Electroluminescent phosphor thin films with multiple...

Details Electroluminescent phosphor thin films with multiple... Electroluminescent phosphor thin films with multiple...

C - Chemistry, Metallurgy

09

K

C09K 11/56 (2006.01) C09K 11/61 (2006.01) C09K 11/62 (2006.01) C09K 11/64 (2006.01) C09K 11/66 (2006.01) C09K 11/74 (2006.01) C09K 11/77 (2006.01) C09K 11/84 (2006.01) H05B 33/14 (2006.01)

Patent

CA 2282191

A light emitting phosphor having improved luminance is incorporated into an ACTFEL device having front and rear electrode sets, a pair of insulators sandwiched between the front and rear electrode sets, and a thin film electroluminescent laminar stack which includes a phosphor layer having the formula M II S:D,H where M II is taken from the group calcium, strontium, barium, and magnesium, S=sulfur, D is taken from the group copper, lead, gold, silver, magnesium, antimony, bismuth and arsenic, and H is taken from the group fluorine, chlorine, bromine, and iodine. Deep blue and green chromaticity phosphors may be obtained through selection of multiple co-dopants and adjusting their relative concentrations.

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