Green fluorescent powder composition and cathode ray tube manufactured therefrom


Application Number: 00108895
Application Date: 2000.04.14
Publication Number: 1270382
Publication Date: 2000.10.18
Priority Information: 1999/4/14 KR 13148/99
International: C09K11/00;G09G1/06
Applicant(s) Name: Samsung SDI Co., Ltd.
Address:
Inventor(s) Name: Ho Gyong-Chae;Youn Won-Ho;Chong Jwa-Yong
Patent Agency Code: 72001
Patent Agent: wang jihao
Abstract Disclosed is a green-emitting phosphor composition comprises: 75 to 95 wt % of a phosphor of the formula Y2SiO5:Tb, and 5 to 25 wt % of a phosphor of the formula SrGa2S4:Eu. The composition has excellent luminance, degradation and afterglow characteristics so that it can be advantageously used for manufacturing projection type CRTs.