Display device
By dividing the first area and the second area on the display panel and adjusting the brightness using the brightness controller, the problem of boundary visual recognition when displaying content in the prior art is solved, and the driver's concentration and safety of vehicle operation are improved.
Patent Information
- Application Number
- CN202410759654.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-12-28
- Filing Date
- 2024-06-13
- Publication Date
- 2025-07-01
AI Technical Summary
When the existing display device displays content in a vehicle, it is difficult to effectively reduce the visual recognition boundary between the first area and the second area, affecting the driver's concentration.
Visual recognition of boundaries is reduced by dividing the first area and the second area on the display panel and adjusting the brightness of each area using a brightness controller to make it substantially equal to the brightness of adjacent areas.
The visual identification boundary between the first area and the second area is effectively reduced, and the driver's concentration and safety of vehicle operation are improved.
Smart Images

Figure CN120236510A_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to a display device, and more particularly, for example but not limited to, a display device capable of controlling a viewing angle. Background Art
[0002] With the technological progress of modern society, display devices are being used in various ways to provide information to users. A display device may be included in an electronic display board that conveys visual information in only one direction, and may also be included in various high-tech electronic devices that recognize user input and provide information in response to the recognized input.
[0003] For example, a display device may be included in a vehicle and provide various information to the driver and fellow passengers in the vehicle. However, the display device in the vehicle needs to appropriately display content so as not to interfere with the operation of the vehicle. For example, the display device needs to restrict the display of content that may reduce the driver's driving concentration while the vehicle is in motion.
[0004] The descriptions provided in this related art section should not be assumed to be prior art merely because they are mentioned in or are related to the descriptions in the related art section. The descriptions in the related art section may include information that describes one or more aspects of the subject technology. Summary of the Invention
[0005] An object to be achieved by this specification is to provide a display device capable of minimizing or reducing the visual recognition of a boundary between a first region and a second region, the first region providing content with a wide viewing angle and the second region providing content with a wide viewing angle or a narrow viewing angle.
[0006] The object of the present disclosure is not limited to the object mentioned above, and those skilled in the art can clearly understand other objects not mentioned above from the following description.
[0007] A display device according to an exemplary embodiment of the present disclosure includes: a display panel divided into a first region including a plurality of first pixels and a second region adjacent to the first region in a direction opposite to a first direction and including a plurality of second pixels; and a brightness controller configured to control the brightness of the first region, wherein each of the plurality of first pixels includes a first light-emitting element disposed in a first optical region, a second light-emitting element disposed in a second optical region, a first optical member disposed in the first optical region and configured to emit light generated by the first light-emitting element at a first viewing angle, and a second optical member disposed in the second optical region and configured to emit light generated by the second light-emitting element at the first viewing angle, wherein each of the plurality of second pixels includes a third light-emitting element disposed in a third optical region, a fourth light-emitting element disposed in a fourth optical region, a third optical member disposed in the third optical region and configured to emit light generated by the third light-emitting element at the first viewing angle, and a fourth optical member disposed in the fourth optical region and configured to emit light generated by the fourth light-emitting element at a second viewing angle smaller than the first viewing angle, and wherein the brightness controller controls the brightness of the second optical region included in each of the plurality of first pixels disposed in the first region.
[0008] Other details of the exemplary embodiments are included in the detailed description and the drawings.
[0009] According to the present specification, the brightness of the display panel may be controlled based on a driving mode so that the brightness of the first region increases as the distance from the boundary between the first region and the second region increases in a first mode of providing content at a wide viewing angle.
[0010] According to the present specification, the brightness of a region adjacent to the boundary between the first region and the second region in the first region may be controlled such that the brightness has a value substantially equal to or similar to the brightness of the second region, thereby solving the problem that the boundary between the first region and the second region is visually recognized.
[0011] The effects according to the present disclosure are not limited to those exemplified above, and more different effects are included in the present specification.
[0012] Additional features and aspects of the present disclosure will be partly set forth in the following description, and partly will become apparent from the description, or may be learned by practice of the inventive concept provided herein. Other features and aspects of the inventive concept will be realized and obtained by the structures pointed out in the written description or structures derivable therefrom, as well as the appended claims and the drawings.
[0013] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the claimed inventive concept. Description of the Drawings
[0014] The accompanying drawings provide a further understanding of the present disclosure and can be incorporated into and constitute a part of the present disclosure, illustrate embodiments of the present disclosure, and are used together with the specification to explain various principles of the present disclosure.
[0015] The above and other aspects, features, and other advantages of the present disclosure will be more clearly understood from the following detailed description in conjunction with the accompanying drawings, wherein:
[0016] Figure 1 is an exemplary diagram showing a display device according to an exemplary embodiment of the present specification;
[0017] Figure 2 is a functional block diagram of a display device according to an exemplary embodiment of the present specification;
[0018] Figure 3 is a circuit diagram exemplifying an example of a pixel circuit of a display device according to an exemplary embodiment of the present specification;
[0019] Figure 4 is a circuit diagram exemplifying an example of a pixel circuit of a display device according to an exemplary embodiment of the present specification;
[0020] Figure 5A and Figure 5B are for explaining Figure 4 an example of a waveform diagram of the pixel circuit in
[0021] Figure 6 and Figure 7 are cross-sectional views of a display device according to an exemplary embodiment of the present specification;
[0022] Figure 8A is a circuit diagram exemplifying an example of a first pixel of a display device according to an exemplary embodiment of the present specification;
[0023] Figure 8B is a top view schematically exemplifying an example of a first pixel of a display device according to an exemplary embodiment of the present specification;
[0024] Figure 9A is a circuit diagram exemplifying an example of a second pixel of a display device according to an exemplary embodiment of the present specification;
[0025] Figure 9B is a top view schematically exemplifying an example of a second pixel of a display device according to an exemplary embodiment of the present specification;
[0026] Figure 10 is a diagram exemplifying an example of a display panel of a display device according to an exemplary embodiment of the present specification;
[0027] Figure 11 is a schematic illustration Figure 10 of an example of a top view of the arrangement of lenses of a first pixel and a second pixel included in a display panel in
[0028] Figure 12 is a diagram for explaining an example of operation of a display device according to an exemplary embodiment of the present specification in a first mode.
[0029] Figure 13 is a diagram for explaining an example of operation of a display device according to an exemplary embodiment of the present specification in a second mode;
[0030] Figure 14 is a diagram for explaining another example of operation of a display device according to an exemplary embodiment of the present specification in a first mode;
[0031] Figure 15 is a diagram for explaining another example of operation of a display device according to an exemplary embodiment of the present specification in a first mode;
[0032] Figure 16 is a diagram for explaining another example of operation of a display device according to an exemplary embodiment of the present specification in a first mode;
[0033] Figure 17 is a diagram for explaining another example of operation of a display device according to an exemplary embodiment of the present specification in a first mode; and
[0034] Figure 18 is a diagram for explaining another example of operation of a display device according to an exemplary embodiment of the present specification in a first mode.
[0035] Throughout the drawings and the detailed description, unless otherwise described, the same reference numerals should be understood to refer to the same elements, features, and structures. The relative dimensions and depictions of these elements may be exaggerated for clarity, illustration, and convenience. Detailed Description
[0036] Now, embodiments of the present disclosure will be described in detail, examples of which can be shown in the drawings. In the following description, when a detailed description of well-known functions or configurations related to this document is determined to unnecessarily obscure the gist of the inventive concept, its detailed description will be omitted or may be briefly provided. The progress of the described processing steps and / or operations is an example; however, the order of the steps and / or operations is not limited to the order set forth herein and may be changed as is known in the art, except for steps and / or operations that must occur in a specific order. Similar reference numerals designate similar elements throughout. The names of the corresponding elements used in the following description may be selected only for the convenience of writing the specification and may therefore be different from the names used in actual products.
[0037] Advantages and features of the present disclosure, and methods for realizing these advantages and features, will become clear by referring to exemplary embodiments described in detail below in conjunction with the accompanying drawings. However, the present disclosure is not limited to the exemplary embodiments disclosed herein, but will be implemented in various forms. The exemplary embodiments are provided only by way of example, so that those skilled in the art can fully understand the disclosure content of the present disclosure and the scope of the present disclosure. Therefore, the present disclosure will be defined only by the scope of the appended claims.
[0038] The shapes, dimensions, areas, ratios, angles, quantities, etc. illustrated in the drawings used to describe the exemplary embodiments of the present disclosure are merely examples, and the present disclosure is not limited thereto. Throughout the specification, like reference numerals generally denote like elements. In addition, in the following description of the present disclosure, detailed explanations of known related technologies may be omitted or briefly provided to avoid unnecessarily obscuring the subject matter of the present disclosure. Terms such as "comprising", "having", "constituting", "made of", "formed by", and "consisting of" used herein are generally intended to allow the addition of other components, unless these terms are used together with the term "only". Any reference to the singular may include the plural unless otherwise explicitly stated.
[0039] Even without an explicit description of an error or tolerance range, components are interpreted as including the usual error range or tolerance range.
[0040] When using terms such as "on", "above", "over", "under", "next to", "beneath", "adjacent to", "close to", "adjacent with", and "next to" to describe the positional relationship between two components, one or more components may be located between these two components, unless the term is used together with the terms "immediately", "closely", or "directly".
[0041] When using time relative terms such as "after", "subsequently", "following", "next", and "before" to define a time relationship, non-consecutive cases may be included unless more restrictive terms such as "exactly", "immediately", or "directly" are used.
[0042] Although terms such as "first", "second", "A", "B", "(a)", "(b)", etc. are used to describe various components, the essence, order, or quantity of these components is not limited by these terms. These terms are only used to distinguish one component from other components. Therefore, the first component to be mentioned below may be the second component in the technical concept of the present disclosure.
[0043] The dimensions and thicknesses of each of the components illustrated in the figures are illustrated for ease of description, and the present disclosure is not limited to the dimensions and thicknesses of the illustrated components.
[0044] Features in various embodiments of the present disclosure may be coupled or combined with each other partially or wholly, and may be interlocked and operated in various ways technically, and the embodiments may be implemented independently or in association with each other.
[0045] Unless otherwise defined, the terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the exemplary embodiments belong. It will also be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and should not be interpreted in an idealized or overly formal sense unless expressly so defined herein. For example, the term "component" or "unit" may be applied, for example, to a separate circuit or structure, an integrated circuit, a computational block of a circuit device, or any structure configured to perform the described function, as would be understood by one of ordinary skill in the art.
[0046] The expressions that an element "is connected", "is coupled" or "is adhered" to another element or layer mean that the element or layer can not only be directly connected or adhered to another element or layer, but also be indirectly connected or adhered to another element or layer, with one or more intermediate elements or layers disposed or interposed between these elements or layers, unless otherwise stated.
[0047] The expression "a first element, a second element, and / or a third element" should be understood to mean one of the first element, the second element, and the third element, or any or all combinations of the first element, the second element, and the third element. By way of example, A, B, and / or C may refer to only A; only B; only C; a combination of any one or some of A, B, and C; or all of A, B, and C.
[0048] The term "at least one" should be understood to include any and all combinations of one or more of the associated listed items. For example, the meaning of "at least one of the first item, the second item, and the third item" encompasses combinations of all three listed items, combinations of any two of the three elements, and each individual element (the first element, the second element, and the third element).
[0049] Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. For ease of description, the scale of each element shown in the drawings is different from the actual scale, and thus is not limited to the scale shown in the drawings.
[0050] Hereinafter, exemplary embodiments of the present disclosure will be described in detail with reference to the accompanying drawings. All components of each display device according to all embodiments of the present disclosure are operatively coupled and configured.
[0051] Figure 1 is an exemplary diagram showing a display device according to an embodiment of the present specification.
[0052] Referring to Figure 1 , the display device 100 can be disposed on at least a part of the instrument panel of a vehicle. The instrument panel of the vehicle can include a configuration disposed on the front side of the front row seats (e.g., driver seat or passenger seat) of the vehicle. For example, the instrument panel of the vehicle can be equipped with input configurations for operating various functions in the vehicle (e.g., air conditioner, audio system, and navigation system).
[0053] The display device 100 can be disposed on the instrument panel of the vehicle and serve as an input component for operating at least some of the various functions of the vehicle. The display device 100 can provide various types of information related to the vehicle, such as driving information of the vehicle (e.g., current speed, remaining fuel amount, and driving distance of the vehicle), information about components of the vehicle (e.g., degree of damage to vehicle tires), etc.
[0054] The display device 100 can be disposed to span the driver seat and the passenger seat that are set as the front row seats of the vehicle. The users of the display device 100 can include the driver of the vehicle and a companion passenger sitting on the passenger seat. Both the driver and the companion passenger in the vehicle can use the display device 100.
[0055] Figure 1 Only a part of the display device 100 may be shown in Figure 1 The shown display device 100 can be exemplified as a display panel among the various components included in the display device 100. Specifically, for example, Figure 1 The shown display device 100 can be exemplified as at least a part of the display area and at least a part of the non-display area of the display panel. Components other than the Figure 1 shown components among the components of the display device 100 can be installed in the vehicle (or at least a part of the vehicle).
[0056] Figure 2 is a functional block diagram of a display device according to an embodiment of the present specification.
[0057] An electroluminescent display device can be applied as the display device according to an embodiment of the present specification. An organic light emitting diode display device, a quantum dot light emitting diode display device, or an inorganic light emitting diode display device can be used as the electroluminescent display device. However, the present disclosure is not limited thereto, and various other types of display devices can also be used as the display device according to an embodiment of the present specification.
[0058] Referring to Figure 2, the display device 100 may include a display panel PN, a data driving circuit DD, a gate driving circuit GD, a timing controller TD, and a luminance controller LD. The display device 100 may further include a mode controller MS and a mode selection unit MD.
[0059] The display panel PN may create an image to be provided to a user. For example, the display panel PN may create and display an image to be provided to the user through a plurality of pixels PX in which pixel circuits are provided.
[0060] The plurality of pixels PX may include first pixels and second pixels provided for each region of the display panel PN. The first pixels and the second pixels and the arrangement relationship between the first pixels and the second pixels will be described in detail with reference to Figures 8A to 11 and the arrangement relationship between the first pixels and the second pixels will be described in detail.
[0061] The data driving circuit DD, the gate driving circuit GD, and the timing controller TD may provide signals for operating the pixels PX through signal lines. For example, the signal lines for providing signals for operating the pixels PX may include a plurality of data lines DL and a plurality of gate lines GL.
[0062] The mode selection unit MD may provide a signal for controlling the driving mode of the pixels PX through signal lines. For example, the signal lines for providing a signal for controlling the driving mode of the pixels PX may include a plurality of selection signal lines SSL.
[0063] The plurality of data lines DL may include a plurality of lines arranged in a column direction and connected to the pixels PX arranged in a column direction. The plurality of gate lines GL may include a plurality of lines arranged in a row direction and connected to the pixels PX arranged in a row direction.
[0064] In addition, the plurality of selection signal lines SSL may include a plurality of lines arranged in a row direction and connected to the pixels PX arranged in a row direction.
[0065] The plurality of selection signal lines SSL may include a first selection signal line to a fourth selection signal line. In this case, the first selection signal line and the second selection signal line may be selection signal lines commonly connected to the first pixels included in the plurality of pixels PX, and the third selection signal line and the fourth selection signal line may be selection signal lines commonly connected to the second pixels PX included in the plurality of pixels PX. The connection relationship between the first selection signal line to the fourth selection signal line will be described in detail below with reference to Figure 8A and Figure 9A and the connection relationship between the first selection signal line to the fourth selection signal line will be described in detail.
[0066] In some cases, the display device 100 may further include a power supply unit. In this case, the signals for operating the pixels PX may be provided through power lines connecting the power supply unit and the display panel PN. According to an embodiment, the power supply unit may supply power to the data driving circuit DD and the gate driving circuit GD. The data driving circuit DD and the gate driving circuit GD may operate based on the power supplied from the power supply unit.
[0067] For example, the data driving circuit DD may apply data signals to the pixels PX through a plurality of data lines DL, the gate driving circuit GD may apply gate signals to the pixels PX through a plurality of gate lines GL, and the power supply unit may supply a power supply voltage to the pixels PX through a power supply voltage supply line.
[0068] The luminance controller LD may receive digital-type input image data IDATA and a mode signal MODE input from the outside. In this case, the mode signal MODE may be a signal input in response to the driving mode of the display device 100.
[0069] The luminance controller LD may create corrected image data CDATA for controlling the luminance of the display panel PN based on the mode signal MODE according to the driving mode of the display device 100.
[0070] For example, in a first mode in which the entire area of the display panel PN of the display device 100 is controlled in a wide viewing angle mode (e.g., a sharing mode), the luminance controller LD may create corrected image data CDATA for controlling the luminance of the first area.
[0071] The luminance controller LD may create corrected image data CDATA by scaling the gray values included in the input image data IDATA using a scaling factor. For example, the luminance controller LD may create corrected image data CDATA by scaling the gray values corresponding to at least a part of the display panel PN (e.g., the first area). However, this configuration is provided only for illustrative purposes. The method of creating the corrected image data CDATA by the luminance controller LD is not limited thereto.
[0072] As another example, in a second mode in which at least a part of the display panel PN (e.g., the first area) of the display device 100 is controlled in a wide viewing angle mode (e.g., a sharing mode) and another part of the display panel PN (e.g., the second area) is controlled in a narrow viewing angle mode (e.g., a privacy mode), the luminance controller LD may create corrected image data CDATA for controlling the luminance of the entire area of the display panel PN such that the luminance corresponds to the input image data IDATA.
[0073] In the second mode, the brightness of the entire area of the display panel PN needs to correspond to the input image data IDATA. Therefore, the corrected image data CDATA can be substantially the same as the input image data IDATA. For example, in the second mode, the brightness controller LD can output the input image data IDATA as the corrected image data CDATA in a complete manner without correcting the input image data IDATA.
[0074] The timing controller TD can control the data driving circuit DD and the gate driving circuit GD. For example, the timing controller TD can create the image data RGB by rearranging the corrected image data CDATA provided from the brightness controller LD according to the resolution of the display panel PN and provide the image data RGB to the data driving circuit DD.
[0075] In this case, as described above, when the display device 100 operates in the first mode, the brightness of the image displayed on at least a part of the area (e.g., the first area) of the display panel PN can be controlled based on the corrected image data CDATA created by the brightness controller LD by scaling the gray value of the input image data IDATA. Reference will be made to Figures 12 to 18 for a detailed description of the configuration for controlling the brightness of the display panel PN based on the corrected image data CDATA.
[0076] In addition, for ease of description, in Figure 2 a configuration is described in which the brightness controller LD and the timing controller TD are separate components. However, the present disclosure is not limited thereto. For example, part or all of the brightness controller LD can be integrated with the timing controller TD.
[0077] The data driving circuit DD can convert the image data RGB input from the timing controller TD into an analog data signal (data voltage) based on a data control signal and provide the data signal to a plurality of data lines DL.
[0078] The gate driving circuit GD can generate a scan signal and a light emission signal (or a light emission control signal) based on a gate control signal. For example, the gate driving circuit GD can include a scan driving unit and a light emission signal driving unit. The scan driving unit can generate a scan signal in a row-by-row manner to operate at least one scan line connected to each pixel row and provide the scan signal to the scan line. The light emission signal driving unit can generate a light emission signal in a row-by-row manner to operate at least one light emission signal line connected to each pixel row and provide the light emission signal to the light emission signal line.
[0079] According to an embodiment, the gate driving circuit GD may be disposed on the display panel PN in the form of a gate driver in panel (GIP). For example, the gate driving circuit GD may be divided into a plurality of gate driving circuits and respectively disposed on at least two sides of the display panel PN.
