Programmable gamma voltage output devices and display devices
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United States of America Patent
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Feb 6, 2018
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app pub date -
Jul 31, 2015
filing date -
Jul 20, 2015
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Abstract
The present disclosure discloses a programmable Gamma voltage output device having a non-volatile memory (NVM), a controller, a digital signal generation module, a digital to analog converter (DAC), and output verification module. The NVM is configured for duplicating a copy of a corresponding voltage data code when programming the voltage data code. The controller is configured for sending control signals to the digital signal generation module in accordance with the voltage data code. The digital signal generation module is configured for outputting digital signals to the DAC in accordance with the control signals. The DAC is configured for converting the digital signals to a Gamma voltage. The output verification module is configured for verifying whether the Gamma voltage is within a predetermined voltage range. In addition, a display device is also disclosed.
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