Backlight drive circuit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 9, 2018
Issued Date -
N/A
app pub date -
Mar 11, 2014
filing date -
Mar 26, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A backlight drive circuit supplies drive current to a plurality of backlights, each of the backlights is extinguished before a signal voltage is written to a liquid crystal pixel group of a line corresponding to the backlight, each drive current in the lit period of each of the backlights is a first current when the adjustment value is a first adjustment value and a second current whose current value is higher than the first current when the adjustment value is a second adjustment value that is lower than the first adjustment value, and the lighting duty ratio to obtain a given luminance using the second current is smaller than the lighting duty ratio to obtain the luminance using the first current.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully