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Electrophoretic display device and driving method thereof

An electrophoretic display and driving voltage technology, applied in static indicators, instruments, etc., can solve the problems of critical voltage offset, reduce the reliability and service life of electrophoretic display devices, and achieve the effect of improving reliability and service life

Active Publication Date: 2010-06-16
AU OPTRONICS CORP
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  • Summary
  • Abstract
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Problems solved by technology

However, when the electrophoretic display device is in operation, because the accumulation time of each gate signal at the low reference voltage is much longer than the accumulation time at the high reference voltage, that is, the data switch is subjected to the voltage stress of the low reference voltage for a long time, so it is easy Causes a threshold voltage shift, thereby reducing the reliability and service life of the electrophoretic display device

Method used

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  • Electrophoretic display device and driving method thereof
  • Electrophoretic display device and driving method thereof
  • Electrophoretic display device and driving method thereof

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Embodiment Construction

[0056]In the following, the electrophoretic display device and its driving method according to the present invention will be described in detail with reference to specific embodiments with accompanying drawings, but the provided embodiments are not intended to limit the scope of the present invention, and the step numbers of the method flow are not used for The order of execution is limited, and any method with equal efficacy produced by recombining the execution flow of the method steps is within the scope of the present invention.

[0057] figure 1 It is a schematic diagram of the electrophoretic display device according to the first embodiment of the present invention. Such as figure 1 As shown, the electrophoretic display device 100 includes a gate driving circuit 110 , a data driving circuit 120 , a plurality of gate lines 115 , a plurality of data lines 125 , a controller 130 , a driving voltage generator 140 and a pixel array unit 190 . The pixel array unit 190 includ...

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Abstract

The invention discloses an electrophoretic display device with a critical voltage offset compensation function. The electrophoretic display device comprises a grid drive circuit, a data drive circuit, a controller and a pixel array, wherein the grid drive circuit provides a plurality of grid signals according to a scanning control signal; the data drive circuit provides a plurality of data signals according to a data control signal; the controller is used to provide the scanning control signal and the data control signal; and the pixel array is used to display images according to the multiple grid signals and data signals. During the operation of the electrophoretic display device of the invention, each frame time also contain the compensation frame time to perform the critical voltage offset compensation operation for multiple data switches of the pixel array unit, thus the reliability and service life of the electrophoretic display device can be significantly improved.

Description

technical field [0001] The present invention relates to an electrophoretic display device and its driving method, in particular to an electrophoretic display device with critical voltage offset compensation function and its driving method. Background technique [0002] Flat Panel Displays have the advantages of light and thin appearance, power saving and no radiation, so they are widely used in electronic products such as computer screens, mobile phones, personal digital assistants (PDAs), and flat-panel TVs. In recent years, display manufacturers have developed electrophoretic display devices (also known as electronic paper) to further provide thinner, softer and more portable displays. Generally speaking, an electrophoretic display device includes a gate driving circuit, a data driving circuit and a plurality of pixels. The gate driving circuit is used for providing multiple gate signals, and the data driving circuit is used for providing multiple data signals. Each pixe...

Claims

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Application Information

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IPC IPC(8): G09G3/34
Inventor 黄章佑魏全生陈培铭陈俊雄黄伟明
Owner AU OPTRONICS CORP
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