• 제목/요약/키워드: Display Panel

검색결과 1,759건 처리시간 0.031초

3D/2D convertible color display based on modified integral imaging

  • Kim, Yun-Hee;Cho, Seong-Woo;Lee, Byoung-Ho
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2006년도 6th International Meeting on Information Display
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    • pp.1318-1321
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    • 2006
  • We describe the 3D/2D convertible color display based on modified integral imaging. In the proposed method a color liquid crystal display panel is used as a transmission-type display panel and enables a color 3D/2D convertible display system. The principle of the proposed method will be explained and methods to overcome the color dispersion problem will be discussed also.

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특허 및 논문 분석을 통한 디스플레이용 접착제의 기술경쟁력 분석 (Research Trend of OCA (Optically Clear additive) for Display Panel by Analysis of Patent and Papers Publication)

  • 우창화
    • 반도체디스플레이기술학회지
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    • 제17권3호
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    • pp.75-84
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    • 2018
  • According to IHS, the overall display market is expected to grow at an average annual rate of 6% from $ 104 billion in 2016, to $ 138 billion in 2021. Among them, the OLED display panel will grow from $ 15 billion to $ 41 billion over the same period, forecasting a high annual growth rate of 22%. However, the refraction index, light leakage, bubble generation, adhesion deterioration, peeling phenomenon, moisture resistance, light transmittance, low turbidity. OCA (optically clear adhesive), which solves problems such as improving the resistance of the conductive film, is largely dependent on imported products. In addition, in 2016, the world market is worth KRW4.3 trillion, and the adhesive market has a large market effect. In this study, we tried to analyze the technical competitiveness of patent and thesis by classifying OCA (optically clear adhesive, optical adhesive) for display panel by curing method. As a result of the study, the amount of patents and papers in Korea was found to be superior to other competitors, but the quality level was low. In particular, it was found that the achievements of the papers in the hot melt field are lacking and the government should expand its support.

가상현실 기법을 적용한 평가도구를 활용한 계기반 배치 및 인지 정확도에 관한 연구 (A Study on the Objects Arrangement of Display Panel and the Cognitive Accuracy under the Virtual Reality Evaluation Tool)

  • 김선영;유승동;박범
    • 인지과학
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    • 제11권1호
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    • pp.1-8
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    • 2000
  • 운전자에게 자동차에 관련된 중요한 시각적 정보는 주로 계기반을 통해 제공되어 진다. 이런 계기반이 시인/시계성을 고려하여 설계되어 졌을 때, 운전자는 주행중에 시야 확보 및 자동차 관련 시각정보들을 신속하고 정확하게 인지할 수 있게 된다. 즉 계기반은 운전자의 과제 수행도와 직접적인 관계를 갖는다고 볼 수 있으며, 운전자-자동차간의 상호작용에 관여하는 중요한 장치라고 할 수 있다. 이러한 이유로 외국의 경우는 계기반의 형태와 특성 및 색상까지를 고려한 다방면의 연구가 진행되고 있다. 현재 대부분의 차종이 Analog display의 형태를 따르고 있지만, 위치에 대한 명확한 표준이 없이 각기 다른 형태 및 배치를 갖는다. 따라서 본 연구는 계기반 주요 Object(속도계, 타코미터, 연료계, 온도계)의 배치특성에 대한 운전자의 선호도여부와 계기반 Object의 위치가 운전자에게 영향을 주는 요인여부에 관하여, 본 실험실에서 제작한 평가도구(VISVEC System)를 사용하여 실험하였다. 실험결과로 피험자가 선호하는 배열특성이 인지정확도 여부에 미치는 영향과의 연관성은 볼 수 없었으나, 계기반의 주요 Object는 각각의 영역을 갖는 것이 Visual 정보 인지에 용이하다는 것을 알 수 있었다.

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TFT LCD 검사용 패널링크 디지털 플랫 패널 디스플레이 수신부 구현 (PanelLink Digital Flat Panel Display Receiver for TFT LCD Test)

  • 백운성;이선복;박창수;홍철호
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1998년도 추계학술대회 논문집 학회본부 B
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    • pp.618-620
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    • 1998
  • We implemented PanelLink flat panel display receiver which can be used for testing SXGA($1280{\times}1024$) TFT LCD panel. We've got optimal analog input voltage to get stable image according to cable length. And we commented the way to reduce EMI.

