Display device

Abstract

A display device may have a structure in which an area of a first recessed portion is larger than an area of a second recessed portion, and a number of lenses included in a first lens corresponding to the first recessed portion is larger than a number of lenses included in a second lens corresponding to the second recessed portion, and the display device can improve light extraction efficiency.

Description

Technical Field

[0001] The present disclosure relates to an electronic device having a display, and more particularly, to a display device such as, but not limited to, a display device. Background Art

[0002] In today's information-oriented society, in order to meet various demands for display devices for displaying images, various types of displays have been developed and widely used, such as liquid crystal displays (LCDs), organic light-emitting displays (OLEDs), micro light-emitting displays (micro LEDs), mini light-emitting displays (mini LEDs), quantum dot light-emitting displays (QLEDs), and the like.

[0003] With the development of information and communication technologies, display devices have become increasingly important for providing various information on a display screen.

[0004] In order to provide various information to a user, a display device may need to have excellent display quality and high luminous efficiency.

[0005] In particular, with the progress of multimedia technologies, luminous efficiency is becoming increasingly important because display devices need to use limited power.

[0006] The luminous efficiency of a display device may depend on the emission efficiency of a light-emitting element included in the display device.

[0007] A display device including a light-emitting element having a high emission efficiency may have excellent luminous efficiency.

[0008] Therefore, in order to improve the luminous efficiency of a display device, it may be necessary to improve the emission efficiency of the light-emitting element.

[0009] However, there are multiple challenges in enhancing the emission efficiency of a light-emitting element.

[0010] The description of related art should not be regarded as prior art merely because it is mentioned in this section or is associated with this section. The description of related art includes information describing one or more aspects of the subject technology, and the description in this section does not limit the present invention. Summary of the Invention

[0011] The inventors of the present disclosure have recognized the problems and needs of the related art, conducted extensive research and experiments, and developed a new invention. One or more aspects of the present disclosure relate to an apparatus that substantially eliminates one or more problems caused by the limitations and disadvantages of the related art.

[0012] One or more aspects of the present disclosure may provide a display device capable of improving light extraction efficiency.

[0013] One or more aspects of the present disclosure may provide a display device capable of being driven at low power based on a structure having high light-emitting characteristics.

[0014] According to one or more aspects of the present disclosure, a display device capable of improving light extraction efficiency may be provided.

[0015] According to one or more aspects of the present disclosure, a display device capable of being driven at low power based on a structure having high light-emitting characteristics may be provided.

[0016] According to one or more exemplary embodiments of the present disclosure, a display device may include: a first light-emitting region; a second light-emitting region; a first concave portion corresponding to the first light-emitting region; a second concave portion corresponding to the second light-emitting region; a first lens corresponding to the first concave portion; and a second lens corresponding to the second concave portion. The area of the first concave portion may be larger than the area of the second concave portion, and the area of the first lens may be larger than the area of the second lens.

[0017] According to one or more exemplary embodiments of the present disclosure, a display device may include: a first light-emitting layer; and a second light-emitting layer. In a first mode, the display device may be configured to emit light from the first light-emitting layer and block light emitted from the second light-emitting layer; and in a second mode, the display device may be configured to emit light from the second light-emitting layer and block light emitted from the first light-emitting layer. In the first mode, the light from the first light-emitting layer may provide a first viewing angle in a first direction and a second viewing angle in a second direction; and in the second mode, the light from the second light-emitting layer may provide a viewing angle in one direction and another viewing angle in another direction. The second light-emitting layer may be different from the first light-emitting layer; the second mode may be different from the first mode; the second direction may be different from the first direction; the another direction may be different from the one direction; and the range of the first viewing angle may be larger than the range of each of the second viewing angle, the viewing angle, and the another viewing angle.

[0018] Additional features, advantages, and aspects of the present disclosure are partially set forth in the following description, and partially will become apparent from the present disclosure, or may be learned by practicing the inventive concepts provided herein. Other features, advantages, and aspects of the present disclosure may be realized and achieved by the description provided in the present disclosure, or may be derived from the description and its claims and the accompanying drawings. All of these features, advantages, and aspects are intended to be included within this description, within the scope of the present disclosure, and protected by the following claims. Nothing in this section shall be construed as a limitation on these claims. Additional aspects and advantages are discussed in conjunction with the embodiments of the present disclosure below.

[0019] It will be understood that both the above description and the following description of the present disclosure are examples, intended to provide further explanation of the claimed present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings are included to provide a further understanding of the present disclosure, are incorporated into and constitute a part of the present disclosure, illustrate aspects and embodiments of the present disclosure, and are used together with the description to explain the principles and examples of the present disclosure. In the drawings:

[0021] Figure 1A is a plan view of an example of a display device configured to allow switching between privacy protection modes and operating in a narrow viewing angle mode according to aspects of the present disclosure;

[0022] Figure 1B is a plan view of an example of a display device configured to allow switching between privacy protection modes and operating in a wide viewing angle mode according to aspects of the present disclosure;

[0023] Figure 2 illustrates an example of a display device detecting a touch based on a self - capacitance touch sensing configuration according to aspects of the present disclosure;

[0024] Figure 3 is an example plan view showing sub - pixels provided in a display area of a display device according to aspects of the present disclosure;

[0025] Figure 4 is provided with according to aspects of the present disclosure Figure 3 an example enlarged plan view of an area of a pixel group PG;

[0026] Figure 5 is provided with according to aspects of the present disclosure Figure 3 another example enlarged plan view of an area of a pixel group PG;

[0027] Figure 6 is a plan view showing examples of a display device configured to allow switching between privacy protection modes and operating in respective privacy protection modes according to aspects of the present disclosure;

[0028] Figure 7A is an example perspective view of a first lens provided in a display device according to an aspect of the present disclosure;

[0029] Figure 7B is an example perspective view of a first lens provided in a display device according to another aspect of the present disclosure;

[0030] Figure 7C is an example perspective view showing a second lens provided in a display device according to aspects of the present disclosure;

[0031] Figure 8A is according to aspects of the present disclosure Figure 4 an example enlarged plan view of a first sub - pixel SP1;

[0032] Figure 8B is an exemplary enlarged plan view of a second sub-pixel SP2 in Figure 4 and Figure 5 in accordance with aspects of the present disclosure;

[0033] Figure 8C is an exemplary enlarged plan view of a third sub-pixel SP3 in Figure 5 in accordance with aspects of the present disclosure;

[0034] Figure 9A is an exemplary cross-sectional view taken along line A-A’ of Figure 4 in accordance with one aspect of the present disclosure;

[0035] Figure 9B is an exemplary cross-sectional view taken along line A-A’ of Figure 4 in accordance with another aspect of the present disclosure;

[0036] Figure 10 is an exemplary cross-sectional view taken along line B-B’ of Figure 5 in accordance with aspects of the present disclosure; and

[0037] Figure 11 is an exemplary cross-sectional view taken along line C-C’ of Figure 5 in accordance with aspects of the present disclosure.

[0038] 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. For clarity, illustration, and / or convenience, the dimensions, lengths, and thicknesses of layers, regions, and elements may be exaggerated in their depiction. Detailed Description

[0039] Reference will now be made in detail to embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings. In the following description, when a detailed description of well-known methods, functions, structures, or configurations may unnecessarily obscure aspects of the present disclosure, the detailed description thereof may be omitted for the sake of brevity. Additionally, repeated descriptions may be omitted for the sake of brevity. The progression of the described processing steps and / or operations is a non-limiting example.

[0040] The order of steps and / or operations is not limited to the order set forth herein, and may be changed to occur in an order different from the order described herein, except for steps and / or operations that must occur in a specific order. In one or more examples, two consecutive operations may be performed substantially simultaneously, or the two operations may be performed in the reverse order or in a different order depending on the functions or operations involved.

[0041] Unless otherwise specified, similar reference numerals may always refer to similar elements even if shown in different figures. Unless otherwise specified, throughout the specification and the drawings, the same reference numerals may be used to refer to the same or substantially the same elements. In one or more aspects, unless otherwise specified, the same elements (or elements with the same name) in different figures may have the same or substantially the same functions and properties. The names of the various elements used in the following description are chosen for convenience only and may thus be different from the names used in actual products.

[0042] The advantages and features of the present disclosure and the methods for realizing them are illustrated by the embodiments described with reference to the accompanying drawings. However, the present disclosure may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are examples provided to make the present disclosure thorough and complete, to help those skilled in the art understand the inventive concept, rather than to limit the scope of the present disclosure. In addition, the present disclosure is defined by the scope of the claims and their equivalents.

[0043] The shapes, dimensions (such as size, length, width, height, thickness, position, radius, diameter, and area), ratios, rates, angles, quantities, number of elements, etc. (including those shown in the drawings) disclosed herein are only examples, and thus, the present disclosure is not limited to the details shown. However, it should be noted that the relative dimensions of the components shown in the drawings are part of the present disclosure.

[0044] When terms such as "comprising", "having", "including", "constituting", "made of", "formed of", "composed of", etc. are used with respect to one or more elements (such as layers, films, components, lenses, electrodes, filters, sections, members, parts, regions, portions, steps, operations, etc.), one or more other elements may be added unless terms such as "only" are used. The terms used in the present disclosure are only used to describe specific example embodiments and are not intended to limit the scope of the present disclosure. Unless the context clearly indicates otherwise, singular terms may include plural forms. For example, an element may be one or more elements. An element may include a plurality of elements. The word "exemplary" is used to mean serving as an example or illustration. An embodiment is an example embodiment. An aspect is an example aspect. In one or more implementations, "embodiment", "example", "aspect", etc. should not be construed as being more preferred or advantageous than other implementations. Unless otherwise specified, an embodiment, an example, an example embodiment, an aspect, etc. may refer to one or more embodiments, one or more examples, one or more example embodiments, one or more aspects, etc. In addition, the term "may" encompasses all meanings of the term "can".

[0045] In one or more aspects, unless explicitly stated otherwise, an element, feature, or corresponding information (e.g., level, range, dimension, size, etc.) is interpreted as including an error or tolerance range, even if no explicit description of such error or tolerance range is provided. The error or tolerance range may be caused by various factors (e.g., process factors, internal or external shocks, noise, etc.). When interpreting a numerical value, unless explicitly stated otherwise, the value is interpreted as including an error range.

[0046] When using any of the terms indicating position, such as "on", "above", "upon", "over", "below", "beneath", "upper", "superior", "lower", "inferior", "underneath", "near", "next to", "adjacent to", "beside", "on one side of", etc., to describe the positional relationship between two elements (e.g., layer, film, component, lens, electrode, filter, section, member, part, region, portion, etc.), unless a more restrictive term such as "immediately", "directly", or "proximate" is used, one or more other elements may be located between the two elements. For example, when using any of the above terms to describe one element and another element, such description should be interpreted as including the case where the elements are in direct contact with each other and the case where one or more additional elements are disposed or interposed therebetween. In addition, spatial relative terms such as the above terms and other terms, e.g., "front", "rear", "left", "right", "top", "bottom", "upper", "lower", "downward", "upward", "column", "row", "vertical", "horizontal", "diagonal", etc., refer to any reference system. For example, these terms can be used to illustrate the relative relationship between elements, including any correlation shown in the drawings. However, the embodiments of the present disclosure are not limited thereto. Except for the orientations depicted in the drawings or described herein, spatial relative terms will be understood to include terms for different orientations of elements in use or operation. For example, in the case where the lower element or the element located below another element is flipped, the element may be referred to as the upper element or the element located above another element. Thus, for example, the term "below" or "lower" may, in its meaning, encompass the term "above" or "upper". Example terms such as "beneath" etc. may include all directions, including the "downward" direction, the "upward" direction, and diagonal directions. Similarly, example terms such as "above", "upper", etc. may include all directions, including the "upward" direction, the "downward" direction, and diagonal directions.

[0047] When describing time relationships, when the time sequence is described as, for example, "after", "then", "subsequently", "next", "before", etc., non - consecutive or non - sequential cases may be included, so unless a more restrictive term such as "just", "immediately", "directly" is used, one or more other events may occur therebetween.

[0048] It will be understood that although terms such as "first", "second", etc. may be used herein to describe various elements (e.g., layers, films, components, lenses, electrodes, filters, sections, members, parts, regions, portions, steps, operations, etc.), these elements should not be limited by these terms, e.g., to any particular order, precedence, or number of elements. These terms are only used to distinguish one element from another. For example, without departing from the scope of the present disclosure, a first element may represent a second element, and similarly, a second element may represent a first element. In addition, without departing from the scope of the present disclosure, the first element, the second element, etc. may be arbitrarily named according to the convenience of those skilled in the art. For clarity, the function or structure of these elements (e.g., the first element, the second element, etc.) is not limited by the ordinal number or name in front of the element. In addition, the first element may include one or more first elements. Similarly, the second element, etc. may include one or more second elements, etc.

[0049] When describing the elements of the present disclosure, terms such as "first", "second", "A", "B", "(a)", "(b)", etc. may be used. These terms are intended to identify the corresponding elements from other elements, and these are not used to define the nature, basis, order, or number of the elements.

[0050] For example, the expression that an element (e.g., a layer, a film, a component, a lens, an electrode, a filter, a section, a member, a part, a region, a portion, etc.) is "joined" to another element may be understood that the element may be directly or indirectly joined to the other element. Terms such as "joined" or similar expressions may refer to terms such as "covered", "surrounded", "contacted", "overlapped", "crossed", "intersected", "connected", "coupled", "attached", "adhered", "combined", "linked", "provided", "set", "interacted", etc. Unless otherwise specified, joining may involve one or more intermediate elements disposed or interposed between the element and the other element. In addition, unless otherwise specified, an element may be at least partially or entirely (or completely) joined to another element. In addition, an element may be included in at least one of two or more elements joined to each other. Similarly, the other element may be included in at least one of two or more elements joined to each other. When an element is joined to another element, at least a part of the element may be joined to at least a part of the other element. The term "to another element" or similar expressions may be appropriately understood as "another element" or "to another element, in another element, or on another element" according to the context. Similarly, the term "each other" may be appropriately understood as "each other" or "to each other, in each other, or on each other" according to the context.

