TW200604985A - Data driving system and method for eliminating offset - Google Patents

Data driving system and method for eliminating offset

Info

Publication number
TW200604985A
TW200604985A TW093133407A TW93133407A TW200604985A TW 200604985 A TW200604985 A TW 200604985A TW 093133407 A TW093133407 A TW 093133407A TW 93133407 A TW93133407 A TW 93133407A TW 200604985 A TW200604985 A TW 200604985A
Authority
TW
Taiwan
Prior art keywords
offset
pixel value
polarity
driving system
data driving
Prior art date
Application number
TW093133407A
Other languages
Chinese (zh)
Other versions
TWI286727B (en
Inventor
Jung-Zone Chen
Ying-Lieh Chen
Chen-Chun Chen
Original Assignee
Himax Tech Inc
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 Himax Tech Inc filed Critical Himax Tech Inc
Priority to TW93133407A priority Critical patent/TWI286727B/en
Publication of TW200604985A publication Critical patent/TW200604985A/en
Application granted granted Critical
Publication of TWI286727B publication Critical patent/TWI286727B/en

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

Abstract

The present invention relates to a data driving system and method for driving a panel. The data driving system comprises: a gamma voltage supply and a D/A converter. The gamma voltage supply produces a plurality of gamma voltages. The D/A converter receives the gamma voltages, a first pixel value and a second pixel value, and converts the first pixel value and the second pixel value to a corresponding gamma voltage in the gamma voltages. When the D/A converter converts the first pixel value, the gamma voltages have a first polarity offset. When the D/A converter converts the second pixel value, the gamma voltages have a second polarity offset. Because the data driving system of the invention periodically switches the first polarity offset and the second polarity offset of the gamma voltage supply, an offset in the driving voltage is eliminated by the first polarity (positive) offset and the second polarity (negative) offset in space and time. Therefore, there is no band mura in the panel.
TW93133407A 2004-07-23 2004-11-02 Data driving system and method for eliminating offset TWI286727B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW93133407A TWI286727B (en) 2004-07-23 2004-11-02 Data driving system and method for eliminating offset

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW93122181 2004-07-23
TW93133407A TWI286727B (en) 2004-07-23 2004-11-02 Data driving system and method for eliminating offset

Publications (2)

Publication Number Publication Date
TW200604985A true TW200604985A (en) 2006-02-01
TWI286727B TWI286727B (en) 2007-09-11

Family

ID=39459380

Family Applications (1)

Application Number Title Priority Date Filing Date
TW93133407A TWI286727B (en) 2004-07-23 2004-11-02 Data driving system and method for eliminating offset

Country Status (1)

Country Link
TW (1) TWI286727B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI415056B (en) * 2009-09-23 2013-11-11 Raydium Semiconductor Corp Driving circuit, electronic display device applying the same and driving method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI410949B (en) * 2009-10-13 2013-10-01 Himax Tech Ltd Method for determining an optimum skew of a data driver and the data driver utilizing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI415056B (en) * 2009-09-23 2013-11-11 Raydium Semiconductor Corp Driving circuit, electronic display device applying the same and driving method thereof

Also Published As

Publication number Publication date
TWI286727B (en) 2007-09-11

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