Transparent display device

Abstract

A transparent display device is provided, which allows areas where only particles appear to be definitively turned into dark spots. The transparent display device includes: a plurality of transmissive areas; and a plurality of sub-pixels disposed between the plurality of transmissive areas, wherein each of the plurality of sub-pixels includes: a driving transistor including an active layer, a gate, a source, and a drain; a light-emitting element including a first electrode, a light-emitting layer, and a second electrode; and a conductive organic layer disposed between the driving transistor and the first electrode of the light-emitting element to electrically connect the driving transistor and the first electrode, wherein the first electrode includes a first electrode portion and a second electrode portion, and the conductive organic layer is electrically connected to the first electrode portion via a first contact hole and electrically connected to the second electrode portion via a second contact hole.

Description

Technical Field

[0001] This invention relates to a transparent display device. Background Technology

[0002] A display device may include a first electrode, a light-emitting layer, and a second electrode stacked sequentially, and may emit light via the light-emitting layer when a voltage is applied to the first and second electrodes. In such a display device, particles may appear on the first electrode during the manufacturing process. In this case, a short circuit may occur between the first and second electrodes in the area where the particles appear. For this reason, the display device has the problem that all sub-pixels where the particles appear become dark spots and thus do not emit light.

[0003] Recently, research has been actively conducted on transparent display devices, in which users can view objects or images on the opposite side through the display device.

[0004] A transparent display device includes a display area for displaying an image and a non-display area, wherein the display area may include a transmissive area capable of transmitting external light and a non-transmissive area. The transparent display device can have high light transmittance in the display area through the transmissive area.

[0005] Compared to conventional display devices, transparent display devices can have smaller light-emitting areas in their transmissive regions. Therefore, in transparent display devices, when all sub-pixels become dark due to graininess, the brightness can be further degraded compared to conventional display devices. Summary of the Invention

[0006] In view of the above problems, the present invention was made. One object of the present invention is to provide a transparent display device that can reduce the size of the light-emitting area that becomes a dark spot.

[0007] Another object of the present invention is to provide a transparent display device that allows areas where only particles appear to become clearly dark spots.

[0008] In addition to the objectives of the invention described above, those skilled in the art will clearly understand the additional objectives and features of the invention as described below.

[0009] According to one aspect of the present invention, the above and other objectives can be achieved by providing a transparent display device, the transparent display device comprising: a plurality of transmissive regions; and a plurality of sub-pixels disposed between the plurality of transmissive regions, wherein each of the plurality of sub-pixels comprises: a driving transistor including an active layer, a gate, a source, and a drain; a light-emitting element including a first electrode, a light-emitting layer, and a second electrode; and a conductive organic layer disposed between the driving transistor and the first electrode of the light-emitting element to electrically connect the driving transistor and the first electrode. The first electrode includes a first electrode portion and a second electrode portion, the conductive organic layer being electrically connected to the first electrode portion via a first contact hole and electrically connected to the second electrode portion via a second contact hole.

[0010] According to another aspect of the present invention, the above and other objectives can be achieved by providing a transparent display device, the transparent display device comprising: a driving transistor; a conductive organic layer having a first conductivity and electrically connected to the driving transistor; an organic pattern disposed on the conductive organic layer and exposing at least a portion of the conductive organic layer, the organic pattern having a second conductivity lower than the first conductivity; a planarization layer disposed on the conductive organic layer and the organic pattern; a first electrode disposed on the planarization layer and electrically connected to the conductive organic layer via a contact hole; a light-emitting layer disposed on the first electrode; and a second electrode disposed on the light-emitting layer. Attached Figure Description

[0011] The above and other objects, features, and advantages of the invention will become more apparent from the following detailed description given with reference to the accompanying drawings. In the drawings:

[0012] Figure 1 This is a schematic plan view illustrating a transparent display panel according to an embodiment of the present invention;

[0013] Figure 2 It is a diagram Figure 1 A view of a pixel example of a transparent display device shown;

[0014] Figure 3 It is a diagram Figure 2 A cross-sectional view of the first example of line I-I';

[0015] Figure 4 It is a diagram Figure 2 A sectional view of the first example of line II-II';

[0016] Figure 5 The diagram shows the particles appearing Figure 3 A view of an example of one of the multiple segmented electrodes in the image;

[0017] Figure 6 It is a view illustrating the shape of an organic pattern;

[0018] Figure 7 It is a diagram Figure 2 A cross-sectional view of the second example of line I-I';

[0019] Figure 8 It is a diagram Figure 2 A sectional view of the third example of line I-I';

[0020] Figure 9 It is a diagram Figure 2 A cross-sectional view of the fourth example of line I-I';

[0021] Figure 10 It is a diagram Figure 2 The fifth example of the sectional view of line I-I';

[0022] Figure 11 It is a diagram Figure 2 The fifth example of the sectional view of line II-II';

[0023] Figure 12 It is a diagram Figure 1 A view showing another example of the pixels of the transparent display panel;

[0024] Figure 13 It is a diagram Figure 12 A cross-sectional view of line III-III' (example);

[0025] Figure 14 The diagram shows the particles appearing Figure 13 A view of one of the multiple segmented electrodes in the example. Detailed Implementation

[0026] The advantages and features of the invention, as well as its implementation, will be illustrated by the following embodiments described with reference to the accompanying drawings. However, the invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Furthermore, the invention is defined only by the scope of the claims.

[0027] The shapes, sizes, proportions, angles, and quantities disclosed in the accompanying drawings to describe various embodiments of the invention are merely examples, and the invention is not limited to the details shown. Similar reference numerals refer to similar elements throughout. In the following description, detailed descriptions of related known functions or configurations will be omitted where it is determined that such detailed descriptions would unnecessarily obscure the focus of the invention. Where the terms "comprising," "having," and "including" are used in the description herein, additional parts may be added unless "only" is used.

[0028] When interpreting a factor, even if not explicitly stated, the factor should be interpreted as including a range of error.

[0029] When describing positional relationships, such as when the positional relationship between two parts is described as "on," "above," "below," and "after," one or more additional parts may be placed between the two parts, unless "exactly" or "directly" is used.

[0030] It will be understood that although the terms "first," "second," etc., may be used herein to describe various elements, these elements should not be limited by these terms. These terms are merely used to distinguish one element from another. For example, without departing from the scope of the invention, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element.

[0031] When describing elements of the invention, terms such as "first," "second," etc., may be used. These terms are intended to distinguish corresponding elements from other elements, and the basis, order, or number of corresponding elements is not limited by these terms. Regarding expressions such as "connected" or "joined" to one element, the one element may not only be directly connected or joined to the other element, but may also be indirectly "connected" or "joined" to the other element, unless explicitly stated otherwise, or a third element may be inserted between the corresponding elements.

[0032] Those skilled in the art will fully understand that the features of the various embodiments of the present invention can be partially or entirely combined or integrated with each other, and can be technically interoperable and driven in various ways. The various embodiments of the present invention can be implemented independently of each other, or can be implemented together in an interdependent relationship.

[0033] Figure 1 This is a schematic plan view illustrating a transparent display panel according to an embodiment of the present invention; Figure 2 It is a diagram Figure 1 A view of a pixel example of a transparent display device shown; Figure 3 It is a diagram Figure 2 A cross-sectional view of the first example of line I-I'; Figure 4 It is a diagram Figure 2 A sectional view of the first example of line II-II'; Figure 5 The diagram shows the particles appearing Figure 3 A view of an example of one of the multiple segmented electrodes in the image; Figure 6 It is a view illustrating the shape of an organic pattern; Figure 7 It is a diagram Figure 2 A cross-sectional view of the second example of line I-I'; Figure 8 It is a diagram Figure 2 A sectional view of the third example of line I-I'; Figure 9 It is a diagram Figure 2 A cross-sectional view of the fourth example of line I-I'; Figure 10 It is a diagram Figure 2 The fifth example of the sectional view of line I-I'; Figure 11 It is a diagram Figure 2 The fifth example of the sectional view of line II-II'.

[0034] In the following text, the X-axis represents a line parallel to the scan line, the Y-axis represents a line parallel to the data line, and the Z-axis represents the height direction of the transparent display device 100.

[0035] Although the transparent display device 100 according to one embodiment of the present invention is described as an organic light-emitting display device, the transparent display device 100 may be implemented as a liquid crystal display device, a plasma display panel (PDP), a quantum dot light-emitting display (QLED) or an electrophoretic display device.

[0036] Reference Figures 1 to 11 A transparent display device 100 according to one embodiment of the present invention includes a transparent display panel 110. The transparent display panel 110 includes a first substrate 111 and a second substrate 112 facing each other. The second substrate 112 may be an encapsulation substrate. The first substrate 111 may be a plastic film, a glass substrate, or a silicon wafer substrate formed using semiconductor processes. The second substrate 112 may be a plastic film, a glass substrate, or an encapsulation film. The first substrate 111 and the second substrate 112 may be made of a transparent material.

[0037] The transparent display panel 110 can be divided into a display area DA with multiple pixels P for displaying images and a non-display area NDA for not displaying images. The non-display area NDA may include a pad area PA with pads such as power pads and data pads, and at least one scan driver (not shown).

[0038] The scan driver is connected to the scan line to provide the scan signal. The scan driver can be positioned on one or both sides of the display area DA according to the in-panel gate driver (GIP) mode. For example, the scan driver can be positioned on both sides of the display area DA, but is not limited to this. The scan driver can also be positioned on only one side of the display area DA.

[0039] The display area DA includes Figure 2 The diagram shows the transmissive region TA and the non-transmissive region NTA. The transmissive region TA is the area through which most of the light incident from the outside passes, and the non-transmissive region NTA is the area through which most of the light incident from the outside does not pass. For example, the transmissive region TA may have a transmittance of α%, such as greater than 90%; the non-transmissive region NTA may be an area with a transmittance of β%, such as less than 50%. In this case, α is a value greater than β. The user can view objects or backgrounds located on the rear surface of the transparent display panel 110 due to the transmissive region TA.