[0051] For example, the phrase "through" may be understood as at least partially through or completely through.

[0052] Terms such as "line" or "direction" should not be interpreted solely based on the geometric relationship that the corresponding lines or directions are parallel, perpendicular, diagonal, or inclined to each other, and may mean lines or directions with a broader directivity within the range operable for the functions of the components in the present disclosure. For example, terms such as "first direction", "second direction", "third direction", etc. (or terms such as first direction FD, second direction SD, third direction TD, etc.) should not be interpreted solely based on the geometric relationship that the corresponding directions are parallel, perpendicular, diagonal, or inclined to each other, and may mean directions with a broader directivity within the range operable for the functions of the components in the present disclosure.

[0053] The term "at least one" should be understood to include any and all combinations of one or more of the relevant listed items. For example, each of the phrases "at least one of the first item, the second item, or the third item" and "at least one of the first item, the second item, and the third item" may represent (i) a combination of items provided by two or more of the first item, the second item, and the third item or (ii) only one of the first item, the second item, or the third item. In addition, "at least some", "at least some parts", "at least a part", "at least one or more parts", "at least some of the plurality of elements", "one or more", etc. among the plurality of elements may represent (i) one element among the plurality of elements, (ii) a part of the plurality of elements, (iii) one or more parts of the plurality of elements, (iv) a plurality of elements among the plurality of elements, or (v) all of the plurality of elements. In addition, "at least some", "at least some parts", "at least a part", "at least one or more parts", etc. of an element may represent (i) a part of the element, (ii) one or more parts of the element, or (iii) all parts of the element.

[0054] The expression of the first element, the second element "and / or" the third element should be understood to be one of the first, second, and third elements or any or all combinations of the first, second, and third elements. As an example, A, B, and / or C may refer to only A; only B; only C; any one of A, B, and C (e.g., A, B, or C); some combinations of A, B, and C (e.g., A and B; A and C; or B and C); or all of A, B, and C. In addition, the expression "A / B" may be understood as A and / or B. For example, the expression "A / B" may refer to only A; only B; A or B; or A and B.

[0055] In one or more aspects, unless otherwise specified, for convenience only, the terms "between" and "among" may be used interchangeably. For example, the expression "between a plurality of elements" may be understood as among a plurality of elements. In another example, the expression "among a plurality of elements" may be understood as between a plurality of elements. In one or more examples, the number of elements may be two. In one or more examples, the number of elements may be more than two. Further, when an element (e.g., a layer, a film, a component, a lens, an electrode, a filter, a section, a member, a part, a region, a portion, etc.) is referred to as being "between" at least two elements, the element may be the only element between the at least two elements, or there may also be one or more intermediate elements.

[0056] In one or more aspects, unless otherwise specified, for convenience only, the phrases "each other" and "one another" may be used interchangeably. For example, the expression "different from each other" may be understood as different from one another. In another example, the expression "different from one another" may be understood as different from each other. In one or more examples, the number of elements involved in the above expressions may be two. In one or more examples, the number of elements involved in the above expressions may be more than two.

[0057] In one or more aspects, unless otherwise specified, for convenience only, the phrases "one or more of..." and "one or more among..." may be used interchangeably.

[0058] The term "or" means "inclusive or", rather than "exclusive or". That is, unless otherwise specified or clear from the context, the expression "x uses a or b" means any one in a natural inclusive arrangement. For example, "a or b" may mean "a", "b", "a and b". For example, "a, b, or c" may mean "a", "b", "c", "a and b", "b and c", "a and c", or "a, b, and c".

[0059] The phrases "substantially the same" or "almost the same" may indicate the degree to which, considering minor differences caused by errors in manufacturing processes, they are regarded as equivalent to each other.

[0060] The features of the various embodiments of the present disclosure may be partially or fully coupled or combined with each other, may be technically related to each other, and may be operated, linked, or driven together in various ways. The embodiments of the present disclosure may be implemented or executed independently of each other, or may be implemented or executed together in a mutually dependent or related relationship. In one or more aspects, the components of the various devices and apparatuses according to the various embodiments of the present disclosure are operatively coupled and configured.

[0061] Unless otherwise defined, the terms (including technical and scientific terms) used herein have the same meanings as commonly understood by those of ordinary skill in the art to which the exemplary embodiments pertain. It should also be understood that terms such as those defined in common dictionaries should be interpreted as having meanings that are consistent with, for example, their meanings in the context of the relevant art, and should not be interpreted in an idealized or overly formal sense unless expressly defined otherwise herein.

[0062] The terms used herein are selected as general terms in the relevant technical field; however, depending on the development and / or changes in technology, conventions, preferences of those skilled in the art, etc., there may be other terms. Therefore, the terms used herein should not be construed as limiting the technical concept, but should be understood as examples of the terms used to describe the exemplary embodiments.

[0063] In addition, in specific cases, the applicant may arbitrarily select terms, and in such cases, their detailed meanings are described herein. Therefore, the terms used herein should be understood not only based on the names of the terms, but also based on their meanings and contents.

[0064] In the following description, various exemplary embodiments of the present disclosure are described in more detail with reference to the accompanying drawings. Regarding the reference numerals of the elements in the respective drawings, the same elements may be shown in other drawings, and unless otherwise stated, similar reference numerals may refer to similar elements. The same or similar elements may be denoted by the same reference numeral even if depicted in different drawings. Additionally, for convenience of description, the proportions, dimensions, sizes, and thicknesses of the respective elements shown in the drawings may be different from the actual proportions, dimensions, sizes, and thicknesses. Therefore, the embodiments of the present disclosure are not limited to the proportions, dimensions, sizes, and thicknesses shown in the drawings.

[0065] Figure 1A and Figure 1B are plan views of an example in which a display device 100 configured to allow switching between privacy protection modes is installed in front of a passenger seat of a vehicle such as an automobile and operates in a narrow viewing angle mode and a wide viewing angle mode, respectively, as privacy protection modes.

[0066] As Figure 1A and Figure 1B shown, a display device 100 capable of switching between a wide viewing angle mode and a narrow viewing angle mode may be installed in a portion of the vehicle located in front of the passenger seat.

[0067] However, the position where the display device 100 according to aspects of the present disclosure is installed in a vehicle is not limited thereto. For example, the display device 100 that can be switched between privacy protection modes can be installed in various positions, such as a portion in front of the driver's seat, the rear of the passenger seat, the rear of the driver's seat, etc. of the vehicle. In addition, the position where the display device 100 is provided is not limited to a vehicle, and the display device 100 can be provided anywhere where privacy protection is required or desired.

[0068] As Figure 1A shown, while operating in a narrow viewing angle mode, the display device 100 can present an image with a brightness of 1% or higher to a passenger, but can present an image with a brightness less than 1% to a driver.

[0069] For example, since visible brightness is provided only to a passenger sitting in the passenger seat and not to a driver sitting in the driver's seat, privacy protection can be provided only to the passenger sitting in the passenger seat.

[0070] As Figure 1B shown, while operating in a wide viewing angle mode, the display device 100 can present an image with a brightness of 1% or higher to both the passenger and the driver, whereby both the passenger and the driver can share the image.

[0071] According to this configuration, in the wide viewing angle mode, visible brightness can be provided to a driver sitting in the driver's seat and a passenger sitting in the passenger seat.

[0072] Figure 2 An example is shown in which the display device 100 according to aspects of the present disclosure detects a touch based on a self - capacitance touch sensing configuration.

[0073] Referring to Figure 2 , in an example where the display device 100 detects a touch based on a self - capacitance touch sensing configuration, each of the plurality of touch sensors 200 provided in the display device 100 can be used as both a driving touch electrode (to which a driving signal is applied) and a sensing touch electrode (from which a sensing signal is detected).

[0074] For example, a driving signal can be applied to each touch sensor 200, and a sensing signal can be received from each touch sensor 200 to which the driving signal is applied.

[0075] Therefore, in an example where a self - capacitance touch sensing configuration is applied, the touch sensor 200 is divided into a driving sensor (or electrode) and a sensing sensor (or electrode).

[0076] When applying a self - capacitance touch - sensing configuration, the touch - sensing circuit TSC can supply a drive signal to one or more touch sensors 200, receive a sense signal from the one or more touch sensors 200 to which the drive signal is applied, and based on the received sense signal, detect whether a touch is applied and / or the position (or touch coordinates) of the touch based on a change in capacitance between the one or more touch sensors and an object such as a finger, a pen, or a conductive object.

[0077] Referring Figure 2 , in order to transmit the drive signal and the sense signal, each of the plurality of touch sensors 200 can be electrically connected to a corresponding one of the plurality of conductive pads in the pad 500 via a corresponding one of the plurality of touch lines 300.

[0078] The pad 500 including the conductive pads to which the touch lines 300 are connected can be connected to a touch - sensing circuit (not shown).

[0079] The touch - sensing circuit (not shown) can supply a touch drive signal to at least one of the plurality of touch sensors 200 and detect whether a touch is applied and / or the position (or touch coordinates) of the touch in response to the touch drive signal.

[0080] Referring Figure 2 , the plurality of touch sensors 200 can be disposed above or on a substrate of a plurality of sub - pixels provided in a display device.

[0081] It should be noted that Figure 2 the arrangement of the plurality of sub - pixels shown is an example, and aspects of the present disclosure are not necessarily limited thereto.

[0082] Referring Figure 2 , for example, the shape extending along the edge of each of the plurality of touch sensors 200 can be a rhombus shape, or in some aspects, a rectangular shape (which can include a square shape). However, aspects of the present disclosure are not limited thereto. For example, the touch sensor 200 can have various shapes.

[0083] Although Figure 2 an example of a display device 100 having a self - capacitance touch - sensing configuration is shown, the touch - sensing configuration applied to the display device 100 according to aspects of the present disclosure is not limited thereto. For example, the display device 100 can have a mutual - capacitance touch - sensing configuration.

[0084] In an example where the display device 100 has a mutual - capacitance touch - sensing configuration, the display device 100 can include a plurality of connection patterns electrically connected to at least one of the plurality of touch sensors.

[0085] Figure 3 is an exemplary plan view of sub - pixels provided in a display area of a display device 100 according to aspects of the present disclosure.

[0086] Referring to Figure 3 , each pixel disposed in the display area A / A of the display device 100 may include sub-pixels capable of emitting lights of different colors to present a color image.

[0087] The sub-pixels may include a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B.

[0088] The sub-pixels may further include white sub-pixels. However, for the sake of description, discussions on the Figure 3 configuration are provided based on an example in which the pixel includes a red sub-pixel R, a green sub-pixel G, and a blue sub-pixel B.

[0089] In one or more aspects, each red sub-pixel R, each green sub-pixel G, and each blue sub-pixel B may have different areas to achieve switching between privacy protection modes.

[0090] For example, on a plane defined along a first direction FD and a second direction SD, a plurality of sub-pixels disposed in the display device and including a first sub-pixel and a second sub-pixel (with an area smaller than that of the first sub-pixel) may be disposed in the display area A / A of the display device 100.

[0091] In such a configuration, a privacy protection system capable of switching between a wide viewing angle mode and a narrow viewing angle mode may be implemented by differently designing the sizes and arrangements of the sub-pixels included in the pixel group PG among the sub-pixels disposed in the Figure 3 display area A / A of the display device 100.

[0092] However, the sizes and arrangement orders of the sub-pixels disposed in the display device 100 to achieve switching between privacy protection modes are not limited thereto. In one or more aspects, discussions on the display device 100 capable of switching between privacy protection modes are provided based on the arrangement of three first sub-pixels with large areas and fourteen second sub-pixels with small areas included in the pixel group PG in the Figure 3 configuration.

[0093] Each sub-pixel included in the pixel group PG may include a pixel circuit and a light-emitting element.

[0094] Figure 4 is an enlarged plan view of an area set according to aspects of the present disclosure Figure 3 of the pixel group PG.

[0095] Referring to Figure 4 , in one or more aspects, a plurality of recessed portions 400 may be disposed in a plurality of sub-pixels included in the pixel group PG.

[0096] In one or more aspects, when viewed in a plane defined by a first direction FD and a second direction SD, a plurality of planarization layers 600 (also referred to as corresponding portions of the planarization layer 600) may be adjacent to or disposed around a plurality of recessed portions 400.

[0097] Referring Figure 4 , the pixel group PG may include a plurality of first sub-pixels SP1 and a plurality of second sub-pixels SP2.

[0098] Some sub-pixels (SP1 and SP2) may emit light of different colors.

[0099] For example, each first sub-pixel SP1 may include a red sub-pixel R capable of emitting red light, a green sub-pixel G capable of emitting green light, and / or a blue sub-pixel B capable of emitting blue light.

[0100] For example, each second sub-pixel SP2 may include a red sub-pixel R capable of emitting red light, a green sub-pixel G capable of emitting green light, and / or a blue sub-pixel B capable of emitting blue light.

[0101] It should be noted here that, as Figure 4 shown in the plan view of, the arrangement of the sub-pixels (SP1 and SP2) and the arrangement of the red sub-pixel R, the green sub-pixel G, and the blue sub-pixel B are an example of an applicable example. Therefore, aspects of the present disclosure are not necessarily limited thereto, and various combinations may be applied in the display device 100.

[0102] Sub-pixels that emit light of different colors may include open areas having different areas or sizes.

[0103] For example, the area of the open area of each blue sub-pixel B that emits blue light may be the largest, and the area of the open area of each red sub-pixel R that emits red light may be the smallest.

[0104] This is because the characteristics of the light-emitting elements included in sub-pixels that emit light of different colors may be different from each other.

[0105] However, aspects of the present disclosure are not necessarily limited thereto. For example, the open areas of the sub-pixels may have the same area regardless of color.

[0106] Referring Figure 4 , the recessed portions provided in any one of the first sub-pixels SP1 may surround a part of the open area in the first sub-pixel, and the recessed portions provided in any one of the second sub-pixels SP2 may surround the open area in the second sub-pixel.

[0107] Here, for example, the opening region of the second sub-pixel being surrounded by the recessed portion may mean that when viewed in a plane defined by the first direction FD and the second direction SD, the recessed portion completely surrounds the outer edge of the opening region of the second sub-pixel.

