Display module and electronic device

Patent metadata

Field	Value
Publication number	US-12343440-B2
Application number	US-202318509573-A
Country	US
Kind code	B2
Filing date	Nov 15, 2023
Priority date	Mar 23, 2023
Publication date	Jul 1, 2025
Grant date	Jul 1, 2025

Abstract

A display module and an electronic device are provided. The display module includes a display panel and a backlight module stacked with the display panel. The backlight module includes a back plate, a light-emitting member. The back plate has a bottom wall and a plurality of side walls, the plurality of side walls surround the bottom wall to define an accommodation space. The light-emitting member is accommodated in the accommodation space and carried on the bottom wall, and the light-emitting member is configured to emit visible light. The display module further includes an ultraviolet (UV)-ray emitting assembly. The UV-ray emitting assembly is accommodated in the accommodation space and disposed corresponding to one of plurality of the side walls, and the UV-ray emitting assembly is obliquely disposed with respect to the display panel and configured to emit UV rays to the display panel.

First claim

What is claimed is:

1. A display module comprising a display panel and a backlight module stacked with the display panel, wherein the backlight module comprises:
a back plate having a bottom wall and a plurality of side walls, wherein the plurality of side walls surround the bottom wall to define an accommodation space; and
a light-emitting member accommodated in the accommodation space and carried on the bottom wall, wherein the light-emitting member is configured to emit visible light;
wherein the display module further comprises:
an ultraviolet (UV)-ray emitting assembly accommodated in the accommodation space and disposed-on one of the plurality of side walls, wherein the UV-ray emitting assembly is obliquely disposed with respect to the display panel and configured to emit UV rays from a side located within the accommodation space and away from a display surface of the display panel to the display panel so that the UV rays pass through the display panel and disinfect the display surface of the display panel and air at a side of the display surface of the display panel.

2. The display module of claim 1 , wherein the UV-ray emitting assembly is carried on the one of the plurality of side walls, and an angle α defined between the one of the plurality of side walls and one side of the bottom wall away from the accommodation space satisfies: 40°≤α≤70°.

3. The display module of claim 1 , further comprising:
a diffuser disposed corresponding to a light-exiting surface of the UV-ray emitting assembly and configured to diffuse the UV rays emitted by the UV-ray emitting assembly.

4. The display module of claim 3 , wherein an orthographic projection of the diffuser on the UV-ray emitting assembly covers the light-exiting surface of the UV-ray emitting assembly.

5. The display module of claim 1 , wherein the UV-ray emitting assembly is implemented as a plurality of UV-ray emitting assemblies, each of the plurality of UV-ray emitting assemblies is disposed on one of the plurality of side walls; and wherein each of the plurality of UV-ray emitting assemblies comprises:
a carrier carried on a side wall; and
a plurality of UV-ray emitting members carried on the carrier and arranged at intervals; wherein
for two UV-ray emitting assemblies disposed opposite to each other, in a direction from one UV-ray emitting assembly to the other UV-ray emitting assembly, a plurality of UV-ray emitting members in said one UV-ray emitting assembly and a plurality of UV-ray emitting members in the other UV-ray emitting assembly are staggered with one another.

6. The display module of claim 1 , wherein the UV-ray emitting assembly is implemented as a plurality of UV-ray emitting assemblies, each of the plurality of UV-ray emitting assemblies is disposed on one of the plurality of side walls; and wherein each of the plurality of UV-ray emitting assemblies comprises:
a carrier carried on a side wall; and
a plurality of UV-ray emitting members carried on the carrier and arranged at intervals; wherein
for two UV-ray emitting assemblies disposed opposite to each other, in a direction from one UV-ray emitting assembly to the other UV-ray emitting assembly, a plurality of UV-ray emitting members in said one UV-ray emitting assembly and a plurality of UV-ray emitting members in the other UV-ray emitting assembly are directly opposite to one another.

