A True 10-bit Data Driver LSI for HDTV TFT-LCDs(Si Devices and Processes,<Special Section>Fundamental and Application of Advanced Semiconductor Devices)
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概要
- 論文の詳細を見る
We present our recent results of the 10-bit data driver LSI for 42-inch diagonal TFT-LCD TV with full HD format. To develop data driver LSIs for a true 10-bit TFT-LCD TV with full HD (1920×1080) format, small chip area, low power consumption, and output uniformity between channels are key problems that must be solved. By applying a two-stage DAC which combines 8-bit resistor-string DAC and 2-bit binary weighted capacitor DAC, the area increase is limited to only 30% compared to the area of 8-bit resistor-string DAC. The output deviation between channels is successfully limited within ±5mV and the driver LSI with 414 outputs consumes the maximum total current of 16mA when driving 42-inch HDTV panel. We confirmed that the picture with 10-bit shades of gray is much more natural than that with 8-bit shades of gray.
- 社団法人電子情報通信学会の論文
- 2006-05-01
著者
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Kwon Oh-kyong
Division Of Electrical And Computer Engineering Hanyang University
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KIM Jin-Ho
Division of Electrical and Computer Engineering, Hanyang University
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CHOI Byong-Deok
Division of Electrical and Computer Engineering, Hanyang University
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Kim Jin-ho
Division Of Electrical And Computer Engineering Hanyang University
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Choi Byong-deok
Division Of Electrical And Computer Engineering Hanyang University
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Kwon Oh‐kyong
Hanyang Univ. Seoul Kor
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Kim Jin‐ho
Division Of Electrical And Computer Engineering Hanyang University
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