[0108] Referring to Figure 4 , the planarization layer 600 (or a portion of the planarization layer 600) may be disposed adjacent to one or more side surfaces (or one or more lateral surfaces) of the plurality of lenses (LEN1, LEN2).

[0109] For example, the planarization layer 600 (or a part of the planarization layer 600) in the first sub-pixel SP1 may be disposed adjacent to one or more side surfaces (or one or more lateral surfaces) of the first lens LEN1 disposed in the first sub-pixel SP1, and the planarization layer 600 (or another part of the planarization layer 600) in the second sub-pixel SP2 may surround the second lens LEN2.

[0110] Here, for example, the second lens LEN2 being surrounded by the planarization layer 600 (or another part of the planarization layer 600) may mean that when viewed in a plane defined by the first direction FD and the second direction SD, the planarization layer 600 (or another part of the planarization layer 600) completely surrounds the outer edge of the second lens LEN2.

[0111] Figure 5 is an enlarged plan view of another example of a region set according to the pixel group PG of aspects of the present disclosure. Figure 3

[0112] It should be noted that Figure 5 the configurations of the red sub-pixel R, the green sub-pixel G, and the blue sub-pixel B may be substantially the same as those of the red sub-pixel R, the green sub-pixel G, and the blue sub-pixel B described in Figure 4 .

[0113] It should also be noted that the configurations of the recessed portion 400 and the planarization layer 600 (or a portion of the planarization layer 600) provided in Figure 5 may be substantially the same as those of the recessed portion 400 and the planarization layer 600 (or a portion of the planarization layer 600) provided in Figure 4 .

[0114] Referring to Figure 5 , one or more first lenses LEN1 and one or more second lenses LEN2 may each include a plurality of lenses.

[0115] In this implementation manner, the number of lenses included in the first lens LEN1 and the number of lenses included in the second lens LEN2 may not be particularly limited. For example, it may be preferable that the number of lenses included in the first lens LEN1 is greater than the number of lenses included in the second lens LEN2.

[0116] In an example where the number of lenses included in the first lens LEN1 is greater than the number of lenses included in the second lens LEN2, the ratio of some of the light scattered randomly by the lenses among the light extracted from the portion located below the lenses may increase. Thus, in the wide viewing angle mode, the light emitting efficiency and the viewing angle of the display device 100 may increase.

[0117] In one or more examples, different from the first lens LEN1, it may be preferable that the second lens LEN2 has a smaller number of lenses. More preferably, the number of lenses included in the second lens LEN2 may be 1.

[0118] In an example where the number of lenses included in the second lens LEN2 is 1, the ratio of some of the light scattered randomly by the lenses among the light extracted from the portion located below the lenses may increase. Thus, it may be convenient to implement the display device 100 in the narrow viewing angle mode.

[0119] Figure 5 It is shown that the number of lenses included in the first lens is 3 and the number of lenses included in the second lens is 1, but aspects of the present disclosure are not necessarily limited thereto.

[0120] In one or more aspects, the respective number of lenses included in the first lens or the respective number of lenses included in the second lens may be different from each other.

[0121] Referring to Figure 5 , the planarization layer 600 (or a portion of the planarization layer 600) may be disposed adjacent to one or more sides (or one or more side surfaces) of the plurality of lenses (LEN1, LEN2).

[0122] For example, the planarization layer 600 (or a part of the planarization layer 600) in the third sub-pixel SP3 may be disposed adjacent to one or more sides (or one or more side surfaces) of the first lens LEN1 disposed in the third sub-pixel SP3, and the planarization layer 600 (or another part of the planarization layer 600) in the second sub-pixel SP2 may surround the second lens LEN2.

[0123] For example, among a first microlens LEN1a, a second microlens LEN1b, and a third microlens LEN1c included in a first lens, a planarization layer 600 (or a part of the planarization layer 600) may be disposed adjacent to corresponding side surfaces (or lateral surfaces) of the first microlens LEN1a and the third microlens LEN1c.

[0124] Figure 6 is a plan view showing examples of operations of a display device configured to allow switching between privacy protection modes in respective privacy protection modes according to aspects of the present disclosure.

[0125] Figure 6 shows Figure 4 an example of a pixel group PG.

[0126] Referring to Figure 6 , the display device 100 may operate in one of a wide viewing angle mode and a narrow viewing angle mode that can be switched with each other according to the convenience of a user (e.g., Figure 1A and Figure 1B a passenger or a driver).

[0127] In the wide viewing angle mode, in order to have a wide viewing angle, the display device 100 may be configured to allow corresponding light emitting regions of respective first sub-pixels SP1 having a large area to emit light, and not allow corresponding light emitting regions of respective second sub-pixels SP2 having an area smaller than that of the first sub-pixels SP1 to emit light (i.e., in an off state).

[0128] In the narrow viewing angle mode, in order to have a narrow viewing angle, the display device 100 may be configured to allow corresponding light emitting regions of respective second sub-pixels SP2 having an area smaller than that of the first sub-pixels SP1 to emit light, and not allow corresponding light emitting regions of respective first sub-pixels SP1 having a large area to emit light (i.e., in an off state).

[0129] In an example where the display device 100 is installed in a part of a vehicle located in front of a passenger seat, in the wide viewing angle mode, visible brightness may be provided to a driver sitting in a driver's seat and a passenger sitting in a passenger seat.

[0130] In the narrow viewing angle mode, visible brightness may be provided only to a passenger sitting in a passenger seat, and not to a driver sitting in a driver's seat. Accordingly, privacy protection may be provided only to a passenger sitting in a passenger seat.

[0131] Figure 7A , Figure 7B and Figure 7C are example perspective views of a first lens LEN1 and a second lens LEN2 provided in the display device 100 according to aspects of the present disclosure.

[0132] Figure 7AThis is an exemplary perspective view of the first lens LEN1 disposed in the display device 100 according to one aspect of the present disclosure.

[0133] Referring to Figure 7A , the first lens LEN1 corresponding to the first sub-pixel SP1 may have a semi-cylindrical shape having a diameter C1 in the first direction FD, a diameter C2 in the second direction SD, and a height C3 in the third direction TD.

[0134] The diameter C2 of the first lens LEN1 in the second direction SD may be greater than the diameter C1 in the first direction FD.

[0135] Although Figure 7A the first lens LEN1 is shown as having a semi-cylindrical shape, this may be an example of an applicable example, and aspects of the present disclosure are not limited thereto. For example, the first lens LEN1 may have various shapes according to the shape of the opening area of the first sub-pixel SP1.

[0136] For example, the height C3 in the third direction TD may be half of the diameter C1 in the first direction FD, but aspects of the present disclosure are not limited thereto. For example, the height C3 in the third direction TD may be greater than or less than half of the diameter C1 in the first direction FD.

[0137] Figure 7B This is an exemplary perspective view of the first lens LEN1 disposed in the display device 100 according to another aspect of the present disclosure.

[0138] Referring to Figure 7B , the first lens LEN1 corresponding to the first sub-pixel SP1 may have a shape in which a plurality of lenses (LEN1a, LEN1b, LEN1c) are provided, and each of the plurality of lenses has a diameter C1 in the first direction FD, a diameter C2 in the second direction SD, and a height C3 in the third direction TD.

[0139] The number of lenses included in the first lens LEN1 is not particularly limited. For the sake of discussion, Figure 7B an example in which the number of lenses included in the first lens LEN1 is three is shown.

[0140] The first lens LEN1 may include a first microlens LEN1a, a second microlens LEN1b, and a third microlens LEN1c.

[0141] The sum of the respective diameters of the first microlens LEN1a, the second microlens LEN1b, and the third microlens LEN1c may be equal to the diameter C2 of the first lens LEN1 in the second direction SD.

[0142] The respective diameters of the first microlens LEN1a, the second microlens LEN1b, and the third microlens LEN1c are not particularly limited. Based on an example where the respective diameters of the first microlens LEN1a, the second microlens LEN1b, and the third microlens LEN1c are C2 / 3, a discussion of the configuration regarding Figure 7B is provided.

[0143] Although Figure 7B shows that the first lens LEN1 has a shape in which hemispheres are arranged side by side, this may be an example of an applicable example, and aspects of the present disclosure are not limited thereto. For example, the first lens LEN1 may have various shapes according to the shape of the opening region of the first sub-pixel SP1.

[0144] For example, the height C3 in the third direction TD may be half of the diameter C1 in the first direction FD, but aspects of the present disclosure are not limited thereto. For example, the height C3 in the third direction TD may be greater than or less than half of the diameter C1 in the first direction FD.

[0145] Figure 7C is an exemplary perspective view showing the second lens LEN2 provided in the display device 100 according to aspects of the present disclosure.

[0146] Referring to Figure 7C , the second lens LEN2 corresponding to the second sub-pixel SP2 may have a hemispherical shape having a diameter S1 in the first direction FD, a diameter S2 in the second direction SD, and a height S3 in the third direction TD.

[0147] The diameter S2 of the second lens LEN2 in the second direction SD and the diameter S1 in the first direction FD may be the same as each other.

[0148] Although Figure 7C shows that the second lens LEN2 has a hemispherical shape, this may be an example of an applicable example, and aspects of the present disclosure are not limited thereto. For example, the second lens LEN2 may have various shapes according to the shape of the opening region of the second sub-pixel SP2.

[0149] For example, the height S3 in the third direction TD may be half of the diameter S1 in the first direction FD, but aspects of the present disclosure are not limited thereto. For example, the height C3 in the third direction TD may be greater than or less than the diameter S1 in the first direction FD.

[0150] Figure 8A , Figure 8B and Figure 8C are exemplary enlarged plan views of the first sub-pixel SP1, the second sub-pixel SP2, and the third sub-pixel SP3 in Figure 4 and Figure 5 according to aspects of the present disclosure.

[0151] Reference Figure 8A , the first sub-pixel SP1 may include a first opening region OPN1 in the first sub-pixel and a first recessed portion 410 surrounding the first opening region OPN1.

[0152] For example, the first recessed portion 410 may be formed along the short side of the first opening region OPN1.

[0153] However, aspects of the present disclosure are not necessarily limited thereto. For example, the first recessed portion 410 may be formed along the long side of the first opening region OPN1, formed by surrounding both the short side and the long side of the first opening region OPN1, or formed into various other shapes. An example based on the first recessed portion 410 being formed along the short side of the first opening region OPN1 provides a discussion regarding Figure 8A the configuration of.

[0154] The first recessed portion 410 may include a flat portion and an inclined portion surrounding the flat portion.

[0155] In this implementation, the first opening region OPN1 may be surrounded by the inclined portion of the first recessed portion 410.

[0156] In one or more aspects, the light-emitting region of the first sub-pixel SP1 may be depicted or represented by the first opening region OPN1. In some examples, the light-emitting region of the first sub-pixel SP1 may be depicted or represented by the first opening region OPN1 and the first inclined portion SLO1 (see, for example Figure 9A ).

[0157] For example, the light-emitting region of the first sub-pixel SP1 may be substantially the same as or nearly the same as the first opening region OPN1.

[0158] Herein, for example, substantially the same or nearly the same may mean the degree of being regarded as equivalent to each other, considering minor differences caused by errors in the manufacturing process.

[0159] The first sub-pixel SP1 may include a first lens LEN1 corresponding to the first opening region OPN1.

[0160] Figure 8A The first lens LEN1 of Figure 7A may be substantially the same as the first lens LEN1 discussed above in

[0161] The first lens LEN1 may cover the first opening region OPN1 in the first sub-pixel SP1 and the recessed portion provided in the first sub-pixel SP1.

[0162] For example, the recessed portion provided in the first sub-pixel SP1 being covered by the first lens LEN1 may include, for example, the first lens LEN1 covering all or part of the recessed portion provided in the first sub-pixel SP1.

[0163] The first lens LEN1 may cause the propagation path of the light emitted in the first opening region OPN1 to change to improve the emission efficiency. For example, the first lens LEN1 may be provided corresponding to the first opening region OPN1, and the shape of the first lens LEN1 may also correspond to the shape of the first opening region OPN1. However, the shape of the first lens LEN1 according to aspects of the present disclosure is not necessarily limited to the shape of the first opening region OPN1. For example, the first lens LEN1 may have various shapes according to design requirements.

[0164] Referring to Figure 8A , the recessed portion 410 provided in the first sub-pixel SP1 may surround a part of the first opening region OPN1 in the first sub-pixel SP1.

[0165] In one or more aspects, referring to Figure 8A , the first planarization layer 610 provided in the first sub-pixel SP1 may be provided adjacent to the side surface (or lateral surface) of the first lens LEN1.

[0166] For example, the first planarization layer 610 provided in the first sub-pixel SP1 may surround a corresponding part of the side surface of the first lens LEN1.

[0167] When the first recessed portion 410 and the first planarization layer 610 are provided as in the configuration of Figure 8A , the light from the first opening region OPN1 in the first sub-pixel SP1 may be widely extracted in the second direction SD through the first recessed portion 410 and the first planarization layer 610. At the same time, although the viewing angle in the first direction FD may be reduced by the first lens LEN1, the viewing angle in the second direction SD may be improved. Thus, a wide viewing angle mode desired by the user can be achieved.

[0168] Referring to Figure 8B , the second sub-pixel SP2 may include a second opening region OPN2 in the second sub-pixel and a second recessed portion 420 surrounding the second opening region OPN2.

[0169] The second recessed portion 420 may include a flat portion and an inclined portion surrounding the flat portion.

[0170] In this implementation, the second opening region OPN2 may be surrounded by the inclined portion of the second recessed portion 420.

[0171] In one or more aspects, the light-emitting region of the second sub-pixel SP2 may be depicted or represented by the second opening region OPN2. In some examples, the light-emitting region of the second sub-pixel SP2 may be depicted or represented by the second opening region OPN2 and the second inclined portion SLO2 (see, for example Figure 9A ).

[0172] For example, the light-emitting region of the second sub-pixel SP2 may be substantially the same as or nearly the same as the second opening region OPN2.

[0173] The second sub-pixel SP2 may include a second lens LEN2 corresponding to the second opening region OPN2.

