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US 8,409,471 B2Granted
Green phosphor and display device including the same
AssigneeSamsung SDI Co., Ltd.
InventorsYu-Mi Song, Jay-Hyok Song, Ick-Kyu Choi, Young-Hun Lee, Young-Ki Kim, Mi-Ran Song, Do-Hyung Park, Yoon-Chang Kim, Young-Kwan Kim, Soon-Rewl Lee, Dong-Sik Zang
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Abstract
A green phosphor including a compound represented by Formula 1 (Y3-xMx) (Al5-yM′y)O12:Cez and a pigment. The green phosphor having the compound represented by Formula 1 and a pigment has a shorter decay time than conventional phosphors, and thereby confers excellent luminescence characteristics and color purity. A display panel including the green phosphor 1 is also provided herein.
Claims10
A green phosphor comprising a compound represented by Formula 1;
- and
- a pigment:
- (Y3-xMx)(Al5-yM′y)O12:Cez;
- Formula 1
- Wherein:
- M is selected from the group consisting of Sc, Gd, In, Lu, and La;
- M′ is selected from the group consisting of Sc, Ga, Gd, In, Lu, and La
- 0≦x<3;
- 0≦y<5;
- and
- 0<z≦0.5, wherein the pigment comprises Cr2O2 and CoAl2O4 in a weight ratio of from about 2:8 to about 8:2.
8 more elements
Dependencies are inferred from the claim text.