DISPLAY PANEL AND TERMINAL

• US 20190311666A1
• Filed: 12/21/2018
• Published: 10/10/2019
• Est. Priority Date: 04/08/2018
• Status: Active Grant

• Current Assignee: Beijing Xiaomi Mobile Software Co., Ltd. (Xiaomi Corp.)
• Original Assignee: Beijing Xiaomi Mobile Software Co., Ltd. (Xiaomi Corp.)
• Inventors: CHEN, Chaoxi
• Granted Patent: US 10,909,894 B2
• Time in Patent Office: Days
• CPC Class Codes: G01S 17/08 for measuring distance only indirect measurement G01S17/46; active triangulation systems G01S17/48
• CPC Class Codes: G01S 7/4811 common to transmitter and receiver
• CPC Class Codes: G01S 7/4815 using multiple transmitters
• CPC Class Codes: G01S 7/4816 of receivers alone
• CPC Class Codes: G09G 2300/0439 Pixel structures
• CPC Class Codes: G09G 2354/00 Aspects of interface with display user
• CPC Class Codes: G09G 2360/14 Detecting light within display terminals, e.g. using a single or a plurality of photosensors
• CPC Class Codes: G09G 2360/145 the light originating from the display screen
• CPC Class Codes: G09G 3/20 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters

Abstract

The disclosure relates to a display panel including a pixel array including a plurality of sub-pixels; through holes formed in gaps between the plurality of sub-pixels; and an infrared light detector including an emitter array and a receiver array, wherein the emitter array is configured to emit infrared light out through the through holes, and the receiver array is configured to receive infrared light emitted in through the through holes.

Claims

1. A display panel, comprising:

a pixel array including a plurality of sub-pixels;

through holes formed in gaps between the plurality of sub-pixels; and

an infrared light detector including an emitter array and a receiver array,

wherein the emitter array is configured to emit infrared light out through the through holes, and the receiver array is configured to receive infrared light emitted in through the through holes.

2. The display panel of claim 1, wherein at least part of orthographic projections of the emitter array and the receiver array on a plane where the pixel array is located falls within the pixel array.

3. The display panel of claim 1, wherein an opaque material is arranged between the plurality of sub-pixels and the emitter array.

4. The display panel of claim 1, further comprising a pixel driver, wherein an opaque material is arranged between the pixel driver and the emitter array, and the pixel driver is configured to drive the plurality of sub-pixels to emit light.

5. The display panel of claim 1, wherein an intersection of the infrared light emitted by the emitter array and the infrared light received by the receiver array is located between the pixel array and the infrared light detector.

6. The display panel of claim 1, wherein a non-opaque material is arranged in the through holes.

7. The display panel of claim 1, wherein the plurality of sub-pixels are sub-pixels located in an infrared light emission region of the emitter array and an infrared light receiving region of the receiver array.

8. The display panel of claim 1, wherein the emitter array includes a plurality of emitters, and at least one emitter of the plurality of emitters is a Vertical Cavity Surface Emitting Laser (VCSEL).

9. The display panel of claim 1, wherein the receiver array includes a plurality of receivers, and at least one receiver of the plurality of receivers is a Single Photon Avalanche Diode (SPAD).

10. The display panel of claim 1, wherein the infrared light detector is arranged to form part of a detection circuit for a distance sensor.

11. A terminal, comprising:

a display panel including;

a pixel array including a plurality of sub-pixels;

through holes formed in gaps between the plurality of sub-pixels; and

an infrared light detector including an emitter array and a receiver array,

wherein the emitter is configured to emit infrared light out through the through holes, and the receiver array is configured to receive infrared light emitted in through the through holes.

12. The terminal of claim 11, wherein at least part of orthographic projections of the emitter array and the receiver array on a plane where the pixel array is located falls within the pixel array.

13. The terminal of claim 11, wherein an opaque material is arranged between the plurality of sub-pixels and the emitter array.

14. The terminal of claim 11, wherein the display panel further includes a pixel driver, wherein an opaque material is arranged between the pixel driver and the emitter array, and the pixel driver is configured to drive the plurality of sub-pixels to emit light.

15. The terminal of claim 11, wherein an intersection of the infrared light emitted by the emitter array and the infrared light received by the receiver array is located between the pixel array and the infrared light detector.

16. The terminal of claim 11, wherein a non-opaque material is arranged in the through holes.

17. The terminal of claim 11, wherein the plurality of sub-pixels are sub-pixels located in an infrared light emission region of the emitter array and an infrared light receiving region of the receiver array.

18. The terminal of claim 11, wherein the emitter array includes a plurality of emitters, and at least one emitter of the plurality of emitters is a Vertical Cavity Surface Emitting Laser (VCSEL).

19. The terminal of claim 11, wherein the receiver array includes a plurality of receivers, and at least one receiver of the plurality of receivers is a Single Photon Avalanche Diode (SPAD).

20. The terminal of claim 11, wherein the infrared light detector is arranged to form part of a detection circuit for a distance sensor.