[0174] Figure 8B The second lens LEN2 of Figure 7C may be substantially the same as the second lens LEN2 discussed above in

[0175] The second lens LEN2 may change the propagation path of the light emitted in the second opening region OPN2 to improve the emission efficiency. For example, the second lens LEN2 may be arranged corresponding to the second opening region OPN2, and the shape of the second lens LEN2 may also correspond to the shape of the second opening region OPN2. However, the shape of the second lens LEN2 according to aspects of the present disclosure is not necessarily limited to the shape of the second opening region OPN2. For example, the second lens LEN2 may have various shapes according to design requirements.

[0176] Referring to Figure 8B , the recessed portion 420 provided in the second sub-pixel SP2 may surround the second opening region OPN2 in the second sub-pixel SP2.

[0177] In one or more aspects, referring to Figure 8B , the second planarization layer 620 provided in the second sub-pixel SP2 may be adjacent to the side surface (or lateral surface) of the second lens LEN2.

[0178] For example, the second planarization layer 620 provided in the second sub-pixel SP2 may surround the lateral surface of the second lens LEN2.

[0179] When the second recessed portion 420 and the second planarization layer 620 are arranged as in the configuration of Figure 8B , since the second opening region OPN2 is surrounded by the inclined portion of the second recessed portion 420, the extraction of light from the second recessed portion 420 may be improved or maximized, and although the viewing angle in the first direction FD may be reduced by the second lens LEN2, the light may be directed forward. Thus, a narrow viewing angle mode desired by the user may be achieved.

[0180] Referring to Figure 8C, the recessed portion 410 provided in the third sub-pixel SP3 can surround a part of the first opening region OPN1 in the third sub-pixel SP3.

[0181] In one or more aspects, referring to Figure 8C , the first planarization layer 610 provided in the third sub-pixel SP3 can be disposed adjacent to the side surface (or lateral surface) of the first lens LEN1.

[0182] For example, the first planarization layer 610 provided in the third sub-pixel SP3 can surround a corresponding portion of the lateral surface of the first lens LEN1.

[0183] For example, among the first microlens LEN1a, the second microlens LEN1b, and the third microlens LEN1c included in the first lens, the planarization layer 610 can be disposed adjacent to the corresponding side surfaces (or lateral surfaces) of the first microlens LEN1a and the third microlens LEN1c.

[0184] When the first recessed portion 410 and the first planarization layer 610 are arranged as in Figure 8C the configuration, the light from the first opening region OPN1 in the first sub-pixel SP1 can be widely extracted in the second direction SD through the first recessed portion 410 and the first planarization layer 610. At the same time, although the viewing angle in the first direction FD can be reduced by the first lens LEN1, the viewing angle in the second direction SD can be improved. Thus, a wide viewing angle mode desired by the user can be achieved.

[0185] In an example where the number of lenses included in the first lens LEN1 is large, the ratio of some of the light randomly scattered by the lenses among the light extracted from the portion located below the lenses can be increased. Thus, in the wide viewing angle mode, the luminous efficiency and the viewing angle of the display device 100 can be increased.

[0186] Figure 9A is an example cross-sectional view taken along line A - A’ according to one aspect of the present disclosure. Figure 4 of the line A - A’.

[0187] Figure 9A The configuration can represent a part of the regions of the multiple sub-pixel regions and the non-display regions provided in the display device 100 according to the aspects of the present disclosure.

[0188] Referring to Figure 9A, in one or more aspects, the display device 100 may include a substrate 1100, an insulating layer 1210 disposed above the substrate 1100, a first electrode layer 1310 disposed on the insulating layer 1210, a bank layer 1330 disposed on the first electrode layer 1310 and the insulating layer 1210, a light-emitting layer 1320 disposed on the first electrode layer 1310, a second electrode layer 1340 disposed on the light-emitting layer 1320 (see, for example, 1320G and 1320R) and the bank layer 1330, a packaging layer 1350 disposed on the second electrode layer 1340, a touch buffer layer 1360 disposed on the packaging layer 1350, a touch interlayer insulating layer 1370 disposed on the touch buffer layer 1360, and at least one planarization layer (1381, 1382) disposed on the touch interlayer insulating layer 1370.

[0189] The display device 100 may include a first transistor disposed above the substrate 1100 and a light-emitting element (e.g., an organic light-emitting element, an organic light-emitting diode, etc.) electrically connected to the first transistor in a display area.

[0190] The first transistor may include a first active layer 1121, a first gate electrode layer 1122, a first source electrode layer 1123, and a first drain electrode layer 1124.

[0191] The light-emitting element may include a first electrode layer 1310, a light-emitting layer 1320, and a second electrode layer 1340.

[0192] In one or more aspects, the first electrode layer 1310 may be an anode electrode layer, and the second electrode layer 1340 may be a cathode electrode layer, but the aspects of the present disclosure are not limited thereto.

[0193] A first metal pattern 1127 may be disposed on the substrate 1100.

[0194] A first buffer layer 1110 may be disposed on the substrate 1100 and the first metal pattern 1127, and a second buffer layer 1111 may be disposed on the first buffer layer 1110.

[0195] The first active layer 1121 of the first transistor may be disposed on the second buffer layer 1111.

[0196] A first gate insulating layer 1112 may be disposed on the first active layer 1121, and a first gate electrode layer 1122 may be disposed on the first gate insulating layer 1112.

[0197] A first interlayer insulating layer 1113 may be disposed on the first gate electrode layer 1122, a third buffer layer 1114 may be disposed on the first interlayer insulating layer 1113, a second gate insulating layer 1115 may be disposed on the third buffer layer 1114, and a second interlayer insulating layer 1116 may be disposed on the second gate insulating layer 1115.

[0198] The second metal pattern 1128, the first source electrode layer 1123, and the first drain electrode layer 1124 may be disposed on the second interlayer insulating layer 1116.

[0199] The first source electrode layer 1123 and the first drain electrode layer 1124 may be configured to be spaced apart from each other on the second interlayer insulating layer 1116.

[0200] The first source electrode layer 1123 and the first drain electrode layer 1124 may contact corresponding portions of the first active layer 1121 through holes in the first gate insulating layer 1112, the first interlayer insulating layer 1113, the third buffer layer 1114, the second gate insulating layer 1115, and the second interlayer insulating layer 1116.

[0201] As described above, the first transistor may be disposed above the substrate 1100, but the configuration of the first transistor according to aspects of the present disclosure is not limited thereto.

[0202] In one or more aspects, the first active layer 1121 may be disposed above the substrate 1100, the first gate electrode layer 1122 may be disposed on the first active layer 1121, the first source electrode layer 1123 may be disposed on the first active layer 1121 and configured to overlap a first portion of the first active layer 1121, and the first drain electrode layer 1124 may be configured to overlap a second opposite portion of the first active layer 1121.

[0203] The insulating layer 1210 may be configured to cover the first transistor.

[0204] The insulating layer 1210 may include an organic material, but aspects of the present disclosure are not limited thereto.

[0205] The insulating layer 1210 may include a first insulating layer 1211, a second insulating layer 1212, and a third insulating layer 1213.

[0206] For example, the first insulating layer 1211 may be configured to cover the first transistor, the second insulating layer 1212 may be disposed on the first insulating layer 1211, and the third insulating layer 1213 may be disposed on the second insulating layer 1212.

[0207] However, aspects of the present disclosure are not necessarily limited thereto. The first insulating layer 1211 may be a single layer or include four or more insulating layers.

[0208] The insulating layer 1210 may be disposed in a plurality of sub-pixels and may include a plurality of recessed portions 400 each located in a corresponding one of the plurality of sub-pixels. Herein, the term "recessed portion" may also be referred to as an open portion.

[0209] An example in which an insulating layer 1210 is provided in red sub-pixels R and green sub-pixels G and includes a second recessed portion 420 and a first recessed portion 410 located in the red sub-pixel and the green sub-pixel respectively provides a discussion about Figure 9A the configuration of.

[0210] The insulating layer 1210 may include a peripheral portion that surrounds and is located around the recessed portion 400.

[0211] Each recessed portion 400 may include a flat portion FLT and an inclined portion SLO that surrounds the flat portion FLT.

[0212] For example, the second insulating layer 1212 may include the flat portion FLT, and the third insulating layer 1213 may include the inclined portion SLO.

[0213] However, aspects of the present disclosure are not limited thereto. For example, one of the insulating layers included in the insulating layer 1210 may include both the flat portion FLT and the inclined portion SLO of the recessed portion 400.

[0214] The flat portion FLT of the recessed portion 400 may be a portion whose surface is parallel to the surface of the substrate 1100, and the inclined portion SLO may be a portion that surrounds the flat portion FLT and has a surface that is inclined at a predetermined angle with respect to the surface of the substrate 1100.

[0215] For example, the surface of the inclined portion SLO may not be parallel to the surface of the substrate 1100.

[0216] The first recessed portion 410 may include a first flat portion FLT1 and a first inclined portion SLO1 that surrounds the first flat portion FLT1.

[0217] The second recessed portion 420 may include a second flat portion FLT2 and a second inclined portion SLO2 that surrounds the second flat portion FLT2.

[0218] In one or more aspects, the insulating layer 1210 may have contact holes spaced apart from the recessed portion 400.

[0219] In one or more aspects, the first electrode layer 1310 may be disposed on the recessed portion 400 and the peripheral portion of the insulating layer 1210 in at least one sub-pixel.

[0220] As described above, in at least one sub-pixel, the insulating layer 1210 may include at least one contact hole spaced apart from the recessed portion 400, and the first transistor and the first electrode layer 1310 of a light-emitting element (e.g., an organic light-emitting element, an organic light-emitting diode, etc.) may be electrically connected through the contact hole of the insulating layer 1210.

[0221] The bank layer 1330 may be disposed on the insulating layer 1210 and include at least one opening area OPN in at least one sub-pixel.

[0222] The bank layer 1330 may include an opening area OPN that exposes a part of the upper surface of the first electrode layer 1310 in an area overlapping with the recessed portion 400.

[0223] The opening area OPN may correspond to a part of the flat portion FLT.

[0224] For example, the correspondence between the opening area OPN and the part of the flat portion FLT may mean that the opening area OPN overlaps with the part of the flat portion FLT in the sub-pixel.

[0225] Therefore, at least one sub-pixel may have an area where the first electrode layer 1310 does not overlap with the bank layer 1330.

[0226] At least one opening area OPN may include a first opening area OPN1 and a second opening area OPN2.

[0227] The first opening area OPN1 in the first sub-pixel among the plurality of sub-pixels may be larger (e.g., wider) than the second opening area OPN2 in the second sub-pixel among the plurality of sub-pixels.

[0228] The light-emitting layer 1320 of the light-emitting element may be disposed on a portion of the first electrode layer 1310 that does not overlap with the bank layer 1330.

[0229] The light-emitting layer 1320 may be disposed on the first electrode layer 1310 and the bank layer 1330.

[0230] The second electrode layer 1340 of the light-emitting element may be disposed on the light-emitting layer 1320.

[0231] In one or more aspects, the light-emitting layer 1320 of the light-emitting element may be formed by a deposition or coating method having linearity.

[0232] For example, the light-emitting layer 1320 may be formed by a physical vapor deposition method (PVD).

[0233] In an example where the light-emitting layer 1320 is formed by this method, an area having a predetermined angle with respect to the substrate 1100 may have a thickness smaller than that of an area parallel to the substrate 1100.

[0234] Therefore, when the light-emitting element is driven, in an area where the thickness of the light-emitting layer 1320 is relatively thin, that is, in an area corresponding to the inclined portion of the recessed portion 400, the current density may be the highest. Therefore, a strong electric field may be generated in an area corresponding to the inclined portion of the recessed portion 400.

[0235] Accordingly, the emission characteristics of the light-emitting elements in the region corresponding to the inclined portion of the recessed portion 400 and the emission characteristics of the light-emitting elements in the region corresponding to the flat portion of the recessed portion 400 can be different from each other, and thus, the deterioration of the light-emitting elements may be accelerated.

[0236] In one or more aspects, the light-emitting layer 1320 may include a red light-emitting layer 1320R for the red sub-pixel R, a green light-emitting layer 1320G for the green sub-pixel G, and a blue light-emitting layer 1320B for the blue sub-pixel B. For example, the light-emitting layers (1320R, 1320G, and 1320B) may be organic light-emitting layers.

[0237] Figure 9A An example is shown in which the red light-emitting layer 1320R is provided in the second sub-pixel and the green light-emitting layer 1320G is provided in the first sub-pixel, but aspects of the present disclosure are not necessarily limited thereto.

[0238] In one or more aspects, the bank layer 1330 may be configured to cover the inclined portion of the recessed portion 400. Accordingly, the acceleration of the deterioration of the light-emitting elements in the region corresponding to the inclined portion of the recessed portion 400 can be prevented, and the difference in emission characteristics between regions can be prevented.

[0239] However, the thickness conditions of the light-emitting layer 1320 according to aspects of the present disclosure are not limited thereto, and in each part of the light-emitting layer 1320, the light-emitting layer 1320 may have a corresponding thickness.

[0240] In one or more aspects, the first electrode layer 1310 may include a reflective metal.

[0241] Figure 9A An example is shown in which the first electrode layer 1310 has a single layer, but aspects of the present disclosure are not limited thereto. The first electrode layer 1310 may include multiple layers.

[0242] For example, in an example where the first electrode layer 1310 includes multiple layers, at least one of the multiple layers may have a reflective metal.

[0243] For example, the first electrode layer 1310 may include at least one of (Al), neodymium (Nd), nickel (Ni), titanium (Ti), tantalum (Ta), copper (Cu), silver (Ag), and aluminum alloy, but aspects of the present disclosure are not limited thereto.

[0244] The second electrode layer 1340 may include a conductive material that transmits or semi-transmits light.

[0245] For example, the second electrode layer 1340 may include at least one of transparent conductive oxides such as indium tin oxide (ITO), indium zinc oxide (IZO), indium tin zinc oxide (ITZO), zinc oxide, tin oxide, etc., or may include a semi-transmissive metal such as magnesium (Mg), silver (Ag), an alloy of Mg and Ag, etc.

[0246] For example, in an example where the second electrode layer 1340 includes a semi-transmissive metal, the thickness of the second electrode layer 1340 may be less than the thickness of the first electrode layer 1310.

