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. 10, 2018
Filed:
Jun. 15, 2015
Citizen Electronics Co., Ltd., Fujiyoshida, Yamanashi, JP;
Citizen Watch Co., Ltd., Tokyo, JP;
Toshiyuki Mizuno, Yamanashi, JP;
Kazuya Ishihara, Tsuru, JP;
Akira Watanabe, Fujiyoshida, JP;
Yasuo Nakanishi, Yamanashi, JP;
CITIZEN ELECTRONICS CO., LTD., Yamanashi, JP;
CITIZEN WATCH CO., LTD., Tokyo, JP;
Abstract
An LED light emitting device with good color mixing property is provided. The LED light emitting device including a rectangular substrate having a short-side and a long-side and a first LED element, a second LED element and a third LED element that are mounted on a surface of the substrate and emit light with wavelengths different from one another, wherein the first LED element and the second LED element are mounted on the substrate so that a first distance from the short-side to a mounting position of the first LED element in the long-side direction of the substrate and a second distance from the short-side to a mounting position of the second LED element in the long-side direction are the same.