Apparatus for control liquid crystal timing
AssigneeAu Optronics Corporation
InventorsChih-Yueh Lo, Jyi-Maw Hung
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Abstract
An apparatus for controlling the liquid crystal timing has a back light driving device to provide a constant current. The apparatus for controlling the liquid crystal timing is used to control the liquid crystal display at the specific timing period.
Claims10
An apparatus comprising a liquid crystal timing control circuit and a back light driving device built in together, wherein the liquid crystal timing control circuit is adapted for controlling a liquid crystal timing under a specific timing period to a liquid crystal panel, and the back light driving device includes a function for providing a power with a constant current to drive a plurality of light emitting diodes of a back light source to provide light for the liquid crystal panel, wherein the liquid crystal timing control circuit outputs a timing control signal to the back light driving device for controlling the light emitting diodes of the back light source.
An apparatus, combining a liquid crystal timing control circuit with a back light driving device to be built in the apparatus, wherein the liquid crystal timing control circuit is adapted for controlling a liquid crystal timing under a specific timing period to a liquid crystal panel, the back light driving is adapted for providing a power with a constant current to drive a plurality of light emitting diodes in a back light source to provide light for the liquid crystal panel at the same time, wherein the liquid crystal timing control circuit outputs a timing control signal to the back light driving device for controlling the light emitting diodes of the back light source.
An apparatus comprising a liquid crystal timing control circuit and a back light driving device built in together, wherein the liquid crystal timing control circuit is adapted for controlling a liquid crystal timing under a specific timing period to a liquid crystal panel, and the back light driving device is adapted for directly providing a constant current to a plurality of light emitting diodes of a back light source to provide light for the liquid crystal panel, wherein the liquid crystal timing control circuit outputs a timing control signal to the back light driving device for controlling the light emitting diodes of the back light source.
An apparatus essentially consisting of a liquid crystal timing control circuit and a back light driving device built in together, wherein the liquid crystal timing control circuit is adapted for controlling a liquid crystal timing under a specific timing period to an external liquid crystal panel, and the back light driving device is adapted for providing a power with a constant current to an external back light source in relation to the liquid crystal timing, wherein the liquid crystal timing control circuit outputs a timing control signal to the back light driving device for controlling the light emitting diodes of the back light source.
Dependencies are inferred from the claim text.