[0247] In one or more aspects, the first metal pattern 1127, the second metal pattern 1128 electrically connected to the first metal pattern 1127, and the third metal pattern 1129 disposed on the first insulating layer 1211 may be disposed above the substrate 1100.

[0248] The first metal pattern 1127 may be used as a capacitor or for shielding light from below the first metal pattern 1127 or the substrate 1100.

[0249] The second metal pattern 1128 may contact the first metal pattern 1127 through holes in the first buffer layer 1110, the second buffer layer 1111, the first gate insulating layer 1112, the first interlayer insulating layer 1113, the third buffer layer 1114, the second gate insulating layer 1115, and the second interlayer insulating layer 1116.

[0250] The third metal pattern 1129 may contact the first source electrode layer 1123 through a hole in the first insulating layer 1211 and contact the first electrode layer 1310 through holes in the second insulating layer 1212 and the third insulating layer 1213.

[0251] For example, the third metal pattern 1129 may electrically interconnect the first source electrode layer 1123 and the first electrode layer 1310.

[0252] In one or more aspects, as Figure 9A shown, the storage capacitor Cst may be disposed in the display area A / A.

[0253] The storage capacitor Cst may include a first storage capacitor electrode layer 1125 disposed in the same layer as the first gate electrode layer 1122 and a second storage capacitor electrode layer 1126 disposed on the first interlayer insulating layer 1113. However, the structure of the storage capacitor according to aspects of the present disclosure is not limited thereto.

[0254] As Figure 9A shown, the second storage capacitor electrode layer 1126 may form a capacitor with a second gate electrode layer 1131 of a second transistor different from the first transistor.

[0255] The second active layer 1130 of the second transistor may be disposed on the third buffer layer 1114.

[0256] The second gate insulating layer 1115 may be disposed on the second active layer 1130, and the second gate electrode layer 1131 may be disposed on the second gate insulating layer 1115.

[0257] The second interlayer insulating layer 1116 may be disposed on the second gate electrode layer 1131, and the insulating layer 1210 may be disposed on the second interlayer insulating layer 1116.

[0258] The second source electrode layer 1132 and the second drain electrode layer 1133 may be disposed on the second interlayer insulating layer 1116.

[0259] The second source electrode layer 1132 and the second drain electrode layer 1133 may be configured to be spaced apart from each other on the second interlayer insulating layer 1116.

[0260] The second source electrode layer 1132 and the second drain electrode layer 1133 may contact corresponding portions of the second active layer 1130 through holes in the second interlayer insulating layer 1116.

[0261] In one or more aspects, at least one encapsulation layer 1350 may be disposed on the second electrode layer 1340 of the light-emitting element.

[0262] The encapsulation layer 1350 may include a first encapsulation layer 1351 disposed on the second electrode layer 1340, a second encapsulation layer 1352 disposed on the first encapsulation layer 1351, and a third encapsulation layer 1353 disposed on the second encapsulation layer 1352.

[0263] In an example where the encapsulation layer 1350 includes multiple layers, at least one of the multiple layers may include an inorganic insulating material, and at least another layer may include an organic insulating material.

[0264] For example, each of the first encapsulation layer 1351 and the third encapsulation layer 1353 may include an inorganic insulating material, and the second encapsulation layer 1352 may include an organic insulating material, but aspects of the present disclosure are not limited thereto.

[0265] The encapsulation layer 1350 disposed on the light-emitting element may prevent moisture or unwanted physical or particulate penetration into the light-emitting element (e.g., an organic light-emitting element, an organic light-emitting diode, etc.).

[0266] A plurality of black substrates 220 may be disposed on the third encapsulation layer 1353.

[0267] The black substrate 220 may include a material having a low reflectivity.

[0268] For example, the black substrate 220 may include carbon black, a dye, or a resin.

[0269] The touch interlayer insulating layer 1370 may be disposed on the third encapsulation layer 1353 and the black substrate 220.

[0270] The lower planarization layer 1381 may be disposed on the touch interlayer insulating layer 1370.

[0271] The lower planarization layer 1381 may be disposed adjacent to the sides (or side surfaces) of the plurality of lenses LEN.

[0272] The plurality of touch sensors 210 may be disposed on the lower planarization layer 1381 and the touch interlayer insulating layer 1370.

[0273] The touch sensor 210 may be transparent or opaque.

[0274] The upper planarization layer 1382 may be disposed on the plurality of touch sensors 210.

[0275] Since the upper planarization layer 1382 is configured to cover the lens LEN, the display device may provide an advantage of generating excellent brightness by extracting the light trapped in the substrate 1100 by total reflection or the like.

[0276] The refractive index of the upper planarization layer 1382 may be smaller than the refractive index of the plurality of lenses LEN.

[0277] Since the refractive index of the upper planarization layer 1382 is smaller than the refractive index of the lens LEN, the propagation path of the light emitted from the light-emitting element may be controlled in a desired direction.

[0278] The lens LEN may include a first lens LEN1 corresponding to the first recessed portion 410 provided in the first sub-pixel and a second lens LEN2 corresponding to the second recessed portion 420 provided in the second sub-pixel.

[0279] Here, for example, the lens LEN corresponding to the recessed portion 400 may mean that each lens LEN is configured to overlap all or part of the corresponding recessed portion 400 in one sub-pixel.

[0280] Since each lens LEN is disposed in a region corresponding to the corresponding recessed portion 400, for example, the light pointing to the outside of the display device after being emitted from the light-emitting layer 1320 and the light pointing to the outside of the display device after being reflected by the reflective metal included in the first electrode layer 1310 provided in the inclined portion SLO of the recessed portion 400 after being emitted from the light-emitting layer 1320 may be effectively dispersed.

[0281] Since the light dispersed by the lens LEN can be extracted to the outside of the display device without total reflection at the interface between the display device and the external air, the brightness of the display device can be improved by the lens LEN.

[0282] In one or more aspects, the respective thicknesses of the first lens LEN1 and the second lens LEN2 are not particularly limited, but it may be preferable that the thickness of the second lens LEN2 is greater than the thickness of the first lens LEN1.

[0283] For example, the thickness of the lens having the maximum thickness among the lenses included in the second lens LEN2 may be greater than the thickness of the lens having the maximum thickness among the lenses included in the first lens LEN1.

[0284] In an example where the thickness of the second lens LEN2 is greater than the thickness of the first lens LEN1, the second lens LEN2 can be implemented as a relatively thick lens, which results in the advantage of being able to focus light, and the first lens LEN1 can be implemented as a relatively thin lens, which results in the advantage of being able to include multiple lenses. Thus, light can be randomly scattered.

[0285] The thickness of the lens having the maximum thickness among the lenses included in the second lens LEN2 may be greater than 2 um and less than 10 um, but aspects of the present disclosure are not limited thereto.

[0286] The thickness of the lens having the maximum thickness among the lenses included in the first lens LEN1 may be 0.1 um or greater and 2 um or less, but aspects of the present disclosure are not limited thereto.

[0287] Referring to Figure 9A , the color filter CF may be disposed between the touch interlayer insulating layer 1370 and the lenses (LEN1 and LEN2).

[0288] In one or more aspects, the color filter CF may be disposed in the same layer as the layer where the lower planarization layer 1381 is disposed.

[0289] As Figure 9A shown, for example, the green color filter CF1 may be disposed between the touch interlayer insulating layer 1370 and the first lens LEN1, and the red color filter CF2 may be disposed between the touch interlayer insulating layer 1370 and the second lens LEN2.

[0290] Since the color filter CF is disposed between the touch interlayer insulating layer 1370 and the lenses (LEN1 and LEN2), the display device can provide the advantage of high brightness efficiency.

[0291] As Figure 9A shown, the green color filter CF1 and the red color filter CF2 may be disposed between the touch buffer layer 1360 and the layer where the plurality of touch sensors 210 are disposed.

[0292] In one or more aspects, the plurality of connection patterns 1400 may be disposed in the layer where the black substrate 220 is disposed.

[0293] The connection pattern 1400 may include a first connection pattern 1410 disposed on the touch buffer layer 1360 and a second connection pattern 1420 electrically connected to at least one of the plurality of touch sensors 210.

[0294] The first connection pattern 1410 and the second connection pattern 1420 may be in contact through a hole formed in the touch interlayer insulating layer 1370.

[0295] At least one dam 1500 may be disposed outside the upper planarization layer 1382.

[0296] For example, the display device may include a first dam 1510 disposed outside the encapsulation layer 1350 and a second dam 1520 disposed outside the upper planarization layer 1382.

[0297] Herein, for example, the first dam 1510 and the second dam 1520 may respectively refer to a lower dam and an upper dam.

[0298] Figure 9A An example is shown in which the first dam 1510 and the second dam 1520 are disposed above the substrate 1100, but aspects of the present disclosure are not limited thereto. For example, the number of dams 1500 disposed above the substrate 1100 may be appropriately changed according to the size of the display device or other requirements.

[0299] In one or more aspects, Figure 9A An example is shown in which the first dam 1510 has two partitions and the second dam 1520 has one partition, but aspects of the present disclosure are not limited thereto. For example, each dam may be configured with a plurality of partitions.

[0300] Since the upper planarization layer 1382 provided for flattening the lens LEN is formed by inkjet printing, by providing the second dam 1520, ink leakage to the outside of the first dam 1510 during inkjet printing can be prevented.

[0301] In one or more aspects, one or more touch lines 300 may be disposed on the touch interlayer insulating layer 1370.

[0302] Two or more touch sensors 210 may be electrically connected to each other through one or more connection patterns 1400, whereby a driving touch electrode line or a sensing touch electrode line may be formed.

[0303] Figure 9A An example is shown in which the touch sensor 210 and the touch line 300 are disposed in the same layer, but aspects of the present disclosure are not limited thereto. For example, the touch sensor 210 and the touch line 300 may be disposed in different layers.

[0304] The touch line 300 may be disposed on the first dam 1510 and extend to the pad 500 disposed outside the first dam 1510 and including a conductive pad.

[0305] The touch line 300 may be electrically connected to the pad 500.

[0306] For example, the touch line 300 may be electrically connected to a corresponding one of the conductive pads included in the pad 500 disposed in the non-display area.

[0307] The conductive pad of the pad 500 to which the touch line 300 is connected may be connected to a touch sensing circuit (not shown).

[0308] The touch sensing circuit (not shown) may supply a touch driving signal to at least one of the plurality of touch sensors 200 and detect whether a touch is applied and / or the position (or touch coordinates) of the touch in response to the touch driving signal.

[0309] The touch line 300, the touch interlayer insulating layer 1370, the touch buffer layer 1360, and the encapsulation layer 1350 may be disposed on the first dam 1510 and configured to overlap with the first dam 1500, but aspects of the present disclosure are not limited thereto.

[0310] The passivation layer 1390 may be disposed on the planarization layer 1380 and the second dam 1520.

[0311] The passivation layer 1390 may prevent moisture or undesired substances or particles from penetrating and prevent materials such as metals from corroding by reacting with moisture in the air.

[0312] Figure 9B is an example cross-sectional view taken along line A-A' according to another aspect of the present disclosure. Figure 4

[0313] It should be noted that Figure 9BThe corresponding configurations of the touch sensor 210, black base 220, touch line 300, first recessed portion 410, second recessed portion 420, pad 500, first lens LEN1, second lens EN2, first opening area OPN1, second opening area OPN2, substrate 1100, first buffer layer 1110, second buffer layer 1111, first gate insulating layer 1112, first interlayer insulating layer 1113, third buffer layer 1114, second gate insulating layer 1115, second interlayer insulating layer 1116, first active layer 1121, first gate electrode layer 1122, first source electrode layer 1123, first drain electrode layer 1124, first storage capacitor electrode layer 1125, second storage capacitor electrode layer 1126, first metal pattern 1127, second metal pattern 1128, third metal pattern 1129, second active layer 1130, second gate electrode layer 1131, second source electrode layer 1132, second drain electrode layer 1133, insulating layer 1210, first insulating layer 1211, second insulating layer 1212, third insulating layer 1213, first electrode layer 1310, light emitting layer 1320, bank layer 1330, second electrode layer 1340, encapsulation layer 1350, first encapsulation layer 1351, second encapsulation layer 1352, third encapsulation layer 1353, touch buffer layer 1360, touch interlayer insulating layer 1370, lower planarization layer 1381, upper planarization layer 1382, passivation layer 1390, connection pattern 1400, first connection pattern 1410, second connection pattern 1420, first dam 1510, second dam 1520, first flat portion FLT1, second flat portion FLT2, first inclined portion SLO1 and second inclined portion SLO2 can be the same as those discussed above Figure 9AThe corresponding configurations of the touch sensor 210, the black base 220, the touch line 300, the first recessed portion 410, the second recessed portion 420, the pad 500, the first lens LEN1, the second lens LEN2, the first opening area OPN1, the second opening area OPN2, the substrate 1100, the first buffer layer 1110, the second buffer layer 1111, the first gate insulating layer 1112, the first interlayer insulating layer 1113, the third buffer layer 1114, the second gate insulating layer 1115, the second interlayer insulating layer 1116, the first active layer 1121, the first gate electrode layer 1122, the first source electrode layer 1123, the first drain electrode layer 1124, the first storage capacitor electrode layer 1125, the second storage capacitor electrode layer 1126, the first metal pattern 1127, the second metal pattern 1128, the third metal pattern 1129, the second active layer 1130, the second gate electrode layer 1131, the second source electrode layer 1132, the second drain electrode layer 1133, the insulating layer 1210, the first insulating layer 1211, the second insulating layer 1212, the third insulating layer 1213, the first electrode layer 1310, the light emitting layer 1320, the bank layer 1330, the second electrode layer 1340, the encapsulation layer 1350, the first encapsulation layer 1351, the second encapsulation layer 1352, the third encapsulation layer 1353, the touch buffer layer 1360, the touch interlayer insulating layer 1370, the lower planarization layer 1381, the upper planarization layer 1382, the passivation layer 1390, the connection pattern 1400, the first connection pattern 1410, the second connection pattern 1420, the first dam 1510, the second dam 1520, the first flat portion FLT1, the second flat portion FLT2, the first inclined portion SLO1 and the second inclined portion SLO2 are substantially the same.

