Invention Grant
- Patent Title: Wavelength conversion module, laser light source device, two-dimensional image display device, backlight light source, liquid crystal display device and laser processing device
- Patent Title (中): 波长转换模块，激光光源装置，二维图像显示装置，背光源，液晶显示装置和激光加工装置
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Application No.: US12090064Application Date: 2006-10-11
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Publication No.: US07692848B2Publication Date: 2010-04-06
- Inventor: Hiroyuki Furuya , Kazuhisa Yamamoto , Kiminori Mizuuchi
- Applicant: Hiroyuki Furuya , Kazuhisa Yamamoto , Kiminori Mizuuchi
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2005-297459 20051012
- International Application: PCT/JP2006/320226 WO 20061011
- International Announcement: WO2007/043560 WO 20070419
- Main IPC: G02F1/35
- IPC: G02F1/35 ; G02F2/02
Abstract:
A wavelength conversion module includes: a first fundamental wave propagation optical fiber for propagating a fundamental wave emitted from a laser light source; a first wavelength conversion element, optically connected to the first fundamental wave propagation optical fiber, for converting the fundamental wave emitted from the first fundamental wave propagation optical fiber into a harmonic wave; and a first harmonic propagation optical fiber, optically connected to the first wavelength conversion element, for propagating the harmonic wave emitted from the first wavelength conversion element, wherein the core diameter of the first harmonic propagation optical fiber is 0.5 to 0.9 times as large as the core diameter of first fundamental wave propagation optical fiber.
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