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Backlight module and display device

A backlight module, green light technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems of large wavelength range of three primary colors, low brightness, small color gamut of display devices, etc., to improve display brightness, improve color gamut, The effect of increasing the brightness of red light

Active Publication Date: 2021-05-28
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of this application is to provide a backlight module and a display device to solve the problem that the wavelength range of the three primary colors of the backlight module is relatively large and the color gamut of the display device is small and the brightness is low

Method used

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

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application.

[0021] Please also refer to Figure 1 to Figure 4 , the present application provides a display device, including a backlight module 10 and a display panel (not shown) in the following embodiments. Wherein, the backlight module is used to provide a light source to the display panel. Figure 1 to Figure 4 The illustrated backlight module is a direct type backlight module, which is generally suitable for large-sized display devices such as televisions. However, the backlight module of the present application can also be used as a side-type backlight module, which is suitable for small-sized display devices such as mobile phones or tablet computers. The backlight module of the present application can enhance the brightness of red light, green light and blue ligh...

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Abstract

The application discloses a backlight module and a display device, which include a light emitting unit, a green light emitting layer and a diffusion sheet. The green light-emitting layer is arranged on the light-emitting unit and between the light-emitting unit and the diffusion sheet. Wherein, the light-emitting unit emits light to the green light-emitting layer, and the green light-emitting layer absorbs part of the light emitted by the light-emitting unit to excite green light, and the diffusion sheet is excited by the green light to emit red light.

Description

technical field [0001] The present application relates to the field of display technology, in particular to a backlight module and a display device. Background technique [0002] Liquid crystal display devices are widely used for their advantages of power saving and small size, and it is a major trend in the development of liquid crystal display devices to perfectly reproduce rich and colorful colors in display devices, which also means that the color gamut Coverage requirements are getting higher and higher. A liquid crystal display device generally includes a display panel and a backlight module. The method for improving the color gamut of a liquid crystal display device is mainly realized through a color filter layer (Color Filter, CF), including replacing a pigment with a dye with a high coloring rate; The thickness of the color film, the method of sacrificing the penetration and reducing the brightness to improve the color gamut, the range of improvement of these metho...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13357
CPCG02F1/133606G02F1/133614
Inventor 查宝曾燚
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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