[0314] Referring to Figure 9B , the first color filter CF1 may be disposed between at least one first lens among the plurality of lenses LEN and the upper planarization layer 1382.

[0315] The first color filter CF1 may include a lower color filter CF1b disposed on the touch sensor 210 and overlapping at least a part of the first lens LEN1, and an upper color filter CF1a disposed on the lower color filter CF1b and covering the first lens LEN1.

[0316] Since the first color filter CF1 covers at least a part of the touch sensor 210, the amount of light reflected by the touch sensor 210 may be reduced.

[0317] In one or more aspects, referring to Figure 9B , as at least one of the plurality of lenses LEN, the second lens LEN2 may be a second color filter CF2.

[0318] For example, the second color filter CF2 may be implemented in the form of a lens.

[0319] For example, the second color filter CF2 as shown Figure 9B may be referred to as a color lens.

[0320] Since the second color filter CF2 serves as the second lens LEN2, the number of processes can be reduced, and thus, the manufacturing process can be optimized.

[0321] Figure 10 is an exemplary cross-sectional view taken along line B-B’ according to aspects of the present disclosure. Figure 5

[0322] It should be noted that Figure 10 the corresponding configurations of the touch sensor 210, black substrate 220, touch line 300, first recessed portion 410, pad 500, first opening region OPN1, substrate 1100, first buffer layer 1110, second buffer layer 1111, first gate insulating layer 1112, first interlayer insulating layer 1113, third buffer layer 1114, second gate insulating layer 1115, second interlayer insulating layer 1116, first active layer 1121, first gate electrode layer 1122, first source electrode layer 1123, first drain electrode layer 1124, first storage capacitor electrode layer 1125, second storage capacitor electrode layer 1126, first metal pattern 1127, second metal pattern 1128, third metal pattern 1129, second active layer 1130, second gate electrode layer 1131, second source electrode layer 1132, second drain electrode layer 1133, insulating layer 1210, first insulating layer 1211, second insulating layer 1212, third insulating layer 1213, first electrode layer 1310, light-emitting layer 1320, bank layer 1330, second electrode layer 1340, encapsulation layer 1350, first encapsulation layer 1351, second encapsulation layer 1352, third encapsulation layer 1353, touch buffer layer 1360, touch interlayer insulating layer 1370, lower planarization layer 1381, upper planarization layer 1382, passivation layer 1390, connection pattern 1400, first connection pattern 1410, second connection pattern 1420, first dam 1510, second dam 1520, first flat portion FLT1, first inclined portion SLO1, and first color filter CF1 may be the same as those discussed above Figure 9AThe corresponding configurations of the touch sensor 210, the black base 220, the touch line 300, the first recessed portion 410, the pad 500, the first open area OPN1, the substrate 1100, the first buffer layer 1110, the second buffer layer 1111, the first gate insulating layer 1112, the first interlayer insulating layer 1113, the third buffer layer 1114, the second gate insulating layer 1115, the second interlayer insulating layer 1116, the first active layer 1121, the first gate electrode layer 1122, the first source electrode layer 1123, the first drain electrode layer 1124, the first storage capacitor electrode layer 1125, the second storage capacitor electrode layer 1126, the first metal pattern 1127, the second metal pattern 1128, the third metal pattern 1129, the second active layer 1130, the second gate electrode layer 1131, the second source electrode layer 1132, the second drain electrode layer 1133, the insulating layer 1210, the first insulating layer 1211, the second insulating layer 1212, the third insulating layer 1213, the first electrode layer 1310, the light emitting layer 1320, the bank layer 1330, the second electrode layer 1340, the encapsulation layer 1350, the first encapsulation layer 1351, the second encapsulation layer 1352, the third encapsulation layer 1353, the touch buffer layer 1360, the touch interlayer insulating layer 1370, the lower planarization layer 1381, the upper planarization layer 1382, the passivation layer 1390, the connection pattern 1400, the first connection pattern 1410, the second connection pattern 1420, the first dam 1510, the second dam 1520, the first flat portion FLT1, the first inclined portion SLO1, and the first color filter CF1 are substantially the same.

[0323] Referring to Figure 10 , the first lens LEN1 may be disposed on the first color filter CF1 and may include three lenses corresponding to the first recessed portion 410.

[0324] Figure 10 The first lens LEN1 is shown to include three lenses, but aspects of the present disclosure are not necessarily limited thereto. For example, the number of lenses included in the first lens LEN1 may be one, two, four, or more.

[0325] In one or more aspects, the first color filter CF1 may be disposed between the first lens LEN1 and the touch interlayer insulating layer 1370.

[0326] Referring to Figure 10 , the refractive index of the upper planarization layer 1382 may be less than the refractive index of the first lens LEN1.

[0327] In an example where the refractive index of the upper planarization layer 1382 is less than the refractive index of the first lens LEN1, the light extraction efficiency may be increased by the first lens LEN1.

[0328] Figure 11is an exemplary cross-sectional view taken along line C-C’ according to aspects of the present disclosure. Figure 5 of

[0329] It should be noted that Figure 11 the respective configurations of the touch sensor 210, black substrate 220, touch line 300, pad 500, substrate 1100, first buffer layer 1110, second buffer layer 1111, first gate insulating layer 1112, first interlayer insulating layer 1113, third buffer layer 1114, second gate insulating layer 1115, second interlayer insulating layer 1116, first active layer 1121, first gate electrode layer 1122, first source electrode layer 1123, first drain electrode layer 1124, first storage capacitor electrode layer 1125, second storage capacitor electrode layer 1126, first metal pattern 1127, second metal pattern 1128, third metal pattern 1129, second active layer 1130, second gate electrode layer 1131, second source electrode layer 1132, second drain electrode layer 1133, insulating layer 1210, first insulating layer 1211, second insulating layer 1212, third insulating layer 1213, first electrode layer 1310, light emitting layer 1320, bank layer 1330, second electrode layer 1340, encapsulation layer 1350, first encapsulation layer 1351, second encapsulation layer 1352, third encapsulation layer 1353, touch buffer layer 1360, touch interlayer insulating layer 1370, upper planarization layer 1382, passivation layer 1390, connection pattern 1400, first connection pattern 1410, second connection pattern 1420, first dam 1510, second dam 1520, and first color filter CF1 may be the same as those discussed above Figure 9AThe corresponding configurations of the touch sensor 210, black substrate 220, touch line 300, pad 500, substrate 1100, first buffer layer 1110, second buffer layer 1111, first gate insulating layer 1112, first interlayer insulating layer 1113, third buffer layer 1114, second gate insulating layer 1115, second interlayer insulating layer 1116, first active layer 1121, first gate electrode layer 1122, first source electrode layer 1123, first drain electrode layer 1124, first storage capacitor electrode layer 1125, second storage capacitor electrode layer 1126, first metal pattern 1127, second metal pattern 1128, third metal pattern 1129, second active layer 1130, second gate electrode layer 1131, second source electrode layer 1132, second drain electrode layer 1133, insulating layer 1210, first insulating layer 1211, second insulating layer 1212, third insulating layer 1213, first electrode layer 1310, light-emitting layer 1320, bank layer 1330, second electrode layer 1340, encapsulation layer 1350, first encapsulation layer 1351, second encapsulation layer 1352, third encapsulation layer 1353, touch buffer layer 1360, touch interlayer insulating layer 1370, upper planarization layer 1382, passivation layer 1390, connection pattern 1400, first connection pattern 1410, second connection pattern 1420, first dam 1510, second dam 1520, and first color filter CF1 are substantially the same.

[0330] Referring to Figure 11 , the first lens LEN1 corresponding to the light-emitting layer 1320 may be disposed on the touch interlayer insulating layer 1370.

[0331] The first color filter CF1 may be disposed between the first lens LEN1 and the touch interlayer insulating layer 1370.

[0332] As Figure 11 shown, when the lower planarization layer and the recessed portion are not included in the first direction FD, the performance of the display device 100 in the wide viewing angle mode can be improved or maximized.

[0333] In one or more examples, the area of the first recessed portion may be larger than the area of the second recessed portion. For example, referring to Figures 8A to 10 , the area of the first recessed portion 410 may be larger than the area of the second recessed portion 420. In the example, the area of the first recessed portion 410 may be the total area of the first recessed portion 410 (including the flat portion FLT1 and the inclined portion SLO1) when viewed in the plane defined by the first direction FD and the second direction SD. In the example, the area of the second recessed portion 420 may be the total area of the second recessed portion 420 (including the flat portion FLT2 and the inclined portion SLO2) when viewed in the plane defined by the first direction FD and the second direction SD.

[0334] In one or more examples, the area of the first lens may be greater than the area of the second lens. For example, referring to Figures 4 to 10 , the area of the first lens LEN1 may be greater than the area of the second lens LEN2. In an example, when viewed in a plane defined by a first direction FD and a second direction SD, the area of the first lens LEN1 may be the total area defined by the first lens LEN1 (or the bottom surface of the first lens LEN1). In an example, when viewed in a plane defined by a first direction FD and a second direction SD, the area of the second lens LEN2 may be the total area defined by the second lens LEN2 (or the bottom surface of the second lens LEN2). In an example, referring to Figure 7A , the area of the first lens LEN1 may be the area defined by diameter C1 and diameter C2 (e.g., C1×C2). In an example, referring to Figure 7B , the area of the first lens LEN1 may be the area defined by the sum of (i) the area of the first microlens LEN1a, (ii) the area of the second microlens LEN1b, and (iii) the area of the third microlens LEN1c. In this example, each of the first microlens LEN1a, the second microlens LEN1b, and the third microlens LEN1c has a diameter C1. Thus, in this example, the area may be 3×π×(C1 / 2) 2 . In an example, referring to Figure 7C , the area of the second lens LEN2 may be the area defined by diameter S1 and diameter S2.

[0335] Regarding Figures 7A to 7C , in one or more examples, the thickness of the first lens LEN1 may be the maximum thickness of one or more lenses included in the first lens LEN1. In an example, Figure 7A the thickness of the first lens LEN1 may be height C3. In an example, Figure 7B the thickness of the first lens LEN1 may be height C3. Additionally, the thickness of the second lens LEN2 may be the maximum thickness of one or more lenses included in the second lens LEN2. In an example, Figure 7C the thickness of the second lens LEN2 may be height S3.

[0336] Regarding Figure 8A , Figure 9A and Figure 9B , in one or more examples, as Figure 8A shown, the first planarization layer 610 surrounding the first lens LEN1 may correspond to or be substantially the same as the lower planarization layer 1381 surrounding the first lens LEN1 as shown in Figure 9A and Figure 9B .

[0337] Regarding Figure 8B, Figure 9A and Figure 9B , in one or more examples, as Figure 8B shown, the second planarization layer 620 around the second lens LEN2 may be similar to the lower planarization layer 1381 around the second lens LEN2 as Figure 9A and Figure 9B shown.

[0338] Regarding Figure 8C and Figure 10 , in one or more examples, as Figure 8C shown, the first planarization layer 610 around the first lens LEN1 may correspond to or be substantially the same as the lower planarization layer 1381 around the first lens LEN1 as Figure 10 shown.

[0339] Various examples and aspects of the present disclosure are described below. These are provided as examples and do not limit the scope of the present disclosure.

[0340] In connection with Figures 1A to 11 , in one or more aspects, the display device 100 may be a foldable device, may be included in a foldable device, or may include a foldable device. The foldable device may refer to or may be a foldable display device, a rollable device, a bendable device, a flexible device, a stretchable device, a bending device, a sliding device, or a variable device, and vice versa. The display device 100 according to one or more aspects of the present disclosure may be or may be included in a mobile terminal (e.g., a smart phone, a video phone, a smart watch, a watch phone, a wearable device, a tablet computer, an electronic notebook, a laptop computer, a netbook computer, an e - book, a portable multimedia player (PMP), a personal digital assistant (PDA), an MPEG - 1 audio layer 3 (MP3) player, a mobile medical device, a laptop computer, etc.), a desktop personal computer (PC), a workstation, a navigation device, an automotive navigation device, a vehicle display device, vehicle equipment, a theater device, a theater display device, a television, a wallpaper device, a signage device, a gaming device, a monitor, a camera, a sensor, a video camera, or a household appliance, etc. The display device 100 according to one or more aspects of the present disclosure is not limited to the above - mentioned example devices. The display device 100 according to one or more aspects of the present disclosure may be made in various types, sizes, and shapes configured to display information and / or images.

[0341] In connection with Figures 1A to 11, in one or more aspects, when the display device 100 is a foldable device, a foldable region may be formed around the folding axis. In an example, the foldable region may overlap with a part of the display region A / A and / or a part of the non-display region. The foldable region may be a region that folds with a predefined curvature when the foldable device is folded in at least one of the inner fold and the outer fold. The region outside the foldable region may be a non-foldable region. The foldable region may include one or more foldable sub-regions. Further, when the display device 100 is a foldable device, in some examples, the display device may further include a hinge structure for folding the display panel, etc., and a housing for supporting and accommodating the display panel, etc. In one or more examples, when the display device 100 is a foldable device, the substrate of the display device may be a multi-layer substrate, and the substrate may be flexible.

[0342] Combined Figures 1A to 11 , in one or more aspects, the substrate 1100 of the display device 100 may be used to support and protect the components of the display device 100 disposed above the substrate 1100. The substrate 1100 is a component for supporting various components included in the display device 100, and may be made of one or more insulating materials. The substrate 1100 may be a multi-layer substrate (e.g., a three-layer substrate), including, for example, a first substrate, a second substrate, and an inorganic insulating layer. The inorganic insulating layer may be disposed between the first substrate and the second substrate. The multi-layer substrate can reduce or minimize the penetration of moisture from the outside. In another example, the substrate 1100 may be provided as a single layer.

[0343] The first substrate may have rigidity and flexibility. Among the components of the substrate 1100, the first substrate may be configured to substantially support the components of the display device 100. For example, the first substrate may be a flexible substrate made of polyimide (PI). However, the present disclosure is not limited thereto.

[0344] The inorganic insulating layer may be disposed on the entire surface of the first substrate. The inorganic insulating layer may be made of an inorganic insulating material. For example, the inorganic insulating layer may be configured as a single layer or multiple layers made of silicon nitride (SiNx) or silicon oxide (SiOx). However, the present disclosure is not limited thereto.

