CN-122003047-A - Display device, repairing method thereof and electronic device with display device

Abstract

The present disclosure relates to a display device, a method of repairing a display device, and an electronic device including a display device. The display device includes a substrate in which a display region including a first region and a second region and a non-display region surrounding at least one side of the display region are defined, sub-pixels arranged in the display region, dummy pixels arranged in the non-display region, and repair lines commonly provided to the display region and the non-display region and extending in a first direction. The non-display area includes a first non-display area adjacent to the first area and a second non-display area adjacent to the second area. 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. Each of the first pixel row and the second pixel row extends in the first direction. The first repair line and the second repair line face each other in a second direction crossing the first direction.

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 at least one side of the display region are defined; a subpixel disposed in the display region; A dummy pixel arranged in the non-display region, and Repair lines commonly provided to the display region and the non-display region and extending in a first direction, Wherein the non-display area includes a first non-display area adjacent to the first area and a second non-display area adjacent to the second area, Wherein 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, Wherein each of the first pixel row and the second pixel row extends in the first direction, and Wherein the first repair line and the second repair line face each other in a second direction crossing the first direction.
2. 2. The display device according to claim 1, wherein the dummy pixels include first dummy pixels and second dummy pixels arranged in the first non-display region corresponding to each of the first pixel row and the second pixel row, and The first dummy pixels and the second dummy pixels are arranged adjacent to each other in the first direction.
3. 3. The display device according to claim 2, wherein the first dummy pixel is electrically connected to one of the first repair line and the second repair line, and the second dummy pixel is electrically connected to the other of the first repair line and the second repair line.
4. 4. A display device according to claim 3, wherein the first repair line and the second repair line are electrically insulated from each other.
5. 5. The display device according to claim 4, wherein in the first non-display region, the first repair line and the second repair line are arranged between the first dummy pixel and the second dummy pixel arranged corresponding to the first pixel row and the first dummy pixel and the second dummy pixel arranged corresponding to the second pixel row.
6. 6. The display device according to claim 2, wherein the sub-pixels are provided in plural, and each of the plural sub-pixels includes a pixel circuit, and Wherein the pixel circuits of two sub-pixels facing each other in the second direction in the first region are mirror-symmetrical with respect to each other, and the first repair line and the second repair line are between the two sub-pixels.
7. 7. The display device according to claim 6, further comprising: a plurality of first bridge patterns extending in the second direction and electrically connected to the first repair lines, and A plurality of second bridge patterns extending in the second direction, electrically connected to the second repair lines, and spaced apart from the plurality of first bridge patterns.
8. 8. The display device according to claim 7, wherein in the first region, the plurality of first bridge patterns are integrally formed with the first repair line and protrude from the first repair line in a direction toward the second repair line, and Wherein, in the first region, the plurality of second bridge patterns are integrally formed with the second repair line and protrude from the second repair line in a direction toward the first repair line.
9. 9. The display device of claim 7, wherein the sub-pixel further comprises: A light emitting element electrically connected to the pixel circuit and configured to emit light, and A contact electrode electrically connected to the anode electrode of the light emitting element, and Wherein the contact electrode is electrically insulated from the first repair line and the second repair line.
10. 10. The display device according to claim 9, wherein the contact electrode overlaps the first bridge pattern and the second bridge pattern in the first region in a plan view.
11. 11. The display device according to claim 9, wherein each of the first dummy pixel and the second dummy pixel includes a dummy pixel circuit, and Wherein the dummy pixel circuits of two dummy pixels facing each other in the second direction in the first non-display region are mirror-symmetrical with respect to each other, and the first repair line and the second repair line are between the two dummy pixels.
12. 12. The display device of claim 11, wherein the dummy pixel circuit comprises a capacitor, Wherein the capacitor comprises a first electrode and a second electrode arranged on the first electrode, and an insulating layer is arranged between the first electrode and the second electrode, and Wherein at least one of the first repair line and the second repair line is disposed on the first electrode and the second electrode.
13. 13. The display device of claim 11, wherein each of the first and second dummy pixels further comprises a dummy anode electrode located in the non-display region and overlapping the dummy pixel circuit, and Wherein the dummy anode electrode is electrically connected to the anode electrode of the sub-pixel arranged in the display area adjacent to the non-display area.
14. 14. The display device according to claim 2, wherein the repair line further includes a third repair line and a fourth repair line disposed between the first pixel row and the second pixel row in the second region, Wherein the dummy pixels further include third dummy pixels and fourth dummy pixels arranged in the second non-display region in correspondence with each of the first pixel row and the second pixel row, Wherein the third repair line and the fourth repair line face each other in the second direction, and Wherein the third dummy pixel and the fourth dummy pixel are arranged adjacent to each other in the first direction.
15. 15. The display device of claim 14, wherein the third dummy pixel is electrically connected to one of the third repair line and the fourth repair line, and the fourth dummy pixel is electrically connected to the other of the third repair line and the fourth repair line, and Wherein the third repair line and the fourth repair line are electrically insulated from each other.
16. 16. The display device according to claim 15, wherein the sub-pixels are provided in plural, and each of the plurality of the sub-pixels includes a pixel circuit, and Wherein the pixel circuits of two sub-pixels facing each other in the second direction in the second region are mirror-symmetrical with respect to each other, and the third repair line and the fourth repair line are between the two sub-pixels.
17. 17. The display device according to claim 15, further comprising: A plurality of third bridge patterns extending in the second direction and electrically connected to the third repair lines, and A plurality of fourth bridge patterns extending in the second direction, electrically connected to the fourth repair line, and spaced apart from the plurality of third bridge patterns, Wherein in the second region, the plurality of third bridge patterns are integrally formed with the third repair line and protrude from the third repair line in a direction toward the fourth repair line, and Wherein, in the second region, the plurality of fourth bridge patterns are integrally formed with the fourth repair line and protrude from the fourth repair line in a direction toward the third repair line.
18. 18. A method of repairing a display device, the method comprising, The display device includes: a substrate in which a display region including a first region and a second region and a non-display region surrounding at least one side of each of the first region and the second region are defined; A subpixel disposed in the display region and including a pixel circuit, a light emitting element, and a contact electrode electrically connected to an anode electrode of the light emitting element; A first repair line and a second repair line disposed between the first pixel row and the second pixel row in the display region and spaced apart from each other; a dummy pixel including a first dummy pixel and a second dummy pixel, the first dummy pixel and the second dummy pixel being arranged in the non-display region corresponding to each of the first pixel row and the second pixel row and being connected to the first repair line and the second repair line, respectively; a first bridge pattern electrically connected to the first repair line, and A second bridge pattern electrically connected to the second repair line, The method comprises the following steps: Separating a first defective pixel circuit arranged in a first pixel column of the first pixel row from a first light emitting element corresponding to the first defective pixel circuit; electrically connecting the anode electrode of the first light emitting element to a dummy pixel circuit of the first dummy pixel by electrically connecting the contact electrode electrically connected to the anode electrode of the first light emitting element to a corresponding one of the first bridge patterns; separating a second defective pixel circuit arranged in a third pixel column of the first pixel row from a second light emitting element corresponding to the second defective pixel circuit, and The anode electrode of the second light emitting element is electrically connected to a dummy pixel circuit of the second dummy pixel by electrically connecting the contact electrode electrically connected to the anode electrode of the second light emitting element to a corresponding one of the second bridge patterns.
19. 19. The method of claim 18, wherein the first repair line and the second repair line are electrically insulated from each other.
20. 20. An electronic device, comprising: A processor for providing input image data to the display device, and The display device is used for displaying images based on the input image data, Wherein the display device includes: A substrate in which a display region including a first region and a second region and a non-display region surrounding at least one side of the display region are defined; a subpixel disposed in the display region; A dummy pixel arranged in the non-display region, and Repair lines commonly provided to the display region and the non-display region and extending in a first direction, Wherein the non-display area includes a first non-display area adjacent to the first area and a second non-display area adjacent to the second area, Wherein 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, Wherein each of the first pixel row and the second pixel row extends in the first direction, and Wherein the first repair line and the second repair line face each other in a second direction crossing the first direction.

