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Line inversion-based mobile TFT-LCD driver IC with accurate quadruple-gamma-curve correction
- Authors
- Woo J.-H.[Woo J.-H.]; Lee J.-G.[Lee J.-G.]; Kim I.-S.[Kim I.-S.]; Jun Y.-H.[Jun Y.-H.]; Hwang G.-C.[Hwang G.-C.]; Lee M.-H.[Lee M.-H.]; Kong B.-S.[Kong B.-S.]
- Issue Date
- 2011
- Citation
- 2011 Proceedings of Technical Papers: IEEE Asian Solid-State Circuits Conference 2011, A-SSCC 2011, pp.341 - 344
- Journal Title
- 2011 Proceedings of Technical Papers: IEEE Asian Solid-State Circuits Conference 2011, A-SSCC 2011
- Start Page
- 341
- End Page
- 344
- Abstract
- Line inversion-based mobile TFT-LCD driver IC with novel quadruple-gamma-curve correction is presented. The driver IC allows for a cost-effective accurate curve correction for multiple gamma values of γ 1.0, γ 1.8, γ 2.2, and γ 2.5 by adopting novel voltage-symmetric gray curve synthesis and variable reference resistor-tap biasing schemes. A test chip in a 6 V/0.7-μm triple-well CMOS process indicated a gray voltage error of ±8 mV with gray-to-gray error difference under ±3 mV. © 2011 IEEE.
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Related Researcher
- KONG, BAI SUN
- Information and Communication Engineering (Semiconductor Systems Engineering)