TW200713175A - Common voltage modification circuit and the method thereof - Google Patents

Common voltage modification circuit and the method thereof

Info

Publication number
TW200713175A
TW200713175A TW094133030A TW94133030A TW200713175A TW 200713175 A TW200713175 A TW 200713175A TW 094133030 A TW094133030 A TW 094133030A TW 94133030 A TW94133030 A TW 94133030A TW 200713175 A TW200713175 A TW 200713175A
Authority
TW
Taiwan
Prior art keywords
common voltage
voltage
modification circuit
voltage modification
output voltage
Prior art date
Application number
TW094133030A
Other languages
Chinese (zh)
Other versions
TWI271685B (en
Inventor
Yu-Cheng Chen
I-Cheng Shih
Tai-Ming Lin
Original Assignee
Chunghwa Picture Tubes Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chunghwa Picture Tubes Ltd filed Critical Chunghwa Picture Tubes Ltd
Priority to TW94133030A priority Critical patent/TWI271685B/en
Application granted granted Critical
Publication of TWI271685B publication Critical patent/TWI271685B/en
Publication of TW200713175A publication Critical patent/TW200713175A/en

Links

Landscapes

  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)

Abstract

A common voltage modification circuit and a method thereof are provided. The present invention is characterized in that an output voltage is provided to a storage capacitor in each of the pixels in a thin-film transistor liquid crystal display (TFT LCD) based on a predetermined voltage and a common voltage. Wherein a liquid crystal capacitor of each pixel is electrically connected to the common voltage. In addition, the phase and amplitude of the output voltage are same as the phase and amplitude of the common voltage. Finally, the result of subtracting the output voltage from the common voltage is equal to the absolute value of the predetermined voltage.
TW94133030A 2005-09-23 2005-09-23 Common voltage modification circuit and the method thereof TWI271685B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW94133030A TWI271685B (en) 2005-09-23 2005-09-23 Common voltage modification circuit and the method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW94133030A TWI271685B (en) 2005-09-23 2005-09-23 Common voltage modification circuit and the method thereof

Publications (2)

Publication Number Publication Date
TWI271685B TWI271685B (en) 2007-01-21
TW200713175A true TW200713175A (en) 2007-04-01

Family

ID=38435298

Family Applications (1)

Application Number Title Priority Date Filing Date
TW94133030A TWI271685B (en) 2005-09-23 2005-09-23 Common voltage modification circuit and the method thereof

Country Status (1)

Country Link
TW (1) TWI271685B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI397893B (en) * 2007-06-29 2013-06-01 Japan Display West Inc Liquid crystal device
US9697784B2 (en) 2006-07-03 2017-07-04 Japan Display Inc. Liquid crystal device, method of driving liquid crystal device, and electronic apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8081178B2 (en) * 2007-07-10 2011-12-20 Sony Corporation Electro-optical device, driving circuit, and electronic apparatus
TWI413080B (en) * 2009-06-22 2013-10-21 Chunghwa Picture Tubes Ltd Common voltage generating circuit of an lcd
US11101796B2 (en) 2020-01-06 2021-08-24 Diodes Incorporated Gate drive apparatus and control method
CN113078888B (en) * 2020-01-06 2024-04-19 达尔科技股份有限公司 Gate driving apparatus and control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9697784B2 (en) 2006-07-03 2017-07-04 Japan Display Inc. Liquid crystal device, method of driving liquid crystal device, and electronic apparatus
TWI397893B (en) * 2007-06-29 2013-06-01 Japan Display West Inc Liquid crystal device

Also Published As

Publication number Publication date
TWI271685B (en) 2007-01-21

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees