Optical fiber backlight module and liquid crystal display

Abstract

The invention provides an optical fiber backlight module and a liquid crystal display. The optical fiber backlight module comprises a back board, a red LED (light emitting diode) light source, a green LED light source, a blue LED light source, multiple groups of optical fibers and prism lenses, wherein the red LED light source, the green LED light source and the blue LED light source are arranged on the side edge of the back board and are successively arranged; the optical fibers are arranged on the back board; the prism lenses are arranged on the optical fibers; the back board is provided with a plurality of grooves which are formed in parallel and are distributed at equal distances; the optical fibers are respectively fixedly arranged in the grooves; each group of optical fibers comprises a red light guide optical fiber, a green light guide optical fiber and a blue light guide optical fiber; the red light guide optical fibers, the green light guide optical fibers and the blue light guide optical fibers are respectively connected with the red LED light source, the green LED light source and the blue LED light source via couplers, and an area light source of three-primary colors (red, green and blue) can be provided for a liquid crystal panel, so that the liquid crystal panel can realize color display without a colorful color filter, a light penetration rate can be improved, and the color saturability of the liquid crystal display is improved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an optical fiber backlight module and a liquid crystal display. Background technique [0002] Liquid Crystal Display (LCD) has many advantages such as thin body, power saving, no radiation, etc., and has been widely used, such as: mobile phone, personal digital assistant (PDA), digital camera, computer screen or notebook computer screen Wait. [0003] Most of the liquid crystal displays currently on the market are backlight liquid crystal displays, which mainly include a backlight module and a liquid crystal panel disposed on the backlight module. The structure of a traditional liquid crystal panel consists of a color filter film substrate (Color Filter), a thin film transistor array substrate (Thin Film Transistor Array Substrate, TFT Array Substrate), and a liquid crystal layer (Liquid Crystal Layer) arranged between the two substrates. Its working principle is to control th...

AI Technical Summary

Problems solved by technology

However, these backlights still need to be equipped with color filters on the CF substrate to achieve color display effects, and the problem of low light utilization caused by color filters has not been improved.

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