• 제목/요약/키워드: temporal image sticking

검색결과 10건 처리시간 0.028초

Reduction of the Temporal Bright-Image Sticking in AC-PDP Modules Using the Vacuum Sealing Method

  • Park, Choon-Sang;Cho, Byung-Gwon;Tae, Heung-Sik
    • Journal of Information Display
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    • 제9권4호
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    • pp.39-44
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    • 2008
  • This paper investigates the effects of the existing sealing methods, such as the conventional atmospheric-pressure sealing method and vacuum sealing, on temporal bright-image sticking. To produce a residual image caused by temporal brightimage sticking, the entire region of a 42-in panel with an Xe-(11%)-He(35%) gas mixture was abruptly changed to a full-white background image after displaying a square-type image at peak luminance for about 60s. From the monitoring of the difference in the display luminance, infrared emission, color temperature, and disappearing time between the cells with and without temporal bright-image sticking, it was observed that the vacuum sealing method contributes to the reduction of temporal bright-image sticking.

Experimental Observation of Temporal Dark Image Sticking in AC PDP with Face-to-Face Sustain Electrode Structure

  • Kim, Jae-Hyun;Park, Choon-Sang;Kim, Bo-Sung;Park, Ki-Hyung;Tae, Heung-Sik
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2007년도 7th International Meeting on Information Display 제7권1호
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    • pp.617-620
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    • 2007
  • The temporal dark image sticking phenomena for both the face-to-face and coplanar sustain electrode structures were compared. For both structures, the temporal dark image sticking phenomena were examined by measuring the difference in the IR emission, display luminance, perceived luminance, and temperature between the image sticking and the no image sticking cells. For the face-to-face structure, the 10-min sustain discharge causes a small increment of the panel temperature thanks to the ITO-less electrode structure, thereby resulting in mitigating the temporal dark image sticking phenomenon.

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Reduction of Temporal Image Sticking in AC Plasma Display Panels through the Use of High He Contents

  • Park, Choon-Sang;Kim, Sun-Ho;Kim, Jae-Hyun;Tae, Heung-Sik
    • Journal of Information Display
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    • 제10권4호
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    • pp.195-201
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    • 2009
  • The temporal dark- and bright-image sticking phenomena were examined relative to the He contents under 11% Xe content in the 50-in HD and FHD AC-PDPs with a ternary gas mixture (Xe-He-Ne). To compare the temporal dark- and bright-image sticking phenomena under various He contents, the differences in the disappearing time, display luminance, perceived luminance, infrared emission, color coordinate, color temperature, and discharge current before and after discharge were measured under 0, 35, 50, and 70% He contents. It was found that temporal dark- and bright-image sticking were reduced in proportion to the increase in He %. Thus, a high He content contributes to the reduction of temporal dark- and bright-image sticking.

Comparison of Temporal Dark Image Sticking Produced by Face-to-Face and Coplanar Sustain Electrode Structures

  • Kim, Jae-Hyun;Park, Choon-Sang;Kim, Bo-Sung;Park, Ki-Hyung;Tae, Heung-Sik
    • Journal of Information Display
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    • 제8권3호
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    • pp.29-33
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    • 2007
  • The temporal dark image sticking phenomena are examined and compared for the two different electrode structures such as the face-to-face and coplanar sustain electrode structure. To compare the temporal dark image sticking phenomena for both structures, the differences in the infrared emission profile, luminance, and perceived luminance of the image sticking cells and the non image sticking cells were measured. It is observed that the temporal dark image sticking is mitigated for the face-to-face structure. The mitigation of the temporal dark image sticking for the face-to-face structure is due to the slight increase in the panel temperature induced by the ITO-less electrode structure.

A study on the temporal bright image sticking problem in AC PDP

  • Ha, Chang-Hoon;Jeong, Dong-Chul;Whang, Ki-Woong
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2004년도 Asia Display / IMID 04
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    • pp.113-116
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    • 2004
  • In this study, the causes of temporal bright image sticking problem in an AC PDP were investigated. The temporal bright image sticking problem in an ac PDP is observed to be a relatively lower luminance following several minutes on-time at a high gray level compared to that of the ordinary turned-on image area. We focused on the detailed causes of image sticking, which are directly related with the visible emission such as the changes in the characteristics of phosphor, MgO surface and gas dynamics. The experimental results show that the thermal quenching of phosphor and temperature-dependent discharge characteristics change cause the image sticking problem.

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Experimental Study on Reduction of Temporal Dark Image Sticking on Bright Screen in AC-PDPs Using RF-Plasma Treatment on MgO layer

  • Park, Choon-Sang;Kim, Jae-Hyun;Tae, Heung-Sik
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2009년도 9th International Meeting on Information Display
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    • pp.101-103
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    • 2009
  • Minimizing the residual impurity level on the MgO layer is the key factor for reducing temporal dark image sticking on bright screen. In this paper, to reduce the residual impurity level on the MgO layer of 50-in. full-HD ac-PDP with He (35%) - Xe (11%) contents, RF-plasma treatments on the MgO layer are adopted under various gases for plasma treatment. As a result of monitoring the difference in the display luminance between the before and after 5-min. sustain discharge with a square-type image at peak luminance, the Ar and Ar>$O_2$ plasma treatments can reduce the temporal dark image sticking on the bright screen in an ac-PDP.

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Temporal Image Sticking Phenomena and Reducing Methods in AC PDP

  • Tae, Heung-Sik;Han, Jin-Won;Cho, Byung-Gwon;Chien, Sung-Il
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2004년도 Asia Display / IMID 04
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    • pp.176-179
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    • 2004
  • The effects of a temporal image sticking phenomenon on the subsequent dark and white background images are investigated in 42-inch PDP-TV and the reducing method is proposed In addition, the changes in luminance and temperature with an increase in time with the conventional and large sustain gap. The temporal dark image sticking was reduced considerably by decreasing background luminance and it was found that the temporal image sticking with large sustain gap was reduced when compared with the conventional sustain gap.

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Influence of Temporal Dark Image Sticking Characteristics on Bright Screen with Various He contents in 50-in. AC-PDPs

  • Kim, Sun-Ho;Park, Choon-Sang;Kim, Jae-Hyun;Tae, Heung-Sik
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2009년도 9th International Meeting on Information Display
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    • pp.716-718
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    • 2009
  • The effects of the temporal dark image sticking phenomena on bright screen were investigated with various He, Ne contents and a high Xe content fixed at 11% in the 50-in. ac-PDPs. In this work, the disappearance time and the display luminance between the before and after discharge in the discharge and non-discharge regions were measured with 0%, 35%, and 50% He contents. Consequently, the temporal dark image sticking on bright screen was reduced with the increase of He contents compared with the non-He (0%) content.

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Influence of Temporal and Permanent Image Sticking Characteristics Under Variable Panel Working Gas Pressure in 42-in. AC-PDPs

  • Park, Choon-Sang;Jang, Soo-Kwan;Kim, Jae-Hyun;Tae, Heung-Sik;Jung, Eun-Young;Ahn, Jung-Chull;Heo, Eun-Gi
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2008년도 International Meeting on Information Display
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    • pp.1617-1620
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    • 2008
  • The effects of the temporal and permanent bright image stickings were examined under variable panel working gas pressure in the 42-in. ac-PDP with a high Xe (11 %) content. In the cells with and without temporal and permanent bright image stickings, the display luminance, firing voltage, and Vt closed curve were measured relative to the working gas pressure. With a decrease in the working gas pressure, the temporal bright image sticking was observed to be reduced, whereas the permanent bright image sticking was observed to be deteriorated.

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AC PDP에서의 국부적 패널 온도 변화에 따른 경계 잔상 특징 (The characteristic of boundary image sticking as local temperature variation in panel)

  • 최우성;이지훈;장용민;유수복;이호준;김동현;박정후
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2005년도 추계학술대회 논문집 전기물성,응용부문
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    • pp.204-206
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    • 2005
  • Although intensive experiments have been performed to investigate the origin of boundary image sticking, one of major factors to determine display quality in AC PDP, it has not being reported clearly why it is occurred. The relationships between boundary image sticking and its possible origins such as phosphor degradation, temporal change of MgO layer, wall charge have been discussed. In this paper, we have analyzed characteristics of the boundary image sticking more clearly by the influence of local panel temperature.

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