Description

Display device, repairing method thereof and electronic device with display device Cross Reference to Related Applications The present application claims priority from korean patent application No. 10-2024-0157061 filed on 7 of 11 of 2024, the contents of which are incorporated herein by reference in their entirety. Technical Field Embodiments of the invention relate to a display device, a method of repairing a display device, and an electronic device including a 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 display device, which are capable of improving reliability by preventing a dark spot failure of a pixel. Aspects of some 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 at least one side of the display region are defined, a subpixel disposed in the display region, a dummy pixel disposed in the non-display region, and a repair line commonly disposed in the display region and the non-display region and extending in a first direction. The non-display area includes a first non-display area adjacent to the first area and a second non-display area adjacent to the second area. 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. Each of the first pixel row and the second pixel row extends in the first direction. The first repair line and the second repair line face each other in a second direction crossing the first direction. According to some embodiments, the dummy pixels may include first and second dummy pixels arranged in the first non-display region corresponding to each of the first and second pixel rows. The first dummy pixels and the second dummy pixels are arranged adjacent to each other in the first direction. According to some embodiments, the first dummy pixel may be electrically connected to one of the first repair line and the second repair line, and the second dummy pixel may be electrically connected to the other of the first repair line and the second repair line. According to some embodiments, the first repair line and the second repair line may be electrically insulated from each other. According to some embodiments, in the first non-display region, the first and second repair lines may be disposed between the first and second dummy pixels disposed corresponding to the first pixel row and the first and second dummy pixels disposed corresponding to the second pixel row. According to some embodiments, the sub-pixels may be provided in plurality, and each of the plurality of sub-pixels may include a pixel circuit. The pixel circuits of the two sub-pixels facing each other in the second direction in the first region may be mirror-symmetrical with respect to each other, and the first repair line and the second repair line are between the two sub-pixels. According to some embodiments, the display device may further include a plurality of first bridge patterns extending in the second direction and electrically connected to the first repair lines, and a plurality of second bridge patterns extending in the second direction, electrically connected to the second repair lines, and spaced apart from the plurality of first bridge patterns. According to some embodiments, in the first region, a plurality of first bridge patterns are integrally formed with the first repair line and protrude from the first repair line in a direction toward the second repair line. In the first region, a plurality of second bridge patterns are integrally formed with the second repair line and protrude from the second repair line in a direction toward the first repair line. According to some embodiments, the sub-pixel may further include a light emitting element electrically connected to the pixel circuit and configured to emit light, and a contact electrode electrically connected to an anode electrode of the light emitting element. The contact electrode is electrically insulated from the first repair line and the second repair line. According to some embodiments, the contact electrode may overlap the first bridge pattern and the second bridge pattern in the first region in a plan view. According to some embodiments, each of the first dummy pixel and the second dummy pixel may include a dummy pixel circuit. The dummy pixel circuits of the two dummy pixels facing each other in the second direction in the first non-display region may be mirror-symmetrical with respect to each other, and the first repair line and the second repair line may be between the two dummy pixels. According to some embodiments, the dummy pixel circuit may include a capacito