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:
Sep. 20, 2011
Filed:
Dec. 19, 2006
Takaki Yasuda, Chiba, JP;
Hideki Tomozawa, Ichihara, JP;
Takaki Yasuda, Chiba, JP;
Hideki Tomozawa, Ichihara, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
A flip-chip type semiconductor light-emitting device having a positive electrode and a negative electrode similar in electrode area and capable of preventing the misalignment of the light-emitting device by utilizing the self alignment effect in manufacturing a light-emitting diode lamp and a printed circuit board for the flip-chip type semiconductor light-emitting device are provided. Furthermore, adopted are a flip-chip type semiconductor light-emitting devicewhich is provided with a negative electrode pad and a positive electrode pad formed on the side opposite the transparent substrate side of the semiconductor layer, wherein each of the electrode pads is formed in the same shape as each other and a printed circuit board for the light-emitting device has a pair of the electrode patterns which are formed in the same shape as each other. Still furthermore, a soldering film is included in each of the electrode pads.