• Title/Summary/Keyword: DISPLAY

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Improving Power Efficiency for Color OLED Display using Color Difference Algorithm

  • Lin, Chih-Lung;Chou, Kuan-Wen;Tsai, Tsung-Ting
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.1222-1225
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    • 2008
  • The power efficiency of a full-color OLED display decreases with long-term operation because of the material characteristics. The lifetime of the OLED display also decreases as the power efficiency declines. Therefore, this work provides a novel color difference algorithm to improve the power consumption and extend the OLED lifetime.

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Efficient generation of CGH using statistical redundancy of 3-D images

  • Kim, Seung-Cheol;Kim, Eun-Soo
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.722-725
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    • 2008
  • In this paper, we propose a new approach for fast generation of CGHs of a 3-D object by using the run-length encoding and N-LUT methods. In this approach, object points to be involved in calculation of the CGH pattern can be dramatically reduced and as a result a significant increase of computational speed can be obtained.

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LED Scanning Backlight Stereoscopic Display with Shutter Glasses

  • Liou, Jian-Chiun;Lee, Kuen;Tseng, Fan-Gang
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.710-713
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    • 2008
  • LED Scanning Backlight Stereoscopic Display with Shutter Glasses is provided to realize stereoscopic image viewing even in a liquid crystal display. The eye shutter signal is alternately switched from the left eye to the right eye with 120Hz of LCD Vertical synchronization (V-sync).

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Long period application of AC field causing contrast reduction of IPS cell

  • Momoi, Yuichi;Koda, Tomonori
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.870-872
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    • 2008
  • It is known that AC electric field to drive IPS mode of liquid crystal display (LCD) causes reduction of the contrast after long period of display operation. Our results are presented in this paper on a base of a model of interaction between surface of PI alignment film and LC molecules. We conclude that the surface viscosity of PI alignment film is one of the most important factors for the contrast reduction phenomenon.

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Development of the HDTV Camera and Monitor for Stereoscopic 3D Display

  • Kim, Nam;Kwon, Ki-Chul;Park, Jae-Hyeung
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.1033-1036
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    • 2008
  • In this paper, we describe the development of the polarized-light stereoscopic monitoring system based on full HDTV. The system consists of the stereoscopic camera part, image processing device for the stereoscopic image recording and stereoscopic display. The developed stereoscopic imaging display system reduces eyestrain and viewer fatigue.

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Continuous Pretilt Control Using Heterogeneous Polyimide Mixture

  • Kim, Young-Ki;Gwag, Jin-Seog;Jo, Soo-In;Kim, Jae-Hoon
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.1584-1587
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    • 2008
  • We proposed a technique controlling continuously pretilt angle in full range with high process margin. The proposed method is characterized by tuning thickness of heterogeneous polyimide (PI) layer that homeotropic PI is mixed with planar PIs.

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Viewing Angle Controllable LCD by Thermal Modulation of Optical Layer

  • Han, In-Young;Gwag, Jin-Seog;Lee, You-Jin;Kim, Jae-Hoon
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.348-351
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    • 2008
  • We suggest a viewing angle control mode of liquid crystal display(LCD) with additive thermal controllable optical layer [TCOL], which composed of homeotropically or homogenously well aligned LC layer and patterned hating lines on a substrate. In this system, LCD modes with wide viewing angle characteristics can be used as a main panel.

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Flexible Electronics Devices for Smart Card Applications

  • Hou, Jack;Kimball, Bob;Vincent, Bryan;Ratcliffe, Bill;Mahan, Mike
    • 한국정보디스플레이학회:학술대회논문집
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    • 2008.10a
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    • pp.75-77
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    • 2008
  • Flexible electronics devices such as plastic display, thin film battery, membrane switch, organic memory for smart card applications will be presented. The performance and power consumption of various display technologies will be compared for OTP requirement in smart cards. Wireless power transmission by RF coupling through an antenna provides a potential power solution to smart cards. Finally, the general trend of smart card future developments will be discussed.

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OLED Aging Characteristics for Digital Still Camera Applications

  • Cok, Ronald S.;Leon, Felipe;Silbermann, Joshua
    • 한국정보디스플레이학회:학술대회논문집
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    • 2006.08a
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    • pp.583-587
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    • 2006
  • A series of images were displayed on an OLED display placed within a digital still camera body to characterize the aging of the OLED display in a realistic environment and with an image set that matches actual consumer usage as closely as possible. The aging characteristics of the OLED display were measured and shown to meet the requirements of a digital still camera application by a wide margin.

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Dual Mode AMOLED Pixel Circuit

  • Bae, Byung-Seong;Son, Yong-Duck;Jang, Jin;Lee, Ki-Yong;Chung, Ho-Kyoon
    • 한국정보디스플레이학회:학술대회논문집
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    • 2006.08a
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    • pp.1082-1085
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    • 2006
  • We proposed dual mode pixel circuit in AMOLED (active matrix organic light emitting device). After light emitting period of OLED, we used it as a photo sensor. We measured photo current of OLED and simulated the proposed pixel circuit to verify it's function of dual mode, that is lighting and sensing.

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