Samsung Sdi Co., Inc.

Industry-university Cooperation Foundation

Yoo-Jung Lee

Ji-Hyun Kim

Yong-Chan You

Ui-Song Do

Chae-Woong Cho

Gyeong-Jae Heo

Jae-Woo Bae

Young-Suk Cho

Kyu-Chan Park

Sun-Hwa Kwon

Sang-Hyuk Lee

Byung-Kyun Kim

Hui-Young Ku

Ji-hyun Kim

Ki-Jun Kim

Un-Gyu Paik

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 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.

Growing community of inventors

Suwon-si, South Korea

Yoo-Jung Lee