Display device

Abstract

A display device is disclosed. The display device includes: a substrate including a transmissive region and a non-transmissive region; a first light emitting region disposed on the non-transmissive region; a first color filter disposed in the non-transmissive region and the first color filter corresponding to the first light emitting region; a step region disposed in the transmissive region at a boundary region close to the non-transmissive region; and a first color compensation layer disposed in the transmissive region to overlap the step region.

Description

Technical Field

[0001] The present disclosure relates to a display device, and more particularly, for example but not limited to, to a transparent display device having a color compensation layer in a transmissive region. Background Art

[0002] With the development of the information society, the demand for display devices for displaying images in various forms has increased. Therefore, various display devices such as liquid crystal displays (LCDs), plasma display panels (PDPs), field emission display (FED) devices, and organic light emitting displays (OLEDs) have recently been used.

[0003] Among display devices, organic light-emitting displays (OLEDs) are self-luminous and offer superior viewing angles and contrast compared to liquid crystal displays (LCDs). Furthermore, since they do not require a separate backlight, they are lightweight and thin, and their power consumption is favorable. OLEDs also offer the advantages of being able to operate at low DC voltages, having fast response speeds, and, in particular, low manufacturing costs.

[0004] An organic light-emitting display device has a structure in which an organic light-emitting device including a light-emitting layer is disposed between a cathode for injecting electrons and an anode for injecting holes. An organic light-emitting display device uses the following principle: when electrons generated from the cathode and holes generated from the anode are injected into the light-emitting layer, the injected electrons and holes combine to generate excitons, which then drop from an excited state to a ground state and emit light.

[0005] By applying a transparent display panel, the transparent display device can improve aesthetics because when the display device is not driven, the back side of the transparent display device can be seen through like general glass, and has a wide range of uses and applications in various fields such as displays set in car windows and displays used in home appliances.

[0006] The description provided in the description of the background technology section should not be assumed to be prior art simply because it is mentioned in the description of the background technology section or is associated with the description of the background technology section. The description of the background technology section may include 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

[0007] The inventors have recognized that in the related art, multiple insulating layers, light-emitting layers, and transparent electrodes may be provided in a transmissive region, representing the transparent portion of a transparent display panel. This may cause light passing through the transmissive region to have a yellowish cast, and due to diffraction occurring in the transmissive region, the background of the rear surface may not be clearly visible. In this case, the visibility of the transparent display panel may be degraded. The present disclosure has been made in view of the above-mentioned problems, and an object of the present disclosure is to provide a display device that, by providing a color compensation layer in the transmissive region, prevents the light passing through the transmissive region from having a yellowish cast and the back surface from being blurred due to diffraction of light.

[0008] According to one aspect of the present disclosure, the above and other purposes can be achieved by providing a display device, which includes: a substrate, the substrate including a transmission area and a non-transmission area; a first light-emitting area, the first light-emitting area is arranged on the non-transmission area; a first color filter, the first color filter is arranged in the non-transmission area, and the first color filter corresponds to the first light-emitting area; a step area, the step area is arranged at a boundary area between the transmission area and the non-transmission area; and a first color compensation layer, the first color compensation layer is arranged in the transmission area to overlap with the step area.

[0009] In addition, the above and other purposes can be achieved by providing a display device, which includes: a non-transmission area, which includes a first light-emitting area and a second light-emitting area; a transmission area, which is arranged on one side of the non-transmission area and transmits light; a first color filter, which is arranged to correspond to the first light-emitting area in the non-transmission area; and a first color compensation layer, which overlaps with at least a portion of the transmission area, wherein the first color compensation layer is arranged to have a transmittance of light in a wavelength range equal to or greater than 380nm and less than 500nm greater than the transmittance of light in a wavelength range equal to or greater than 500nm and less than 780nm, and a transmittance of light in a wavelength range equal to or greater than 380nm and less than 500nm is equal to or greater than 20%.

[0010] In addition, the above and other purposes can be achieved by providing a display device, which includes: a substrate, the substrate including a transmission area and a non-transmission area; a first insulating layer, the first insulating layer is arranged on the substrate; a dam, the dam is arranged on the first insulating layer, and the dam defines a first light-emitting area and a second light-emitting area; a step area, the step area is arranged in the transmission area and at a boundary area close to the non-transmission area, and one end of the first insulating layer and one end of the dam are arranged in the step area; and a first color compensation layer, the first color compensation layer is arranged to overlap with the step area and has a complementary color relationship with the light passing through the transmission area.

[0011] According to exemplary embodiments of the present disclosure, by forming a color compensation layer that transmits light of a certain wavelength band so as to overlap with a stepped region formed at the boundary of the transmissive region, the phenomenon of light passing through the transmissive region becoming yellowish due to light refracted from the stepped region can be reduced or eliminated. Furthermore, since the degree of diffraction of light passing through the rear surface of the transparent display panel in the stepped region is reduced, the background of the rear surface can be more clearly seen, thereby improving the user's visual perception.

[0012] According to exemplary embodiments of the present disclosure, by forming a color compensation layer for transmitting light of a certain wavelength band on a stepped region formed at the boundary of the transmissive region, the yellowish cast of light passing through the transmissive region can be minimized or reduced, and diffraction of light passing through the transmissive region can be reduced, thereby improving blurriness on the rear surface of the transparent display device. Even when fine errors occur when the first and second substrates are bonded, the yellowish cast of light passing through the transmissive region is reduced or eliminated, or diffraction of light passing through the transmissive region is reduced, allowing the rear surface of the transparent display device to be more clearly viewed.

[0013] According to an exemplary embodiment of the present disclosure, by separating each color filter using a color compensation layer instead of a black matrix that separates the color filters, the visibility of light passing through the transmission area can be improved by forming the color filter in the same process as the color filter formation process of the transmissive blue B without adding a mask.

[0014] The effects according to the present disclosure are not limited to the above-exemplified contents, and more various effects are included in the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and other objects, features and other advantages of the present disclosure will be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:

[0016] Figure 1 is a perspective view schematically illustrating a transparent display device according to an exemplary embodiment of the present disclosure.

[0017] Figure 2 is a plan view schematically illustrating a transparent display device according to an exemplary embodiment of the present disclosure.

[0018] Figure 3 is a diagram illustrating a transparent display device according to an exemplary embodiment of the present disclosure, Figure 2 Floor plan of area 'A'.

[0019] Figure 4 is a diagram illustrating a transparent display device according to an exemplary embodiment of the present disclosure, Figure 3 Floor plan of area 'B'.

[0020] Figure 5 is a diagram illustrating a transparent display device according to an exemplary embodiment of the present disclosure, Figure 4 Cross-sectional view along line II'.

[0021] Figure 6 is a graph showing transmittance of a first color compensation layer provided in a transparent display device according to an exemplary embodiment of the present disclosure for each wavelength band.

[0022] Figure 7 is a transparent display device according to another exemplary embodiment of the present disclosure, along Figure 4 Cross-sectional view along line II'.

[0023] Figure 8 is a diagram illustrating a transparent display device according to another exemplary embodiment of the present disclosure, Figure 3 Floor plan of area 'B'.

[0024] Figure 9 is a diagram illustrating a transparent display device according to another exemplary embodiment of the present disclosure, Figure 8 Cross-sectional view along line II-II'.

[0025] Figure 10 is a graph illustrating transmittance for each wavelength band at a boundary of any one light emitting region provided in a transparent display device according to another exemplary embodiment of the present disclosure.

[0026] Figure 11 is a diagram illustrating a transparent display device according to another exemplary embodiment of the present disclosure, Figure 8 Cross-sectional view along line III-III'.

[0027] Figure 12 is a graph illustrating transmittance for each wavelength band at a boundary of any one light emitting region provided in a transparent display device according to another exemplary embodiment of the present disclosure.

[0028] Figure 13 is a diagram illustrating a transparent display device according to another exemplary embodiment of the present disclosure, Figure 3 Floor plan of area 'B'.

[0029] Figure 14 is a transparent display device according to another exemplary embodiment of the present disclosure, along Figure 13 Cross-sectional view along line IV-IV'.

[0030] Figure 15 is a diagram illustrating a transparent display device according to another exemplary embodiment of the present disclosure, Figure 13 Cross-sectional view along line V-V'.

[0031] Figure 16 is a diagram illustrating a transparent display device according to another embodiment of the present disclosure, Figure 3 Floor plan of area 'B'.

[0032] Figure 17 is a transparent display device according to another embodiment of the present disclosure, Figure 16 Cross-sectional view along line VI-VI'.

[0033] Figure 18 is a diagram illustrating a transparent display device according to another embodiment of the present disclosure, Figure 3 Floor plan of area 'B'.

[0034] Figure 19 is a transparent display device according to another embodiment of the present disclosure, Figure 18 Cross-sectional view along line VII-VII'.

[0035] Figure 20 is a diagram illustrating a transparent display device according to another embodiment of the present disclosure, Figure 3 Floor plan of area 'B'.

[0036] Figure 21 is a transparent display device according to another exemplary embodiment of the present disclosure, along Figure 20 Cross-sectional view along line VIII-VIII'.

[0037] Figure 22 is a diagram illustrating a transparent display device according to another embodiment of the present disclosure, Figure 3 Floor plan of area 'B'.

[0038] Figure 23 is a transparent display device according to another embodiment of the present disclosure, Figure 20 Cross-sectional view along line IX-IX'.

[0039] Throughout the drawings and detailed description, unless otherwise described, the same drawing reference numerals should be understood to refer to the same elements, features, and structures. The relative sizes and depictions of these elements may be exaggerated for clarity, illustration, and convenience. DETAILED DESCRIPTION

[0040] The advantages and features of the present disclosure and their implementation methods are explained below in conjunction with the accompanying drawings. However, the present disclosure can be embodied in different forms and should not be construed as limited to the exemplary embodiments set forth herein. Rather, these exemplary embodiments are provided so that the present disclosure will be thorough and complete and will fully convey the scope of the present disclosure to those skilled in the art. Furthermore, the present disclosure is limited only by the scope of the claims.

[0041] The shapes, sizes, dimensions (e.g., length, width, height, thickness, radius, diameter, area, etc.), ratios, angles, and quantities of the elements disclosed in the accompanying drawings for describing the exemplary embodiments of the present disclosure are merely examples, and therefore the present disclosure is not limited to the details shown. The same reference numerals always refer to the same elements. In the following description, when a detailed description of a related known function or configuration is determined to be unnecessary to obscure the focus of the present disclosure, the detailed description will be omitted.

[0042] When the terms “include,” “have,” “include,” “contain,” “compose,” “made of,” “formed of,” or “composed of” are used in this specification, another part may also be present unless “only” is used. Terms in the singular form may include plural forms unless otherwise specified.

[0043] The dimensions including size and thickness of the various components shown in the drawings are shown for ease of description, and the present disclosure is not limited to the dimensions and thickness of the components shown, but it should be noted that the relative dimensions including relative size, position and thickness of the components shown in the various drawings submitted herein are part of the present disclosure.

[0044] When configuring an element, the element is interpreted as including an error region although there is no explicit description thereof.

[0045] When describing a positional relationship, for example, when the positional order is described as "on," "over," "above," "under," "below," "beside," "under," "near," "near," "adjacent," "to the side of," or "close to," situations where there is no contact between them may be included unless "exactly" or "directly" is used.

[0046] Spatially relative terms may be used herein, such as "below," "beneath," "under," "lower," "above," "upper," etc., to describe the relationship of one element or feature to another element or feature as shown in the figures. It should be understood that in addition to the orientation shown in the figures, spatially relative terms can also include different orientations of elements in use or operation. For example, if the elements in the figures are inverted, elements described as being "below" or "below" other elements or features will be oriented as being "above" other elements or features. Thus, the exemplary term "below" can include both below and above orientations. Similarly, the exemplary terms "above" or "above" can include both above and below orientations.

[0047] If a first element is referred to as being "on" a second element, this does not mean that the first element is actually above the second element in the drawings. The upper and lower parts of the objects involved can vary depending on the orientation of the objects. Therefore, a case where a first element is "on" a second element includes cases where the first element is "below" the second element in the drawings or in actual configuration, as well as cases where the first element is "above" the second element.

[0048] When describing a temporal relationship, for example, when a time sequence is described as "after," "subsequently," "next," and "before," discontinuous cases may be included unless "just" or "directly" is used.

[0049] It should be understood that although the terms "first," "second," "A," "B," "(a)," "(b)," etc., may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element.

[0050] In addition, when describing the components of the present disclosure, terms such as first, second, A, B, (a), (b), etc. may be used herein. Each of these terms is not used to limit the nature, order, or sequence of the corresponding components, but is only used to distinguish the corresponding components from other components. When describing that a certain structural element or layer is "connected," "coupled," "bonded," or "joined" to another structural element or layer, it is generally interpreted that the other structural element or layer can be "connected," "coupled," "bonded," or "joined" to the structural element or layer directly or indirectly.

[0051] It should be understood that the term "at least one" includes all combinations related to any one item. For example, "at least one of a first element, a second element, and a third element" may include all combinations of two or more elements selected from the first element, the second element, and the third element, as well as each element of the first element, the second element, and the third element.

[0052] The term "device" as used herein may refer to a display device including a display panel and a driver for driving the display panel. Examples of display devices may include light-emitting elements, etc. In addition, examples of devices may include laptop computers, televisions, computer monitors, automotive devices, wearable devices, and automotive equipment devices, as well as complete electronic devices (or devices) or complete sets of devices (or devices) each including a light-emitting element as a complete product or final product, for example, mobile electronic devices such as smartphones or electronic tablets, but embodiments of the present disclosure are not limited thereto.

[0053] The features of the various exemplary embodiments of the present disclosure may be coupled or combined with each other in part or in whole, and may interoperate and drive each other in various technical ways, and may be implemented independently of each other or implemented together in a mutually dependent relationship. In addition, the term "may" includes all meanings and scopes of the term "can." The term "disclosure" may be used interchangeably with the term "invention" or include all meanings and scopes of the term "invention."

[0054] Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the example embodiments belong. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and should not be interpreted in an idealized or overly formal sense unless explicitly defined as such herein.

[0055] In the drawings, the same or similar elements are denoted by the same reference numerals even though they are shown in different drawings.

[0056] In the exemplary embodiments of the present disclosure, for ease of description, the source electrode and the drain electrode are distinguished from each other. However, the source electrode and the drain electrode can be used interchangeably. Therefore, the source electrode can be a drain electrode, and the drain electrode can be a source electrode. Furthermore, the source electrode in any exemplary embodiment of the present disclosure can be a drain electrode in another exemplary embodiment of the present disclosure, and the drain electrode in any exemplary embodiment of the present disclosure can be a source electrode in another exemplary embodiment of the present disclosure.

[0057] In one or more exemplary embodiments of the present disclosure, for ease of description, the source region is separated from the source electrode region, and the drain region is separated from the drain electrode region. However, the exemplary embodiments of the present disclosure are not limited to this structure. For example, the source region may be a source electrode, and the drain region may be a drain electrode. In addition, the source region may be a drain electrode, and the drain region may be a source electrode. In addition, all components of each display device or apparatus according to all exemplary embodiments of the present disclosure are operably connected and configured.

[0058] Figure 1 is a perspective view schematically showing a transparent display device according to an exemplary embodiment of the present disclosure, and Figure 2 FIG. 1 is a plan view schematically illustrating a transparent display device according to an exemplary embodiment of the present disclosure.

[0059] Hereinafter, the X-axis represents a direction parallel to the gate line, the Y-axis represents a direction parallel to the data line, and the Z-axis represents a height direction of the transparent display device 10 .

[0060] Although the transparent display device 10 according to the exemplary embodiment of the present disclosure is mainly described as an organic light emitting transparent display, it may also be implemented as a liquid crystal display LCD, a plasma display panel PDP, a quantum dot light emitting display QLED, or an electrophoretic transparent display.

[0061] Reference Figure 1 and Figure 2 , a transparent display device 10 according to an exemplary embodiment of the present disclosure includes a display panel 100 , a source driver integrated circuit (hereinafter referred to as “IC”) 510 , a flexible film 520 , a circuit board 530 , and a timing controller 540 .

