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. 19, 2016
Filed:
Nov. 25, 2013
Citizen Electronics Co., Ltd., Yamanashi-ken, JP;
Citizen Holdings Co., Ltd., Tokyo, JP;
Takakazu Yano, Tokyo, JP;
Tsuyoshi Miura, Yamanashi-ken, JP;
CITIZEN ELECTRONICS CO., LTD., Yamanashi-Ken, JP;
CITIZEN HOLDINGS CO., LTD., Tokyo, JP;
Abstract
In a first aspect of the present inventive subject matter, a light source includes a substrate that includes a first electrode and a second electrode, and light-emitting elements arranged in an area and divided into groups each including a same number N of light-emitting elements that are electrically connected to one another in series in each group of the groups and that are electrically connected in series to the first electrode and to the second electrode of the substrate, and the light-emitting elements include a first light-emitting element that is configured to start emitting light when a voltage applied to the light-emitting elements exceeds a first voltage value, and the light-emitting elements except the first light-emitting element are configured to start emitting light when the voltage exceeds a second voltage value that is higher than the first voltage value. Also, a lighting device including the light source is disclosed.