• 제목/요약/키워드: display screen

검색결과 738건 처리시간 0.031초

프레넬 렌즈의 영상 왜곡 보정을 위한 최적의 광학설계 (3D Target Tracking System using Adaptive Disparity Motion Vector)

  • 고정환;이정석
    • 대한전자공학회:학술대회논문집
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    • 대한전자공학회 2008년도 하계종합학술대회
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    • pp.1205-1206
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    • 2008
  • In the conventional floating display system some image distortions might be occurred in the floating image plane, in which a flat screen has been mostly used for providing an adequate input image plane. In this paper, as a new approach to alleviate image distortion problem in a floating display system, a curved screen is suggested by through some computer simulation using an optics design program of Light Tools.

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Application of a foil transfer for CRT Screen processing

  • Ryu, Sang-Chul;Kim, Sang-Mun;Lee, Koo-Hwa;Keun, Yoon-Kyung
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2002년도 International Meeting on Information Display
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    • pp.864-867
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    • 2002
  • LG Electronics developed a perfect flat color display tube which was named "FLATRON" . This tube provides ergonomic performances with perfectly flat face and innovative manufacturing process. Foil transfer is a new technology for manufacturing screen layer for Flatron. Its main features include several properties of film, releasing agent, adhesive, aluminum layer, holes after bake-out and foil transfer process. It will be used innovative and cost oriented process for FLATRON for in CRT mass production..

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Digital Holographic Display System with Large Screen Based on Viewing Window Movement for 3D Video Service

  • Park, Minsik;Chae, Byung Gyu;Kim, Hyun-Eui;Hahn, Joonku;Kim, Hwi;Park, Cheong Hee;Moon, Kyungae;Kim, Jinwoong
    • ETRI Journal
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    • 제36권2호
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    • pp.232-241
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    • 2014
  • A holographic display system with a 22-inch LCD panel is developed to provide a wide viewing angle and large holographic 3D image. It is realized by steering a narrow viewing window resulting from a very large pixel pitch compared to the wave length of the laser light. Point light sources and a lens array make it possible to arbitrarily control the position of the viewing window for a moving observer. The holographic display provides both eyes of the observer with a holographic 3D image using two vertically placed LCD panels and a beam splitter to support the holographic stereogram.

66.3: Visual Ergonomic Effects of Screen Gloss on LCDs

  • Brunnstrom, Kjell;Josefsson, Katarina;Andren, Borje;Nordin, Helena;Rydell, Niclas
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2008년도 International Meeting on Information Display
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    • pp.43-46
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    • 2008
  • This study investigated if a requirement for screen gloss is needed in the TCO Requirements and was, therefore, targeted towards finding an acceptable reflex level. The results show that a glossy surface has an impact on the visual ergonomics, and for this reason we believe that a requirement is needed. Although, the results do not point to a single value that is better than another, so a selection for a requirement level has to be augmented with additional information. Such a discussion is given and 60 gloss units at 60 degrees ($GU_{60}$) was selected as the new requirement level for the TCO Requirements (TCO '03 and TCO '05).

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Method and Apparatus for Digital Auto Convergence of Projection Video Display

  • Tai, Wen-Chih;Mo, Chi-Neng;Juan, Chang-Jung;Tsai, Ming-Jong
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2005년도 International Meeting on Information Displayvol.II
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    • pp.1171-1174
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    • 2005
  • This thesis provides a new digital convergence method and apparatus which uses area photo sensor and new analog to digital algorithmic to identify the correct digital pattern position factor of the projection system. This method and apparatus can be applied to the convergence correction in a TV receiver with a display that comprises a display screen with photo sensors positioned adjacent to screen edges. It also can be applied to the manufacture process detection of the projection system to adjust the associative convergence parameter. In this paper, demonstrate how this convergence detecting algorithmic was implemented with four area photo sensors of special designed pattern to the rear projection CRT TV.