[0080] The mode controller MS may control the mode selection unit MD. For example, the mode controller MS may generate a mode selection signal MSS for controlling the mode selection unit MD based on a mode signal MODE input in response to the driving mode of the display device 100, and provide the mode selection signal MSS to the mode selection unit MD. The mode selection unit MD may provide selection signals to a plurality of selection signal lines SSL in response to the mode selection signal MSS.
[0081] The display panel PN may include a display area and a non-display area adjacent to (e.g., surrounding) the display area.
[0082] The display area of the display panel PN may include a plurality of pixels PX arranged in a row direction and a column direction. For example, the plurality of pixels PX may be arranged in an area where a plurality of data lines DL intersect with a plurality of gate lines GL.
[0083] One pixel PX may include a plurality of sub-pixels that emit light beams of different colors. For example, one pixel PX may implement blue, red, and green by using three sub-pixels. However, this specification is not limited thereto. In some cases, the pixel PX may further include sub-pixels for implementing a specific color (e.g., white).
[0084] In the pixel PX, the area for implementing blue may be referred to as a blue sub-pixel, the area for implementing red may be referred to as a red sub-pixel, and the area for implementing green may be referred to as a green sub-pixel.
[0085] The plurality of pixels PX may each include a first type of light-emitting element and a second type of light-emitting element that emit light of the same color.
[0086] The plurality of pixels PX may include at least one of a first type of lens and a second type of lens that refract light beams emitted from the first type of light-emitting element and the second type of light-emitting element in a specific direction. In addition, the term "lens" used in this specification is used for convenience of description. The term "optical member" or "optical element" may be defined to replace the lens.
[0087] For example, a first type of lens may be disposed in a lens region that defines a first viewing angle by providing light within a first range, and a second type of lens may be disposed in a lens region that defines a second viewing angle by providing light within a second range. The first range may correspond to a range greater than the second range. Accordingly, the first type of lens and the second type of lens may restrict the viewing angle of each of the plurality of pixels PX.
[0088] The following will refer to Figure 6 and Figure 7 for a detailed description of the first type of lens and the second type of lens.
[0089] The non-display region may be provided along the periphery of the display region. Various constituent elements for operating the pixel circuits provided in the pixels PX may be provided in the non-display region. For example, at least a part of the gate driving circuit GD may be provided in the non-display region. The non-display region may be referred to as a border region.
[0090] The display panel PN may be divided into a plurality of regions. In other words, the display panel PN may include a plurality of regions. For example, the display panel PN may include a first region and a second region, in which a plurality of first pixels among the plurality of pixels PX are provided in the first region, and a plurality of second pixels among the plurality of pixels PX are provided in the second region. The plurality of first pixels provided in the first region and the plurality of second pixels provided in the second region may include the same pixel circuit.
[0091] For example, the plurality of first pixels provided in the first region of the display panel PN and the plurality of second pixels provided in the second region may each include a driving circuit, a selection circuit, and a first type of light-emitting element and a second type of light-emitting element configured to emit light beams having the same color.
[0092] In this case, the driving circuit may be a circuit configured to provide a driving current to the first type of light-emitting element and the second type of light-emitting element based on signals provided from the data driving circuit DD and the gate driving circuit GD.
[0093] In addition, the selection circuit may be a circuit configured to perform control to generate at least any one of a first driving current passing through the first type of light-emitting element and a second driving current passing through the second type of light-emitting element based on a selection signal provided from the mode selection unit MD. In other words, under the control of the selection circuit, a current path for the first driving current may be formed to allow the first type of light-emitting element to emit light, or a current path for the second driving current may be formed to cause the second type of light-emitting element to emit light. However, the present disclosure is not limited thereto. The selection circuit may be defined as being included in the driving circuit.
[0094] In addition, hereinafter, for ease of description, a case where a current path for forming a first driving current is formed and a light-emitting element of a first type emits light is defined as a case where the pixel PX operates in a first state. A case where a current path for forming a second driving current is formed and a light-emitting element of a second type emits light is defined as a case where the pixel PX operates in a second state.
[0095] The selection circuit may perform control based on a selection signal provided from the mode selection unit MD to form both a first driving current passing through the light-emitting element of the first type and a second driving current passing through the light-emitting element of the second type. In other words, under the control of the selection circuit, a current path for the first driving current and a current path for the second driving current may be formed such that both the light-emitting element of the first type and the light-emitting element of the second type can emit light.
[0096] In addition, hereinafter, for ease of description, a case where a current path for the first driving current and a current path for the second driving current are formed and both the light-emitting element of the first type and the light-emitting element of the second type emit light is defined as a case where the pixel PX operates in a third state.
[0097] The plurality of first pixels provided in the first region of the display panel PN may each include two first type lenses, for example, a first lens and a second lens configured to refract light beams emitted from the light-emitting element of the first type and the light-emitting element of the second type in a specific direction. For example, light generated from the light-emitting element of the first type included in each of the plurality of first pixels provided in the first region of the display panel PN may be refracted in a specific direction by the first lens, which is a first type lens. Light generated from the light-emitting element of the second type may be refracted in a specific direction by the second lens, which is a first type lens.
[0098] The plurality of second pixels provided in the second region of the display panel PN may each include a first type lens (for example, a third lens configured to refract light emitted from the light-emitting element of the first type in a specific direction) and a second type lens (for example, a fourth lens configured to refract light emitted from the light-emitting element of the second type in a specific direction). For example, light generated from the light-emitting element of the first type included in each of the plurality of second pixels provided in the second region of the display panel PN may be refracted in a specific direction by the third lens, which is a first type lens. Light generated from the light-emitting element of the second type included in each of the plurality of second pixels provided in the second region of the display panel PN may be refracted in a specific direction by the fourth lens, which is a second type lens.
[0099] Hereinafter, reference will be made to Figures 8A to 11 The plurality of regions (for example, the first region and the second region) included in the display panel PN and the first pixels and the second pixels provided in the first region and the second region will be described in detail.
[0100] According to an embodiment, a corresponding area of the display panel PN may be set to span across the reference Figure 1 The driver's seat and the passenger seat, which are set as the front seats in the described vehicle, and provide various information to the driver and the co-passenger in the vehicle. For example, the first area of the display panel PN may be an area set on the driver's seat side in the front seats of the vehicle, and provide information such as driving speed, RPM, engine temperature, fuel quantity, etc. The second area of the display panel PN may be an area set on the passenger seat side in the front seats of the vehicle and provide entertainment functions, seat information, etc. for the co-passenger sitting in the passenger seat. In addition, the first area of the display panel PN may also include a center instrument panel area provided between the driver's seat and the passenger seat. However, the division of the areas is provided for ease of description, but the present disclosure is not limited thereto. The first area and the second area of the display panel PN may be differently defined according to the design.
[0101] In addition, when the display panel PN is used for the reference Figure 1 The vehicle described needs to limit the field of view of at least some of the multiple areas included in the display panel PN in response to the user's demand. For example, the image displayed in the second area that provides entertainment functions, seat information, etc. for the co-passenger sitting in the passenger seat may interfere with the driver driving the vehicle. Therefore, sometimes it may be necessary to limit the field of view of the image displayed in the second area in response to the user's demand.
[0102] More specifically, with reference to Figure 2 The display device 100 may control the field of view of at least some of the multiple areas included in the display panel PN by using the mode controller MS and the mode selection unit MD.
[0103] The mode controller MS may generate a mode selection signal MSS for controlling the display panel PN to be in the first mode or the second mode based on the mode signal MODE according to the driving mode of the display device 100, and provide the mode selection signal MSS to the mode selection unit MD. In this case, the first mode may correspond to a mode in which all of the multiple areas (e.g., both the first area and the second area) of the display panel PN are controlled in a wide field of view mode (shared mode). The second mode may correspond to a mode in which at least some of the multiple areas (e.g., at least one of the first area and the second area, e.g., the second area) of the display panel PN operate in a narrow field of view mode (privacy mode).
[0104] For example, when the display device 100 operates in the first mode and the second mode, the first region of the display panel PN can operate in the third state under the control of the mode controller MS. In this case, both the first type of light-emitting element and the second type of light-emitting element included in each of the plurality of first pixels provided in the first region of the display panel PN can emit light. Therefore, the light generated from the first type of light-emitting element included in each of the plurality of first pixels can be emitted at a first viewing angle through the first lens, and the light generated from the second type of light-emitting element included in each of the plurality of first pixels can be emitted at the first viewing angle through the second lens. Therefore, when the display device 100 operates in the first mode and the second mode, content can be provided in a wide viewing angle mode from the plurality of first pixels provided in the first region of the display panel PN.
[0105] In addition, when the display device 100 operates in the first mode, the second region of the display panel PN can operate in the first state under the control of the mode controller MS. In this case, the first type of light-emitting element included in each of the plurality of second pixels provided in the second region of the display panel PN can emit light, and the second type of light-emitting element may not emit light. Therefore, the light generated from the first type of light-emitting element included in each of the plurality of second pixels can be emitted at the first viewing angle through the third lens. Therefore, when the display device 100 operates in the first mode, content can be provided in a wide viewing angle mode from the plurality of second pixels provided in the second region of the display panel PN.
[0106] In addition, when the display device 100 operates in the second mode, the second region of the display panel PN can operate in the second state under the control of the mode controller MS. In this case, the second type of light-emitting element included in each of the plurality of second pixels provided in the second region of the display panel PN can emit light, and the first type of light-emitting element may not emit light. Therefore, the light emitted from the second type of light-emitting element included in each of the plurality of second pixels can be emitted at a second viewing angle through the fourth lens. Therefore, when the display device 100 operates in the second mode, content can be provided in a narrow viewing angle mode from the plurality of second pixels provided in the second region of the display panel PN.
[0107] The following will refer to Figure 12 and Figure 13 describe in detail the configuration in which the mode controller MS controls the display panel PN in the first mode or the second mode according to the driving mode of the display device 100.
[0108] Figure 3 is a circuit diagram illustrating an example of a pixel circuit of a display device according to an embodiment of the present specification.
[0109] In addition,Figure 3 An example of a pixel circuit SPC corresponding to each of a plurality of pixels PX of the display device 100 is illustrated.
[0110] Referring Figure 3 , the pixel circuit SPC may include a driving circuit DC, a selection circuit SC, and various types of light-emitting elements EDa and EDb.
[0111] The driving circuit DC may include a driving transistor DT, a switching transistor ST, and a first capacitor C1.
[0112] The driving transistor DT and the first capacitor C1 may be connected to the switching transistor ST. A first electrode of the driving transistor DT may be connected to a first power supply line configured to provide a first power supply voltage VDD (e.g., a high-potential power supply voltage).
[0113] The switching transistor ST may be connected to a gate line GL and supplied with a gate signal. The switching transistor ST may be turned on or off by the gate signal. A first electrode of the switching transistor ST may be connected to a data line DL. In this case, based on the switching transistor ST being turned on, a data signal may be provided to the gate electrode of the driving transistor DT through the switching transistor ST.
[0114] The first capacitor C1 may be provided between the gate electrode and the second electrode of the driving transistor DT. The first capacitor C1 may hold a signal applied to the gate electrode of the driving transistor DT, e.g., hold a data signal within one frame.
[0115] The selection circuit SC may include: a first selection transistor TP1 configured to create a current path for a first driving current passing through the first type of light-emitting element EDa; and a second selection transistor TP2 configured to create a current path for a second driving current passing through the second type of light-emitting element EDb.
[0116] The first selection transistor TP1 may be provided between the driving circuit DC and the first type of light-emitting element EDa, and a gate electrode of the first selection transistor TP1 may be connected to a first type of selection signal line configured to provide a first selection signal Ss. In the case where the first selection signal Ss is provided to the gate electrode of the first selection transistor TP1 when the pixel circuit SPC operates in the first state or the third state, the first selection transistor TP1 may be turned on, such that a current path for the first driving current passing through the first type of light-emitting element EDa may be formed. In this case, the first type of light-emitting element EDa may emit light.
[0117] The second selection transistor TP2 can be provided between the driving circuit DC and the second type of light-emitting element EDb, and the gate electrode of the second selection transistor TP2 can be connected to a second type of selection signal line configured to provide a second selection signal Ps. In the case where the second selection signal Ps is provided to the gate electrode of the second selection transistor TP2 when the pixel circuit SPC operates in the second state or the third state, the second selection transistor TP2 can be turned on, so that a current path for a second driving current passing through the second type of light-emitting element EDb can be formed. In this case, the second type of light-emitting element EDb can emit light.
[0118] The first type of light-emitting element EDa can be connected between a first selection transistor TP1 that is turned on or off by a first selection signal Ss and a second power supply line configured to provide a second power supply voltage VSS (for example, a low-potential power supply voltage). The second type of light-emitting element EDb can be connected between a second selection transistor TP2 that is turned on or off by a second selection signal Ps and a second power supply line configured to provide a second power supply voltage VSS (for example, a low-potential power supply voltage).
[0119] In this case, the first type of light-emitting element EDa or the second type of light-emitting element EDb can be connected to other components of the pixel circuit SPC, such as a driving transistor DT of the driving circuit DC, according to the driving mode MODE. In this case, the driving mode can be determined under conditions specified by a user's input or specified in advance.
[0120] For example, the driving mode can include a first mode and a second mode. In the first mode, all multiple regions of the display panel PN described in Figure 2 are controlled in a wide viewing angle mode (shared mode), and in the second mode, at least some regions (for example, the second region) of the multiple regions of the display panel PN operate in a narrow viewing angle mode (privacy mode).
[0121] The first type of light-emitting element EDa and the second type of light-emitting element EDb included in one pixel circuit SPC can emit light of the same color.
[0122] Figure 3 The multiple transistors DT, ST, TP1, and TP2 in
[0123] Figure 4It is a circuit diagram showing an example of a pixel circuit of a display device according to an embodiment of the present specification.
[0124] In addition, Figure 4 an example pixel circuit SPC_1 that can be exemplified as Figure 3 the pixel circuit SPC shown.
[0125] Referring to Figure 4 , at least some of the multiple transistors included in the pixel circuit SPC_1 can each be an n-type transistor or a p-type transistor. In the case of a p-type transistor, the low-level voltage of each drive signal can represent the voltage that turns on the TFT, and the high-level voltage of each drive signal can represent the voltage that turns off the TFT.
[0126] In this case, the low-level voltage can correspond to a pre-specified voltage lower than the high-level voltage. For example, the low-level voltage can include a voltage corresponding to the range of -8V to -12V. The high-level voltage can correspond to a pre-specified voltage higher than the low-level voltage. For example, the high-level voltage can include a voltage corresponding to the range of 12V to 16V. According to an embodiment, the low-level voltage can be referred to as the first voltage, and the high-level voltage can be referred to as the second voltage. In this case, the first voltage can have a value lower than the second voltage.
[0127] The first electrode or the second electrode of the transistor to be described below can represent the source electrode or the drain electrode. However, the terms "first electrode" and "second electrode" are only terms used to distinguish these electrodes. The content corresponding to the electrodes is not limited. In addition, for each transistor, the first electrode may not refer to the same electrode.
[0128] The pixel circuit SPC_1 can include a drive circuit DC_1, a selection circuit SC_1, and multiple light-emitting elements EDa and EDb.
[0129] The drive circuit DC_1 can include a drive transistor DT, multiple switching transistors ST1 to ST5, and a second capacitor C2.
[0130] The drive transistor DT can control the drive current to be applied to the multiple light-emitting elements EDa and EDb according to the source-gate voltage. The drive transistor DT can include a source electrode connected to a first power line configured to provide a first power supply voltage VDD (for example, a high-potential power supply voltage), a gate electrode connected to a second node N2, and a drain electrode connected to a third node N3.
[0131] The first switching transistor ST1 can apply a data signal from the data line DL to the first node N1. The first switching transistor ST1 can include a source electrode connected to the data line DL, a drain electrode connected to the first node N1, and a gate electrode connected to the first scan signal line SL1 configured to apply the first scan signal SCAN1. The first switching transistor ST1 can be turned on or off by the first scan signal SCAN1. Thus, the first switching transistor ST1 can apply the data signal from the data line DL to the first node N1 in response to the first scan signal SCAN1 being at a low level (e.g., a conductive level).
[0132] The second switching transistor ST2 can diode - connect the gate electrode and the drain electrode of the driving transistor DT. The second switching transistor ST2 can include a drain electrode connected to the second node N2, a source electrode connected to the third node N3, and a gate electrode connected to the second scan signal line SL2 configured to apply the second scan signal SCAN2. The second switching transistor ST2 can be turned on or off by the second scan signal SCAN2. Thus, the second switching transistor ST2 can diode - connect the gate electrode and the drain electrode of the driving transistor DT in response to the second scan signal SCAN2 being at a low level (e.g., a conductive level).
[0133] The third switching transistor ST3 can apply a reference voltage Vref to the first node N1. The third switching transistor ST3 can include a source electrode connected to the reference voltage line configured to provide the reference voltage Vref, a drain electrode connected to the first node N1, and a gate electrode connected to the emission signal line EL configured to apply the emission signal EM. The third switching transistor ST3 can be turned on or off by the emission signal EM. Thus, the third switching transistor ST3 can send the reference voltage Vref to the first node N1 in response to the emission signal EM being at a low level (e.g., a conductive level).
[0134] The fourth switching transistor ST4 can apply the reference voltage Vref to the anode of the first - type light - emitting element EDa. The fourth switching transistor ST4 can include a source electrode connected to the reference voltage line configured to provide the reference voltage Vref, a drain electrode connected to the anode of the first - type light - emitting element EDa, and a gate electrode connected to the second scan signal line SL2 configured to apply the second scan signal SCAN2. The fourth switching transistor ST4 can be turned on or off by the second scan signal SCAN2. Thus, the fourth switching transistor ST4 can apply the reference voltage Vref to the anode of the first - type light - emitting element EDa in response to the second scan signal SCAN2 being at a low level (e.g., a conductive level).
[0135] The fifth switching transistor ST5 can apply a reference voltage Vref to the anode of the second type of light-emitting element EDb. The fifth switching transistor ST5 can include a source electrode connected to a reference voltage line configured to provide the reference voltage Vref, a drain electrode connected to the anode of the second type of light-emitting element EDb, and a gate electrode connected to a second scan signal line SL2 configured to apply a second scan signal SCAN2. The fifth switching transistor ST5 can be turned on or off by the second scan signal SCAN2. Therefore, the fifth switching transistor ST5 can apply the reference voltage Vref to the anode of the second type of light-emitting element EDb in response to the second scan signal SCAN2 being at a low level (e.g., a conductive level).
[0136] The second capacitor C2 can include a first electrode connected to the first node N1 and a second electrode connected to the second node N2. For example, one electrode of the second capacitor C2 can be connected to the gate electrode of the driving transistor DT, and the other electrode of the second capacitor C2 can be connected to the first switching transistor ST1. The second capacitor C2 can store a predetermined voltage and maintain the predetermined voltage of the gate electrode of the driving transistor DT when at least any one of the plurality of light-emitting elements EDa and EDb emits light.
[0137] The selection circuit SC_1 can include: a first selection transistor TP1 configured to create a current path for a first driving current through the first type of light-emitting element EDa; and a second selection transistor TP2 configured to create a current path for a second driving current through the second type of light-emitting element EDb.