[0040] The non-transmissive area (NTA) can be located between adjacent transmissive areas (TA) and may include multiple pixels (P) and multiple signal lines. The multiple signal lines may include scan lines extending in a first direction (X-axis direction) and data lines extending in a second direction (Y-axis direction) within the non-transmissive area (NTA).

[0041] Pixel P can be positioned between the transmissive areas TA to emit predetermined light, thereby displaying an image. The luminescent area EA can correspond to the area in pixel P that emits light.

[0042] Each pixel P may include at least one of 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 includes a first emitting region EA1 that emits red light, the second sub-pixel SP2 includes a second emitting region EA2 that emits green light, the third sub-pixel SP3 includes a third emitting region EA3 that emits blue light, and the fourth sub-pixel SP4 includes a fourth emitting region EA4 that emits white light, but these sub-pixels are not limited thereto. Each pixel P may include sub-pixels that emit light of colors other than red, green, blue, and white. Furthermore, the arrangement order of sub-pixels SP1, SP2, SP3, and SP4 can be modified in various ways.

[0043] The light-emitting areas EA1, EA2, EA3, and EA4, respectively located in multiple sub-pixels SP1, SP2, SP3, and SP4, may include multiple segmented light-emitting areas. Specifically, the first light-emitting area EA1 located in the first sub-pixel SP1 is divided into two, thereby including a first segmented light-emitting area EA11 and a second segmented light-emitting area EA12. The second light-emitting area EA2 located in the second sub-pixel SP2 is divided into two, thereby including a first segmented light-emitting area EA21 and a second segmented light-emitting area EA22. The third light-emitting area EA3 located in the third sub-pixel SP3 is divided into two, thereby including a first segmented light-emitting area EA31 and a second segmented light-emitting area EA32. The fourth light-emitting area EA4 located in the fourth sub-pixel SP4 is divided into two, thereby including a first segmented light-emitting area EA41 and a second segmented light-emitting area EA42.

[0044] In the following text, for ease of explanation, the first sub-pixel SP1 is the red sub-pixel that emits red light, the second sub-pixel SP2 is the green sub-pixel that emits green light, the third sub-pixel SP3 is the blue sub-pixel that emits blue light, and the fourth sub-pixel SP4 is the white sub-pixel that emits white light.

[0045] Each of the first sub-pixel SP1, the second sub-pixel SP2, the third sub-pixel SP3, and the fourth sub-pixel SP4 may include circuit elements having capacitors, thin-film transistors, etc., and light-emitting elements. The thin-film transistors may include switching transistors, sensing transistors, and driving transistors (TFTs).

[0046] The switching transistor is switched according to the scan signal provided to the scan line to supply the data voltage from the data line to the driving transistor TFT.

[0047] The sensing transistor is used to sense the threshold voltage deviation of the driving transistor TFT, which can lead to image quality degradation.

[0048] The driving transistor TFT switches according to the data voltage provided from the switching thin-film transistor, generates a data current according to the power supply provided from the pixel power line, and provides the data current to the first electrode 120 of the sub-pixel. The driving transistor TFT includes an active layer ACT, a gate GE, a source SE, and a drain DE.

[0049] A capacitor is used to maintain the data voltage supplied to the driving transistor TFT within a frame. The capacitor may include two capacitor electrodes, but is not limited to this. In one embodiment, the capacitor may include three capacitor electrodes.

[0050] Specifically, the active layer ACT may be disposed on the first substrate 111. The active layer ACT may include a silicon-based semiconductor material or an oxide-based semiconductor material.

[0051] like Figure 4 As shown, a light-shielding layer LS may be disposed between the first substrate 111 and the active layer ACT. The light-shielding layer LS is used to block external light incident on the active layer ACT in the area where the driving transistor TFT is disposed. The light-shielding layer LS may be a single layer or multiple layers made of any one of molybdenum (Mo), aluminum (Al), chromium (Cr), gold (Au), titanium (Ti), nickel (Ni), neodymium (Nd), and copper (Cu) or their alloys. A buffer layer BF may be disposed between the light-shielding layer LS and the active layer ACT.

[0052] The gate insulating layer GI can be disposed on the active layer ACT. The gate insulating layer GI may include inorganic layers, such as silicon oxide layers (SiOx), silicon nitride layers (SiNx), or multiple layers of SiOx and SiNx.

[0053] The gate GE may be disposed on the gate insulating layer GI. The gate GE may comprise a single layer or multiple layers made of one or an alloy of molybdenum (Mo), aluminum (Al), chromium (Cr), gold (Au), titanium (Ti), nickel (Ni), neodymium (Nd) and copper (Cu).

[0054] The interlayer dielectric layer (ILD) can be disposed on the gate (GE). The interlayer dielectric layer (ILD) may include inorganic layers, such as silicon oxide (SiOx), silicon nitride (SiNx), or a multilayer of SiOx and SiNx.

[0055] The source (SE) and drain (DE) can be disposed on the interlayer dielectric layer (ILD). One of the source (SE) and drain (DE) can be connected to the active layer (ACT) via a contact hole passing through the gate insulating layer (GI) and the interlayer dielectric layer (ILD).

[0056] The source (SE) and drain (DE) may be made of one or more layers of molybdenum (Mo), aluminum (Al), chromium (Cr), gold (Au), titanium (Ti), nickel (Ni), neodymium (Nd), and copper (Cu) or alloys thereof.

[0057] A conductive organic layer EOL can be disposed on the source SE and drain DE. The conductive organic layer EOL can have a first conductivity and can be electrically connected to the source SE or drain DE. Because the conductive organic layer EOL has conductivity, it can electrically connect the source SE or drain DE of the driving transistor TFT to the first electrode 120 of the light-emitting element.

[0058] Organic patterned OSLs can be disposed on conductive organic layers EOLs. Organic patterned OSLs can have a second conductivity lower than the first conductivity. That is, organic patterned OSLs can have a conductivity lower than the conductive organic layer EOL, or they can have insulating properties.

[0059] Organic patterned OSLs comprise multiple patterns that are spaced apart from each other and expose at least a portion of the conductive organic layer (EOL). Organic patterned OSLs can have line or dot shapes. In one embodiment, an organic patterned OSL may include, for example... Figure 6 Multiple line patterns are shown in (a) and (b). These line patterns can be arranged to be spaced apart from each other and expose at least a portion of the conductive organic layer EOL located beneath them. At least one of the width and spacing of the multiple line patterns can be different for each sub-pixel depending on the limiting current of the driving transistor TFT for each sub-pixel.

[0060] In another embodiment, organic patterned OSLs may include, for example, Figure 6The multiple dot patterns shown in (c) and (d) are examples. The multiple dot patterns can be arranged to be spaced apart from each other and expose at least a portion of the conductive organic layer EOL located beneath them.

[0061] Depending on the selected current of the driving transistor TFT of each of the plurality of sub-pixels SP1, SP2, SP3, and SP4, at least one of the width and spacing distance of the organic pattern OSL can be different for each sub-pixel. In one embodiment, the thickness of the organic pattern OSL can be different for each sub-pixel depending on the selected current of the driving transistor TFT of each of the plurality of sub-pixels SP1, SP2, SP3, and SP4. This will be described in detail later.

[0062] A planarization layer PLN for planarizing the step difference caused by the driving transistor TFT can be disposed on a conductive organic layer EOL and an organic pattern OSL. The planarization layer PLN may include organic layers such as acrylic resin, epoxy resin, phenolic resin, polyamide resin, and polyimide resin.

[0063] The light-emitting element, including the first electrode 120, the organic light-emitting layer 130, and the second electrode 140, as well as the embankment 125, can be disposed on the planarization layer PLN.

[0064] The first electrode 120 may be disposed on the planarization layer PLN for each of the plurality of sub-pixels SP1, SP2, SP3, and SP4. One first electrode 120 may be disposed in the first sub-pixel SP1, another first electrode 120 may be disposed in the second sub-pixel SP2, another first electrode 120 may be disposed in the third sub-pixel SP3, and another first electrode 120 may be disposed in the fourth sub-pixel SP4. The first electrode 120 may not be disposed in the transmissive region TA.

[0065] The first electrode 120 may include a highly reflective metallic material, such as a stacked structure of aluminum and titanium (Ti / Al / Ti), a stacked structure of aluminum and ITO (ITO / Al / ITO), an Ag alloy, a stacked structure of Ag alloy and ITO (ITO / Ag alloy / ITO), a MoTi alloy, and a stacked structure of MoTi alloy and ITO (ITO / MoTi alloy / ITO). The Ag alloy may be an alloy of silver (Ag), palladium (Pd), copper (Cu), etc. The MoTi alloy may be an alloy of molybdenum (Mo) and titanium (Ti). The first electrode 120 may be an anode.

[0066] The first electrode 120 can be electrically connected to the conductive organic layer EOL via a contact hole through the planarization layer PLN, and the conductive organic layer EOL can be electrically connected to the source SE and drain DE of the driving transistor TFT. As a result, the first electrode 120 can be electrically connected to the driving transistor TFT to receive data current from the driving transistor TFT.

[0067] More specifically, the first electrode 120 disposed in each of the plurality of sub-pixels SP1, SP2, SP3 and SP4 may include a plurality of segmentation electrodes 121 and 122 and an anode connection electrode ACE.

[0068] Multiple segmented electrodes 121 and 122 may be disposed on the planarization layer PLN. The multiple segmented electrodes 121 and 122 may include two or more and may be configured to be spaced apart from each other in a first direction (X-axis direction) or a second direction (Y-axis direction). As an example, the first electrode 120 may include, for example, […]. Figure 2 The first segmented electrode 121 and the second segmented electrode 122 are shown, but are not limited thereto. Multiple segmented electrodes 121 and 122 may include two or more. It should be understood that "segmented electrode" includes the meaning of "electrode portion" or may be referred to as "electrode portion," and the term "segmented electrode" does not require a segmenting action.