[0062] The display panel 100 may include a first substrate 100a and a second substrate 100b facing each other. The second substrate 100b may be an encapsulation substrate. The first substrate 100a may be a plastic film, a glass substrate, or a silicon wafer substrate formed using a semiconductor process. The second substrate 100b may be a plastic film, a glass substrate, or an encapsulation film. The first substrate 100a and the second substrate 100b may be made of a transparent material.

[0063] The display panel 100 may be divided into a display area DA in which pixels are formed to display an image and a non-display area NDA in which no image is displayed. For example, the non-display area NDA may partially or completely surround the display area DA, but is not limited thereto.

[0064] The display panel 100 may include a plurality of signal lines disposed on a substrate. For example, a first signal line SL1, a second signal line SL2, and pixels may be disposed in the display area DA, and a pad area PA having pads and at least one gate driver 505 may be disposed in the non-display area NDA.

[0065] The first signal line SL1 may extend in a first direction (e.g., the Y-axis direction (e.g., the column direction)) and may intersect the second signal line SL2 in the display area DA. The second signal line SL2 may extend in a second direction, e.g., the X-axis direction (e.g., the row direction) in the display area DA (e.g., a direction intersecting the Y-axis direction). Pixels are provided in an area where the first signal line SL1 is provided or in an area where the first signal line SL1 and the second signal line SL2 intersect, and emit predetermined light to display an image.

[0066] The source driver circuit may include a source driver IC 510. The source driver IC 510 receives digital video data and a source control signal from the timing controller 540. The source driver IC 510 converts the digital video data into an analog data voltage according to the source control signal, and provides the converted analog data voltage corresponding to the image (or video) signal to the data line. When the source driver IC 510 is manufactured as a driver chip, for example, the source driver IC 510 can be mounted on the flexible film 520 in a chip on film (COF) or chip on plastic (COP) manner, or can be connected to the display panel 100 by a chip on glass (COG) method or a tape carrier package (TCP) method, but is not limited thereto.

[0067] Wiring connecting the pads and the source driver IC 510 and wiring connecting the pads and the circuit board 530 may be formed in the flexible film 520. The flexible film 520 is attached to the pads using an anisotropic conductive film, so the flexible film 520 and the wiring of the pads can be connected to each other.

[0068] The circuit board 530 may be attached to the flexible film 520. A plurality of circuits implemented using a driving chip may be mounted on the circuit board 530. For example, the timing controller 540 may be mounted on the circuit board 530. The circuit board 530 may be a printed circuit board or a flexible printed circuit board.

[0069] The timing controller 540 receives digital video data and timing signals from an external system board (not shown). Based on the timing signals, the timing controller 540 generates a gate control signal for controlling the operation timing of the gate driver 505 and a source control signal for controlling the source driver IC 510. The timing controller 540 supplies the gate control signal to the gate driver 505 and supplies the source control signal to the source driver IC 510.

[0070] Figure 3 is a plan view of a transparent display device according to an exemplary embodiment of the present disclosure. In this case, Figure 3 yes Figure 2 Magnified view of area A.

[0071] like Figure 3 As shown, the display area DA includes a transmissive area TA and a non-transmissive area NTA. The transmissive area TA allows most of the light incident from the outside to pass through, while the non-transmissive area NTA does not transmit most of the light incident from the outside. For example, the transmissive area TA may have a light transmittance greater than α%, and the non-transmissive area NTA may have a light transmittance less than β%. In this case, α is a value greater than β. Due to the transmissive area TA, the transparent display panel (display panel) 100 can see an object or background located behind the transparent display panel 100.

[0072] The first non-transmission area NTA1, the second non-transmission area NTA2, and the pixel P may be disposed in the non-transmission area NTA.

[0073] like Figure 3 As shown, the first non-transmission area NTA1 may extend along a first direction (e.g., the Y-axis direction) in the display area DA and may be arranged to overlap at least a portion of the emission areas EA1, EA2, EA3, and EA4. In the transparent display panel 100, a plurality of first non-transmission areas NTA1 are spaced apart from each other, and a transmission area TA may be provided between two adjacent first non-transmission areas NTA1. In the first non-transmission areas NTA1, the first signal lines SL1 extending along the first direction (e.g., the Y-axis direction) may be spaced apart from each other.

[0074] The first signal line SL1 may include at least one of a common power line, a reference line, a data line, and a pixel power line.

[0075] The pixel power line may supply a first power to the driving transistor T of each of the sub-pixels SP1, SP2, SP3, and SP4 disposed in the display area DA. The common power line may supply a second power to the cathode electrodes of the sub-pixels SP1, SP2, SP3, and SP4 disposed in the display area DA. In this case, the second power may be a common power source commonly supplied to the sub-pixels SP1, SP2, SP3, and SP4.

[0076] The reference line may supply an initialization voltage (or reference voltage) to the driving transistor T of each of the subpixels SP1, SP2, SP3, and SP4 disposed in the display area DA. Each of the data lines may supply a data voltage to the subpixels SP1, SP2, SP3, and SP4.

[0077] The transparent display panel 100 according to an exemplary embodiment of the present disclosure includes a pixel P located between adjacent transmissive areas TA, and the pixel P may include light-emitting areas EA1, EA2, EA3, and EA4, and light-emitting elements are provided in the light-emitting areas EA1, EA2, EA3, and EA4 to emit light. Since the transparent display panel 100 has a small area of ​​the non-transmissive area NTA, the circuit element can be provided to overlap with the light-emitting areas EA1, EA2, EA3, and EA4.

[0078] like Figure 3As shown, the second non-transmission area NTA2 may extend in the display area DA along the second direction (e.g., the X-axis direction) and may be arranged to overlap at least a portion of the emission areas EA1, EA2, EA3, and EA4. In the transparent display panel 100, a plurality of second non-transmission areas NTA2 are arranged to be spaced apart from each other, and a transmission area TA may be provided between two adjacent second non-transmission areas NTA2. The second signal line SL2 may be provided in the second non-transmission area NTA2.

[0079] The second signal line SL2 may extend in a second direction (eg, X-axis direction) and may include, for example, a gate line (not shown) that may supply a gate signal to the subpixels SP1, SP2, SP3, and SP4 of the pixel P.

[0080] like Figure 3 As shown, each pixel P may include a first sub-pixel SP1, a second sub-pixel SP2, a third sub-pixel SP3, and a fourth sub-pixel SP4. The first sub-pixel SP1 may include a first light-emitting area EA1 that emits a first color light, and the second sub-pixel SP2 may include a second light-emitting area EA2 that emits a second color light. The third sub-pixel SP3 may include a third light-emitting area EA3 that emits a third color light, and the fourth sub-pixel SP4 may include a fourth light-emitting area EA4 that emits a fourth color light.

[0081] For example, the first to fourth light-emitting areas EA1, EA2, EA3, and EA4 may all emit light of different colors. For example, the first light-emitting area EA1 may emit blue light, and the second light-emitting area EA2 may emit red light. The third light-emitting area EA3 may emit green light, and the fourth light-emitting area EA4 may emit white light. However, the present disclosure is not limited to this. In addition, the arrangement order of each of the sub-pixels SP1, SP2, SP3, and SP4 may be changed differently.

[0082] For example, the plurality of sub-pixels SPX may include a red sub-pixel, a green sub-pixel, and a blue sub-pixel, wherein the red sub-pixel, the green sub-pixel, and the blue sub-pixel may be arranged in a repeated manner. Alternatively, the plurality of sub-pixels SPX may include a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel, wherein the red sub-pixel, the green sub-pixel, the blue sub-pixel, and the white sub-pixel may be arranged in a repeated manner, or the red sub-pixel, the green sub-pixel, the blue sub-pixel, and the white sub-pixel may be arranged in a quadrilateral type. For example, the red sub-pixel, the blue sub-pixel, and the green sub-pixel may be arranged sequentially along the row direction, or the red sub-pixel, the blue sub-pixel, the green sub-pixel, and the white sub-pixel may be arranged sequentially along the row direction. However, in an embodiment of the present disclosure, the color type, arrangement type, and arrangement order of the sub-pixels are not limited, and may be configured in various forms according to the luminous characteristics, device life, and device specifications.

[0083] Furthermore, subpixels may have different light-emitting areas depending on their light-emitting characteristics. For example, a subpixel emitting light of a color different from that of a blue subpixel may have a light-emitting area different from that of the blue subpixel. For example, a red subpixel, a blue subpixel, and a green subpixel, or a red subpixel, a blue subpixel, a white subpixel, and a green subpixel may each have a different light-emitting area.

[0084] Figure 4 is a plan view of a transparent display device according to an exemplary embodiment of the present disclosure. In this case, Figure 4 yes Figure 3 Magnified view of area B.

[0085] like Figure 4 As shown, the transparent display device according to an exemplary embodiment of the present disclosure may include a transmission area TA and a first light-emitting area EA1, a second light-emitting area EA2, a third light-emitting area EA3 and a fourth light-emitting area EA4 arranged on one side (e.g., the left side) of the transmission area TA.

[0086] Color filters CF1, CF2, and CF3 may be formed to correspond to the first, second, and third emission areas EA1, EA2, and EA3, respectively. For example, a first color filter CF1 for transmitting blue B light may be formed in the first emission area EA1, a second color filter CF2 for transmitting red R light may be formed in the second emission area EA2, and a third color filter CF3 for transmitting green G light may be formed in the third emission area EA3.

[0087] Therefore, light emitted from the first light emitting area EA1 can pass through the first color filter CF1 to display blue B, light emitted from the second light emitting area EA2 can pass through the second color filter CF2 to display red R, and light emitted from the third light emitting area EA3 can pass through the third color filter CF3 to display green G.

[0088] In addition, a separate color filter may not be provided in the fourth light emitting area EA4. Therefore, light emitted from the fourth light emitting area EA4 may display white W.

[0089] A black matrix BM for separating the first to third color filters CF1 to CF3 may be formed around each of the first to fourth emission areas EA1 to EA4. The black matrix BM may be formed to overlap at least a portion of the first to fourth emission areas EA1 to EA4, but is not limited thereto.

[0090] In addition, although not specifically shown in the drawings, the black matrix BM may not be provided on the side of the fourth light-emitting area EA4 displaying the white color W, for example, on the side between the fourth light-emitting area EA4 and the transmissive area TA. Since the black matrix BM is not provided between the fourth light-emitting area EA4 and the transmissive area TA, an additional margin for preventing light leakage can be ensured.

[0091] According to an exemplary embodiment of the present disclosure, the first color compensation layer CPL1 may be disposed to surround the transmission area TA. Specifically, the first color compensation layer CPL1 may be disposed to surround the transmission area TA and may overlap at least a portion of the transmission area TA. By forming in this manner, the first substrate (see FIG. 1 ) of the transparent display device according to the exemplary embodiment may be minimized or reduced. Figure 1 The problem of yellowing of light introduced by the lower surface of 100a) and the problem of reduced vision of the user due to the blurred back surface of the transparent display device when it passes through the transmissive area TA. In this regard, reference will be made to Figure 5 Describe in more detail.

[0092] The first color compensation layer CPL1 can be formed of the same material as the first color filter CF1, but is not limited thereto. Figure 6 The transmittance of light according to the wavelength of the first color compensation layer CPL1 is described in more detail.

[0093] Figure 5 is a cross-sectional view of a transparent display device according to an exemplary embodiment of the present disclosure. In this case, Figure 5 Corresponding to Figure 4 , and relates to the first light emitting area EA1, the second light emitting area EA2, and the transmission area TA.

[0094] like Figure 5 As shown, the transparent display device according to an exemplary embodiment of the present disclosure may include a first substrate 100a, a buffer layer 110, an active layer 120, a gate insulating layer 130, a gate electrode 140, an interlayer insulating layer 150, a source electrode 161, a drain electrode 162, a planarization layer 170, a first electrode 180, a dam 190, a light-emitting layer 200, a second electrode 210, an encapsulation layer 220, a black matrix BM, a first color filter CF1, a second color filter CF2, a first color compensation layer CPL1 and a second substrate 100b.

[0095] The first substrate 100a may be made of glass or plastic. Specifically, the first substrate 100a may be made of a transparent plastic having flexible properties, such as polyimide. When polyimide is used as the first substrate 100a, considering that a high-temperature deposition process is performed on the first substrate 100a, a heat-resistant polyimide that can withstand high temperatures may be used.

[0096] The buffer layer 110 may be formed on the first substrate 100a. The buffer layer 110 may protect the active layer 120 by blocking air and moisture. The buffer layer 110 may be made of an inorganic insulating material, such as silicon oxide, silicon nitride, or metal oxide. For example, the buffer layer 110 may be formed by a single layer or a multilayer inorganic film. For example, the single layer inorganic film may be a silicon oxide (SiOx) film or a silicon nitride (SiNx) film, and the multilayer inorganic film may be formed by alternately stacking one or more layers of silicon oxide (SiOx) film, one or more layers of silicon nitride (SiNx) film, and one or more layers of amorphous silicon (a-Si). However, it is not limited thereto and may be made of an organic insulating material. However, depending on the structure or characteristics of the display device, the buffer layer 110 may not be included.

[0097] The buffer layer 110 may be formed on the entire surface of the first substrate 100a, but is not limited thereto, and may be formed to cover a portion of the transmissive area TA. For example, one end (e.g., the right end) of the buffer layer 110 may be disposed in the transmissive area TA and may be disposed in the step area GA. For example, in the transmissive area TA, the buffer layer 110 may be disposed only in the step area GA and not in other areas except the step area GA.

[0098] The active layer 120 may be formed on the buffer layer 110. The active layer 120 may include any one of semiconductor materials, such as an oxide semiconductor, an amorphous semiconductor, or a polycrystalline semiconductor, but is not limited thereto.

[0099] Oxide semiconductor materials can have excellent effects in preventing leakage current and relatively cheap manufacturing costs. Oxide semiconductors can be made of metal oxides such as zinc (Zn), indium (In), gallium (Ga), tin (Sn) and titanium (Ti) or combinations of metals such as zinc (Zn), indium (In), gallium (Ga), tin (Sn) or titanium (Ti) and their oxides. Specifically, oxide semiconductors can include zinc oxide (ZnO), zinc tin oxide (ZTO), zinc indium oxide (ZIO), indium oxide (InO), titanium oxide (TiO), indium gallium zinc oxide (IGZO), indium zinc tin oxide (IZTO), indium zinc oxide (IZO), indium gallium tin oxide (IGTO) and indium gallium oxide (IGO), but are not limited thereto.

[0100] Polycrystalline semiconductor materials have a fast moving speed of carriers such as electrons and holes, and thus have high mobility, low power consumption, and excellent reliability. Polycrystalline semiconductors may be made of polycrystalline silicon (poly-Si), but are not limited thereto.

[0101] The amorphous semiconductor material may be made of amorphous silicon (a-Si), but is not limited thereto.

[0102] Although not specifically shown, the active layer 120 includes a channel portion that overlaps with the gate electrode 140 to maintain semiconductor properties during a conductive process and remains non-conductive, as well as a first connecting portion provided on one side (e.g., the left side) of the channel portion and provided with conductive properties through a conductive process, and a second connecting portion provided on the other side (e.g., the right side) of the channel portion. In this case, the conductive process may be, for example, a process in which a semiconductor material is subjected to plasma treatment using the gate electrode 140 as a mask, but is not limited thereto. The first connecting portion and the second connecting portion have excellent conductive properties through the conductive process and can function as electrodes or wiring.

[0103] The gate insulating layer 130 may be formed on the active layer 120. The gate insulating layer 130 may be formed on the entire surface of the first substrate 100a, but the present disclosure is not limited thereto, and a partial region of the gate insulating layer 130 may be patterned so that one end and the other end of the gate insulating layer 130 correspond to one end and the other end of the gate electrode 140, respectively.

