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. 18, 2003
Filed:
Jan. 29, 2002
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
In a light emitting diode having a light emitting chip and a lens portion for containing the chip , the lens portion has a direct light area for use in emitting the light emitted from the chip outside as direct light and a reflected light area for use in emitting the light emitted from the chip and passed through the lens portion toward a reflective member provided outside the lens portion , in which the direct light area is formed so as to have a configuration irrotationally symmetric around the optical axis of an element, and the peripheral portion of the direct light area or the side portion of the lens portion is used as the reflected light area , which is formed so as to have a configuration rotationally symmetric around the optical axis of the element.