Display device and driving method thereof

Details Display device and driving method thereof Display device and driving method thereof

2005-11-28

2010-10-12

Abdulselam, Abbas I (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S082000, C345S204000, C315S169300

Reexamination Certificate

active

07812794

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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