07786958 is referenced by 16 patents and cites 110 patents.

In an EL display device in which color purity of each of red, blue and green is different, the EL display device displaying an image of a desired balance of red, blue and green is provided. A video signal supplied to each EL element is gamma (γ)-corrected by a correction circuit, the color purity of each of blue luminescence, green luminescence, and red luminescence is suitably controlled in accordance with the voltage and current of the corrected video signal.

Title
EL display device and electronic device
Application Number
9/666521
Publication Number
7786958 (B1)
Application Date
September 20, 2000
Publication Date
August 31, 2010
Inventor
Jun Koyama
Kanagawa
JP
Agent
Husch Blackwell Sanders Welsh & Katz
Assignee
Semiconductor Energy Laboratory
JP
IPC
G09G 3/30
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