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Bistable state liquid crystal display apparatus

A bistable liquid crystal and display device technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as cost

Inactive Publication Date: 2010-11-03
WINTEK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, the anchoring force layer is a micro-patterned surface. For the display industry that requires mass production, setting the anchoring force layer will cost a lot of equipment and maintain its pass rate.

Method used

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  • Bistable state liquid crystal display apparatus
  • Bistable state liquid crystal display apparatus
  • Bistable state liquid crystal display apparatus

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Embodiment Construction

[0021] Relevant detailed content and technical description of the present invention, now in conjunction with accompanying drawing, explain as follows:

[0022] see figure 1 Shown is a schematic diagram of the liquid crystal display device of the present invention. The present invention is a bistable liquid crystal display device, which is a liquid crystal display device driven by driving signals combined with different frequencies. The device includes: an upper substrate 11 and a lower substrate 12, the upper substrate 11 and the lower substrate 12 are mutually Correspondingly arranged; and the corresponding surfaces of the upper substrate 11 and the lower substrate 12 are respectively provided with electrode layers 21, 22 formed by a transparent indium tin oxide (indium tinoxide, ITO); and coated (Coated) are respectively provided Alignment layer 31, 32 material (such as RN-1338 produced by Nissan Chemicals Co.) on the opposite surface of the electrode layer 21, 22, the alig...

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Abstract

The invention discloses a bistable crystal display device and a driving method thereof, which is an LCD with the dual-frequency liquid crystal molecules. The driving method sends a first driving signal with a first frequency for the signal source of the LCD to make the liquid crystal molecules form a stable inclined straightforward state after stopping the first driving signal, and sends a seconddriving signal with a second frequency which is combined with the first frequency to make the liquid crystal molecules form stable torsion state after stopping the second driving signal. The liquid crystal molecules are in the conversion of two stable states i.e. the inclined straightforward state and the torsion state through the conversion of the driving signals in the different frequency combination and further the image of the display device presents dark or bright.

Description

[0001] This application is a divisional application of the invention patent application with the application number 200510064720.5, the application date is April 18, 2005, and the invention title is "a bistable liquid crystal display device and its driving method". technical field [0002] The invention relates to a bistable liquid crystal display device and a driving method thereof, mainly through the conversion of two driving signals combined with different frequencies, so that the liquid crystal molecules in the liquid crystal layer present two stable states: a tilted forward state and a twisted state. Conversion, used to display the dark state and bright state of the screen. Background technique [0003] Currently, liquid crystal displays (Liquid Crystal Displays, LCDs), especially thin film transistor (Thin Film Transistor, TFT) displays (TFT LCDs), have been widely used in electronic products such as personal computers and notebook computers. Although TFT manufacturers...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1337G02F1/139G02F1/1335
Inventor 徐芝珊梁宝芝王淑霞刘锦璋
Owner WINTEK CORP