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Multiple color low-power consumption reflection-type liquid-crystal display device

A liquid crystal display, low power consumption technology, applied in the field of reflective liquid crystal display devices, can solve the problems of weak reflected light intensity, high power consumption, unsatisfactory display effect, etc., and achieve the effect of improving contrast, reducing brightness and improving display effect

Inactive Publication Date: 2011-03-16
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this reflective liquid crystal display device, the color display is realized through the color filter, but the ambient light loses at least 2 / 3 of the light intensity after passing through the color filter, the reflected light intensity is relatively weak, and the display effect is not ideal; at the same time, When the reflective liquid crystal display device displays a static picture, it must continuously provide power, and the power consumption is relatively large

Method used

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  • Multiple color low-power consumption reflection-type liquid-crystal display device
  • Multiple color low-power consumption reflection-type liquid-crystal display device
  • Multiple color low-power consumption reflection-type liquid-crystal display device

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Embodiment Construction

[0026] see figure 2 , a visible light absorbing layer 8 is arranged at the bottom, and there are three transparent substrates on it. Between the antireflection film 1 and the first transparent substrate 3 is a circular polarizer 2; between the first transparent substrate 3 and the second transparent substrate 5 there is a first liquid crystal layer 4, between the second transparent substrate 5 and the third transparent substrate 5 There is a second liquid crystal layer 6 between the substrates 7; a first vertical alignment layer 9 between the first liquid crystal layer 4 and the first transparent substrate 3, a first vertical alignment layer 9 between the first liquid crystal layer 4 and the second transparent substrate 5 are respectively arranged The first planar alignment layer 10, and the second planar alignment layer 11 located between the second liquid crystal layer 6 and the second transparent substrate 5, and the second vertical alignment layer located between the seco...

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Abstract

The invention discloses a multicolor low power reflective liquid crystal display device, which is characterized in that two liquid crystal layers are arranged by three layers of transparent substrates in a sandwich way, and comprises a first transparent substrate, a first liquid crystal layer, a second transparent substrate, a second liquid crystal layer, and a third transparent substrate, wherein, the first liquid crystal layer and the second liquid crystal layer are cholesteric liquid crystal layers which can reflect lights with different wavelengths, and the center wavelengths of the lights with different wavelengths differ no less than 50nm. The device of the invention can effectively enhance the strength of reflection, and improve display effect, meanwhile, does not need to provide power supply successively when a static picture is displayed, and effectively reduce power consumption.

Description

technical field [0001] The present invention relates to a liquid crystal display device, and more particularly to a reflective liquid crystal display device. Background technique [0002] Compared with the CRT display device, the liquid crystal display device LCD is relatively thin and has low power consumption, and has gradually replaced the CRT display device in various technical fields. After years of development, LCD has formed a huge industry and is widely used in various fields. Twisted nematic liquid crystal display TN-LCD, super twisted nematic liquid crystal display STN-LCD, thin film transistor liquid crystal display TFT-LCD and other transmission type Liquid crystal display devices occupy a large proportion. However, the transmissive liquid crystal display device consumes a lot of power, and more than 60% of the energy is consumed on the backlight. In order to reduce the power consumption and volume of the electronic display device, one of the most effective ways...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/133G02F1/1335G02F1/1337
Inventor 陆红波吕国强胡跃辉
Owner HEFEI UNIV OF TECH
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