[0069] As the number of the plurality of segmented electrodes 121 and 122 included in a first electrode 120 decreases, the aperture ratio can increase, but the yield can decrease because the size of the region where the particles become dark spots can increase. On the other hand, as the number of the plurality of segmented electrodes 121 and 122 included in a first electrode 120 increases, the aperture ratio can decrease, but the size of the region where the particles become dark spots to reduce the yield can decrease.

[0070] For ease of explanation, the following description will be based on the first electrode 120, including the first segmented electrode 121 and the second segmented electrode 122.

[0071] The first segmentation electrode 121 may be disposed in the first segmented light-emitting regions EA11, EA21, EA31 and EA41, and the second segmentation electrode 122 may be disposed in the second segmented light-emitting regions EA12, EA22, EA32 and EA42. The first segmentation electrode 121 and the second segmentation electrode 122 may be configured to be separated from each other in the same layer.

[0072] The anode connection electrode ACE is used to connect the first segmented electrode 121 and the second segmented electrode 122 to the driving transistor TFT, and may include, for example: Figure 2 The first anode connection ACE1 and the second anode connection ACE2 are shown.

[0073] A first anode connection portion ACE1 may be disposed between the transmission region TA and the first segmenting electrode 121. One end of the first anode connection portion ACE1 may be connected to the first segmenting electrode 121, and the other end may be connected to the conductive organic layer EOL. The first anode connection portion ACE1 may extend from the first segmenting electrode 121 toward the transmission region TA by a predetermined length at one end. The first anode connection portion ACE1 may extend flexibly such that at least a portion of it may overlap with the conductive organic layer EOL at the other end. At least a portion of the first anode connection portion ACE1 may overlap with the conductive organic layer EOL at the other end and may be electrically connected to the conductive organic layer EOL via the first contact hole CH1.

[0074] The second anode connection portion ACE2 may be disposed between the transmission region TA and the second segmented electrode 122. One end of the second anode connection portion ACE2 may be connected to the second segmented electrode 122, and the other end may be connected to the conductive organic layer EOL. The second anode connection portion ACE2 may extend from the second segmented electrode 122 toward the transmission region TA by a predetermined length at one end. The second anode connection portion ACE2 may extend flexibly such that at least a portion of it may overlap with the conductive organic layer EOL at the other end. At least a portion of the second anode connection portion ACE2 may overlap with the conductive organic layer EOL at the other end and may be electrically connected to the conductive organic layer EOL via the second contact hole CH2.

[0075] The first anode connection portion ACE1 can be integrally formed with the first segmented electrode 121 in the same layer to become the first segmented electrode 121, and the second anode connection portion ACE2 can be integrally formed with the second segmented electrode 122 in the same layer to become the second segmented electrode 122. The regions forming the first anode connection portion ACE1 and the second anode connection portion ACE2 can be non-transmissive regions (NTA), but are not limited thereto. In another embodiment, the first anode connection portion ACE1 and the second anode connection portion ACE2 can be made of a transparent conductive material. In this case, the regions forming the first anode connection portion ACE1 and the second anode connection portion ACE2 can be transmissive regions (TA).

[0076] In a transparent display panel 110 according to an embodiment of the present invention, the driving transistor TFT may further include a transistor connection electrode TCE for connecting the driving transistor TFT to the segmented electrodes 121 and 122 of the first electrode 120.

[0077] One end of the transistor connection electrode TCE can be connected to the source SE or drain DE of the driving transistor TFT, and the other end can be connected to the first segmented electrode 121 and the second segmented electrode 122 via the conductive organic layer EOL. The transistor connection electrode TCE can extend a predetermined length from the source SE or drain DE of the driving transistor TFT toward the transmission region TA at one end. The transistor connection electrode TCE can overlap at the other end with at least a portion of the first anode connection portion ACE1 connected to the first segmented electrode 121 and at least a portion of the second anode connection portion ACE2 connected to the second segmented electrode 122.

[0078] At least a portion of the transistor connection electrode TCE may be configured to contact the conductive organic layer EOL. The conductive organic layer EOL may be directly disposed on at least a portion of its upper surface. The conductive organic layer EOL disposed on the upper surface at the other end of the transistor connection electrode TCE may be connected to the first segmenting electrode 121 via a first contact hole CH1, and may be connected to the second segmenting electrode 122 via a second contact hole CH2. Therefore, the transistor connection electrode TCE may be electrically connected to the first segmenting electrode 121 and the second segmenting electrode 122 via the conductive organic layer EOL disposed on its upper surface.

[0079] A feature of the transparent display panel 110 according to one embodiment of the present invention is that the first electrode 120, composed of a first dividing electrode 121 and a second dividing electrode 122, is connected to the driving transistor TFT via a conductive organic layer EOL. In this case, in the transparent display panel 110 according to one embodiment of the present invention, even if particles appear in either the first dividing electrode 121 or the second dividing electrode 122, only the area where the corresponding dividing electrode is provided can be definitively turned into a dark spot, while the other dividing electrodes can operate normally.

[0080] Specifically, in a display panel 110 according to one embodiment of the present invention, particles may be present in either the first dividing electrode 121 or the second dividing electrode 122. In this case, in the display panel 110 according to one embodiment of the present invention, a short circuit may occur between the first dividing electrode 121 and the second dividing electrode 122 in the region where the particles are located. When an aging signal is applied to the light-emitting element during the aging process, the current may be concentrated in the region where the first dividing electrode 121 and the second dividing electrode 122 are short-circuited, thereby generating significant heat through Joule heating. In this case, the aging process can be performed before the product is released to prevent a decline in quality or reliability. The aging signal may correspond to a power supply or signal applied to the light-emitting element to cause a predetermined current to flow into the light-emitting element, and may be, for example, a reverse bias voltage.

[0081] In a transparent display panel 110 according to an embodiment of the present invention, when sufficient heat is generated in the area where the particles are located, the light-emitting layer 130 and the second electrode 140 are melted, thereby the dividing electrode 121 and the second electrode 140 can be insulated from each other.

[0082] However, if sufficient heat is not generated in the area where the particles are located, the light-emitting layer 130 and the second electrode 140 do not melt, and the segmented electrode 121 and the second electrode 140 may short-circuit. In this case, no light will be emitted in the segmented electrode where the particles are present, nor in the area where other segmented electrodes 122 are provided.

[0083] In a transparent display panel 110 according to an embodiment of the present invention, the dividing electrode 121 where particles appear and the driving transistor TFT can be disconnected from each other, so that light can be emitted in the area where the dividing electrode 122 where particles do not appear is provided. For this purpose, in the transparent display panel 110 according to an embodiment of the present invention, the first dividing electrode 121 and the second dividing electrode 122 are not directly connected to the driving transistor TFT, but can be connected to the driving transistor TFT via a conductive organic layer EOL.

[0084] Because the source (SE) or drain (DE) of the driving transistor TFT is made of a metallic material with a high melting point, it is difficult to melt the source (SE) or drain (DE) of the driving transistor TFT. Therefore, one method to disconnect the particle-containing segmented electrode 121 from the driving transistor TFT is to use a laser to cut the source (SE) or drain (DE) of the driving transistor TFT.

[0085] However, with this method, other lines and peripheral components can be damaged by the laser. To prevent this damage, the lines and circuit components need to be designed not to overlap with the laser-cut area. In this case, since the lines and circuit components must be designed within a confined space, the size of the light-emitting area EA or the transmission area TA can be reduced to ensure the laser-cut area is properly secured. Furthermore, the laser cutting process becomes more complex and the processing time can be extended because a segmentation electrode for searching for and disconnecting particles from the driving transistor TFT must be additionally provided.

[0086] To solve the above problems, a transparent display panel 110 according to one embodiment of the present invention may have a structure in which the segmented electrode 121 with particles and the driving transistor TFT can be electrically separated from each other without laser cutting.

[0087] Specifically, in a transparent display panel 110 according to an embodiment of the present invention, such as Figure 3 As shown, the first dividing electrode 121 and the second dividing electrode 122 may not be directly connected to the driving transistor TFT, but may be connected to the driving transistor TFT via the conductive organic layer EOL.

[0088] The first contact hole CH1 can expose at least a portion of the conductive organic layer EOL and at least a portion of the organic pattern OSL through the planarization layer PLN. The first segmented electrode 121 may include a first contact region CA1 in contact with at least a portion of the conductive organic layer EOL and at least a portion of the organic pattern OSL exposed by the first contact hole CH1.

[0089] The second contact hole CH2 can expose at least a portion of the conductive organic layer EOL and at least a portion of the organic pattern OSL through the planarization layer PLN. The second segmentation electrode 122 may include a second contact region CA2 in contact with at least a portion of the conductive organic layer EOL and at least a portion of the organic pattern OSL exposed by the second contact hole CH2. The size of the conductive organic layer EOL exposed by the first contact hole CH1 and the second contact hole CH2 may be different for each sub-pixel depending on the limiting current of the driving transistor TFT of each sub-pixel among the plurality of sub-pixels.

[0090] When a particle appears in either the first dividing electrode 121 or the second dividing electrode 122, the current is concentrated on the dividing electrode where the particle appears, thereby causing a large amount of current to flow even in the contact region CA1. For example, when a particle appears in the first dividing electrode 121, the current is concentrated on the first dividing electrode 121, thereby causing a large amount of current to flow even in the first contact region CA1. Therefore, significant heat can be generated in the first contact region CA1 by Joule heating.

[0091] The conductive organic layer (EOL) is an organic material with high conductivity and a melting point lower than that of metallic materials. Therefore, the conductive organic layer (EOL) can melt at a lower temperature than the source (SE) or drain (DE) of the driving transistor TFT. When sufficient heat is generated in the first contact area CA1 of the first segmented electrode 121 where particles appear, the conductive organic layer (EOL) and the organic pattern (OSL) disposed in the first contact area CA1 can... Figure 5 The melting process is as shown to electrically separate the first segmented electrode 121 from the transistor connection electrode TCE. Therefore, the first contact area CA1 can be transformed into a non-contact area NCA where the first segmented electrode 121 and the conductive organic layer EOL do not contact each other.

