Oxygen-doped thiogallate phosphor

Details Oxygen-doped thiogallate phosphor Oxygen-doped thiogallate phosphor

1995-11-13

1997-08-12

Patel, Nimeshkumar

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313506, 313509, H05B 3314

Patent

active

056568886

ABSTRACT:
A novel thin-film electroluminescent (TFEL) structure for emitting light in response to the application of an electric field is disclosed. The TFEL structure includes first and second electrode layers sandwiching a TFEL stack, the stack including first and second insulator layers and a phosphor layer that includes an alkaline earth thiogallate doped with oxygen.

REFERENCES:
patent: 5309070 (1994-05-01), Sun et al.
patent: 5589059 (1996-12-01), Sun et al.
"A Model for Emissions from ZnS:Ce.sup.3+ and SrS:Ce.sup.3+ Thin-Film Electroluminescent Devices," S.H. Sohn, et al., Japan Journal of Applied Physics, vol. 31(1992) pp.3901-3906. Oct.
"Effects of Oxygen on Electroluminescent Characteristics of ZnS:TbOF and ZnS:TmOF devices," S.H. Sohn, et al., Journal of Applied Physics 72 (10 Nov. 1992).
"Luminescence of Eu.sup.2+ in Strontium and Barium Thiogallates," M.R. Davalos, et al., Journal of Solid State Chemistry, vol. 83, pp. 316-323 (1989). Aug.
"32.1: A New Class of Blue TFEL Phosphors With Application to a VGA Full-Color Display," W.A. Barrow, et al., SID 93 Digest, 1993. (no month).
"Electroluminescence and Photoluminescence of Cerium-Activated Alkaline Earth Thiogallate Thin Films and Devices," S-S. Sun, et al., Journal of the Electrochemical Society, Inc., vol. 141, No. 10, Oct. 1994.

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