Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-06-07
1999-07-13
Hjerpe, Richard A.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 87, 345 89, 345 94, G04G 336
Patent
active
059233125
ABSTRACT:
A driving circuit used in a display apparatus includes a plurality of output circuits for selecting two reference gradation voltages among a plurality of different reference gradation voltages based on display data and outputting an interpolation voltage corresponding to the display data using the two reference gradation voltages; and a plurality of supply lines for supplying the plurality of reference gradation voltages. The supply lines including a plurality of voltage supply lines and a plurality of signal supply lines. One of the plurality of voltage supply lines supplies a voltage having a minimum difference from the voltage of a common electrode of the display apparatus and another of the plurality of voltage supply lines supplies a voltage having a maximum difference from the voltage of the common electrode. The two reference gradation voltages selected by each of the output circuits are supplied by one of a plurality of pairs of supply lines. At least one of the pair has a signal supply line and a supply line having a voltage higher than the signal supply line, and another of the pairs has a signal supply line and a voltage supply line having a voltage lower than the signal supply line.
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Etou Sunao
Okada Hisao
Tanaka Kuniaki
Yamamoto Yuji
Chang Kent
Conlin David G.
Hjerpe Richard A.
Michaelis Brian L.
Sharp Kabushiki Kaisha
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