[0104] The gate insulating layer 130 may be formed on the entire surface of the first substrate 100a, but is not limited thereto, and may be formed to cover a portion of the transmission area TA. For example, one end (e.g., the right end) of the gate insulating layer 130 may be disposed in the transmission area TA and may be disposed in the step area GA. For example, in the transmission area TA, the gate insulating layer 130 is disposed only in the step area GA and is not disposed in other areas except the step area GA. In this case, one end of the gate insulating layer 130 may correspond to, for example, one end of the buffer layer 110, but is not limited thereto. For example, as Figure 5 As shown, one end of the gate insulating layer 130 and one end of the buffer layer 110 overlap in the step area GA of the transmission area TA, but the present disclosure is not limited thereto.

[0105] The gate insulating layer 130 may include a silicon nitride (SiNx) film or a silicon oxide (SiOx) film. For example, the gate insulating layer 130 may be formed by a single layer or multiple layers of inorganic films. For example, the single layer of inorganic film may be a silicon oxide (SiOx) film or a silicon nitride (SiNx) film, and the multilayer inorganic film may be formed by alternately stacking one or more layers of silicon oxide (SiOx) film, one or more layers of silicon nitride (SiNx) film, and one or more layers of amorphous silicon (a-Si), but is not limited thereto. The gate insulating layer 130 may be formed by a single layer or multiple layers including an inorganic insulating material and / or an organic insulating material.

[0106] The gate electrode 140 may be formed on the gate insulating layer 130 .

[0107] The gate electrode 140 may include at least one of an aluminum-based metal such as aluminum (Al) or an aluminum alloy, a silver-based metal such as silver (Ag) or a silver alloy, a copper-based metal such as copper (Cu) or a copper alloy, a molybdenum-based metal such as molybdenum (Mo) or a molybdenum alloy, chromium (Cr), tantalum (Ta), neodymium (Nd), and titanium (Ti). The gate electrode 140 may have a structure including one metal layer or a multilayer structure including at least two metal layers each having different physical properties, but is not limited thereto.

[0108] The interlayer insulating layer 150 may be formed on the gate electrode 140. The interlayer insulating layer 150 insulates between the gate electrode 140 and the source electrode 161, and further insulates between the gate electrode 140 and the drain electrode 162. For example, the interlayer insulating layer 150 may be formed of a single layer or multiple layers including an inorganic insulating material and / or an organic insulating material. For example, the interlayer insulating layer 150 may be configured as a single layer or multiple layers made of silicon nitride (SiNx) or silicon oxide (SiOx). For example, the interlayer insulating layer 150 may be formed by a single layer or multiple layers of inorganic films, for example, the single layer of inorganic film may be a silicon oxide (SiOx) film or a silicon nitride (SiNx) film, and the multilayer inorganic film may be formed by alternately stacking one or more layers of silicon oxide (SiOx) film, one or more layers of silicon nitride (SiNx) film, and one or more layers of amorphous silicon (a-Si), but the present disclosure is not limited thereto.

[0109] Contact holes may be formed in the interlayer insulating layer 150. Accordingly, one side (eg, a portion of the right side) of the active layer 120 may be exposed by one contact hole, and further, the other side (eg, a portion of the left side) of the active layer 120 may be exposed by another contact hole.

[0110] The interlayer insulating layer 150 may be formed on the entire surface of the first substrate 100a, but is not limited thereto, and may be formed to cover a partial area of ​​the transmission area TA. For example, one end (e.g., the right end) of the interlayer insulating layer 150 may be disposed in the transmission area TA and may be disposed in the step area GA. For example, in the transmission area TA, the interlayer insulating layer 150 is disposed only in the step area GA and is not disposed in other areas except the step area GA. In this case, one end of the interlayer insulating layer 150 may, for example, correspond to one end of the buffer layer 110 and one end of the gate insulating layer 130, but is not limited thereto. For example, as Figure 5 As shown, one end of the interlayer insulating layer 150 overlaps one end of the gate insulating layer 130 and one end of the buffer layer 110 in the step area GA of the transmission area TA, but the present disclosure is not limited thereto.

[0111] The source electrode 161 and the drain electrode 162 may be disposed on the interlayer insulating layer 150 .

[0112] The source electrode 161 may be electrically connected to one side of the active layer 120 through a contact hole, and the drain electrode 162 may be electrically connected to the other side of the active layer 120 through a contact hole.

[0113] The source electrode 161 and the drain electrode 162 may be formed of the same material as the gate electrode 140, but are not limited thereto. For example, each of the source electrode 161 and the drain electrode 162 may include at least one of an aluminum-based metal such as aluminum (Al) or an aluminum alloy, a silver-based metal such as silver (Ag) or a silver alloy, a copper-based metal such as copper (Cu) or a copper alloy, a molybdenum-based metal such as molybdenum (Mo) or a molybdenum alloy, chromium (Cr), tantalum (Ta), neodymium (Nd), and titanium (Ti). Each of the source electrode 161 and the drain electrode 162 may have a structure including one metal layer or a multilayer structure including at least two metal layers each having different physical properties, but is not limited thereto. In addition, each of the source electrode 161 and the drain electrode 162 may be formed of a material according to knowledge in the art.

[0114] The planarization layer 170 may be formed on the interlayer insulating layer 150 , the source electrode 161 , and the drain electrode 162 . The planarization layer 170 may be formed on the source electrode 161 and the drain electrode 162 to planarize an upper surface of the planarization layer 170 .

[0115] A contact hole is provided in the planarization layer 170 , and a portion of the upper surface of the source electrode 161 may be exposed by the contact hole. However, in some cases, a portion of the upper surface of the drain electrode 162 may be exposed by the contact hole, and the present disclosure is not limited thereto.

[0116] The planarization layer 170 may be formed of an organic insulating material, such as, for example, acrylic resin, epoxy resin, phenolic resin, polyamide resin, or polyimide resin.

[0117] The planarization layer 170 may be formed up to a portion of the transmission area TA. For example, one end (eg, the right end) of the planarization layer 170 may be disposed in the transmission area TA and may be disposed in the step area GA. Figure 5 As shown, one end of the planarization layer 170 partially overlaps, for example, one end of the buffer layer 110 , the gate insulating layer 130 , and the interlayer insulating layer 150 in the step area GA of the transmission area TA, but the present disclosure is not limited thereto.

[0118] One end of the planarization layer 170 may not overlap with, for example, one end of the buffer layer 110 , the gate insulating layer 130 , and the interlayer insulating layer 150 .

[0119] The first electrode 180 may be formed on the planarization layer 170 and may be electrically connected to the source electrode 161 through a contact hole provided in the planarization layer 170. The first electrode 180 may function as an anode electrode.

[0120] The first electrode 180 may be patterned to correspond to the first sub-pixel SP1 and the second sub-pixel SP2 .

[0121] The bank 190 may be formed on the first electrode 180. In this case, a portion of the upper surface of the first electrode 180 that is not covered by the bank 190 and is exposed becomes a light emitting region.

[0122] The bank 190 may be provided at the boundary between the plurality of sub-pixels SPX and suppress color mixing of the light beams from the plurality of sub-pixels SPX. The bank 190 may include an inorganic insulating material such as silicon nitride (SiNx) or silicon oxide (SiOx), or may be formed of an organic layer such as an acrylic resin, an epoxy resin, a phenolic resin, a polyamide resin, or a polyimide resin. For example, the bank 190 may be formed of a black resin. However, the present disclosure is not limited thereto.

[0123] The bank 190 may be formed up to a portion of the transmission area TA. For example, one end (eg, the right end) of the bank 190 may be disposed in the transmission area TA and may be disposed in the step area GA. Figure 5 As shown, one end of the bank 190 partially overlaps one end of the planarization layer 170 in the step area GA of the transmission area TA, but the present disclosure is not limited thereto.

[0124] For example, one end of the bank 190 may not coincide with one end of the planarization layer 170. By forming in this manner, a portion of the upper surface of the planarization layer 170 may be exposed from the bank 190.

[0125] According to an exemplary embodiment of the present disclosure, a step area GA may be formed in a boundary area between the non-transmission area NTA and the transmission area TA. In the non-transmission area NTA, a plurality of insulating layers, such as a buffer layer 110, a gate insulating layer 130, an interlayer insulating layer 150, a planarization layer 170, and a bank 190, are formed, while in the transmission area TA, a plurality of insulating layers are not formed, so a step area having a predetermined thickness is formed between the non-transmission area NTA and the transmission area TA, and in the present disclosure, it may be defined as the step area GA. Alternatively, in Figure 5 , the step area GA is illustrated as a part of the transmission area TA, however, the present disclosure is not limited thereto, and the step area GA may be a separate area between the non-transmission area NTA and the transmission area TA.

[0126] The light-emitting layer 200 may be formed on the first electrode 180. The light-emitting layer 200 may be formed, for example, of a white light-emitting layer connected to all pixels. When the light-emitting layer 200 is formed of a white light-emitting layer, the light-emitting layer 200 may include, for example, a first stack including a blue light-emitting layer, a second stack including a yellow-green light-emitting layer, and a charge generation layer disposed between the first stack and the second stack. Another exemplary embodiment of the light-emitting layer 200 may include, for example, a first stack including a blue light-emitting layer, a second stack including a yellow-green light-emitting layer, a third stack including, for example, a blue light-emitting layer, a first charge generation layer disposed between the first stack and the second stack, and a second charge generation layer disposed between the second stack and the third stack, but is not limited thereto.

[0127] The light emitting layer 200 may be formed on the entire surface of the first light emitting area EA1, the second light emitting area EA2, and the transmissive area TA. However, the present disclosure is not limited thereto, and the light emitting layer 200 may be partially patterned and may not be provided in the transmissive area TA. Alternatively, the light emitting layer 200 may be partially patterned and may not be provided in the transmissive area TA except for the step area GA.

[0128] The light-emitting layer 200 may be provided to cover the upper surface and one side surface (e.g., right side surface) of the bank 190 provided outside the second light-emitting area EA2 in the stepped area GA, and may be provided to cover the upper surface and one side surface (e.g., right side surface) of the planarization layer 170. In addition, the light-emitting layer 200 may be provided to cover one side surface (e.g., right side surface) of the buffer layer 110 and the gate insulating layer 130, and may cover a portion of the upper surface of the interlayer insulating layer 150. However, the present disclosure is not limited thereto.

[0129] The second electrode 210 may be formed on the light emitting layer 200. The second electrode 210 may function as a cathode.

[0130] The second electrode 210 may be formed on, for example, the bank 190 and the light emitting layer 200. Thus, the second electrode 210 may be formed on the entire surface of the first light emitting area EA1, the second light emitting area EA2, and the transmission area TA. However, the present disclosure is not limited thereto, and the second electrode 210 may be partially patterned and may not be provided in the transmission area TA.

[0131] The encapsulation layer 220 may be formed on the second electrode 210. The encapsulation layer 220 may be formed on the entire surface of the first substrate 100a. Therefore, it may be formed on the entire surfaces of the first subpixel SP1, the second subpixel SP2, and the first transmission area TA1.

[0132] The encapsulation layer 220 may include acrylic resin, epoxy resin, polyimide, polyethylene (PE), or silicon oxycarbide (SiOC).

[0133] However, although not specifically shown, the encapsulation layer 220 may include a first encapsulation layer comprising an inorganic material, a second encapsulation layer comprising an organic material, and a third encapsulation layer comprising an inorganic material. For example, the encapsulation layer 220 may have a multi-insulating film structure in which organic films and inorganic films are alternately stacked. The inorganic film can block the penetration of moisture or oxygen. The organic film can flatten the surface of the inorganic film. When the organic film and the inorganic film are stacked into multiple layers, the movement path of moisture or oxygen can be longer than that of a single layer, thereby effectively blocking the penetration of moisture and oxygen that affect the light-emitting layer 200. For example, the encapsulation layer 220 includes a first inorganic encapsulation layer, a second organic encapsulation layer, and a third inorganic encapsulation layer stacked in sequence.

[0134] The first inorganic encapsulation layer and the third inorganic encapsulation layer can be used to block the penetration of moisture or oxygen. The first inorganic encapsulation layer and the third inorganic encapsulation layer can be made of an inorganic material, for example, an inorganic material such as silicon nitride (SiNx), silicon oxide (SiOx), or aluminum oxide (AlOx). However, the present disclosure is not limited thereto.

[0135] The second organic encapsulation layer may be made of an organic material, and for example, may use epoxy polymer, acrylic polymer, etc. However, the present disclosure is not limited thereto.

[0136] In addition, the encapsulation layer 220 is not limited to three layers, and for example, may include n layers (where n is an integer greater than 3) in which inorganic encapsulation layers and organic encapsulation layers are alternately stacked.

[0137] The first and second color filters CF1 and CF2 may be formed on the encapsulation layer 220. Specifically, the first color filter CF1 may be disposed on the encapsulation layer 220 and may correspond to the first emission area EA1. In addition, the second color filter CF2 may be disposed on the encapsulation layer 220 and may correspond to the second emission area EA2.

[0138] The first color filter CF1 and the second color filter CF2 can transmit any one of red R, green G, and blue B, and the first color filter CF1 and the second color filter CF2 can transmit light having different colors. For example, the first color filter CF1 can transmit blue B light, and the second color filter CF2 can transmit red R light. Therefore, as Figure 4 As shown, light emitted from the first light emitting area EA1 may display blue B through the first color filter CF1, and light emitted from the second light emitting area EA2 may display red R through the second color filter CF2.

[0139] According to an exemplary embodiment of the present disclosure, the first color compensation layer CPL1 may be formed on the encapsulation layer 220. In this case, the first color compensation layer CPL1 may be formed on the same layer as the first and second color filters CF1 and CF2.

[0140] The first color compensation layer CPL1 can compensate for the color of light introduced from the lower surface of the first substrate 100a and passing through the insulating layer disposed in the stepped area GA, and can be output to the second substrate 100b. In this case, the first color compensation layer CPL1 can have, for example, a complementary color relationship with the plurality of insulating layers disposed in the stepped area GA. However, the present disclosure is not limited thereto.

[0141] Conventionally, light passing through the transmission area TA may appear yellowish, or the light passing through the transmission area TA may be diffracted by the multiple insulating layers provided in the step area GA, so that an object on the rear surface of the transparent display device may be visually recognized as blurred. According to an exemplary embodiment of the present disclosure, since the first color compensation layer CPL1 is formed in the area overlapping with the step area GA to compensate for the color of the light (e.g., the first light L1, the second light L2, and the third light L3) passing through the step area GA, the phenomenon that the light passing through the step area GA becomes yellowish can be minimized or alleviated. In addition, the first color compensation layer CPL1 is formed in the area overlapping with the step area GA to reduce the diffraction of the light passing through the step area GA, thereby improving the phenomenon that the image of the object placed behind the rear surface of the transparent display device appears blurred, thereby improving the user's visual perception.

[0142] The first color compensation layer CPL1 may be formed to overlap the step area GA. Specifically, one end (e.g., the right end) of the first color compensation layer CPL1 may protrude from the non-transmission area NTA to the transmission area TA, rather than the right ends of the buffer layer 110, the gate insulating layer 130, and the interlayer insulating layer 150. For example, one end (e.g., the right end) of the first color compensation layer CPL1 may extend beyond the right ends of the buffer layer 110, the gate insulating layer 130, and the interlayer insulating layer 150, and protrude into the transmission area TA excluding the step area GA. By forming in this manner, even if the third light L3 introduced from the lower surface of the first substrate 100a is refracted when passing through any of the buffer layer 110, the gate insulating layer 130, and the interlayer insulating layer 150, it can reach the first color compensation layer CPL1.

[0143] In addition, the second light L2 introduced from the lower surface of the first substrate 100a can be refracted when passing through the planarization layer 170 to reach the first color compensation layer CPL1, and the first light L1 introduced from the lower surface of the first substrate 100a can be refracted when passing through the embankment 190 to reach the first color compensation layer CPL1.

[0144] The black matrix BM may be formed on the encapsulation layer 220, the first and second color filters CF1 and CF2, and the first color compensation layer CPL1. Specifically, the black matrix BM may be formed between the first and second color filters CF1 and CF2, or between the second color filter CF2 and the first color compensation layer CPL1.

