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:
Jan. 01, 2019
Filed:
Jun. 23, 2014
Citizen Holdings Co., Ltd., Nishitokyo-shi, Tokyo, JP;
Citizen Electronics Co., Ltd., Fujiyoshida-shi, Yamanashi, JP;
Isao Miyashita, Fujiyoshida, JP;
Taku Kumasaka, Fujiyoshida, JP;
Keita Watanabe, Fujiyoshida, JP;
Kosuke Tsuchiya, Fujiyoshida, JP;
Citizen Watch Co., Ltd., Tokyo, JP;
Citizen Electronics Co., Ltd., Yamanashi, JP;
Abstract
Provided is an LED device presenting minimal risk of bottom-surface contamination even when foreign substances such as liquids adhere thereto. The LED device has an LED die, a submount substrate on the surface of which the LED die is mounted, a frame-shaped electrode disposed along the outer circumferential part of the bottom surface of the submount substrate, and an inner-side electrode surrounded by the frame-shaped electrode and connected to the electrode of the LED die. In the LED device, the frame-shaped electrode is disposed along the entire outer circumferential part of the bottom surface. In an LED device, the bottom surface is rectangular, and the frame-shaped electrode is disposed along three sides of the bottom surface.