Unlock instant, AI-driven research and patent intelligence for your innovation.

Diffusion plate, backlight module and assembly method, display device

A technology of backlight module and diffusion plate, which is applied in the directions of installation, optics, and optical components, and can solve the problems of difficult and shortened frame and thickness of direct-type backlight modules

Active Publication Date: 2022-05-31
BEIJING JINGDONGFANG CHAGU ELECTRONICS +1
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention at least partly solves the problem that the frame and thickness of the existing direct-lit backlight module are difficult to be further shortened, and provides a diffusion plate, a backlight module, an assembly method of the backlight module, and a display device

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Diffusion plate, backlight module and assembly method, display device
  • Diffusion plate, backlight module and assembly method, display device
  • Diffusion plate, backlight module and assembly method, display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] see figure 1 , this embodiment provides a diffuser plate 1, including a diffuser plate main body 11, the diffuser plate main body 11 includes opposite light incident surfaces and light outgoing surfaces, and a plurality of side surfaces connected to the light incident surface and the light outgoing surface. The diffuser plate main body 11 is divided into There are a display area and a plurality of peripheral areas surrounding the display area, and each peripheral area corresponds to a side surface.

[0026] The diffuser plate 1 can be applied to a direct type backlight module. The main body 11 of the diffuser plate is used to form a surface light source, and the specific structural features may refer to the diffuser plate in the traditional direct type backlight module. Therefore, the features of the diffuser body 11 are not described in detail. Among them, the light emitted from the display area is used for display. figure 1 The diffuser plate 1 shown has 4 sides wi...

Embodiment 2

[0044] see figure 2 and image 3 , and combine figure 1 , this embodiment provides a backlight module, including the diffuser plate 1 of the first embodiment, an optical film 3 located on the light-emitting side of the diffuser plate main body 11 and limited by the limiting member 12 , and an inlet located on the diffuser plate main body 11 The light panel 2 mounted on the light side and by the mounting member 13 .

[0045] Since the diffuser plate 1 has the functions of limiting the position of the optical film 3 and supporting the light plate 2 at the same time, the backlight module can realize a narrow frame and a light and thin structure.

[0046] Optionally, the closing structure 4 is provided on the light-emitting side of the diffuser plate main body 11 and the side position where the limiting member 12 is not provided, and the light-incident side of the main body of the diffuser plate 1 and the side position where the mounting member 13 is not provided. , the sealin...

Embodiment 3

[0052] see Image 6 and combine figure 2 and image 3 , This embodiment provides an assembly method of a backlight module, using the diffuser plate 1 of Embodiment 1, and the assembly method includes the following steps.

[0053] S1 , placing the optical film 3 on the light-emitting side of the main body 11 of the diffuser plate, wherein the optical film 3 is limited by the limiting member 12 .

[0054] S2. Insert the lamp panel 2 from the lower side of the light incident side of the diffuser body 11 to the lower side of the light incident side of the diffuser body 11 and mount it on the mount 13 .

[0055] S3. Use the sealing structure 4 to seal the optical film 3 on the light-emitting side of the main body of the diffuser 11 and the side position where the limiting member 12 is not provided, and on the light-incident side of the main body of the diffuser 1 and no mounting member 13 is provided. The light panel 2 is closed at the side position.

[0056] It should be note...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a diffusion plate, a backlight module, an assembly method, and a display device, which belong to the field of display technology and can at least partly solve the problem that the existing direct-type backlight module is difficult to be further thinned. The diffuser plate of the present invention includes a diffuser plate main body, at least one stopper and at least two carrying parts; the stoppers are used to limit the position of the optical film, each stopper is located on the light-emitting side of the diffuser main body, each The orthographic projection of the limiter on the main body of the diffusion plate does not overlap with the display area and overlaps with the surrounding area; the mounting parts are used to mount the light board, and each mounting part is located on the light incident side of the diffusion plate main body. The contact surface of the panel body does not overlap with the display area and overlaps with the peripheral area, at least one pair of opposite peripheral areas of the diffuser panel body is provided with mounting parts correspondingly, and at least one peripheral area of ​​the diffuser panel body is not provided with a mounting part .

Description

technical field [0001] The invention belongs to the field of display technology, and in particular relates to a diffuser plate, a backlight module, an assembling method of the backlight module, and a display device. Background technique [0002] The backlight module can provide backlight for liquid crystal display panels and the like. Existing backlight modules can be classified into direct-lit backlight modules and edge-lit backlight modules. Generally, in a direct type backlight module, a back plate and a frame are required to support the light plate and the optical film (eg, upper prism sheet, lower prism sheet, etc.). It is difficult to further shorten the frame and thickness of the existing direct type backlight module. SUMMARY OF THE INVENTION [0003] The present invention at least partially solves the problem that the frame and thickness of the existing direct type backlight module are difficult to further shorten, and provides a diffuser plate, a backlight modul...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13357G02B7/00
CPCG02F1/133606G02F1/133608G02B7/00
Inventor 李亭
Owner BEIJING JINGDONGFANG CHAGU ELECTRONICS