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Publication number
JP2007095603A5
JP2007095603A5 JP2005286361A JP2005286361A JP2007095603A5 JP 2007095603 A5 JP2007095603 A5 JP 2007095603A5 JP 2005286361 A JP2005286361 A JP 2005286361A JP 2005286361 A JP2005286361 A JP 2005286361A JP 2007095603 A5 JP2007095603 A5 JP 2007095603A5
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JP
Japan
Prior art keywords
light
light source
led
guide plate
diffusion reflection
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.)
Granted
Application number
JP2005286361A
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Japanese (ja)
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JP4434120B2 (en
JP2007095603A (en
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Publication date
Application filed filed Critical
Priority to JP2005286361A priority Critical patent/JP4434120B2/en
Priority claimed from JP2005286361A external-priority patent/JP4434120B2/en
Publication of JP2007095603A publication Critical patent/JP2007095603A/en
Publication of JP2007095603A5 publication Critical patent/JP2007095603A5/ja
Application granted granted Critical
Publication of JP4434120B2 publication Critical patent/JP4434120B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (2)

ＬＥＤ光源と、
前記ＬＥＤ光源の光放出側に配置される導光板であって、前記ＬＥＤ光源に対向する光導入面と、裏面側の一部に光拡散反射処理が施されて形成された複数の光拡散反射領域とを有し、前記光拡散反射処理が前記光拡散領域ごとに異なる、導光板と、を備え、
前記複数の光拡散反射領域の一部には凸プリズム状パターンが施され、他の一部には凸レンズ状パターンが施されている光源装置。 An LED light source;
A light guide plate disposed on a light emission side of the LED light source, and a plurality of light diffuse reflections formed by performing a light diffusion reflection process on a light introduction surface facing the LED light source and a part on the back surface side A light guide plate having a region, and the light diffusion reflection process is different for each light diffusion region,
A light source device in which a convex prism-like pattern is applied to a part of the plurality of light diffusion reflection regions and a convex lens-like pattern is applied to the other part . 前記ＬＥＤ光源は複数のＬＥＤ装置を備え、該複数のＬＥＤ装置の各光軸は、前記導光板において、前記複数の光拡散反射領域のいずれかの前方に位置する導光体部分又はその近傍を通る、請求項１に記載の光源装置。   The LED light source includes a plurality of LED devices, and each optical axis of the plurality of LED devices is a light guide plate portion located in front of one of the plurality of light diffusion reflection regions or the vicinity thereof in the light guide plate. The light source device according to claim 1, which passes through.
JP2005286361A 2005-09-30 2005-09-30 Light source device Expired - Fee Related JP4434120B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005286361A JP4434120B2 (en) 2005-09-30 2005-09-30 Light source device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005286361A JP4434120B2 (en) 2005-09-30 2005-09-30 Light source device

Publications (3)

Publication Number Publication Date
JP2007095603A JP2007095603A (en) 2007-04-12
JP2007095603A5 true JP2007095603A5 (en) 2007-11-29
JP4434120B2 JP4434120B2 (en) 2010-03-17

Family

ID=37981029

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005286361A Expired - Fee Related JP4434120B2 (en) 2005-09-30 2005-09-30 Light source device

Country Status (1)

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JP (1) JP4434120B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4966146B2 (en) * 2007-09-25 2012-07-04 パナソニック株式会社 Surface emitting device
JP2009259708A (en) * 2008-04-18 2009-11-05 Fujikura Ltd Display device and light guide to be used for the same
JP2010083211A (en) * 2008-09-29 2010-04-15 Toyoda Gosei Co Ltd Lighting system for vehicle interior
JP6438905B2 (en) * 2016-04-04 2018-12-19 矢崎総業株式会社 Interior lighting device
KR102651806B1 (en) * 2016-12-21 2024-03-28 엘지디스플레이 주식회사 Display panel and multi-layer display device including the same
TWI612251B (en) * 2017-01-03 2018-01-21 聯嘉光電股份有限公司 Light emitting devices
JP2022043910A (en) * 2020-09-04 2022-03-16 日機装株式会社 Irradiation equipment and stacking equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4341263B2 (en) * 2003-03-06 2009-10-07 凸版印刷株式会社 Light guide and display body using the same
JP4470388B2 (en) * 2003-04-16 2010-06-02 凸版印刷株式会社 Light guide plate, illumination device using the same, and display device

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