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:
Aug. 23, 2011
Filed:
Nov. 24, 2008
Chun-chu Yang, Kaohsiung, TW;
Chun-Chu Yang, Kaohsiung, TW;
Other;
Abstract
The present invention provides a fabrication method of coaxial line laser diodes and a coaxial lighting optical fiber which disperses and guides uniform emission of light from a coaxial line laser diode. The line coaxial laser diode can be extended at a greater length to generate more spontaneous emission photons which are emitted from an elongated tubular active layer. The active layer has a uniform built-in electric field to distribute uniform current therein to get higher quantum efficiency. The length of the coaxial laser diode can be increased through a VLSED method. A longer laser ingot can be produced and cut to a large number of coaxial laser diodes. This method can reduce the waste of cutting in the wafer process and get larger lighting areas. Both the coaxial line laser diode and the coaxial lighting optical fiber can be coupled to form a high efficiency white-emitting luminescence device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile