CN-122003979-A - Display device

Abstract

An embodiment of the present invention provides a display device including a substrate including a display region and a non-display region surrounding the display region, a peripheral island portion disposed in the non-display region, the peripheral island portion including a driver island portion and a wiring island portion disposed to be spaced apart from each other, a peripheral bridge portion disposed in the non-display region to connect the driver island portion and the wiring island portion, a gate driving circuit disposed in the driver island portion, the gate driving circuit including a plurality of stages, a plurality of input lines disposed in the wiring island portion, and a plurality of output wirings connected to the gate driving circuit to extend toward the display region. The number of the plurality of output wirings provided on the peripheral bridge portion gradually increases as the plurality of output wirings approach the display region.

Inventors

• LI XIANHUA
• JIN HENGXI
• Pu Xibao
• Tian Wujing

Assignees

• 三星显示有限公司

Dates

Publication Date

20260508

Application Date

20241008

Priority Date

20231011

Claims (20)

1. 1. A display device, the display device comprising: a substrate including a display region and a non-display region surrounding the display region; a peripheral island part located in the non-display region and including a driver island part and a wiring island part spaced apart from each other; A peripheral bridge portion located in the non-display region and connecting the driver island portion to the wiring island portion; a gate driving circuit located in the driver island and including a plurality of stages; A plurality of input lines in the wiring island portion, and A plurality of output wirings connected to the gate driving circuit and extending toward the display region, Wherein the number of output wirings located in the peripheral bridge portion among the plurality of output wirings gradually increases as the output wirings among the plurality of output wirings approach the display region.
2. 2. The display device according to claim 1, wherein a width of each of the output wirings among the plurality of output wirings gradually decreases as the output wiring among the plurality of output wirings approaches the display region.
3. 3. The display device according to claim 2, wherein a width of the peripheral bridge portion in the non-display region is constant, Wherein the output wirings of the plurality of output wirings are spaced apart from each other and each have a maximum width in the peripheral bridge portion.
4. 4. The display device according to claim 1, wherein the driver island portions and the wiring island portions are alternately arranged along the same row extending in a specific direction.
5. 5. The display device according to claim 4, wherein the output wiring in the peripheral bridge portion includes output wiring electrically connected to a stage in the driver island portion located in the same row as the peripheral bridge portion but located farther from the display region than the peripheral bridge portion, of the plurality of stages.
6. 6. The display device according to claim 4, wherein the gate driving circuit includes first to nth gate driving circuits sequentially arranged along the direction, and n is a natural number of 2 or more, Wherein the first gate driving circuit is an outermost gate driving circuit among the first gate driving circuit to the nth gate driving circuit, and The nth gate driving circuit is positioned closer to the display region than the n-1 th gate driving circuit.
7. 7. The display device according to claim 6, wherein, The driver island includes a first driver island in which the first gate driving circuit is positioned to an nth driver island in which the nth gate driving circuit is positioned, and The peripheral bridge portion includes a first peripheral bridge portion connected to the first driver island portion to an nth peripheral bridge portion connected to the nth driver island portion, Wherein the first driver island, the first peripheral bridge, the nth driver island, and the nth peripheral bridge are arranged along the same row.
8. 8. The display device according to claim 7, wherein in the first peripheral bridge portion, the same number of output wirings as the total number of stages of the plurality of stages positioned in the first driver island portion are positioned.
9. 9. The display device according to claim 7, wherein in the n-th peripheral bridge portion, the same number of output wirings as the total number of stages positioned in the first to n-th driver island portions among the plurality of stages are positioned.
10. 10. The display device according to claim 7, wherein a width of an output wiring located in the n-th peripheral bridge portion among the plurality of output wirings is smaller than a width of an output wiring located in the n-1-th peripheral bridge portion among the plurality of output wirings.
11. 11. The display device according to claim 7, wherein in the nth driver island portion, a pre-output wiring of the plurality of output wirings is positioned, the pre-output wiring being connected to a stage of the plurality of stages located in the first to n-1 th driver island portions.
12. 12. The display device according to claim 11, wherein in the n-th peripheral bridge portion, the pre-output wiring and an output wiring connected to a stage located in the n-th driver island portion among the plurality of output wirings are located.
13. 13. The display device according to claim 11, wherein the pre-output wiring in the nth driver island portion extends at a periphery of a stage in the nth driver island portion among the plurality of stages.
14. 14. The display device of claim 13, wherein, The output wiring connected to the stage located in the nth driver island is located at the center of the nth peripheral bridge portion, and The pre-output wiring is located outside the n-th peripheral bridge portion.
15. 15. The display device of claim 11, wherein the pre-output wiring in the nth driver island extends to pass through a space defined by stages of the plurality of stages that are in the nth driver island and are spaced apart from each other.
16. 16. The display device of claim 15, wherein, The output wiring connected to the stage located in the nth driver island is located outside the nth peripheral bridge portion, and The pre-output wiring is located at a center of the nth peripheral bridge portion.
17. 17. The display device according to claim 1, wherein the gate driving circuit includes at least one of an emission control driving circuit, a bypass driving circuit, an initialization driving circuit, and a data writing driving circuit.
18. 18. The display device according to claim 17, wherein the plurality of output wirings include at least one of an emission control output wiring configured to transmit an output signal of the emission control driving circuit, a bypass output wiring configured to transmit an output signal of the bypass driving circuit, an initialization output wiring configured to transmit an output signal of the initialization driving circuit, and a data write output wiring configured to transmit an output signal of the data write driving circuit.
19. 19. The display device according to claim 18, wherein in the gate driving circuit, the emission control driving circuit, the bypass driving circuit, the initialization driving circuit, and the data writing driving circuit are sequentially arranged in the stated order from an outside of the display device toward the display region.
20. 20. The display device according to claim 18, wherein the peripheral bridge portion is provided as a plurality of peripheral bridge portions, and the emission control output wiring is positioned in a peripheral bridge portion which extends toward the display region among the plurality of peripheral bridge portions and is connected to a driver island portion in which the emission control driving circuit is positioned.

