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Optica Publishing Group
  • Journal of Display Technology
  • Vol. 9,
  • Issue 1,
  • pp. 3-6
  • (2013)

Driving Scheme Using Bootstrapping Method for Blue-Phase LCDs

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Abstract

We present a new pixel circuit on glass using hydrogenated amorphous silicon (a-Si:H) for driving polymer-stabilized blue-phase liquid crystal displays (BPLCDs). Different from conventional nematics, BPLC demands a large dielectric anisotropy in order to lower the operation voltage. As a result, the pixel's capacitance is increased by ∼10×, which seriously limits the charging capability and optical efficiency. Simulation results show that the average error rate of storage voltage in pixel circuit is below 5.14% for 180 Hz operating frequency.

© 2012 IEEE

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