[0092] As a result, in the transparent display panel 110 according to one embodiment of the present invention, the granular dividing electrode 121 and the driving transistor TFT can be electrically separated from each other without laser cutting. Therefore, in the transparent display panel 110 according to one embodiment of the present invention, other lines and circuit elements can be prevented from being damaged by laser, and since a separate laser cutting process is not required, the process can be simplified and the process time can be shortened.

[0093] Furthermore, in the transparent display panel 110 according to one embodiment of the present invention, since the conductive organic layer EOL only needs to contact the dividing electrodes 121 and 122, other lines and circuit elements can be designed to overlap with the conductive organic layer EOL. Therefore, in the transparent display panel 110 according to one embodiment of the present invention, the size of the light-emitting area EA or the transmissive area TA is not reduced when the conductive organic layer EOL is provided. That is, in the transparent display panel 110 according to one embodiment of the present invention, the conductive organic layer EOL can be provided without reducing the aperture ratio and transmittance.

[0094] Furthermore, in the transparent display panel 110 according to one embodiment of the present invention, when particles appear, the light-emitting layer 130 and the second electrode 140 in the area where the particles are located can be melted or sublimated by Joule heating, thereby performing initial aging. In the transparent display panel 110 according to one embodiment of the present invention, only the area where particles appear can locally become dark spots. However, even if sufficient heat is not generated in the area where the particles are located, or the dividing electrode and the second electrode 140 are still electrically connected to each other and not insulated from each other, depending on the molten state of the light-emitting layer 130 and the second electrode 140, initial aging can still be performed.

[0095] In this situation, in the transparent display panel 110 according to one embodiment of the present invention, since the current is still concentrated on the dividing electrode where the particles appear, the conductive organic layer EOL and the organic pattern OSL of the contact area CA can melt or sublimate due to Joule heating, thereby performing secondary aging. As a result, in the transparent display panel 110 according to one embodiment of the present invention, only a portion of the sub-pixels where the particles appear can be definitively turned into dark spots, preventing all sub-pixels from becoming dark spots.

[0096] Meanwhile, in the transparent display panel 110 according to one embodiment of the present invention, the contact size between the conductive organic layer EOL disposed on the upper surface of the transistor connection electrode TCE and the first electrode 120 can be formed to be different for each sub-pixel. In this case, the contact size between the conductive organic layer EOL and the first electrode 120 can be represented as the sum of the sizes of the conductive organic layer EOL in the contact area CA that contact the first anode connection portion ACE1 and the second anode connection portion ACE2 extending from the dividing electrodes 121 and 122, respectively.

[0097] Specifically, in a transparent display panel 110 according to an embodiment of the present invention, the contact size of the conductive organic layer EOL and the first electrode 120 can be set differently for each sub-pixel, taking into account the magnitude of the current supplied from the driving transistor TFT.

[0098] The selected current for each of the first to fourth sub-pixels SP1, SP2, SP3, and SP4 can vary depending on the color of the emitted light. The size of the driving transistor TFT disposed in each of the first to fourth sub-pixels SP1, SP2, SP3, and SP4 can be determined with consideration of the selected current. For example, the selected current for the first sub-pixel SP1, which emits red light, can be the largest among the first to fourth sub-pixels SP1, SP2, SP3, and SP4. In this case, the driving transistor TFT connected to the first electrode 120 of the first sub-pixel SP1 can have a larger size than the driving transistor TFTs of each of the second to fourth sub-pixels SP2, SP3, and SP4, thereby having a high limiting current. As another example, the selected current for the third sub-pixel SP3, which emits blue light, can be the smallest among the first to fourth sub-pixels SP1, SP2, SP3, and SP4. In this case, the driving transistor TFT connected to the first electrode 120 of the third sub-pixel SP3 can have a smaller size than the driving transistors of each of the first, second, and fourth sub-pixels SP1, SP2, and SP4, thereby having a low limiting current.

[0099] Depending on the size of the driving transistor TFT, the first electrode 120 disposed in each of the first to fourth sub-pixels SP1, SP2, SP3, and SP4 can have a variable contact resistance with the conductive organic layer EOL. When the size of the driving transistor TFT is larger, the current supplied from the driving transistor TFT is larger, thereby the contact resistance between the first electrode 120 and the conductive organic layer EOL can be larger. On the other hand, when the size of the driving transistor TFT is smaller, the current supplied from the driving transistor TFT is smaller, thereby the contact resistance between the first electrode 120 and the conductive organic layer EOL can be smaller.

[0100] In a transparent display panel 110 according to an embodiment of the present invention, the contact size between the conductive organic layer EOL and the first electrode 120 can be adjusted, thereby adjusting the contact resistance between the conductive organic layer EOL and the first electrode 120. As a result, in the transparent display panel 110 according to an embodiment of the present invention, the contact resistance between the first electrode 120 and the conductive organic layer EOL can be similar in the first to fourth sub-pixels SP1, SP2, SP3 and SP4.

[0101] For example, the driving transistor TFT connected to the first electrode 120 of the first sub-pixel SP1 can be the largest, the driving transistor TFT connected to the first electrode 120 of the second sub-pixel SP2 can be the second largest, the driving transistor TFT connected to the first electrode 120 of the fourth sub-pixel SP4 can be the third largest, and the driving transistor TFT connected to the first electrode 120 of the third sub-pixel SP3 can be the smallest. For example, the driving transistor TFT connected to the first electrode 120 of the red sub-pixel SP1 can be the largest, the driving transistor TFT connected to the first electrode 120 of the green sub-pixel SP2 can be the second largest, the driving transistor TFT connected to the first electrode 120 of the white sub-pixel SP4 can be the third largest, and the driving transistor TFT connected to the first electrode 120 of the blue sub-pixel SP3 can be the smallest.

[0102] In this case, the contact size between the first electrode 120 of the third sub-pixel SP3 and the conductive organic layer EOL can be smaller than that between the first electrode 120 of the fourth sub-pixel SP4 and the conductive organic layer EOL. The current applied to the first electrode 120 of the third sub-pixel SP3 can be smaller than the current applied to the first electrode 120 of the fourth sub-pixel SP4. Therefore, the contact size between the first electrode 120 of the third sub-pixel SP3 and the conductive organic layer EOL is smaller than that between the first electrode 120 of the fourth sub-pixel SP4 and the conductive organic layer EOL, thereby increasing the contact resistance between the first electrode 120 of the third sub-pixel SP3 and the conductive organic layer EOL.

[0103] Furthermore, the contact size between the first electrode 120 of the fourth sub-pixel SP4 and the conductive organic layer EOL can be smaller than that between the first electrode 120 of the second sub-pixel SP2 and the conductive organic layer EOL. The current applied to the first electrode 120 of the fourth sub-pixel SP4 can be smaller than the current applied to the first electrode 120 of the second sub-pixel SP2. Therefore, since the contact size between the first electrode 120 of the fourth sub-pixel SP4 and the conductive organic layer EOL is smaller than that between the first electrode 120 of the second sub-pixel SP2 and the conductive organic layer EOL, the contact resistance between the first electrode 120 of the fourth sub-pixel SP4 and the conductive organic layer EOL can be increased.

[0104] Furthermore, the contact size between the first electrode 120 of the second sub-pixel SP2 and the conductive organic layer EOL can be smaller than the contact size between the first electrode 120 of the first sub-pixel SP1 and the conductive organic layer EOL. The current applied to the first electrode 120 of the second sub-pixel SP2 can be smaller than the current applied to the first electrode 120 of the first sub-pixel SP1. Therefore, since the contact size between the first electrode 120 of the second sub-pixel SP2 and the conductive organic layer EOL is smaller than the contact size between the first electrode 120 of the first sub-pixel SP1 and the conductive organic layer EOL, the contact resistance between the first electrode 120 of the second sub-pixel SP2 and the conductive organic layer EOL can be increased.

[0105] As a result, the contact size between the first electrode 120 and the conductive organic layer EOL can be minimized in the third sub-pixel SP3, the second smallest in the fourth sub-pixel SP4, the third smallest in the second sub-pixel SP2, and the largest in the first sub-pixel SP1. For example, the contact size between the first electrode 120 and the conductive organic layer EOL can be minimized in the blue sub-pixel SP3, the second smallest in the white sub-pixel SP4, the third smallest in the green sub-pixel SP2, and the largest in the red sub-pixel SP1.

[0106] In the transparent display panel 110 according to one embodiment of the present invention, when the current applied from the driving transistor TFT is small, the contact size between the conductive organic layer EOL connected to the corresponding driving transistor TFT and the first electrode 120 decreases, thereby increasing the contact resistance between the conductive organic layer EOL and the first electrode 120. As a result, in the transparent display panel 110 according to one embodiment of the present invention, when particles are present, the conductive organic layer EOL can melt or sublimate in the contact area CA, thereby electrically separating the first electrode 120 and the driving transistor TFT from each other.

[0107] Meanwhile, in a transparent display panel 110 according to an embodiment of the present invention, the contact size between the conductive organic layer EOL and the first electrode 120 in each sub-pixel SP1, SP2, SP3 and SP4 can be adjusted according to at least one of the width and spacing distance of the organic pattern OSL in contact with the first electrode 120.

[0108] In one embodiment of the invention, the organic pattern OSL in contact with the first electrode 120 may have different widths for each sub-pixel SP1, SP2, SP3, and SP4. The organic pattern OSL may have a width that varies according to the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4.

[0109] When the limiting current of the driving transistor TFT in each sub-pixel SP1, SP2, SP3, and SP4 is low, the organic pattern OSL can have a wider width in the contact area CA to reduce the contact size between the conductive organic layer EOL and the first electrode 120. For example, the driving transistor TFT disposed in the third sub-pixel SP3 (which may be referred to as the sub-pixel emitting light of the first color) can have a lower limiting current than the driving transistor TFT disposed in the first sub-pixel SP1 (which may be referred to as the sub-pixel emitting light of the second color). In this case, the contact size between the first electrode 120 disposed in the third sub-pixel SP3 and the conductive organic layer EOL is set to be smaller than the contact size between the first electrode 120 disposed in the first sub-pixel SP1 and the conductive organic layer EOL, thereby increasing the contact resistance between the first electrode 120 disposed in the third sub-pixel SP3 and the conductive organic layer EOL.

