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LCD device

A liquid crystal display device and liquid crystal layer technology, applied in static indicators, nonlinear optics, instruments, etc., can solve the problems of narrow application range and high energy consumption, and achieve the effect of wide application range and low power consumption

Inactive Publication Date: 2008-06-18
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to overcome the defect that the liquid crystal display device in the prior art either adopts a transmissive structure and consumes a lot of energy, or adopts a reflective device and has a narrow application range, the present invention provides a liquid crystal with two working states of transmissive and reflective display device

Method used

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Embodiment Construction

[0016] Please refer to FIG. 3 , which is a schematic diagram of the see-through working state of the liquid crystal display device of the present invention. The liquid crystal display device 3 includes a liquid crystal panel 30 , a switching device (not shown), a backlight module 350 and a detector 380 . The liquid crystal panel 30 includes an upper substrate 310 , a lower substrate 330 , a liquid crystal layer 320 between the two substrates and a first polarizer 300 disposed on the upper substrate 310 . This conversion device comprises a driving unit 390 made of a driving motor 391 and a transmission belt 392, a second polarizer 340 used as a transmissive film, a reflective film (not shown) made of a quarter wave plate 360 ​​and a reflector 370 marked), the transmissive film 340 and the reflective film are arranged on the transmission belt 392, and the two driving motors 391 can drive the transmission belt 392 to move. The backlight module 350 includes a light source 352 and...

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Abstract

The invention relates to a LCD, having two operating states of transmitting and reflecting, and comprising a LCD panel, a conversion device and a backlight module, where the LCD panel comprises a first polarizing plate and a liquid crystal layer, and the conversion device comprises a driving device, a transmitting film and a reflecting film, where the transmitting and reflecting films are on the driving device. As the LCD is in the transmitting state, the driving device starts to make the transmitting film between the backlight module and the LCD panel; as the LCD is in the reflecting state, the driving device starts to make the reflecting film adjacent to the LCD panel for reflecting environmental light.

Description

【Technical field】 [0001] The invention relates to a liquid crystal display device. 【Background technique】 [0002] Liquid crystal display devices can be classified into transmissive liquid crystal display devices and reflective liquid crystal display devices according to different light sources used. The transmissive liquid crystal display device usually has a backlight module installed on the back of the liquid crystal panel to provide illumination. Since the backlight module consumes a lot of energy, the transmissive liquid crystal display device consumes a lot of energy. The reflective liquid crystal display device uses ambient light to provide illumination, so it consumes less energy, but its display quality will deteriorate when the ambient light is weak, so its application range is limited. [0003] Please refer to figure 1 , is a schematic diagram of a transmissive liquid crystal display device in the prior art. The transmissive liquid crystal display device 1 incl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335G02F1/133G09G3/36
Inventor 张仁淙
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD