The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 01, 2013
Filed:
Jun. 03, 2009
Applicants:
Soshchin Naum, Changhua, TW;
Wei-hung Lo, Taipei, TW;
Chi-ruei Tsai, Taipei, TW;
Inventors:
Assignees:
Wei-Hung Lo, Taipei, TW;
Chien-Yi Chen, Niaosong Township, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/64 (2006.01); C09K 11/02 (2006.01); H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
Abstract
The invention discloses a red phosphor powder which is based on strontium (Sr) aluminate and using europium (Eu) as exciting agent, and is characterized by that its chemical equivalence formula is (SrO)(ΣMeO)AlO: Eu, wherein Me=Mg and/or Ca and/or Ba. The present invention also discloses a manufacturing process for the red phosphor powder and a warm white light-emitting diode employing the phosphor powder. Moreover, the present invention also discloses a multi-layer polyethylene thin film using the red phosphor powder.