Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2011-07-12
2011-07-12
Abdulselam, Abbas (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S082000, C315S169300
Reexamination Certificate
active
07978158
ABSTRACT:
In the case where variations of environmental temperature or variations with time occur depending on characteristics of a light-emitting element, variations are generated in luminance. In the invention, a display device for suppressing effects due to variations of a current value of a light-emitting element, which is caused by variations of environmental temperature and variations with time.A first substrate having a pixel portion in which pixels constituted by a plurality of transistors are arranged in matrix has a source driver for supplying a video signal, a gate driver for selecting a pixel, a power source circuit, and a compensation circuit for compensating variations in characteristics of a light-emitting element. The first substrate is connected to a second substrate through a connecting wire, and the second substrate has a controller and a video memory. The controller is a piece for making a signal which is necessary for a display device to display from image data to be inputted externally such as a CPU by using a video memory as required.
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Fukumoto Ryota
Kimura Hajime
Osame Mitsuaki
Yamazaki Shunpei
Abdulselam Abbas
Fish & Richardson P.C.
Semiconductor Energy Laboratory Co,. Ltd.
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