CN-122003045-A - Display device and electronic device including the same

Abstract

The application relates to a display device and an electronic device including the same, the display device including a substrate in which a display region including a first region and a second region and a non-display region surrounding one side of the display region are defined, a sub-pixel in the display region, a dummy pixel in the non-display region, and a repair line provided to the display region and the non-display region. The repair line includes a first repair line and a second repair line disposed between the first pixel row and the second pixel row in the first region. The dummy pixels include first and second dummy pixels arranged in each of the first and second pixel rows. Each of the first dummy pixel and the second dummy pixel includes a dummy pixel circuit and a first capacitor. The first capacitor of each of the first and second dummy pixels is between the dummy pixel circuit of the first dummy pixel and the dummy pixel circuit of the second dummy pixel.

Inventors

• CUI ZHONGXUAN

Assignees

• 三星显示有限公司

Dates

Publication Date

20260508

Application Date

20251029

Priority Date

20241107

Claims (20)

1. 1. A display device, comprising: A substrate in which a display region including a first region and a second region and a non-display region surrounding one side of the display region are defined; a subpixel disposed in the display region; a dummy pixel disposed in the non-display region, the dummy pixel including: a first dummy pixel and a second dummy pixel, each of the first dummy pixel and the second dummy pixel comprising: Dummy pixel circuit, and A first capacitor electrically connected to the dummy pixel circuit, and A repair line commonly provided to the display region and the non-display region and extending in a first direction, the repair line comprising: A first repair line and a second repair line disposed between a first pixel row and a second pixel row of the substrate in the first region, Wherein the first dummy pixels and the second dummy pixels are arranged in each of the first pixel row and the second pixel row, and Wherein the first capacitor of each of the first and second dummy pixels is disposed between the dummy pixel circuit of the first dummy pixel and the dummy pixel circuit of the second dummy pixel.
2. 2. The display device according to claim 1, wherein the first capacitor of the first dummy pixel and the first capacitor of the second dummy pixel are provided as a single body, and Wherein the first dummy pixel shares the first capacitor with the second dummy pixel.
3. 3. The display device of claim 2, wherein the first repair line and the second repair line extend in the first direction, are spaced apart from each other in a second direction intersecting the first direction, and are electrically insulated from each other.
4. 4. The display device of claim 3, further comprising: A first bridge pattern extending in the second direction and electrically connected to the first repair line, and And a second bridge pattern extending in the second direction and electrically connected to the second repair line.
5. 5. The display device of claim 4, wherein the sub-pixel comprises: a transistor disposed on the substrate; a light emitting element electrically connected to the transistor and emitting light, and And a contact electrode electrically connecting the light emitting element and the transistor.
6. 6. The display device according to claim 5, wherein the contact electrode is arranged on a semiconductor pattern of the transistor with an insulating layer interposed therebetween, and wherein the contact electrode is electrically connected to the semiconductor pattern of the transistor through a first contact hole passing through the insulating layer.
7. 7. The display device according to claim 6, wherein the first bridge pattern is disposed on one side of the first contact hole based on the first contact hole in a plan view, and the second bridge pattern is disposed on an opposite side of the first contact hole from the one side of the first contact hole.
8. 8. The display device according to claim 6, wherein the first bridge pattern and the second bridge pattern are disposed on one side of the first contact hole based on the first contact hole in a plan view.
9. 9. The display device of claim 6, wherein the contact electrode overlaps the first and second bridge patterns, and Wherein the contact electrode, the first bridge pattern, and the second bridge pattern are electrically insulated from each other.
10. 10. The display device of claim 3, wherein the first dummy pixel is electrically connected to one of the first repair line and the second repair line, and Wherein the second dummy pixel is electrically connected to the remaining repair line of the first repair line and the second repair line.
11. 11. A display device according to claim 3, wherein the sub-pixels comprise pixel circuits, and Wherein the pixel circuits of two sub-pixels in the first region facing each other in the second direction with the first repair line and the second repair line interposed therebetween are mirror-symmetrical with respect to each other.
12. 12. The display device according to claim 3, wherein the sub-pixel includes a transistor arranged over the substrate, a light-emitting element which is electrically connected to the transistor and emits light, and a contact electrode which electrically connects the light-emitting element and the transistor, The display device further includes a bridge pattern disposed between the sub-pixels arranged in the first pixel row and the sub-pixels arranged in the second pixel row, and connected to respective ones of the first repair line and the second repair line, Wherein the contact electrode of the sub-pixel arranged in the first pixel row overlaps one end of the bridge pattern, and Wherein the contact electrode of the sub-pixel arranged in the second pixel row overlaps the other end of the bridge pattern opposite to the one end of the bridge pattern.
