Samsung Sdi Co., Inc.

Sun-Hwa Kwon

Ji-Hyun Kim

Yong-Chan You

Gyeong-Jae Heo

Yoon-Chang Kim

Do-Hyung Park

Young-Hun Lee

Ick-Kyu Choi

Young-ki Kim

Seon-Young Kwon

Ui-Song Do

Jay-Hyok Song

Yu-Mi Song

Hyun-Deok Lee

Jae-Woo Bae

Mi-Ran Song

Min-Ju Kim

Young-Suk Cho

Kyu-Chan Park

Sang-Hyuk Lee

Byung-Kyun Kim

Hui-Young Ku

Yoo-Jung Lee

Jin-Hyoung Seo

A white phosphor including: 40 to 50 parts by weight of a blue phosphor selected from the group consisting of ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), and a combination thereof; 20 to 30 parts by weight of a green phosphor (SrCa)GaS:Eu (0&#x2266;x&#x3c;0.2); and 20 to 30 parts by weight of a red phosphor selected from the group consisting of YO:Eu, YO:(Eu,Tb), YOS:Eu, YOS:(Eu,Tb), and combinations thereof. The white phosphor can be included in a light emission device. The light emission device can be included in a liquid crystal display.

White phosphor, light emission device including the same, and liquid crystal display device including the light emission device as backlight unit

A phosphor composition including a first phosphor represented by Formula 1:BaMgAlO:Mn,Eu&#x2003;&#x2003;(1). In Formula 1, a and b satisfy the relations: 0.05&#x2266;a&#x2266;0.4, and 0.006&#x2266;b&#x3c;0.05.

Phosphor composition and display device including the same

The phosphor composition including a first phosphor represented by Formula 1:YCeM'AlM&#x2033;O&#x2003;&#x2003;(1). In Formula 1, M&#x2032; includes at least one of Sc, In, and La, M&#x2033; includes at least one of Ga, Sc, and In, and x, y, k, and a satisfy the relations: 0.0&#x2266;x&#x3c;3.0, 0.0&#x3c;y&#x2266;7.0, 0.0&#x3c;k&#x3c;0.1, 4.0&#x2266;a&#x2266;7.0, a&#x2212;y&#x2267;0.0, and x+k&#x2266;3.0.

A phosphor composition for a display device, including a phosphor represented by Formula 1:YCeMM'AlM&#x2033;O&#x2003;&#x2003;(1). In Formula 1, M includes at least one of Tb, Dy, and Eu, M&#x2032; includes at least one of Sc, Gd, In, and La, M&#x2033; includes at least one of Ga, Sc, and In, and x, y, z, k, and a represent molar ratios and satisfy the relations: 0.0&#x2266;x&#x3c;3.0, 0.0&#x2266;y&#x2266;7.0, 0.0&#x3c;k&#x3c;0.1, 0.0&#x3c;z&#x3c;0.5, 4.0&#x2266;a&#x2266;7.0, a-y&#x2267;0.0, x+k+z&#x2266;3.0, and 0.01&#x2266;z/k&#x2266;20.

Phosphor composition for display device

A white phosphor, and a light emission device including the white phosphor, and a display device including the white phosphor, the white phosphor including 40 to 45 parts by weight of a blue phosphor selected from the group consisting of ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), and combinations thereof; 30 to 40 parts by weight of a green phosphor selected from the group consisting of ZnS:(Cu,Al), ZnS:(Cu,Au,Al), and combinations thereof; and 20 to 25 parts by weight of a red phosphor selected from the group consisting of YO:Eu, YO:(Eu,Tb), YOS:Eu, YOS:(Eu,Tb), and combinations thereof. The white phosphor shows a color temperature of from 12,000K and 14,000K.

White phosphor, light emission device including the same, and display device

A white phosphor, a light emission device including the same, and a liquid crystal display (LCD) including the light emission device as a backlight unit. The white phosphor includes: 40 to 50 parts by weight of a blue phosphor selected from the group consisting of ZnS:(Ag,Cl), ZnS:(Ag,Al), ZnS:(Ag,Al,Cl), and a combination thereof; 23 to 36 parts by weight of a green phosphor including (SrCa)GaS:Eu (0&#x2266;x&#x3c;0.2) and a compound selected from the group consisting of ZnS:(Cu,Al), ZnS:(Cu,Au,Al), and a combination thereof; and 20 to 30 parts by weight of a red phosphor selected from the group consisting of YO:Eu, YO:(Eu,Tb), YOS:Eu, YOS:(Eu,Tb), and a combination thereof.

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Suwon-si, South Korea

Sun-Hwa Kwon