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Displaying driver and photoelectric appts.

A display driver and optoelectronic device technology, applied to static indicators, instruments, etc., can solve the problem of not being able to change the order of grayscale data, and achieve the effects of simple composition and control, simple generation, and easy installation

Inactive Publication Date: 2007-12-12
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, the existing display driver cannot change the order of the grayscale data supplied corresponding to each data line. When using the existing display driver to drive the comb wiring LCD panel, it is necessary to add a dedicated data encoder IC.

Method used

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  • Displaying driver and photoelectric appts.
  • Displaying driver and photoelectric appts.
  • Displaying driver and photoelectric appts.

Examples

Experimental program
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Embodiment Construction

[0042]The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below do not unduly limit the content of the invention described in the claims. Furthermore, not all the constituents described below are essential constituents of the present invention.

[0043] 1. Photoelectric device

[0044] Fig. 1 shows an outline of the constitution of the photovoltaic device in this embodiment. Here, the photoelectric device is described by taking a liquid crystal device as an example. Liquid crystal devices can be used in mobile phones, portable information devices (PDA, etc.), digital cameras, projectors, portable audio players, mass storage devices, video recorders, electronic notebooks, or GPS (Global Positioning System: Global Positioning System) and other on electronic equipment.

[0045] The liquid crystal device 10 includes an LCD panel (in a broad sense, it refers to a display pane...

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PUM

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Abstract

A comb-tooth drive is realized by a display driver which drives data lines. The display driver includes a gray-scale bus to which gray-scale data is supplied corresponding to an arrangement order of the data lines, first and second clock lines to which a first or second shift clock is supplied, a first and second shift registers which shift signals in first and second shift directions based on first and second shift clocks, first and second data latches which latch the gray-scale data based on the shift output of the first and second shift registers, a data line driver circuit which drives the data lines based on latch data of each data latch, and a clock switch circuit which selectively outputs the first and second shift clocks based on a given mode setting signal.

Description

technical field [0001] The invention relates to a display driver and a photoelectric device. Background technique [0002] A display panel (referred to as a display device in a broad sense) typified by a liquid crystal display (Liquid Crystal Display: LCD) panel is mounted on a mobile phone or a personal digital assistant (PDA). In particular, compared with other display panels, LCD panels are more compact, lightweight, low power consumption, and low cost, and are used in various electronic devices. [0003] Considering the clarity of images displayed by the LCD panel, the size of the LCD panel needs to be greater than or equal to a certain fixed size. On the other hand, when installing it on electronic equipment, it is desired that the installation size of the LCD panel be as small as possible. [0004] Such an LCD panel capable of reducing the mounting size is a so-called comb wiring LCD panel. [0005] An effective way to reduce the installation size of the LCD panel i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/20G02F1/133G09G3/36
CPCG09G3/20G09G3/3688G09G2310/02G09G2310/0275
Inventor 鸟海裕一森田晶
Owner SEIKO EPSON CORP