[0110] Therefore, the organic pattern OSL in contact with the first electrode 120 disposed in the third sub-pixel SP3 can have, for example, Figure 6 The first widths W1 and W3 shown in (a) and (c) may have second widths W2 and W4 smaller than the first widths W1 and W3, as shown in (c). The organic pattern OSL in contact with the first electrode 120 disposed in the first sub-pixel SP1 may also have second widths W2 and W4 smaller than the first widths W1 and W3. Figure 6 As shown in (b) and (d), the spacing distances d1 and d3 between the organic patterns OSL that are in contact with the first electrode 120 in the third sub-pixel SP3 can be equal to the spacing distances d2 and d4 between the organic patterns OSL that are in contact with the first electrode 120 in the first sub-pixel SP1.

[0111] As a result, when the contact area CA is the same, the smaller conductive organic layer EOL can be exposed without being covered by the organic pattern OSL in the contact area CA of the first electrode 120 in the third sub-pixel SP3. That is, the contact size between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL can be smaller than the contact size between the first electrode 120 in the first sub-pixel SP1 and the conductive organic layer EOL. Therefore, even if the driving transistor TFT in the third sub-pixel SP3 has a low limiting current, the contact resistance between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL can be increased, thereby generating enough heat to melt or sublimate the conductive organic layer EOL and the organic pattern OSL when the first electrode 120 and the second electrode 140 are short-circuited.

[0112] In another embodiment, the spacing of the organic pattern OSL in contact with the first electrode 120 may be different for each sub-pixel SP1, SP2, SP3, and SP4. The spacing of the organic pattern OSL may be varied according to the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4.

[0113] When the limiting current of the driving transistor TFT in each sub-pixel SP1, SP2, SP3, and SP4 is low, the organic pattern OSL can have a smaller spacing to reduce the contact size between the conductive organic layer EOL and the first electrode 120 in the contact area CA. For example, the driving transistor TFT in the third sub-pixel SP3 can have a lower limiting current than the driving transistor TFT in the first sub-pixel SP1. In this case, the contact size between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL is set to be smaller than the contact size between the first electrode 120 in the first sub-pixel SP1 and the conductive organic layer EOL, thereby increasing the contact resistance between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL.

[0114] Therefore, the organic pattern OSL in contact with the first electrode 120 disposed in the third sub-pixel SP3 may have a first spacing distance, and the organic pattern OSL in contact with the first electrode 120 disposed in the first sub-pixel SP1 may have a second spacing distance greater than the first spacing distance. In this case, the width of the organic pattern OSL in contact with the first electrode 120 disposed in the third sub-pixel SP3 may be equal to the width of the organic pattern OSL in contact with the first electrode 120 disposed in the first sub-pixel SP1.

[0115] As a result, when the contact area CA is the same, the smaller conductive organic layer EOL can be exposed without being covered by the organic pattern OSL in the contact area CA of the first electrode 120 in the third sub-pixel SP3. That is, the contact size between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL can be smaller than the contact size between the first electrode 120 in the first sub-pixel SP1 and the conductive organic layer EOL. Therefore, even if the driving transistor TFT in the third sub-pixel SP3 has a low limiting current, the contact resistance between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL can be increased, thereby generating enough heat to melt or sublimate the conductive organic layer EOL and the organic pattern OSL when the first electrode 120 and the second electrode 140 are short-circuited.

[0116] In another embodiment, the width and spacing of the organic pattern OSL in contact with the first electrode 120 may differ for each sub-pixel SP1, SP2, SP3, and SP4. The width and spacing of the organic pattern OSL can be varied according to the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4. When the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4 is low, the width and spacing of the organic pattern OSL can be appropriately designed to reduce the contact size between the conductive organic layer EOL in the contact area CA and the first electrode 120.

[0117] In a transparent display panel 110 according to an embodiment of the present invention, the contact size between the first electrode 120 and the conductive organic layer EOL can be adjusted taking into account the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3 and SP4. Therefore, in a transparent display panel 110 according to an embodiment of the present invention, even if the driving transistor TFT has a low limiting current, the first electrode 120 and the driving transistor TFT can be electrically separated from each other in the contact area CA when particles are present.

[0118] In the transparent display panel 110 according to an embodiment of the present invention, even if particles appear, only the area where the particles are located becomes a local dark spot, or only the corresponding segment electrode among the plurality of segment electrodes 121 and 122 is short-circuited, thereby reducing the light loss rate caused by the appearance of dark spots.

[0119] A dam 125 may be disposed on the planarization layer PLN. Furthermore, the dam 125 may be disposed between the first electrodes 120 located in the first to fourth sub-pixels SP1, SP2, SP3, and SP4, and may also be disposed on the first anode connection portion ACE1, the second anode connection portion ACE2, the first contact hole CH1, and the second contact hole CH2. The dam 125 may be configured to at least partially cover the edge of each first electrode 120 and expose a portion of each first electrode 120. Therefore, the dam 125 can prevent the luminous efficiency from deteriorating due to current concentration at each end of the first electrode 120.

[0120] The dam 125 defines the light-emitting regions EA11, EA12, EA21, EA22, EA31, EA32, EA41, and EA42 for each sub-pixel SP1, SP2, SP3, and SP4. In each sub-pixel SP1, SP2, SP3, and SP4, the light-emitting regions EA11, EA12, EA21, EA22, EA31, EA32, EA41, and EA42 refer to the regions in which the first electrode 120, the organic light-emitting layer 130, and the second electrode 140 are stacked sequentially, so that holes from the first electrode 120 and electrons from the second electrode 140 combine with each other in the organic light-emitting layer 130 to emit light. In this case, the area in the non-transmissive region NTA where the dam 125 is provided does not emit light, thus becoming a non-light-emitting area, and the area where the dam 125 is not provided and the first electrode 120 is exposed can become the light-emitting regions EA11, EA12, EA21, EA22, EA31, EA32, EA41, and EA42.

[0121] The embankment 125 may include an organic layer such as acrylic resin, epoxy resin, phenolic resin, polyamide resin, and polyimide resin.

[0122] An organic light-emitting layer 130 may be disposed on the first electrode 120. The organic light-emitting layer 130 may include a hole transport layer, a light-emitting layer, and an electron transport layer. In this case, when a voltage is applied to the first electrode 120 and the second electrode 140, holes and electrons migrate to the light-emitting layer via the hole transport layer and the electron transport layer, respectively, and combine with each other in the light-emitting layer to emit light.

[0123] In one embodiment, the organic light-emitting layer 130 may be a common layer disposed in sub-pixels SP1, SP2, SP3, and SP4. In this case, the light-emitting layer may be a white light-emitting layer for emitting white light.

[0124] In another embodiment, the light-emitting layer of the organic light-emitting layer 130 may be provided for each sub-pixel SP1, SP2, SP3, and SP4. For example, a red light-emitting layer for emitting red light may be provided in the first sub-pixel SP1, a green light-emitting layer for emitting green light may be provided in the second sub-pixel SP2, a blue light-emitting layer for emitting blue light may be provided in the third sub-pixel SP3, and a white light-emitting layer for emitting white light may be provided in the fourth sub-pixel SP4. In this case, the light-emitting layer of the organic light-emitting layer 130 may not be provided in the transmissive region TA.

[0125] The second electrode 140 may be disposed on the organic light-emitting layer 130 and the embankment 125. The second electrode 140 may be disposed in the transmissive region TA and the non-transmissive region NTA including the light-emitting region EA, but is not limited thereto. The second electrode 140 may be disposed only in the non-transmissive region NTA including the light-emitting region EA, but not in the transmissive region TA, in order to improve transmittance.

[0126] The second electrode 140 may be a common layer disposed in sub-pixels SP1, SP2, SP3, and SP4 to apply the same voltage. The second electrode 140 may include a light-transmitting conductive material. For example, the second electrode 140 may include a low-resistance metallic material, such as Ag or an alloy of Mg and Ag.

[0127] An encapsulation layer 150 may be disposed on the light-emitting diode. The encapsulation layer 150 may also be disposed on the second electrode 140 to overlay the second electrode 140. The encapsulation layer 150 is used to prevent oxygen or moisture from penetrating into the organic light-emitting layer 130 and the second electrode 140. For this purpose, the encapsulation layer 150 may include at least one inorganic layer and at least one organic layer.

[0128] Additionally, although not shown in the figure, a capping layer may be provided between the second electrode 140 and the encapsulation layer 150.

[0129] A color filter CF can be disposed on the encapsulation layer 150. The color filter CF can also be disposed on a surface of the second substrate 112 facing the first substrate 111. In this case, the first substrate 111 with the encapsulation layer 150 and the second substrate 112 with the color filter CF can be bonded to each other via an adhesive layer (not shown). The adhesive layer (not shown) can be an optically transparent resin (OCR) layer or an optically transparent adhesive (OCA) film.

[0130] The color filter CF can be patterned for each sub-pixel SP1, SP2, SP3, and SP4. Specifically, the color filter CF may include a first color filter, a second color filter, and a third color filter. The first color filter may be set to the light-emitting area EA1 corresponding to the first sub-pixel SP1, and may be a red color filter that transmits red light. The second color filter may be set to the light-emitting area EA2 corresponding to the second sub-pixel SP2, and may be a green color filter that transmits green light. The third color filter may be set to the light-emitting area EA3 corresponding to the third sub-pixel SP3, and may be a blue color filter that transmits blue light. In an embodiment, the color filter CF may further include a fourth color filter. The fourth color filter may be set to the light-emitting area EA4 corresponding to the fourth sub-pixel SP4, and may be a white color filter that transmits white light. The white color filter may include a transparent organic material that transmits white light.

