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:
Oct. 19, 2021
Filed:
Aug. 04, 2020
Applicant:
Amtran Technology Co., Ltd., New Taipei, TW;
Inventor:
Hung-Ta Yu, New Taipei, TW;
Assignee:
AmTRAN Technology Co., Ltd., New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/56 (2010.01); H01L 33/58 (2010.01); H01L 25/075 (2006.01); H01L 33/54 (2010.01); H01L 33/48 (2010.01);
U.S. Cl.
CPC ...
H01L 33/56 (2013.01); H01L 25/0753 (2013.01); H01L 33/58 (2013.01); H01L 33/486 (2013.01); H01L 33/54 (2013.01); H01L 2933/0091 (2013.01);
Abstract
A light-emitting diode (LED) device includes: an LED chip, a first lens, and a second lens. The first lens is disposed over the LED chip and configured to increase the light extraction efficiency of the LED device, and the first lens includes a first content of titanium dioxide. The second lens is disposed over the first lens and configured to alter the light pattern of the LED device, and the second lens includes a second content of titanium dioxide. The second content of titanium dioxide is more than the first content of titanium dioxide.