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US 2010/0134472 A1Published application
Flat panel display device
AssigneeInnolux Display Corp.
InventorsYUNG-YI CHANG, SHIH-HSIN WANG
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Abstract
A flat panel display device includes an image processing circuit, a power supply, and a gamma voltage generator. The image processing circuit receives grayscale data, identifies a range in which a gray level of the grayscale data is located, and generates a reference signal based on the range. The power supply supplies a drive voltage based on the reference signal. The gamma voltage generator generates a set of gamma voltages based on the drive voltage.
Claims20
A flat panel display device, comprising:
- a image processing circuit operable to receive grayscale data, identify a range in which a gray level of the grayscale data is located, and generate a reference signal based on the range;
- a power supply operable to supply a drive voltage based on the reference signal;
- and
- a gamma voltage generator operable to generate a set of gamma voltages based on the drive voltage.
1 more element
A flat panel display device, comprising:
- an image processing circuit operable to receive grayscale data, and generate a first reference signal according to a first part of the grayscale data belonging to a first time sequence and a second reference signal according to a second part of the grayscale data belonging to a second time sequence, the second part of the grayscale data having different image characteristics from the first part of the grayscale data;
- a power supply configured for supplying a first drive voltage and a second drive voltage based on the first reference signal and the second reference signal;
- and
- a gamma voltage generator configured for generating a first set of gamma voltages and a second set of gamma voltages according to the first drive voltage and the second drive voltage;
- wherein when a gray level of the first part is lower than that of the second part, the first drive voltage exceeds the second drive voltage.
2 more elements
Dependencies are inferred from the claim text.