Quantum-dot color filter and liquid crystal display device

A liquid crystal display device, color filter technology, applied in the direction of optical filters, optics, nonlinear optics, etc., can solve the problems of narrow color gamut, poor light utilization rate, low transmittance, etc., to improve the efficiency of light Utilization, increase display brightness and transmittance, and widen the effect of color gamut

Active Publication Date: 2015-12-30
SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a quantum dot color filter, which can widen the color gamut, improve the utilization rate of light, improve

Method used

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Embodiment Construction

[0027] In order to further illustrate the technical means adopted by the present invention and its effects, the following describes in detail in conjunction with preferred embodiments of the present invention and accompanying drawings.

[0028] see figure 1 , the present invention first provides a quantum dot color filter, which includes a plurality of pixel units 1, and the pixel unit 1 includes several red sub-pixel regions 2, several green sub-pixel regions 4, and several blue sub-pixels Area 6, and several white sub-pixel areas 8, the red sub-pixel area 2, green sub-pixel area 4, blue sub-pixel area 6, and white sub-pixel area 8 respectively emit red, green, blue, white light;

[0029] Wherein, the red sub-pixel region 2 is composed of first quantum dots emitting red light under blue light excitation, the green sub-pixel region 4 is composed of second quantum dots emitting green light under blue light excitation, and the blue The sub-pixel area 6 is composed of a transpa...

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Abstract

The invention provides a quantum-dot color filter and a liquid crystal display device. The quantum-dot color filter is mainly composed of quantum dot materials, the quantum dot materials are adopted to be matched with blue backlight to achieve the effect that a red sub-pixel area, a green sub-pixel area, a blue sub-pixel area and a white sub-pixel area of the quantum-dot color filter emit red light, green light, blue light and white light respectively, and compared with a traditional color filter composed of color light resistors, the quantum-dot color filter has the advantages that the color gamut can be widened, the light utilization ratio can be improved, and the display brightness and transmittance can be improved. According to the liquid crystal display device, the quantum-dot color filter is arranged in an array substrate or color film substrate, therefore, the color gamut can be widened, the light utilization ratio can be improved, and the display brightness and transmittance can be improved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a quantum dot color filter and a liquid crystal display device. Background technique [0002] A liquid crystal display (Liquid Crystal Display, LCD) has many advantages such as a thin body, power saving, and no radiation, and has been widely used. Such as: LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen or notebook computer screen, etc., occupy a dominant position in the field of flat panel display. [0003] The working principle of the liquid crystal display is to pour liquid crystal molecules between the thin film transistor array substrate (ThinFilmTransistorArraySubstrate, TFTArraySubstrate) and the color filter substrate (ColorFilterSubstrate, CFSubstrate), and apply a driving voltage on the two substrates to control the rotation direction of the liquid crystal molecules , to refract the light from the backlight module to generate a ...

Claims

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Application Information

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IPC IPC(8): G02B5/20G02F1/13357
CPCG02B5/20G02F1/133512G02F1/133514G02F1/133614
Inventor 祝秀芬马小龙兰松
Owner SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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