Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1994-09-30
2000-09-12
Lao, Lun-Yi
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345138, 345136, 345127, 345 87, 348458, G09G 318
Patent
active
061184292
ABSTRACT:
A liquid crystal display system which can accept display data having a resolution different from that of a screen for the liquid crystal display and display the display data. For example, a CPU outputs display data of 1120.times.780 dots and a liquid crystal panel has a 1024.times.768-dot resolution which is smaller than the display data resolution. The display screen of the liquid crystal panel comprises a linear arrangement of pixels. A data conversion section generates display data for a new horizontal or vertical line based on display data for two horizontal or vertical lines contiguous to each other and repeats replacement of display data of the two lines with the display data of the one line for reducing the number of horizontal lines of one screen and the number of dots of one line so as to match the resolution of the display data output by the CPU with the liquid crystal display. In contrast, if the resolution of the display data is smaller than the screen resolution of the liquid crystal panel, the data conversion section inserts the display data of the new one horizontal or vertical line between the two contiguous lines for enlarging the resolution of the display data.
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Hamada Tatsuzo
Hasegawa Kazuko
Kasai Naruhiko
Mano Hiroyuki
Nishitani Shigeyuki
Hitachi , Ltd.
Lao Lun-Yi
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