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:
Dec. 12, 2006
Filed:
Feb. 02, 2005
Hidefumi Yasuda, Kanagawa-ken, JP;
Yuko Kato, Kanagawa-ken, JP;
Kazuyoshi Furukawa, Kanagawa-ken, JP;
Hidefumi Yasuda, Kanagawa-ken, JP;
Yuko Kato, Kanagawa-ken, JP;
Kazuyoshi Furukawa, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A semiconductor light emitting device comprises: a substrate having first and second major surfaces; a light emitting layer provided in a first portion on the first major surface of the substrate; a first electrode provided above the light emitting layer; a second electrode provided in a second portion on the first major surface of the substrate, the second portion being different from the first portion; and a protrusion provided on the second major surface of the substrate, the protrusion having a planar shape that reflects a planar shape of a light emitting area of the light emitting layer, the light emitting area being sandwiched between the first electrode and the second electrode and facing the protrusion.