Semiconductor integrated circuit and display apparatus

Details Semiconductor integrated circuit and display apparatus Semiconductor integrated circuit and display apparatus

1994-02-15

1995-04-11

Oberley, Alvin E.

Computer graphics processing and selective visual display system

Display driving control circuitry

Physically integral with display elements

345211, 345 55, G09G 302

Patent

active

054063124

ABSTRACT:
The evenness of the brightness of a display apparatus is enhanced. A drive control signal generation circuit supplies drive control signals to drive circuits, respectively. Drive power source input pads are connected to each other by a drive power source line in a chip, and provided with potentials from the same power source outside the chip. The drive circuits respectively comprise drive circuit input terminals which are connected at predetermined intervals to the drive power source line. Under the control of the drive control signals, the drive circuits transmit potentials received at the drive circuit input terminals to drive signal output pads, respectively. A difference in drive output impedance between the drive signal output pads is thereby suppressed.

REFERENCES:
patent: 4740165 (1988-04-01), Tomino et al.
patent: 4812837 (1989-03-01), Shiraishi et al.

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