• 제목/요약/키워드: AC-PDP(AC-Plasma Display Panel)

검색결과 240건 처리시간 0.026초

Patterning of the ITO Electrode of AC PDP using $Nd:YVO_4$ Laser

  • Kim, Kwang-Ho;Ahn, Min-Hyung;Kwon, Sang-Jik
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2007년도 7th International Meeting on Information Display 제7권2호
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    • pp.1368-1371
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    • 2007
  • Laser-ablated ITO patterns showed the formation of shoulders at the edge of the ITO lines and a ripple-like structure of the etched bottom. When the laser ablation was applied in the fabrication of PDP panel, the laser-ablated ITO patterns showed a higher sustaining voltage than that of chemically wet-etched ITO.

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Measurement of Wall Voltage in Reset Discharge of AC PDP

  • Park, K.D.;Jung, Y.;Ryu, C.G.;Choi, J.H.;Kim, S.B.;Cho, T.S.;Oh, P.Y.;Jeon, S.H.;Choi, E.H.
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2003년도 International Meeting on Information Display
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    • pp.722-725
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    • 2003
  • In AC plasma display, it is very important to quantify the wall voltage induced by the wall charge accumulated on the dielectric surface. If we know the quantities of the wall voltage in each period of every sequence; reset period, address period and sustain period, then it helps us to design the optimal driving waveform for high efficiency plasma display. We develop a new method to measure the wall voltage with VDS (Versatile Driving Simulator) system. From this method the wall voltage induced by a wall charge profiles just after the reset discharge of every cells in plasma display panel can be investigated and analyzed successfully. It is noted that the wall voltage profiles are influenced by the space charge and then they are stabilized as time goes by. It is also noted that both the remaining wall charge at the previous sequence and space charges contribute to wall voltage quantities just after the reset discharge. It is noted that the wall charges contribute dominantly after a few hundreds microseconds, while the space charges have been decayed within 100 ${\mu}s$ just after the reset discharge.

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ZnO 투명전극을 이용한 AC PDP 셀의 제작 및 광학적 특성 (Optical Characteristics of AC PDP Cell with ZnO Electrode)

  • 이성욱;이규석;박경석;임동건;박민우;곽동주
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2005년도 제36회 하계학술대회 논문집 C
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    • pp.1948-1950
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    • 2005
  • In the recent years, much interests and attraction has been paid on the plasma display panel. To achieve high performance display panel, there has been a strong demands for studies on the transparent conducting films such as ITO and ZnO. In this study, we propose PDP cell with ZnO transparent conducting electrode. The electrical and optical characteristics of PDP cell with ZnO transparent electrode were studied and compared with that of conventional ITO electrode.

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형광체 두께와 방전공간의 변화에 따른 ac PDP의 어드레싱 속도와 전기광학적 특성에 관한 연구 (The Study of Addressing Time and Electrical and Optical Characteristics as Phosphor Thickness and Height of discharge Space in ac-PDP)

  • 허정은;김규섭;박정후;조정수
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2000년도 하계학술대회 논문집 C
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    • pp.1815-1817
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    • 2000
  • Plasma display Panels(PDPs) are one of the leading technologies currently under development for large-area high-brightness flat panel displays. However, the luminance and luminous efficiency of at PDPs should be improved. Especially, one of the main factors affecting on the luminance and luminous efficiency of ac PDP may be the phosphor thickness and size of discharge space. In this study, we examined into addressing time, electrical and optical properties as a parameter of the phosphor thickness and the size of discharge space during the display period of ac PDP. It is found out that the optimum phosphor thickness was $50{\mu}m$ and height of discharge space was about $100{\mu}m$.

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Address discharge delay reduction in AC PDP by applying MgO nanoparticle under protective layer

  • Seo, Ki-Ho;Shin, Seung-Ha;Choi, Man-Soo;Whang, Ki-Woong
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2008년도 International Meeting on Information Display
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    • pp.355-358
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    • 2008
  • We report a method for improving characteristics of AC PDP in this study. This improvement is obtained by spreading MgO nanoparticles on transparent dielectric layer. These nanoparticles are covered with MgO protective layer by electron beam evaporation. MgO nanoparticle has difference in cathodoluminescence stronger than MgO layer by electron beam evaporation. This method worked for reducing statistical delay especially. Efficacy, discharge voltage and luminance were also improved But these improvements has limited lifetime because continuous ion bombardments changed characteristic of MgO surface.

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New Self-Erasing Discharge Mode for Improvement of Luminous Efficiency and Color Purity in AC Plasma Display Panel

  • Cho, Byung-Gwon;Tae, Heung-Sik;Chien, Sung-Il
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2002년도 International Meeting on Information Display
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    • pp.83-86
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    • 2002
  • This paper presents a new self-erasing discharge mode for the improvement of luminous efficiency and color purity of an AC plasma display panel (AC PDP). A new self-erasing discharge mode is produced between successive sustain pulses. by simultaneously applying the auxiliary short pulses at the falling edge of the sustain pulses without cross-talk during a sustain period. As a result. the luminous efficiency and color gamut are improved by 16% and 5%, respectively.

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Influence of the degradation of MgO protective layer on the Surface profiles and discharge characteristics in AC-PDP.

  • Lee, Soo-Beom;Jeoung, J.M.;Ko, B.D.;Oh, P.Y.;Moon, M.W.;Lee, J.H.;Lim, J.E.;Lee, H.J.;Han, Y.G.;Yoo, N.L.;Jeoung, S.H.;Son, C.G.;Choi, E.H.
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2005년도 International Meeting on Information Displayvol.II
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    • pp.1207-1210
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    • 2005
  • The MgO protective layer provides protection from the discharge, lowers the discharge voltage and prolongs the AC-PDP lifetime. We have investigated the characteristics of degradation of MgO protective layer, which correlates to the image-sticking[1] and the lifetime in AC-PDP. The degraded MgO have been changed the surface morphology of MgO. It was found that panel lifetime depended on degradation of MgO protective.

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AC PDP의 Reset 기간 단축을 위한 새로운 구동방식에 관한 연구 (A New Method to Reduce Reset Period in AC Plasma Display Panel)

  • 이상현;박정후
    • 대한전기학회논문지:전기물성ㆍ응용부문C
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    • 제50권10호
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    • pp.517-521
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    • 2001
  • The voltage controlled ramp(VCR) waveform has recently been introduced in the reset period prior to addressing for plasma display. However, this method shows the oscillation of gap voltage when the ramp rate is increased in order to reduce reset period. In this paper a current controlled ramp(CCR) waveform method is suggested. This method can suppress the oscillation of gap voltge under the condition of shorter ramp time. Moreover, the reset time can be reduced about 30% compared with VCR method under the same background luminance.

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AC PDP의 장수명 인자의 단시간 시험 방법에 의한 수명 증대 기술에 관한 연구 (A Study on the Improvement of Lifetime with Short-Term Test Method of AC PDP)

  • 김윤기;최민석;류성남;박차수;이호준;박정후
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2001년도 하계학술대회 논문집 C
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    • pp.1576-1578
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    • 2001
  • In this paper, a short-term test method to diagnose and estimate the lifetime of AC PDP(Plasma Display Panel) has been proposed. As using this method, we investigated the lifetime of MgO layer in AC PDP. The lifetime was increased in proportion to an MgO thickness but it was allowed when the MgO thickness was raised until 5000$\AA$. Over 5000$\AA$, the lifetime was saturated with a thickness of MgO layer.

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AC PDP의 유전체 두께와 격벽 높이에 따른 Addressing Time (The Effect of Dielectric Thickness and Barrier Rib Height on Addressing Time of Coplanar AC PDP)

  • 신중홍;박정후
    • 한국전기전자재료학회논문지
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    • 제15권12호
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    • pp.1065-1069
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    • 2002
  • The addressing time should be reduced by modifying cell structure and/or driving method in order to replace the dual scan system by single scan and increase the luminance in large ac plasma display panel(PDP). In this paper, the effects of the addressing time was decreased with decreasing thickness of dielectric layer on the front glass and thickness of white dielectric layer on the rear glass. the decreasing rate were 160ns/10$\mu\textrm{m}$ and 270ns/10$\mu\textrm{m}$, respectively Also in case of decreasing the height of barrier rib, addressing time was decreased at the rate of Sons/10$\mu\textrm{m}$.