Title:
光学部材、光学システム、照明システム、表示システム及び移動体
Document Type and Number:
Japanese Patent JP7365628
Kind Code:
B2
Abstract:
To provide an optical member, an optical system, an illuminating system, a display system, and a moving body that can improve introduction efficiency of light.SOLUTION: An optical member 20 comprises an incident lens 21 and an emitting part 22. The optical member 20 emits light incident on the incident lens 21 from a light source 4, from the emitting part 22. The incident lens 21 comprises a main incident surface 211 and a subsidiary incident surface 212. The main incident surface 211 is arranged so as to be opposed to the light source 4. The subsidiary incident surface 212 is directed to a normal line L21 of the main incident surface 211, and located in at least a portion around the main incident surface 211. An optical axis Ax2 of the light source 4 is inclined with respect to the normal line L21 of the main incident surface 211.SELECTED DRAWING: Figure 2
Inventors:
Peace of water
Kazumasa Takada
Masaru Fujita
Kazumasa Takada
Masaru Fujita
Application Number:
JP2019146732A
Publication Date:
October 20, 2023
Filing Date:
August 08, 2019
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
F21S2/00; F21V5/02; F21V5/04; G02B27/01; H04N5/74
Domestic Patent References:
| JP2014182939A | ||||
| JP2017188298A | ||||
| JP62278505A | ||||
| JP1209479A |
Foreign References:
| WO2017154993A1 |
Attorney, Agent or Firm:
Hokuto Patent Attorneys Office
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