JP2003114432A5 - - Google Patents

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Publication number
JP2003114432A5
JP2003114432A5 JP2001309134A JP2001309134A JP2003114432A5 JP 2003114432 A5 JP2003114432 A5 JP 2003114432A5 JP 2001309134 A JP2001309134 A JP 2001309134A JP 2001309134 A JP2001309134 A JP 2001309134A JP 2003114432 A5 JP2003114432 A5 JP 2003114432A5
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JP
Japan
Prior art keywords
light
light source
guide
opposite
light guide
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
JP2001309134A
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Japanese (ja)
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JP2003114432A (en
JP4119633B2 (en
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2001309134A external-priority patent/JP4119633B2/en
Priority to JP2001309134A priority Critical patent/JP4119633B2/en
Priority to TW091122944A priority patent/TW589470B/en
Priority to PCT/JP2002/010369 priority patent/WO2003031869A1/en
Priority to KR1020047004985A priority patent/KR100863865B1/en
Priority to CNB028189442A priority patent/CN100460751C/en
Priority to US10/491,635 priority patent/US20040246697A1/en
Publication of JP2003114432A publication Critical patent/JP2003114432A/en
Publication of JP2003114432A5 publication Critical patent/JP2003114432A5/ja
Priority to US12/081,199 priority patent/US7736045B2/en
Publication of JP4119633B2 publication Critical patent/JP4119633B2/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (4)

一次光源から発せられる光を導光し、且つ前記一次光源から発せられる光が入射する光入射端面及び導光される光が出射する光出射面を有する板状の導光体であって、
前記光出射面及びその反対側の裏面のうちの一方に、前記光出射面に沿った面内での前記一次光源から前記導光体に入射した光の指向性の方向に略直交して延び且つ連続的または断続的に配列された複数のレンズ列が形成されており、該レンズ列のそれぞれの表面の少なくとも一部及び／又は前記レンズ列が形成された面の反対側の面の少なくとも一部に平均傾斜角が０．１〜８°の粗面が形成されていることを特徴とする面光源装置用導光体。And guiding the light emitted from the primary light source, a and plate-like light guide, wherein the light light emitted is light incident end face and the light guide is incident from the primary light source having a light emitting surface for emitting,
One of the light exit surface and the opposite back surface extends substantially perpendicular to the direction of directivity of light incident on the light guide from the primary light source in a plane along the light exit surface. In addition, a plurality of lens rows arranged continuously or intermittently are formed, and at least a part of each surface of the lens rows and / or at least one surface opposite to the surface on which the lens rows are formed. A light guide for a surface light source device, characterized in that a rough surface with an average inclination angle of 0.1 to 8 ° is formed in the part. 前記レンズ列が形成された面の反対側の面に、前記光出射面に沿った面内での前記一次光源から前記導光体に入射した光の伝搬方向に略沿って延びる複数の追加レンズ列が形成されていることを特徴とする、請求項１に記載の面光源装置用導光体。A plurality of additional lenses extending substantially along a propagation direction of light incident on the light guide from the primary light source in a plane along the light emitting surface on a surface opposite to the surface on which the lens row is formed The light guide for a surface light source device according to claim 1 , wherein a row is formed. 前記粗面は前記レンズ列の表面及び前記レンズ列が形成された面の反対側の面の双方に形成されており、これらの粗面の平均傾斜角は場所により異なっており、前記レンズ列の表面の粗面の平均傾斜角は前記反対側の面の表面の粗面の平均傾斜角が大きい領域ほど小さくなっていることを特徴とする、請求項１または２に記載の面光源装置用導光体。The rough surface is formed on both the surface of the lens array and the surface opposite to the surface on which the lens array is formed, and the average inclination angle of these rough surfaces differs depending on the location, 3. The surface light source device guide according to claim 1, wherein an average inclination angle of the rough surface is smaller in a region where the average inclination angle of the rough surface of the opposite surface is larger. Light body. 請求項１〜３のいずれかに記載の面光源装置用導光体と、該導光体の前記光入射端面に隣接して配置されている前記一次光源と、前記導光体の光出射面に隣接して配置されている光偏向素子とを備えており、該光偏向素子は、前記導光体の光出射面に対向して位置する入光面とその反対側の出光面とを有しており、前記入光面に複数のレンズ列を備えていることを特徴とする面光源装置。The light source for a surface light source device according to any one of claims 1 to 3, the primary light source disposed adjacent to the light incident end surface of the light guide, and a light emitting surface of the light guide A light deflection element disposed adjacent to the light guide element, the light deflection element having a light incident surface located opposite to the light emission surface of the light guide and a light emission surface on the opposite side thereof. A surface light source device comprising a plurality of lens rows on the light incident surface.
JP2001309134A 2001-10-04 2001-10-04 Surface light source device and light guide used therefor Expired - Fee Related JP4119633B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2001309134A JP4119633B2 (en) 2001-10-04 2001-10-04 Surface light source device and light guide used therefor
CNB028189442A CN100460751C (en) 2001-10-04 2002-10-04 Planar light source device and light guide therefor
PCT/JP2002/010369 WO2003031869A1 (en) 2001-10-04 2002-10-04 Area light source and lightguide used therefor
KR1020047004985A KR100863865B1 (en) 2001-10-04 2002-10-04 Area light source and lightguide used therefor
TW091122944A TW589470B (en) 2001-10-04 2002-10-04 Planar light source device and light guide therefor
US10/491,635 US20040246697A1 (en) 2001-10-04 2002-10-04 Area light source and lightguide used therefor
US12/081,199 US7736045B2 (en) 2001-10-04 2008-04-11 Area light source and lightguide used therefore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001309134A JP4119633B2 (en) 2001-10-04 2001-10-04 Surface light source device and light guide used therefor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2008091795A Division JP2008218418A (en) 2008-03-31 2008-03-31 Surface light source and light guide used for same

Publications (3)

Publication Number Publication Date
JP2003114432A JP2003114432A (en) 2003-04-18
JP2003114432A5 true JP2003114432A5 (en) 2005-06-16
JP4119633B2 JP4119633B2 (en) 2008-07-16

Family

ID=19128333

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001309134A Expired - Fee Related JP4119633B2 (en) 2001-10-04 2001-10-04 Surface light source device and light guide used therefor

Country Status (1)

Country Link
JP (1) JP4119633B2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4544517B2 (en) * 2003-07-15 2010-09-15 三菱レイヨン株式会社 Light source device
WO2005073625A1 (en) * 2004-01-29 2005-08-11 Mitsubishi Rayon Co., Ltd. Light guide for area light source, its production method, and area light source
KR100912361B1 (en) 2004-08-06 2009-08-19 가부시키가이샤 구라레 Light guide plate, production method therefor, and surface light source device provided with it
JP4808211B2 (en) 2005-03-17 2011-11-02 富士通株式会社 Illumination device and liquid crystal display device
JP4324133B2 (en) * 2005-06-14 2009-09-02 日本ライツ株式会社 Light guide plate and flat illumination device
JP5077715B2 (en) * 2006-01-31 2012-11-21 コニカミノルタアドバンストレイヤー株式会社 Light guide plate
JP2010177192A (en) * 2006-01-31 2010-08-12 Konica Minolta Opto Inc Light guide
JP2009087887A (en) * 2007-10-03 2009-04-23 Colcoat Kk Vehicular indoor illumination device
EP2239491A4 (en) * 2008-02-01 2016-09-14 Kuraray Co Surface light source element and image display device provided with the surface light source element
WO2013062159A1 (en) * 2011-10-27 2013-05-02 Lg Electronics Inc. Ultra slim collimator for light emitting diode
JP2013235120A (en) 2012-05-09 2013-11-21 Yazaki Corp Display light emitting unit

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