Current driver and display device

Details Current driver and display device Current driver and display device

2007-10-30

2007-10-30

Mengistu, Amare (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S089000, C345S690000

Reexamination Certificate

active

10817810

ABSTRACT:
A current driver to which image data including a plurality of grayscale values is input and which outputs an electric current according to the grayscale values of the image data, the current driver comprising: a first input section to which a first reference current is input, a current value of the first reference current being changed according to the grayscale values of the image data; a second input section to which a second reference current is input, the second reference current having a current value different from that of the first reference current; and a current divider circuit which uses the second reference current and the first reference current to output an electric current, the electric current having a value equal to or higher than that of the first reference current and equal to or lower than that of the second reference current.

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Japanese Office Action with English translation issued in corresponding Japanese Patent Application No. 2003-319306, dated Mar. 27, 2007.

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