Display device
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- LG DISPLAY CO LTD
- Filing Date
- 2025-10-27
- Publication Date
- 2026-06-24
AI Technical Summary
【0013】 本明細書は、非表示領域に有機層遮蔽部を備えることにより、透湿を減少させるか又は防止することができる。
Smart Images

Figure 2026103823000001_ABST
Abstract
Claims
1. A substrate including a display area in which multiple pixels, each having multiple subpixels, are arranged, and a non-display area arranged around the display area, A cathode electrode is provided on the substrate and in part of the display area and the non-display area, An organic layer disposed beneath the cathode electrode in part of the display area and the non-display area, The organic layer shielding portion provided in the non-display region, The low-reflectivity structure is provided between the cathode electrode and the substrate in the non-reflective region and superimposed on at least a portion of the organic layer shielding portion, A display device in which the organic layer is not placed in the organic layer shielding portion, but is placed in a part of the non-display area.
2. The non-display area includes a gate drive unit which includes a gate drive area and a wiring area separated from the gate drive area. The display device according to claim 1, wherein the low-reflection structure is disposed between the gate drive region and the wiring region.
3. The display device according to claim 2, further comprising gate wiring arranged in the gate drive region and not overlapping with the low-reflection structure.
4. The display device according to claim 1, wherein the low-reflection structure is in direct contact with the surface of the substrate.
5. The display device according to claim 1, wherein the width of the low-reflection structure is smaller than the width of the organic layer shielding portion.
6. The display device according to claim 1, wherein the low-reflectivity structure includes a metallic material with low reflectivity.
7. The display device according to claim 6, wherein the metallic substance with low reflectivity is at least one of copper (Cu), molybdenum titanium (MoTi), and tungsten oxide (WOx).
8. The display device according to claim 1, wherein the width of the low-reflection structure is wider than the width of the organic layer shielding portion.
9. The aforementioned wiring area is A first wiring arrangement adjacent to the aforementioned low-reflection structure, The first wiring and the second wiring, which is arranged at a distance from the low-reflection structure, There are no other wires between the low-reflection structure and the first wiring. The first wiring is positioned between the low-reflection structure and the second wiring. The display device according to claim 2, wherein the low-reflection structure is connected to the first wiring.
10. The display device according to claim 9, wherein the width of the first wiring is smaller than the width of the second wiring.
11. The aforementioned organic layer shielding portion is A buffer layer disposed between the cathode electrode and the substrate, The buffer layer and the cathode electrode are disposed between them, The display device according to claim 8, wherein the low-reflection structure is disposed between the buffer layer and the interlayer insulating layer.
12. The wiring region includes a first wiring arranged adjacent to the low-reflection structure, There are no other wires between the first wiring and the low-reflection structure. The display device according to claim 11, wherein the low-reflection structure is in contact with the first wiring through a contact hole disposed in the buffer layer.
13. The aforementioned low-reflectance structure is At least one first low-reflectance member disposed on the upper surface of the substrate, The display device according to claim 1, comprising a second low-reflection member disposed in a different layer from the at least one first low-reflection member and partially overlapping the at least one first low-reflection member.
14. The aforementioned at least one first low-reflectance member includes a metallic material, The display apparatus according to claim 13, wherein the second low-reflection member contains an organic substance.
15. The at least one first low-reflectance member includes a plurality of first low-reflectance members, The display device according to claim 13, wherein the second low-reflection member is arranged on the plurality of first low-reflection members.
16. The at least one of the first low-reflectance members includes one of the following: a stripe shape, a mesh shape, or a square ring shape. The display device according to claim 13, wherein the second low-reflectivity member has either a stripe shape or a rectangular shape.
17. The display device according to claim 2, wherein the low-reflection structure includes an organic material.
18. The gate drive region includes a first planarization layer disposed between the first portion of the substrate and the first portion of the cathode electrode disposed in the gate drive region. The wiring region includes a second planarization layer disposed between the second portion of the substrate and the second portion of the cathode electrode disposed in the wiring region. The display device according to claim 17, wherein the low-reflection structure is separated from the first planarization layer located in the gate drive region and the second planarization layer located in the wiring region.
19. The aforementioned hidden area is, A side non-display area including a gate drive unit arranged along the first side of the display area, It includes a bottom non-display area connected to the side non-display area, The lower non-display area includes a pixel power shorting bar and a common power shorting bar arranged along the second side of the display area. The aforementioned organic layer shielding portion is A first organic layer shielding portion is disposed between the gate drive region and the wiring region of the gate drive unit in the side non-display region, The display device according to claim 1, further comprising a second organic layer shielding portion disposed between the pixel power short-circuit bar and the common power short-circuit bar in the lower non-display area.
20. The display device according to claim 19, wherein the width of the second organic layer shielding portion is wider than the width of the first organic layer shielding portion.
21. A substrate including a display area and a non-display area arranged around the display area, A gate drive circuit is arranged in the first portion of the non-display area, Signal wiring arranged in a second portion of the non-display area separated from the first portion of the non-display area, An organic light-emitting layer disposed in the display area and the non-display area, The system includes a cathode electrode disposed on an organic light-emitting layer located in the display area and a portion of the non-display area, A display device wherein the organic light-emitting layer is arranged on the gate drive circuit in the first portion of the non-display area, is not arranged on the third portion of the non-display area which is located between the first and second portions of the non-display area, and is arranged on the signal wiring which is located in the second portion of the non-display area.
22. The display apparatus according to claim 21, further comprising a low-reflection structure disposed between the cathode electrode and the substrate in the third portion of the non-display area.
23. The display device according to claim 22, wherein the low-reflection structure comprises a metal or an organic material.
24. The display device according to claim 22, wherein the low-reflection structure is in direct contact with the substrate.
25. The display device according to claim 22, wherein the low-reflection structure is arranged in the same layer as the signal wiring.
26. The gate line is connected to a gate drive circuit in the first portion of the non-display region and further extends to the display region along a first direction through the third portion of the non-display region and the second portion of the non-display region, The gate line does not overlap with the low-reflection structure. The display device according to claim 22, wherein the signal wiring extends in a second direction different from the first direction.
27. The display device according to claim 22, wherein the width of the low-reflection structure is smaller than the width of the third portion of the non-reflective area.
28. The display device according to claim 22, wherein the width of the low-reflection structure is wider than the width of the third portion of the non-display area.
29. The signal wiring includes a first wiring and a second wiring, The first wiring is positioned between the low-reflection structure and the second wiring. The display device according to claim 22, wherein the width of the second wiring is wider than the width of the first wiring.
30. The first wiring includes a portion extending from the side of the first wiring, The display device according to claim 28, wherein the low-reflection structure is in direct contact with the extending portion.
31. A buffer layer is located in the third portion of the non-display area, The present invention further includes an interlayer insulating layer superimposed on the buffer layer, which is located in the third portion of the non-display area, The display device according to claim 22, wherein the low-reflection structure is disposed between the buffer layer and the interlayer insulating layer in the third portion of the non-display area.
32. The aforementioned low-reflectance structure is The substrate comprises at least one first low-reflection member, It includes a second low-reflectivity member superimposed on at least one first low-reflectivity member, The aforementioned at least one first low-reflectance member includes a metallic material, The display apparatus according to claim 22, wherein the second low-reflection member contains an organic substance.