[0131] A black matrix (not shown) can be set between color filters CF. A black matrix (not shown) can be set between sub-pixels SP1, SP2, SP3, and SP4 to prevent color mixing between adjacent sub-pixels SP1, SP2, SP3, and SP4.

[0132] Simultaneously, a black matrix (not shown) may be positioned between the color filter CF and the transmission zone TA. The black matrix (not shown) is positioned between the transmission zone TA and multiple sub-pixels SP1, SP2, SP3, and SP4 to prevent light emitted from each of the multiple sub-pixels SP1, SP2, SP3, and SP4 from entering the transmission zone TA.

[0133] A black matrix (not shown) may include a light-absorbing material, such as a black dye that completely absorbs light in the visible wavelength range.

[0134] although Figures 3 to 6 The diagram shows an organic pattern OSL disposed in an area other than the first contact area CA1 and the second contact area CA2, but the invention is not limited thereto. In another embodiment, the organic pattern OSL may be configured to at least partially overlap with the first contact area CA1 and the second contact area CA2, such as... Figure 7 As shown. The organic pattern OSL only needs to adjust the contact size between the conductive organic layer EOL and the first electrode 120 by overlapping with the first contact hole CH1 and the second contact hole CH2, thus it can be set only in the area overlapping with the first contact hole CH1 and the second contact hole CH2.

[0135] exist Figures 3 to 6In this embodiment, the conductive organic layer EOL is shown to be directly disposed on the upper surface of the transistor connection electrode TCE, or may be directly disposed on the upper surface of the source electrode SE or the drain electrode DE, but is not limited thereto. In another embodiment, the conductive organic layer EOL may be separated from the transistor connection electrode TCE of the driving transistor TFT by at least one insulating layer being interposed therebetween, such as... Figure 8 As shown. At least one insulating layer, such as a passivation layer PAS, may be further disposed between the conductive organic layer EOL and the driving transistor TFT. The conductive organic layer EOL may be connected to the transistor connection electrode TCE of the driving transistor TFT or the source SE or drain DE of the driving transistor TFT via a fourth contact hole CH4 through the passivation layer PAS.

[0136] exist Figure 8 In the transparent display panel 110 shown, at least one insulating layer may be disposed between the conductive organic layer EOL and the driving transistor TFT, thereby preventing the driving transistor TFT from being damaged by heat generated in the contact area CA of the segmented electrode where particles appear.

[0137] exist Figures 3 to 6 In this embodiment, the conductive organic layer EOL and the organic pattern OSL are shown as separate elements made of corresponding materials that are different from each other, but are not limited thereto. In another embodiment, the conductive organic layer EOL and the organic pattern OSL may be integrally formed from the same material. In this case, such as Figure 9 As shown, the conductive organic layer EOL may include a flat portion EOL1 disposed on the transistor connection electrode TCE and an uneven pattern portion EOL2 disposed on the flat portion EOL1, which is a non-flat pattern (or a raised pattern).

[0138] exist Figure 9 In the transparent display panel 110 shown, the contact size between the conductive organic layer EOL and the first electrode 120 in each sub-pixel SP1, SP2, SP3 and SP4 can be adjusted based on at least one of the width and spacing distance of the uneven pattern portion EOL2.

[0139] In one embodiment, the uneven pattern portion EOL2 of the conductive organic layer EOL may have different widths for each sub-pixel SP1, SP2, SP3, and SP4. The uneven pattern portion EOL2 may have a width that varies according to the limiting current of the driving transistor of each sub-pixel SP1, SP2, SP3, and SP4.

[0140] When the limiting current of the driving transistor TFTs in sub-pixels SP1, SP2, SP3, and SP4 is low, the uneven pattern portion EOL2 can have a wider width, so that the conductive organic layer EOL can have a smaller contact size with the first electrode 120 in the contact area CA. For example, the driving transistor TFT provided in the third sub-pixel SP3 can have a lower limiting current than the driving transistor TFT provided in the first sub-pixel SP1. In this case, the first electrode 120 provided in the third sub-pixel SP3 can have a smaller contact size with the conductive organic layer EOL compared to the contact size between the first electrode 120 and the conductive organic layer EOL in the first sub-pixel SP1, thereby increasing the contact resistance between the first electrode and the conductive organic layer EOL.

[0141] Therefore, compared to the uneven pattern portion EOL2 that contacts the first electrode 120 in the first sub-pixel SP1, the uneven pattern portion EOL2 that contacts the first electrode 120 in the third sub-pixel SP3 can have a larger width. In this case, the spacing between the uneven pattern portions EOL2 that contact the first electrode 120 in the third sub-pixel SP3 can be equal to the spacing between the uneven pattern portions EOL2 that contact the first electrode 120 in the first sub-pixel SP1.

[0142] As a result, when the contact area CA is the same, the surface size of the conductive organic layer EOL can decrease as the width of the uneven pattern portion EOL2 increases, and the surface size of the conductive organic layer EOL can increase as the width of the uneven pattern portion EOL2 decreases. Therefore, the contact size between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL can be smaller than the contact size between the first electrode 120 in the first sub-pixel SP1 and the conductive organic layer EOL. Even if the driving transistor TFT in the third sub-pixel SP3 has a low limiting current, the contact resistance between the first electrode 120 and the conductive organic layer EOL in the third sub-pixel SP3 can be increased, thereby generating enough heat to melt or sublimate the conductive organic layer EOL and the organic pattern OSL when the first electrode 120 and the second electrode 140 are short-circuited.

[0143] In another embodiment, the spacing of the uneven pattern portions EOL2 of the conductive organic layer EOL can be different for each sub-pixel SP1, SP2, SP3, and SP4. The spacing of the uneven pattern portions EOL2 can be varied according to the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4.

[0144] When the limiting current of the driving transistor TFT in each sub-pixel SP1, SP2, SP3, and SP4 is low, the uneven pattern portion EOL2 can have a larger spacing, thereby allowing the conductive organic layer EOL to have a smaller contact size with the first electrode 120 in the contact area CA. For example, the driving transistor TFT in the third sub-pixel SP3 can have a lower limiting current than the driving transistor TFT in the first sub-pixel SP1. In this case, the contact size between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL is set to be smaller than that between the first electrode 120 in the first sub-pixel SP1 and the conductive organic layer EOL, thereby increasing the contact resistance between the first electrode 120 in the third sub-pixel SP3 and the conductive organic layer EOL.

[0145] Therefore, the uneven pattern portion EOL2 that contacts the first electrode 120 in the third sub-pixel SP3 can have a larger spacing distance than the uneven pattern portion EOL2 that contacts the first electrode 120 in the first sub-pixel SP1. In this case, the width of the uneven pattern portion EOL2 that contacts the first electrode 120 in the third sub-pixel SP3 can be equal to the width of the uneven pattern portion EOL2 that contacts the first electrode 120 in the first sub-pixel SP1.

[0146] As a result, when the contact area CA is the same, the surface size of the conductive organic layer EOL can decrease as the spacing distance of the uneven pattern portions EOL2 increases, and the surface size of the conductive organic layer EOL can increase as the spacing distance of the uneven pattern portions EOL2 decreases. Therefore, the contact size between the first electrode 120 disposed in the third sub-pixel SP3 and the conductive organic layer EOL can be smaller than the contact size between the first electrode 120 disposed in the first sub-pixel SP1 and the conductive organic layer EOL. Even if the driving transistor TFT disposed in the third sub-pixel SP3 has a low limiting current, the contact resistance between the first electrode 120 disposed in the third sub-pixel SP3 and the conductive organic layer EOL can be increased, thereby generating enough heat to melt or sublimate the conductive organic layer EOL and the organic pattern OSL when the first electrode 120 and the second electrode 140 are short-circuited.

[0147] In another embodiment, the width and spacing of the uneven pattern portion EOL2 of the conductive organic layer EOL can be different for each sub-pixel SP1, SP2, SP3, and SP4. The width and spacing of the uneven pattern portion EOL2 of the conductive organic layer EOL can be varied according to the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4. When the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4 is low, the width and spacing of the uneven pattern portion EOL2 of the conductive organic layer EOL can be appropriately designed to reduce the contact size between the conductive organic layer EOL and the first electrode 120 in the contact area CA.

[0148] exist Figure 9 In the transparent display panel 110 shown, the organic pattern OSL can be omitted, thereby simplifying the process by eliminating the process of forming the organic pattern OSL. Furthermore, in Figure 9 In the transparent display panel 110 shown, the organic pattern OSL can be applied to the conductive organic layer EOL, which has a small area, without a separate process. Figure 9 In the transparent display panel 110 shown, the organic pattern OSL is not set on the conductive organic layer EOL due to process errors. This can prevent the contact size between the conductive organic layer EOL and the first electrode 120 from increasing and can prevent the contact resistance between the conductive organic layer EOL and the first electrode 120 from decreasing as designed.

[0149] At the same time, Figures 3 to 6 In this embodiment, the transistor connection electrode TCE of the driving transistor TFT is shown extending to the contact region CA, but is not limited thereto. In another embodiment, the transistor connection electrode TCE of the driving transistor TFT may not be connected to the contact region CA. Figure 10 and 11 The contact areas CA shown overlap. In this case, the transistor connection electrode TCE of the driving transistor TFT can overlap with at least a portion of the conductive organic layer EOL at its end.

[0150] At least a portion of the conductive organic layer EOL may overlap and be electrically connected to the transistor connection electrode TCE of the driving transistor TFT. In this case, the conductive organic layer EOL may be in direct contact with the transistor connection electrode TCE, but is not limited thereto. When at least one insulating layer is disposed between the conductive organic layer EOL and the transistor connection electrode TCE, the conductive organic layer EOL may be electrically connected to the transistor connection electrode TCE via a contact hole passing through at least one insulating layer.

[0151] Furthermore, the conductive organic layer EOL can extend a predetermined length from the region overlapping with the transistor connection electrode TCE in the direction toward the transmissive region TA. The conductive organic layer EOL can at least partially overlap with the first anode connection portion ACE1 and the second anode connection portion ACE2 between the transmissive region TA and the sub-pixels SP1, SP2, SP3, and SP4, so that the conductive organic layer EOL can be connected to the first anode connection portion ACE1 via the first contact hole CH1 and to the second anode connection portion ACE2 via the second contact hole CH2.

