Substrate and display panel

Patent metadata

Field	Value
Publication number	US-9940500-B2
Application number	US-201515115337-A
Country	US
Kind code	B2
Filing date	Sep 24, 2015
Priority date	Jun 23, 2015
Publication date	Apr 10, 2018
Grant date	Apr 10, 2018

Abstract

A substrate includes a pixel array region and a display panel are provided. The pixel array region includes: a base substrate; a light shielding region disposed on the base substrate; and at least one fingerprint sensor pattern disposed in the light shielding region. The fingerprint sensor pattern includes: a driving electrode pattern and a sensing electrode pattern, wherein the driving electrode pattern is configured for providing a driving signal of fingerprint identification, the sensing electrode pattern is configured for receiving a sensing signal of fingerprint identification, and the driving electrode pattern and the sensing electrode pattern are electrically insulated from each other.

First claim

What is claimed is:

1. A substrate, comprising a pixel array region, wherein the pixel array region comprises:
a base substrate;
a light shielding region disposed on the base substrate; and
at least one fingerprint sensor pattern disposed in the light shielding region, and the at least one fingerprint sensor pattern comprises:
a driving electrode pattern and a sensing electrode pattern, wherein the driving electrode pattern is configured for providing a driving signal of fingerprint identification, the sensing electrode pattern is configured for receiving a sensing signal of fingerprint identification, and the driving electrode pattern and the sensing electrode pattern are electrically insulated from each other;
wherein the pixel array region further comprises a plurality of light transmitting regions and the plurality of light transmitting regions is surrounded and separated by the light shielding region.

2. The substrate of claim 1 , wherein the driving electrode pattern comprises a plurality of driving electrode lines parallel to each other, the sensing electrode pattern comprises two groups of sensing electrode lines, each of the plurality of driving electrode lines and each of the sensing electrode lines are electrically insulated from each other and orthogonal to each other along extension directions.

3. The substrate of claim 2 , wherein each of the sensing electrode lines extends along a horizontal direction, each of the plurality of driving electrode lines comprises two first driving portions and a plurality of second driving portions connecting the two first driving portions; the first driving portions extend along a vertical direction and are parallel to each other, and the plurality of second driving portions extend along the horizontal direction and are parallel to each other.

4. The substrate of claim 2 , wherein each of the sensing electrode lines extends along a vertical direction, each of the plurality of driving electrode lines comprises a main driving portion which extends along a horizontal direction and a plurality of auxiliary driving portions which extends along the vertical direction, and each of the auxiliary driving portions is connected to and orthogonal to the main driving portion.

5. The substrate of claim 1 , wherein the substrate is a color filter substrate, the light shielding region is a black matrix, and color filter units are disposed in a light transmitting region of the plurality of light transmitting regions.

6. A display panel, comprising the substrate of claim 1 .

7. The display panel of claim 6 , wherein the display panel comprises a display region and a non-display region, and the display region comprises at least one fingerprint identification region corresponding to the at least one fingerprint sensor pattern.

8. The display panel of claim 7 , wherein an area of the fingerprint identification region is smaller than that of the display region.

9. The display panel of claim 7 , wherein the display panel is a liquid crystal display panel, the substrate is a color filter substrate, and the liquid crystal display panel further comprises an array substrate arranged as opposed to the color filter substrate.

10. The display panel of claim 9 , further comprising an upper polarizer and a cover plate disposed on the color filter substrate, wherein a groove is formed on a side of the cover plate facing the color filter substrate and configured for accommodating the upper polarizer and the color filter substrate.

11. The display panel of claim 10 , wherein a periphery of the upper polarizer and the color filter substrate are surrounded by an internal wall of the groove.

12. The display panel of claim 10 , wherein a depth of the groove is equal to a sum of a thickness of the upper polarizer and a thickness of the color filter substrate.

13. The display panel of claim 9 , further comprising a touching structure disposed at least in the display region.

14. The display panel of claim 13 , wherein the touching structure comprises a touch sensing electrode and a touch driving electrode, and the touch sensing electrode and the touch driving electrode are disposed on at least one of the color filter substrate and the array substrate.

Assignees

• Boe Technology Group Co Ltd
• Beijing Boe Optoelectronics Tech Co Ltd

Inventors

• Liu Yingming
• Dong Xue
• Wang Haisheng
• Ding Xiaoliang
• Yang Shengji
• Zhao Weijie
• Deng Liguang
• Liu Hongjuan
• Li Changfeng
• Liu Wei
• Zhao Jing
• Pang Jing

Classifications

• G06F3/044

  by capacitive means · CPC title

• G06F3/045

  using resistive elements, e.g. a single continuous surface or two parallel surfaces put in contact · CPC title

• G06K9/00087

  Physics · mapped topic

• G06K9/0002 Primary

  Physics · mapped topic

• G09G3/3648

  using an active matrix (G09G3/367 - G09G3/3696 take precedence) · CPC title