Title:
LED LIGHT RADIATING DEVICE, AND INSPECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/124057
Kind Code:
A1
Abstract:
In order to provide an LED light radiating device with which it is possible to improve illumination intensity uniformity in a system equipped with a telecentric optical system, this LED light radiating device is provided with: an LED light source 1 equipped with a light emitting surface; a plano-convex lens 2 provided in such a way that the convex surface faces the light emitting surface; and a rod lens 3 provided in such a way that light emitted from the planar surface of the plano-convex lens 2 is incident on an incident end surface.
Inventors:
KOYAMA TAKAHIKO (JP)
YOSHIMURA NORIHISA (JP)
YOSHIMURA NORIHISA (JP)
Application Number:
PCT/JP2021/042662
Publication Date:
June 16, 2022
Filing Date:
November 19, 2021
Export Citation:
Assignee:
CCS INC (JP)
International Classes:
G02B13/00; G01N21/84; G02B3/00; H01L33/00; H01L33/58
Domestic Patent References:
| WO2007013563A1 | 2007-02-01 | |||
| WO2017043122A1 | 2017-03-16 | |||
| WO2020095843A1 | 2020-05-14 |
Foreign References:
| JP2006267530A | 2006-10-05 | |||
| JPS56108117U | 1981-08-22 |
Attorney, Agent or Firm:
NISHIMURA, Ryuhei (JP)
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