首页> 外国专利> ELECTRO-OPTICAL DEVICE FOR PREVENTING MUTUAL EFFECTS OF POTENTIAL CHANGES DUE TO PARASITIC CAPACITANCES BETWEEN ADJACENT THIN FILM TRANSISTORS IN A SAMPLING CIRCUIT AND AN ELECTRONIC APPARATUS

ELECTRO-OPTICAL DEVICE FOR PREVENTING MUTUAL EFFECTS OF POTENTIAL CHANGES DUE TO PARASITIC CAPACITANCES BETWEEN ADJACENT THIN FILM TRANSISTORS IN A SAMPLING CIRCUIT AND AN ELECTRONIC APPARATUS

机译:用于防止采样电路和电子装置中相邻的薄膜晶体管之间的寄生电容引起的电位变化的相互影响的光电器件

摘要

PURPOSE: An electro-optical device and an electronic apparatus are provided to prevent mutual effects of potential changes due to parasitic capacitances between adjacent thin film transistors in a sampling circuit, thereby reducing or preventing the occurrence of ghost image due to the parasitic capacitance between adjacent data lines to improve display quality by forming an electromagnetic shield in a region between two adjacent thin film transistors. CONSTITUTION: An image display region and a peripheral region are designated on a substrate. The image display region includes a plurality of scanning lines, a plurality of data lines and a plurality of pixels. A plurality of image signal lines for supplying image signals are located in the peripheral region. And, a sampling circuit is formed in the peripheral region. The sampling circuit includes a plurality of thin film transistors(71). The thin film transistors have drains connected to drain wirings(71D) extended from data lines, sources connected to source wirings(71S) extended from the image signal lines, and gates(71G) sandwiched between the drain and the source wirings. A data line driving circuit supplies sampling circuit driving signals to the gate. Herein, electromagnetic shields(81) are disposed at least in some of regions between two adjacent thin film transistors.
机译:用途:提供一种电光装置和电子设备,以防止由于采样电路中相邻薄膜晶体管之间的寄生电容引起的电位变化的相互影响,从而减少或防止由于相邻电容之间的寄生电容引起的重影的发生数据线通过在两个相邻的薄膜晶体管之间的区域中形成电磁屏蔽来提高显示质量。构成:在基板上指定了图像显示区域和外围区域。图像显示区域包括多条扫描线,多条数据线和多个像素。用于提供图像信号的多条图像信号线位于外围区域中。并且,在外围区域中形成采样电路。采样电路包括多个薄膜晶体管(71)。薄膜晶体管的漏极连接到从数据线延伸的漏极布线(71D),源极连接到从图像信号线延伸的源极布线(71S),并且栅极(71G)夹在漏极和源极布线之间。数据线驱动电路将采样电路驱动信号提供给栅极。这里,电磁屏蔽件(81)至少布置在两个相邻的薄膜晶体管之间的一些区域中。

著录项

  • 公开/公告号KR20050021887A

    专利类型

  • 公开/公告日2005-03-07

    原文格式PDF

  • 申请/专利权人 SEIKO EPSON CORPORATION;

    申请/专利号KR20040067821

  • 发明设计人 ISHII KENYA;

    申请日2004-08-27

  • 分类号G02F1/133;

  • 国家 KR

  • 入库时间 2022-08-21 22:05:44

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