Backlight module and display device

A backlight module and display module technology, applied in light guides, optics, optical components, etc., can solve problems such as bright spots or bright lines in display devices, so as to avoid specular reflection, improve quality, and eliminate local bright spots or bright lines Effect

Pending Publication Date: 2019-09-17
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a backlight module and a display device to solve technical problems such as bright spots or bright lines appearing on the display device under large viewing angles

Method used

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  • Backlight module and display device
  • Backlight module and display device
  • Backlight module and display device

Examples

Experimental program
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Embodiment Construction

[0048] The following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments that the present application can be used to implement. The directional terms mentioned in this application, such as [top], [bottom], [front], [back], [left], [right], [inside], [outside], [side], etc., are for reference only The orientation of the attached schema. Therefore, the directional terms used are used to illustrate and understand the application, but not to limit the application. In the figures, structurally similar elements are denoted by the same reference numerals.

[0049] see figure 1 , figure 1 It is the first structure diagram of the backlight module of this application.

[0050] The backlight module 100 includes a substrate, a light source 10 on the substrate, and a light guide plate 20 on one side of the light source 10 .

[0051] In one embodiment, the substrate may be constructed of sheet metal material.

[0052] In one em...

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PUM

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Abstract

The invention provides a backlight module and a display device. The backlight module comprises a substrate, a light source positioned on the substrate, and a light guide plate positioned on one side of the light source; the light guide plate comprises a first area located at the edge area of the light guide plate; at least one protrusion is arranged in the first area; and the thickness of the protrusion is gradually increased in a direction from the light source to the light guide plate. According to the backlight module, the inclined surface treatment is carried out at the joint of the adjacent protrusions on the light guide plate, so that the mirror reflection of the light source when passing through the joint is avoided, the technical problems of local bright spots or bright lines of a display corresponding to the backlight module at a large viewing angle are eliminated, and the quality of the product is improved.

Description

technical field [0001] The present application relates to the display field, in particular to a backlight module and a display device. Background technique [0002] Liquid Crystal Display (LCD) is currently the most widely used display product in the market, especially for vehicle display screens. [0003] With the development of vehicle-mounted liquid crystal displays, vehicle-mounted displays tend to be designed with narrow borders. For existing narrow-frame displays, the light guide plate in the backlight module fixes the corresponding optical film by setting steps, and the distance between the steps and the display area of ​​the display is small, resulting in local bright spots on the display under large viewing angles. , bright line and other technical problems affect the quality of the display. [0004] Therefore, there is an urgent need for a backlight module to solve the above technical problems. Contents of the invention [0005] The present application provide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357G02B6/00
CPCG02B6/0015G02B6/002G02F1/1336
Inventor 周政
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
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