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Backlight module and display device

A technology for backlight modules and display screens, which is applied in lighting devices, fixed lighting devices, optics, etc., and can solve problems such as reduced display brightness.

Inactive Publication Date: 2013-09-11
BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the additional grating on the display screen, the display brightness will be reduced

Method used

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

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

[0027] The embodiment of the present invention provides a backlight module 1, comprising: a first light guide plate 21 and a second light guide plate 22 stacked; The second light source 12 is oppositely arranged, and the first light source 11 and the second light source 12 are located on opposite sides of the two light guide plates; wherein, in the first light guide plate 21 and the second light guide plate 22 or on the lower surface of the first light guide plate 21 and the second light guide plate 22 is provided with a micro-groove structure 30, and each micro-groove structure 30 on the light guide plate is farther away from the light source opposite to it. The far...

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Abstract

The invention provides a backlight module and a display device and relates to the technical field of display. The backlight module and the display device can realize three-dimensional display without optical gratings. The backlight module comprises a first light guide plate, a second light guide plate, a first light source and a second light source, the first light guide plate and the second light guide plate are stacked, the first light source is opposite to the first light guide plate, the second light source is opposite to the second light guide plate, the first light guide source and the second light guide source are positioned on two opposite sides of the two light guide plates, microgroove structures are formed on each of the upper surfaces of the first light guide plate and the second light guide plate or the lower surfaces of the first light guide plate and the second light guide plate, and the farther the microgroove structures on each light guide plate away from the light source opposite to the light guide plate, the higher the microgroove structures are. The backlight module is applicable to design and manufacture of the display device.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a backlight module and a display device. Background technique [0002] In recent years, stereoscopic display, that is, 3D (three-dimensional) display, has become a major trend in the display field. Compared with ordinary two-dimensional display, 3D technology can make the picture three-dimensional and realistic, and the image is no longer limited to the screen plane, as if it can go out of the screen, so that the audience has an immersive feeling. Although there are many types of 3D display technologies, the basic principles are similar, that is, the left and right eyes of the human eye are used to receive different images, that is, the distance between the two eyes of a person is about 65mm. After seeing different two-dimensional images, the brain superimposes and regenerates the information of different two-dimensional images to form an image with three-dimensional direction ...

Claims

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Application Information

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IPC IPC(8): F21S8/00F21V8/00G02B27/22
CPCG02B5/045G02B6/0038G02B6/0061G02B6/0076H04N13/32
Inventor 龙君刘俊国宋勇
Owner BEIJING BOE OPTOELECTRONCIS TECH CO LTD
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