Liquid crystal display module, manufacturing method thereof and display device

Patent metadata

Field	Value
Publication number	US-10989949-B2
Application number	US-201816337308-A
Country	US
Kind code	B2
Filing date	Sep 19, 2018
Priority date	Jan 2, 2018
Publication date	Apr 27, 2021
Grant date	Apr 27, 2021

Abstract

The present disclosure provides a liquid crystal display module, a manufacturing method thereof and a display device. The liquid crystal display module includes: a cover plate; a TFT array substrate disposed on one side of the cover plate; and an opposite substrate disposed on one side of the TFT array substrate away from the cover plate, a liquid crystal layer being filled between the TFT array substrate and the opposite substrate, the TFT array substrate includes a first portion opposite to the opposite substrate and a second portion extending beyond the opposite substrate, a drive circuit being disposed on one side of the second portion away from the cover plate; a backlight disposed on one side of the opposite substrate away from the TFT array substrate, and a heat shielding layer disposed between the second portion and the backlight.

First claim

What is claimed is:

1. A liquid crystal display module, comprising:
a cover plate;
a TFT array substrate disposed on one side of the cover plate;
an opposite substrate disposed on one side of the TFT array substrate away from the cover plate, a liquid crystal layer being filled between the TFT array substrate and the opposite substrate, wherein the TFT array substrate includes a first portion opposite to the opposite substrate and a second portion extending beyond the opposite substrate, a drive circuit being disposed on one side of the second portion away from the cover plate;
a backlight disposed on one side of the opposite substrate away from the TFT array substrate;
a heat shielding layer disposed between the second portion and the backlight;
a polarizing plate disposed between the cover plate and the TFT array substrate; and
a color filter substrate disposed between the polarizing plate and the TFT array substrate.

2. The liquid crystal display module according to claim 1 , wherein the heat shielding layer comprises an elastic material.

3. The liquid crystal display module according to claim 2 , wherein the elastic material is foam or silica gel froth.

4. The liquid crystal display module according to claim 1 , further comprising:
a first heat conducting plate disposed between the heat shielding layer and the backlight.

5. The liquid crystal display module according to claim 4 , wherein the first heat conducting plate is a graphite flake or a metal plate.

6. The liquid crystal display module according to claim 4 , further comprising:
a second heat conducting plate disposed between the heat shielding layer and the second portion.

7. The liquid crystal display module according to claim 6 , wherein the second heat conducting plate is a graphite flake or a metal plate.

8. The liquid crystal display module according to claim 1 , further comprising:
a light shielding layer disposed within the TFT array substrate and between a TFT circuit of the TFT array substrate and one side face of the TFT array substrate close to the cover plate.

9. The liquid crystal display module according to claim 1 , wherein
the opposite substrate is a color filter substrate.

10. A display device, comprising the liquid crystal display module according to claim 1 .

11. A manufacturing method of a liquid crystal display module, comprising:
providing a TFT array substrate and an opposite substrate, wherein the TFT array substrate is bonded to a cover plate, the TFT array substrate includes a first portion opposite to the opposite substrate and a second portion extending beyond the opposite substrate, a drive circuit is disposed on one side of the second portion away from the cover plate, a polarizing plate is disposed between the TFT array substrate and the cover plate, and a color filter substrate is disposed between the polarizing plate and the TFT array substrate;
disposing a heat shielding layer between the second portion and a backlight; and
filling a liquid crystal layer between the TFT array substrate and the opposite substrate.

12. The manufacturing method according to claim 11 , further comprising:
disposing a first heat conducting layer between the heat shielding layer and the backlight.

13. The manufacturing method according to claim 12 , further comprising:
disposing a second heat conducting plate between the heat shielding layer and the second portion.

14. The manufacturing method according to claim 11 , further comprising:
disposing a light shielding layer within the TFT array substrate and between a TFT circuit of the TFT array substrate and one side face of the TFT array substrate close to the cover plate.

15. The manufacturing method according to claim 11 , wherein
the opposite substrate is a color filter substrate.

Assignees

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

Inventors

• Liu Junhuan
• Yang Ruifeng
• Yang Huaxu
• Cui Libao
• Han Feng

Classifications

• G02F1/133382 Primary

  Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell · CPC title

• G02F1/133512

  Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence) · CPC title

• G02F1/133602

  Direct backlight · CPC title

• G02F1/133308

  Support structures for LCD panels, e.g. frames or bezels · CPC title

• G02F1/133385 Primary

  with cooling means, e.g. fans · CPC title