한국정보디스플레이학회:학술대회논문집

한국정보디스플레이학회 (The Korean Infomation Display Society)
권호 표지

A New DAC Employing Source-follower type Analog Buffer with P-type Poly-Si TFTs in Active-Matrix Displays

  • Nam, Woo-Jin (School of Electrical Engineering, Seoul National University) ;
  • Jung, Sang-Hoon (School of Electrical Engineering, Seoul National University) ;
  • Kim, Ji-Hoon (School of Electrical Engineering, Seoul National University) ;
  • Shin, Hee-Sun (School of Electrical Engineering, Seoul National University) ;
  • Han, Min-Koo (School of Electrical Engineering, Seoul National University)
  • 발행 : 2004.08.23
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초록

We propose and simulate a new integrated DAC analog buffer composed of only p-type poly-Si TFTs in AMLCD and AMOLED. Proposed circuit employs a voltage level shifter which $V_{OUT}$ has a linear functional relation to $V_{IN}$. The proposed scheme enables to allow a constant $V_{GS}$ of buffer transistor so that the charging speed of pixel data address is improved.

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