Title:
光学ホイール、光源装置及び投影装置
Document Type and Number:
Japanese Patent JP7460970
Kind Code:
B2
Abstract:
An optical wheel according to the present invention includes a luminescent material light emitting area on which light in a first wavelength range is incident from one side to thereby emit luminescent light excited by the light in the first wavelength range from another side, and a controlling and diffusing optical area including a controlling section on which the light in the first wavelength range is incident from the one side and configured to cause a diffusing characteristic of the light in the first wavelength range to differ between in a radial direction and in a circumferential direction.
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Inventors:
Hidemasa Kurosaki
Application Number:
JP2023031661A
Publication Date:
April 03, 2024
Filing Date:
March 02, 2023
Export Citation:
Assignee:
CASIO COMPUTER CO.,LTD.
International Classes:
G03B21/14; F21S2/00; F21V3/00; F21V3/06; F21V3/08; F21V5/02; F21V5/04; F21V7/28; F21V9/32; F21V9/40; G03B21/00; H04N5/74; H04N9/31
Domestic Patent References:
| JP2014163974A | ||||
| JP2014224973A | ||||
| JP2011141450A | ||||
| JP2017227862A | ||||
| JP2015148664A | ||||
| JP2017116681A | ||||
| JP2007316607A |
Foreign References:
| CN105573030A | ||||
| CN102073115A | ||||
| US20070230179 |
Attorney, Agent or Firm:
Cosmo International Patent Office