Description

Display device Technical Field One or more embodiments relate to a structure of a display device, and more particularly, to a flexible display device or a stretchable display device. Background As display devices that visually display electric signals have been developed, various display devices having excellent characteristics such as thin design, light weight, and low power consumption have been introduced. For example, flexible display devices have been introduced that can be folded or rolled. Recently, research and development on stretchable display devices that can be changed to various shapes have been actively conducted. Disclosure of Invention Technical problem One or more embodiments include a display device that can be stretched while minimizing the load of the output wiring. However, the embodiments are examples and do not limit the scope of the disclosure. Technical proposal According to one or more embodiments, a display device includes a substrate including a display region and a non-display region surrounding the display region, a peripheral island portion located in the non-display region and including a driver island portion and a wiring island portion spaced apart from each other, a peripheral bridge portion located in the non-display region and connecting the driver island portion to the wiring island portion, a gate driving circuit located in the driver island portion and including a plurality of stages, a plurality of first input lines located in the wiring island portion, and a plurality of output wirings connected to the gate driving circuit and extending toward the display region, wherein the number of output wirings located in the peripheral bridge portion among the plurality of output wirings gradually increases as the output wirings of the plurality of output wirings approach the display region. The width of each of the output wirings among the plurality of output wirings may gradually decrease as the output wiring among the plurality of output wirings approaches the display region. The width of the peripheral bridge portion in the non-display region may be constant, and the output wirings of the plurality of output wirings may be spaced apart from each other and may each have a maximum width in the peripheral bridge portion. The driver island portions and the wiring island portions may be alternately arranged along the same row in the first direction. The output wirings located in the peripheral bridge portion may include output wirings electrically connected to a stage of the plurality of stages located in a driver island portion located in the same row as the peripheral bridge portion but located farther from the display region than the peripheral bridge portion. The gate driving circuit may include first to nth gate driving circuits sequentially arranged along the first direction (where n is a natural number of 2 or more), and the first gate driving circuit is an outermost gate driving circuit among the first to nth gate driving circuits, and the nth gate driving circuit may be positioned closer to the display region than the n-1 th gate driving circuit. The driver island part may include a first driver island part in which the first gate driving circuit is positioned to an n-th driver island part in which the n-th gate driving circuit is positioned, and the peripheral bridge part includes a first peripheral bridge part connected to the first driver island part to an n-th peripheral bridge part connected to the n-th driver island part, and the first driver island part, the first peripheral bridge part, the n-th driver island part, and the n-th peripheral bridge part may be arranged along the same row. In the first peripheral bridge section, the same number of output wirings as the number of stages positioned in the first driver island section among the plurality of stages may be positioned in the plurality of output wirings. In the n-th peripheral bridge portion, the same number of output wirings as the number of stages positioned in the first to n-th driver islands among the plurality of stages may be positioned. The width of the output wiring located in the n-th peripheral bridge portion among the plurality of output wirings may be smaller than the width of the output wiring located in the n-1-th peripheral bridge portion among the plurality of output wirings. In the n-th driver island, a pre-output wiring of the plurality of output wirings may be positioned, the pre-output wiring being connected to a stage located in the first to n-1-th driver islands of the plurality of stages. In the n-th peripheral bridge portion, a pre-output wiring and an output wiring connected to a stage located in the n-th driver island portion among a plurality of output wirings may be positioned. The pre-output wiring in the n-th driver island may extend at a periphery of a stage in the n-th driver island among the plurality of stages. The output wiring connected to the stage located in the nth dr