• Title/Summary/Keyword: APNSc

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High Speed Displays Based on a Nonchiral Smectic C Liquid Crystal in an Antiparallel Planar Geometry

  • Jeong, Cherl-Hyun;Na, Jun-Hee;Yoon, Tae-Young;Yu, Chang-Jae;Lee, Sin-Doo
    • 한국정보디스플레이학회:학술대회논문집
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    • 2005.07a
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    • pp.571-574
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    • 2005
  • We demonstrated a high speed liquid crystal (LC) display mode based on a nonchiral smectic C LC in an antiparallel planar geometry. In this antiparallel planar nonchiral smectic C (APNSC) LC mode, analog gray scales and wide viewing properties are achieved using a stepwise thermal annealing process (STAP). Because of an initially stable LC alignment in large area through the STAP, the APNSC LC mode exhibits the characteristics of fast response and high contrast ratio. This new APNSC mode is suitable for processing the dynamic image at a video rate in the next-generation LCDs.

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Development of Reliable Push Notification Middleware and Module based on Smart Phone (스마트폰 기반의 신뢰성 있는 Push Notification 미들웨어 및 모듈 개발)

  • Jung, Joon-Seok;Kim, Tae Yong
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.18 no.3
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    • pp.754-760
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    • 2014
  • Push Notification Service technology is to provide platform competition rather than unit-based technology. In Korea, only the type of a service using the technology provided by this main platform has been studied and the study of the based technology has not been developed consistently. In this paper, new types of Push Notification Service capable of domestic technology acquisition was proposed and designed.