[0138] The first selection transistor TP1 can be disposed between the driving circuit DC_1 and the first type of light-emitting element EDa, and the gate electrode of the first selection transistor TP1 can be connected to a first type selection signal line configured to provide a first selection signal Ss. In the case where the first selection signal Ss is provided to the gate electrode of the first selection transistor TP1 when the pixel circuit SPC_1 operates in the first state or the third state, the first selection transistor TP1 can be turned on, such that a current path for the first driving current through the first type of light-emitting element EDa can be formed. In this case, the first type of light-emitting element EDa can emit light.
[0139] The second selection transistor TP2 may be provided between the driving circuit DC_1 and the second type light emitting element EDb, and a gate electrode of the second selection transistor TP2 may be connected to a second type selection signal line configured to provide a second selection signal Ps. In a case where the second selection signal Ps is provided to the gate electrode of the second selection transistor TP2 when the pixel circuit SPC_1 operates in the second state or the third state, the second selection transistor TP2 may be turned on, so that a current path of a second driving current passing through the second type light emitting element EDb may be formed. In this case, the second type light emitting element EDb may emit light.
[0140] The first type light emitting element EDa may be connected between a first selection transistor TP1 turned on or off by a first selection signal Ss and a second power supply line configured to provide a second power supply voltage VSS (e.g., a low potential power supply voltage). The second type light emitting element EDb may be connected between a second selection transistor TP2 turned on or off by a second selection signal Ps and the second power supply line configured to provide the second power supply voltage VSS (e.g., the low potential power supply voltage).
[0141] In this case, the first type light emitting element EDa or the second type light emitting element EDb may be connected to other components of the pixel circuit SPC_1, e.g., a driving transistor DT of the driving circuit DC_1, according to a driving mode MODE. In this case, the driving mode may be determined under conditions specified by a user's input or specified in advance.
[0142] The first type light emitting element EDa and the second type light emitting element EDb included in one pixel circuit SPC_1 may emit light of the same color.
[0143] Figure 5A and Figure 5B are waveform diagrams for explaining Figure 4 the pixel circuit in
[0144] In addition, Figure 5A is a waveform diagram for explaining an example of operation of the pixel circuit SPC_1 in the first state, and Figure 5B is a waveform diagram for explaining an example of operation of the pixel circuit SPC_1 in the second state.
[0145] Referring to Figures 4 to 5B when the pixel circuit SPC_1 operates in the first state, only the first type light emitting element EDa emits light, and when the pixel circuit SPC_1 operates in the second state, only the second type light emitting element EDb may emit light. In this case, as Figure 5AAs shown, in the first state, the second selection signal Ps for controlling the light emission from the second type of light-emitting element EDb (e.g., the second selection signal Ps for forming the current path of the second drive current) can be output only at a high level (e.g., the cut-off level), so that only the first type of light-emitting element EDa emits light. In addition, as Figure 5B shown, in the second state, the first selection signal Ss for controlling the light emission from the first type of light-emitting element EDa (e.g., the first selection signal Ss for forming the current path of the first drive current) can be output only at a high level (e.g., the cut-off level), so that only the second type of light-emitting element EDb emits light.
[0146] Specifically, first, the operation of the pixel circuit SPC_1 in the first state will be described with reference to Figure 4 and Figure 5A During the initialization period, the second scan signal SCAN2 at a low level, the first selection signal Ss at a low level, and the light emission signal EM at a low level are output. The second switching transistor ST2, the fourth switching transistor ST4, and the fifth switching transistor ST5 can be turned on by the second scan signal SCAN2 at a low level, the first selection transistor TP1 can be turned on by the first selection signal Ss at a low level, and the third switching transistor ST3 can be turned on by the light emission signal EM at a low level.
[0147] The first node N1 can be initialized to the reference voltage Vref through the turned-on third switching transistor ST3, the voltage of the anode of the first type of light-emitting element EDa can be initialized to the reference voltage Vref through the turned-on fourth switching transistor ST4, and the voltage of the anode of the second type of light-emitting element EDb can be initialized to the reference voltage Vref through the turned-on fifth switching transistor ST5. In addition, the driving transistor DT is diode-connected through the turned-on second switching transistor ST2, and the gate electrode and the drain electrode of the driving transistor DT are short-circuited, so that the driving transistor DT can operate as a diode. In addition, the reference voltage Vref sent to the anode of the first type of light-emitting element EDa through the turned-on fourth switching transistor ST4 can be sent to the third node N3 and the second node N2 through the turned-on first selection transistor TP1, so that the third node N3 and the second node N2 can be initialized to the reference voltage Vref.
[0148] Next, during the sampling period, a first scan signal SCAN1 at a low level and a second scan signal SCAN2 at a low level can be output, and a first selection signal Ss at a high level can be output. When a light-emitting signal EM at a high level is output, while the third switching transistor ST3 is turned off, the first switching transistor ST1 is turned on by the first scan signal SCAN1 at a low level, so that a data signal can be sent to the first node N1. In addition, the driving transistor DT is diode-connected through the turned-on second switching transistor ST2, and the voltage difference between the first power supply voltage VDD and the threshold voltage can be sampled and supplied to the second node N2.
[0149] In addition, during the holding period, the first scan signal SCAN1 and the second scan signal SCAN2 can be output at a high level, and all the first switching transistor ST1, the second switching transistor ST2, the fourth switching transistor ST4, and the fifth switching transistor ST5 can be turned off. However, even though the first switching transistor ST1 is turned off, the data signal (data voltage) input during the previous period (e.g., the sampling period) can be held by the second capacitor C2.
[0150] Finally, during the light-emitting period, a first selection signal Ss at a low level and a light-emitting signal EM at a low level can be output, and a second selection signal Ps at a high level can be output. The reference voltage Vref is applied to the first node N1 through the third switching transistor ST3 turned on by the light-emitting signal EM at a low level. The voltage of the first node N1 can be the voltage difference between the reference voltage Vref and the data signal (data voltage), and this voltage change can also be applied to the second node N2. The gate-source voltage of the driving transistor DT can be set to a value (Vdata - Vref + Vth) obtained by subtracting the reference voltage Vref from the data signal (data voltage) and adding the threshold voltage Vth, thereby controlling the first driving current.
[0151] In addition, the first driving current is supplied from the driving transistor DT to the first-type light-emitting element EDa through the turned-on first selection transistor TP1, so that the first-type light-emitting element EDa can emit light. However, the second selection signal Ps is output at a high level, and the second selection transistor TP2 is turned off, so that the second driving current is not sent from the driving transistor DT to the second-type light-emitting element EDb. Therefore, when the pixel circuit SPC_1 operates in the first state, the first driving current can be applied only to the first-type light-emitting element EDa, and only the first-type light-emitting element EDa can emit light.
[0152] Next, reference will be made to Figure 4 and Figure 5BDescribe the operation of the pixel circuit SPC_1 in the second state. The pixel circuit SPC_1 can operate in the second state in substantially the same manner as the pixel circuit SPC_1 operates in the first state, except that the first selection signal Ss and the second selection signal Ps are output in a manner opposite to that in the first state. For example, during the light-emitting period when the second type of light-emitting element EDb emits light, the first selection signal Ss can be output only at a high level (e.g., the cut-off level), and the second selection signal Ps can be output at a low level (e.g., the conductive level).
[0153] Specifically, during the initialization period, the first scan signal SCAN1 can be output at a high level, and the second scan signal SCAN2 can be output at a low level. Additionally, the first selection signal Ss can be output at a high level, and the second selection signal Ps and the light-emitting signal EM can be output at a low level. Thus, the second switch transistor ST2, the fourth switch transistor ST4, and the fifth switch transistor ST5 can be turned on by the second scan signal SCAN2, the second selection transistor TP2 can be turned on by the second selection signal Ps, and the third switch transistor ST3 can be turned on by the light-emitting signal EM.
[0154] The first node N1 can be initialized to the reference voltage Vref through the third switch transistor ST3 turned on by the light-emitting signal EM, and the anodes of the first type of light-emitting element EDa and the second type of light-emitting element EDb can be initialized to the reference voltage Vref through the fourth switch transistor ST4 and the fifth switch transistor ST5 turned on by the second scan signal SCAN2. Additionally, the driving transistor DT can be connected as a diode through the turned-on second switch transistor ST2 and operate as a diode. Finally, the reference voltage Vref sent to the anode of the second type of light-emitting element EDb through the turned-on fifth switch transistor ST5 can be sent to the third node N3 and the second node N2 through the turned-on second selection transistor TP2, such that the third node N3 and the second node N2 can be initialized to the reference voltage Vref.
[0155] Next, during the sampling period, the first scan signal SCAN1 at a low level and the second scan signal SCAN2 at a low level can be output, and the second selection signal Ps and the light-emitting signal EM from a low level to a high level can be output. When the light-emitting signal EM at a high level is output, the third switch transistor ST3 can be turned off, and the first switch transistor ST1 is turned on by the first scan signal SCAN1 at a low level, such that the data signal can be sent to the first node N1. Additionally, the driving transistor DT is diode-connected through the turned-on second switch transistor ST2, and the voltage difference between the first power supply voltage VDD and the threshold voltage can be sampled and provided to the second node N2.
[0156] Finally, during the light-emitting period, a second selection signal Ps at a low level and a light-emitting signal EM at a low level can be output, and a first selection signal Ss at a high level can be output. The reference voltage Vref can be applied to the first node N1 through a third switching transistor ST3 turned on by the light-emitting signal EM at a low level. The voltage of the first node N1 can be the voltage difference between the reference voltage Vref and the data signal (data voltage), and this voltage change can also be applied to the second node N2. The gate-source voltage of the driving transistor DT can be set to a value (Vdata - Vref + Vth) obtained by subtracting the reference voltage Vref from the data signal (data voltage) and adding the threshold voltage Vth, thereby controlling the second driving current.
[0157] In addition, the second driving current is supplied from the driving transistor DT to the second-type light-emitting element EDb through the turned-on second selection transistor TP2, so that the second-type light-emitting element EDb can emit light. However, the first selection signal Ss is output at a high level, and the first selection transistor TP1 is turned off, so that the first driving current is not sent from the driving transistor DT to the first-type light-emitting element EDa. Therefore, when the pixel circuit SPC_1 operates in the second state, the second driving current can be applied only to the second-type light-emitting element EDb, and only the second-type light-emitting element EDb can emit light.
[0158] In addition, although Figure 5A and Figure 5B are not shown, in the case where the pixel circuit SPC_1 operates in the third state, both the first-type light-emitting element EDa and the second-type light-emitting element EDb emit light. Therefore, the waveform of the first selection signal Ss in the third state and the operation of the pixel circuit SPC_1 that generates the first driving current according to the waveform of the first selection signal Ss are substantially the same or similar to the waveform of the first selection signal Ss in the first state described with reference to Figure 5A and the operation of the pixel circuit SPC_1 that generates the first driving current according to the waveform of the first selection signal Ss. In addition, the waveform of the second selection signal Ps in the third state and the operation of the pixel circuit SPC_1 that generates the second driving current according to the waveform of the second selection signal Ps are substantially the same or similar to the waveform of the second selection signal Ps in the second state described with reference to Figure 5B and the operation of the pixel circuit SPC_1 that generates the second driving current according to the waveform of the second selection signal Ps. Therefore, the repeated description will be omitted.
[0159] Figure 6 and Figure 7 are cross-sectional views of a display device according to an embodiment of the present specification.
[0160] Figure 6 illustrates a pixel in which a first type of lens 161 is provided, and Figure 7 illustrates a pixel in which a second type of lens 162 is provided.
[0161] Referring Figure 6 and Figure 7 , the display device 100 according to an embodiment of the present specification may include a substrate 110, a buffer film 111, a gate insulating film 112, an interlayer insulating film 113, a lower protective film 114, an overcoat layer 115, a bank insulating film 116, a first selection transistor TP1, a second selection transistor TP2, a first type of light-emitting element EDa, a second type of light-emitting element EDb, a first type of lens 161, a second type of lens 162, a lens protective film 170, and a packaging member 180.
[0162] The substrate 110 may include an insulating material. The substrate 110 may include a transparent material. For example, the substrate 110 may include glass, plastic, or a flexible polymer film. For example, the flexible polymer film may be made of any one of the following: polyethylene terephthalate (PET), polycarbonate (PC), acrylonitrile-butadiene-styrene copolymer (ABS), polymethyl methacrylate (PMMA), polyethylene naphthalate (PEN), polyethersulfone (PES), cycloolefin copolymer (COC), triacetyl cellulose (TAC) film, polyvinyl alcohol (PVA) film, polyimide (PI) film, and polystyrene (PS), which are merely examples and are not necessarily limited thereto.
[0163] The buffer film 111 may be disposed on the substrate 110. The buffer film 111 may include an insulating material. For example, the buffer film 111 may include an inorganic insulating material such as silicon oxide (SiOx) and silicon nitride (SiNx). The buffer film 111 may have a multilayer structure. For example, the buffer film 111 may have a stacked structure including a film made of silicon nitride (SiNx) and a film made of silicon oxide (SiOx), but the present disclosure is not limited thereto.
[0164] The buffer film 111 may be located between the substrate 110 and the driving unit (e.g., the driving circuit DC) of each pixel PX. The buffer film 111 may suppress or reduce contamination caused by the substrate 110 during the process of forming the driving unit. For example, the top surface of the substrate 110 oriented toward the driving unit of each pixel PX may be covered by the buffer film 111. The driving unit of each pixel PX may be located on the buffer film 111.
[0165] The gate insulating film 112 may be disposed on the buffer film 111. The gate insulating film 112 may include an insulating material. For example, the gate insulating film 112 may include an inorganic insulating material such as silicon oxide (SiOx) and silicon nitride (SiNx). The gate insulating film 112 may include a material having a high dielectric constant. For example, the gate insulating film 112 may include a high-K material such as hafnium oxide (HfO). The gate insulating film 112 may have a multilayer structure.
[0166] The gate insulating film 112 may extend between the semiconductor layers 121 and 131 and the gate electrodes 122 and 132 of the select transistors TP1 and TP2. For example, the gate electrodes of the switching transistor ST and the driving transistor DT may be insulated from the semiconductor layers of the switching transistor ST and the driving transistor DT through the gate insulating film 112. The gate insulating film 112 may cover the semiconductor layers of each pixel PX. The gate electrodes of the switching transistor ST and the driving transistor DT may be located on the gate insulating film 112.
[0167] The interlayer insulating film 113 may be disposed on the gate insulating film 112. The interlayer insulating film 113 may include an insulating material. For example, the interlayer insulating film 113 may include an inorganic insulating material such as silicon oxide (SiOx) and silicon nitride (SiNx). The interlayer insulating film 113 may extend between the gate electrodes and source electrodes of the driving transistor DT and the switching transistor ST and between the gate electrodes and drain electrodes of the driving transistor DT and the switching transistor ST. For example, the source electrodes and drain electrodes of the driving transistor DT and the switching transistor ST may be insulated from the gate electrodes through the interlayer insulating film 113. The interlayer insulating film 113 may cover the gate electrodes of the switching transistor ST and the driving transistor DT. The source electrodes and drain electrodes in each pixel PX may be located on the interlayer insulating film 113. The gate insulating film 112 and the interlayer insulating film 113 may expose the source regions and drain regions of each semiconductor pattern located in each pixel PX.
[0168] The lower protective film 114 may be disposed on the interlayer insulating film 113. The lower protective film 114 may include an insulating material. For example, the lower protective film 114 may include an inorganic insulating material such as silicon oxide (SiOx) and silicon nitride (SiNx). The lower protective film 114 may inhibit or reduce damage to the driving part caused by external moisture and impact. The lower protective film 114 may extend along the surfaces of the driving transistor DT and the switching transistor ST opposite to the substrate 110. The lower protective film 114 may contact the interlayer insulating film 113 outside the driving part located in each pixel PX.
[0169] The overcoat layer 115 may be disposed on the lower protective film 114. The overcoat layer 115 may include an insulating material. The overcoat layer 115 may include a material different from that of the lower protective film 114. For example, the overcoat layer 115 may include an organic insulating material. For example, the overcoat layer 115 may include one or more of the following materials: acrylic resin, epoxy resin, phenolic resin, polyamide resin, unsaturated polyester resin, polystyrene resin, polyphenylene sulfide resin, and benzocyclobutene, but the embodiments are not limited thereto. The overcoat layer 115 may remove the height difference caused by the driving portion in each pixel PX. For example, the top surface of the overcoat layer 115 facing the substrate 110 may be a flat surface.
[0170] The first selection transistor TP1 and the second selection transistor TP2 may be disposed on the substrate 110. The first selection transistor TP1 may be electrically connected between the drain electrode of the driving transistor DT and the first lower electrode 141 of the first type light-emitting element EDa. The second selection transistor TP2 may be electrically connected between the drain electrode of the driving transistor DT and the second lower electrode 151 of the second type light-emitting element EDb.
[0171] The first selection transistor TP1 may include a first semiconductor layer 121, a first gate electrode 122, a first source electrode 123, and a first drain electrode 124. The first selection transistor TP1 may have the same or similar structure as the switching transistor ST and the driving transistor DT. For example, the first semiconductor layer 121 may be located between the buffer film 111 and the gate insulating film 112, and the first gate electrode 122 may be located between the gate insulating film 112 and the interlayer insulating film 113. The first source electrode 123 and the first drain electrode 124 may be located between the interlayer insulating film 113 and the lower protective film 114. The first gate electrode 122 may overlap the channel region of the first semiconductor layer 121. The first source electrode 123 may be electrically connected to the source region of the first semiconductor layer 121. The first drain electrode 124 may be electrically connected to the drain region of the first semiconductor layer 121.
[0172] The second selection transistor TP2 may include a second semiconductor layer 131, a second gate electrode 132, a second source electrode 133, and a second drain electrode 134. For example, the second semiconductor layer 131 may be on the same layer as the first semiconductor layer 121, the second gate electrode 132 may be on the same layer as the first gate electrode 122, and the second source electrode 133 and the second drain electrode 134 may be on the same layer as the first source electrode 123 and the first drain electrode 124.
[0173] The first type light-emitting element EDa and the second type light-emitting element EDb in each pixel PX may be disposed on the overcoat layer 115 in the corresponding pixel PX.
[0174] The first type of light-emitting element EDa can emit light having a specific color. For example, the first type of light-emitting element EDa may include a first lower electrode 141, a first light-emitting layer 142, and a first upper electrode 143 that are sequentially stacked on a substrate 110.
[0175] The first lower electrode 141 may include a conductive material. The first lower electrode 141 may include a material having a high reflectivity. For example, the first lower electrode 141 may include metals such as aluminum (Al) and silver (Ag). The first lower electrode 141 may have a multilayer structure. For example, the first lower electrode 141 may have a structure in which a reflective electrode made of a metal is located between transparent electrodes made of transparent conductive materials such as ITO and IZO. The first lower electrode 141 may be electrically connected to the first drain electrode 124 of the first select transistor TP1 through a contact hole formed through the lower protective film 114 and the overcoat layer 115.
[0176] The first light-emitting layer 142 may create light whose brightness corresponds to the voltage difference between the first lower electrode 141 and the first upper electrode 143. For example, the first light-emitting layer 142 may include a light-emitting material layer (EML) containing a light-emitting material. The light-emitting material may include an organic material, an inorganic material, or a hybrid material.
[0177] The first light-emitting layer 142 may have a multilayer structure. For example, the first light-emitting layer 142 may further include at least one of a hole injection layer (HIL), a hole transport layer (HTL), an electron transport layer (ETL), and an electron injection layer (EIL).
[0178] The first upper electrode 143 may include a conductive material. The first upper electrode 143 may include a material different from that of the first lower electrode 141. The transmittance of the first upper electrode 143 may be higher than that of the first lower electrode 141. For example, the first upper electrode 143 may be configured as a transparent electrode made of transparent conductive materials such as ITO and IZO. Therefore, in the display device 100 according to an embodiment of the present specification, the light created by the first light-emitting layer 142 may be emitted through the first upper electrode 143.
