Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate
2007-10-02
2007-10-02
Kianni, K. Cyrus (Department: 2883)
Optical waveguides
Optical fiber waveguide with cladding
C385S014000, C385S015000
Reexamination Certificate
active
11456168
ABSTRACT:
A white light-emitting device using a fluorescent fiber includes a blue semiconductor light-emitting element (2) for emitting an excitation light (a), and an optical fiber (3) having one side end face and the other side end face, the excitation light (a) emitted from the blue semiconductor light-emitting element (2) being made incident to the one side end face to be guided to the other side end face. The optical fiber (3) includes a core containing therein a phosphor for emitting wavelength conversion lights by being excited by the excitation light (a) received from the blue semiconductor light-emitting element (2), and a cladding member (3B) having a light emission surface in its peripheral surface, at least a part of optically multiplexed lights, which are obtained by optically multiplexing the wavelength conversion lights and the excitation light, being emitted through the light emission surface.
REFERENCES:
patent: 6270244 (2001-08-01), Naum
patent: 6272269 (2001-08-01), Naum
patent: 2005/0256516 (2005-11-01), Boutoussov
patent: 2006/0113885 (2006-06-01), Iimura
patent: 2006/0275016 (2006-12-01), Boutoussov et al.
Ishii Osamu
Nagahama Shinobu
Sawanobori Naruhito
Yamazaki Masaaki
Barnes & Thornburg LLP
Conte James B.
Kianni K. Cyrus
Sumita Optical Glass Inc.
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