Narrow band 390 nm emitting phosphors for photoluminescent liquid crystal displays

被引:36
作者
Vecht, A
Newport, AC
Bayley, PA
Crossland, WA
机构
[1] Univ Greenwich, Ctr Phosphor & Display Mat, London SE18 6PF, England
[2] Screen Technol Ltd, Unit D5, Cambridge CB2 5NX, England
[3] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
关键词
D O I
10.1063/1.368561
中图分类号
O59 [应用物理学];
学科分类号
摘要
Photoluminescent liquid crystal displays use a liquid crystal to modulate the intensity of ultraviolet light incident on visible emissive phosphors. In order to gain optimum performance from the liquid crystal in such a device, the activating light must cover a narrow spectral bandwidth very near to the visible (violet) region of the spectrum. Calcium sulphate europium phosphor offers an emission spectrum closely matching these requirements and has been incorporated inside low pressure mercury cold cathode fluorescent lamps. These have been used to backlight a photoluminescent liquid crystal display demonstrator. (C) 1998 American Institute of Physics. [S0021-8979(98)00419-8].
引用
收藏
页码:3827 / 3829
页数:3
相关论文
共 11 条
[1]  
Ahn S. H., 1996, Proceedings of the Sixteenth International Display Research Conference. SID's 16th International Display Research Conference. EURO DISPLAY, P377
[2]  
Crossland W.A., 1997, P SOC INF DISPL INT, V28, P837
[3]   ON THE ROLE OF EUROPIUM IN CASO4-EU PHOSPHOR [J].
DHOPTE, SM ;
MUTHAL, PL ;
KONDAWAR, VK ;
MOHARIL, SV .
JOURNAL OF LUMINESCENCE, 1991, 50 (03) :187-195
[4]   ALKALINE EARTH ALUMINUM FLUORIDE COMPOUNDS WITH EU+2 ACTIVATION [J].
HOFFMAN, MV .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1971, 118 (06) :933-&
[5]   EDGE EMISSION OF N-TYPE CONDUCTING ZNO AND CDS [J].
LEHMANN, W .
SOLID-STATE ELECTRONICS, 1966, 9 (11-1) :1107-&
[6]  
Lehmann W., 1973, Journal of Luminescence, V6, P455, DOI 10.1016/0022-2313(73)90014-8
[7]  
NEWPORT AC, 1998, P SOC INF DISPL INT, V29, P239
[8]   CONCENTRATION-DEPENDENCE CURVES OF Y2O2S=EU [J].
OZAWA, L ;
HERSH, HN .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1975, 122 (09) :1222-1225
[9]  
SPRINGLE ID, 1997, THESIS CAMBRIDGE U
[10]  
SPRINGLE ID, 1997, P EL INF DISPL C ESH, V1, P1