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Display driver, electro-optical device and drive method therefor

A technology for displaying drivers and driving methods, applied to static indicators, instruments, etc., capable of solving the problems of high power consumption of active matrix liquid crystal panels

Inactive Publication Date: 2005-04-13
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, an active matrix liquid crystal panel using TFT consumes a large amount of power, so it is necessary to reduce its power consumption when it is used as a display part of a portable electronic device driven by a battery such as a mobile phone

Method used

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  • Display driver, electro-optical device and drive method therefor
  • Display driver, electro-optical device and drive method therefor
  • Display driver, electro-optical device and drive method therefor

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Embodiment Construction

[0034] Preferred embodiments of the present invention will be described below with reference to the drawings. In addition, the embodiment described below does not unduly limit the contents of the present invention described in the claims. In addition, not all of the configurations described below are necessarily essential configuration requirements of the present invention.

[0035] 1. Electro-optical device

[0036] figure 1 An outline of the configuration of an electro-optical device including a display driver according to this embodiment is shown. Here, a liquid crystal device is shown as an example of an electro-optical device. The liquid crystal device 100 can be incorporated into a mobile phone, a portable information device (PDA, etc.), a wearable information device (wrist-watch type terminal, etc.), a digital camera, a projector, a portable audio player, a mass storage device, a video camera, a vehicle-mounted device, etc. Various electronic devices such as informa...

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Abstract

The invention discloses a display driver for at least driving scan lines in a display panel with multiple scan lines, multiple data lines and multiple pixels; it includes multiple scan drive units, multiple scan order registers, multiple Coincidence detection circuit. The plurality of scan driving units respectively drive each of the plurality of scan lines. The plurality of scan order registers are respectively connected to each of the plurality of coincidence detection circuits, and store scan order addresses indicating a scan order. A plurality of coincidence detection circuits are respectively connected to each scanning driving unit of the plurality of scanning driving units, and after comparing the scanning order addresses respectively stored in the plurality of scanning order registers with the scanning line address specified by the scanning control signal, The comparison result is output to each of the plurality of scan driving units.

Description

technical field [0001] The invention relates to a scanning driver, an electro-optical device and a driving method. Background technique [0002] For example, a liquid crystal panel is generally used for a display portion of an electronic device such as a cellular phone. With the popularization of mobile phones in recent years, it is necessary to transmit a still picture or a moving picture with a large amount of information on this liquid crystal panel, and the image thereof is required to be of high quality. [0003] An active matrix type liquid crystal panel using a thin film transistor (Thin Film Transistor: hereinafter abbreviated as TFT) is known as a liquid crystal panel for realizing high-quality display of an electronic device. Compared with the simple matrix liquid crystal panel using STN (Super Twisted Nematic) liquid crystal driven dynamically, the active matrix liquid crystal panel using TFT realizes high-speed response, high contrast, and is suitable for displa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/133G09G3/20G09G3/36
CPCG09G3/20G09G3/3674G09G2310/0224G09G2310/0267G09G2310/0283
Inventor 伊藤悟
Owner SEIKO EPSON CORP
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