[0152] exist Figure 10 and 11 In the transparent display panel 110 shown, the transistor connection electrode TCE of the driving transistor TFT is configured not to overlap with the contact area CA, thereby avoiding transmittance loss due to the transistor connection electrode TCE. Since the transistor connection electrode TCE of the driving transistor TFT is made of a metallic material and therefore has low transmittance, transmittance loss can occur when the transistor connection electrode TCE overlaps with the contact area CA. On the other hand, since the conductive organic layer EOL is made of an organic material and therefore has high transmittance, almost no transmittance loss occurs even if the conductive organic layer EOL is disposed in the contact area CA.

[0153] exist Figures 2 to 11 In the diagram, the segmented electrodes 121 and 122 of the first electrode 120 are shown connected to the driving transistor TFT via an anode connection electrode ACE protruding in the direction toward the transmission region TA, but are not limited thereto.

[0154] In another embodiment, the segmented electrodes 121 and 122 of the first electrode 120 can be connected to the driving transistor TFT via a conductive organic layer EOL disposed between the segmented electrodes 121 and 122 without the need for a separate anode connection electrode ACE. Referring hereafter... Figures 12 to 14 This will be described in detail.

[0155] Figure 12 It is a diagram Figure 1 A view showing another example of the pixels of the transparent display panel; Figure 13 It is a diagram Figure 12 A cross-sectional view of line III-III' (example); Figure 14 The diagram shows the particles appearing Figure 13 A view of one of the multiple segmented electrodes in the example.

[0156] Figures 12 to 14 The transparent display panel 110 shown is Figures 2 to 11The difference in the transparent display panel 110 shown is that the segmented electrodes 121 and 122 of the first electrode 120 are connected to the driving transistor TFT via a conductive organic layer EOL disposed between the segmented electrodes 121 and 122. Repeated descriptions will be omitted below, and the discussion will be based on… Figures 2 to 11 The differences will be described below.

[0157] Reference Figures 12 to 14 The first electrode 120 may include a first segmentation electrode 121 and a second segmentation electrode 122, but does not include the anode connection electrode ACE. The first segmentation electrode 121 may be disposed in the first segmented light-emitting regions EA11, EA21, EA31, and EA41, and the second segmentation electrode 122 may be disposed in the second segmented light-emitting regions EA12, EA22, EA32, and EA42. The first segmentation electrode 121 and the second segmentation electrode 122 may be separated from each other in the same layer.

[0158] A conductive organic layer EOL may be disposed between the first dividing electrode 121 and the second dividing electrode 122. The conductive organic layer EOL may also be disposed between the transmission region TA and the first electrode 120. One end of the conductive organic layer EOL may overlap with at least a portion of the first dividing electrode 121. The conductive organic layer EOL may be electrically connected to the first dividing electrode 121 via a first contact hole CH1 in the region overlapping with the first dividing electrode 121. The other end of the conductive organic layer EOL may overlap with at least a portion of the second dividing electrode 122. The conductive organic layer EOL may be electrically connected to the second dividing electrode 122 via a second contact hole CH2 in the region overlapping with the second dividing electrode 122.

[0159] The conductive organic layer EOL may at least partially overlap with the source SE or drain DE of the driving transistor TFT in the region between the first segmented electrode 121 and the second segmented electrode 122. The conductive organic layer EOL may be electrically connected to the source SE or drain DE via the fourth contact hole CH4 in the region overlapping with the source SE or drain DE.

[0160] A feature of the transparent display panel 110 according to another embodiment of the present invention is that the first electrode 120, composed of a first dividing electrode 121 and a second dividing electrode 122, is connected to the driving transistor TFT via a conductive organic layer EOL. Therefore, in the transparent display panel 110 according to another embodiment of the present invention, even if particles appear in either the first dividing electrode 121 or the second dividing electrode 122, only the area where the corresponding dividing electrode is provided can be definitively turned into a dark spot, while the other dividing electrodes can operate normally.

[0161] In a display panel 110 according to another embodiment of the present invention, particles may be present in either the first dividing electrode 121 or the second dividing electrode 122. In this case, in a transparent display panel 110 according to another embodiment of the present invention, a short circuit may occur between the first dividing electrode 121 and the second electrode 140 in the region where the particles are located. When an aging signal is applied to the light-emitting element during the aging process, the current is concentrated in the region where the short circuit occurs between the first dividing electrode 121 and the second electrode 140, thereby generating significant heat through Joule heating.

[0162] In a transparent display panel 110 according to another embodiment of the present invention, when sufficient heat is generated in the area where the particles are located, the light-emitting layer 130 and the second electrode 140 can be melted, thereby the dividing electrode 121 and the second electrode 140 can be insulated from each other.

[0163] However, if sufficient heat is not generated in the area where the particles are located, the light-emitting layer 130 and the second electrode 140 do not melt, and the segmentation electrode 121 and the second electrode 140 can still be short-circuited. In this case, no light will be emitted in the segmentation electrode 121 where particles are present, or even in the area where other segmentation electrodes 122 are provided.

[0164] In a transparent display panel 110 according to another embodiment of the present invention, the dividing electrode 121 where particles appear and the driving transistor can be disconnected from each other, so that light can be emitted in the area where the dividing electrode 122 where particles do not appear.

[0165] Specifically, in the transparent display panel 110 according to another embodiment of the present invention, such as Figure 13 As shown, the first dividing electrode 121 and the second dividing electrode 122 are not directly connected to the driving transistor TFT, but can be connected to the driving transistor TFT via the conductive organic layer EOL.

[0166] The first contact hole CH1 can expose at least a portion of the conductive organic layer EOL and at least a portion of the organic pattern OSL through the planarization layer PLN. The first segmented electrode 121 may include a first contact region CA1 in contact with at least a portion of the conductive organic layer EOL and at least a portion of the organic pattern OSL exposed by the first contact hole CH1.

[0167] The second contact hole CH2 can expose at least a portion of the conductive organic layer EOL and at least a portion of the organic pattern OSL through the planarization layer PLN. The second segmented electrode 122 may include a second contact region CA2 in contact with at least a portion of the conductive organic layer EOL and at least a portion of the organic pattern OSL exposed by the second contact hole CH2.

[0168] When a particle appears in either the first dividing electrode 121 or the second dividing electrode 122, the current is concentrated on the dividing electrode where the particle appears, thereby causing a large amount of current to flow even in the contact region CA1. For example, when a particle appears in the first dividing electrode 121, the current is concentrated on the first dividing electrode where the particle appears, thereby causing a large amount of current to flow even in the first contact region CA1. As a result, significant heat can be generated in the first contact region CA1 by Joule heating.

[0169] When sufficient heat is generated in the first contact area CA1 of the first segmented electrode 121 where particles appear, the conductive organic layer EOL and the organic pattern OSL disposed in the first contact area CA1 can, as Figure 14 The melting process shown allows for the electrical separation of the first segmenting electrode 121 from the transistor connection electrode TCE. Therefore, the first contact area CA1 can be transformed into a non-contact area NCA where the first segmenting electrode 121 and the conductive organic layer EOL do not contact each other.

[0170] As a result, in the transparent display panel 110 according to another embodiment of the present invention, the granular dividing electrode 121 and the driving transistor TFT can be electrically separated from each other without laser cutting. Therefore, in the transparent display panel 110 according to another embodiment of the present invention, other lines and circuit elements can be prevented from being damaged by laser, and a separate laser cutting process is not required, thereby simplifying the process and shortening the process time.

[0171] Furthermore, in the transparent display panel 110 according to another embodiment of the present invention, since the conductive organic layer EOL only needs to contact the dividing electrodes 121 and 122, other lines and circuit elements can be designed to at least partially overlap with the conductive organic layer EOL. Therefore, in the transparent display panel 110 according to another embodiment of the present invention, the size of the light-emitting region EA or the transmissive region TA is not reduced when the conductive organic layer EOL is provided. That is, in the transparent display panel 110 according to another embodiment of the present invention, the conductive organic layer EOL can be provided without reducing the aperture ratio and transmittance.

[0172] Furthermore, in the transparent display panel 110 according to another embodiment of the present invention, when particles appear, the light-emitting layer 130 and the second electrode 140 in the area where the particles are located can be melted or sublimated by Joule heating, thereby performing initial aging. In the transparent display panel 110 according to another embodiment of the present invention, only the area where particles appear can locally become dark spots. However, even if sufficient heat is not generated in the area where the particles are located, or the dividing electrode and the second electrode 140 are still electrically connected to each other and not insulated from each other, depending on the melting state of the light-emitting layer 130 and the second electrode 140, initial aging can still be performed.

[0173] In this situation, in the transparent display panel 110 according to another embodiment of the present invention, since the current is still concentrated on the dividing electrode where the particles appear, the conductive organic layer EOL and the organic pattern OSL of the contact area CA can melt or sublimate due to Joule heating, thereby performing secondary aging. As a result, in the transparent display panel 110 according to another embodiment of the present invention, only a portion of the sub-pixels where the particles appear can be definitively turned into dark spots, preventing all sub-pixels from becoming dark spots.

[0174] Meanwhile, in a transparent display panel 110 according to another embodiment of the present invention, the contact size between the conductive organic layer EOL and the first electrode 120 can be set to be different for each sub-pixel. In this case, the contact size between the conductive organic layer EOL and the first electrode 120 can be represented as the sum of the sizes of the conductive organic layers EOL in contact with the dividing electrodes 121 and 122 in the contact area CA.

[0175] Specifically, in a transparent display panel 110 according to another embodiment of the present invention, the contact size of the conductive organic layer EOL and the first electrode 120 can be set differently for each sub-pixel, taking into account the magnitude of the current supplied from the driving transistor TFT.