[0145] In addition, although not shown in detail, the black matrix BM overlaps the bank 190 and prevents light emitted from the first emission area EA1 and passing through the first color filter CF1 and light emitted from the second emission area EA2 and passing through the second color filter CF2 from mixing with each other.

[0146] The second substrate 100b may be formed on the black matrix BM. The second substrate 100b may be bonded to face the first substrate 100a. The second substrate 100b may be referred to as an opposite substrate.

[0147] The second substrate 100b may be made of glass or plastic. Specifically, the second substrate 100b may be made of a transparent plastic having flexible properties, such as polyimide.

[0148] Figure 6 is a graph showing transmittance of a first color compensation layer provided in a transparent display device according to an exemplary embodiment of the present disclosure for each wavelength band.

[0149] like Figure 6 As shown, a first color compensation layer may be provided (see Figure 5 The first color compensation layer (CPL1) is preferably a layer of a first color compensation layer (CPL1) having a wavelength greater than or equal to 380 nm and less than 500 nm, such that the transmittance of light within a wavelength range greater than or equal to 500 nm and less than 780 nm is greater than the transmittance of light within a wavelength range greater than or equal to 500 nm and less than 780 nm, and the transmittance of light within a wavelength range greater than or equal to 380 nm and less than 500 nm is greater than or equal to 20%. In this case, transmittance can be defined as the relative ratio of the intensity of light emitted from the material to the intensity of light introduced into the material. In the present disclosure, transmittance can be, for example, the relative ratio of the intensity of light emitted from the first color compensation layer (CPL1) to the intensity of light introduced into the first color compensation layer (CPL1).

[0150] According to an exemplary embodiment of the present disclosure, the first color compensation layer (see Figure 5 The CPL 1) can be set to have a transmittance of light in a wavelength range of greater than or equal to 350 nm and less than 500 nm that is greater than the transmittance of light in a wavelength range of greater than or equal to 500 nm and less than 780 nm, thereby compensating for the light passing through the step area (see Figure 5 Therefore, the color of the light (such as the first light L1, the second light L2 and the third light L3) passing through the step area (see FIG. Figure 5 The phenomenon that light from the step area GA may be yellowish can be reduced, and further, the diffraction of light passing through the step area GA can be reduced, thereby improving the phenomenon that the image of an object placed behind the rear surface of the transparent display device is blurred, thereby improving the visibility of the user.

[0151] Figure 7 is a cross-sectional view of a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 7 Corresponding to Figure 4 In addition, in addition to the position of the first color compensation layer, Figure 7 Example embodiments of Figure 5 The exemplary embodiments of the present invention are the same, so different configurations will be mainly described below.

[0152] like Figure 7 As shown, a transparent display device according to another exemplary embodiment of the present disclosure may include a first substrate 100a, a buffer layer 110, an active layer 120, a gate insulating layer 130, a gate electrode 140, an interlayer insulating layer 150, a source electrode 161, a drain electrode 162, a planarization layer 170, a first electrode 180, a dam 190, a light-emitting layer 200, a second electrode 210, an encapsulation layer 220, a black matrix BM, a first color filter CF1, a second color filter CF2, a first color compensation layer CPL1 and a second substrate 100b.

[0153] According to another exemplary embodiment of the present disclosure, the first color compensation layer CPL1 may be formed in a region overlapping the step area GA. However, unlike Figure 5 An exemplary embodiment, provided in Figure 7 The first color compensation layer CPL1 in the transparent display device is not formed on the same layer as the first color filter CF1 and the second color filter CF2.

[0154] The first color compensation layer CPL1 can be provided to cover the top and side surfaces of the multiple insulating layers formed in the step area GA. Specifically, the first color compensation layer CPL1 can be provided to cover one side surface (e.g., the right side surface) of the buffer layer 110, the gate insulating layer 130, the interlayer insulating layer 150, the planarization layer 170, and the embankment 190. The first color compensation layer CPL1 can also be provided to cover a portion of the top surface of the embankment 190 located at the outermost portion of the second light emitting area EA2. The first color compensation layer CPL1 can be provided to cover the multiple insulating layers in the step area GA, thereby compensating for the color of light (e.g., the first light L1, the second light L2, and the third light L3) passing through the step area GA. Consequently, the yellowish cast of the light passing through the step area GA or the degree of diffraction of the light passing through the step area GA is reduced, thereby minimizing the problem of the rear surface of the transparent display device being visually perceived as blurry, thereby improving the user's visual perception.

[0155] Since the first color compensation layer CPL1 is disposed to cover upper and side surfaces of the plurality of insulating layers formed in the step area GA, the first color compensation layer CPL1 may be disposed lower in the vertical direction Z than the first and second color filters CF1 and CF2.

[0156] Since the first color compensation layer CPL1 is disposed to contact a portion of the upper surface of the first substrate 100a from the upper surface of the outermost bank 190, light flowing into and passing through the stepped area GA may pass through the first color compensation layer CPL1 even if it is refracted.

[0157] According to another exemplary embodiment of the present disclosure, since the first color compensation layer CPL1 is formed on the first substrate 100a, even if a certain degree of error occurs during the bonding process between the first and second substrates 100a and 100b, all light flowing into the lower surface of the first substrate 100a is compensated by the first color compensation layer CPL1. Therefore, the yellowish cast of light passing through the stepped area GA or the degree of diffraction of light passing through the stepped area GA is reduced, thereby minimizing the problem of the rear surface of the transparent display device being visually perceived as blurry, thereby improving the user's visual perception.

[0158] Figure 8 is a plan view of a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 8 yes Figure 3 In addition, in addition to the configuration of the second color compensation layer, Figure 8 Example embodiments of Figure 4 The exemplary embodiments of the present invention are the same, so different configurations will be mainly described below.

[0159] like Figure 8 As shown, a transparent display device according to another exemplary embodiment of the present disclosure may include a transmission area TA and a first light-emitting area EA1, a second light-emitting area EA2, a third light-emitting area EA3 and a fourth light-emitting area EA4 arranged on one side of the transmission area TA (for example, on the left side of the transmission area TA).

[0160] according to Figure 8 Although the exemplary embodiment of Figure 4 In an exemplary embodiment of the black matrix (see Figure 4 A second color compensation layer CPL2 for separating the first to third color filters CF1 to CF3 may be formed around each of the first to fourth light emitting areas EA1 to EA4. The second color compensation layer CPL2 may be formed to overlap at least a portion of the first to fourth light emitting areas EA1 to EA4, but is not limited thereto.

[0161] The second color compensation layer CPL2 may include the same material as the first color compensation layer CPL1. In addition, the second color compensation layer CPL2 may be formed using the same material as the first color filter CF1, but is not limited thereto.

[0162] In addition, if Figure 6 As described in , the second color compensation layer CPL2 may be configured such that the transmittance of light within a wavelength range of 380 nm or more and less than 500 nm is greater than the transmittance of light within a wavelength range of 500 nm or more and less than 780 nm, and the transmittance of light within a wavelength range of 380 nm or more and less than 500 nm is greater than or equal to 20%. However, the present invention is not limited thereto.

[0163] In addition, although not specifically shown in the figure, the second color compensation layer CPL2 may not be provided on one side (for example, on the side between the fourth light-emitting area EA4 and the transmissive area TA) or on the other side (for example, on the upper side of the fourth light-emitting area EA4) of the fourth light-emitting area EA4 displaying the white color W. Since the second color compensation layer CPL2 is not provided between the fourth light-emitting area EA4 and the transmissive area TA or on the upper side of the fourth light-emitting area EA4, an additional margin for preventing light leakage can be ensured.

[0164] Figure 9 is a cross-sectional view of a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 9 Corresponding to Figure 8 In addition, in addition to the configuration of the second color compensation layer, Figure 9 Example embodiments of Figure 5The exemplary embodiments of the present invention are the same, so different configurations will be mainly described below.

[0165] also, Figure 10 is a diagram showing transmittance of each wavelength band at the boundary of any one light emitting area provided in a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 10 It is shown in Figure 9 FIG. 1 is a graph of transmittance of each wavelength band when light passes through the second color compensation layer CPL2 and through the second color filter CF2 of red R in an exemplary embodiment of FIG.

[0166] like Figure 9 As shown, a transparent display device according to another exemplary embodiment of the present disclosure may include a first substrate 100a, a buffer layer 110, an active layer 120, a gate insulating layer 130, a gate electrode 140, an interlayer insulating layer 150, a source electrode 161, a drain electrode 162, a planarization layer 170, a first electrode 180, a bank 190, a light emitting layer 200, a second electrode 210, an encapsulation layer 220, a first color filter CF1, a second color filter, a first color compensation layer CPL1, a second color compensation layer CPL2, and a second substrate 100b. Figure 5 The exemplary embodiments are different. Figure 9 The exemplary embodiment may include a second color compensation layer CPL2 instead of a black matrix (see Figure 5 of BM).

[0167] The second color compensation layer CPL2 may be formed in the same process as the process of forming the first color compensation layer CPL1, or may be formed in the same process as the process of forming the first color filter CF1. According to another configuration of the present disclosure, the first color filter CF1 and the second color filter CF2 may be separated by using the second color compensation layer CPL2 without an additional mask, thereby preventing the first color filter CF1 and the second color filter CF2 from mixing in one process.

[0168] According to another exemplary embodiment of the present disclosure, the second color compensation layer CPL2 may be formed on the encapsulation layer 220 and may be formed below the first color filter CF1, the second color filter CF2, and the first color compensation layer CPL1. Specifically, the second color compensation layer CPL2 may be disposed between the first color filter CF1 and the second color filter CF2, and may be disposed between the second color filter CF2 and the first color compensation layer CPL1.

[0169] The second color compensation layer CPL2 can be set to cover one side (e.g., the right side) and the other side (e.g., the left side) of the first color filter CF1. In addition, the second color compensation layer CPL2 can be set to cover one side (e.g., the right side) and the other side (e.g., the left side) of the second color filter CF2. According to another exemplary embodiment of the present disclosure, the second color compensation layer CPL2 is set to overlap with a portion of the second color filter CF2 that transmits red R, so that even if light emitted from the first light emitting area EA1 passes through the first color filter CF1 and advances to the second color filter CF2, color mixing can be prevented. Conversely, even if light emitted from the second light emitting area EA2 passes through the second color filter CF2 and advances to the first color filter CF1, color mixing can be prevented.

[0170] like Figure 10 As shown, in the area where the second color compensation layer CPL2 and the second color filter CF2 overlap, it can be seen that the transmittance of light within the wavelength range greater than or equal to 380 nm and less than 780 nm is less than or equal to 5%. Therefore, according to an exemplary embodiment of the present disclosure, by separating the first color filter CF1 and the second color filter CF2 into the second color compensation layer CPL2, it is possible to prevent light emitted from the second light emitting area EA2 and passing through the second color filter CF2 from being mixed by the adjacent first color filter CF1. In addition, according to an exemplary embodiment of the present disclosure, by separating the first color filter CF1 and the second color filter CF2 into the second color compensation layer CPL2, it is possible to prevent light emitted from the first light emitting area EA1 and passing through the second color filter CF1 from being mixed by the adjacent second color filter CF2.

[0171] Figure 11 is a cross-sectional view of a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 11 Corresponding to Figure 8 The cross section III-III' is shown in FIG. 3 and relates to the third light emitting area EA3, the fourth light emitting area EA4 and the transmission area TA. In addition, in addition to the third light emitting area EA3 and the fourth light emitting area EA4, Figure 11 Example embodiments of Figure 9 The exemplary embodiments of the present invention are the same, so different configurations will be mainly described below.

[0172] Figure 12 is a diagram showing transmittance of each wavelength band at the boundary of any one light emitting area provided in a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 12 It is shown in Figure 11 FIG. 5 is a graph of transmittance of each wavelength band when light passes through the second color compensation layer CPL2 and through the third color filter CF3 of green G in an exemplary embodiment of FIG.

[0173] like Figure 11 As shown, a transparent display device according to another exemplary embodiment of the present disclosure may include a first substrate 100a, a buffer layer 110, an active layer 120, a gate insulating layer 130, a gate electrode 140, an interlayer insulating layer 150, a source electrode 161, a drain electrode 162, a planarization layer 170, a first electrode 180, a dam 190, a light emitting layer 200, a second electrode 210, an encapsulation layer 220, a third color filter CF3, a first color compensation layer CPL1, a second color compensation layer CPL2 and a second substrate 100b.

[0174] According to another exemplary embodiment of the present disclosure, a third color filter CF3 may be formed on the encapsulation layer 220 in the third light emitting area EA3. Specifically, the third color filter CF3 may correspond to the third light emitting area EA3.

[0175] On the other hand, a separate color filter may not be formed in the fourth light emitting area EA4. Therefore, light emitted from the fourth light emitting area EA4 may be emitted through the encapsulation layer 220 and the second substrate 100b to display white W.

[0176] The second color compensation layer CPL2 may be formed on the encapsulation layer 220 and may be formed below the third color filter CF3. Specifically, the second color compensation layer CPL2 may be arranged to cover one side (e.g., the right side) and the other side (e.g., the left side) of the third color filter CF3. According to another exemplary embodiment of the present disclosure, since the second color compensation layer CPL2 is arranged to overlap with a portion of the third color filter CF3 that transmits green G, light emitted from the third light emitting area EA3 does not pass through the third color filter CF3, thereby preventing color mixing from occurring in the fourth light emitting area EA4.

[0177] According to another exemplary embodiment of the present disclosure, the second color compensation layer CPL2 disposed on one side (e.g., the right side) of the third color filter CF3 may be disposed to cover a portion of the upper surface and the side surface of the third color filter CF3. In this case, the length of the side of the third color filter CF3 covered by the second color compensation layer CPL2 may be defined as a first length d1.

[0178] The first length d1 may be formed to have a length that does not cause color mixing in the fourth light emitting area EA4 even if light emitted from the third light emitting area EA3 is refracted when passing through the second electrode 210 or the encapsulation layer 220. In this case, the first length d1 varies according to the technical level in the art, and although the third color filter CF3 has been described herein, the present disclosure is not limited thereto, and Figure 9 The first color filter shown in the exemplary embodiment (see Figure 9 CF1) and the second color filter (see Figure 9CF2) can be applied in the same way.

[0179] In addition, it can be seen that in the area where the second color compensation layer CPL2 and the third color filter CF3 overlap, the light transmittance within the wavelength range of greater than or equal to 380 nm and less than 780 nm is less than or equal to 15%. Figure 12 Therefore, according to an exemplary embodiment of the present disclosure, by separating the third color filter CF3 into the second color compensation layer CPL2, light emitted from the third light emitting area EA3 and passing through the third color filter CF3 can be prevented from being mixed with light displayed by the adjacent fourth light emitting area EA4.

[0180] Figure 13 is a plan view of a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 13 yes Figure 3 In addition, in addition to the configuration of the gate line, the connection electrode, the contact portion and each light emitting region, Figure 13 Example embodiments of Figure 4 The exemplary embodiments of the present invention are the same, so different configurations will be mainly described below.

[0181] like Figure 13 As shown, the transparent display device according to an exemplary embodiment of the present disclosure may include a transmission area TA and a first light-emitting area EA1, a second light-emitting area EA2, a third light-emitting area EA3 and a fourth light-emitting area EA4 arranged on one side (e.g., the left side) of the transmission area TA.

[0182] A first gate line GL1 for supplying a gate signal to each of the third and fourth light-emitting regions EA3 and EA4 may be formed on the third and fourth light-emitting regions EA3 and EA4, and a second gate line GL2 for supplying a gate signal to the first and second light-emitting regions EA1 and EA2 may be formed below the first and second light-emitting regions EA1 and EA2.

[0183] According to another exemplary embodiment of the present disclosure, the first and second gate lines GL1 and GL2 may be disposed to overlap the black matrix BM and the first color compensation layer CPL1 .