13. 13. The display device according to claim 12, wherein in each of the first pixel row and the second pixel row, the sub-pixels include a first sub-pixel, a second sub-pixel, and a third sub-pixel arranged in the first direction, Wherein the bridge pattern disposed between the first sub-pixels arranged in the first pixel row and the first sub-pixels arranged in the second pixel row is connected to the first repair line, Wherein the bridge pattern disposed between the second sub-pixels arranged in the first pixel row and the second sub-pixels arranged in the second pixel row is connected to the second repair line, and Wherein the bridge pattern disposed between the third sub-pixels arranged in the first pixel row and the third sub-pixels arranged in the second pixel row is connected to the first repair line.
14. 14. A display device according to claim 3, wherein the non-display area comprises a first non-display area adjacent to the first area and a second non-display area adjacent to the second area, and Wherein the first repair line and the second repair line are arranged between the first dummy pixel and the second dummy pixel arranged in the first pixel row and the first dummy pixel and the second dummy pixel arranged in the second pixel row in the first non-display region.
15. 15. A display device, comprising: a substrate defining a display region and a non-display region surrounding one side of the display region; a subpixel disposed in the display region and including a transistor, a light emitting element electrically connected to the transistor, and a contact electrode electrically connecting the light emitting element and the transistor; First and second repair lines extending in a first direction and arranged between first and second pixel rows of the substrate; A first dummy pixel and a second dummy pixel arranged in the non-display region and in each of the first pixel row and the second pixel row, and A first bridge pattern and a second bridge pattern disposed between the first repair line and the second repair line and extending in a second direction crossing the first direction, Wherein the first bridge pattern is connected to the first repair line and the second bridge pattern is connected to the second repair line, Wherein the contact electrode is arranged on a semiconductor pattern of the transistor with an insulating layer interposed therebetween, and the contact electrode is electrically connected to the semiconductor pattern through a first contact hole passing through the insulating layer, and Wherein the first bridge pattern is disposed on one side of the first contact hole based on the first contact hole, and the second bridge pattern is disposed on an opposite side of the first contact hole from the one side of the first contact hole.
16. 16. The display device of claim 15, wherein the contact electrode overlaps the first and second bridge patterns, and Wherein the contact electrode, the first bridge pattern, and the second bridge pattern are electrically insulated from each other.
17. 17. The display device of claim 15, wherein each of the first and second dummy pixels comprises a dummy pixel circuit including a first capacitor, and Wherein the dummy pixel circuit of the first dummy pixel and the dummy pixel circuit of the second dummy pixel share the first capacitor.
18. 18. The display device of claim 15, wherein the first dummy pixel is electrically connected to one of the first repair line and the second repair line, and Wherein the second dummy pixel is electrically connected to the remaining repair line of the first repair line and the second repair line.
19. 19. An electronic device, comprising: A processor for providing input image data to the display device, and The display device that displays an image based on the input image data, the display device including: A substrate in which a display region including a first region and a second region and a non-display region surrounding one side of the display region are defined; a subpixel disposed in the display region; a dummy pixel disposed in the non-display region, the dummy pixel including a first dummy pixel and a second dummy pixel, and A repair line commonly provided to the display region and the non-display region and extending in a first direction, the repair line comprising: A first repair line and a second repair line disposed between a first pixel row and a second pixel row of the substrate in the first region, Wherein the first dummy pixels and the second dummy pixels are arranged in each of the first pixel row and the second pixel row, Wherein each of the first dummy pixel and the second dummy pixel includes a dummy pixel circuit and a first capacitor electrically connected to the dummy pixel circuit, and Wherein the first capacitor of each of the first and second dummy pixels is disposed between the dummy pixel circuit of the first dummy pixel and the dummy pixel circuit of the second dummy pixel.
20. 20. The electronic device of claim 19, wherein the first capacitor of the first dummy pixel and the first capacitor of the second dummy pixel are provided as a single body, and Wherein the first dummy pixel and the second dummy pixel share the first capacitor.

