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35.4L: Late‐News Paper : Sputter‐Deposition of Blue‐Emitting Ba‐Al‐S: Eu Phosphors for Thin Film EL Displays
Author(s) -
Kosyachkov Alexander
Publication year - 2003
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.1832484
Subject(s) - phosphor , electroluminescence , materials science , optoelectronics , electroluminescent display , luminance , thin film , sputtering , deposition (geology) , optics , nanotechnology , layer (electronics) , physics , paleontology , sediment , biology
Abstract First results are reported on sputter‐deposition of blue emitting Ba‐Al‐S: Eu phosphors for inorganic electroluminescent FPD. Being used in Thick‐film Dielectric Electroluminescent (TDEL) devices, the phosphors exhibit EL‐luminance of about 200 cd/m 2 and the C.I.E. coordinates X=0.13 and Y=0.09‐0.12 at 60 V above the optical threshold voltage under 250 Hz pulse drive. Lifetime of 2500 h at 1200 Hz pulse voltage is achieved for rapid thermal processed phosphor that is equivalent to more than 30,000 h in a TV display application.

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