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Patent Searching and Data


Title:
OPTICAL CONVERTING DEVICE, AND ILLUMINATING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/201129
Kind Code:
A1
Abstract:
This optical converting device is provided with a first wavelength converting portion, and a longpass filter. The first wavelength converting portion accepts exciting light emitted from an emitting portion, and emits fluorescence having a wavelength longer than that of the exciting light. The longpass filter transmits the fluorescence emitted by the first wavelength converting portion, and reflects the exciting light that has been transmitted through or reflected by the first wavelength converting portion, causing said exciting light to be incident on the first wavelength converting portion.

Inventors:
NIINO NORITAKA (JP)
YAMADA RYUJI (JP)
Application Number:
PCT/JP2021/013930
Publication Date:
October 07, 2021
Filing Date:
March 31, 2021
Export Citation:
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Assignee:
KYOCERA CORP (JP)
International Classes:
F21V8/00; F21V7/08; F21V7/26; F21V7/28; F21V29/502; F21V29/70; G02B5/20; G02B5/26; H01L33/50; H01S5/022; F21Y115/10; F21Y115/30
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
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