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:
May. 05, 2015
Filed:
Feb. 29, 2012
Kohei Mizuta, Kyoto, JP;
Akio Yabugami, Kyoto, JP;
Hiroaki Tsujii, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
A Light Emitting Diode (LED) illumination device having a pleasant appearance and capable of uniform illumination is provided. The LED illumination device () includes a support portion () having a first support surface () and a second support surface (), wherein the first support surface () faces downward, and the second support surface () faces downward, is located at a position higher than the first support surface (), and surrounds the first support surface (); a plurality of LED chips (), including a plurality of first LED chips () supported on the first support surface () and a plurality of second LED chips () supported on the second support surface (); and a mask (), located at a lower position with respect to the support portion (), penetrated by light from the LED chips (), and including a tilted portion () inclining downward toward the center.