Display panel and manufacture method thereof, and display apparatus

Patent metadata

Field	Value
Publication number	US-11237437-B2
Application number	US-201816080119-A
Country	US
Kind code	B2
Filing date	Jan 15, 2018
Priority date	Jun 27, 2017
Publication date	Feb 1, 2022
Grant date	Feb 1, 2022

Abstract

A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel includes a first substrate and a second substrate which arranged opposite to each other. The first substrate includes a display region and a peripheral region, a conduction section is in the peripheral region of the first substrate, and the conduction section is electrically connected with a grounded section. The second substrate includes a display region and a peripheral region, a black matrix is at least in the peripheral region of the second substrate, and the black matrix is electrically connected with the conduction section.

First claim

What is claimed is:

1. A display panel, comprising:
a first substrate and a second substrate, arranged opposite to each other,
wherein the first substrate comprises a display region and a peripheral region, a conduction section is in the peripheral region of the first substrate, and the conduction section is electrically connected with a grounded section; and
the second substrate comprises a display region and a peripheral region, wherein a black matrix is at least in the peripheral region of the second substrate, and the black matrix is electrically connected with the conduction section,
wherein the conduction section comprises at least one first conductive layer, and the at least one first conductive layer is respectively in a same layer as a conductive layer in the display region of the first substrate,
wherein the conductive layer in the display region of the first substrate comprises a light shielding layer, and the first conductive layer is in a same layer as the light shielding layer.

2. The display panel according to claim 1 , wherein a thickness of the first conductive layer in the peripheral region of the first substrate is greater than a thickness of a conductive layer, which is in a same layer as the first conductive layer, in the display region of the first substrate, and
the first conductive layer is electrically connected with the black matrix.

3. The display panel according to claim 1 , wherein the black matrix is further in the display region of the second substrate, and
a thickness of the black matrix in the peripheral region of the second substrate is greater than a thickness of the black matrix in the display region of the second substrate.

4. The display panel according to claim 3 , wherein the conduction section is around the peripheral region of the first substrate and forms an enclosed shape, a portion of the black matrix in the peripheral region of the second substrate forms another enclosed shape, and the conduction section is in contact with the black matrix.

5. The display panel according to claim 4 , wherein the second substrate further comprises a planarization layer in the display region of the second substrate, the planarization layer covers the black matrix in the display region of the second substrate, and
the thickness of the black matrix in the peripheral region of the second substrate is equal to a sum of the thickness of the black matrix in the display region of the second substrate and a thickness of the planarization layer.

6. The display panel according to claim 1 , further comprising a sealant, wherein the sealant is on a side of the conduction section facing the display region of the first substrate.

7. The display panel according to claim 1 , further comprising a conductive adhesive, wherein the conduction section is electrically connected with the grounded section via the conductive adhesive.

8. The display panel according to claim 1 , wherein the display panel is a fully embedded capacitive touch screen.

9. A display apparatus, comprising the display panel according to claim 1 .

10. The display apparatus according to claim 9 , further comprising a metal frame, wherein the grounded section comprises the metal frame.

11. A manufacture method of a display panel, comprising:
providing a first substrate; and
providing a second substrate and positioning the second substrate opposite to the first substrate,
wherein the first substrate comprises a display region and a peripheral region, a conduction section is in the peripheral region of the first substrate, and the conduction section is electrically connected with a grounded section; and
the second substrate comprises a display region and a peripheral region, wherein a black matrix is at least in the peripheral area of the second substrate, and the black matrix is electrically connected with the conduction section,
wherein the conduction section comprises at least one first conductive layer, and the at least one first conductive layer is respectively in a same layer as a conductive layer in the display region of the first substrate,
wherein the conductive layer in the display region of the first substrate comprises a light shielding layer, and the first conductive layer is in a same layer as the light shielding layer.

12. A display panel, comprising:
a first substrate and a second substrate, arranged opposite to each other,
wherein the first substrate comprises a display region and a peripheral region, a conduction section is in the peripheral region of the first substrate, and the conduction section is electrically connected with a grounded section; and
the second substrate comprises a display region and a peripheral region, wherein a black matrix is at least in the peripheral region of the second substrate, and the black matrix is electrically connected with the conduction section,
wherein the conduction section comprises at least one first conductive layer, and the at least one first conductive layer is respectively in a same layer as a conductive layer in the display region of the first substrate,
a thin film transistor is in the display region of the first substrate, the thin film transistor comprises a gate electrode and a source/drain electrode, and
the first conductive layer is in a same layer as a metal layer where the source/drain electrode is located.

13. The display panel according to claim 12 , wherein the conduction section further comprises an insulating layer and a second conductive layer,
the insulating layer covers the first conductive layer, the second conductive layer is electrically connected with the first conductive layer through at least one via hole in the insulating layer, and
the second conductive layer is electrically connected with the black matrix.

14. The display panel according to claim 13 , wherein the first substrate further comprises a pixel electrode, and the second conductive layer is in a same layer as the pixel electrode; or
the first substrate further comprises a common electrode, and the second conductive layer is in a same layer as the common electrode.

15. The display panel according to claim 12 , wherein the black matrix is further in the display region of the second substrate, and
a thickness of the black matrix in the peripheral region of the second substrate is greater than a thickness of the black matrix in the display region of the second substrate.

16. The display panel according to claim 15 , wherein the conduction section is around the peripheral region of the first substrate and forms an enclosed shape, a portion of the black matrix in the peripheral region of the second substrate forms another enclosed shape, and the conduction section is in contact with the black matrix.

17. The display panel according to claim 16 , wherein the second substrate further comprises a planarization layer in the display region of the second substrate, the planarization layer covers the black matrix in the display region of the second substrate, and
the thickness of the black matrix in the peripheral region of the second substrate is equal to a sum of the thickness of the black matrix in the display region of the second substrate and a thickness of the planarization layer.

18. The display panel according to claim 12 , further comprising a sealant, wherein the sealant is on a side of the conduction section facing the display region of the first substrate.

19. The display panel according to claim 12 , further comprising a conductive adhesive, wherein the conduction section is electrically

Assignees

• Boe Technology Group Co Ltd
• Ordos Yuansheng Optoelectronics Co Ltd

Inventors

• Sun Le
• Zhang Wei
• Tang Wulijibaier
• Pan Zhengwen
• Shi Tianlei
• Wang Xiaojie

Classifications

• H10P14/29

  characterised by the substrates · CPC title

• H10W90/401

  characterised by multiple insulating or insulated package substrates, interposers or RDLs · CPC title

• H10W70/611

  for connecting multiple chips together · CPC title

• H10K59/131

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

• H10K59/8792

  comprising light absorbing layers, e.g. black layers · CPC title