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57.3: Distinguished Paper : New Pixel Circuits for Controlling Threshold Voltage by Back‐gate Bias Voltage using Crystalline Oxide Semiconductor FETs
Author(s) -
Kaneyasu Makoto,
Toyotaka Kouhei,
Shishido Hideaki,
Isa Toshiyuki,
Eguchi Shingo,
Miyake Hiroyuki,
Hirakata Yoshiharu,
Yamazaki Shunpei,
Dobashi Masayoshi,
Fujiwara Chieko
Publication year - 2015
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.10363
Subject(s) - threshold voltage , materials science , overdrive voltage , video graphics array , optoelectronics , voltage , transistor , electrical engineering , electronic circuit , biasing , compensation (psychology) , thin film transistor , pixel , cmos , engineering , physics , nanotechnology , optics , psychology , psychoanalysis , layer (electronics)
We devised a threshold voltage compensation pixel circuit using back‐gate bias voltage. Variations in threshold voltage can be reduced to 10% while improving the saturation characteristics of a driving transistor. We fabricated a 5.29‐in Quad‐VGA OLED display using this pixel circuit.