[0345] The second substrate may be disposed on the inorganic insulating layer. The second substrate may have rigidity and flexibility. Among the components of the substrate 1100, the second substrate, together with the first substrate, may be configured to substantially support the components of the display device 100. For example, the second substrate may be a flexible substrate made of polyimide (PI). However, the present disclosure is not limited thereto.

[0346] Various examples and aspects of the present disclosure are further described below. These are provided as examples and do not limit the scope of the present disclosure. The numbers and labels identified below are non-limiting examples for illustrative purposes only and do not limit the scope of the present disclosure. The present disclosure covers not only the examples shown herein but also various modifications and variations to which the features or principles described herein can be applied without departing from the scope of the present disclosure. The notation "for example" means "for example but not limited to".

[0347] According to one or more aspects of the present disclosure, a display device (e.g., 100; or variants) may include: a first light-emitting layer (e.g., 1320 or 1320G; or variants); and a second light-emitting layer (e.g., 1320 or 1320R; or variants). In a first mode, the display device may be configured to emit light from the first light-emitting layer and block light emitted from the second light-emitting layer; in a second mode, the display device may be configured to emit light from the second light-emitting layer and block light emitted from the first light-emitting layer. In the first mode, the light from the first light-emitting layer may provide (a) a first viewing angle in a first direction (e.g., SD; or variants) and (b) a second viewing angle in a second direction (e.g., FD; or variants); in the second mode, the light from the second light-emitting layer may provide (a) a viewing angle in one direction (e.g., SD; or variants) and (b) another viewing angle in another direction (e.g., FD; or variants). The second light-emitting layer may be different from the first light-emitting layer; the second mode may be different from the first mode; the second direction may be different from the first direction; the another direction may be different from the one direction; the range of the first viewing angle may be greater than each of the range of the second viewing angle, the one viewing angle, and the another viewing angle.

[0348] In one or more examples, the first mode may be a wide viewing angle mode. In one or more examples, the first mode may be a sharing mode. In one or more examples, the first mode may be a common mode.

[0349] In one or more examples, the second mode may be a narrow viewing angle mode. In one or more examples, the second mode may be a privacy mode. In one or more examples, the second mode may be a private mode.

[0350] In one or more examples, the display device may include: a first light-emitting region (e.g., OPN1; or variants); and a second light-emitting region (e.g., OPN2; or variants). The first light-emitting layer may correspond to the first light-emitting region; the second light-emitting layer may correspond to the second light-emitting region; the second light-emitting region may be separated from and different from the first light-emitting region.

[0351] In one or more examples, a display device may include: one or more first structures corresponding to a first light-emitting layer (see, for example, the structure formed by 1210 or its components and / or 1381; the structure formed by 410 and / or 610; or variants); and one or more second structures corresponding to a second light-emitting layer (see, for example, the structure formed by 1210 or its components and / or 1381; the structure formed by 410 and / or 610; or variants). In a plan view, one or more first structures may be disposed adjacent to the first light-emitting layer (or at least a portion of the first light-emitting layer); in a plan view, one or more second structures may be disposed adjacent to the second light-emitting layer (or at least a portion of the second light-emitting layer). In a first mode, one or more first structures may be configured to adjust light from the first light-emitting layer and cause the range of a first viewing angle to be greater than the range of a second viewing angle; in a second mode, one or more second structures may be configured to adjust light from the second light-emitting layer and cause the range of each of one viewing angle and another viewing angle to be less than the range of the first viewing angle.

[0352] In one or more examples, one or more first structures may include one or more structures that can adjust light (e.g., guide, redirect, absorb, block, expand, spread, scatter, change, control, manipulate, pass, reflect, or direct light) to cause the range of a first viewing angle to be greater than the range of a second viewing angle.

[0353] In one or more examples, one or more second structures may include one or more structures that can adjust light (e.g., guide, redirect, absorb, block, expand, spread, scatter, change, control, manipulate, pass, reflect, or direct light) to cause the range of each of one viewing angle and another viewing angle to be less than the range of the first viewing angle.

[0354] In one or more examples, in a cross-sectional view, one or more first structures may be at least above, at, or below the position of at least a portion of the first light-emitting layer. In one or more examples, in a cross-sectional view, one or more first structures (or at least a portion thereof) may be above the position of the first light-emitting layer (or at least a portion thereof). In one or more examples, in a cross-sectional view, one or more first structures (or at least a portion thereof) may be above the lowest position of the first light-emitting layer (or at least a portion thereof).

[0355] In one or more examples, in a cross-sectional view, one or more second structures may be located at least above, at, or below at least a portion of the second light-emitting layer. In one or more examples, in a cross-sectional view, one or more second structures (or at least a portion thereof) may be located above the position of the second light-emitting layer (or at least a portion thereof). In one or more examples, in a cross-sectional view, one or more second structures (or at least a portion thereof) may be located above the lowest position of the second light-emitting layer (or at least a portion thereof).

[0356] In one or more examples, in a plan view, one or more first structures may partially surround at least a portion of the first light-emitting layer; in a plan view, one or more second structures may surround all four sides of at least a portion of the second light-emitting layer.

[0357] In one or more examples, in a plan view, one or more first structures may partially surround the first light-emitting layer; in a plan view, one or more second structures may surround all four sides of the second light-emitting layer.

[0358] In one or more examples, one or more first structures may be present on at least one side of the first light-emitting region in one of the first direction and the second direction (e.g., one of FD and SD; or variants), and may not be present on at least another side of the first light-emitting region in the other of the first direction and the second direction (e.g., the other of FD and SD; or variants); one or more second structures may be present on the sides of the second light-emitting region in the one direction and the other direction (e.g., FD and SD; or variants).

[0359] In one or more examples, one or more first structures may be present on at least one side of the first light-emitting region in one of the first direction and the second direction, and one or more other structures (see, e.g., the structures formed by 1210, 1330, and / or 210; or variants) may be present on at least another side of the first light-emitting region in the other of the first direction and the second direction; one or more second structures may be present on the sides of the second light-emitting region in the one direction and the other direction.

[0360] In one or more examples, one or more first structures may include at least one of a first layer and a second layer; one or more second structures may include at least one of a third layer and a fourth layer; the first layer may be formed of the same layer as an insulating layer (e.g., 1210 or 1213; or variants); the second layer may be formed of the same layer as a planarization layer (e.g., 1381; or variants); the third layer may be formed of the same layer as the insulating layer; the fourth layer may be formed of the same layer as the planarization layer; the second layer may be disposed above the first layer; and the fourth layer may be disposed above the third layer.

[0361] In one or more examples, the first light-emitting region may be larger than the second light-emitting region; each of the first light-emitting region and the second light-emitting region may have a polygonal shape (see, for example, Figures 8A to 8C the shapes in; or variations); the one direction may be the same as the first direction; the other direction may be the same as the second direction; the second direction may be perpendicular to the first direction.

[0362] In one or more examples, the mode of the display device may be switched between a first mode and a second mode.

[0363] According to one or more aspects of the present disclosure, a display device may include: a first light-emitting region; and a second light-emitting region. In the first mode, the display device may be configured to emit light from the first light-emitting region and block light from being emitted from the second light-emitting region; in the second mode, the display device may be configured to emit light from the second light-emitting region and block light from being emitted from the first light-emitting region. In the first mode, the light from the first light-emitting region may provide (a) a first viewing angle in a first direction and (b) a second viewing angle in a second direction; in the second mode, the light from the second light-emitting region may provide (a) a first viewing angle in one direction and (b) a second viewing angle in the other direction. The second light-emitting region may be different from the first light-emitting region; the second mode may be different from the first mode; the second direction may be different from the first direction; the other direction may be different from the one direction; the range of the first viewing angle may be greater than the range of each of the second viewing angle, the one viewing angle, and the other viewing angle.

[0364] In one or more examples, the display device may include: a first light-emitting layer corresponding to the first light-emitting region; and a second light-emitting layer corresponding to the second light-emitting region. The second light-emitting layer may be separated from and different from the first light-emitting layer.

[0365] In one or more examples, the first light-emitting region may be, may represent, or may correspond to a region of the first light-emitting layer configured to emit light. In some examples, the first light-emitting region may be, may represent, or may correspond to a region of the first light-emitting layer that is in direct contact with the first electrode layer. In some examples, the first light-emitting region may be, may represent, or may correspond to the first opening region. In some examples, the first light-emitting region may be, may represent, or may correspond to a region including the first opening region. In some examples, the first light-emitting region may be, may represent, or may correspond to a region including the first opening region and the first inclined portion. In one or more examples, the second light-emitting region may be, may represent, or may correspond to a region of the second light-emitting layer configured to emit light. In some examples, the second light-emitting region may be, may represent, or may correspond to a region of the second light-emitting layer that is in direct contact with the first electrode layer. In some examples, the second light-emitting region may be, may represent, or may correspond to the second opening region. In some examples, the second light-emitting region may be, may represent, or may correspond to a region including the second opening region. In some examples, the second light-emitting region may be, may represent, or may correspond to a region including the second opening region and the second inclined portion.

[0366] In one or more examples, the display device may include: one or more first structures corresponding to the first light-emitting region; and one or more second structures corresponding to the second light-emitting region. In a plan view, the one or more first structures may be disposed adjacent to the first light-emitting region; in the plan view, the one or more second structures may be disposed adjacent to the second light-emitting region; in the first mode, the one or more first structures may be configured to adjust light from the first light-emitting region and make the range of the first viewing angle greater than the range of the second viewing angle; in the second mode, the one or more second structures may be configured to adjust light from the second light-emitting region and make the range of each of the one viewing angle and the other viewing angle less than the range of the first viewing angle.

[0367] In one or more examples, in the plan view, the one or more first structures may partially surround the first light-emitting region; in the plan view, the one or more second structures may surround all four sides of the second light-emitting region.

[0368] Various examples and aspects of the present disclosure are further described below. These are provided as examples and do not limit the scope of the present disclosure.

[0369] According to one or more example embodiments of the present disclosure, a display device may include: a first light-emitting region; a second light-emitting region; a first recess corresponding to the first light-emitting region; a second recess corresponding to the second light-emitting region; a first lens corresponding to the first recess; and a second lens corresponding to the second recess. The area of the first recess may be greater than the area of the second recess, and the area of the first lens may be greater than the area of the second lens.

[0370] In one or more example embodiments, the total number of lenses included in the first lens may be greater than the total number of lenses included in the second lens.

[0371] In one or more example embodiments, the shape of the first lens may be different from the shape of the second lens.

[0372] In one or more example embodiments, in a wide viewing angle mode, the display device may be configured such that the first light-emitting region can emit light and is configured to block the second light-emitting region from emitting light. In a narrow viewing angle mode, the display device may be configured such that the second light-emitting region can emit light and is configured to block the first light-emitting region from emitting light. The viewing angle in the wide viewing angle mode may be greater than the viewing angle in the narrow viewing angle mode.

[0373] In one or more example embodiments, the first lens may overlap at least a portion of the first recess, and the second lens may overlap at least a portion of the second recess.

[0374] In one or more example embodiments, the maximum thickness of one or more lenses included in the first lens may be greater than the maximum thickness of one or more lenses included in the second lens.

[0375] In one or more example embodiments, the first light-emitting region may be represented by or may correspond to a first open region (and vice versa), the second light-emitting region may be represented by or may correspond to a second open region (and vice versa), and the first open region may be greater than the second open region.

[0376] In one or more example embodiments, the inclined portion of the first recess may surround at least a portion of the first open region along one direction, and the inclined portion of the second recess may completely surround the second open region along at least two directions.

[0377] In one or more example embodiments, the first lens may cover at least a portion of the first open region and may cover at least a portion of the first recess, and the second lens may cover at least a portion of the second open region and may cover at least a portion of the second recess.

[0378] In one or more example embodiments, the shape of the first lens may correspond to the shape of the first opening region, the shape of the second lens may correspond to the shape of the second opening region, and the shape of the second opening region may be different from the shape of the first opening region.

[0379] In one or more example embodiments, the display device may include a bank layer overlapping at least a portion of the first recessed portion and at least a portion of the first lens. The first opening region may include an opening in the bank layer, and the first opening region may overlap the first recessed portion.

[0380] In one or more example embodiments, the first recessed portion may include a first flat portion and a first inclined portion, and the first inclined portion may surround at least a portion of the first flat portion.

[0381] In one or more example embodiments, one or more insulating layers may include a first flat portion and a first inclined portion.

[0382] In one or more example embodiments, the display device may include a first light-emitting element corresponding to the first light-emitting region, and the first light-emitting element may include a first electrode, a light-emitting layer, and a second electrode.

[0383] In one or more example embodiments, the first electrode may be disposed on the first flat portion, the first inclined portion, and the peripheral portion of one or more insulating layers, the peripheral portion of the one or more insulating layers surrounding the first recessed portion and located around the first recessed portion, and the light-emitting layer may be disposed on the first electrode and may overlap the first flat portion.

[0384] In one or more example embodiments, the display device may include a bank layer overlapping the first inclined portion and the peripheral portion of one or more insulating layers, and the second electrode may be disposed on the light-emitting layer and the bank layer.

[0385] In one or more example embodiments, the light-emitting layer may overlap the first inclined portion, the light-emitting layer may have a first thickness in a region overlapping the first flat portion, the light-emitting layer may have a second thickness in a region overlapping the first inclined portion, and the second thickness may be less than the first thickness.

[0386] In one or more example embodiments, the first inclined portion may surround the first flat portion along a first direction, and the first inclined portion does not surround the first flat portion along a second direction.

[0387] In one or more example embodiments, the second recessed portion may include a second flat portion and a second inclined portion, and the second inclined portion may completely surround the second flat portion along two directions.

[0388] In one or more example embodiments, the display device may include a first planarization layer surrounding at least a portion of the first lens.

[0389] In one or more example embodiments, the first planarization layer may surround at least the side surface of the first lens along a first direction, and the first planarization layer does not surround the side surface of the first lens along a second direction.

[0390] In one or more example embodiments, the first planarization layer may surround the second lens along the first direction and the second direction.