[0184] Since the first color compensation layer CPL1 overlaps the first gate line GL1 and the second gate line GL2, even from the transparent display panel (see FIG. Figure 2 The light transmitted from the rear surface of the first gate line GL1 or the second gate line GL2 is refracted or diffracted by the step formed in the first gate line GL1 or the second gate line GL2, which can also minimize or eliminate the transparent display panel (see Figure 2 A phenomenon in which the image of an object placed behind the rear surface of 100) appears blurred.

[0185] The contact portion CNT may be formed in the central portion of the transmission area TA. The contact portion CNT may extend from an adjacent light emitting area, such as the second light emitting area EA2, and may be located in the transmission area TA. In addition, the present disclosure is not limited thereto, and may extend from any one of the other light emitting areas EA1, EA3, and EA4 and may be located in the transmission area TA. The contact portion CNT may supply a signal of a common power line and may be electrically connected to the second electrode in the transmission area TA (see FIG. 1 ). Figure 5 210 in FIG). By forming in this way, it is possible to prevent the transparent display panel 100 (see FIG. Figure 2 ) of the common electrode 210 (see Figure 5 ) is reduced. Therefore, uneven light emission in each light emitting area can be prevented.

[0186] According to another exemplary embodiment of the present disclosure, a first color compensation layer pattern CPLa may be additionally formed to overlap the contact portion CNT. The first color compensation layer pattern CPLa may include the same material as the first color compensation layer CPL1. By forming the first color compensation layer pattern CPLa in the region overlapping the contact portion CNT, even if light passing through the contact portion CNT is diffracted, the transparent display panel (see FIG. 1 ) may be minimized or removed. Figure 2 A phenomenon in which the image of an object placed behind the rear surface of 100) appears blurred.

[0187] Color filters CF1, CF2, and CF3 may be formed to correspond to the first, second, and third emission areas EA1, EA2, and EA3, respectively. For example, a first color filter CF1 for transmitting blue B light may be formed in the first emission area EA1, a second color filter CF2 for transmitting red R light may be formed in the second emission area EA2, and a third color filter CF3 for transmitting green G light may be formed in the third emission area EA3. Furthermore, a color filter may not be formed in the fourth emission area EA4.

[0188] Therefore, light emitted from the first light emitting area EA1 can pass through the first color filter CF1 to display blue B, light emitted from the second light emitting area EA2 can pass through the second color filter CF2 to display red R, and light emitted from the third light emitting area EA3 can pass through the third color filter CF3 to display green G.

[0189] In addition, a separate color filter may not be provided in the fourth light emitting area EA4. Therefore, light emitted from the fourth light emitting area EA4 may display white W.

[0190] A black matrix BM for separating the first to third color filters CF1 to CF3 may be formed around each of the first to fourth emission areas EA1 to EA4. The black matrix BM may be formed to overlap at least a portion of the first to fourth emission areas EA1 to EA4, but is not limited thereto. In addition, Figure 13 Only the state in which the black matrix BM is formed around the first to fourth light emitting areas EA1 to EA4 is shown, but the present disclosure is not limited thereto. Figure 8 The second color compensation layer is formed as in the exemplary embodiment of Figure 8 CPL2).

[0191] According to another exemplary embodiment of the present disclosure, the first to fourth light-emitting areas EA1 to EA4 may include two light-emitting areas, each connected by a connecting electrode BE. For example, the first light-emitting area EA1 may include a 1-1 light-emitting area EA1a and a 1-2 light-emitting area EA1b connected by a connecting electrode BE, and the second light-emitting area EA2 may include a 2-1 light-emitting area EA2a and a 2-2 light-emitting area EA2b connected by a connecting electrode BE. The third light-emitting area EA3 may include a 3-1 light-emitting area EA3a and a 3-2 light-emitting area EA3b connected by a connecting electrode BE, and the fourth light-emitting area EA4 may include a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b connected by a connecting electrode BE. However, the present disclosure is not limited thereto.

[0192] The connecting electrode BE can connect two light-emitting areas to one drive transistor through a contact hole. Thus, the connecting electrode BE connecting the 1-1 light-emitting area EA1a and the 1-2 light-emitting area EA1b is connected to one drive transistor through a contact hole, the connecting electrode BE connecting the 2-1 light-emitting area EA2a and the 2-2 light-emitting area EA2b is connected to another drive transistor through a contact hole, the connecting electrode BE connecting the 3-1 light-emitting area EA3a and the 3-2 light-emitting area EA3b is connected to another drive transistor through a contact hole, and the connecting electrode BE connecting the 4-1 light-emitting area EA4a and the 4-2 light-emitting area EA4b is connected to another drive transistor through a contact hole.

[0193] By forming the circuit in this manner, if a problem occurs in either of the two light-emitting areas, for example, when a dark spot forms, one of the two light-emitting areas can be disconnected, and only the other light-emitting area can be used. For example, in the case of the first light-emitting area EA1, a dark spot may appear when either the 1-1 light-emitting area EA1a or the 1-2 light-emitting area EA1b is not operating properly. In this case, by blocking the connection electrode BE connected to either the 1-1 light-emitting area EA1a or the 1-2 light-emitting area EA1b, the formation of a dark spot can be prevented by using only the other light-emitting area, the 1-1 light-emitting area EA1a or the 1-2 light-emitting area EA1b. For example, in the case of the second light-emitting area EA2, a dark spot may appear when either the 2-1 light-emitting area EA2a or the 2-2 light-emitting area EA2b is not operating properly. In this case, by blocking the connection electrode BE connected to either the 2-1st light-emitting area EA2a or the 2-2nd light-emitting area EA2b, it is possible to prevent the formation of dark spots by utilizing only the other of the 2-1st light-emitting area EA2a and the 2-2nd light-emitting area EA2b. For example, in the case of the third light-emitting area EA3, dark spots may occur when either the 3-1st light-emitting area EA3a or the 3-2nd light-emitting area EA3b operates abnormally. In this case, by blocking the connection electrode BE connected to either the 3-1st light-emitting area EA3a or the 3-2nd light-emitting area EA3b, it is possible to prevent the formation of dark spots by utilizing only the other of the 3-1st light-emitting area EA3a and the 3-2nd light-emitting area EA3b. For example, in the case of the fourth light-emitting area EA4, dark spots may occur when either the 4-1st light-emitting area EA4a or the 4-2nd light-emitting area EA4b operates abnormally. In this case, by blocking the connection electrode BE connected to either the 4-1st light emitting area EA4a or the 4-2nd light emitting area EA4b, it is possible to prevent the formation of dark spots by using only the other of the 4-1st light emitting area EA4a and the 4-2nd light emitting area EA4b. However, the present disclosure is not limited thereto.

[0194] In addition, although the connection electrode BE is formed in any one of the light emitting areas EA1 to EA4, the step area (see FIG. Figure 15 A portion of GA) in the image may protrude in the horizontal direction (X).

[0195] For example, referring to the third light emitting region EA3, the step region (see FIG. Figure 14 GA) compared to the step region in the region where the connection electrode BE is formed (see Figure 15The step region (see FIG. 1 ) may be formed to protrude in the direction of the transmission region TA. For example, in a region where the connection electrode BE is not formed, the step region (see FIG. Figure 14 The step region (see FIG. 1 ) is spaced apart from one end of the black matrix BM by a second distance d2, and in the region where the connection electrode BE is formed, the step region (see FIG. Figure 15 The second distance d2 and the third distance d3 may be defined as the distance from one end of the black matrix BM to the step region (see FIG. Figure 14 and Figure 15 The shortest distance to one end of GA).

[0196] According to another exemplary embodiment of the present disclosure, a second color compensation layer pattern CPLb may be additionally formed in a partial region of the first color compensation layer CPL1 to cover a step region protruding a third distance d3 from a region where the connection electrode BE is formed (see FIG. Figure 15 By forming in this manner, the light incident from the rear surface of the transparent display device is reduced in the step region protruding from the region where the connection electrode BE is formed (see FIG. Figure 15 The degree of refraction or diffraction in the GA) can be improved, thereby improving the phenomenon of image blurring of an object placed behind the rear surface of the transparent display device and improving the visibility of the user.

[0197] The second color compensation layer pattern CPLb may include the same material as the first color compensation layer CPL1. Figure 14 The second color compensation layer pattern CPLb is described in more detail.

[0198] Figure 14 is a cross-sectional view of a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 14 Corresponding to Figure 13 The cross section IV-IV' of FIG. 1 is a cross section IV-IV' and relates to the 1-2 emitting area EA1b, the 2-2 emitting area EA2b and the transmission area TA. In addition, in addition to the configuration of the contact portion, the third signal line and the first color compensation layer pattern, Figure 14 Example embodiments of Figure 5 The exemplary embodiments of the present invention are the same, so different configurations will be mainly described below.

[0199] like Figure 14As shown, a transparent display device according to another exemplary embodiment of the present disclosure may include a first substrate 100a, a buffer layer 110, an active layer 120, a gate insulating layer 130, a gate electrode 140, an interlayer insulating layer 150, a source electrode 161, a drain electrode 162, a third signal line SL3, a planarization layer 170, a voltage compensation pattern CP, a first electrode 180, a dam 190, a light-emitting layer 200, a second electrode 210, an encapsulation layer 220, a black matrix BM, a first color filter CF1, a second color filter CF2, a first color compensation layer pattern CPLa and a second substrate 100b.

[0200] According to another exemplary embodiment of the present disclosure, a third signal line SL3 extending from one side of the non-transmission area NTA (e.g., the right side of the non-transmission area NTA) to the transmission area TA may be formed on the upper surface of the interlayer insulating layer 150 and the upper surface of the first substrate 100a. The third signal line SL3 may receive power applied from a common power line. In this exemplary embodiment, only the third signal line SL3 is shown as being formed on the upper surface of the interlayer insulating layer 150. However, the present disclosure is not limited thereto and the third signal line SL3 may be formed on any of the insulating layers forming the stepped area GA.

[0201] In the transmission area TA, the third signal line SL3 is formed on the first substrate 100a. A voltage compensation pattern CP may be formed on the third signal line SL3. Since the voltage compensation pattern CP is formed on the third signal line SL3 in the transmission area TA, power applied from the common power line applied to the third signal line SL3 may be supplied to the second electrode 210.

[0202] The voltage compensation pattern CP includes a first pattern CP1 , a second pattern CP2 , and a third pattern CP3 .

[0203] The first pattern CP1 is formed on the third signal line SL3. The first pattern CP1 may include an insulating material.

[0204] The second pattern CP2 is formed on the first pattern CP1. In this case, the area of ​​the lower surface of the second pattern CP2 may be formed to be larger than the area of ​​the upper surface of the first pattern CP1. The second pattern CP2 may be formed in the same process as the process of forming the planarization layer 170, but the present disclosure is not limited thereto.

[0205] By forming in this manner, the contact portion CNT can be formed by preventing the light emitting layer 200 from being formed in the region where the voltage compensation pattern CP is formed, and the second electrode 210 can be electrically connected to the third signal line SL3 exposed from the contact portion CNT. In this case, power applied from the common power line through the third signal line SL3 can be supplied to the second electrode 210. Therefore, the display panel used as a transparent display panel (see FIG. 2 ) can be prevented from being used as a transparent display panel. Figure 2 100) of the common electrode of the second electrode (see Figure 5 210) drops in voltage and prevents uneven light emission from occurring in each light emitting area.

[0206] The third pattern CP3 may be formed on the second pattern CP2. The third pattern CP3 may be formed in the same process as the process of forming the light emitting layer 200, but the present disclosure is not limited thereto.

[0207] According to another exemplary embodiment of the present disclosure, the first color compensation layer CPL1 may extend in the horizontal direction (X direction). Therefore, the first color compensation layer pattern CPLa of the first color compensation layer CPL1 may overlap the third signal line SL3 formed on the first substrate 100a and the voltage compensation pattern CP formed on the third signal line SL3.

[0208] Since the first color compensation layer pattern CPLa overlaps both the third signal line SL3 and the voltage compensation pattern CP, even if the first color compensation layer pattern CPLa is overlapped with the third signal line SL3 and the voltage compensation pattern CP, Figure 2 The light transmitted from the rear surface of the display panel (see FIG100) is refracted or diffracted by the step formed by the third signal line SL3 or the voltage compensation pattern CP, which can also minimize or eliminate the transparent display panel (see FIG100). Figure 2 A phenomenon in which the image of an object placed behind the rear surface of 100) appears blurred.

[0209] Figure 15 is a cross-sectional view of a transparent display device according to another exemplary embodiment of the present disclosure. In this case, Figure 15 Corresponding to Figure 13 The cross section V-V' of FIG. 1 is a cross section V-V' of FIG. 1 and relates to the 1-1st light emitting area EA1a, the 2-1st light emitting area EA2a and the transmission area TA. In this case, in addition to the first electrode, the connection electrode and the second color compensation layer pattern, Figure 15 Example embodiments of Figure 5 The exemplary embodiments of the present invention are the same, so different configurations will be mainly described below.

[0210] like Figure 15 As shown, a transparent display device according to another exemplary embodiment of the present disclosure may include a first substrate 100a, a buffer layer 110, a gate insulating layer 130, an interlayer insulating layer 150, a source electrode SE 161, a planarization layer 170, a first electrode 180, a connecting electrode BE, a dam 190, a light emitting layer 200, a second electrode 210, an encapsulation layer 220, a black matrix BM, a first color filter CF1, a second color filter CF2, a first color compensation layer CPL1, a second color compensation layer pattern CPLb and a second substrate 100b.

[0211] According to another exemplary embodiment of the present disclosure, the first electrode 180 disposed in each of the 1-1 emission area EA1a and the 2-1 emission area EA2a may further include a connecting electrode BE disposed on one side thereof. For example, the first electrode 180 disposed in the 1-1 emission area EA1a may have the connecting electrode BE formed on one side (e.g., the left side), and the first electrode 180 disposed in the 2-1 emission area EA2a may have the connecting electrode BE formed on one side (e.g., the right side). Hereinafter, for ease of description, the first electrode 180 and the connecting electrode BE disposed in the 2-1 emission area EA2a will be primarily described.

[0212] The connection electrode BE may be electrically connected to the source electrode SE 161 of the thin film transistor through the contact hole CH. In addition, in some cases, the connection electrode BE may be connected to the thin film transistor through the contact hole CH (see FIG. Figure 5 162) drain electrode.

[0213] According to another exemplary embodiment of the present disclosure, by forming the connecting electrode BE in the first to fourth light-emitting areas EA1 to EA4, the step area GA in the area where the connecting electrode BE is formed may partially protrude in the direction of the transmission area TA compared to the step area GA in the area where the connecting electrode BE is not formed. For example, the distance from one end of the black matrix BM disposed at the outermost side of the non-transmission area NTA to one end (e.g., the right end) of the step area GA may be defined as a third distance d3. In this case, for example, the third distance d3 may be greater than the second distance (see FIG. 2 ) from one end (e.g., the right end) of the black matrix BM disposed at the outermost side of the non-transmission area NTA to one end of the step area GA in the area where the connecting electrode BE is not formed. Figure 14 d2 in the example).

[0214] According to another exemplary embodiment of the present disclosure, a second color compensation layer pattern CPLb may be further formed so as to partially protrude to one side (e.g., the right side) of the first color compensation layer CPL1, so that the connecting electrode BE is formed to correspond to the step area GA protruding in the direction of the transmission area TA.

[0215] The second color compensation layer pattern CPLb protruding from one side of the first color compensation layer CPL1 causes a stepped area GA, which is provided in the area where the connection electrode BE is formed, to overlap with one of the first color compensation layer CPL1 and the second color compensation layer pattern CPLb. This arrangement allows the stepped area GA, which protrudes to form the connection electrode BE, and the first color compensation layer CPL1 and the second color compensation layer pattern CPLb to overlap, thereby minimizing or reducing the yellowish tint of light passing through the stepped area GA. Furthermore, by reducing diffraction of light passing through the stepped area GA, the phenomenon in which an image of an object placed behind the rear surface of the transparent display device appears blurred can be improved.

