• 제목/요약/키워드: lgY

검색결과 3,979건 처리시간 0.035초

A new approach to the current regulator design of LED strings based on current mirror

  • Kim, Pu-Jin;Yoo, Min-Ki;Lee, Rok-Hee;Lee, Koo-Hwa;Jang, Kyeong-Kun;Kang, Sin-Ho
    • 한국정보디스플레이학회:학술대회논문집
    • /
    • 한국정보디스플레이학회 2008년도 International Meeting on Information Display
    • /
    • pp.837-840
    • /
    • 2008
  • This paper studies the current regulator of LED Backlighting system for LCD. The proposed regulator and a typical regulator are introduced. To find out the characteristics of two regulators, Prototype samples of LED Backlighting system are made. Both the proposed regulator and a typical regulator are compared with electrical, thermal and optical characteristics each viewpoint.

  • PDF

A Study of Ohmic Contact on Au/Ti/Al/Ti-GaN Multilayer System

  • Kim, Cha-Yeon;Kwon, Hyun-Ja;Kim, Hyun-Ha;Lee, Jeong-Soo;Kim, Sung-Woo;Hong, Chang-Hee;Kim, Dae-Woo;Koo, Baik-Hong;Whang, Chung-Nam
    • 한국진공학회:학술대회논문집
    • /
    • 한국진공학회 1997년도 제12회 학술발표회 논문개요집
    • /
    • pp.42-42
    • /
    • 1997
  • PDF

A Novel WV-TN with Wide Viewing Angle and Fast Response Time for Multi-Functional Monitor

  • Jeong, J.K.;Lee, D.J.;Jung, T.B.;Ko, T.W.;Choi, H.C.;Lee, S.W.
    • 한국정보디스플레이학회:학술대회논문집
    • /
    • 한국정보디스플레이학회 2005년도 International Meeting on Information Displayvol.I
    • /
    • pp.294-296
    • /
    • 2005
  • We developed new WV-TN panel which has 170/170 viewing angle and 8ms response time. This viewing characteristics almost catch up with those of VA. To extend the viewing angle we optimized the cell design and LC parameters. This new technology strongly increase the demand of TN monitors especially for the monitor market larger than 19"

  • PDF

U-Healthcare 분야에서의 EDA 적용 방법 (Event-driven Architecture for Ubiquitous Healthcare)

  • 김은경;최의열;장유진
    • 한국정보처리학회:학술대회논문집
    • /
    • 한국정보처리학회 2009년도 추계학술발표대회
    • /
    • pp.115-116
    • /
    • 2009
  • EDA는 실시간으로 데이터를 이벤트 형태로 처리할 수 있는 아키텍처로, 최근에 이르러 금융, 공공 분야뿐만 아니라 유비쿼터스 산업과 같은 새로운 산업 분야에 다양하게 활용되고 있다. 본 논문에서는 u-Healthcare 영역에 EDA 활용할 수 있는 방법을 제안하였으며 대표적인 EDA 솔루션이 의료 분야에 적용된 사례를 제시하였다.

Research and Development of High Performance 50-inch HD Plasma Display Panel

  • Choi, Kwang-Yeol;Min, Woong-Kee;Rhee, Byung-Joon;Ahn, Byung-Nam;Kim, Je-Seok;Moon, Won-Seok;Park, Min-Soo;Ryu, Byung-Gil;Kim, Sung-Tae;Ahn, Young-Joon;Yang, Sung-Soo;Kim, Kyung-Tae;Lee, Kyu-Sung
    • 한국정보디스플레이학회:학술대회논문집
    • /
    • 한국정보디스플레이학회 2008년도 International Meeting on Information Display
    • /
    • pp.1547-1550
    • /
    • 2008
  • We are suggesting a new index to represent the performance of PDP, such as Specific Performance Index (SPI) that includes luminous efficacy and panel reflectance. High Xe gas mixture and low panel capacitance are well known as key factors to improve luminous efficacy of PDP [1]. However, higher driving voltage and longer discharge time lag is an obstacle when applying these technologies. Modified cell design, new materials and driving waveform enable us to overcome these obstacles. High efficient phosphor is also a key material to improve luminous efficacy. Phosphors coated with pigment are used to reduce panel reflectance. High performance 50-inch HD PDP with luminous efficacy of 2.3 lm/W has been developed.

  • PDF