[0179] The second type of light-emitting element EDb may achieve the same color as the first type of light-emitting element EDa. The second type of light-emitting element EDb may have the same or similar structure as the first type of light-emitting element EDa. For example, the second type of light-emitting element EDb may include a second lower electrode 151, a second light-emitting layer 152, and a second upper electrode 153 that are sequentially stacked on a substrate 110.
[0180] The second lower electrode 151 may correspond to the first lower electrode 141, the second light-emitting layer 152 may correspond to the first light-emitting layer 142, and the second upper electrode 153 may correspond to the first upper electrode 143. For example, the second lower electrode 151 may be formed for the second type of light-emitting element EDb while having the same or a similar structure as the first lower electrode 141. This also applies to the second light-emitting layer 152 and the second upper electrode 153. For example, the first type of light-emitting element EDa and the second type of light-emitting element EDb may be formed to have the same or a similar structure. However, the present specification is not limited thereto. In some cases, the first type of light-emitting element EDa and the second type of light-emitting element EDb may be formed to be different from each other in at least some configurations.
[0181] The second light-emitting layer 152 may be spaced apart from the first light-emitting layer 142. Accordingly, in the display device according to an embodiment of the present specification, light emission caused by leakage current may be suppressed or reduced.
[0182] The second lower electrode 151 in each pixel PX may be spaced apart from the first lower electrode 141 in the corresponding pixel PX. For example, the bank insulating film 116 may be disposed between the first lower electrode 141 and the second lower electrode 151 in each pixel PX. The bank insulating film 116 may include an insulating material. For example, the bank insulating film 116 may include an organic insulating material such as an acrylic resin, an epoxy resin, a phenolic resin, a polyamide resin, and / or a polyimide resin. Alternatively, the bank insulating film 116 may include an inorganic insulating material such as silicon nitride, aluminum nitride, zirconium nitride, titanium nitride, hafnium nitride, tantalum nitride, silicon oxide, aluminum oxide, or titanium oxide. The bank insulating film 116 may include a material different from that of the overcoat layer 115. In addition, the bank insulating film 116 is used to define pixels or sub-pixels. Accordingly, the bank insulating film 116 may be made of an insulating material containing a black material. The bank insulating film 116 may be made of, for example, a transparent carbon-based mixture. Specifically, the bank insulating film 116 may contain carbon black, but is not limited thereto. The bank insulating film 116 may also be made of a transparent insulating material.
[0183] The second lower electrode 151 in each pixel PX may be insulated from the first lower electrode 141 in the corresponding pixel PX through the bank insulating film 116. For example, the bank insulating film 116 may cover the edge of the first lower electrode 141 located in each pixel PX and the edge of the second lower electrode 151. Accordingly, the display device 100 may provide an image formed by the first type of lens region LSAa in each pixel PX where the first type of light-emitting element EDa is located, or an image formed by the second type of lens region LSAb in each pixel PX where the second type of light-emitting element EDb is located, to a user.
[0184] The first light-emitting layer 142 and the first upper electrode 143 of the first type of light-emitting element EDa located in each pixel PX may be stacked in a partial area of the corresponding first lower electrode 141 exposed by the bank insulating film 116. The second light-emitting layer 152 and the second upper electrode 153 of the second type of light-emitting element EDb located in each pixel PX may be stacked in a partial area of the corresponding second lower electrode 151 exposed by the bank insulating film 116. For example, in each pixel PX, the bank insulating film 116 may be divided into a first type of light-emitting area EAa where the first type of light-emitting element EDa emits light, and a second type of light-emitting area EAb where the second type of light-emitting element EDb emits light. In each pixel PX, the defined size of the second type of light-emitting area EAb may be smaller than the defined size of the first type of light-emitting area EAa.
[0185] In each pixel PX, the second upper electrode 153 may be electrically connected to the first upper electrode 143 in the corresponding pixel PX. For example, the voltage applied to the second upper electrode 153 of the second type of light-emitting element EDb located in each pixel PX may be equal to the voltage applied to the first upper electrode 143 of the first type of light-emitting element EDa located in the corresponding pixel PX. The second upper electrode 153 in each pixel PX may include the same material as the first upper electrode 143 in the corresponding pixel PX. For example, the second upper electrode 153 in each pixel PX may be formed simultaneously with the first upper electrode 143 in the corresponding pixel PX. The second upper electrode 153 in each pixel PX may extend on the bank insulating film 116 and be in direct contact with the first upper electrode 143 in the corresponding pixel PX. The brightness of the first type of lens area LSAa located in each pixel PX and the brightness of the second type of lens area LSAb located in each pixel PX may be controlled by the driving current generated in the corresponding pixel PX.
[0186] The encapsulation member 180 may be located on the first type of light-emitting element EDa and the second type of light-emitting element EDb in each pixel PX. The encapsulation member 180 may suppress or reduce damage to the light-emitting elements EDa and EDb caused by external impact and moisture. The encapsulation member 180 may have a multi-layer structure. For example, the encapsulation member 180 may include a first encapsulation layer 181, a second encapsulation layer 182, and a third encapsulation layer 183 that are sequentially stacked. However, this specification is not limited thereto. The first encapsulation layer 181, the second encapsulation layer 182, and the third encapsulation layer 183 may include an insulating material. The second encapsulation layer 182 may include a material different from the materials of the first encapsulation layer 181 and the third encapsulation layer 183. For example, the first encapsulation layer 181 and the third encapsulation layer 183 are inorganic encapsulation layers including an inorganic insulating material, and the second encapsulation layer 182 may include an organic encapsulation layer containing an organic insulating material. Accordingly, damage to the light-emitting elements EDa and EDb of the display device 100 caused by external impact and moisture can be more effectively suppressed or reduced.
[0187] The first type of lens 161 and the second type of lens 162 may be disposed on the encapsulation member 180.
[0188] The first type of lens 161 may be disposed on the first type of light-emitting element EDa. The light created by the first type of light-emitting element EDa in each pixel PX may be emitted through the first type of lens 161 in the corresponding pixel PX. The first type of lens 161 may have a shape in which light can be unrestricted at least in one direction. For example, the planar shape of the first type of lens 161 located in each pixel PX may be a bar shape extending in one direction.
[0189] In this case, the propagation direction of the light emitted from the first type of lens area LSAa in each pixel PX may not be limited to one direction. For example, the content (or image) provided through the first type of lens area LSAa in each pixel PX may be shared with the people around the user adjacent in one direction. Accordingly, the content provided by the light emitted through the first type of lens 161 may be provided within a first viewing angle range having a larger viewing angle than the content provided by the light emitted through the second type of lens 162. For example, the content provided by the light emitted through the first type of lens 161 may be provided in a wide field of view mode (sharing mode).
[0190] The second type of lens 162 can be disposed on the second type of light-emitting element EDb. The light created by the second type of light-emitting element EDb in each pixel PX can be emitted through the second type of lens 162 in the corresponding pixel PX. The second type of lens 162 can limit the propagation direction of the light passing through the second type of lens 162 to one direction and / or another direction. For example, the planar shape of the second type of lens 162 located in each pixel PX can be a circular shape.
[0191] In this case, the propagation direction of the light emitted from the second type of lens area LSAb in each pixel PX can be limited to one direction and / or another direction. For example, the content (or image) provided by the second type of lens area LSAb in each pixel PX may not be shared with the surrounding people adjacent to the user. Therefore, the content provided by the light emitted through the second type of lens 162 can be provided within a second viewing angle range having a smaller viewing angle than the content provided by the light emitted through the first type of lens 161. For example, the content provided by the light emitted through the second type of lens 162 can be provided in a narrow field of view mode (privacy mode).
[0192] The first type of light-emitting area EAa provided in each pixel PX can have a shape corresponding to the first type of lens 161 in each pixel PX. For example, the planar shape of the first type of light-emitting area EAa in each pixel PX can be a bar shape extending in one direction. The first type of lens 161 can have a larger size than the first type of light-emitting area EAa in the corresponding pixel PX. Therefore, the efficiency of the light emitted from the first type of light-emitting area EAa in the pixel PX can be improved.
[0193] The second type of light-emitting area EAb in each pixel PX can have a shape corresponding to the second type of lens 162 in each pixel PX. For example, the planar shape of the second type of light-emitting area EAb in each pixel PX can be a circular shape. The second type of lens 162 can have a larger size than the second type of light-emitting area EAb in the corresponding pixel PX. Therefore, the efficiency of the light emitted from the second type of light-emitting area EAb in the pixel PX can be improved.
[0194] Referring to Figure 6 , when the pixel PX includes the first type of lens 161, the first type of lens area LSAa provided with the first type of lens 161 can include one light-emitting area, for example, one first type of light-emitting area EAa. In addition, referring to Figure 7 , when the pixel PX includes the second type of lens 162, the second type of lens area LSAb provided with the second type of lens 162 can include a plurality of light-emitting areas, for example, a plurality of second type of light-emitting areas EAb.
[0195] Referring toFigure 6 When the pixel PX includes the first type of lens 161, one first type of lens 161 can be provided in the first type of lens region LSAa. Accordingly, the number of the first type of light-emitting regions EAa of the first type of light-emitting elements EDa defined by the bank insulating film 116 can be one, corresponding to one first type of lens 161.
[0196] In addition, referring to Figure 7 when the pixel PX includes the second type of lens 162, two second type of lenses 162 can be provided in the second type of lens region LSAb. Accordingly, the number of the second type of light-emitting regions EAb of the second type of light-emitting elements EDb defined by the bank insulating film 116 can be two, corresponding to the two second type of lenses 162. However, the present disclosure is not limited thereto, and the number of the second type of light-emitting regions EAb of the second type of light-emitting elements EDb defined by the bank insulating film 116 can be three or more, and the planar shape of the second type of light-emitting region EAb in each pixel PX can be other shapes such as an elliptical or oval shape other than a circular shape.
[0197] The lens protection film 170 can be located on the first type of lens 161 and the second type of lens 162 in the pixel PX. The lens protection film 170 can include an insulating material. For example, the lens protection film 170 can include an organic insulating material. The refractive index of the lens protection film 170 can be less than the refractive indices of the first type of lens 161 and the second type of lens 162 located in each pixel PX. Accordingly, in the display device 100 according to an embodiment of the present specification, due to the difference in refractive index from the lens protection film 170, the light passing through the first type of lens 161 and the second type of lens 162 in each pixel PX can be prevented from being reflected toward the substrate 110.
[0198] Referring to Figure 6 and Figure 7 as described above, the pixel PX can include the first type of lens 161 provided on the first type of light-emitting element EDa and the second type of lens 162 provided on the second type of light-emitting element EDb. However, the present disclosure is not limited thereto.
[0199] For example, the pixel PX can include a plurality of the first type of lenses 161 provided on the first type of light-emitting element EDa and the second type of light-emitting element EDb. This configuration will be described in detail below with reference to Figure 8A and Figure 8B FIGs.
[0200] Figure 8A is a circuit diagram illustrating an example of a first pixel of a display device according to an embodiment of the present specification. Figure 8BIt is a top view schematically illustrating an example of a first pixel of a display device according to an embodiment of the present specification.
[0201] In addition, Figure 8A and Figure 8B an example of a first pixel PX1 among a plurality of pixels PX provided on a display panel PN of a display device 100 according to an embodiment of the present specification described with reference to Figure 2 is illustrated.
[0202] In addition, Figure 8A the first pixel PX1 shown may include a pixel circuit SPC described with reference to Figure 3 or a pixel circuit SPC_1 described with reference to Figure 4 . Therefore, a repeated description of the same content as that described with reference to Figure 3 and Figure 4 will be omitted.
[0203] In addition, for ease of description, Figure 8A and Figure 8B only a selection circuit, a plurality of light-emitting elements, and a plurality of lenses among the components included in the first pixel PX1 are illustrated. For ease of description, Figure 8A only the correspondence between a plurality of lenses indicated by a dashed line is schematically illustrated.
[0204] First, with reference to Figure 3 , Figure 4 and Figure 8A , the first pixel PX1 may include a first selection circuit SC1, a plurality of light-emitting elements ED1 and ED2.
[0205] The first selection circuit SC1 may include a first transistor T1 and a second transistor T2. Figure 8A The first transistor T1 and the second transistor T2 in Figure 3 and Figure 4 may be transistors corresponding to the first selection transistor TP1 and the second selection transistor TP2 described with reference to
[0206] The gate electrode of the first transistor T1 may be turned on or off in response to a selection signal provided from a first selection signal line SSL1, and the gate electrode of the second transistor T2 may be turned on or off in response to a selection signal provided from a second selection signal line SSL2. In this case, the selection signal provided from the first selection signal line SSL1 and the selection signal provided from the second selection signal line SSL2 may be the first selection signal Ss and the second selection signal Ps described with reference to Figure 3 and Figure 4 respectively. However, the present disclosure is not limited thereto.
[0207] The plurality of light-emitting elements ED1 and ED2 included in the first pixel PX1 may include a first light-emitting element ED1 and a second light-emitting element ED2. Similar to the configuration described with reference to Figure 3 and Figure 4 , the first light-emitting element ED1 of the first pixel PX1 may be connected between the first transistor T1 and a second power supply line configured to provide a second power supply voltage VSS (e.g., a low-potential power supply voltage), and the second light-emitting element ED2 of the first pixel PX1 may be connected between the second transistor T2 and the second power supply line configured to provide the second power supply voltage VSS. For example, Figure 8A the first light-emitting element ED1 and the second light-emitting element ED2 in Figure 3 and Figure 4 may be light-emitting elements corresponding to the first type of light-emitting element EDa and the second type of light-emitting element EDb described with reference to
[0208] Thus, when the first transistor T1 is turned on in response to a selection signal at a conductive level provided from the first selection signal line SSL1, a first driving current passing through the first light-emitting element ED1 may be formed, such that the first light-emitting element ED1 of the first pixel PX1 can emit light.
[0209] In addition, when the second transistor T2 is turned on in response to a selection signal at a conductive level provided from the second selection signal line SSL2, a second driving current passing through the second light-emitting element ED2 may be formed, such that the second light-emitting element ED2 of the first pixel PX1 can emit light.
[0210] The first pixel PX1 may operate in a third state in which both the first light-emitting element ED1 and the second light-emitting element ED2 emit light.
[0211] The first pixel PX1 may include a first lens LS1 disposed above the first light-emitting element ED1 and a second lens LS2 disposed above the second light-emitting element ED2.
[0212] With further reference to Figure 8B to describe the first lens LS1 and the second lens LS2 more specifically, the first pixel PX1 may include a first lens region LSA1 and a second lens region LSA2 where the first light-emitting element ED1 and the second light-emitting element ED2 are respectively located.
[0213] The first lens region LSA1 and the second lens region LSA2 may provide images with substantially the same viewing angle. The brightness of the first lens region LSA1 may be controlled by the first driving current created by the first light-emitting element ED1, and the brightness of the second lens region LSA2 may be controlled by the second driving current created by the second light-emitting element ED2.
[0214] The first lens LS1 may be located above the first light-emitting element ED1, and the second lens LS2 may be located above the second light-emitting element ED2.
[0215] The first lens LS1 and the second lens LS2 may each have a first shape. The first lens LS1 and the second lens LS2 may each have a shape in which light is not restricted at least in one direction. For example, the planar shape of each of the first lens LS1 and the second lens LS2 located in the first pixel PX1 may be a strip shape extending in one direction. For example, the first lens LS1 and the second lens LS2 may each be implemented as the first type of lens 161 described with reference to Figure 6 Figure 161.
[0216] In this case, when the light created by the first light-emitting element ED1 of the first pixel PX1 is emitted through the first lens LS1 or the light created by the second light-emitting element ED2 is emitted through the second lens LS2, the propagation direction of the corresponding light may not be limited to one direction.
[0217] The first light-emitting area EA1 defined by the first light-emitting element ED1 of the first pixel PX1 may have a shape corresponding to the first lens LS1, and the second light-emitting area EA2 defined by the second light-emitting element ED2 of the first pixel PX1 may have a shape corresponding to the second lens LS2.
[0218] For example, as Figure 8B shown, the planar shape of the first light-emitting area EA1 and the planar shape of the second light-emitting area EA2 may each be a strip shape extending in one direction, so as to correspond to the shape of the first lens LS1 and the shape of the second lens LS2. In addition, in this case, the first lens LS1 located in the first lens area LSA1 may have a larger size than the first light-emitting area EA1 included in the first lens area LSA1, and the second lens LS2 located in the second lens area LSA2 may have a larger size than the second light-emitting area EA2 included in the second lens area LSA2. Therefore, the efficiency of the light emitted from the first light-emitting area EA1 and the second light-emitting area EA2 of the first pixel PX1 can be improved.
[0219] Since the first lens LS1 and the second lens LS2 are implemented as the first type of lens 161, the first lens area LSA1 and the second lens area LSA2 may each include one light-emitting area (for example, one first light-emitting area EA1 and one second light-emitting area EA2), and include one lens (for example, one first lens LS1 and one second lens LS2), as described with reference to Figure 6 Figure 161.
[0220] Therefore, when a first driving current is formed in the first pixel PX1 and the first light-emitting element ED1 emits light, the light created by the first light-emitting element ED1 of the first pixel PX1 passes through the first lens LS1 implemented as a first-type lens 161 and is emitted. Therefore, the content provided by the light created by the first light-emitting element ED1 of the first pixel PX1 can be provided from a first viewing angle. For example, the provided content (or image) can be shared with the surrounding people adjacent to the user in one direction. Therefore, the content provided by the light emitted through the first lens LS1 can be provided in a wide viewing angle mode (sharing mode).
[0221] In addition, when a second driving current is formed in the first pixel PX1 and the second light-emitting element ED2 emits light, the light created by the second light-emitting element ED2 of the first pixel PX1 passes through the second lens LS2 implemented as a first-type lens 161 and is emitted. Therefore, the content provided by the light created by the second light-emitting element ED2 of the first pixel PX1 can be provided from a first viewing angle. For example, the provided content (or image) can be shared with the surrounding people adjacent to the user in one direction. Therefore, the content provided by the light emitted through the second lens LS2 can be provided in a wide viewing angle mode (sharing mode).
[0222] For example, in the case of the first pixel PX1, both the content provided by the light created by the first light-emitting element ED1 and the content provided by the light created by the second light-emitting element ED2 can be provided from a first viewing angle.
[0223] In this case, as described above, the first pixel PX1 can operate in a third state in which both the first light-emitting element ED1 and the second light-emitting element ED2 emit light. Therefore, when the first pixel PX1 operates in the third state, the content can be provided from a first viewing angle by the light created by the first light-emitting element ED1 and the light created by the second light-emitting element ED2.
[0224] As described above, the first region provided with the first pixel PX1 operating in the third state among the plurality of regions of the display panel PN can provide content in a wide viewing angle mode regardless of the driving mode.
[0225] Figure 9A is a circuit diagram illustrating an example of a second pixel of a display device according to an embodiment of the present specification. Figure 9B is a top view schematically illustrating an example of a second pixel of a display device according to an embodiment of the present specification.
[0226] In addition, Figure 9A and Figure 9B illustrates according to the reference Figure 2An example of the second pixel PX2 among the plurality of pixels PX provided on the display panel PN of the display device 100 described in the present specification.
[0227] In addition, Figure 9A The second pixel PX2 shown may include the pixel circuit SPC described with reference to Figure 3 or the pixel circuit SPC_1 described with reference to Figure 4 Therefore, a repeated description of the same content as that described with reference to Figure 3 and Figure 4 will be omitted.
