Display apparatus

Patent metadata

Field	Value
Publication number	US-11276743-B2
Application number	US-202016842473-A
Country	US
Kind code	B2
Filing date	Apr 7, 2020
Priority date	Jun 17, 2019
Publication date	Mar 15, 2022
Grant date	Mar 15, 2022

Abstract

A display apparatus includes: a substrate including a display area in which a plurality of pixel areas is arranged, and a peripheral area adjacent to the display area and in which a pad portion including a plurality of pad electrodes is arranged; a first signal line and a second signal line in the display area on the substrate; a first connecting line electrically connected to the first signal line and connected to the pad portion, at least a portion of the first connecting line being in the display area; and a dummy line on a same layer as the first connecting line.

First claim

What is claimed is:

1. A display apparatus, comprising:
a substrate comprising a display area in which a plurality of pixel areas is arranged, and a peripheral area adjacent to the display area and in which a pad portion comprising a plurality of pad electrodes is arranged;
a first signal line and a second signal line in the display area on the substrate;
a first connecting line electrically connected to the first signal line and connected to the pad portion, wherein at least a portion of the first connecting line is in the display area; and
a dummy line on a same layer as the first connecting line,
wherein the first connecting line comprises a horizontal line portion extending in a first direction and a vertical line portion extending in a second direction perpendicular to the first direction,
wherein the dummy line comprises a horizontal dummy line extending in the first direction and a vertical dummy line extending in the second direction,
wherein the plurality of pixel areas comprises:
a first pixel area overlapping the second signal line;
a second pixel area overlapping the horizontal line portion of the first connecting line; and
a third pixel area overlapping the vertical line portion of the first connecting line, and
wherein at least one of the first connecting line and the dummy line has at least one disconnection portion in a pixel area of the first to third pixel areas.

2. The display apparatus of claim 1 , wherein the dummy line and the first connecting line together form a matrix lattice with respect to the plurality of pixel areas, and the dummy line and the first connecting line comprise at least one disconnected portion formed therein.

3. The display apparatus of claim 1 , wherein vertical branches are extended from the horizontal line portion in the second direction.

4. The display apparatus of claim 1 ,
wherein the second pixel area and the third pixel area are closer to an edge of the display area than the first pixel area.

5. The display apparatus of claim 4 , wherein
the horizontal dummy line and the vertical dummy line overlap the first pixel area, and
the vertical dummy line in the first pixel area has a disconnection portion of the at least one disconnection portion.

6. The display apparatus of claim 4 , wherein the display area is arranged in a rectangular shape along the first and second directions, and four corners of the display area have a chamfered or rounded shape, and
the peripheral area extends in the first direction adjacent to the display area in the second direction, the pad portion extends in the first direction, and the pad electrodes are arranged in the first direction.

7. The display apparatus of claim 6 , wherein the display area further comprises a side display area which is extended from at least one edge of the display area and bent.

8. The display apparatus of claim 1 , further comprising:
a thin film transistor layer on the substrate;
a first conductive pattern on the thin film transistor layer;
a first via insulating layer on the first conductive pattern; and
a second conductive pattern on the first via insulating layer,
wherein the first conductive pattern comprises the first and second signal lines, and
the second conductive pattern comprises the first connecting line and the dummy line.

9. The display apparatus of claim 8 , further comprising a pixel defining layer over the first connecting line and the dummy line, the pixel defining layer defining an opening corresponding to each of the plurality of pixel areas which is an emitting area, and
patterns of circuit wirings under the opening of a first pixel area of the plurality of pixel areas, the opening of a second pixel area of the plurality of pixel areas, and the opening of a third pixel area of the plurality of pixel areas are the same.

10. The display apparatus of claim 9 , wherein the first pixel area, the second pixel area, and the third pixel area each emit light having a same color.

11. The display apparatus of claim 9 , wherein each of the plurality of pixel areas comprises any of a red pixel emitting red light, a green pixel emitting green light, and a blue pixel emitting blue light, and
red or blue light is emitted in the first pixel area, the second pixel area, and the third pixel area.

12. The display apparatus of claim 8 , further comprising:
a pixel defining layer over the first connecting line and the dummy line, the pixel defining layer defining an opening corresponding to each of the plurality of pixel areas which is an emitting area, and
the pixel defining layer comprises a black pigment or a black dye.

13. The display apparatus of claim 8 , further comprising:
a planarization insulating layer on the second conductive pattern;
a third conductive pattern on the planarization insulating layer and comprising a first electrode comprising a reflective material;
a light emitting layer on the first electrode; and
a second electrode on the light emitting layer.

14. The display apparatus of claim 13 , wherein at least one of the first connecting line and the dummy line comprises vertical branches and adjacent vertical branches adjacent to the vertical branches and extending in a same direction as an extending direction of the vertical branches, wherein the vertical branches and the adjacent vertical branches form a disconnection portion of the at least one disconnection portion, and
the third conductive pattern further comprises a cover electrode overlapping the disconnection portion.

15. A display apparatus, comprising:
a substrate comprising a display area in which a plurality of pixel areas is arranged, and a peripheral area adjacent to the display area and in which a pad portion comprising a plurality of pad electrodes is arranged;
a first signal line and a second signal line in the display area on the substrate;
a first connecting line electrically connected to the first signal line and connected to the pad portion, wherein at least a portion of the first connecting line is in the display area; and
a dummy line on a same layer as the first connecting line;
a thin film transistor layer on the substrate;
a first conductive pattern on the thin film transistor layer;
a first via insulating layer on the first conductive pattern;
a second conductive pattern on the first via insulating layer;
a second via insulating layer on the second conductive pattern;
a light emitting structure on the second via insulating layer;
a thin film encapsulation layer on the light emitting structure; and
a touch line on the thin film encapsulation layer,
wherein the first conductive pattern comprises the first and second signal lines,
the second conductive pattern comprises the first connecting line and the dummy line,
at least one of the first connecting line and the dummy line comprises vertical branches and adjacent vertical branches adjacent to the vertical branches and extending in a same direction as an extending direction of the vertical branches, wherein the vertical branches and the adjacent vertical branches form at least one disconnection portion, and
the touch line overlaps the at least one disconnection portion.

16. The display apparatus of claim 15 , wherein the touch line comprises a plurality of lines that cross each other, and an intersection where the lines cross overlaps the at least one disconnection portion.

17. A display apparatus, comprising:
a substrate;
a thin film transistor layer on the substrate;
a first conductive pattern on the thin film transistor layer and comprising a first data l

Assignees

• Samsung Display Co Ltd

Inventors

• Cho Seung-Hwan
• Choi Jong Hyun
• Park Gyung Soon
• Park Juchan
• Song Seungmin
• Yi Minseong

Classifications

• H10K59/88

  Dummy elements, i.e. elements having non-functional features · CPC title

• H10K59/131

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

• H10D86/441 Primary

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• G02F1/1345

  Conductors connecting electrodes to cell terminals · CPC title