Liquid crystal display controller and liquid crystal display
First Claim
Patent Images
1. A liquid crystal display comprising:
- a liquid crystal panel being either normally white or normally black,a gradation power source supplying voltage depending on said liquid crystal panel,a liquid crystal display controller, which comprises;
an inverter for inverting a digital image input signal;
a selector for choosing and outputting a signal inverted by said inverter and said digital image input signal depending on a switching signal;
a data processor for processing data for showing a signal transmitted by said selector on the liquid crystal panel, the data processor comprising a VT control section for a non-linear conversion; and
a liquid crystal driver for transmitting the digital image input signal data-processed to the liquid crystal panel using electric power supplied by the gradation power source, anda micro processor or a dual in-line package switch outputting a switching signal for inputting the switching signal to the selector depending on the liquid crystal panel.
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Abstract
In a liquid crystal display controller, a digital image input signal is input to the controller for data-processing and output to a liquid crystal driver which drives a liquid crystal panel which can be normally white or normally black. The liquid crystal display controller comprises an inverter for inverting the digital image input signal, a selector for choosing and outputting the signal inverted by the inverter and the digital image input signal depending on a switching signal, and a data processor for controlling the voltage luminance (VT) of the signal transmitted by the selector and transmitting the signal to the liquid crystal driver.
24 Citations
8 Claims
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1. A liquid crystal display comprising:
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a liquid crystal panel being either normally white or normally black, a gradation power source supplying voltage depending on said liquid crystal panel, a liquid crystal display controller, which comprises; an inverter for inverting a digital image input signal; a selector for choosing and outputting a signal inverted by said inverter and said digital image input signal depending on a switching signal; a data processor for processing data for showing a signal transmitted by said selector on the liquid crystal panel, the data processor comprising a VT control section for a non-linear conversion; and a liquid crystal driver for transmitting the digital image input signal data-processed to the liquid crystal panel using electric power supplied by the gradation power source, and a micro processor or a dual in-line package switch outputting a switching signal for inputting the switching signal to the selector depending on the liquid crystal panel. - View Dependent Claims (2)
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3. A liquid crystal display controller adapted to control multiple types of liquid crystal display panels comprising:
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an inverter for inverting a digital image input signal; a selector for choosing and outputting a signal inverted by said inverted and said digital image input signal depending on a switching signal, said switching signal is generated based upon a type of multiple types of liquid crystal display panels; a data process or for processing data for showing a signal transmitted by said selector on one of said multiple types of liquid crystal display panel; a liquid crystal driver for transmitting the digital image input signal data-processed to said one of said multiple types of liquid crystal display panel; and
a micro processor or a dual in-line package switch outputting said switching signal and for inputting said switching signal to the selector depending on said type of multiple types of liquid crystal display panels. - View Dependent Claims (4, 5, 6)
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7. A method for control multiple types of liquid crystal display panels comprising:
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a. determining a type of liquid crystal display panel; b. setting a gradation power supplying voltage depending on said type of liquid crystal display panel; c. generating a digital image input signal based upon said type of liquid crystal display panel; d. processing said digital image input signal; and e. transmitting said processed digital image input signal to said liquid crystal display panel using electric power supplied by said gradation power source, wherein step (c) including the sub-steps of; (i) generating a switching signal based on said type if liquid crystal display panel; (ii) inverting said digital image input signal; and (iii) selecting either said digital image input signal or said inverted digital image input signal based upon said switching signal. - View Dependent Claims (8)
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Specification