Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1996-10-02
1999-03-02
Zimmerman, Mark K.
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 1, 345 9, 345100, 345 42, G09G 336
Patent
active
058777407
ABSTRACT:
Disclosed is an active-matrix color liquid crystal display (LCD) device capable of reducing loads of peripheral circuits for horizontal scanning control. Six separate active-matrix regions are arranged and integrated on a glass substrate. Two horizontal scan controller circuits are provided such that one acts to a common horizontal scan controller for the left-hand column of three, first to third active-regions, whereas the other is a common controller for the right-hand column of the remaining, fourth to sixth regions. These horizontal scan controllers are designed to operate at different timing schemes from each other causing RGB images formed in the first to third regions and those in the fourth to sixth regions to be superimposed together for projection. With such an arrangement, the horizontal scanning frequency required for one horizontal scan controller can be decreased at half that of a projection image displayable on a viewing screen associated with the LCD device.
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Hirakata Yoshiharu
Teramoto Satoshi
Kovalick Vincent E.
Semiconductor Energy Laboratory Co,. Ltd.
Zimmerman Mark K.
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