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Design on AM-OLED display control ASIC with high gray scale levels |
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| Authors: | JI Yuan RAN Feng XU Hong-guang SHEN Wei-xing JI Wei-gui XU Mei-hua |
| Institution: | 1. School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, P. R. China 2. School of Mechatronics Engineering and Automation, Shanghai University, Shanghai 200072, P. R. China ;Micro-electronics Research and Development Center, Shanghai University, Shanghai 200072, P. R. China 3. SVA ELECTRON Co., Ltd., Shanghai 200072, P. R. China |
| Abstract: | The paper puts forward a method on controlling the AM-OLED panel to display image with high gray scale levels. It also gives an ASIC design sample to implement this method. A twenty sub-fields scan scheme has been taken into use in the chip to display 256 gray scale levels on a QVGA resolution AM-OLED display screen. The functions of image scaling and rotating have also been implemented for multiply application. The simulation and chip test result show that the chip design has met the design requirements. |
| Keywords: | active matrix organic light emitting display (AM-OLED) ASIC design gray scale level sub-field image scaling image rotation |
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