[0176] In a transparent display panel 110 according to another embodiment of the present invention, the contact size between the conductive organic layer EOL and the first electrode 120 can be adjusted, thereby adjusting the contact resistance between the conductive organic layer EOL and the first electrode 120. As a result, in the transparent display panel 110 according to another embodiment of the present invention, the contact resistance between the first electrode 120 and the conductive organic layer EOL can be similar in the first to fourth sub-pixels SP1, SP2, SP3 and SP4.

[0177] Meanwhile, in a transparent display panel 110 according to another embodiment of the present invention, the contact size between the conductive organic layer EOL and the first electrode 120 in each sub-pixel SP1, SP2, SP3 and SP4 can be adjusted according to at least one of the width and spacing distance of the organic pattern OSL in contact with the first electrode 120.

[0178] In one embodiment of the invention, the organic pattern OSL in contact with the first electrode 120 may have different widths for each sub-pixel SP1, SP2, SP3, and SP4. The organic pattern OSL may have a width that varies according to the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4.

[0179] In another embodiment, the spacing of the organic pattern OSL in contact with the first electrode 120 may be different for each sub-pixel SP1, SP2, SP3, and SP4. The spacing of the organic pattern OSL may be varied according to the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4.

[0180] In another embodiment, the width and spacing of the organic pattern OSL in contact with the first electrode 120 may differ for each sub-pixel SP1, SP2, SP3, and SP4. The width and spacing of the organic pattern OSL can be varied according to the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4. When the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3, and SP4 is low, the width and spacing of the organic pattern OSL can be appropriately designed to reduce the contact size between the conductive organic layer EOL in the contact area CA and the first electrode 120.

[0181] In a transparent display panel 110 according to another embodiment of the present invention, the contact size between the first electrode 120 and the conductive organic layer EOL can be adjusted taking into account the limiting current of the driving transistor TFT of each sub-pixel SP1, SP2, SP3 and SP4. Therefore, in the transparent display panel 110 according to another embodiment of the present invention, even if the driving transistor TFT has a low limiting current, the first electrode 120 and the driving transistor TFT can be electrically separated from each other in the contact area CA when particles are present.

[0182] In such Figures 12 to 14 In the transparent display panel 110 shown, the segmented electrodes 121 and 122 of the first electrode 120 can be connected to the driving transistor TFT via a conductive organic layer EOL disposed between the segmented electrodes 121 and 122. Figures 12 to 14 In the transparent display panel 110 shown, since the anode connection electrode ACE, transistor connection electrode TCE, first contact hole CH1, and second contact hole CH2 are not located between the transmissive region TA and the sub-pixels SP1, SP2, SP3, and SP4, the size or transmittance of the transmissive region TA will not decrease due to these components. Therefore, as shown... Figures 12 to 14 The transparent display panel 110 shown is compared to Figures 2 to 11 The transparent display panel 110 shown can improve transmittance.

[0183] According to the present invention, the following beneficial effects can be achieved.

[0184] In this invention, the first electrode of the light-emitting element is configured to be electrically connected to the driving transistor via a conductive organic layer, such that the conductive organic layer can be melted or sublimated when particles are present, thereby electrically separating the first electrode and the driving transistor from each other. When a short circuit occurs between the first and second segmented electrodes and the second electrode, portions of the conductive organic layer and the organic pattern in contact with the short-circuited segmented electrode can be melted or sublimated to electrically separate the short-circuited segmented electrode from the driving transistor. In other words, in this invention, since the segmented electrode with particles and the driving transistor are electrically separated from each other without laser cutting, damage to other lines and circuit elements due to laser is prevented, eliminating the need for a separate laser cutting process, thus simplifying the process and shortening the process time.

[0185] Furthermore, the size of the light-emitting or transmissive region is not reduced when a conductive organic layer is applied.

[0186] Furthermore, in this invention, the second electrode and the light-emitting layer in the region where the particles are located can be melted or sublimated by Joule heating, thereby performing initial aging. Additionally, in the contact area where the dividing electrode and the conductive organic layer are in contact with each other, the conductive organic layer and the organic pattern can be melted or sublimated by Joule heating, thereby performing secondary aging. In this way, in this invention, the size of the light-emitting area that becomes a dark spot after the initial and secondary aging can be reduced, and the area where only particles appear can be definitively turned into a dark spot.

[0187] Furthermore, in this invention, the contact size between the first electrode and the conductive organic layer can be adjusted taking into account the limiting current of the driving transistor for each sub-pixel. Therefore, even if the driving transistor has a low limiting current, the first electrode and the driving transistor can be electrically isolated from each other in the contact area where particles appear.

[0188] The present invention described above is not limited to the embodiments and drawings described above, and various substitutions, modifications, and variations can be made in the present invention without departing from the spirit or scope thereof, as will be apparent to those skilled in the art. Therefore, the scope of the present invention is defined by the appended claims, and all variations or modifications derived from the meaning, scope, and equivalent concepts of the claims are intended to fall within the scope of the present invention.

Claims

1. A transparent display device, comprising: Multiple transmission zones; as well as Multiple sub-pixels are disposed between the plurality of transmission regions. Each of the plurality of sub-pixels includes: It includes a driving transistor with an active layer, gate, source, and drain. A light-emitting element comprising a first electrode, a light-emitting layer, and a second electrode; and A conductive organic layer is disposed between the driving transistor and the first electrode of the light-emitting element to electrically connect the driving transistor and the first electrode. The first electrode includes a first electrode portion and a second electrode portion. The conductive organic layer is electrically connected to the first electrode portion via a first contact hole and to the second electrode portion via a second contact hole. The transparent display device further includes an organic pattern disposed on the conductive organic layer, and The organic pattern comprises a plurality of patterns, and the plurality of patterns are configured to be spaced apart from each other such that at least a portion of the conductive organic layer is exposed.

2. The transparent display device according to claim 1, wherein the conductive organic layer is directly disposed on the upper surface of the source electrode or the drain electrode.

3. The transparent display device according to claim 1, further comprising at least one insulating layer disposed between the conductive organic layer and the driving transistor. The conductive organic layer is electrically connected to the source or drain of the driving transistor via a third contact hole passing through the at least one insulating layer.

4. The transparent display device according to claim 1, wherein the organic pattern at least partially overlaps with the first contact hole and the second contact hole.

5. The transparent display device according to claim 1, wherein the organic pattern has a lower conductivity than the conductive organic layer.

6. The transparent display device according to claim 1, wherein the organic pattern has a line shape or a dot shape.

7. The transparent display device according to claim 1, wherein the plurality of sub-pixels includes a first sub-pixel emitting light of a first color and a second sub-pixel emitting light of a second color. The portion of the organic pattern set in the first sub-pixel has a different width or spacing than the portion of the organic pattern set in the second sub-pixel.

8. The transparent display device according to claim 7, wherein the driving transistor disposed in the first sub-pixel has a lower limiting current than the driving transistor disposed in the second sub-pixel. The contact size between the first electrode disposed in the first sub-pixel and the conductive organic layer is smaller than the contact size between the first electrode disposed in the second sub-pixel and the conductive organic layer.

9. The transparent display device according to claim 1, wherein the conductive organic layer comprises a flat portion and an uneven patterned portion disposed on the flat portion.

10. The transparent display device according to claim 1, wherein the conductive organic layer is disposed between the transmissive region and the first electrode.

11. The transparent display device according to claim 1, further comprising: A transistor connection electrode extends from the source or drain of the driving transistor in a direction toward the transmission region and is at least partially in contact with the conductive organic layer; A first anode connection portion, the first anode connection portion having one end connected to the first electrode portion and the other end connected to the conductive organic layer via the first contact hole; as well as The second anode connection portion has one end connected to the second electrode portion and the other end connected to the conductive organic layer via the second contact hole.

12. The transparent display device according to claim 1, wherein the conductive organic layer is disposed between the first electrode portion and the second electrode portion, one end of the conductive organic layer overlaps with at least a portion of the first electrode portion, and the other end of the conductive organic layer overlaps with at least a portion of the second electrode portion.

13. A transparent display device, comprising: Multiple sub-pixels, Each of the plurality of sub-pixels includes: Drive transistors; A conductive organic layer having a first conductivity and electrically connected to the driving transistor; An organic pattern, wherein the organic pattern is disposed on the conductive organic layer and exposes at least a portion of the conductive organic layer, the organic pattern having a second conductivity lower than the first conductivity; A planarization layer disposed on the conductive organic layer and the organic pattern; A first electrode is disposed on the planarization layer and electrically connected to the conductive organic layer via a contact hole; A light-emitting layer disposed on the first electrode; and The second electrode is disposed on the light-emitting layer, and The contact hole exposes at least a portion of the conductive organic layer and at least a portion of the organic pattern through the planarization layer.

14. The transparent display device according to claim 13, The contact hole includes a first contact hole and a second contact hole. The first electrode includes a first electrode portion and a second electrode portion, and The conductive organic layer is electrically connected to the first electrode portion via the first contact hole and to the second electrode portion via the second contact hole.

15. The transparent display device of claim 14, wherein when a short circuit occurs between one of the first electrode portion and the second electrode portion and the second electrode, portions of the conductive organic layer and the organic pattern that are in contact with the electrode portions of the first electrode portion and the second electrode portion where the short circuit occurs are melted or sublimated to electrically separate the electrode portion where the short circuit occurs from the driving transistor.

16. The transparent display device of claim 14, wherein the size of the conductive organic layer exposed by the first contact hole and the second contact hole is different for each of the plurality of sub-pixels depending on the limiting current of the driving transistor of each of the plurality of sub-pixels.

17. The transparent display device according to claim 13, wherein the organic pattern comprises a plurality of line patterns. At least one of the width and spacing of the plurality of line patterns is different for each of the plurality of sub-pixels depending on the limiting current of the driving transistor of each of the plurality of sub-pixels.

18. The transparent display device according to claim 13, further comprising at least one insulating layer disposed between the conductive organic layer and the driving transistor. The conductive organic layer is electrically connected to the driving transistor via a third contact hole passing through the at least one insulating layer.

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