Invention Grant
- Patent Title: Wavelength conversion element, method of manufacturing the same, and LED element and semiconductor laser light emitting device using wavelength conversion element
- Patent Title (中): 波长转换元件及其制造方法以及使用波长转换元件的LED元件和半导体激光发光器件
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Application No.: US14070882Application Date: 2013-11-04
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Publication No.: US08854725B2Publication Date: 2014-10-07
- Inventor: Takahiro Hamada , Nobuyasu Suzuki , Kenji Orita , Nobuaki Nagao
- Applicant: Panasonic Corporation
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Renner, Otto, Boisselle & Sklar, LLP
- Priority: JP2012-112163 20120516; JP2012-113250 20120517; JP2012-116188 20120522
- Main IPC: G02F1/355
- IPC: G02F1/355 ; H01L33/50 ; C09K11/08 ; G03B21/14 ; F21K99/00 ; H01S5/022 ; H01L33/48 ; H01S5/00
Abstract:
A wavelength conversion element disclosed in the present application includes a phosphor layer including a plurality of phosphor particles and a matrix that is located among the plurality of phosphor particles and is formed of zinc oxide. The zinc oxide is columnar crystals or a single crystal in a c-axis orientation.
Public/Granted literature
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