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:
Nov. 24, 1998
Filed:
Jul. 10, 1997
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A semiconductor light emitting device includes at least two semiconductor light emitting elements which emit different colors of light to each other. The device further includes a lead frame for supporting the light emitting elements and a resin molding for sealing these elements. The external form of this resin molding is an ellipsoid or a part of an ellipsoid in which the curvature in the perpendicular direction to the element row is designed to be smaller than that in the parallel direction to the row. As a result, the device has a widely spread mixed color range especially in the perpendicular direction to the element row and high luminous intensity especially in the parallel direction to the element row. So, a multicolor light emitting device having a high ability of color mixture as well as high luminous intensity can be obtained.