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:
Jul. 13, 2010
Filed:
Jun. 24, 2008
Applicant:
Chia-yu Liu, Taipei, TW;
Inventor:
Chia-Yu Liu, Taipei, TW;
Assignee:
Lite-On It Corporation, Taipei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 9/16 (2006.01); F21V 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lighting device includes a light source, at least one seal block, at least one wavelength conversion material and a concentration adjusting unit. The light source emits light of a first wavelength. The wavelength conversion material is filled in the seal block. The concentration adjusting unit is disposed on the seal block for controlling concentration distribution of the wavelength conversion material in the seal block. The light emitted by the light source is absorbed by the wavelength conversion material and converted into light of second wavelength different from the first wavelength.