[0216] Figure 16 FIG2 is a diagram showing a transparent display device according to another embodiment of the present disclosure, an enlarged Figure 3 In addition, in addition to the configuration of the gate line, the connection electrode, the contact portion and each light emitting region, Figure 16 The implementation method and Figure 4 The implementation methods are the same, so the following will mainly describe different configurations.

[0217] Reference Figure 16 According to an embodiment of the present disclosure, the transparent display device may include a transmission area TA and a first light-emitting area EA1, a second light-emitting area EA2, a third light-emitting area EA3 and a fourth light-emitting area EA4 arranged on one side of the transmission area TA (for example, on the left side).

[0218] A first gate line GL1 for supplying a gate signal to each of the third light-emitting area EA3 and the fourth light-emitting area EA4 may be formed on the third light-emitting area EA3 and the fourth light-emitting area EA4, and a second gate line GL2 for supplying a gate signal to the first light-emitting area EA1 and the second light-emitting area EA2 may be formed below the first light-emitting area EA1 and the second light-emitting area EA2.

[0219] According to another embodiment of the present disclosure, the first and second gate lines GL1 and GL2 may be disposed to overlap the black matrix BM and the first color compensation layer CPL1 .

[0220] Since the first color compensation layer CPL1 overlaps the first gate line GL1 and the second gate line GL2, even from the transparent display panel (see Figure 2 The light transmitted from the rear surface of the transparent display panel (see FIG100) is refracted or diffracted by the step formed in the first gate line GL1 or the second gate line GL2, which can also minimize or eliminate the back surface of the transparent display panel (see FIG100). Figure 2 The image of the object behind 100) appears blurred.

[0221] Color filters CF1, CF2, and CF3 may be formed to correspond to the first, second, and third emission areas EA1, EA2, and EA3, respectively. For example, a first color filter CF1 for transmitting blue B light may be formed in the first emission area EA1, a second color filter CF2 for transmitting red R light may be formed in the second emission area EA2, and a third color filter CF3 for transmitting green G light may be formed in the third emission area EA3.

[0222] Therefore, light emitted from the first light emitting area EA1 can pass through the first color filter CF1 to display blue B, light emitted from the second light emitting area EA2 can pass through the second color filter CF2 to display red R, and light emitted from the third light emitting area EA3 can pass through the third color filter CF3 to display green G.

[0223] In addition, a separate color filter may not be provided in the fourth light emitting area EA4. Therefore, light emitted from the fourth light emitting area EA4 may display white W. The fourth light emitting area EA4 may correspond to a pixel providing white light.

[0224] A black matrix BM for separating the first to third color filters CF1 to CF3 may be formed around each of the first to fourth emission areas EA1 to EA4. The black matrix BM may be formed to overlap at least a portion of the first to fourth emission areas EA1 to EA4, but is not limited thereto.

[0225] According to another embodiment of the present invention, the first to fourth light-emitting areas EA1 to EA4 may include two light-emitting areas, each connected by a connecting electrode BE. For example, the first light-emitting area EA1 may include a 1-1 light-emitting area EA1a and a 1-2 light-emitting area EA1b connected by a connecting electrode BE. The second light-emitting area EA2 may include a 2-1 light-emitting area EA2a and a 2-2 light-emitting area EA2b connected by a connecting electrode BE. The third light-emitting area EA3 may include a 3-1 light-emitting area EA3a and a 3-2 light-emitting area EA3b connected by a connecting electrode BE. The fourth light-emitting area EA4 may include a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b connected by a connecting electrode BE.

[0226] The detailed structure of the connecting electrode BE is Figure 13 The connection electrode BE is the same as described in [1], and a detailed description will not be repeated here. The connection electrode BE is used to restore defects that occur in one of the two light-emitting areas that make up the first light-emitting area EA1. For example, the connection between the defective light-emitting area and the connection electrode BE can be disconnected, leaving only the normal light-emitting area in contact with the connection electrode BE. As a result, the entire light-emitting area will not dim, and only half of the light-emitting area will dim.

[0227] Since the connection electrode BE is provided in each of the light emitting areas EA1 to EA4, the step area ( Figure 5 A portion of the black matrix BM in the fourth emission area EA4 may further protrude into the transmission area TA. For example, referring to the fourth emission area EA4, the step region in the area where the connection electrode BE is formed may be formed to protrude further toward the transmission area TA than the step region in the area where the connection electrode BE is not formed. For example, in the area where the connection electrode BE is not formed, the step region is spaced a second distance d2 from one end of the black matrix BM, while in the area where the connection electrode BE is formed, the step region is spaced a third distance d3 from one end of the black matrix BM. In this case, the second distance d2 may be smaller than the third distance d3.

[0228] According to another embodiment of the present disclosure, a second color compensation layer pattern CPLb may be additionally formed in a portion of the first color compensation layer CPL1 to cover a stepped region protruding a third distance d3 from the region where the connection electrode BE is formed. The second color compensation layer pattern CPLb may have a shape that protrudes and extends from the first color compensation layer CPLD in the direction of the transmission area TA to completely cover the connection electrode BE. This formation reduces the degree of refraction or diffraction of light incident from the rear surface of the transparent display device in the stepped region protruding from the region where the connection electrode BE is formed. This can alleviate the phenomenon in which images of objects placed behind the rear surface of the transparent display device appear blurred, and improve user visibility.

[0229] Each of the first, second, and third light-emitting areas EA1, EA2, and EA3 includes two light-emitting areas connected by a connecting electrode BE. In each of the light-emitting areas EA1, EA2, and EA3, the first electrode 180 is divided into two parts. Light passing through the separated portion of the first electrode 180 may be diffracted, so the image after passing through the separated portion of the first electrode 80 may be blurred. However, each of the first, second, and third light-emitting areas EA1, EA2, and EA3 is covered by any one of the color filters. In other words, the separated portion of the first electrode 180 is covered by the color filter. As a result, even if diffraction occurs in the separated portion of the first electrode 180, the phenomenon of blurred images can be reduced by the color filter.

[0230] However, in the fourth light-emitting area EA4 without a color filter, diffraction may cause a problem of image blurring. For example, the fourth light-emitting area EA4 has a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b. Each of the 4-1 light-emitting area EA4a and the 4-2 light-emitting area EA4b has a separated first electrode 180. In addition, there is no color filter, so the light passing through the separated portion of the first electrode 180 will produce a blurred image due to the diffraction effect. In order to solve this problem, in accordance with Figure 16 In the embodiment of the present invention, the second color compensation layer pattern CPLb is disposed between the 4-1 emission area EA4a and the 4-2 emission area EA4b within the fourth emission area EA4. Preferably, the second color compensation layer pattern CPLb has a width sufficient to cover all areas, including the separation portion between the 4-1 emission area EA4a and the 4-2 emission area EA4b, the connection electrode BE, the source electrode SE, and the contact hole connecting the source electrode SE to the connection electrode BE.

[0231] Preferably, after the first and second substrates 100a and 100b are bonded, the second color compensation layer pattern CPLb has a width sufficient to cover the area between the 4-1 emission area EA4a and the 4-2 emission area EA4b. If an alignment error occurs when attaching the second substrate 100b having the color filter and the first substrate 100a having the light-emitting element, the second color compensation layer pattern CPLb may not cover the separation between the 4-1 emission area EA4a and the 4-2 emission area EA4b. As a result, light passing through the separation of the first electrode 180 may be diffracted.

[0232] The second color compensation layer pattern CPLb may include the same material as the first color compensation layer CPL1. In addition, the second color compensation layer pattern CPLb and the first color compensation layer CPL1 may have the same material as the first color filter CF1 representing blue. In addition, reference will be made to Figure 17 The second color compensation layer pattern CPLb is described in more detail.

[0233] Figure 17 is a cross-sectional view of a transparent display device according to another embodiment of the present disclosure. In this case, Figure 17 Corresponding to the Figure 16 Cross-sectional view along line VI-VI'. Figure 17 The fourth light emitting area EA4 and the transmission area TA are involved. Figure 17 In the following description of the embodiment shown, the Figure 5 The embodiments of the present invention are the same as those of the present invention, and the description will focus on different configurations.

[0234] Reference Figure 17A transparent display device according to another embodiment of the present disclosure may include a first substrate 100a and a second substrate 100b bonded together. The first substrate 100a may include a buffer layer 110, a gate insulating layer 130, an interlayer insulating layer 150, a source electrode SE 161, a planarization layer 170, a first electrode 180, a connection electrode BE, a bank 190, a light-emitting layer 200, and a second electrode 210. The second substrate 100b may include a black matrix BM, a third color filter CF3, a first color compensation layer CPL1, a second color compensation layer pattern CPLb, and an encapsulation layer 220. The transparent display device is formed by bonding the first and second substrates 100a and 100b together, while attaching the second electrode 210 to the encapsulation layer 220.

[0235] According to another embodiment of the present disclosure, the first electrode 180 provided in each of the 4-1 emission area EA4a and the 4-2 emission area EA4b may further include a connecting electrode BE provided on one side thereof. For example, the first electrode 180 provided in the 4-1 emission area EA4a may have the connecting electrode BE formed on one side (e.g., on the right side). Hereinafter, for ease of description, the first electrode 180 provided in the 4-1 emission area EA4a and the connecting electrode BE will be primarily described.

[0236] The connection electrode BE may be electrically connected to the source electrode SE 161 of the thin film transistor through the contact hole CH. In addition, in some cases, the connection electrode BE may also be connected to the drain electrode of the thin film transistor through the contact hole CH.

[0237] According to another embodiment of the present disclosure, by forming the connection electrode BE in the first to fourth light-emitting areas EA1 to EA4, the step area GA in the area where the connection electrode BE is formed can partially protrude toward the transmission area TA compared to the step area GA in the area where the connection electrode BE is not formed. For example, the distance from the right end of the black matrix BM disposed at the outermost side of the non-transmission area NTA to the right end of the step area GA can be defined as a third distance d3. In this case, for example, the third distance d3 can be greater than the second distance from one end (e.g., one end) of the black matrix BM disposed at the outermost side of the non-transmission area NTA in the area where the connection electrode BE is not formed to one end of the step area GA.

[0238] According to another embodiment of the present disclosure, a second color compensation layer pattern CPLb may be additionally formed and is disposed to partially protrude to one side of the first color compensation layer CPL1, for example, to the right, so that the connection electrode BE is formed to correspond to the step area GA protruding in the direction of the transmission area TA.

[0239] The second color compensation layer pattern CPLb protruding from one side of the first color compensation layer CPL1 causes the step area GA provided in the area where the connection electrode BE is formed to overlap with one of the first color compensation layer CPL1 and the second color compensation layer pattern CPLa. By forming the step area GA protruding to form the connection electrode BE, the first color compensation layer CPL1, and the second color compensation layer pattern CPLb overlap in this manner, thereby minimizing the yellowing of light passing through the step area GA. Furthermore, by reducing the diffraction of light passing through the step area GA, it is possible to overcome the phenomenon in which the image of an object placed behind the rear surface of the transparent display device appears blurred.

[0240] In addition, at the fourth emission area EA4, the white pixel may include a second color compensation layer pattern CPLb. For example, the second color compensation layer pattern CPLb is disposed between the 4-1 emission area EA4a and the 4-2 emission area EA4b in the fourth emission area EA4. Figure 17 yes Figure 16 FIG4 - 1 is a cross-sectional view of a portion of the emission area EA4 a covered by the second color compensation layer pattern CPLb.

[0241] The second color compensation layer pattern CPLb can be formed to cover the entire width of the fourth light-emitting area EA4. For example, the second color compensation layer pattern CPLb can be arranged in the same manner as the third color filter CF3 in the third light-emitting area EA3. The difference is that the third color filter CF3 covers the entire third light-emitting area EA3, but the second color filter layer pattern CPLb is only placed between the 4-1 light-emitting area EA4a and the 4-2 light-emitting area EA4b.

[0242] The second color compensation layer pattern CPLb may be made of the same material as the first color compensation layer CPL1. Furthermore, the first color compensation layer CPL1 may be made of the same material as the blue color filter. Therefore, the second color compensation layer pattern CPLb and the first color compensation layer CPL1 may be formed of a blue color filter disposed at the first emission area EA1.

[0243] As a result, between the 4-1 emission area EA4a and the 4-2 emission area EA4b, the second color compensation layer pattern CPLb covers the separated portion of the first electrode 180. Therefore, even when diffraction occurs in light at the separated portion of the first electrode 180, the blurred image problem can be reduced or eliminated by the second color compensation layer pattern CPLb.

[0244] In accordance with Figure 16 In the embodiment of the present invention, the black matrix BM is disposed around the transmission area TA. However, it is not limited thereto, and the structure of the black matrix BM may be selectively removed between the fourth emission area EA4 having the white pixel and the transmission area TA.

[0245] Figure 18 It is magnified Figure 3 A plan view of region B of FIG. 1 shows a transparent display device according to another embodiment of the present disclosure. In addition, in addition to the configuration of the gate line, the connection electrode, the contact portion and each light emitting region, Figure 18 The implementation method and Figure 4 The implementation methods are the same, so the following will mainly describe different configurations.

[0246] Reference Figure 18 The transparent display device according to an embodiment of the present disclosure may include a transmission area TA and a first light emitting area EA1, a second light emitting area EA2, a third light emitting area EA3, and a fourth light emitting area EA4 provided on one side (e.g., on the left side) of the transmission area TA. Figure 16 The structure is the same as that described in , so the detailed description will not be repeated.

[0247] and Figure 16 Different, according to Figure 18 The embodiment of the present disclosure does not have a black matrix. Therefore, the first gate line GL1 and the second gate line GL2 may overlap with the first color compensation layer CPL1. Since the first color compensation layer CPL1 overlaps with the first gate line GL1 and the second gate line GL2, even from the transparent display panel (see Figure 2 The light transmitted from the rear surface of the display panel 100 is refracted or diffracted by the step formed in the first gate line DL1 or the second gate line GL2, which can also minimize or eliminate the transparent display panel (see Figure 2 The image of the object behind the rear surface of 100) appears blurred.

[0248] Color filters CF1, CF2, and CF3 can be formed to correspond to the first light-emitting area EA1, the second light-emitting area EA2, and the third light-emitting area EA3, respectively. For example, a first color filter CF1 for transmitting blue B light can be formed in the first light-emitting area EA1. A second color filter CF2 for transmitting red R light can be formed in the second light-emitting area EA2. A third color filter CF3 for transmitting green G light can be formed in the third light-emitting area EA3. Therefore, light emitted from the first light-emitting area EA1 can pass through the first color filter CF1 to display blue B, light emitted from the second light-emitting area EA2 can pass through the second color filter CF2 to display red R, and light emitted from the third light-emitting area EA3 can pass through the third color filter CF3 to display green G.

[0249] In addition, a separate color filter may not be provided in the fourth light emitting area EA4. Therefore, light emitted from the fourth light emitting area EA4 may display white W.

[0250] A first color compensation layer CPL1 for separating the first to third color filters CF1 to CF3 may be formed around each of the first to fourth emission areas EA1 to EA4.

[0251] According to another embodiment of the present disclosure, the first to fourth light-emitting areas EA1 to EA4 may include two light-emitting areas, each connected by a connecting electrode BE. For example, the first light-emitting area EA1 may include a 1-1 light-emitting area EA1a and a 1-2 light-emitting area EA1b connected by a connecting electrode BE. The second light-emitting area EA2 may include a 2-1 light-emitting area EA2a and a 2-2 light-emitting area EA2b connected by a connecting electrode BE. The third light-emitting area EA3 may include a 3-1 light-emitting area EA3a and a 3-2 light-emitting area EA3b connected by a connecting electrode BE. The fourth light-emitting area EA4 may include a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b connected by a connecting electrode BE.

[0252] The detailed structure of the connecting electrode BE is Figure 16 Since the connection electrode BE is provided in each of the light emitting regions EA1 to EA4, the step region ( Figure 5 A portion of the optical fiber GA) may further protrude into the transmission area TA.

