Transparent display device

Patent metadata

Field	Value
Publication number	US-2025063891-A1
Application number	US-202418939419-A
Country	US
Kind code	A1
Filing date	Nov 6, 2024
Priority date	Dec 17, 2020
Publication date	Feb 20, 2025
Grant date	—

Abstract

A transparent display device may prevent deterioration of light transmittance, which is caused by a repair line, from occurring. The transparent display device comprises a substrate provided with transmissive areas, a non-transmissive area disposed between the transmissive areas, and a plurality of subpixels disposed in the non-transmissive area, a first electrode provided in each of the plurality of subpixels, a driving transistor connected with the first electrode of each of the plurality of subpixels, including an active layer, a gate electrode, a source electrode and a drain electrode, a capacitor connected to the driving transistor of each of the plurality of subpixels, including a first capacitor electrode and a second capacitor electrode, and an anode line extended from the first electrode of each of the plurality of subpixels to at least partially overlap a driving transistor or a capacitor of an adjacent subpixel of the same color.

First claim

1 . A device comprising:
a substrate having thereon transmissive areas, a non-transmissive area disposed between the transmissive areas; a plurality of pixels disposed in the non-transmissive area, the plurality of pixels including a first pixel and a second pixel adjacent to the first pixel, the first pixel including a first subpixel configured to emit a first light and a second subpixel configured to emit a second light, the second pixel including a third subpixel configured to emit the first light; a first electrode provided in each of the plurality of pixels, the first electrode on a first layer; a conductive line on the first layer; and a welding point included in the conductive line, wherein the conductive line extends from the first subpixel in the first pixel to the third subpixel in the second pixel.

2 . The device according to claim 1 , wherein the plurality of pixels overlaps the non-transmissive area.

3 . The device according to claim 1 , wherein the conductive line at least partially overlaps at least one transmissive area.

4 . The device according to claim 3 , wherein the welding point is in the at least one transmissive area.

5 . The device according to claim 1 , further comprising:
a first driving transistor coupled to the first subpixel; a first capacitor coupled to the first driving transistor, the first capacitor having a first electrode plate and a second electrode plate; a second driving transistor coupled to the third subpixel; and a second capacitor coupled to the second driving transistor, the second capacitor having a third electrode plate and a fourth electrode plate; wherein a first portion of the conductive line overlaps the first electrode plate and the second electrode plate of the first capacitor in the first subpixel.

6 . The transparent display device of claim 5 , wherein the first portion of the conductive line is extended from the first electrode of the first subpixel.

7 . The device according to claim 5 , wherein a second portion of the conductive line including the welding point at least partially overlaps at least one of the third electrode plate and the fourth electrode plate of the second capacitor in the third subpixel.

8 . The device according to claim 7 , wherein the welding point is configured to electrically connect to at least one of the third electrode plate and the fourth electrode plate of the second capacitor in the third subpixel.

9 . The device according to claim 7 , wherein the welding point is electrically connected to at least one of the third electrode plate and the fourth electrode plate of the second capacitor in the third subpixel when a laser is irradiated.

10 . The transparent display device of claim 1 , wherein the conductive line is shorter than a spaced distance between the first subpixel in the first pixel and the third subpixel in the second pixel.

11 . The transparent display device of claim 1 , further comprising:
a first signal line extended in the first direction between the transmissive areas; a second signal line extended in the second direction between the transmissive areas; a first driving transistor coupled to the first subpixel; and a first capacitor coupled to the first driving transistor, the first capacitor having a first capacitor pattern portion and a second capacitor pattern portion, wherein the first capacitor pattern portion is longitudinally provided in the first direction between the first signal line and one transmissive area of the transmissive areas, and wherein the second capacitor pattern portion is extended from one end of the first capacitor pattern portion and longitudinally provided in the second direction between the second signal line and the transmissive area.

12 . The transparent display device of claim 1 , wherein the conductive line has a first portion of and a second portion in a straight line.

13 . The transparent display device of claim 1 , wherein one transmissive area of the transmissive areas has a rectangular shape including four sides, and the conductive line is disposed over at least two of the four sides of the transmissive area.

14 . The transparent display device of claim 13 , wherein the conductive line is disposed over each of the four sides of the transmissive area one by one.

15 . The transparent display device of claim 1 , wherein the non-transmissive area includes a first non-transmissive area extended in a first direction and a second non-transmissive area extended in a second direction between the transmissive areas, and
wherein the first subpixel in the first pixel and the third subpixel in the second pixel are disposed to face each other in the first direction with one transmissive area interposed therebetween.

Assignees

• Lg Display Co Ltd

Inventors

• Park Jaehee

Classifications

• H10K71/861

  Repairing · CPC title

• H10K59/1216

  the pixel elements being capacitors · CPC title

• H10K59/353

  characterised by the geometrical arrangement of the RGB subpixels · CPC title

• H10K59/131 Primary

  Interconnections, e.g. wiring lines or terminals · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title