ELECTRO-OPTICAL DEVICE AND ELECTRONIC DEVICE

Title:

ELECTRO-OPTICAL DEVICE AND ELECTRONIC DEVICE

Document Type and Number:

Japanese Patent JP2004170921

Kind Code:

A

Abstract:

To display a high quality image without display unevenness, flickering or the like by increasing an accumulated capacity while maintaining a high opening rate in an electro-optical device.

The electro-optical device comprises a pixel electrode on a TFT array substrate, TFT including a semiconductor layer (1a) connected thereto, a scanning line and data line connected to TFT, and the accumulated capacity (70) comprising an upper electrode (300) and a lower electrode (71) sandwiching a dielectric film and connected to the pixel electrode by one of the upper electrode and the lower electrode. The cross sectional shape of the accumulated capacity includes a projection shape. Consequently, the area can be increased only by nearly 2HL larger than the accumulated capacity in the case that a shown three-dimensional part does not exist.

Inventors:

IKI TAKUSOKU
TSUNEKAWA YOSHIFUMI
HAYASHI TOMOHIKO

Application Number:

JP2003321793A

Publication Date:

June 17, 2004

Filing Date:

September 12, 2003

Export Citation:

Click for automatic bibliography generation Help

Assignee:

SEIKO EPSON CORP

International Classes:

G02F1/133; G02F1/1362; G02F1/1368; G02F1/1333; G02F1/167; G09F9/30; G09G3/06; G09G3/30; H01L29/04; H05B33/00; (IPC1-7): G02F1/1368; G02F1/1333; G09F9/30

Domestic Patent References:

JPH10197897A	1998-07-31
JPH10274789A	1998-10-13
JP2001066631A	2001-03-16
JPH0961851A	1997-03-07
JP2002098409A	2002-04-05
JP2001013518A	2001-01-19

Attorney, Agent or Firm:

Masahiko Ueyanagi
Fujitsuna Hideyoshi
Osamu Suzawa

Previous Patent: ELECTRO-OPTICAL DEVICE AND ELECTRONIC EQUIPMENT

Next Patent: WAVEGUIDE EMBEDDED OPTICAL CIRCUIT AND OPTICAL ELEMENT USED THEREFOR