Title:
OPTICAL LENS MOUNTING STRUCTURE FOR LED ILLUMINATION, LENS MOUNTING METHOD, LED ILLUMINATION APPARATUS, AND LED ILLUMINATION APPARATUS MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/068058
Kind Code:
A1
Abstract:
Provided is a lens mounting structure which enables reduction in the number of positioning holes (21) in an LED substrate (20) without increasing alignment errors between LEDs (10) on the LED substrate (20) and lenses (30) fixed to housings (40). A lens mounting structure according to the present invention comprises: an LED substrate (20) having mounted thereon a plurality of LEDs (10) and having positioning holes (21), the number of which is the same as that of a plurality of housings (40); the plurality of housings (40) that have protrusion parts (41) to be engaged with the respective positioning holes (21) and that are disposed on the LED substrate (20); lenses (30) fixed to the respective housings (40); and a cover (60) for holding the lenses (30) and light emitting sides of the housings (40). The housings (40) are connected to the adjoining housings (40) by connection parts (42), (43), and are positioned through the engagement between the positioning holes (21) and the protrusion parts (41) and through the connection by the connection parts (42), (43). The positioned state is held by the cover (60).
Inventors:
KONDO TOSHIYUKI (JP)
MOGI TAKASHI (JP)
MOGI TAKASHI (JP)
Application Number:
PCT/JP2022/037328
Publication Date:
April 27, 2023
Filing Date:
October 05, 2022
Export Citation:
Assignee:
HOTALUX LTD (JP)
International Classes:
F21V5/00; F21S2/00; F21V17/00; F21Y103/10; F21Y115/10
Foreign References:
| CN210266783U | 2020-04-07 | |||
| KR20130131270A | 2013-12-03 |
Attorney, Agent or Firm:
TSUJIMARU Koichiro et al. (JP)
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