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인듐틴옥사이드와 몰리브데늄을 이용한 외부 기준 저항이 필요 없는 온도센서 (Temperature sensor without reference resistor by indium tin oxide and molybdenum)

  • 전호식;배병성
    • 센서학회지
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    • 제19권6호
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    • pp.483-489
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    • 2010
  • Display quality depends on panel temperatures. To compensate it, temperature sensor was integrated on the panel. The conventional temperature sensor integrated on the panel needs external reference resistor. Since the resistance of external resistor can vary according to the variation of the environment temperature, the conventional temperature sensor can make error in temperature sensing. The environmental temperatures can change by the back light unit, driving circuits or chips. In this paper, we proposed a integrated temperature sensor on display panel which does not need external reference resister. Instead of external reference resistor, we used two materials which have different temperature coefficient in resistivity. They are connected serially and the output voltage was measured at the point of connection with the applied voltage to both ends. The proposed sensor was fabricated with indium tin oxide(ITO), and Mo metal electrode temperature sensor which were connected serially. We verified the temperature senor by the measurements of sensitivity, lineality, hysteresis, repeatability, stability, and accuracy.

OLED display device의 Line Defect 시험법에 관한 연구 (A Study on OLED display device's line defect test methode)

  • 최영태;조재립
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2009년도 춘계학술대회
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    • pp.523-529
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    • 2009
  • The ACF(Anisotropic Conductive Film) is used for bonding Drive IC and OLED display device panel. If ACF bonding process is problem, a malfunction of line defect can occur. Because electric resistance increase between the panel and drive IC after a period of time, drive IC can not supply enough current to the panel. This paper is studied on a method of test for line defect.

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Energy Recovery Circuit for the Plasma Display Panel Sustainer

  • Cho, B.H.;Kim, W.S.
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2005년도 International Meeting on Information Displayvol.I
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    • pp.625-630
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    • 2005
  • In this paper, several energy recovery circuits (ERC) for the plasma display panel (PDP) are reviewed and classified in a manner of operation characteristics. A typical ERC using the Regenerative Transformer (RT) is introduced and compared with conventional ones. RT-ERC can achieve zero-voltage-switching (ZVS) for main full-bridge switches and zero-current-switching (ZCS) for the resonant switches and diodes. The charging/discharging energy of panel capacitance is efficiently recovered with the RT and without a sub-circuit. The presented circuit is verified with simulation and experimental results.

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Double Pulse Memory 방식을 이용한 DC Plasma Display Panel의 특성 연구 (Characteristics of DC Plasma Display Panel with Double Pulse Memory)

  • 최경철;신범재;왕기웅
    • 전자공학회논문지B
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    • 제29B권1호
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    • pp.67-75
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    • 1992
  • A new method of driving the PDP(Plasma Display Panel) was proposed and its characteristics were investigated. Applying high frequency non-discharge pulses to an auxiliary anode resulted an increased region of stable operation, decreased delay time and increased light intensity. It is suggested that PDP with DPM (Double Pulse Memory) drive technique improves the delay time, luminance, region of stable operation and luminous efficacy compared to PDP with PPM(Planar Pulse Memory) drive technique developed by NHK Lab. in Japan.

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플라즈마 디스플레이의 기술과 현황 (Current Status and Technology of Plasma Displays)

  • 강정원;김영섭
    • 반도체디스플레이기술학회지
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    • 제3권4호
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    • pp.1-4
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    • 2004
  • 21세기에 접어들면서 Digital시험방송의 시작과 다양한 Contents의 유입으로 평판디스플레이 (Flat Panel Display)에 관한 관심과 수요가 증가하고 있다. 이 중 PDP는 90년대 후반부터 양산 및 개발을 시작하여 현재는 40 inch에서 60 inch 화면 크기의 제품을 시장에서 구입할 수 있으며, 03년도에는 80 inch 크기의 Proto-type Model을 공개한 바 있다. PDP는 40 inch 이상의 대면적 구현이 용이하다는 점, CRT와 동등 수준의 화상 구현이 가능하다는 점, 제조공법이 간단하고 제조원가가 저렴하다는 점 등을 특징으로 시장을 확대하고 있으나, 좀 더 대중적인 디스플레이가 되기 위해서는 고휘도 및 고효율화, 화질개선 그리고 저가격화 등과 같은 과제를 해결하여야 한다. 본 논문에서는 PDP의 개발역사 및 시장현황, 구조 및 구동 방법 그리고 해결과제 및 전망에 대해서 포괄적으로 살펴보기로 한다.

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A Study of Optical Properties of Assembled Plasma Display Panel with 3-D Optical Code

  • Park, Hyun-Myung;Kang, Jungwon
    • 반도체디스플레이기술학회지
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    • 제11권1호
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    • pp.67-71
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    • 2012
  • The optical properties of PDP, such as the transmittance and reflectance, were analyzed with 3D optical code. Three different ITO-less structures in the front panel are examined. In the assembled panel study, the test 1 structure shows 16.6% and 10.2% higher reflectance than the structures of tests 2 and 3, respectively. In order to check the validation of the simulation result, three 7.5-inch test panels having the same geometry and property are fabricated as simulation models. The calculated reflective properties are compared to the measured data from real panels. The relative difference extracted from the simulation and measurement methods is less than 4.9% and are well matched.