Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode
Reexamination Certificate
2006-11-07
2008-05-20
Sefer, A. (Department: 2826)
Active solid-state devices (e.g., transistors, solid-state diode
Field effect device
Having insulated electrode
C257S010000, C257SE21001, C313S34600R, C313S373000, C313S530000, C313S541000
Reexamination Certificate
active
07375400
ABSTRACT:
An image display device is provided in which the overall brightness of an image can be varied without adversely affecting hue and contrast. The image display device includes emitters16connected to a cathode electrode15, a gate electrode13, an anode electrode3, transistors Tr1and Tr2, and a capacitor12. A voltage applied to the capacitor12is varied to display an image. A constant voltage is applied to the gate electrode13to change a time ratio Du. Thus, the overall brightness of an image can be adjusted.
REFERENCES:
patent: 5153483 (1992-10-01), Kishino et al.
patent: 2002/0079802 (2002-06-01), Inoue et al.
patent: 03-295138 (1991-12-01), None
Itoh Shigeo
Nagao Masayoshi
Taniguchi Masateru
Futaba Corporation
National Institute of Advanced Industrial Science and Technology
Quarles & Brady LLP
Sefer A.
Wilson Scott R
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