• 제목/요약/키워드: display

검색결과 16,085건 처리시간 0.036초

Substrate bonding technique using the agar-epoxy composites for flexible LCD

  • Bae, Ji-Hong;Jang, Se-Jin;Choi, Hong;Kim, Sang-Il;Kim, Jae-Hoon
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2007년도 7th International Meeting on Information Display 제7권1호
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    • pp.733-736
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    • 2007
  • We have proposed novel bonding technique of substrates for developing the flexible LCD with high quality. The gel type mixture of agarose and UV curable epoxy developed to obtain tight bonding ability and enhanced electro-optical characteristic simultaneously. This technique can be used to roll-to-roll process for fabricating the flexible LCDs.

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New Structure of Rigid Spacers for Tight Bonding of Two Plastic Substrates in Plastic LCD

  • Choi, Hong;Jang, Se-Jin;Bae, Ji-Hong;Choi, Yoon-Seuk;Kim, Sang-Il;Shin, Sung-Sik;Kim, Jae-Hoon
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2007년도 7th International Meeting on Information Display 제7권1호
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    • pp.352-355
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    • 2007
  • We have developed tight bonding of plastic LCD with new rigid spacer. For tight bonding of two plastic substrates, we designed structures to collect UV or thermal epoxy placed on the top of rigid spacer spontaneously by capillary effect. We confirmed that tight bonded plastic LCD has a good adhesion without induced defects and a high mechanical stability against the various external deformations. This method can be applicable to the fabrication of large plastic LCDs using stamping process.

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Method to Enhance Color Gamut up to 89 % in Bottom Emission Active-Matrix Organic Light Emitting Device

  • Kim, Hwa-Kyung;Choi, Hong-Seok;Yoo, Dong-Hee;Kim, Woo-Chan;Yoon, Jong-Geun;Yang, Joong-Whan
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2007년도 7th International Meeting on Information Display 제7권1호
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    • pp.43-46
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    • 2007
  • Though bottom emission AM-OLED has advantages in respect of mass production, the bottom emission type is underrated due to its low aperture ratio and low color gamut, compared with top emission type. In this paper, we demonstrate that the color gamut up to 89 % can be simply achieved by depositing dielectric multilayers, whose thicknesses are determined using an optical simulation program, prior to formation of Si layer.

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Development of Cost-Effective and High-Property Mask in Flatron

  • Song, Jong-Mok;Kim, Byoung-Nam;Koh, Nam-Je;Chun, Hyun-Tae;Park, Ki-Bum
    • Journal of Information Display
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    • 제2권1호
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    • pp.34-37
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    • 2001
  • We developed the tension mask of which thickness increased from 25 urn to 50 urn to reduce the mask cost and improve the vibration property. First of all, the limitation by which rail structure can support is calculated and the optimal thickness of mask is determined. To prevent the reduction of brightness and brightness uniformity, the dimensions of mask was reassigned. As a result, the increase of mask thickness brought about a reduction in cost and improvement of howling property which had been a weak point of flat CRTs.

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디스플레이 응용을 위한 액정 모드 (Liquid Crystal Modes for Display Applications)

  • 김정욱;윤태훈
    • 한국광학회지
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    • 제24권4호
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    • pp.168-175
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    • 2013
  • 정보디스플레이 기술은 디지털 정보화 사회를 혁신적으로 변화시킨 원동력이다. 액정 디스플레이는 가장 대표적인 평판 디스플레이로서 저소비전력, 경량, 박형 등의 장점을 앞세워 소형에서부터 대형에 이르기까지 다양한 응용분야에 널리 사용되고 있다. 하지만, 더욱 고성능의 디스플레이를 구현하기 위해 끊임없이 연구가 지속되고 있다. 본 논문에서는 액정 디스플레이의 구조 및 구동원리에 대해 설명하고, 액정 모드 기술에 대해 본 연구실에서의 연구를 중심으로 소개하고자 한다.

면광원을 사용한 Scanning Backlight System의 설계 및 제작 (Design and Fabrication of Scanning Backlight System using Flat Fluorescent Lamp)

  • 채형준;허정욱;황선남;이준영;임성규
    • 반도체디스플레이기술학회지
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    • 제7권2호
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    • pp.29-33
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    • 2008
  • LCD panels are increasingly used to show moving image material, for example in LCD television sets. However, moving images become blurred on LCD panels. One of the causes of motion blur is the slow reaction of LC(liquid crystal) cell to change in the pixel value. Another cause of motion blur is the hold-type characteristic of the LCD panel, during the frame time the image is shown continuously. This type of motion blur can be reduced with a scanning backlight. We have designed and fabricated a scanning backlight system that solves the hold-type characteristic problem in a way that Flat fluorescent lamp divided 6 blocks was scanned 60Hz.

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Super-multiview windshield display for driving assistance

  • Urano, Yohei;Kashiwada, Shinji;Ando, Hiroshi;Nakamura, Koji;Takaki, Yasuhiro
    • Journal of Information Display
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    • 제12권1호
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    • pp.43-46
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    • 2011
  • A three-dimensional windshield display (3D-WSD) can present driving information at the same depth as the objects in the outside scene. Herein, a super-multiview 3D-WSD is proposed because the super-multiview display technique provides smooth motion parallax. Motion parallax is the only physiological cue for perceiving the depth of a 3D image displayed at a far distance, which cannot be perceived by vergence and binocular parallax. A prototype system with 36 views was constructed, and the discontinuity of motion parallax and accuracy of depth perception were evaluated.

Display power analysis and design guidelines to reduce power consumption

  • Issa, Joseph
    • Journal of Information Display
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    • 제13권4호
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    • pp.167-177
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    • 2012
  • Cold cathode fluorescent lamps (CCFLs) are used to provide lighting for liquid crystal displays (LCDs). This paper presents a set of guidelines for measurement characterization and design to reduce the power consumption of CCFL LCD backlight inverters and panel electronics. The proposed methods aim to reduce the backlight power consumption by fine-tuning a back-light inverter for a specific LCD, using several methods. First, the authors describe their power measurement methodology; and next, they identify different areas for tuning a backlight inverter for a given display. The experiment results showed that power savings can range from 50 to 200mW if the backlight inverter is properly tuned. This paper also proposes an optimized configuration for light-emitting device (LED) panels to reduce power loss by selecting a LED with a specific input voltage and number of cells to help minimize power loss.

Display System Design Based On The Abstraction Hierarchy

  • Sohn, Kwang-Young;Shin, Hyun-Kook
    • Nuclear Engineering and Technology
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    • 제28권3호
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    • pp.339-348
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    • 1996
  • Plant monitoring algorithm developments seem to be saturated which means that display system to show the results from the algorithm should be the well-defined and interactive tools for operator's diagnosing, controlling, restoring the abnormal plant situations. On the other hand, very little generalized display design concepts and evaluations are available. Events that are unfamiliar to operators and that has not been anticipated by designers may cause great threats to the nuclear power plant system safety operation. The abstraction hierarchy, considered most popular display design methodology but not generalized for nuclear power plant design space, has ken proposed as a representation frame work that can be adopted to design interfaces and supports operators in diagnosing overlooked events that should have been considered to operate plant safely. However most practical plant display systems do not fully stick to this design concept but partially rely on their philosophy from design experiences. Abstraction hierarchy display design concept will be do scribed and the trend of Advanced Control Room(ACR) CRT design will also be presented with the conventional display for the several type of plants. Consequently this complementary material should be of interest to designer and regulators concerned with nuclear power plant.

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