[0228] In addition, for ease of description, Figure 9A and Figure 9B only the selection circuit, the plurality of light-emitting elements, and the plurality of lenses among the components included in the second pixel PX2 are illustrated as examples. For ease of description, Figure 9A only the correspondence between the plurality of lenses indicated by the dashed line is schematically illustrated.
[0229] First, with reference to Figure 3 , Figure 4 and Figure 9A , the second pixel PX2 may include a second selection circuit SC2, and a plurality of light-emitting elements ED3 and ED4.
[0230] The second selection circuit SC2 may include a third transistor T3 and a fourth transistor T4. Figure 9A The third transistor T3 and the fourth transistor T4 in Figure 3 and Figure 4 may be transistors corresponding to the first selection transistor TP1 and the second selection transistor TP2 described with reference to
[0231] The gate electrode of the third transistor T3 may be turned on or off in response to a selection signal provided from the third selection signal line SSL3, and the gate electrode of the fourth transistor T4 may be turned on or off in response to a selection signal provided from the fourth selection signal line SSL4. In this case, the selection signal provided from the third selection signal line SSL3 and the selection signal provided from the fourth selection signal line SSL4 may be the first selection signal Ss and the second selection signal Ps described with reference to Figure 3 and Figure 4 However, the present disclosure is not limited thereto.
[0232] The plurality of light-emitting elements ED3 and ED4 included in the second pixel PX2 may include a third light-emitting element ED3 and a fourth light-emitting element ED4. Similar to that described with reference to Figure 3 and Figure 4The described configurations are basically the same or similar. The third light-emitting element ED3 of the second pixel PX2 can be connected between the third transistor T3 and the second power supply line configured to provide the second power supply voltage VSS, and the fourth light-emitting element ED4 of the second pixel PX2 can be connected between the fourth transistor T4 and the second power supply line configured to provide the second power supply voltage VSS. For example, Figure 9A the third light-emitting element ED3 and the fourth light-emitting element ED4 in Figure 3 and Figure 4 can be light-emitting elements corresponding to the first type of light-emitting element EDa and the second type of light-emitting element EDb described with reference to
[0233] Therefore, when the third transistor T3 is turned on in response to a selection signal at a conductive level provided from the third selection signal line SSL3, a first drive current passing through the third light-emitting element ED3 can be formed, so that the third light-emitting element ED3 of the second pixel PX2 can emit light.
[0234] In addition, when the fourth transistor T4 is turned on in response to a selection signal at a conductive level provided from the fourth selection signal line SSL4, a second drive current passing through the fourth light-emitting element ED4 can be formed, so that the fourth light-emitting element ED4 of the second pixel PX2 can emit light.
[0235] The second pixel PX2 can operate in a first state where the third light-emitting element ED3 emits light. Alternatively, the second pixel PX2 can operate in a second state where the fourth light-emitting element ED4 emits light.
[0236] The second pixel PX2 can include a third lens LS3 disposed above the third light-emitting element ED3 and a fourth lens LS4 disposed above the fourth light-emitting element ED4.
[0237] With further reference to Figure 9B to describe the third lens LS3 and the fourth lens LS4 more specifically, the second pixel PX2 can include a third lens region LSA3 and a fourth lens region LSA4 where the third light-emitting element ED3 and the fourth light-emitting element ED4 are respectively located.
[0238] The third lens region LSA3 and the fourth lens region LSA4 can provide images from different perspectives. The brightness of the third lens region LSA3 can be controlled by the first drive current created by the third light-emitting element ED3, and the brightness of the fourth lens region LSA4 can be controlled by the second drive current created by the fourth light-emitting element ED4.
[0239] The third lens LS3 can be located above the third light-emitting element ED3, and the fourth lens LS4 can be located above the fourth light-emitting element ED4.
[0240] The third lens LS3 may have a first shape. The third lens LS3 may have a shape in which light is not restricted at least in one direction. For example, the planar shape of the third lens LS3 located in the second pixel PX2 may be a bar shape extending in one direction. For example, the third lens LS3 may be implemented as the first type of lens 161 described with reference to Figure 6 Figure 161.
[0241] In this case, when the light created by the third light-emitting element ED3 of the second pixel PX2 is emitted through the third lens LS3, the propagation direction of the corresponding light may not be limited to one direction.
[0242] The fourth lens LS4 may have a second shape. The fourth lens LS4 may limit the propagation direction of light passing through the second type of lens 162 to one direction and / or another direction. For example, the planar shape of the fourth lens LS4 located in the second pixel PX2 may be a circular shape, but the present disclosure is not limited thereto. For example, the fourth lens LS4 may be implemented as the second type of lens 162 described with reference to Figure 7 Figure 162.
[0243] In this case, when the light created by the fourth light-emitting element ED4 of the second pixel PX2 is emitted through the fourth lens LS4, the propagation direction of the corresponding light may be limited to one direction and / or another direction.
[0244] The third light-emitting region EA3 defined by the third light-emitting element ED3 of the second pixel PX2 may have a shape corresponding to the third lens LS3, and the fourth light-emitting region EA4 defined by the fourth light-emitting element ED4 of the second pixel PX2 may have a shape corresponding to the fourth lens LS4.
[0245] For example, as Figure 9B shown, the planar shape of the third light-emitting region EA3 may be a bar shape extending in one direction, corresponding to the shape of the third lens LS3. In addition, in this case, the size of the third lens LS3 located in the third lens region LSA3 may be larger than the size of the third light-emitting region EA3 included in the third lens region LSA3. Therefore, the efficiency of the light emitted from the third light-emitting region EA3 of the second pixel PX2 can be improved.
[0246] In addition, as Figure 9BAs shown, the planar shape of the fourth light-emitting region EA4 may be a circular shape corresponding to the shape of the fourth lens LS4. Further, in this case, the fourth lens LS4 located in the fourth lens region LSA4 may have a larger size than the fourth light-emitting region EA4 included in the fourth lens region LSA4. For example, the planar shape of the fourth light-emitting region EA4 located in the fourth lens region LSA4 may have a circular shape concentric with the planar shape of the fourth lens LS4 located in the fourth lens region LSA4. In this case, the efficiency of the light emitted from the fourth light-emitting region EA4 of the second pixel PX2 can be improved.
[0247] Since the third lens LS3 is implemented as the first type of lens 161, the third lens region LSA3 may include one third light-emitting region EA3 and include one third lens LS3, as referred to Figure 6 as described. Further, since the fourth lens LS4 is implemented as the second type of lens 162, the fourth lens region LSA4 may include two fourth light-emitting regions EA4 and include two fourth lenses LS4, as referred to Figure 7 as described.
[0248] Therefore, when a first drive current is formed in the second pixel PX2 and the third light-emitting element ED3 emits light, the light created by the third light-emitting element ED3 of the third pixel PX3 is emitted through the third lens LS3 implemented as the first type of lens 161. Accordingly, the content provided by the light created by the third light-emitting element ED3 passing through the second pixel PX2 can be provided from a first viewing angle. For example, the provided content (or image) can be shared with the surrounding people adjacent to the user in one direction. Accordingly, the content provided by the light emitted through the third lens LS3 can be provided in a wide viewing angle mode (sharing mode).
[0249] Further, when a second drive current is formed in the second pixel PX2 and the fourth light-emitting element ED4 emits light, the light created by the fourth light-emitting element ED4 of the second pixel PX2 is emitted through the fourth lens LS4 implemented as the second type of lens 162. Accordingly, the content provided by the light created by the fourth light-emitting element ED4 passing through the second pixel PX2 can be provided from a second viewing angle. For example, the provided content (or image) can be not shared with the surrounding people adjacent to the user. Accordingly, the content provided by the light emitted through the fourth lens LS4 can be provided in a narrow viewing angle mode (privacy mode).
[0250] In this case, as described above, the second pixel PX2 may operate in the first state in which the third light-emitting element ED3 emits light. Alternatively, the second pixel PX2 may operate in the second state in which the fourth light-emitting element ED4 emits light. Accordingly, when the second pixel PX2 operates in the first state, the light created by the third light-emitting element ED3 may provide content at the first viewing angle. In addition, when the second pixel PX2 operates in the second state, the light created by the fourth light-emitting element ED4 may provide content at the second viewing angle.
[0251] As described above, among the plurality of regions of the display panel PN, the second region in which the second pixel PX2 operating in the first state or the second state is provided may provide content in a wide viewing angle mode or content in a narrow viewing angle mode according to a driving mode.
[0252] Figure 10 FIG. is an example diagram illustrating a display panel of a display device according to an embodiment of the present specification. Figure 11 is schematically illustrated Figure 10 a top view of the arrangement of lenses of the first pixel and the second pixel included in the display panel in
[0253] In addition, Figure 10 illustrates an example of a display panel PN included in the display device 100 according to an embodiment of the present specification described with reference to Figure 2 and including a first region A1 and a second region A2. Figure 11 illustrates Figure 10 an example of the first pixel PX1 provided in the first region A1 of the display panel PN in
[0254] In addition, Figure 11 illustrates an embodiment in which each of the first pixel PX1 and the second pixel PX2 includes three sub-pixels.
[0255] In addition, for ease of description, Figure 10 and Figure 11 the first direction DR1 is illustrated as a horizontal direction in a plan view, and the second direction DR2 is illustrated as a vertical direction in a plan view.
[0256] In addition, for ease of description, Figure 10 illustrates a plurality of rows R1 and R2 defined along a direction parallel to the first direction DR1 and a plurality of columns C1 to Cm defined along a direction parallel to the second direction DR2 as a plurality of pixel rows and a plurality of pixel columns in which a plurality of first pixels PX1 are provided in the first region A1.
[0257] Referring to Figure 2 and Figures 6 to 10, the display panel PN can be divided into multiple regions A1 and A2. For example, as Figure 10 shown, the display panel PN can be divided into two regions A1 and A2. For example, the display panel PN can include a first region A1 and a second region A2 adjacent to the first region A1 in a direction opposite to the first direction DR1.
[0258] The regions A1 and A2 included in the display panel PN can include a plurality of pixels in which pixel circuits are provided. For example, a plurality of first pixels PX1 can be provided in the first region A1 and spaced apart from each other in the first direction DR1 and the second direction DR2, and a plurality of second pixels PX2 can be provided in the second region A2 and spaced apart from each other in the first direction DR1 and the second direction DR2.
[0259] In addition, as described above, the first region A1 of the display panel PN can be a region provided on the driver's seat side provided in the front row seat of the vehicle described with reference to Figure 1 above, for example, a region that provides content in a wide field of view mode. The second region A2 of the display panel PN can be a region provided on the passenger seat side provided in the front row seat of the vehicle described with reference to Figure 1 above, for example, a region that provides content in a wide field of view mode or content in a narrow field of view mode according to the driving mode of the display device 100.
[0260] For example, the plurality of first pixels PX1 provided in the first region A1 can display an image through the first lens region LSA1 and the second lens region LSA2. For example, each of the plurality of first pixels PX1 provided in the first region A1 can, for example, operate in a third state in which both the first lens region LSA1 and the second lens region LSA2 display an image regardless of the driving mode in each of the first mode and the second mode.
[0261] In addition, as described with reference to Figure 8A and Figure 8B above, both the first lens LS1 located in the first lens region LSA1 and the second lens LS2 located in the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 can emit (provide) light at a first viewing angle. Therefore, in each of the first mode and the second mode, an image displayed by the plurality of first pixels PX1 provided in the first region A1 can be provided to the user at a first viewing angle.
[0262] A plurality of second pixels PX2 provided in the second area A2 can display an image through the third lens area LSA3 and the fourth lens area LSA4. For example, in the first mode, the plurality of second pixels PX2 provided in the second area A2 can each operate in a first state in which only the third lens area LSA3 displays an image therein. Alternatively, in the second mode, the plurality of second pixels PX2 provided in the second area A2 can each operate in a second state in which only the fourth lens area LSA4 displays an image therein.
[0263] In addition, as referred to Figure 9A and Figure 9B described, the third lens LS3 in the third lens area LSA3 of each of the plurality of second pixels PX2 provided in the second area A2 can provide light at a first viewing angle. Therefore, in the first mode, the image displayed by the plurality of second pixels PX2 provided in the second area A2 can be provided to the user at the first viewing angle. In addition, the fourth lens LS4 in the fourth lens area LSA4 of each of the plurality of second pixels PX2 provided in the second area A2 can provide light at a second viewing angle. Therefore, in the second mode, the image displayed by the plurality of second pixels PX2 provided in the second area A2 can be provided to the user at the second viewing angle.
[0264] In addition, as described above, the first pixel PX1 provided in the first area A1 and the second pixel PX2 provided in the second area A2 have different lens arrangement structures, which may cause the problem that the boundary between the first area A1 and the second area A2 is visually recognized.
[0265] With further reference to Figure 11 to describe this situation more specifically, the first pixel PX1 may include a first red sub-pixel RSP1 configured to achieve red, a first green sub-pixel GSP1 configured to achieve green, and a first blue sub-pixel BSP1 configured to achieve blue, and the second pixel PX2 may include a second red sub-pixel RSP2 configured to achieve red, a second green sub-pixel GSP2 configured to achieve green, and a second blue sub-pixel BSP2 configured to achieve blue.
[0266] In addition, Figure 11 The first pixel PX1 and the second pixel PX2 shown are provided for illustrative purposes only, and the embodiments of the present specification are not limited thereto. For example, the first pixel PX1 and / or the second pixel PX2 may each further include sub-pixels for further achieving a specific color (e.g., white) in addition to red, green, and blue.
[0267] The first pixel PX1 and the second pixel PX2 may have substantially the same sub-pixel arrangement structure. For example, the first pixel PX1 may have a sub-pixel arrangement structure in which a first green sub-pixel GSP1 and a first blue sub-pixel BSP1 are arranged side by side in a second direction DR2 on one side of a first red sub-pixel RSP1 based on a first direction DR1. Similarly, the second pixel PX2 may have a sub-pixel arrangement structure in which a second green sub-pixel GSP2 and a second blue sub-pixel BSP2 are arranged side by side in a second direction DR2 on one side of a second red sub-pixel RSP2 based on a first direction DR1. However, this is provided only for illustrative purposes, and the sub-pixel arrangement structures of the first pixel PX1 and / or the second pixel PX2 are not limited thereto. The first pixel PX1 and the second pixel PX2 may each have an arrangement structure different from the Figure 11 sub-pixel arrangement structure shown, and / or the first pixel PX1 and the second pixel PX2 may have different sub-pixel arrangement structures.
[0268] The first pixel PX1 may include a plurality of first lens regions LSA1 in which a first lens LS1 is provided for each sub-pixel, and a plurality of second lens regions LSA2 in which a second lens LS2 is provided for each sub-pixel.
[0269] For example, the first red sub-pixel RSP1 of the first pixel PX1 may include a first sub-lens region LSA1a in which the first lens LS1 is provided and a second sub-lens region LSA2a in which the second lens LS2 is provided. The first green sub-pixel GSP1 of the first pixel PX1 may include a third sub-lens region LSA1b in which the first lens LS1 is provided and a fourth sub-lens region LSA2b in which the second lens LS2 is provided. The first blue sub-pixel BSP1 of the first pixel PX1 may include a fifth sub-lens region LSA1c in which the first lens LS1 is provided and a sixth sub-lens region LSA2c in which the second lens LS2 is provided.
[0270] In this case, the first sub-lens region LSA1a, the third sub-lens region LSA1b, and the fifth sub-lens region LSA1c in which the first lens LS1 of the first pixel PX1 is provided may be regions provided in the first lens region LSA1. For example, the first lens LS1 having a first shape is provided in the first sub-lens region LSA1a, the third sub-lens region LSA1b, and the fifth sub-lens region LSA1c of the first pixel PX1 such that an image displayed from the first sub-lens region LSA1a, the third sub-lens region LSA1b, and the fifth sub-lens region LSA1c of the first pixel PX1 can be provided to the user at a first viewing angle.
[0271] In addition, the second sub-lens regions LSA2a, fourth sub-lens regions LSA2b, and sixth sub-lens regions LSA2c of the second lens LS2 provided with the first pixel PX1 may be regions included in the second lens region LSA2. For example, the second lens LS2 each having a first shape is provided in the second sub-lens region LSA2a, fourth sub-lens region LSA2b, and sixth sub-lens region LSA2c of the first pixel PX1, so that images displayed from the second sub-lens region LSA2a, fourth sub-lens region LSA2b, and sixth sub-lens region LSA2c of the first pixel PX1 can be provided to the user at a first viewing angle.
[0272] For example, the first sub-lens region to the sixth sub-lens regions LSA1a, LSA2a, LSA1b, LSA2b, LSA1c, and LSA2c of the first pixel PX1 can provide images at the same viewing angle.
[0273] The second pixel PX2 may include a plurality of third lens regions LSA3 in which a third lens LS3 is provided for each sub-pixel and a plurality of fourth lens regions LSA4 in which a fourth lens LS4 is provided for each sub-pixel.
[0274] For example, the second red sub-pixel RSP2 of the second pixel PX2 may include a seventh sub-lens region LSA3a in which the third lens LS3 is provided and an eighth sub-lens region LSA4a in which the fourth lens LS4 is provided. The second green sub-pixel GSP2 of the second pixel PX2 may include a ninth sub-lens region LSA3b in which the third lens LS3 is provided and a tenth sub-lens region LSA4b in which the fourth lens LS4 is provided. The second blue sub-pixel BSP2 of the second pixel PX2 may include an eleventh sub-lens region LSA3c in which the third lens LS3 is provided and a twelfth sub-lens region LSA4c in which the fourth lens LS4 is provided.
[0275] In this case, the seventh sub-lens region LSA3a, ninth sub-lens region LSA3b, and eleventh sub-lens region LSA3c in which the third lens LS3 of the second pixel PX2 is provided may be regions included in the third lens region LSA3. For example, the third lens LS3 each having a first shape is respectively provided in the seventh sub-lens region LSA3a, ninth sub-lens region LSA3b, and eleventh sub-lens region LSA3c of the second pixel PX2, so that images displayed from the seventh sub-lens region LSA3a, ninth sub-lens region LSA3b, and eleventh sub-lens region LSA3c of the second pixel PX2 can be provided to the user at a first viewing angle.
[0276] In addition, the eighth sub-lens region LSA4a, the tenth sub-lens region LSA4b, and the twelfth sub-lens region LSA4c of the fourth lens LS4 in which the second pixel PX2 is provided may be regions included in the fourth lens region LSA4. For example, the fourth lens LS4 each having a second shape is provided in the eighth sub-lens region LSA4a, the tenth sub-lens region LSA4b, and the twelfth sub-lens region LSA4c of the second pixel PX2, so that an image displayed from the eighth sub-lens region LSA4a, the tenth sub-lens region LSA4b, and the twelfth sub-lens region LSA4c of the second pixel PX2 can be provided to the user from a second viewing angle.
[0277] For example, the seventh sub-lens region LSA3a, the ninth sub-lens region LSA3b, and the eleventh sub-lens region LSA3c of the third lens LS3 in which the second pixel PX2 is provided, and the eighth sub-lens region LSA4a, the tenth sub-lens region LSA4b, and the twelfth sub-lens region LSA4c of the fourth lens LS4 in which the second pixel PX2 is provided can provide images from different viewing angles.
[0278] The arrangement structures of the first lens region LSA1 and the second lens region LSA2 of the first pixel PX1 may be substantially the same as the arrangement structures of the third lens region LSA3 and the fourth lens region LSA4 of the second pixel PX2.
