DocumentCode
2867802
Title
A 2.6 inch VGA LCD with Optical Input Function using a 1-Transistor Active-Pixel Sensor
Author
Brown, Chris ; Hadwen, B. ; Kato, Hiromi
Author_Institution
Sharp Labs. of Eur., Oxford
fYear
2007
fDate
11-15 Feb. 2007
Firstpage
132
Lastpage
592
Abstract
A 2.6 inch VGA active-matrix LCD has an integrated optical input function. The optical input function may be used for touch input or fingerprint recognition applications and is achieved by integrating image sensor elements within each display pixel. By using a 1-transistor active-pixel sensor, a 30Hz, 300dpi VGA image sensor is integrated within an LCD with an aperture ratio of 40%.
Keywords
image sensors; liquid crystal displays; touch sensitive screens; 2.6 inch; 30 Hz; VGA LCD; active-pixel sensor; fingerprint recognition; image sensor; integrated optical input; touch input; Active matrix liquid crystal displays; Capacitors; Circuits; Image sensors; Liquid crystal displays; Optical sensors; Photodiodes; Substrates; Thin film transistors; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 2007. ISSCC 2007. Digest of Technical Papers. IEEE International
Conference_Location
San Francisco, CA
ISSN
0193-6530
Print_ISBN
1-4244-0853-9
Electronic_ISBN
0193-6530
Type
conf
DOI
10.1109/ISSCC.2007.373623
Filename
4242300
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