PDP 형광체의 진공 자외선 조사에 따른 열화 특성

이임렬; 이수행; 김유혁; R.Y. Lee; S.H. Lee; Y.H. Kim

Korean Journal of Materials Research, Vol.12, No.9, 735-739, September, 2002

DOI0.3740/MRSK.2002.12.9.735 Export Citation

PDP 형광체의 진공 자외선 조사에 따른 열화 특성

Degradation of PDP Phosphors Under VUV Excitation

이임렬^†, 이수행¹, 김유혁¹

단국대학교 신소재공학과
¹단국대학교 화학과

R.Y. Lee^†, S.H. Lee¹, and Y.H. Kim¹

Dept. of New Materials Engr., Dankook University, Cheonan, 330-714, Korea
¹Dept. of Chemistry, Dankook University, Cheonan 330-714, Korea

E-mail:

(Y,Gd)BO 3 : Eu, Zn 2 SiO 4 : Mn and BaMgAl 10 O 17 : Eu phosphors used in PDP were continuously irradiated by vacuum ultra violet generated from the penning gas (96%Ar+4%Xe) discharge and then the change of emitting intensity with time was investigated. The brightness of these phosphors decreased exponentially with VUV excitation time. The experimental data showed that the degradation rate increased in the order of Zn 2 SiO 4 : Mn>(Y,Gd) BO 3 : Eu> BaMgAl 10 O 17 : Eu phosphor. This different degradation property of phosphors was interpreted in terms of brightness saturation and stability against VUV irradiation. It was found that the degradation property of (Y,Gd)BO 3 : Eu red phosphor synthesized by ultrasonic thermal spray was superior to commercial phosphor.

Keywords:PDP phosphor;degradation;brightness saturation;luminescent killer

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Yocom N, Meltzer RS, KW, Grimm M, J. SID, 4/3, 169 (1996)
Stoffers C, Lee RY, Penczek J, Wagner BK, Summers CJ, Appl. Phys. Lett., 76(8), 949 (2000)
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[1] Koike J, Kojima T, Toyonaga R, Kagami A, Hase T, Inaho S, J. Electrochem. Soc., 126(6), 1003 (1979)

[2] Bachtel H, Czarnojan W, Glaser H, Justel T, Nikol H, Wiechert DH, IDW, 593 (1998)

[3] Klassen DBM, de Leeuwu DM, Welker T, J. Luminescence, 37, 21 (1987)

[4] Bachtel H, Czarnojan W, Hasse M, Wadow D, J. SID, 4/3, 219 (1996)

[5] Lee RY, Zhang FL, Penczek J, Wagner BK, Yocom PN, Summers CJ, J. Vac. Sci. Technol. B, 16(2), 855 (1998)

[6] Koike J, IDW, 617 (1997)

[7] Steinrisser E, Phys. Rev. Lett., 24, 213 (1970)

[8] Kim DS, Lee RY, J. Mater. Sci., 35(19), 4777 (2000)

[9] Blasse G, Grabmair BC, Luminescent Materials (Springer Verlag, Germany, 1994) p71 (1994)

[10] Kim CH, Bae HS, Pyun CH, Hong GY, J. Kor. Chem. Soc., 42(5), 588 (1998)

[11] Yamamoto H, The 1st International Conference on the Science and Technology of Display Phosphor (Nov. 14-16, San Diego, California), Extended Abstracts (1995) p16 (1995)

[12] Yocom N, Meltzer RS, KW, Grimm M, J. SID, 4/3, 169 (1996)

[13] Stoffers C, Lee RY, Penczek J, Wagner BK, Summers CJ, Appl. Phys. Lett., 76(8), 949 (2000)

[14] Kojima T, in Phosphor Handbook, ed Shionoya S, Yen WM (CRC press, New York, USA, 1998) p635 (1998)

[15] Morell A, Khiati NE, J. Electrochem. Soc., 140(7), 2019 (1993)

[16] Vecht A, Chadha SS, Display Phosphors (The University of Greenwich, England, 1993) p13 (1993)