[0279] For example, the first lens region LSA1 (e.g., the first sub-lens region LSA1a, the third sub-lens region LSA1b, and the fifth sub-lens region LSA1c) of the first pixel PX1 may be provided at positions corresponding to the third lens region LSA3 (e.g., the seventh sub-lens region LSA3a, the ninth sub-lens region LSA3b, and the eleventh sub-lens region LSA3c) of the third lens LS3 in which the first type of lens 161 is provided in the second pixel PX2, respectively.
[0280] In addition, the second lens region LSA2 (e.g., the second sub-lens region LSA2a, the fourth sub-lens region LSA2b, and the sixth sub-lens region LSA2c) of the first pixel PX1 may be provided at positions corresponding to the fourth lens region LSA4 (e.g., the eighth sub-lens region LSA4a, the tenth sub-lens region LSA4b, and the twelfth sub-lens region LSA4c) of the fourth lens LS4 in which the second type of lens 162 is provided in the second pixel PX2, respectively.
[0281] The number of the fourth lens LS4 provided in the fourth lens region LSA4 and the number of the light-emitting regions corresponding to the fourth lens LS4 may vary according to each of the sub-pixels RSP2, GSP2, and BSP2 of the second pixel PX2. For example, the number of the fourth lens LS4 in the tenth sub-lens region LSA4b of the second green sub-pixel GSP2 and the number of the fourth lens LS4 in the twelfth sub-lens region LSA4c of the second blue sub-pixel BSP2 may be greater than the number of the fourth lens LS4 in the eighth sub-lens region LSA4a of the second red sub-pixel RSP2. In this case, the efficiency deviation of the fourth light-emitting element ED4 in the fourth lens region LSA4 of the second pixel PX2 may be compensated by the number of the fourth lens LS4 provided in the fourth lens region LSA4 of the second pixel PX2 and the number of the light-emitting regions corresponding to the fourth lens LS4. However, the number of the fourth lens LS4 provided in the fourth lens region LSA4 and the number of the light-emitting regions corresponding to the fourth lens LS4 according to each of the sub-pixels RSP2, GSP2, and BSP2 of the second pixel PX2 are not limited thereto. According to an embodiment, the number of the fourth lens LS4 provided in the fourth lens region LSA4 and the number of the light-emitting regions corresponding to the fourth lens LS4 according to each of the sub-pixels RSP2, GSP2, and BSP2 of the second pixel PX2 may be equal to each other.
[0282] As described above, the first pixel PX1 provided in the first region A1 and the second pixel PX2 provided in the second region A2 may have different lens arrangement structures. For example, in the case of the first pixel PX1, lenses having a first shape (e.g., the first lens LS1 and the second lens LS2) may be provided in all the lens regions LSA1 and LSA2. In contrast, in the case of the second pixel PX2, the third lens LS3 having the first shape may be provided in the third lens region LSA3, and the fourth lens LS4 having the second shape may be provided in the fourth lens region LSA4.
[0283] Therefore, when a plurality of first pixels PX1 provided in the first region A1 and a plurality of second pixels PX2 provided in the second region A2 display images having the same brightness, there may be a problem that the boundary between the first region A1 and the second region A2 is visually recognized due to the difference in the lens arrangement structures between the first pixel PX1 and the second pixel PX2.
[0284] Specifically, as described above, when the display device 100 operates in the first mode, a plurality of first pixels PX1 in the first region A1 can operate in the third state and display an image through the first lens region LSA1 and the second lens region LSA2, while a plurality of second pixels PX2 in the second region A2 can operate in the first state and display an image only through the third lens region LSA3. In this case, in the first mode, both the first region A1 and the second region A2 provide an image to the user at a first viewing angle, so that an image in which the images displayed in the first region A1 and the images displayed in the second region A2 are continuously arranged can be provided to the user. In this case, when the plurality of first pixels PX1 provided in the first region A1 and the plurality of second pixels PX2 provided in the second region A2 display images having the same brightness, the plurality of first pixels PX1 in the first region A1 operate in the third state and display an image through the first lens region LSA1 and the second lens region LSA2, thereby achieving a higher brightness of the first region A1 compared to the second region A2 that operates in the first state and displays an image only through the third lens region LSA3. Due to the above-mentioned brightness difference, a problem may occur in which the boundary between the first region A1 and the second region A2 is visually recognized.
[0285] To solve or mitigate the above-mentioned problems, the display device 100 according to an embodiment of the present specification may control the brightness of the display panel PN based on a mode signal MODE according to the driving mode of the display device 100. For example, as referred to Figure 2 above, the brightness controller LD may create corrected image data CDATA for controlling the brightness of the display panel PN based on the mode signal MODE according to the driving mode of the display device 100, and the timing controller TD may create image data RGB to be provided to the data driving circuit DD based on the corrected image data CDATA, thereby controlling the brightness of the image to be displayed on the display panel PN.
[0286] The display device 100 (e.g., the brightness controller LD) can control the brightness of the display panel PN (e.g., the first region A1) such that the brightness of the first region A1 increases as the distance from the boundary between the first region A1 and the second region A2 increases. In addition, the brightness controller LD can perform control such that the brightness of the region adjacent to the boundary between the first region A1 and the second region A2 in the first region A1 has a value that is substantially equal to or similar to the brightness of the second region A2. In the first mode in which images are provided at a first viewing angle in both the first region A1 and the second region A2, by the operation of the brightness controller LD, the brightness difference between the first region A1 and the second region A2 at the boundary between the first region A1 and the second region A2 can be minimized or reduced, which can solve or alleviate the problem that the boundary between the first region A1 and the second region A2 is visually recognized.
[0287] Hereinafter, reference will be made to Figures 12 to 18 The configuration in which the display device 100 (e.g., the brightness controller LD) controls the brightness of the first region A1 will be described in more detail. In addition, as described above, the brightness controller LD can control the brightness of the first region A1 by creating corrected image data CDATA based on the input image data IDATA. However, the configuration in which the brightness controller LD controls the brightness of the first region A1 is not limited thereto.
[0288] Figure 12 is a diagram for illustrating an example of the operation of the display device according to an embodiment of the present specification in the first mode. Figure 13 is a diagram for illustrating an example of the operation of the display device according to an embodiment of the present specification in the second mode.
[0289] In addition, Figure 12 and Figure 13 illustrate an example of the display panel PN in the case where the display device 100 according to an embodiment of the present specification operates in the first mode and the second mode.
[0290] In addition, for ease of description, Figure 12 and Figure 13 show "Off", which indicates that the light-emitting elements in the lens region provided on the display panel PN do not emit light.
[0291] Refer to Figures 2 to 11, a mode controller MS included in the display device 100 may create a mode selection signal MSS based on a mode signal MODE input from the outside. For example, the mode controller MS may receive the mode signal MODE from the outside in response to the driving mode of the display device 100, create the mode selection signal MSS based on the mode signal MODE, and provide the mode selection signal MSS to the mode selection unit MD. In addition, in response to the mode selection signal MSS provided by the mode controller MS, the mode selection unit MD may provide selection signals corresponding to the driving mode to a plurality of pixels PX (for example, a plurality of first pixels PX1 provided in the first area A1 and a plurality of second pixels PX2 provided in the second area A2).
[0292] When the display device 100 operates in the first mode, the second area A2 of the display panel PN may provide content to the user at a first viewing angle in response to the selection signal provided by the mode selection unit MD.
[0293] Specifically, with further reference to Figure 12 , each of the plurality of second pixels PX2 provided in the second area A2 may operate in a first state in the first mode.
[0294] For example, in the first mode, when a third transistor T3 included in the second pixel PX2 is turned on in response to the selection signal provided through a third selection signal line SSL3, a first driving current is formed in the second pixel PX2, and light emitted from a third light-emitting element ED3 provided in a third lens area LSA3 of the second pixel PX2 by the first driving current is emitted through a third lens LS3 provided in the third lens area LSA3 and configured as a first type of lens 161, so that content can be provided at a first viewing angle.
[0295] In addition, in the first mode, a selection signal held at a cut-off level is provided to a fourth selection signal line SSL4, and a fourth transistor T4 included in the second pixel PX2 remains in a cut-off state, so that a fourth light-emitting element ED4 provided in a fourth lens area LSA4 of the second pixel PX2 can remain in a non-light-emitting state. For example, in the second mode, a current path for a second driving current may not be formed in the second pixel PX2.
[0296] In addition, when the display device 100 operates in the second mode, the second area A2 of the display panel PN may provide content to the user at a second viewing angle in response to the selection signal provided by the mode selection unit MD.
[0297] Specifically, with further reference to Figure 13 , each of the plurality of second pixels PX2 provided in the second area A2 may operate in a second state in the second mode.
[0298] For example, in the second mode, when the fourth transistor T4 included in the second pixel PX2 is turned on in response to a selection signal provided through the fourth selection signal line SSL4, a second driving current is formed in the second pixel PX2, and light emitted from the fourth light-emitting element ED4 disposed in the fourth lens region LSA4 of the second pixel PX2 by the second driving current is emitted through the fourth lens LS4 disposed in the fourth lens region LSA4 and configured as the second type of lens 162, whereby content can be provided from a second viewing angle.
[0299] In addition, in the second mode, a selection signal held at a cut-off level is provided to the third selection signal line SSL3, and the third transistor T3 included in the second pixel PX2 remains in a cut-off state, so that the third light-emitting element ED3 of the second pixel PX2 can remain in a non-light-emitting state. For example, in the second mode, a current path for the first driving current may not be formed in the second pixel PX2.
[0300] Therefore, when the display device 100 operates in the first mode, the second region A2 of the display panel PN provides content to the user from a first viewing angle. When the display device 100 operates in the second mode, the second region A2 of the display panel PN can provide content to the user from a second viewing angle.
[0301] The display device 100 can perform control such that the brightness of the second region A2 corresponds to the input image data IDATA, regardless of the driving mode. For example, the brightness controller LD can create corrected image data CDATA such that the value of the corrected image data CDATA corresponding to the second region A2 is equal to the value of the input image data IDATA.
[0302] Therefore, in each of the first mode in which content is provided to the user from a first viewing angle and the second mode in which content is provided to the user from a second viewing angle, the second pixel PX2 provided in the second region A2 can display an image having a brightness corresponding to the input image data IDATA (hereinafter referred to as "reference brightness L0"). For example, as Figure 12 shown, in the first mode, the third lens region LSA3 of each of the plurality of second pixels PX2 can emit light having the reference brightness L0. As Figure 13 shown, in the second mode, the fourth lens region LSA4 of each of the plurality of second pixels PX2 can emit light having the reference brightness L0.
[0303] In addition, as described above, in both the first mode in which content is provided in a wide viewing angle mode and the second mode in which content is provided in a narrow viewing angle mode, the display device can operate such that the first region A1 of the display panel PN provides content from a first viewing angle.
[0304] For example, when the display device 100 operates in the first mode or the second mode, the first region A1 of the display panel PN may provide content to the user at a first viewing angle in response to a selection signal provided from the mode selection unit MD.
[0305] Specifically, referring to Figure 12 and Figure 13 , in each of the first mode and the second mode, each of the plurality of first pixels PX1 provided in the first region A1 may operate in a third state.
[0306] For example, in each of the first mode and the second mode, when the first transistor T1 included in the first pixel PX1 is turned on in response to a selection signal provided through the first selection signal line SSL1, a first driving current may be formed in the first pixel PX1, and when the second transistor T2 included in the first pixel PX1 is turned on in response to a selection signal provided through the second selection signal line SSL2, a second driving current may be formed in the first pixel PX1. In addition, the light emitted from the first light emitting element ED1 provided in the first lens region LSA1 of the first pixel PX1 by the first driving current is emitted through the first lens LS1 provided in the first lens region LSA1 and configured as the first type of lens 161, and the light emitted from the second light emitting element ED2 provided in the second lens region LSA2 of the first pixel PX1 by the second driving current is emitted through the second lens LS2 provided in the second lens region LSA2 of the first pixel PX1 and configured as the first type of lens 161, so that content can be provided at the first viewing angle.
[0307] In the first mode, the display device 100 may control the brightness of the display panel PN (for example, the first region A1) such that the brightness of the first region A1 increases as the distance from the boundary between the first region A1 and the second region A2 increases. For example, in the first mode, the display device 100 may perform control such that the brightness of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0308] In addition, the display device 100 may perform control such that the brightness of the region of the first region A1 adjacent to the boundary between the first region A1 and the second region A2 has a value substantially equal to or similar to the brightness of the second region A2.
[0309] Referring to Figure 12To describe the present disclosure in more detail, in the first mode, the display device 100 may perform control such that the brightness of the first lens area LSA1 of the first pixel PX1 provided in the first area A1 corresponds to the input image data IDATA. For example, the brightness controller LD may create corrected image data CDATA such that the value of the corrected image data CDATA corresponding to the first lens area LSA1 of each of the plurality of first pixels PX1 provided in the first area A1 is equal to the value of the input image data IDATA. Thus, in the first mode, the first lens area LSA1 of the first pixel PX1 provided in the first area A1 may emit light having a reference brightness L0.
[0310] In addition, in the first mode, the brightness of the second lens area LSA2 of the first pixel PX1 provided in the first area A1 may increase as the distance from the boundary between the first area A1 and the second area A2 increases.
[0311] For example, each of the second lens areas LSA2 of the plurality of first pixels PX1 provided in the first area A1 and in the first column C1 closest to the boundary between the first area A1 and the second area A2 may emit light having a first brightness L1 lower than the reference brightness L0.
[0312] In addition, each of the second lens areas LSA2 of the plurality of first pixels PX1 provided in the first area A1 and in the second column C2 adjacent to the first column C1 in the first direction DR1 may emit light having a second brightness L2 higher than the first brightness L1. In this case, the second brightness L2 may be lower than the reference brightness L0.
[0313] Similarly, each of the second lens areas LSA2 of the plurality of first pixels PX1 provided in the first area A1 and in the third column C3 adjacent to the second column C2 in the first direction DR1 may emit light having a third brightness L3 higher than the second brightness L2. In this case, the third brightness L3 may be lower than the reference brightness L0.
[0314] Similarly, each of the second lens areas LSA2 of the plurality of first pixels PX1 provided in the first area A1 and in the fourth column C4 adjacent to the third column C3 in the first direction DR1 may emit light having a fourth brightness L4 higher than the third brightness L3. In this case, the fourth brightness L4 may be lower than the reference brightness L0.
[0315] Similarly, each of the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 and in the (m-1)-th column Cm-1 adjacent to the m-th column Cm (where m is an integer greater than 0) can emit light having a fifth luminance L5 higher than the fourth luminance L4, and the m-th column Cm is the farthest from the boundary between the first region A1 and the second region A2 in the direction opposite to the first direction DR1. In this case, the fifth luminance L5 can be lower than the reference luminance L0.
[0316] In addition, each of the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 and in the m-th column Cm that is the farthest from the boundary between the first region A1 and the second region A2 can emit light having the reference luminance L0. For example, the display device 100 can perform control such that: the luminance of each of the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the pixel column (e.g., the m-th column Cm) that is the farthest from the boundary between the first region A1 and the second region A2 among the plurality of first pixels PX1 disposed in the first region A1 corresponds to the input image data IDATA.
[0317] As described above, in the first mode, the display device 100 can perform control such that the luminance of each of the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 increases along the first direction DR1, for example, increases as the distance from the boundary between the first region A1 and the second region A2 increases. For example, the display device 100 can perform control such that the luminance of each of the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 increases from the first column C1 to the m-th column Cm. Therefore, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when displaying an image in the first mode can be minimized or alleviated.
[0318] The first luminance L1 of each of the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 can be a luminance substantially corresponding to a black image. For example, the first luminance L1 can have a value of 0. In this case, the luminance of each of the plurality of first pixels PX1 disposed in the first region A1 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 can correspond to the value obtained by adding the reference luminance L0 of the first lens region LSA1 and the first luminance L1 of the second lens region LSA2, so that the value of the luminance of each of the plurality of first pixels PX1 disposed in the first column C1 can have a value substantially equal to or similar to the value of the reference luminance L0.
[0319] Therefore, the luminance of each of the plurality of first pixels PX1 provided in the first region A1 and provided in the first column C1 closest to the boundary between the first region A1 and the second region A2 may have a value that is substantially equal to or similar to the luminance (e.g., the reference luminance L0) of each of the plurality of second pixels PX2 provided in the second region A2. Accordingly, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when an image is displayed in the first mode can be more effectively solved or alleviated.
[0320] However, the embodiments of the present specification are not limited thereto. The second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 and provided in the first column C1 closest to the boundary between the first region A1 and the second region A2 may not emit light.
[0321] In addition, as described with reference to Figure 11 the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 may be provided at a position corresponding to the fourth lens region LSA4 of the fourth lens LS4 provided with the second type of lens 162 among the plurality of second pixels PX2 provided in the second region A2 in terms of the lens arrangement structure. Accordingly, in the first mode, when the display device 100 performs control such that the luminance of the plurality of first pixels PX1 provided in the first region A1 increases in the first direction DR1 (e.g., increases as the distance from the boundary between the first region A1 and the second region A2 increases), the display device 100 controls the luminance of the second lens region LSA2 of the first pixel PX1 corresponding to the fourth lens region LSA4 of the second region A2 that does not emit light in the first mode in terms of the lens arrangement structure, which can more effectively solve or alleviate the problem that the boundary between the first region A1 and the second region A2 is visually recognized.
[0322] In the first mode, the display device 100 may perform control such that the luminance of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 linearly increases in the first direction DR1, e.g., increases as the distance from the boundary between the first region A1 and the second region A2 increases. Accordingly, the problem that the change in the luminance of the first region A1 (e.g., the change in luminance in the first direction DR1) is visually recognized by the user can be minimized or alleviated.
[0323] In addition, as described above, in the second mode, the display device 100 may perform control such that the luminance of the first region A1 corresponds to the input image data IDATA.
[0324] For example, with reference to Figure 13, in the second mode, the display device 100 may perform control such that the brightness of the first lens region LSA1 and the brightness of the second lens region LSA2 of the first pixel PX1 provided in the first region A1 correspond to the input image data IDATA. For example, the brightness controller LD may create corrected image data CDATA such that the value of the corrected image data CDATA corresponding to the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 is equal to the value of the input image data IDATA. Therefore, in the second mode, the first lens region LSA1 of the first pixel PX1 provided in the first region A1 may emit light having a reference brightness L0, and the second lens region LSA2 of the first pixel PX1 provided in the first region A1 may emit light having a reference brightness L0.
[0325] In addition, as described above, in the second mode, both the first lens region LSA1 and the second lens region LSA2 of the first pixel PX1 provided in the first region A1 emit light having a reference brightness L0, which may cause a brightness difference between the image displayed in the first region A1 and the image displayed in the second region A2. However, despite the brightness difference, in the second mode, the image is displayed at a first viewing angle in the first region A1 and at a second viewing angle in the second region A2 such that the problem that the user substantially and visually recognizes the boundary does not occur.
[0326] As described above, according to the driving mode, the display device 100 according to an embodiment of the present specification may display content at a first viewing angle on the display panel PN in the first mode, and display content at a second viewing angle in at least a part (second region) of the display panel PN in the second mode. In this case, the display device 100 according to an embodiment of the present specification may control the brightness of the first region A1 of the display panel PN according to the driving mode such that the brightness of the first region A1 increases as the distance from the boundary between the first region A1 and the second region A2 where the content is provided at the first viewing angle in the first mode increases. In addition, the display device 100 may perform control such that the brightness of the region of the first region A1 adjacent to the boundary between the first region A1 and the second region A2 has a value substantially equal to or similar to the brightness of the second region A2.