7. An electronic device, wherein the electronic device comprises a processor and a display module, wherein the display module includes a display panel and a backlight module stacked with the display panel, and the backlight module comprises:
a back plate having a bottom wall and a plurality of side walls, wherein the plurality of side walls surround the bottom wall to define an accommodation space; and
a light-emitting member accommodated in the accommodation space and carried on the bottom wall, wherein the light-emitting member is configured to emit visible light;
wherein the display module further comprises:
an ultraviolet (UV)-ray emitting assembly accommodated in the accommodation space and disposed on one of the plurality of side walls, wherein the UV-ray emitting assembly is obliquely disposed with respect to the display panel and configured to emit UV rays from a side located within the accommodation space and away from a display surface of the display panel to the display panel so that the UV rays pass through the display panel and disinfect the display surface of the display panel and air at a side of the display surface of the display panel; wherein,
the processor is electrically connected to the ultraviolet (UV)-ray emitting assembly and is configured to control the UV-ray emitting assembly.

8. The electronic device of claim 7 , wherein the UV-ray emitting assembly is carried on the one of the plurality of side walls, and an angle α defined between the one of the plurality of side walls and one side of the bottom wall away from the accommodation space satisfies: 40°≤α≤70°.

9. The electronic device of claim 8 , further comprising:
a diffuser disposed corresponding to a light-exiting surface of the UV-ray emitting assembly and configured to diffuse the UV rays emitted by the UV-ray emitting assembly.

10. The electronic device of claim 9 , wherein an orthographic projection of the diffuser on the UV-ray emitting assembly covers the light-exiting surface of the UV-ray emitting assembly.

11. The electronic device of claim 7 , wherein the UV-ray emitting assembly is implemented as a plurality of UV-ray emitting assemblies, each of the plurality of UV-ray emitting assemblies is disposed on one of the plurality of side walls; and wherein each of the plurality of UV-ray emitting assemblies comprises:
a carrier carried on a side wall; and
a plurality of UV-ray emitting members carried on the carrier and arranged at intervals; wherein
for two UV-ray emitting assemblies disposed opposite to each other, in a direction from one UV-ray emitting assembly to the other UV-ray emitting assembly, a plurality of UV-ray emitting members in said one UV-ray emitting assembly and a plurality of UV-ray emitting members in the other UV-ray emitting assembly are staggered with one another.

12. The electronic device of claim 7 , wherein the UV-ray emitting assembly is implemented as a plurality of UV-ray emitting assemblies, each of the plurality of UV-ray emitting assemblies is disposed on one of the plurality of side walls; and wherein each of the plurality of UV-ray emitting assemblies comprises:
a carrier carried on a side wall; and
a plurality of UV-ray emitting members carried on the carrier and arranged at intervals; wherein
for two UV-ray emitting assemblies disposed opposite to each other, in a direction from one UV-ray emitting assembly to the other UV-ray emitting assembly, a plurality of UV-ray emitting members in said one UV-ray emitting assembly and a plurality of UV-ray emitting members in the other UV-ray emitting assembly are directly opposite to one another.

13. The electronic device of claim 7 , wherein the display module further comprises:
a detection sensor electrically connected to the display panel and configured to detect whether or not the display panel is touched; wherein,
the processor is electrically connected to the detection sensor, and is configured to record the number of times the display panel is touched to obtain a first number of times of detection, and compare the first number of times of detection with a first preset number of times; and
the processor is configured to control the UV-ray emitting assembly to emit UV rays when the processor determines that the first number of times of detection is greate

Assignees

• Hkc Corp Ltd

Inventors

• Luo Fei
• Li Rongrong

Classifications

• G06F3/0412

  Digitisers structurally integrated in a display · CPC title

• A61L2/24 Primary

  Apparatus using programmed or automatic operation · CPC title

• A61L2202/11

  Apparatus for generating biocidal substances, e.g. vaporisers, UV lamps · CPC title

• A61L2/10 Primary

  Ultraviolet [UV] radiation · CPC title

• Y02A50/20

  Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters · CPC title