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Integrated circuit device and electronic instrument

A technology for integrated circuits and generating circuits, which is applied in the direction of circuits, electrical components, and electrical solid devices, which can solve problems such as installation difficulties, achieve the effects of preventing circuit misoperation and improving wiring efficiency

Inactive Publication Date: 2007-01-10
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if only the integrated circuit device of the display driver is reduced by reducing the process to achieve the purpose of reducing the chip size, it will bring a series of problems such as difficulty in installation.

Method used

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  • Integrated circuit device and electronic instrument
  • Integrated circuit device and electronic instrument
  • Integrated circuit device and electronic instrument

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Experimental program
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Embodiment Construction

[0066] Preferred embodiments of the present invention will be described in detail below. Furthermore, the present embodiment described below is not limited to the contents of the present invention described in the scope of claims, and it is not limited that all the configurations described in the present embodiment are essential solutions of the present invention.

[0067] 1. Comparative example

[0068] figure 1 (A) shows an integrated circuit device 500 as a comparative example of the present embodiment. figure 1 The integrated circuit device 500 of (A) includes a memory block MB (display data RAM) and a data drive block DB. Furthermore, the memory block MB and the data drive block DB are arranged along the direction D2. In addition, the length of the memory block MB and the data drive block DB in the D1 direction is longer than the width in the D2 direction, and they are ultra-flat blocks.

[0069] Image data from the host side is written into the memory block MB. Then...

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PUM

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Abstract

The invention provides an integrated circuit device and an electronic device capable of reducing the circuit area. The integrated circuit device includes first to Nth circuit blocks CB 1 to CBN, a first interface region disposed on the D2 side of the first to Nth circuit blocks CB 1 to CBN along the fourth side, and a second interface region disposed on the D4 side of the first to Nth circuit blocks along a second side. A local line LLG formed on the wiring layer lower than the Ith layer is provided between the adjacent circuit blocks as at least one of a signal line and a power supply line. The global lines GLG and GLD formed on the Ith or higher wiring layer are provided along the direction D1 over the circuit block disposed between the nonadjacent circuit blocks as at least one of a signal line and a power supply line.

Description

technical field [0001] The present invention relates to integrated circuit devices and electronic equipment. Background technique [0002] There is known a display driver (LCD driver) as an integrated circuit device for driving a display panel such as a liquid crystal panel. In such a display driver, it is required to reduce the chip size in order to reduce the cost. [0003] However, the size of a display panel incorporated in a mobile phone or the like is substantially constant. Therefore, if the purpose of reducing the chip size is achieved by simply reducing the integrated circuit device of the display driver by reducing the process, it will bring a series of problems such as difficulty in installation. [0004] Patent Document 1: JP-A-2001-222249 Contents of the invention [0005] The present invention aims to solve the above-mentioned technical problems, and aims to provide an integrated circuit device capable of reducing the circuit area and electronic equipment ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36G09G3/20G02F1/133H01L27/00
Inventor 伊藤悟森口昌彦前川和广井富登小平觉唐泽纯一熊谷敬石山久展藤濑隆史
Owner SEIKO EPSON CORP