[0327] Therefore, the problem that the boundary between the first region A1 and the second region A2 is visually recognized can be solved or alleviated.
[0328] In addition, the configuration has been described above in which in the first mode, the display device 100 controls the brightness of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 and controls the brightness of the plurality of first pixels PX1 provided in the entire first region A1. However, the embodiments of the present specification are not limited thereto.
[0329] Therefore, hereinafter, various embodiments of the present specification will be described in more detail, in which the display device 100 controls the brightness of the first region A1 in the first mode.
[0330] Figure 14 FIG. is a diagram for explaining another example of the operation of the display device according to the embodiment of the present specification in the first mode.
[0331] Figure 14 An embodiment is illustrated in which the display device 100 controls the brightness of a partial region (e.g., the third region A3) of the first region A1 in the first mode.
[0332] In addition, Figure 14 An example of the display panel PN in the case where the display device 100 according to the embodiment of the present specification operates in the first mode is illustrated.
[0333] Referring to Figure 14 , in the first mode, the display device 100 may control the brightness of the display panel PN (e.g., the first region A1) such that the brightness of a partial region (e.g., the third region A3) of the first region A1 increases as the distance from the boundary between the first region A1 and the second region A2 increases. For example, in the first mode, the display device 100 may perform control such that the brightness of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the third region A3 increases as the distance from the boundary between the first region A1 and the second region A2 increases in the third region A3 adjacent to the second region A2 in the first region A1.
[0334] In addition, the display device 100 may perform control such that the brightness of the region adjacent to the boundary between the first region A1 and the second region A2 in the third region A3 has a value substantially equal to or similar to the brightness of the second region A2.
[0335] Therefore, in the first mode, the brightness of the first pixel PX1 provided in the third region A3 adjacent to the second region A2 in the first region A1 may have a value substantially equal to the brightness value of the second region A2 at the portion closest to the second region A2 and increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0336] For example, each second lens region LSA2 of a plurality of first pixels PX1 disposed in the third region A3 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 may emit light having a sixth luminance L6 lower than a reference luminance L0.
[0337] In addition, each second lens region LSA2 of a plurality of first pixels PX1 disposed in the third region A3 and in the second column C2 adjacent to the first column C1 along the first direction DR1 may emit light having a seventh luminance L7 higher than the sixth luminance L6. In this case, the seventh luminance L7 may be lower than the reference luminance L0.
[0338] Similarly, each second lens region LSA2 of each first pixel of a plurality of first pixels PX1 disposed in the third region A3 and in the third column C3 adjacent to the second column C2 along the first direction DR1 may emit light having an eighth luminance L8 higher than the seventh luminance L7. In this case, the eighth luminance L8 may be lower than the reference luminance L0.
[0339] In addition, each second lens region LSA2 of a plurality of first pixels PX1 disposed in the remaining region (e.g., the fourth region A4) of the first region A1 other than the third region A3 may emit light having the reference luminance L0. For example, the display device 100 may perform control such that the luminance of each second lens region LSA2 of a plurality of first pixels PX1 disposed in the remaining region (e.g., the fourth region A4) of the first region A1 among the plurality of first pixels PX1 disposed in the first region A1 corresponds to the input image data IDATA.
[0340] As described above, in the first mode, the display device 100 may perform control such that the luminance of each second lens region LSA2 of a plurality of first pixels PX1 disposed in the third region A3 adjacent to the second region A2 in the first region A1 increases along the first direction DR1, for example, as the distance from the boundary between the first region A1 and the second region A2 increases. For example, the display device 100 may perform control such that the luminance of each second lens region LSA2 of a plurality of first pixels PX1 disposed in the third region A3 increases from the first column C1 to the third column C3. Therefore, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when an image is displayed in the first mode can be minimized or alleviated.
[0341] As referred to Figure 12The described configurations are substantially the same or similar. The sixth luminance L6 of the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the third region A3 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 may be substantially the luminance corresponding to a black image. For example, the sixth luminance L6 may have a value of 0. Thus, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when an image is displayed in the first mode can be solved or alleviated more effectively. However, the embodiments of the present specification are not limited thereto. The second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the third region A3 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 may not emit light.
[0342] In addition, substantially the same or similar to the configuration described with reference to Figure 12 In the first mode, the display device 100 may perform control such that the luminance of the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the third region A3 linearly increases in the first direction DR1. For example, it increases as the distance from the boundary between the first region A1 and the second region A2 increases. Thus, the problem that the luminance change of the third region A3 (e.g., the luminance change in the first direction DR1) is visually recognized by the user can be minimized or alleviated.
[0343] In addition, it has been described that Figure 14 In the configuration in which the third region A3 adjacent to the second region A2 of the first region A1 includes the first to third columns C1, C2, and C3 (e.g., three pixel columns). However, this configuration is provided only for illustrative purposes, and the embodiments of the present specification are not limited thereto. For example, the third region A3 may be designed to include two or fewer pixel columns or be designed to include four or more pixel columns.
[0344] Figure 15 is a diagram for illustrating another example of the operation of the display device according to the embodiment of the present specification in the first mode.
[0345] Figure 15 Illustrates an embodiment in which the display device 100 controls the luminance of the first lens region LSA1 and the second lens region LSA2 of the first pixel PX1 disposed in the first region A1 in the first mode.
[0346] In addition, Figure 15 Illustrates an example of the display panel PN when the display device 100 according to the embodiment of the present specification operates in the first mode.
[0347] With reference to Figure 15, in the first mode, the display device 100 may control the brightness of the display panel PN (e.g., the first region A1) such that the brightness of the first region A1 increases as the distance from the boundary between the first region A1 and the first region A1 increases. For example, in the first mode, the display device 100 may perform control such that the brightness of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 increases as the distance from the boundary between the first region A1 and the first region A1 increases.
[0348] In addition, the display device 100 may perform control such that the brightness of the region of the first region A1 adjacent to the boundary between the first region A1 and the second region A2 has a value substantially equal to or similar to the brightness of the second region A2.
[0349] Therefore, in the first mode, the brightness of the first pixel PX1 provided in the first region A1 may have a value substantially equal to the brightness value of the second region A2 at the portion closest to the second region A2, and increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0350] For example, each of the first lens region LSA1 and the second lens region LSA2 of the plurality of first pixels PX1 provided in the first region A1 and provided in the first column C1 closest to the boundary between the first region A1 and the second region A2 may emit light having a ninth brightness L9 lower than the reference brightness L0.
[0351] In addition, each of the first lens region LSA1 and the second lens region LSA2 of the plurality of first pixels PX1 provided in the first region A1 and provided in the second column C2 adjacent to the first column C1 in the first direction DR1 may emit light having a tenth brightness L10 higher than the ninth brightness L9. In this case, the tenth brightness L10 may be lower than the reference brightness L0.
[0352] Similarly, each of the first lens region LSA1 and the second lens region LSA2 of the plurality of first pixels PX1 provided in the first region A1 and provided in the third column C3 adjacent to the second column C2 in the first direction DR1 may emit light having an eleventh brightness L11 higher than the tenth brightness L10. In this case, the eleventh brightness L11 may be lower than the reference brightness L0.
[0353] Similarly, each of the first lens regions LSA1 and the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 and in the fourth column C4 adjacent to the third column C3 along the first direction DR1 may emit light having a twelfth luminance L12 higher than the eleventh luminance L11. In this case, the twelfth luminance L12 may be lower than the reference luminance L0.
[0354] Similarly, each of the first lens regions LSA1 and the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 and in the (m - 1)-th column Cm-1 adjacent to the m-th column Cm may emit light having a thirteenth luminance L13 higher than the twelfth luminance L12, where the m-th column Cm is the farthest from the boundary between the first region A1 and the second region A2 in the direction opposite to the first direction DR1. In this case, the thirteenth luminance L13 may be lower than the reference luminance L0.
[0355] In addition, each of the first lens regions LSA1 and the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 and in the m-th column Cm that is the farthest from the boundary between the first region A1 and the second region A2 may emit light having the reference luminance L0. For example, the display device 100 may perform control such that: the luminance of each of the first lens regions LSA1 and the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the pixel column (e.g., the m-th column Cm) that is the farthest from the boundary between the first region A1 and the second region A2 among the plurality of first pixels PX1 disposed in the first region A1 corresponds to the input image data IDATA.
[0356] As described above, in the first mode, the display device 100 may perform control such that the luminance of each of the first lens regions LSA1 and the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 increases along the first direction DR1. For example, it increases as the distance from the boundary between the first region A1 and the second region A2 increases. For example, the display device 100 may perform control such that the luminance of each of the first lens regions LSA1 and the second lens regions LSA2 of the plurality of first pixels PX1 disposed in the first region A1 increases from the first column C1 to the m-th column Cm. Therefore, the problem of the boundary between the first region A1 and the second region A2 being visually recognized when displaying an image in the first mode can be minimized or alleviated.
[0357] The brightness of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the first region A1 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 may be a brightness corresponding to half of the reference brightness L0. In this case, the brightness of each of the plurality of first pixels PX1 disposed in the first region A1 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 may correspond to a value obtained by adding a value corresponding to half of the reference brightness L0 (e.g., the ninth brightness L9 of the first lens region LSA1) and a value corresponding to half of the reference brightness L0 (e.g., the ninth brightness L9 of the second lens region LSA2), such that the brightness of each of the plurality of first pixels PX1 disposed in the first column C1 may have a value substantially equal to or similar to the value of the reference brightness L0.
[0358] Accordingly, the brightness of each of the plurality of first pixels PX1 disposed in the first region A1 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 may have a value substantially equal to or similar to the brightness of each of the plurality of second pixels PX2 disposed in the second region A2 (e.g., the reference brightness L0). Accordingly, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when an image is displayed in the first mode can be more effectively solved or alleviated.
[0359] In addition, substantially the same as or similar to the configuration described with reference to Figure 12 In the first mode, the display device 100 may perform control such that the brightness of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the first region A1 linearly increases in the first direction DR1, e.g., as the distance from the boundary between the first region A1 and the second region A2 increases. Accordingly, the problem that the change in the brightness of the first region A1 (e.g., the change in brightness in the first direction DR1) is visually recognized by the user can be minimized or alleviated.
[0360] Figure 16 is a diagram for illustrating another example of the operation of the display device according to an embodiment of the present specification in the first mode.
[0361] Figure 16 Illustrates an embodiment in which the display device 100 controls the brightness of the first lens region LSA1 and the second lens region LSA2 of the first pixels PX1 disposed in a partial region (e.g., the third region A3) of the first region A1 in the first mode.
[0362] In addition, Figure 16An example of the display panel PN when the display device 100 according to an embodiment of the present specification operates in the first mode is illustrated.
[0363] Referring to Figure 16 , in the first mode, the display device 100 may control the brightness of the display panel PN (e.g., the first region A1) such that the brightness of a partial region (e.g., the third region A3) of the first region A1 increases as the distance from the boundary between the first region A1 and the second region A2 increases. For example, in the first mode, the display device 100 may perform control such that the brightness of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the third region A3 increases as the distance from the boundary between the first region A1 and the second region A2 increases in the third region A3 adjacent to the second region A2 in the first region A1.
[0364] In addition, the display device 100 may perform control such that the brightness of the region adjacent to the boundary between the first region A1 and the second region A2 in the third region A3 has a value substantially equal to or similar to the brightness of the second region A2.
[0365] Therefore, in the first mode, the brightness of the first pixel PX1 provided in the third region A3 adjacent to the second region A2 in the first region A1 may have a value substantially equal to the brightness value of the second region A2 at the portion closest to the second region A2, and increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0366] For example, each of the first lens region LSA1 and the second lens region LSA2 of the plurality of first pixels PX1 provided in the third region A3 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 may emit light having a fourteenth brightness L14 lower than the reference brightness L0.
[0367] In addition, each of the first lens region LSA1 and the second lens region LSA2 of the plurality of first pixels PX1 provided in the third region A3 and in the second column C2 adjacent to the first column C1 along the first direction DR1 may emit light having a fifteenth brightness L15 higher than the fourteenth brightness L14. In this case, the fifteenth brightness L15 may be lower than the reference brightness L0.
[0368] Similarly, each of the first lens regions LSA1 and the second lens regions LSA2 of each of the plurality of first pixels PX1 disposed in the third region A3 and in the third column C3 adjacent to the second column C2 along the first direction DR1 may emit light having a sixteenth luminance L16 higher than the fifteenth luminance L15. In this case, the sixteenth luminance L16 may be lower than the reference luminance L0.
[0369] In addition, the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the remaining region of the first region A1 other than the third region A3 may emit light having the reference luminance L0. For example, the display device 100 may perform control such that the luminance of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the remaining region (e.g., the fourth region A4) of the first region A1 other than the third region A3 among the plurality of first pixels PX1 disposed in the first region A1 corresponds to the input image data IDATA.
[0370] As described above, in the first mode, the display device 100 may perform control such that the luminance of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the third region A3 adjacent to the second region A2 in the first region A1 increases along the first direction DR1. For example, it increases as the distance from the boundary between the first region A1 and the second region A2 increases. For example, the display device 100 may perform control such that the luminance of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the third region A3 increases from the first column C1 to the third column C3. Therefore, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when an image is displayed in the first mode can be minimized or alleviated.
[0371] Similar to the configuration described with reference to Figure 15 The fourteenth luminance L14 of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the third region A3 and in the first column C1 closest to the boundary between the first region A1 and the second region A2 may be a luminance substantially corresponding to half of the reference luminance L0. Therefore, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when an image is displayed in the first mode can be solved or alleviated more effectively.
[0372] In addition, similar to the reference Figure 12The described configurations are substantially the same or similar. In the first mode, the display device 100 may perform control such that the brightness of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the third region A3 increases linearly in the first direction DR1. For example, it increases as the distance from the boundary between the first region A1 and the second region A2 increases. Accordingly, the problem that the brightness change of the third region A3 (e.g., the brightness change in the first direction DR1) is visually recognized by the user can be minimized or alleviated.
[0373] In addition, it has been described that Figure 16 a configuration in which the third region A3 adjacent to the second region A2 of the first region A1 includes the first to third columns C1, C2, and C3 (e.g., three pixel columns). However, this configuration is provided only for illustrative purposes, and the embodiments of the present specification are not limited thereto. For example, the third region A3 may be designed to include two or fewer pixel columns or may be designed to include four or more pixel columns.
[0374] Figure 17 is a diagram for illustrating another example of the operation of the display device according to the embodiment of the present specification in the first mode.
[0375] Figure 17 An embodiment in which the display device 100 alternately controls the brightness of the second lens region LSA2 of the first pixel PX1 provided in the first region A1 on a pixel row-by-pixel row basis in the first mode is illustrated.
[0376] In addition, Figure 17 an example of the display panel PN in the case where the display device 100 according to the embodiment of the present specification operates in the first mode is illustrated.
[0377] Referring to Figure 17 , in the first mode, the display device 100 may control the brightness of the display panel PN such that the brightness of the first region A1 increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0378] In the first mode, the display device 100 may perform control such that the brightness of the second lens region LSA2 of each of the plurality of first pixels PX1 increases based on each pixel row as the distance from the boundary between the first region A1 and the second region A2 increases.
[0379] For example, in the first mode, the display device 100 may perform control such that the luminance of the second lens regions LSA2 of the plurality of first pixels PX1 that are disposed in odd-numbered columns (e.g., the first column C1 and the third column C3) and in odd-numbered rows (e.g., the first row R1) among the plurality of first pixels PX1 increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0380] In addition, in the first mode, the display device 100 may perform control such that the luminance of the second lens regions LSA2 of the plurality of first pixels PX1 that are disposed in even-numbered columns (e.g., the second column C2 and the fourth column C4) and in even-numbered rows (e.g., the second row R2) among the plurality of first pixels PX1 increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0381] More specifically, as Figure 17 shown, the second lens region LSA2 of the first pixel PX1 that is disposed in the first region A1, in the first column C1 which is closest to the boundary between the first region A1 and the second region A2, and in an odd-numbered row (e.g., the first row R1) among the plurality of first pixels PX1 in the first column C1 may emit light having a first luminance L1 that is lower than a reference luminance L0.
[0382] In addition, the second lens region LSA2 of the first pixel PX1 that is disposed in an even-numbered row (e.g., the second row R2) among the plurality of first pixels PX1 in the first column C1 may emit light having the reference luminance L0.
[0383] In addition, the second lens region LSA2 of the first pixel PX1 that is disposed in the first region A1, in an even-numbered row (e.g., the second row R2), and in the second column C2 that is adjacent to the first column C1 along the first direction DR1 among the plurality of first pixels PX1 in the second column C2 may emit light having a second luminance L2 that is higher than the first luminance L1. In this case, the second luminance L2 may be lower than the reference luminance L0.
[0384] In addition, the second lens region LSA2 of the first pixel PX1 that is disposed in an odd-numbered row (e.g., the first row R1) among the plurality of first pixels PX1 in the second column C2 may emit light having the reference luminance L0.
[0385] Similarly, the second lens region LSA2 of the first pixel PX1 that is disposed in the first region A1, in an odd-numbered row (e.g., the first row R1), and in the third column C3 that is adjacent to the second column C2 along the first direction DR1 among the plurality of first pixels PX1 in the third column C3 may emit light having a third luminance L3 that is higher than the second luminance L2. In this case, the third luminance L3 may be lower than the reference luminance L0.
[0386] In addition, the second lens region LSA2 of the first pixel PX1 disposed in an even row (e.g., the second row R2) among the plurality of first pixels PX1 disposed in the third column C3 may emit light having a reference luminance L0.
[0387] Similarly, the second lens region LSA2 of the first pixel PX1 disposed in the first region A1 and in an even row (e.g., the second row R2) among the plurality of first pixels PX1 disposed in the fourth column C4 adjacent to the third column C3 in the first direction DR1 may emit light having a fourth luminance L4 higher than the third luminance L3. In this case, the fourth luminance L4 may be lower than the reference luminance L0.
[0388] In addition, the second lens region LSA2 of the first pixel PX1 disposed in an odd row (e.g., the first row R1) among the plurality of first pixels PX1 disposed in the fourth column C4 may emit light having a reference luminance L0.
[0389] Similarly, the second lens region LSA2 of the first pixel PX1 disposed in the first region A1 and in an even row (e.g., the second row R2) among the plurality of first pixels PX1 disposed in the (m - 1)-th column Cm-1 adjacent to the m-th column Cm may emit light having a fifth luminance L5 higher than the fourth luminance L4, and the m-th column Cm is the farthest from the boundary between the first region A1 and the second region A2 in the direction opposite to the first direction DR1. In this case, the fifth luminance L5 may be lower than the reference luminance L0.
[0390] In addition, the second lens region LSA2 of the first pixel PX1 disposed in an odd row (e.g., the first row R1) among the plurality of first pixels PX1 disposed in the (m - 1)-th column Cm-1 may emit light having a reference luminance L0.
[0391] In addition, the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the first region A1 and in the m-th column Cm, which is the farthest from the boundary between the first region A1 and the second region A2, may emit light having a reference luminance L0. For example, the display device 100 may perform control such that: the luminance of the first lens region LSA1 and the second lens region LSA2 of each of the plurality of first pixels PX1 disposed in the pixel column (e.g., the m-th column Cm), which is the farthest from the boundary between the first region A1 and the second region A2, among the plurality of first pixels PX1 disposed in the first region A1, corresponds to the input image data IDATA.
[0392] As described above, in the first mode, the display device 100 may perform control such that the luminance of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 increases in the first direction DR1. For example, based on each pixel row, it increases as the distance from the boundary between the first region A1 and the second region A2 increases. For example, the display device 100 may perform control such that the luminance of the second lens region LSA2 of the plurality of first pixels PX1 provided in the odd-numbered columns (e.g., the first column C1 and the third column C3) among the plurality of first pixels PX1 provided in the odd-numbered rows (e.g., the first row R1) increases from the first column C1 to the m-th column Cm, and the luminance of the second lens region LSA2 of the plurality of first pixels PX1 provided in the even-numbered columns (e.g., the second column C2 and the fourth column C4) among the plurality of first pixels PX1 provided in the even-numbered rows (e.g., the second row R2) increases from the first column C1 to the m-th column Cm. For example, in the first mode, the display device 100 may perform control such that the luminance of the second lens region LSA2 of each of the plurality of first pixels PX1 arranged in a zigzag shape in the first region A1 increases in the first direction DR1 from the boundary between the first region A1 and the second region A2.
[0393] Accordingly, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when displaying an image in the first mode can be minimized or alleviated.
[0394] Substantially the same as or similar to the configuration described with reference to Figure 12 The first luminance L1 of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first column C1 and the odd-numbered rows, which are provided in the first region A1 and closest to the boundary between the first region A1 and the second region A2, may be a luminance substantially corresponding to a black image, for example, having a value of 0. Accordingly, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when displaying an image in the first mode can be solved or alleviated more effectively. However, the embodiments of the present specification are not limited thereto. The second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first column C1 and the odd-numbered rows, which are provided in the first region A1 and closest to the boundary between the first region A1 and the second region A2, may not emit light.
[0395] In addition, substantially the same as or similar to the configuration described with reference to Figure 12The described configurations are basically the same or similar. In the first mode, the display device 100 can perform control so that the brightness of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 increases linearly in the first direction DR1. For example, it increases as the distance from the boundary between the first region A1 and the second region A2 increases. Therefore, the problem that the brightness change of the first region A1 (for example, the brightness change in the first direction DR1) is visually recognized by the user can be minimized or alleviated.
[0396] In addition, it has been described Figure 17 the configuration in: In the first mode, the display device 100 performs control so that as the distance from the boundary between the first region A1 and the second region A2 increases, the brightness of the second lens region LSA2 of the plurality of first pixels PX1 provided in the odd-numbered rows among the plurality of first pixels PX1 provided in the odd-numbered columns increases, and the brightness of the second lens region LSA2 of the plurality of first pixels PX1 provided in the even-numbered rows among the plurality of first pixels PX1 provided in the even-numbered columns increases. However, the present disclosure is not limited thereto. For example, in the first mode, the display device 100 can perform control so that as the distance from the boundary between the first region A1 and the second region A2 increases, the brightness of the second lens region LSA2 of the plurality of first pixels PX1 provided in the even-numbered rows among the plurality of first pixels PX1 provided in the odd-numbered columns increases, and the brightness of the second lens region LSA2 of the plurality of first pixels PX1 provided in the odd-numbered rows among the plurality of first pixels PX1 provided in the even-numbered columns increases.
[0397] Figure 18 is a diagram for explaining another example of the operation of the display device according to an embodiment of the present specification in the first mode.
[0398] Figure 18 is an embodiment in which the display device 100 controls the brightness of the second lens region LSA2 of the first pixels PX1 provided in a partial region (for example, the third region A3) of the first region A1 alternately for each pixel row in the first mode.
[0399] In addition, Figure 18 illustrates an example of the display panel PN when the display device 100 according to an embodiment of the present specification operates in the first mode.
[0400] Referring to Figure 18 , in the first mode, the display device 100 can control the brightness of the first region A1 of the display panel PN so that the brightness of a partial region (for example, the third region A3) of the first region A1 increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0401] In the first mode, the display device 100 (e.g., the luminance controller LD) may perform control such that the luminance of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the third region A3 increases pixel row by pixel row as the distance from the boundary between the first region A1 and the second region A2 increases.
[0402] For example, in the first mode, the display device 100 (e.g., the luminance controller LD) may perform control such that the luminance of the second lens region LSA2 of the plurality of first pixels PX1 provided in the third region A3 and provided in odd rows (e.g., the first row R1) among the plurality of first pixels PX1 provided in odd columns (e.g., the first column C1 and the third column C3) increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0403] In addition, in the first mode, the display device 100 may perform control such that the luminance of the second lens region LSA2 of the plurality of first pixels PX1 provided in the third region A3 and provided in even rows (e.g., the second row R2) among the plurality of first pixels PX1 provided in even columns (e.g., the second column C2) increases as the distance from the boundary between the first region A1 and the second region A2 increases.
[0404] More specifically, as Figure 18 shown, the second lens region LSA2 of the first pixel PX1 provided in the first region A1 and provided in an odd row (e.g., the first row R1) among the plurality of first pixels PX1 provided in the first column C1 closest to the boundary between the first region A1 and the second region A2 may emit light having a sixth luminance L6 lower than the reference luminance L0.
[0405] In addition, the second lens region LSA2 of the first pixel PX1 provided in an even row (e.g., the second row R2) among the plurality of first pixels PX1 provided in the first column C1 may emit light having the reference luminance L0.
[0406] In addition, the second lens region LSA2 of the first pixel PX1 provided in the first region A1 and provided in an even row (e.g., the second row R2) among the plurality of first pixels PX1 provided in the second column C2 adjacent to the first column C1 along the first direction DR1 may emit light having a seventh luminance L7 higher than the sixth luminance L6. In this case, the seventh luminance L7 may be lower than the reference luminance L0.
[0407] In addition, among the plurality of first pixels PX1 provided in the second column C2, the second lens region LSA2 of the first pixel PX1 provided in an odd row (e.g., the first row R1) may emit light having a reference luminance L0.
[0408] Similarly, among the plurality of first pixels PX1 provided in the third column C3 adjacent to the second column C2 along the first direction DR1, the second lens region LSA2 of the first pixel PX1 provided in the first region A1 and in an odd row (e.g., the first row R1) may emit light having an eighth luminance L8 higher than the seventh luminance L7. In this case, the eighth luminance L8 may be lower than the reference luminance L0.
[0409] In addition, the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the remaining region of the first region A1 except for the third region A3 may emit light having a reference luminance L0. For example, the display device 100 may perform control such that the luminance of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the remaining region of the first region A1 except for the third region A3 among the plurality of first pixels PX1 provided in the first region A1 corresponds to the input image data IDATA.
[0410] As described above, in the first mode, the display device 100 may perform control such that the luminance of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the third region A3 increases in the first direction DR1. For example, based on each pixel row, it increases as the distance from the boundary between the first region A1 and the second region A2 increases. Therefore, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when displaying an image in the first mode can be minimized or alleviated.
[0411] Substantially the same or similar to the configuration described with reference to Figure 12 The sixth luminance L6 of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first column C1, which is provided in the first region A1 and in an odd row (e.g., the first row R1) closest to the boundary between the first region A1 and the second region A2, may be a luminance substantially corresponding to a black image, for example, having a value of 0. Therefore, the problem that the boundary between the first region A1 and the second region A2 is visually recognized when displaying an image in the first mode can be more effectively solved or alleviated. However, the embodiments of the present specification are not limited thereto. The second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first column C1, which is provided in the first region A1 and in an odd row (e.g., the first row R1) closest to the boundary between the first region A1 and the second region A2, may not emit light.
[0412] In addition, similar to the referenceFigure 12 The described configurations are substantially the same or similar. In the first mode, the display device 100 may perform control such that the brightness of the second lens region LSA2 of each of the plurality of first pixels PX1 provided in the first region A1 increases linearly in the first direction DR1. For example, it increases as the distance from the boundary between the first region A1 and the second region A2 increases. Accordingly, the problem that the brightness change (e.g., the brightness change in the first direction DR1) of the first region A1 is visually recognized by the user can be minimized or alleviated.
[0413] In addition, it has been described that Figure 18 in the configuration, in the first mode, the display device 100 performs control such that: as the distance from the boundary between the first region A1 and the second region A2 increases, the brightness of the second lens region LSA2 of the plurality of first pixels PX1 provided in the odd-numbered columns and provided in the third region A3 and provided in the odd-numbered rows increases, and the brightness of the second lens region LSA2 of the plurality of first pixels PX1 provided in the even-numbered columns and provided in the third region A3 and provided in the even-numbered rows increases. However, the present disclosure is not limited thereto. For example, in the first mode, the display device 100 may perform control such that: as the distance from the boundary between the first region A1 and the second region A2 increases, the brightness of the second lens region LSA2 of the plurality of first pixels PX1 provided in the odd-numbered columns and provided in the third region A3 and provided in the even-numbered rows increases, and the brightness of the second lens region LSA2 of the plurality of first pixels PX1 provided in the even-numbered columns and provided in the third region A3 and provided in the odd-numbered rows increases.
[0414] In addition, Figure 18 in the configuration, the third region A3 adjacent to the second region A2 in the first region A1 includes the first to third columns C1, C2, and C3, for example, three pixel columns. However, this configuration is provided only for illustrative purposes, and the embodiments of the present specification are not limited thereto. For example, the third region A3 may be designed to include two or fewer pixel columns or may be designed to include four or more pixel columns.
[0415] The display device according to an exemplary embodiment of the present disclosure may also be described as follows:
[0416] A display device according to an exemplary embodiment of the present disclosure includes: a display panel divided into a first region including a plurality of first pixels and a second region adjacent to the first region in a direction opposite to a first direction and including a plurality of second pixels; and a brightness controller configured to control the brightness of the first region. Each of the plurality of first pixels includes a first light-emitting element disposed in a first optical region, a second light-emitting element disposed in a second optical region, a first optical member disposed in the first optical region and configured to emit light generated by the first light-emitting element at a first viewing angle, and a second optical member disposed in the second optical region and configured to emit light generated by the second light-emitting element at the first viewing angle. Each of the plurality of second pixels includes a third light-emitting element disposed in a third optical region, a fourth light-emitting element disposed in a fourth optical region, a third optical region disposed in the third optical region and configured to emit light generated by the third light-emitting element at the first viewing angle, and a fourth optical member disposed in the fourth optical region and configured to emit light generated by the fourth light-emitting element at a second viewing angle smaller than the first viewing angle. The brightness controller controls the brightness of the second optical region included in each of the plurality of first pixels disposed in the first region.
[0417] In a first mode, the first light-emitting element, the second light-emitting element, and the third light-emitting element may emit light, and the fourth light-emitting element may not emit light. In a second mode different from the first mode, the first light-emitting element, the second light-emitting element, and the fourth light-emitting element may emit light, and the third light-emitting element may not emit light.
[0418] In each of the first mode and the second mode, each of the plurality of second pixels disposed in the second region may emit light having a reference brightness.
[0419] In the first mode, the brightness of the second optical region included in each of the plurality of first pixels disposed in the first region may increase in the first direction.
[0420] In the first mode, the brightness of the second optical region included in each of the plurality of first pixels disposed in the first region may be equal to or lower than the reference brightness.
[0421] In the first mode, the brightness of the second optical region included in each of the plurality of first pixels disposed in the column closest to the boundary between the first region and the second region among the plurality of first pixels disposed in the first region corresponds to a black image.
[0422] The brightness controller can also control the brightness of the first optical regions included in each of the plurality of first pixels provided in the first region, and in the first mode, the brightness of the first optical regions and the brightness of the second optical regions included in each of the plurality of first pixels provided in the first region can each increase in the first direction.
[0423] In the first mode, the brightness of the first optical regions and the brightness of the second optical regions included in each of the plurality of first pixels provided in the first region can each be equal to or lower than a reference brightness.
[0424] In the first mode, the brightness of the first optical regions and the brightness of the second optical regions included in each of the plurality of first pixels provided in the column closest to the boundary between the first region and the second region among the plurality of first pixels provided in the first region can correspond to half of the reference brightness.
[0425] The first region can include a third region adjacent to the second region in the first direction and a fourth region adjacent to the third region in the first direction.
[0426] In the first mode, the brightness of the second optical regions included in each of the plurality of first pixels provided in the third region can increase in the first direction.
[0427] In the first mode, the brightness of the second optical regions included in each of the plurality of first pixels provided in the third region can be equal to or lower than the reference brightness.
[0428] The brightness controller can also control the brightness of the first optical regions included in each of the plurality of first pixels provided in the first region, and in the first mode, the brightness of the first optical regions and the brightness of the second optical regions included in each of the plurality of first pixels provided in the third region can each increase in the first direction.
[0429] In the first mode, the brightness of the first optical regions and the brightness of the second optical regions included in each of the plurality of first pixels provided in the third region can each be equal to or lower than the reference brightness.
[0430] In the first mode, the brightness of the second optical regions included in each of the plurality of first pixels provided in the fourth region can be equal to the reference brightness.
[0431] In the first mode, the brightness controller performs control such that the brightness of the second optical regions included in each of the plurality of first pixels provided in the first region can increase based on each pixel row in the first direction.
[0432] The first optical member, the second optical member, and the third optical member may each have a first shape, and the fourth optical member may have a second shape different from the first shape.
[0433] The first light-emitting element and the second light-emitting element emit light of the same color, and the third light-emitting element may emit light of the same color as the fourth light-emitting element.
[0434] Although example embodiments of the present disclosure have been described in detail with reference to the accompanying drawings, the present disclosure is not limited thereto and may be implemented in many different forms without departing from the technical idea of the present disclosure. Accordingly, the example embodiments of the present disclosure are provided for illustrative purposes only and are not intended to limit the technical idea of the present disclosure. The scope of the technical idea of the present disclosure is not limited thereto. Therefore, it should be understood that the above example embodiments are illustrative in all respects and do not limit the present disclosure. The scope of protection of the present disclosure should be construed based on the appended claims, and all technical ideas within the scope of equivalents thereof should be construed as falling within the scope of the present disclosure.
[0435] Cross-reference to related applications
[0436] This application claims the benefit and priority of Korean Patent Application No. 10-2023-0194353, filed in Korea on December 28, 2023, the entire contents of which are hereby expressly incorporated by reference for all purposes as if fully set forth herein.
Claims
1. A display device, comprising: A display panel having a first region including a plurality of first pixels and a second region disposed adjacent to the first region and including a plurality of second pixels; as well as a brightness controller configured to control the brightness of the first area, Wherein, each of the plurality of first pixels comprises: a first light-emitting element, the first light-emitting element being disposed in a first optical region; a second light emitting element, the second light emitting element being disposed in a second optical region; a first optical member disposed in the first optical region and configured to emit light generated from the first light emitting element at a first viewing angle; and a second optical member disposed in the second optical region and configured to emit light generated from the second light emitting element at the first viewing angle, Wherein, each of the plurality of second pixels comprises: a third light-emitting element, the third light-emitting element being disposed in a third optical region; a fourth light-emitting element, the fourth light-emitting element being disposed in a fourth optical region; a third optical member disposed in the third optical region and configured to emit light generated from the third light emitting element at the first viewing angle; and a fourth optical member disposed in the fourth optical region and configured to emit light generated from the fourth light emitting element at a second viewing angle smaller than the first viewing angle, and The brightness controller controls the brightness of the second optical area included in each of the plurality of first pixels disposed in the first area.
2. The display device according to claim 1, wherein: In a first mode, the first light emitting element, the second light emitting element, and the third light emitting element emit light, and the fourth light emitting element does not emit light, and In a second mode different from the first mode, the first light emitting element, the second light emitting element, and the fourth light emitting element emit light, and the third light emitting element does not emit light.
3. The display device according to claim 2, wherein: The second region is disposed adjacent to the first region in a direction opposite to the first direction, and In each of the first mode and the second mode, each of the plurality of second pixels disposed in the second area emits light having a reference brightness.
4. The display device according to claim 3, wherein: In the first mode, the brightness of the second optical area included in each of the plurality of first pixels provided in the first area increases in the first direction.
5. The display device according to claim 4, wherein: In the first mode, the brightness of the second optical area included in each of the plurality of first pixels provided in the first area increases as the distance from a boundary between the first area and the second area increases.
6. The display device according to claim 4, wherein: In the first mode, the luminance of the second optical area included in each of the plurality of first pixels provided in the first area is equal to or lower than the reference luminance.
7. The display device according to claim 6, wherein: In the first mode, brightness of the second optical area included in each of the plurality of first pixels disposed in a column closest to a boundary between the first area and the second area among the plurality of first pixels disposed in the first area corresponds to a black image.
8. The display device according to claim 3, wherein: The brightness controller also controls the brightness of the first optical area included in each of the plurality of first pixels disposed in the first area, and Here, in the first mode, the brightness of the first optical area and the brightness of the second optical area included in each of the plurality of first pixels disposed in the first area each increase in the first direction.
9. The display device according to claim 8, wherein: In the first mode, the luminance of the first optical area and the luminance of the second optical area included in each of the plurality of first pixels provided in the first area are each equal to or lower than the reference luminance.
10. The display device according to claim 9, wherein: In the first mode, the brightness of the first optical area and the brightness of the second optical area included in each of the plurality of first pixels arranged in a column closest to a boundary between the first area and the second area among the plurality of first pixels arranged in the first area correspond to half the reference brightness.
11. The display device according to claim 3, wherein: The first area includes: a third region, the third region being adjacent to the second region in the first direction; and A fourth region, the fourth region is adjacent to the third region in the first direction.
12. The display device according to claim 11, wherein: In the first mode, the brightness of the second optical area included in each of the plurality of first pixels provided in the third area increases in the first direction.
13. The display device according to claim 12, wherein: In the first mode, the brightness of the second optical area included in each of the plurality of first pixels provided in the third area is equal to or lower than the reference brightness.
14. The display device according to claim 11, wherein: The brightness controller also controls the brightness of the first optical area included in each of the plurality of first pixels disposed in the first area, and Here, in the first mode, the brightness of the first optical area and the brightness of the second optical area included in each of the plurality of first pixels disposed in the third area each increase in the first direction.
15. The display device according to claim 14, wherein: In the first mode, the luminance of the first optical area and the luminance of the second optical area included in each of the plurality of first pixels provided in the third area are each equal to or lower than the reference luminance.
16. The display device according to claim 11, wherein: In the first mode, the brightness of the second optical area included in each of the plurality of first pixels provided in the fourth area is equal to the reference brightness.
17. The display device according to claim 3, wherein: In the first mode, the brightness controller performs control such that brightness of the second optical area included in each of the plurality of first pixels provided in the first area is alternately increased on a pixel-by-pixel-row basis in the first direction.
18. The display device according to claim 17, wherein: In the first mode, the brightness controller performs control so that: the brightness of the second optical area included in each of the plurality of first pixels arranged in one of the odd rows and the even rows among the plurality of first pixels arranged in the first area and in the odd columns increases in the first direction, and the brightness of the second optical area included in each of the plurality of first pixels arranged in the other of the odd rows and the even rows among the plurality of first pixels arranged in the first area and in the even columns increases in the first direction.
19. The display device according to claim 3, wherein: In the second mode, the brightness of the second optical area included in each of the plurality of first pixels provided in the first area is equal to the reference brightness.
20. The display device according to claim 1, wherein: The first optical member, the second optical member, and the third optical member each have a first shape, and The fourth optical component has a second shape different from the first shape.
21. The display device according to claim 20, wherein: The first shape is a circular shape, and the second shape is a strip shape extending in one direction.
22. The display device according to claim 1, wherein: The first light emitting element and the second light emitting element emit light of the same color, and The third light emitting element and the fourth light emitting element emit light of the same color.
23. The display device according to claim 1, wherein: Each of the first optical member, the second optical member, the third optical member, and the fourth optical member has a size larger than a light emitting area of a corresponding one of the first to fourth light emitting elements.