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HDR DISPLAY USING MULTI-PROJECTORS

  • Miyake, Rei;Uranishi, Yuki;Sasaki, Hiroshi;Manabe, Yoshitsugu;Chihara, Kunihiro
    • 한국방송∙미디어공학회:학술대회논문집
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    • 한국방송공학회 2009년도 IWAIT
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    • pp.755-759
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    • 2009
  • This paper proposes an HDR display system using multi-projectors for presentation of HDR contents to multi-users. An HDR image is resolved by luminance and the resolved images are assigned to several projectors. The proposed system projects the HDR contents onto a large screen, and the system can display the HDR contents to multi-users. The proposed system realized to output the broad luminance by emitting the light of multi-projectors onto the same screen. In addition, tonal steps of the proposed system increase so that other projectors cover the tonal steps in the region where the dynamic range is expanded. In this paper, we indicate an effectiveness of the proposed system.

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New design and its characteristics of full color anode panel for field emission display

  • Han, J.I.;Park, S.K.;Kim, W.K.;Kwak, M.G.
    • Journal of Korean Vacuum Science & Technology
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    • 제3권1호
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    • pp.90-94
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    • 1999
  • Field Emission display (FEDs) require enhancement in both driving methods and process techniques to improve the display image quality. However, from the point of view of manufacturing, it is difficult to find methods and techniques to realize low cost manufacturing. New and simple color phosphor screen designs were suggested with non-crossed electrode lines and full color anode panels for small area displays were demonstrated. To avoid unwanted reaction with gases produced from phosphors in a high vacuum glass container, a very thin polyimide layer was coated on the phosphor screen. Moreover, to improve the display image quality, black matrix composed of inorganic materials was fabricated. This paper describes the performance and characteristics of the new full color anode panels.

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고온 소결형 그라비어 오프셋용 Ag 페이스트의 물성 연구 (A Study on Properties on High Temperature Sintering Gravure Off-set Ag Paste)

  • 박창원;황보혁;조정우;남수용
    • 한국인쇄학회지
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    • 제29권2호
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    • pp.71-82
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    • 2011
  • Electronic display markets has been developed. The cathode ray tube of brown form recently celebrated their 100th by first display. Also LCD of flat form recently celebrated their 25th by second display and it has advantage of small volume, lower consumption power. But FPD has problem that is property of brittle and noncarrying by glass substrate. Therefore the arrival of portable electronics devices has put an increasing premium on durable, lightweight and inexpensive display components. It is flexible display by third display. Also electronics field such as printed wiring board, RFID, membrane switch prefer flexible display. The conductive pattern can be used mostly in field of electronic displays and electronics. This manufacture of conductive pattern in present used is screen printing. The the conductive pattern. It has advantages of flexibility, high conductivity, drying in low temperature, good conductivity. screen printing has problem that is low productivity and use not flexible substrate because of high fire temperature. This study was developed novel method to form the conductive pattern. It has advantages of flexibility, high conductivity, drying in low temperature, good conductivity.

스마트폰 중심의 N-Screen 기술

  • 권오철;김주성;이창건
    • 방송과미디어
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    • 제17권1호
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    • pp.51-58
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    • 2012
  • 최근 부각되고 있는 N-Screen 기술은 서버에 저장된 콘텐츠를 PC, TV, 휴대폰을 통해 끊김 없이 이용할 수 있도록 하는 기술이다. 이와 달리, 본 고에서는 사용자가 항상 휴대하고 다니는 스마트폰이 제공하는 다양한 서비스를 사용자 주변에 있는 외부 디스플레이 장치를 활용해 보다 편리하게 제공하는 새로운 개념의 N-Screen 기술을 소개한다. 또한, 이러한 스마트폰 중심의 N-Screen 기술의 핵심인 적응형 디스플레이 전환 방법(Adaptive Display Switching Method)에 대해 소개하고, 이를 안드로이드 모바일 플랫폼에 적용한 사례를 보인다.

A Light Pipe Based Recycling Scheme for LED Brightness Enhancement

  • Ouyang, George;Li, Kenneth
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2007년도 7th International Meeting on Information Display 제7권2호
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    • pp.1149-1151
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    • 2007
  • As a follow-up to our previous work we present in this paper some experimental results on LED light recycling. Specifically we demonstrate for the first time that screen brightness can be increased using our light pipe based light recycling scheme for reallife projection display applications.

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