Display device and electronic device comprising display device

Patent metadata

Field	Value
Publication number	US-2025386642-A1
Application number	US-202418986409-A
Country	US
Kind code	A1
Filing date	Dec 18, 2024
Priority date	Jun 17, 2024
Publication date	Dec 18, 2025
Grant date	—

Abstract

A display device and an electronic device comprising the display device are provided. The display device includes a base layer including an active area and a peripheral area, the peripheral area around at least a portion of the active area and including a crack dam area, a light emitting element on the base layer in the active area, a crack dam on the base layer in the crack dam area and including a crack dam insulating layer, and a crack sensing line in the crack dam area.

First claim

What is claimed is:

1 . A display device comprising:
a base layer having an active area and a peripheral area, the peripheral area around at least a portion of the active area and having a crack dam area; a light emitting element on the base layer in the active area; a crack dam on the base layer in the crack dam area, and including a crack dam insulating layer; and a crack sensing line in the crack dam area.

2 . The display device as claimed in claim 1 , wherein the crack sensing line comprises a plurality of crack sensing lines spaced from each other in a direction from the active area to an outer portion of the display device.

3 . The display device as claimed in claim 2 , further comprising:
connection portions electrically connected to the light emitting element; and a chip-on-film electrically connected to the connection portions, wherein the active area comprises a first side and second sides that are sides other than the first side, the connection portions are on the first side and are not on the second sides, and the crack sensing line is on the first side and the second sides.

4 . The display device as claimed in claim 3 , wherein the crack sensing line is electrically connected to at least one of the connection portions.

5 . The display device as claimed in claim 3 , wherein the crack dam is on the first side and the second sides.

6 . The display device as claimed in claim 1 , wherein the crack sensing line is integral with the crack dam and on the crack dam insulating layer.

7 . The display device as claimed in claim 1 , further comprising at least one conductive layer in the active area and at least one insulating layer in the active area,
wherein the crack sensing line comprises the same material as the at least one conductive layer, and the crack dam insulating layer comprises the same material as the at least one insulating layer.

8 . The display device as claimed in claim 1 , further comprising:
a lower conductive layer on the base layer in the active area; an active layer overlapping the lower conductive layer in the active area; a gate conductive layer overlapping the active layer in the active area; and a transistor electrode layer electrically connected to the active layer, wherein the crack sensing line comprises the same material as the gate conductive layer.

9 . The display device as claimed in claim 1 , further comprising:
a lower conductive layer on the base layer in the active area; an active layer overlapping the lower conductive layer in the active area; a gate conductive layer overlapping the active layer in the active area; and a transistor electrode layer electrically connected to the active layer, wherein the crack sensing line comprises the same material as the lower conductive layer.

10 . The display device as claimed in claim 7 , wherein the crack sensing line comprises a first crack sensing line, a second crack sensing line, and a third crack sensing line spaced from each other.

11 . The display device as claimed in claim 10 , wherein the crack sensing line comprises a conductive line in the peripheral area, and
the conductive line is bent at a plurality of positions to form the first crack sensing line, the second crack sensing line, and the third crack sensing line without being disconnected.

12 . The display device as claimed in claim 11 , wherein the peripheral area comprises a first area and a second area, and
the crack sensing line comprises a plurality of lines in the first area and comprises a single line in the second area.

13 . The display device as claimed in claim 12 , wherein the single line in the second area is continuously connected to one of the plurality of lines in the first area.

14 . A display device comprising:
a base layer having an active area, a peripheral area, the peripheral area around at least a portion of the active area and having a dam area; a crack dam on the base layer in the peripheral area, and comprising a crack dam insulating layer; a dam structure between the crack dam and the active area, in the dam area, and including a dam insulating layer; and a crack sensing line in the dam area.

15 . The display device as claimed in claim 14 , wherein the crack sensing line is integral with the dam structure.

16 . The display device as claimed in claim 15 , wherein the crack sensing line is on the dam insulating layer.

17 . The display device as claimed in claim 14 , wherein the dam structure comprises a first dam structure and a second dam structure spaced from each other, and
the crack sensing line is in the first dam structure and is not in the second dam structure.

18 . The display device as claimed in claim 14 , wherein the dam structure comprises a first dam structure and a second dam structure spaced from each other, and
the crack sensing line is in each of the first dam structure and the second dam structure.

19 . The display device as claimed in claim 14 , wherein the dam structure comprises a first dam structure and a second dam structure spaced from each other, and
the crack sensing line is in the second dam structure and is not in the first dam structure.

20 . A display device comprising:
a base layer having an active area and a peripheral area, the peripheral area around at least a portion of the active area; a light emitting element on the base layer in the active area; a connection portion on the base layer in the peripheral area, at a side of the peripheral area, and electrically connected to the light emitting element; a chip-on-film having at least a portion electrically connected to the connection portion; a crack dam on the base layer in the peripheral area and comprising a crack dam insulating layer; and a crack sensing line in the peripheral area and comprising a plurality of crack sensing lines.

21 . An electronic device, comprising:
a processor configured to provide input image data; a display device configured to display an image based on the input image data, the display device including sub-pixel areas; and a power supply configured to supply power to the display device, wherein the display device comprises: a base layer having an active area and a peripheral area, the peripheral area around at least a portion of the active area and having a crack dam area; a light emitting element on the base layer in the active area; a crack dam on the base layer in the crack dam area, and including a crack dam insulating layer; and a crack sensing line in the crack dam area.

Assignees

• Samsung Display Co Ltd

Inventors

• Ahn Seong Sik
• Kang Sun Ho
• Park Kyeong Min
• Lee Eun Ju

Classifications

• H10K59/131 Primary

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

• H10H29/49

  Interconnections, e.g. wiring lines or terminals (connection of the pixel electrodes to the driving transistors H10H29/39) · CPC title

• H10H29/8506 Primary

  Containers · CPC title