Patent number: 8137585
Abstract: The phosphor composition including a first phosphor represented by Formula 1: Y3?x?kCekM?xAla?yM?yO(1.5a+4.5)??(1). In Formula 1, M? includes at least one of Sc, In, and La, M? includes at least one of Ga, Sc, and In, and x, y, k, and a satisfy the relations: 0.0?x<3.0, 0.0<y?7.0, 0.0<k<0.1, 4.0?a?7.0, a?y?0.0, and x+k?3.0.
Type:
Grant
Filed:
February 4, 2009
Date of Patent:
March 20, 2012
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Jay-Hyok Song, Yu-Mi Song, Yoon-Chang Kim, Do-Hyung Park, Yong-Chan You, Gyeong-Jae Heo, Ick-Kyu Choi, Mi-Ran Song, Seon-Young Kwon, Hyun-Deok Lee, Ji-Hyun Kim, Jin-Hyoung Seo, Sun-Hwa Kwon, Min-Ju Kim, Young-Hun Lee, Young-Ki Kim
Patent number: 8128840
Abstract: A phosphor composition for a display device, including a phosphor represented by Formula 1: Y3-x-k-zCekMzM?xAla-yM?yO(1.5a+4.5)??(1). In Formula 1, M includes at least one of Tb, Dy, and Eu, M? includes at least one of Sc, Gd, In, and La, M? 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?x<3.0, 0.0?y?7.0, 0.0<k<0.1, 0.0<z<0.5, 4.0?a?7.0, a-y?0.0, x+k+z?3.0, and 0.01?z/k?20.
Type:
Grant
Filed:
January 29, 2009
Date of Patent:
March 6, 2012
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Jay-Hyok Song, Yu-Mi Song, Yoon-Chang Kim, Do-Hyung Park, Yong-Chan You, Gyeong-Jae Heo, Ick-Kyu Choi, Mi-Ran Song, Seon-Young Kwon, Hyun-Deok Lee, Ji-Hyun Kim, Jin-Hyoung Seo, Sun-Hwa Kwon, Ji-Hyun Kim, Min-Ju Kim, Young-Hun Lee, Young-Ki Kim
Patent number: 7952266
Abstract: 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 Y2O3:Eu, Y2O3:(Eu,Tb), Y2O2S:Eu, Y2O2S:(Eu,Tb), and combinations thereof. The white phosphor shows a color temperature of from 12,000K and 14,000K.
Type:
Grant
Filed:
August 6, 2008
Date of Patent:
May 31, 2011
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Yong-Chan You, Jae-Woo Bae, Gyeong-Jae Heo, Sang-Hyuk Lee, Kyu-Chan Park, Sun-Hwa Kwon, Ji-Hyun Kim, Young-Suk Cho, Ui-Song Do, Hui-Young Ku, Yoo-Jung Lee, Byung-Kyun Kim
Patent number: 7839468
Abstract: 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 (Sr1-xCax)Ga2S4:Eu (0?x<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 Y2O3:Eu, Y2O3:(Eu,Tb), Y2O2S:Eu, Y2O2S:(Eu,Tb), and a combination thereof.
Type:
Grant
Filed:
August 27, 2008
Date of Patent:
November 23, 2010
Assignee:
Samsung SDI Co., Ltd.
Inventors:
Yong-Chan You, Jae-Woo Bae, Gyeong-Jae Heo, Kyu-Chan Park, Sang-Hyuk Lee, Sun-Hwa Kwon, Ji-Hyun Kim, Young-Suk Cho, Ui-Song Do, Byung-Kyun Kim, Hui-Young Ku, Yoo-Jung Lee
Publication number: 20090206724
Abstract: A green phosphor, including a first phosphor represented by Formula 1: (Y3-xCex)aAlbOc??(1), wherein x, a, b, and c satisfy the relations: 0<x?1, 0.5?a?3, 3?b?9, and 2c=9a+3b; and a second phosphor including at least one of: Zn2SiO4:Mn, YBO3:Tb, Y(1-x1)Gdx1Al3(BO3)4:Tb, wherein x1 satisfies the relation 0?x1?1, Li2Zn(Ge,?)zO8:Mn, wherein ? includes Al or Ga, and z satisfies the relation 3?z?4, BaMgAl10O17:Mn, BaMgAl12O19:Mn, and Zn(Ga1-x2Alx2)2O4:Mn, wherein x2 satisfies the relation 0.2?x2?0.8.
