P‐31: Pixel Circuit with Backgate Feedback for Deep and Rich Black Expressions on Light‐Emitting Display

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  • Takayuki Nishiyama
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan
  • Kohei Tanaka
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan
  • Kaoru Yamamoto
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan
  • Keiichi Yamamoto
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan
  • Seiichi Uchida
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan
  • Ryo Yonebayashi
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan
  • Tadayoshi Miyamoto
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan
  • Mari Hosokawa
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan
  • Hiromi Katoh
    Sharp Corporation Display Device Company 2613-1 Ichinomoto-cho Tenri Nara 632-8567 Japan

Description

<jats:p>A Pixel Circuit for light‐emitting display is presented. The circuit improves controllability of emission current by a feedback network composed of backgate of the drive transistor. The effect is adjusted by the capacitance ratio of the topgate insulator to the backgate insulator and superimposed when the networks are connected in series.</jats:p>

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