[0253] According to another embodiment of the present disclosure, a second color compensation layer pattern CPLb may be additionally formed in a portion of the first color compensation layer CPL1 to cover a stepped region protruding a third distance d3 from the region where the connection electrode BE is formed. The second color compensation layer pattern CPLb may have a shape that protrudes and extends from the first color compensation layer CPL1 in the direction of the transmission area TA to completely cover the connection electrode BE. This formation reduces the degree of refraction or diffraction of light incident from the rear surface of the transparent display device in the stepped region protruding from the region where the connection electrode BE is formed. This can alleviate the phenomenon in which images of objects placed behind the rear surface of the transparent display device appear blurred, and improve user visibility.

[0254] Each of the first, second, and third light-emitting areas EA1, EA2, and EA3 includes two light-emitting areas connected by a connecting electrode BE. In each of the light-emitting areas EA1, EA2, and EA3, the first electrode 180 is divided into two parts. Light passing through the separated part of the first electrode 180 may be diffracted, and thus the image after passing through the separated part of the first electrode 80 may be blurred. However, each of the first, second, and third light-emitting areas EA1, EA2, and EA3 is covered by any one of the color filters. In other words, the separated part of the first electrode 180 is covered by the color filter. As a result, even when diffraction occurs in the separated part of the first electrode 180, the phenomenon of blurred images can be reduced by the color filter.

[0255] However, in the fourth light-emitting area EA4 without a color filter, diffraction may cause a problem of image blurring. For example, the fourth light-emitting area EA4 has a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b. Each of the 4-1 light-emitting area EA4a and the 4-2 light-emitting area EA4b has a separated first electrode 180. In addition, there is no color filter, so the light passing through the separated portion of the first electrode 180 may produce a blurred image due to the diffraction effect. In order to solve this problem, in accordance with Figure 18 In the embodiment of the present invention, the second color compensation layer pattern CPLb is disposed between the 4-1 emission area EA4a and the 4-2 emission area EA4b within the fourth emission area EA4. Preferably, the second color compensation layer pattern CPLb has a width sufficient to cover all areas, including the separation portion between the 4-1 emission area EA4a and the 4-2 emission area EA4b, the connection electrode BE, the source electrode SE, and the contact hole connecting the source electrode SE to the connection electrode BE.

[0256] The second color compensation layer pattern CPLb may include the same material as the first color compensation layer CPL1. In addition, the second color compensation layer pattern CPLb and the first color compensation layer CPL1 may have the same material as the first color filter CF1 representing blue. In addition, reference will be made to Figure 19 The second color compensation layer pattern CPLb is described in more detail.

[0257] Figure 19 is a cross-sectional view of a transparent display device according to another embodiment of the present disclosure. In this case, Figure 19 Corresponding to the Figure 18 Cross-sectional view along line VII-VII'. Figure 19 The fourth light emitting area EA4 and the transmission area TA are involved. Figure 19 In the following description of the embodiment shown, the Figure 17 The embodiments of the present invention are the same as those of the present invention, and the description will focus on different configurations.

[0258] Reference Figure 19 A transparent display device according to another embodiment of the present disclosure may include a first substrate 100a and a second substrate 100b bonded together. The first substrate 100a may include a buffer layer 110, a gate insulating layer 130, an interlayer insulating layer 150, a source electrode SE 161, a planarization layer 170, a first electrode 180, a connection electrode BE, a bank 190, a light emitting layer 200, and a second electrode 210. The second substrate 100b may include a black matrix BM, a third color filter CF3, a first color compensation layer CPL1, a second color compensation layer pattern CPLb, and an encapsulation layer 220. The transparent display device is formed by bonding the first substrate 100a and the second substrate 100b while attaching the second electrode 210 and the encapsulation layer 220 to each other.

[0259] According to another embodiment of the present disclosure, the first electrode 180 provided in each of the 4-1 emission area EA4a and the 4-2 emission area EA4b may further include a connecting electrode BE provided on one side thereof. For example, the first electrode 180 provided in the 4-1 emission area EA4a may have the connecting electrode BE formed on one side (e.g., on the right side thereof). Hereinafter, for ease of description, the first electrode 180 provided in the 4-1 emission area EA4a and the connecting electrode BE will be primarily described.

[0260] According to another embodiment of the present disclosure, by forming the connection electrode BE in the first to fourth light-emitting areas EA1 to EA4, the step area GA in the area where the connection electrode BE is formed may partially protrude in the direction of the transmission area TA compared to the step area GA in the area where the connection electrode BE is not formed. For example, the distance from one end of the fourth light-emitting area EA4, which is located at the outermost side of the non-transmission area NTA, to the right end of the step area GA may be defined as a third distance d3.

[0261] According to another embodiment of the present disclosure, it may be additionally formed to partially protrude to one side of the first color compensation layer CPL1 , for example, rightward, so that the connection electrode BE is formed to correspond to the step area GA protruding in the direction of the transmission area TA.

[0262] By forming the second color compensation layer pattern CPLb protruding from one side of the first color compensation layer CPL1, the step area GA provided in the area where the connection electrode BE is formed overlaps with one of the first color compensation layer CPL1 and the second color compensation layer pattern CPLa. By forming the step area GA protruding to form the connection electrode BE in this manner, the first color compensation layer CPL1 and the second color compensation layer pattern CPLb overlap, thereby minimizing the yellowing phenomenon of light passing through the step area GA. In addition, by reducing the diffraction of light passing through the step area GA, the phenomenon of an image of an object placed behind the rear surface of the transparent display device appearing blurred can be overcome.

[0263] In addition, at the fourth emission area EA4, the white pixel may include a second color compensation layer pattern CPLb. For example, the second color compensation layer pattern CPLb is disposed between the 4-1 emission area EA4a and the 4-2 emission area EA4b in the fourth emission area EA4. Figure 19 yes Figure 18 FIG4 - 1 is a cross-sectional view of a portion of the emission area EA4 a covered by the second color compensation layer pattern CPLb.

[0264] The second color compensation layer pattern CPLb is disposed only between the 4-1 emission area EA4a and the 4-2 emission area EA4b. The second color compensation layer pattern CPLb may be made of the same material as the first color compensation layer CPL1. In addition, the second color compensation layer pattern CPLb and the first color compensation layer CPL1 may be formed of a blue color filter disposed at the first emission area EA1.

[0265] As a result, between the 4-1 emission area EA4a and the 4-2 emission area EA4b, the second color compensation layer pattern CPLb covers the separated portion of the first electrode 180. Therefore, even when diffraction occurs in light at the separated portion of the first electrode 180, the blurred image problem can be reduced or eliminated by the second color compensation layer pattern CPLb.

[0266] Figure 20 FIG. 1 is a diagram showing a transparent display device according to another embodiment of the present disclosure, Figure 3 A plan view of area B. Figure 21 The transparent display device according to another embodiment of the present disclosure is shown. Figure 20 In addition, except for not including the step area, Figure 20 and Figure 21 The embodiment shown is similar to Figure 16 and Figure 17 The embodiments shown are identical, so primarily the different configurations will be described below.

[0267] Reference Figure 20 and Figure 21 According to an embodiment of the present disclosure, the transparent display device may include a transmission area TA and a first light-emitting area EA1, a second light-emitting area EA2, a third light-emitting area EA3, and a fourth light-emitting area EA4 arranged on one side of the transmission area TA (for example, on the left side).

[0268] According to Figure 16 and Figure 17 The implementation methods are different, depending on Figure 20 and Figure 21 The embodiment of the present disclosure has no step area near the transmission area TA. Therefore, the first gate line GL1 and the second gate line GL2 can be arranged to overlap with the black matrix BM. Since the first gate line GL1 and the second gate line GL2 overlap with the black matrix MM, even from the transparent display panel (see Figure 2 Light transmitted through the rear surface of the transparent display panel (see 100 in the figure) is refracted or diffracted by the steps formed on the first gate line DL1 or the second gate line GL2, which can also minimize or eliminate the blurring of the image of the object placed behind the rear surface of the transparent display panel (see 100 in the figure).

[0269] Color filters CF1, CF2, and CF3 may be formed to correspond to the first, second, and third emission areas EA1, EA2, and EA3, respectively. For example, a first color filter CF1 for transmitting blue B light may be formed in the first emission area EA1. A second color filter CF2 for transmitting red R light may be formed in the second emission area EA2. A third color filter CF3 for transmitting green G light may be formed in the third emission area EA3. In addition, a separate color filter may not be provided in the fourth emission area EA4. Therefore, light emitted from the fourth emission area EA4 may display white W. A black matrix BM for separating the first to third color filters CF1 to CF3 may be provided around each of the first to fourth emission areas EA1 to EA4.

[0270] According to another embodiment of the present invention, the first to fourth light-emitting areas EA1 to EA4 may include two light-emitting areas, each connected by a connecting electrode BE. For example, the first light-emitting area EA1 may include a 1-1 light-emitting area EA1a and a 1-2 light-emitting area EA1b connected by a connecting electrode BE. The second light-emitting area EA2 may include a 2-1 light-emitting area EA2a and a 2-2 light-emitting area EA2b connected by a connecting electrode BE. The third light-emitting area EA3 may include a 3-1 light-emitting area EA3a and a 3-2 light-emitting area EA3b connected by a connecting electrode BE. The fourth light-emitting area EA4 may include a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b connected by a connecting electrode BE.

[0271] The detailed structure of the connecting electrode BE is Figure 16 and Figure 17 Since the connection electrode BE is provided in each of the light emitting regions EA1 to EA4, the step region ( Figure 5 A portion of the optical fiber GA) may further protrude into the transmission area TA.

[0272] According to another embodiment of the present disclosure, the black matrix BM may be formed in a shape that protrudes toward the transmissive area TA so as to cover a stepped region protruding toward the transmissive area TA in the region where the connecting electrode BE is formed. This configuration reduces the degree of refraction or diffraction of light incident from the rear surface of the transparent display device in the stepped region protruding from the region where the connecting electrode BE is formed. This can overcome the phenomenon in which the image of an object placed behind the rear surface of the transparent display device appears blurred, and improve user visibility.

[0273] Each of the first, second, and third light-emitting areas EA1, EA2, and EA3 includes two light-emitting areas connected by a connecting electrode BE. In each of the light-emitting areas EA1, EA2, and EA3, the first electrode 180 is divided into two parts. Light passing through the separated portion of the first electrode 180 may be diffracted, so the image after passing through the separated portion of the first electrode 80 may be blurred. However, each of the first, second, and third light-emitting areas EA1, EA2, and EA3 is covered by any one of the color filters. In other words, the separated portion of the first electrode 180 is covered by the color filter. As a result, even when diffraction occurs in the separated portion of the first electrode 180, the phenomenon of blurred images can be reduced by the color filter.

[0274] However, in the fourth light-emitting area EA4 without a color filter, diffraction may cause a blurred image. For example, the fourth light-emitting area EA4 includes a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b. Each of the 4-1 light-emitting area EA4a and the 4-2 light-emitting area EA4b has a separate first electrode 180. In addition, there is no color filter, so light passing through the separated portion of the first electrode 180 may produce a blurred image due to the diffraction effect.

[0275] In order to solve this problem, according to Figure 20 and Figure 21In the embodiment, the second color compensation layer pattern CPLb is disposed between the 4-1 emission area EA4a and the 4-2 emission area EA4b within the fourth emission area EA4. Preferably, the second color compensation layer pattern CPLb has a width sufficient to cover all of the separation portion between the 4-1 emission area EA4a and the 4-2 emission area EA4b, as well as some of the connection electrode BE. Furthermore, the source electrode SE and the contact hole connecting the source electrode SE to the connection electrode BE may be covered by the black matrix BM. The second color compensation layer pattern CPLb may be made of the same material as the first color filter CF1 representing blue.

[0276] according to Figure 20 and Figure 21 A transparent display device according to another embodiment of the present disclosure lacks stepped regions and employs a black matrix (BM) to prevent diffraction issues. However, in the fourth light-emitting area EA4, the first electrode 180 is separated into two regions, so diffraction may still occur due to the step difference between the separated regions. To prevent this diffraction issue, the separated regions of the first electrode 180 in the fourth light-emitting area EA4, which serves as white pixels, are covered with a second color compensation layer pattern CPLb. This reduces diffraction of light passing through the separated regions of the first electrode 180, thereby preventing blurry images of objects placed behind the rear surface of the transparent display device.

[0277] Figure 22 FIG. 1 is a diagram showing a transparent display device according to another embodiment of the present disclosure, Figure 3 A plan view of area B. Figure 23 The transparent display device according to another embodiment of the present disclosure is shown. Figure 22 Cross-sectional view along line IX-IX'.

[0278] Reference Figure 20 and Figure 21 The transparent display device according to an embodiment of the present disclosure may include a transmissive area TA and a light-emitting area. The light-emitting area may include a first light-emitting area EA1, a second light-emitting area EA2, a third light-emitting area EA3, and a fourth light-emitting area EA4 provided on one side (e.g., on the left side) of the transmissive area TA.

[0279] According to Figure 16 and Figure 17 The implementation methods are different, depending on Figure 20 and Figure 21The embodiment of the present disclosure has no step area near the transmission area TA. Therefore, the first gate line GL1 and the second gate line GL2 can be arranged to overlap with the black matrix BM. Since the first gate line GL1 and the second gate line GL2 overlap with the black matrix MM, even from the transparent display panel (see Figure 2 Light transmitted through the rear surface of the transparent display panel (see 100 in the figure) is refracted or diffracted by the steps formed on the first gate line DL1 or the second gate line GL2, which can also minimize or eliminate the blurring of the image of the object placed behind the rear surface of the transparent display panel (see 100 in the figure).

[0280] Color filters CF1, CF2, and CF3 can be formed to correspond to the first light-emitting area EA1, the second light-emitting area EA2, and the third light-emitting area EA3, respectively. For example, a first color filter CF1 for transmitting blue B light can be formed in the first light-emitting area EA1. A second color filter CF2 for transmitting red R light can be formed in the second light-emitting area EA2. A third color filter CF3 for transmitting green G light can be formed in the third light-emitting area EA3. In addition, a separate color filter may not be provided in the fourth light-emitting area EA4. Therefore, light emitted from the fourth light-emitting area EA4 can display white W. A black matrix BM for separating the first to third color filters CF1 to CF3 can be provided around each of the first to fourth light-emitting areas EA1 to EA4. However, the black matrix BM is not provided between the fourth light-emitting area EA4 and the transmission area TA. Therefore, the area of ​​the transmission area TA can be maximized, thereby further improving the transmittance.

[0281] like Figure 22 and Figure 23 The transparent display device according to another embodiment of the present disclosure may have Figure 20 and Figure 21 The transparent display device shown in FIG. 1 is very similar in structure to the transparent display device shown in FIG. 2 . The different feature is the structure of the black matrix BM. Therefore, the detailed description of the same structure is not repeated. For the description of the configuration with the same structure, please refer to FIG. Figure 20 and Figure 21 Description of the transparent display device shown in .

[0282] The first to fourth light-emitting areas EA1 to EA4 may include two light-emitting areas, each connected by a connecting electrode BE. For example, the first light-emitting area EA1 may include a 1-1 light-emitting area EA1a and a 1-2 light-emitting area EA1b connected by a connecting electrode BE-1. The second light-emitting area EA2 may include a 2-1 light-emitting area EA2a and a 2-2 light-emitting area EA2b connected by a connecting electrode BE. The third light-emitting area EA3 may include a 3-1 light-emitting area EA3a and a 3-2 light-emitting area EA3b connected by a connecting electrode BE. The fourth light-emitting area EA4 may include a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b connected by a connecting electrode BE.

[0283] Each of the first, second, and third light-emitting areas EA1, EA2, and EA3 includes two light-emitting areas connected by a connecting electrode BE. In each of the light-emitting areas EA1, EA2, and EA3, the first electrode 180 is divided into two parts. Light passing through the separated part of the first electrode 180 may be diffracted, and thus the image after passing through the separated part of the first electrode 80 may be blurred. However, each of the first, second, and third light-emitting areas EA1, EA2, and EA3 is covered by any one of the color filters. In other words, the separated part of the first electrode 180 is covered by the color filter. As a result, even when diffraction occurs in the separated part of the first electrode 180, the phenomenon of blurred images can be reduced by the color filter.