Type:
Application
Filed:
January 29, 2009
Publication date:
August 20, 2009
Inventors:
Ji-Hyun Kim, Yoon-Chang Kim, Yong-Chan You, Do-Hyung Park, Ick-Kyu Choi, Min-Ju Kim, Gyeong-Jae Heo, Mi-Ran Song, Hyun-Deok Lee, Jay-Hyok Song, Sun-Hwa Kwon, Yu-Mi Song, Jin-Hyoung Seo, Young-Hun Lee, Ji-Hyun Kim, Young-Ki Kim
Publication number: 20090195142
Abstract: A phosphor composition for a display device, including a phosphor represented by Formula 1: Y3-x-k-zCekMzM?xAla-yM?yO(1.5a+4.5) ??(1). In Formula 1, M includes at least one of Tb, Dy, and Eu, M? includes at least one of Sc, Gd, In, and La, M? 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?x<3.0, 0.0?y?7.0, 0.0<k<0.1, 0.0<z<0.5, 4.0?a?7.0, a-y?0.0, x+k+z?3.0, and 0.01?z/k?20.
Type:
Application
Filed:
January 29, 2009
Publication date:
August 6, 2009
Inventors:
Jay-Hyok Song, Yu-Mi Song, Yoon-Chang Kim, Do-Hyung Park, Yong-Chan You, Gyeong-Jae Heo, Ick-Kyu Choi, Mi-Ran Song, Seon-Young Kwon, Hyun-Deok Lee, Ji-Hyun Kim, Jin-Hyoung Seo, Sun-Hwa Kwon, Ji-Hyun Kim, Min-Ju Kim, Young-Hun Lee, Young-Ki Kim
Publication number: 20090195143
Abstract: The phosphor composition including a first phosphor represented by Formula 1: Y3?x?kCekM?xAla?yM?yO(1.5a+4.5)??(1). In Formula 1, M? includes at least one of Sc, In, and La, M? includes at least one of Ga, Sc, and In, and x, y, k, and a satisfy the relations: 0.0?x<3.0, 0.0<y?7.0, 0.0<k<0.1, 4.0?a?7.0, a?y?0.0, and x+k?3.0.
Type:
Application
Filed:
February 4, 2009
Publication date:
August 6, 2009
Inventors:
Jay-Hyok Song, Yu-Mi Song, Yoon-Chang Kim, Do-Hyung Park, Yong-Chan You, Gyeong-Jae Heo, Ick-Kyu Choi, Mi-Ran Song, Seon-Young Kwon, Hyun-Deok Lee, Ji-Hyun Kim, Jin-Hyoung Seo, Sun-Hwa Kwon, Ji-Hyun Kim, Min-Ju Kim, Young-Hun Lee, Young-Ki Kim
Publication number: 20090174841
Abstract: 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 (Sr1-xCax)Ga2S4:Eu (0?x<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 Y2O3:Eu, Y2O3:(Eu,Tb), Y2O2S:Eu, Y2O2S:(Eu,Tb), and a combination thereof.
Type:
Application
Filed:
August 27, 2008
Publication date:
July 9, 2009
Applicant:
Samsung SDI Co., Ltd.
Inventors:
Yong-Chan YOU, Jae-Woo Bae, Gyeong-Jae Heo, Kyu-Chan Park, Sang-Hyuk Lee, Sun-Hwa Kwon, Ji-Hyun Kim, Young-Suk Cho, Ui-Song Do, Byung-Kyun Kim, Hui-Young Ku, Yoo-Jung Lee
Publication number: 20090051268
Abstract: 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 Y2O3:Eu, Y2O3:(Eu,Tb), Y2O2S:Eu, Y2O2S:(Eu,Tb), and combinations thereof. The white phosphor shows a color temperature of from 12,000K and 14,000K.
Type:
Application
Filed:
August 6, 2008
Publication date:
February 26, 2009
Applicant:
Samsung SDI Co., Ltd.
Inventors:
Yong-Chan You, Jae-Woo Bae, Gyeong-Jae Heo, Sang-Hyuk Lee, Kyu-Chan Park, Sun-Hwa Kwon, Ji-Hyun Kim, Young-Suk Cho, Ul-Song Do, Hui-Young Ku, Yoo-Jung Lee, Byung-Kyun Kim