JP2003157710A5 - - Google Patents

Download PDF

Info

Publication number
JP2003157710A5
JP2003157710A5 JP2001358695A JP2001358695A JP2003157710A5 JP 2003157710 A5 JP2003157710 A5 JP 2003157710A5 JP 2001358695 A JP2001358695 A JP 2001358695A JP 2001358695 A JP2001358695 A JP 2001358695A JP 2003157710 A5 JP2003157710 A5 JP 2003157710A5
Authority
JP
Japan
Prior art keywords
light
light guide
face
incident end
source device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2001358695A
Other languages
Japanese (ja)
Other versions
JP2003157710A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2001358695A priority Critical patent/JP2003157710A/en
Priority claimed from JP2001358695A external-priority patent/JP2003157710A/en
Publication of JP2003157710A publication Critical patent/JP2003157710A/en
Publication of JP2003157710A5 publication Critical patent/JP2003157710A5/ja
Pending legal-status Critical Current

Links

Description

【0006】
【課題を解決するための手段】
上記課題を解決するために成された本発明の第1の形態は、複数のLEDと各LEDの前方に近接してそれぞれ設けられたコリメートレンズとを一対に備え、束状で且つほぼ平行な光を放射する光放射手段と、該光放射手段の前方に設けられ、前記ほぼ平行な光をライトガイドの入射端面に集光するフレネルレンズからなる集光手段とから構成し、該ライトガイドの入射端面からその内部に光を送り込むためのライトガイド光源装置に於いて、
前記集光手段と前記ライトガイドの入射端面との離間距離が変更可能で、且つ該集光手段が交換容易であるように、前記光放射手段、集光手段及びライトガイドを保持する保持手段を備えたことを特徴としている。
[0006]
[Means for Solving the Problems]
A first aspect of the present invention, which has been made to solve the above problems, includes a plurality of LEDs and a collimating lens provided close to the front of each of the LEDs, and is in a bundle and substantially parallel. A light emitting means for emitting light; and a focusing means comprising a Fresnel lens provided in front of the light emitting means for focusing the substantially parallel light on the incident end face of the light guide In a light guide light source device for sending light into the inside from the incident end face,
Holding means for holding the light emitting means, the light collecting means and the light guide so that the separation distance between the light collecting means and the incident end face of the light guide can be changed and the light collecting means can be replaced easily It is characterized by being equipped.

Claims (2)

複数のLEDと各LEDの前方に近接してそれぞれ設けられたコリメートレンズとを一対に備え、束状で且つほぼ平行な光を放射する光放射手段と、該光放射手段の前方に設けられ、前記ほぼ平行な光をライトガイドの入射端面に集光するフレネルレンズからなる集光手段とから構成し、該ライトガイドの入射端面からその内部に光を送り込むためのライトガイド光源装置に於いて、
前記集光手段と前記ライトガイドの入射端面との離間距離が変更可能で、且つ該集光手段が交換容易であるように、前記光放射手段、集光手段及びライトガイドを保持する保持手段を備えたことを特徴とするライトガイド光源装置。
A plurality of LEDs and a collimating lens provided close to the front of each of the LEDs, and provided in front of the light emitting means, light emitting means for emitting bundle-like and substantially parallel light; A light guide light source device comprising a focusing means comprising a Fresnel lens for focusing the substantially parallel light onto the incident end face of the light guide, and for sending light into the interior from the incident end face of the light guide,
Holding means for holding the light emitting means, the light collecting means and the light guide so that the separation distance between the light collecting means and the incident end face of the light guide can be changed and the light collecting means can be replaced easily A light guide light source device characterized by comprising.
前記保持手段は、前記光放射手段及び前記ライトガイドを固定的に保持し、その間に介挿される前記集光手段を光軸方向にスライド移動可能に保持して成ることを特徴とする請求項1に記載のライトガイド光源装置。  The holding means is characterized in that the light emitting means and the light guide are fixedly held, and the light collecting means interposed therebetween is held slidably in the optical axis direction. The light guide light source device according to claim 1.
JP2001358695A 2001-11-26 2001-11-26 Light source for light guide Pending JP2003157710A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001358695A JP2003157710A (en) 2001-11-26 2001-11-26 Light source for light guide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001358695A JP2003157710A (en) 2001-11-26 2001-11-26 Light source for light guide

Publications (2)

Publication Number Publication Date
JP2003157710A JP2003157710A (en) 2003-05-30
JP2003157710A5 true JP2003157710A5 (en) 2005-05-19

Family

ID=19169831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001358695A Pending JP2003157710A (en) 2001-11-26 2001-11-26 Light source for light guide

Country Status (1)

Country Link
JP (1) JP2003157710A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005070021A (en) * 2003-08-28 2005-03-17 Yokogawa Electric Corp Light source device for inspection
JP2006003134A (en) * 2004-06-16 2006-01-05 Maki Mfg Co Ltd Visual inspection system of agricultural products
KR100619070B1 (en) 2005-03-08 2006-08-31 삼성전자주식회사 Illuminating unit and projection type image display apparatus employing the same
JP2007087712A (en) * 2005-09-21 2007-04-05 Toshiba Lighting & Technology Corp Lamp
JP5783674B2 (en) * 2009-12-24 2015-09-24 株式会社アイテックシステム Lighting device in an apparatus for inspecting the surface of a long object using a line sensor camera
JP5796198B2 (en) * 2011-05-24 2015-10-21 パナソニックIpマネジメント株式会社 Lighting device
JP5950004B2 (en) * 2015-07-21 2016-07-13 株式会社アイテックシステム Lighting device in an apparatus for inspecting the surface of a long object using a line sensor camera
KR101580599B1 (en) * 2015-07-27 2015-12-29 한신전자 (주) Focusing apparatus for lens of searchlight
WO2019186718A1 (en) * 2018-03-27 2019-10-03 株式会社住田光学ガラス Optical fiber bundle, endoscope scope, and endoscope
CN114144613B (en) * 2019-07-19 2024-05-24 松下知识产权经营株式会社 Lighting device

Similar Documents

Publication Publication Date Title
WO2007018927A3 (en) A light-conducting pedestal configuration for an led
JP2001124984A5 (en)
JP2018533180A5 (en)
JP2008501998A5 (en)
JP2006215476A5 (en)
JP2003157710A5 (en)
AU2002241700A1 (en) Variable focal length micro lens array field curvature corrector
EP1718084A3 (en) Illumination unit and image projection apparatus having the same
JP2001166214A5 (en)
EP1839438A4 (en) Thin type projector
JP2003156683A5 (en)
WO2006098919A3 (en) Micromirror array lens with focal length gradient
EP2036484A3 (en) Light source device
TW200801397A (en) Illumination system and projection apparatus
JP2004070339A5 (en)
JPS633288B2 (en)
ATE334031T1 (en) LIGHT SIGNAL
JP2005338341A5 (en)
EP1382996A4 (en) Illuminating optical system and projector
JP2009201149A5 (en)
CN204215104U (en) Even photoimaging optical system
JP5587897B2 (en) Stereoscopic illumination system for microscope
TW200519403A (en) Optical pickup device and optical system used for the same
CA2476644A1 (en) Led signal with side emitting status indicators
JP2010026262A5 (en)