Description

Display device and electronic device including the same Cross Reference to Related Applications The present application claims priority from korean patent application No. 10-2024-0157063, filed on 7 of 11.2024, the contents of which are incorporated herein by reference in their entirety. Technical Field Embodiments of the present disclosure relate to a display device, a method of repairing the display device, and an electronic device including the display device. Background With recent increase in interest in information display, research and development of display devices are underway. Disclosure of Invention The present disclosure provides a display device, a repair method thereof, and an electronic device including the same, which can improve reliability by preventing a dark spot failure of a pixel. Embodiments of the present disclosure include a display device including a substrate in which a display region including a first region and a second region and a non-display region surrounding one side of the display region are defined, a sub-pixel disposed in the display region, a dummy pixel disposed in the non-display region, and a repair line commonly provided to the display region and the non-display region and extending in a first direction. The repair line includes a first repair line and a second repair line disposed between a first pixel row and a second pixel row of the substrate in the first region. The dummy pixels include first and second dummy pixels arranged to correspond to the first and second pixel rows, respectively. Each of the first dummy pixel and the second dummy pixel includes a dummy pixel circuit and a first capacitor electrically connected to the dummy pixel circuit. The first capacitor of each of the first and second dummy pixels is disposed between the dummy pixel circuit of the first dummy pixel and the dummy pixel circuit of the second dummy pixel. In an embodiment, the first capacitor of the first dummy pixel and the first capacitor of the second dummy pixel may be provided as a single body. The first dummy pixel and the second dummy pixel may share a first capacitor. In an embodiment, the first repair line and the second repair line may extend in a first direction, may be spaced apart from each other in a second direction crossing the first direction, and may be electrically insulated from each other. In an embodiment, the display device may further include a first bridge pattern extending in the second direction and electrically connected to the first repair line, and a second bridge pattern extending in the second direction and electrically connected to the second repair line. In an embodiment, the sub-pixel may include a transistor disposed on a substrate, a light emitting element electrically connected to the transistor and emitting light, and a contact electrode electrically connecting the light emitting element and the transistor. In an embodiment, the contact electrode may be disposed on the semiconductor pattern of the transistor with the insulating layer interposed therebetween, and may be electrically connected to the semiconductor pattern of the transistor through a first contact hole passing through the insulating layer. In an embodiment, the first bridge pattern may be disposed on one side of the first contact hole based on the first contact hole in a plan view, and the second bridge pattern may be disposed on an opposite side of the first contact hole to the one side of the first contact hole. In an embodiment, the first bridge pattern and the second bridge pattern may be disposed on one side of the first contact hole in a plan view based on the first contact hole. In an embodiment, the contact electrode may overlap the first bridge pattern and the second bridge pattern. The contact electrode, the first bridge pattern, and the second bridge pattern may be electrically insulated from each other. In an embodiment, the first dummy pixel may be electrically connected to one of the first and second repair lines, and the second dummy pixel may be electrically connected to the remaining (other) of the first and second repair lines. In an embodiment, the sub-pixels may include pixel circuits. The pixel circuits of the two sub-pixels facing each other in the second direction while interposing the first repair line and the second repair line therebetween in the first region may be mirror-symmetrical with respect to each other. In an embodiment, a subpixel may include a transistor disposed on a substrate, a light emitting element electrically connected to the transistor and emitting light, and a contact electrode electrically connecting the light emitting element and the transistor. The display device further includes a bridge pattern disposed between the sub-pixels arranged in the first pixel row and the sub-pixels arranged in the second pixel row, and the bridge pattern is connected to respective ones of the first repair line and the second repair line. The contact electr