[0284] However, in the fourth light-emitting area EA4 without a color filter, diffraction can cause a blurred image. For example, the fourth light-emitting area EA4 includes a 4-1 light-emitting area EA4a and a 4-2 light-emitting area EA4b. Each of the 4-1 light-emitting area EA4a and the 4-2 light-emitting area EA4b has a separate first electrode 180. Furthermore, without a color filter, light passing through the separated portion of the first electrode 180 may produce a blurred image due to diffraction effects.

[0285] In order to solve this problem, according to Figure 20 and Figure 21In an embodiment, the second color compensation layer pattern CPLb is disposed between the 4-1 emission area EA4a and the 4-2 emission area EA4b within the fourth emission area EA4. Preferably, the second color compensation layer pattern CPLb has a sufficient width to cover all areas, including the separation portion between the 4-1 emission area EA4a and the 4-2 emission area EA4b, the connection electrode BE, the source electrode SE, and the contact hole connecting the source electrode SE to the connection electrode BE. As a result, by reducing diffraction of light passing through the separation area of ​​the first electrode 180, the phenomenon in which the image of an object placed behind the rear surface of the transparent display device appears blurred can be overcome. The second color compensation layer pattern CPLb can be made of the same material as the first color filter CF1 representing blue.

[0286] Therefore, the present disclosure may have the following advantages.

[0287] According to exemplary embodiments of the present disclosure, by forming a color compensation layer that transmits light of a certain wavelength band so as to overlap with a stepped region formed at the boundary of the transmissive region, the phenomenon of light passing through the transmissive region becoming yellowish due to light refracted from the stepped region can be reduced or eliminated. Furthermore, since the degree of diffraction of light passing through the rear surface of the transparent display panel in the stepped region is reduced, the background of the rear surface can be more clearly seen, thereby improving the user's visual perception.

[0288] According to exemplary embodiments of the present disclosure, by forming a color compensation layer for transmitting light of a certain wavelength band on a stepped region formed at the boundary of the transmissive region, the yellowish cast of light passing through the transmissive region can be minimized or reduced, and diffraction of light passing through the transmissive region can be reduced, thereby improving blurriness on the rear surface of the transparent display device. Even when fine errors occur when the first and second substrates are bonded, the yellowish cast of light passing through the transmissive region is reduced or eliminated, or diffraction of light passing through the transmissive region is reduced, allowing the rear surface of the transparent display device to be more clearly seen.

[0289] According to an exemplary embodiment of the present disclosure, by separating each color filter using a color compensation layer instead of a black matrix that separates the color filters, the visibility of light passing through the transmission area can be improved by forming the color filter in the same process as the color filter formation process of the transmissive blue B without adding a mask.

[0290] Exemplary embodiments of the present disclosure may be provided as follows.

[0291] According to an exemplary embodiment of the present disclosure, a display device includes: a substrate including a transmission area and a non-transmission area; a first light-emitting area, the first light-emitting area being arranged in the non-transmission area; a first color filter, the first color filter being arranged in the non-transmission area and corresponding to the first light-emitting area; a step area, the step area being arranged in the transmission area and at a boundary area close to the non-transmission area; and a first color compensation layer, the first color compensation layer being arranged in the transmission area and overlapping with the step area.

[0292] According to an exemplary embodiment of the present disclosure, the first color compensation layer extends from the non-transmission area to the transmission area and extends beyond the step area.

[0293] According to an exemplary embodiment of the present disclosure, the display device further includes a contact portion disposed in the transmission area; and a first color compensation layer pattern protruding from one side of the first color compensation layer and overlapping the contact portion.

[0294] According to an exemplary embodiment of the present disclosure, the display device further includes a connection electrode disposed in the non-transmission area; and a second color compensation layer pattern protruding from one side of the first color compensation layer.

[0295] According to an exemplary embodiment of the present disclosure, the first color compensation layer is configured so that the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light in a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light in the wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

[0296] According to an exemplary embodiment of the present disclosure, the first color compensation layer and the first color filter are disposed on the same layer.

[0297] According to an exemplary embodiment of the present disclosure, the display device further includes: a first insulating layer, which is disposed on the substrate; and a dam, which is disposed on the first insulating layer and defines the first light-emitting area, wherein one end of the first insulating layer and one end of the dam are disposed in the step area.

[0298] According to an exemplary embodiment of the present disclosure, the first color compensation layer is disposed at a lower height than the first color filter, and the first color compensation layer contacts a portion of an upper surface of the substrate.

[0299] According to an exemplary embodiment of the present disclosure, the display device further includes: a first insulating layer, which is disposed on the substrate; and a dam, which is disposed on the first insulating layer and defines the first light-emitting area, wherein one end of the first insulating layer and one end of the dam are disposed in the step area.

[0300] According to an exemplary embodiment of the present disclosure, the first color compensation layer is disposed to cover one side surface of the first insulating layer, one side surface of the bank, and an upper surface of the bank.

[0301] According to an exemplary embodiment of the present disclosure, the display device further includes a black matrix disposed between the first color filter and the first color compensation layer, wherein the black matrix is ​​disposed in a boundary region between the non-transmission region and adjacent to the transmission region.

[0302] According to an exemplary embodiment of the present disclosure, the display device further includes a second color compensation layer disposed between the first color filter and the first color compensation layer, wherein the second color compensation layer is disposed to cover a portion of an upper surface of the first color filter.

[0303] According to an exemplary embodiment of the present disclosure, the second color compensation layer is configured so that the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light in a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light in the wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

[0304] According to an exemplary embodiment of the present disclosure, a display device includes: a non-transmission area, the non-transmission area including a first light-emitting area and a second light-emitting area; a transmission area, the transmission area being arranged on one side of the non-transmission area and transmitting light; a first color filter, the first color filter being arranged to correspond to the first light-emitting area in the non-transmission area; and a first color compensation layer, the first color compensation layer overlapping at least a portion of the transmission area, wherein the first color compensation layer is arranged so that a transmittance of light within a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than a transmittance of light within a wavelength range equal to or greater than 500 nm and less than 780 nm, and a transmittance of light within the wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

[0305] According to an exemplary embodiment of the present disclosure, the display device further includes a contact portion disposed in the transmission area; and a first color compensation layer pattern protruding from one side of the first color compensation layer and overlapping the contact portion.

[0306] According to an exemplary embodiment of the present disclosure, the display device further includes a connection electrode disposed in the non-transmission area; and a second color compensation layer pattern protruding from one side of the first color compensation layer.

[0307] According to an exemplary embodiment of the present disclosure, the display device further includes a black matrix disposed to surround the first light emitting area and the second light emitting area.

[0308] According to an exemplary embodiment of the present disclosure, the display device further includes: a second color compensation layer, which is arranged to surround the first light-emitting area and the second light-emitting area, wherein the second color compensation layer is arranged so that the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light in a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light in the wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

[0309] According to an exemplary embodiment of the present disclosure, the second color compensation layer transmits light of the same color as the first color filter.

[0310] According to an exemplary embodiment of the present disclosure, a display device includes: a substrate including a transmission area and a non-transmission area; a first insulating layer, the first insulating layer being disposed on the substrate; a dam, the dam being disposed on the first insulating layer and defining a first light-emitting area and a second light-emitting area; a step area, the step area being disposed in the transmission area and at a boundary area near the non-transmission area, and one end of the first insulating layer and one end of the dam being disposed in the step area; and a first color compensation layer, the first color compensation layer being disposed to overlap with the step area and to have a complementary color relationship with light passing through the transmission area.

[0311] According to an exemplary embodiment of the present disclosure, the first color compensation layer extends from the non-transmission area to the transmission area and extends beyond the step area.

[0312] According to an exemplary embodiment of the present disclosure, the display device further includes a contact portion disposed in the transmission area; and a first color compensation layer pattern protruding from one side of the first color compensation layer and overlapping the contact portion.

[0313] According to an exemplary embodiment of the present disclosure, the display device further includes a connection electrode disposed in the non-transmission area; and a second color compensation layer pattern protruding from one side of the first color compensation layer.

[0314] According to an exemplary embodiment of the present disclosure, the first color compensation layer is configured so that the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light in a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light in the wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

[0315] According to an exemplary embodiment of the present disclosure, the display device further includes: an opposing substrate opposite to the substrate, wherein the opposing substrate includes a first color filter corresponding to the first light-emitting area, and wherein the first color compensation layer and the first color filter are arranged on the same layer.

[0316] According to an exemplary embodiment of the present disclosure, the display device further includes: a second color compensation layer, which is arranged between the first color compensation layer and the first color filter, wherein the second color compensation layer is arranged to cover a portion of the upper surface of the first color filter, and wherein the second color compensation layer has a complementary color relationship with the light passing through the transmission area.

[0317] According to an exemplary embodiment of the present disclosure, the first color compensation layer is disposed to cover one side surface of the first insulating layer and one side surface of the bank, and wherein the first color compensation layer contacts a portion of an upper surface of the substrate.

[0318] According to an exemplary embodiment of the present disclosure, the first color compensation layer includes a blue color filter.

[0319] According to an exemplary embodiment of the present disclosure,

[0320] It is obvious to those skilled in the art that various substitutions, modifications and variations are possible within the scope of the present disclosure without departing from the spirit and scope of the present disclosure. Therefore, the scope of the present disclosure is indicated by the appended claims, and all changes or modifications derived from the meaning, scope and equivalents of the claims should be interpreted as included within the scope of the present disclosure.

[0321] CROSS-REFERENCE TO RELATED APPLICATIONS

[0322] This application claims the benefit of priority to Korean Patent Application No. 10-2024-0030138, filed on February 29, 2024, and Korean Patent Application No. 10-2024-0201441, filed on December 30, 2024, which are hereby expressly incorporated herein in their entirety for all purposes.

Claims

1. A display device, comprising: A substrate comprising a transmissive region and a non-transmissive region; a first light-emitting region, the first light-emitting region being disposed in the non-transmitting region; a first color filter disposed in the non-transmitting area and corresponding to the first light emitting area; a step region provided in the transmission region and at a boundary region adjacent to the non-transmission region; and A first color compensation layer is disposed in the transmission region and overlaps the step region.

2. The display device according to claim 1, in, The first color compensation layer extends from the non-transmissive region to the transmissive region and extends beyond the step region.

3. The display device according to claim 1, further comprising: a contact portion, the contact portion being disposed in the transmission area; as well as A first color compensation layer pattern protrudes from one side of the first color compensation layer and overlaps the contact portion.

4. The display device according to claim 1, further comprising: a connecting electrode, the connecting electrode being arranged in the non-transmitting area; as well as A second color compensation layer pattern protrudes from one side of the first color compensation layer.

5. The display device according to claim 1, in, The first color compensation layer is configured so that the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light in a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

6. The display device according to claim 1, in, The first color compensation layer and the first color filter are disposed on the same layer.

7. The display device according to claim 1, further comprising: a first insulating layer, the first insulating layer being disposed on the substrate; as well as a bank portion, the bank portion being disposed on the first insulating layer and defining the first light emitting region, Wherein, one end of the first insulating layer and one end of the bank are arranged in the step region.

8. The display device according to claim 1, in, The first color compensation layer is disposed at a lower height than the first color filter, and the first color compensation layer contacts a portion of an upper surface of the substrate.

9. The display device according to claim 8, further comprising: a first insulating layer, the first insulating layer being disposed on the substrate; as well as a bank portion, the bank portion being disposed on the first insulating layer and defining the first light emitting region, Wherein, one end of the first insulating layer and one end of the bank are arranged in the step region.

10. The display device according to claim 9, in, The first color compensation layer is disposed to cover one side surface of the first insulating layer, one side surface of the bank, and an upper surface of the bank.

11. The display device according to claim 1 , further comprising: a black matrix disposed between the first color filter and the first color compensation layer; The black matrix is ​​arranged in the non-transmission area and in a boundary area close to the transmission area.

12. The display device according to claim 1, further comprising: a second color compensation layer disposed between the first color filter and the first color compensation layer; The second color compensation layer is configured to cover a portion of the upper surface of the first color filter.

13. The display device according to claim 12, in, The second color compensation layer is configured so that the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light in a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

14. The display device according to claim 1, wherein The first color compensation layer includes a blue color filter.

15. A display device, comprising: a non-transmission area, the non-transmission area including a first light-emitting area and a second light-emitting area; a transmission area, the transmission area being disposed on one side of the non-transmission area and transmitting light; a first color filter disposed to correspond to the first light emitting area in the non-transmitting area; and a first color compensation layer, the first color compensation layer overlapping at least a portion of the transmissive area, Wherein, the first color compensation layer is configured so that the transmittance of light within a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light within a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light within a wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

16. The display device according to claim 15, further comprising: a contact portion, the contact portion being disposed in the transmission area; as well as A first color compensation layer pattern protrudes from one side of the first color compensation layer and overlaps the contact portion.

17. The display device according to claim 15, further comprising: a connecting electrode, the connecting electrode being arranged in the non-transmitting area; as well as A second color compensation layer pattern protrudes from one side of the first color compensation layer.

18. The display device according to claim 15, further comprising: A black matrix is ​​provided to surround the first light emitting area and the second light emitting area.

19. The display device according to claim 15, further comprising: a second color compensation layer, the second color compensation layer being disposed to surround the first light emitting area and the second light emitting area; Wherein, the second color compensation layer is configured so that the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light in a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

20. The display device according to claim 19, in, The second color compensation layer transmits light of the same color as the first color filter.

21. The display device according to claim 15, wherein The first color compensation layer includes a blue color filter.

22. A display device, comprising: A substrate comprising a transmissive region and a non-transmissive region; a first insulating layer, the first insulating layer being disposed on the substrate; a bank portion disposed on the first insulating layer and defining a first light emitting region and a second light emitting region; a step region, the step region being disposed in the transmission region and at a boundary region close to the non-transmission region, and one end of the first insulating layer and one end of the bank being disposed in the step region; as well as A first color compensation layer is disposed to overlap the stepped region and has a complementary color relationship with the light passing through the transmissive region.

23. The display device according to claim 22, in, The first color compensation layer extends from the non-transmissive area to the transmissive area and extends beyond the step area.

24. The display device according to claim 22, further comprising: a contact portion, the contact portion being disposed in the transmission area; as well as A first color compensation layer pattern protrudes from one side of the first color compensation layer and overlaps the contact portion.

25. The display device according to claim 22, further comprising: a connecting electrode, the connecting electrode being arranged in the non-transmitting area; as well as A second color compensation layer pattern protrudes from one side of the first color compensation layer.

26. The display device according to claim 22, in, The first color compensation layer is configured so that the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is greater than the transmittance of light in a wavelength range equal to or greater than 500 nm and less than 780 nm, and the transmittance of light in a wavelength range equal to or greater than 380 nm and less than 500 nm is equal to or greater than 20%.

27. The display device according to claim 22, further comprising: an opposing substrate opposite to the substrate, Wherein, the opposite substrate includes a first color filter corresponding to the first light emitting area, and Wherein, the first color compensation layer and the first color filter are arranged on the same layer.

28. The display device according to claim 27, further comprising: a second color compensation layer, the second color compensation layer being disposed between the first color compensation layer and the first color filter, wherein the second color compensation layer is arranged to cover a portion of the upper surface of the first color filter, and The second color compensation layer has a complementary color relationship with the light passing through the transmission area.

29. The display device according to claim 27, in, The second light emitting region provides white light, Wherein, the second light emitting area includes: an upper luminous area; and a lower light emitting region, the lower light emitting region being separated from the upper light emitting region, The opposite substrate further includes a second color compensation layer pattern overlapping a corresponding area between the upper light-emitting area and the lower light-emitting area.

30. The display device according to claim 22, in, The first color compensation layer is provided to cover one side surface of the first insulating layer and one side surface of the bank, and Wherein, the first color compensation layer contacts a portion of the upper surface of the substrate.

31. The display device according to claim 22, wherein The first color compensation layer includes a blue color filter.

Images