[0391] In one or more example embodiments, the display device may include a second planarization layer covering the first lens, and the refractive index of the second planarization layer may be less than the refractive index of the first lens.

[0392] In one or more example embodiments, the display device may include a touch interlayer insulating layer disposed under the first planarization layer and a first color filter disposed between the first lens and the touch interlayer insulating layer.

[0393] In one or more example embodiments, the display device may include a first color filter disposed between the second planarization layer and the first lens.

[0394] In one or more example embodiments, the display device may include: a touch sensor disposed on the first planarization layer; and a second color filter disposed on the touch sensor and overlapping at least a portion of the first lens. The first color filter may be disposed on the second color filter and cover the first lens.

[0395] In one or more example embodiments, the second lens may be a color filter.

[0396] In one or more example embodiments, a sub-pixel having a first recessed portion and a first lens is associated with a first color, and a sub-pixel having a second recessed portion and a second lens is associated with the same first color.

[0397] In one or more example embodiments, the display device may include: a touch sensor; and a first color filter disposed on the touch sensor.

[0398] In one or more example embodiments, the first color filter may be disposed on the first lens.

[0399] In one or more example embodiments, the display device may include a second color filter. Both the first color filter and the second color filter may overlap the touch sensor. Both the first color filter and the second color filter may be disposed on the touch sensor.

[0400] According to one or more example embodiments of the present disclosure, a display device may include: a first light-emitting layer; and a second light-emitting layer. In a first mode, the display device may be configured to emit light from the first light-emitting layer and block light emitted from the second light-emitting layer; in a second mode, the display device may be configured to emit light from the second light-emitting layer and block light emitted from the first light-emitting layer. In the first mode, the light from the first light-emitting layer may provide (a) a first viewing angle in a first direction and (b) a second viewing angle in a second direction; in the second mode, the light from the second light-emitting layer may provide (a) a viewing angle in one direction and (b) another viewing angle in another direction. The second light-emitting layer may be different from the first light-emitting layer; the second mode may be different from the first mode; the second direction may be different from the first direction; the another direction may be different from the one direction; the range of the first viewing angle may be greater than the range of each of the second viewing angle, the one viewing angle, and the another viewing angle.

[0401] In one or more example embodiments, the display device may include: a first light-emitting region; and a second light-emitting region. The first light-emitting layer may correspond to the first light-emitting region; the second light-emitting layer may correspond to the second light-emitting region; the second light-emitting region may be separated from and different from the first light-emitting region.

[0402] In one or more example embodiments, the display device may include: one or more first structures corresponding to the first light-emitting layer; and one or more second structures corresponding to the second light-emitting layer. In a plan view, one or more first structures may be disposed adjacent to at least a portion of the first light-emitting layer; in a plan view, one or more second structures may be disposed adjacent to at least a portion of the second light-emitting layer; in the first mode, one or more first structures may be configured to adjust the light from the first light-emitting layer and make the range of the first viewing angle greater than the range of the second viewing angle; in the second mode, one or more second structures may be configured to adjust the light from the second light-emitting layer and make the range of each of the one viewing angle and the another viewing angle less than the range of the first viewing angle.

[0403] In one or more example embodiments, one or more first structures may be present on at least one side of the first light-emitting region in one of the first direction and the second direction, and may not be present on at least another side of the first light-emitting region in the other of the first direction and the second direction; one or more second structures may be present on the sides of the second light-emitting region in the one direction and the another direction.

[0404] In one or more example embodiments, one or more first structures may be present on at least one side of the first light-emitting region in one of a first direction and a second direction, and one or more other structures may be present on at least another side of the first light-emitting region in the other of the first direction and the second direction; and one or more second structures may be present on the sides of the second light-emitting region in the one direction and the other direction.

[0405] In one or more example embodiments, one or more first structures may include at least one of a first layer and a second layer; one or more second structures may include at least one of a third layer and a fourth layer; the first layer may be formed of the same layer as an insulating layer; the second layer may be formed of the same layer as a planarization layer; the third layer may be formed of the same layer as the insulating layer; the fourth layer may be formed of the same layer as the planarization layer; the second layer may be disposed above the first layer; the fourth layer may be disposed above the third layer.

[0406] In one or more example embodiments, the first light-emitting region may be larger than the second light-emitting region; each of the first light-emitting region and the second light-emitting region may have a polygonal shape; the one direction may be the same as the first direction; the other direction may be the same as the second direction; the second direction may be perpendicular to the first direction.

[0407] In one or more example embodiments, the range of the first viewing angle may be larger than the range of the second viewing angle; the range of the one viewing angle may be the same as the range of the other viewing angle.

[0408] The above description is presented to enable any person skilled in the art to make, use, and practice the technical features of the present disclosure, and is provided as an example in the context of a particular application and its requirements. Various modifications, additions, and substitutions to the described embodiments will be readily apparent to those skilled in the art, and the principles described herein may be applied to other embodiments and applications without departing from the scope of the present disclosure. For purposes of illustration only, the above description and drawings provide examples of the technical features of the present disclosure. That is, the disclosed embodiments are intended to illustrate the scope of the technical features of the present disclosure. The scope of protection of the present disclosure should be construed based on the following claims, and all technical features within the equivalent scope should be construed as being included within the scope of the present disclosure.

[0409] Cross-reference to related applications

[0410] This application claims the benefit and priority of Korean Patent Application No. 10-2024-0012990, filed with the Korean Intellectual Property Office on January 29, 2024, the entire contents of which are incorporated herein by reference for all purposes as if fully set forth herein.

Claims

1. A display device, the display device comprising: A first light-emitting region; A second light-emitting region; A first recessed portion corresponding to the first light-emitting region; A second recessed portion corresponding to the second light-emitting region; A first lens corresponding to the first recessed portion; And A second lens corresponding to the second recessed portion, Wherein, the area of the first recessed portion is larger than the area of the second recessed portion; and The area of the first lens is larger than the area of the second lens.

2. The display device according to claim 1, wherein, The total number of lenses included in the first lens is greater than the total number of lenses included in the second lens.

3. The display device according to claim 1, wherein, The shape of the first lens is different from the shape of the second lens.

4. The display device according to claim 1, wherein, In a wide viewing angle mode, the display device is configured such that the first light-emitting region can emit light and is configured to block the second light-emitting region from emitting light; In a narrow viewing angle mode, the display device is configured such that the second light-emitting region can emit light and is configured to block the first light-emitting region from emitting light; And The viewing angle in the wide viewing angle mode is larger than the viewing angle in the narrow viewing angle mode.

5. The display device according to claim 1, wherein, The first lens overlaps at least a part of the first recessed portion; and The second lens overlaps at least a part of the second recessed portion.

6. The display device according to claim 1, wherein, The maximum thickness of one or more lenses included in the second lens is greater than the maximum thickness of one or more lenses included in the first lens.

7. The display device according to claim 1, wherein, The first light-emitting region is represented by a first open region; The second light-emitting region is represented by a second open region; and The first open region is larger than the second open region.

8. The display device according to claim 7, wherein, The inclined portion of the first recessed portion surrounds at least a part of the first open region along one direction; and The inclined portion of the second recessed portion completely surrounds the second open region along at least two directions.

9. The display device according to claim 7, wherein, The first lens covers at least a part of the first open region and covers at least a part of the first recessed portion; and The second lens covers at least a part of the second open region and covers at least a part of the second recessed portion.

10. The display device according to claim 7, wherein, The shape of the first lens corresponds to the shape of the first open region; The shape of the second lens corresponds to the shape of the second open region; and The shape of the second open region is different from the shape of the first open region.

11. The display device according to claim 7, the display device includes a bank layer that overlaps at least a part of the first recessed portion and at least a part of the first lens, Among them, The first open area includes an opening in the bank layer, and the first open area overlaps with the first recessed portion.

12. The display device according to claim 1, wherein, the first recessed portion includes a first flat portion and a first inclined portion; and the first inclined portion surrounds at least a part of the first flat portion.

13. The display device according to claim 12, wherein, one or more insulating layers include the first flat portion and the first inclined portion.

14. The display device according to claim 13, the display device includes a first light-emitting element corresponding to the first light-emitting area, Among them, the first light-emitting element includes a first electrode, a light-emitting layer, and a second electrode.

15. The display device according to claim 14, wherein, the first electrode is disposed on a peripheral portion of the one or more insulating layers, the first flat portion, and the first inclined portion; the peripheral portion of the one or more insulating layers surrounds the first recessed portion and is located around the first recessed portion; and the light-emitting layer is disposed on the first electrode and overlaps with the first flat portion.

16. The display device according to claim 15, the display device includes a bank layer, the bank layer overlaps with the peripheral portion of the one or more insulating layers and the first inclined portion, Among them, the second electrode is disposed on the light-emitting layer and the bank layer.

17. The display device according to claim 14, wherein, the light-emitting layer overlaps with the first inclined portion; the light-emitting layer has a first thickness in a region overlapping with the first flat portion; the light-emitting layer has a second thickness in a region overlapping with the first inclined portion; and the second thickness is less than the first thickness.

18. The display device according to claim 12, wherein, the first inclined portion surrounds the first flat portion along a first direction; and the first inclined portion does not surround the first flat portion along a second direction.

19. The display device according to claim 18, wherein, the second recessed portion includes a second flat portion and a second inclined portion; and the second inclined portion completely surrounds the second flat portion along two directions.

20. The display device according to claim 1, the display device includes a first planarization layer surrounding at least a part of the first lens.

21. The display device according to claim 20, wherein, the first planarization layer surrounds at least a side surface of the first lens along a first direction; and the first planarization layer does not surround the side surface of the first lens along a second direction.

22. The display device according to claim 21, wherein, The first planarization layer surrounds the second lens along the first direction and the second direction.

23. The display device according to claim 20, the display device includes a second planarization layer covering the first lens, Among them, the refractive index of the second planarization layer is less than the refractive index of the first lens.

24. The display device according to claim 20, the display device includes: A touch interlayer insulating layer, the touch interlayer insulating layer being disposed under the first planarization layer; and A first color filter, the first color filter being disposed between the first lens and the touch interlayer insulating layer.

25. The display device according to claim 23, the display device including a first color filter disposed between the second planarization layer and the first lens.

26. The display device according to claim 25, the display device including: A touch sensor, the touch sensor being disposed on the first planarization layer; and A second color filter, the second color filter being disposed on the touch sensor and overlapping at least a part of the first lens, wherein the first color filter is disposed on the second color filter and covers the first lens.

27. The display device according to claim 1, wherein, The second lens is a color filter.

28. The display device according to claim 1, wherein, The sub-pixel having the first concave portion and the first lens is associated with a first color; and The sub-pixel having the second concave portion and the second lens is associated with the same first color.

29. The display device according to claim 1, the display device including: A touch sensor; and A first color filter, the first color filter being disposed on the touch sensor.

30. The display device according to claim 29, wherein, The first color filter is disposed on the first lens.

31. The display device according to claim 29, the display device including: A second color filter, wherein both the first color filter and the second color filter overlap with the touch sensor.

32. A display device, the display device including: A first light-emitting layer; and A second light-emitting layer, wherein, in a first mode, the display device is configured to emit light from the first light-emitting layer and block light emitted from the second light-emitting layer; In a second mode, the display device is configured to emit light from the second light-emitting layer and block light emitted from the first light-emitting layer; In the first mode, the light from the first light-emitting layer provides a first viewing angle in a first direction and a second viewing angle in a second direction; In the second mode, the light from the second light-emitting layer provides a viewing angle in one direction and another viewing angle in another direction; The second light-emitting layer is different from the first light-emitting layer; The second mode is different from the first mode; The second direction is different from the first direction; The another direction is different from the one direction; and The range of the first viewing angle is greater than the range of each of the second viewing angle, the one viewing angle, and the another viewing angle.

33. The display device according to claim 32, the display device including: A first light-emitting region; and A second light-emitting region, wherein the first light-emitting layer corresponds to the first light-emitting region; The second light-emitting layer corresponds to the second light-emitting region; and The second light-emitting region is separated from and different from the first light-emitting region.

34. The display device according to claim 33, the display device including: One or more first structures, the one or more first structures corresponding to the first light-emitting layer; and One or more second structures corresponding to the second light-emitting layer, wherein, in a plan view, the one or more first structures are disposed adjacent to at least a part of the first light-emitting layer; in a plan view, the one or more second structures are disposed adjacent to at least a part of the second light-emitting layer; in the first mode, the one or more first structures are configured to adjust light from the first light-emitting layer and make the range of the first viewing angle larger than the range of the second viewing angle; and in the second mode, the one or more second structures are configured to adjust light from the second light-emitting layer and make the range of each of the one viewing angle and the other viewing angle smaller than the range of the first viewing angle.

35. The display device according to claim 34, wherein, the one or more first structures are present on at least one side of the first light-emitting region in one of the first direction and the second direction, and are not present on at least another side of the first light-emitting region in the other of the first direction and the second direction; and the one or more second structures are present on the sides of the second light-emitting region in the one direction and the other direction.

36. The display device according to claim 34, wherein, the one or more first structures are present on at least one side of the first light-emitting region in one of the first direction and the second direction, and one or more other structures are present on at least another side of the first light-emitting region in the other of the first direction and the second direction; and the one or more second structures are present on the sides of the second light-emitting region in the one direction and the other direction.

37. The display device according to claim 34, wherein, the one or more first structures include at least one of a first layer and a second layer; the one or more second structures include at least one of a third layer and a fourth layer; the first layer is formed of the same layer as the insulating layer; the second layer is formed of the same layer as the planarization layer; the third layer is formed of the same layer as the insulating layer; the fourth layer is formed of the same layer as the planarization layer; the second layer is disposed above the first layer; and the fourth layer is disposed above the third layer.

38. The display device according to claim 33, wherein, the first light-emitting region is larger than the second light-emitting region; each of the first light-emitting region and the second light-emitting region has a polygonal shape; the one direction is the same as the first direction; the other direction is the same as the second direction; and the second direction is perpendicular to the first direction.

39. The display device according to claim 32, wherein, the range of the first viewing angle is larger than the range of the second viewing angle; and the range of the one viewing angle is the same as the range of the other viewing angle.

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