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Liquid crystal display device

A technology of liquid crystal display device and liquid crystal display element, which can be used in static indicators, nonlinear optics, optics, etc., and can solve problems such as difficulties

Inactive Publication Date: 2006-06-14
TOSHIBA MATSUSHITA DISPLAY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, even if the pulse width of the reverse transfer preventing voltage is changed in this way, it is difficult to completely prevent the reverse transfer phenomenon.

Method used

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  • Liquid crystal display device
  • Liquid crystal display device
  • Liquid crystal display device

Examples

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Embodiment Construction

[0021] Hereinafter, a liquid crystal display device according to an embodiment of the present invention will be described with reference to the drawings.

[0022] figure 1 The circuit configuration of this liquid crystal display device 100 is schematically shown, figure 2 show figure 1 A partial cross-sectional structural view of the liquid crystal display (LCD) panel 41 shown, image 3 show use figure 2 This is a circuit configuration diagram of an OCB liquid crystal display element 6 that performs partial display in one pixel with the cross-sectional structure shown.

[0023] This liquid crystal display device 100 is connected to an image information processing unit SG serving as an external signal source such as TV equipment or a mobile phone, for example. The image information processing unit SG performs image information processing, and supplies a synchronization signal and a display signal to the liquid crystal display device 100 . In addition, the power supply vo...

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Abstract

The liquid crystal display device of the present invention comprises: the liquid crystal display element part 41 that initializes for making the alignment state of the liquid crystal molecule transfer from the figure-eight alignment to the bend alignment that can display an image, and after the initialization, periodically apply preventive to the liquid crystal display element part. A drive circuit DR for preventing a reverse transition from a bend orientation to a figure-eight orientation and a display voltage corresponding to a display signal from outside. In particular, the driving circuit DR is configured such that the reverse transition prevention driving condition is changed according to the field frequency of the display signal.

Description

technical field [0001] The present invention relates to a liquid crystal display device using an OCB (Optically Compensated Bend) liquid crystal display element for displaying images. Background technique [0002] The liquid crystal display device includes a liquid crystal display panel constituting a matrix of a plurality of OCB liquid crystal display elements. The liquid crystal display panel includes an array substrate covering a plurality of pixel electrodes with an alignment film and arranged in a matrix, an opposite substrate covering an opposite electrode with an alignment film and arranged opposite to the plurality of pixel electrodes, and adjacent to each alignment film. The liquid crystal layer sandwiched between the array substrate and the opposite substrate also has a structure in which a pair of polarizing plates are attached to the array substrate and the opposite substrate through an optical phase difference plate. Here, each OCB liquid crystal display elemen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/133G02F1/13357G02F1/139G09G3/20G09G3/34G09G3/36
CPCG02F1/133603G02F1/1395G02F2203/34G09G3/3413G09G3/3648G09G2300/0486G09G2300/0491G09G2310/0235G02F1/133622G02F1/133G09G3/20G09G3/36
Inventor 中尾健次小岛彻也寺西谦太郎
Owner TOSHIBA MATSUSHITA DISPLAY TECH
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