JP2006108032A5 - - Google Patents

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Publication number
JP2006108032A5
JP2006108032A5 JP2004296350A JP2004296350A JP2006108032A5 JP 2006108032 A5 JP2006108032 A5 JP 2006108032A5 JP 2004296350 A JP2004296350 A JP 2004296350A JP 2004296350 A JP2004296350 A JP 2004296350A JP 2006108032 A5 JP2006108032 A5 JP 2006108032A5
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JP
Japan
Prior art keywords
light
degrees
light source
emitted
incident
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
JP2004296350A
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Japanese (ja)
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JP2006108032A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004296350A priority Critical patent/JP2006108032A/en
Priority claimed from JP2004296350A external-priority patent/JP2006108032A/en
Priority to TW094133492A priority patent/TWI320121B/en
Priority to KR1020050094193A priority patent/KR20060052090A/en
Priority to CNB2005101135435A priority patent/CN100501520C/en
Publication of JP2006108032A publication Critical patent/JP2006108032A/en
Publication of JP2006108032A5 publication Critical patent/JP2006108032A5/ja
Pending legal-status Critical Current

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Claims (2)

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及びその反対側の裏面を有する導光体であって、
前記光入射端面と前記光出射面とのなす角度θ１が８８．２度以上８９．６度以下であり、前記光入射端面は、超深度形状測定顕微鏡による計測に基づき得られる前記導光体の略厚さ方向の平均傾斜角が３度以上１２度以下であることを特徴とする面光源装置用導光体。 A light guide that guides light emitted from a primary light source and has a light incident end face on which light emitted from the primary light source is incident, a light exit surface from which the guided light is emitted, and a back surface on the opposite side. And
An angle θ1 formed by the light incident end surface and the light emitting surface is 88.2 degrees or more and 89.6 degrees or less, and the light incident end surface is obtained by measurement using an ultradeep shape measuring microscope. A light guide for a surface light source device, wherein an average inclination angle in a substantially thickness direction is 3 degrees or more and 12 degrees or less. 請求項１記載の面光源装置用導光体の光入射端面に対向して前記一次光源が配置されており、更に、前記導光体の光出射面から出射する光が入光する入光面及びその反対側の出光面を有する光偏向素子が前記導光体の光出射面上に配置されていることを特徴とする面光源装置。 The light incident surface on which the primary light source is disposed opposite to the light incident end surface of the light guide for the surface light source device according to claim 1, and light emitted from the light exit surface of the light guide is incident And a surface light source device, wherein a light deflection element having a light exit surface on the opposite side is disposed on the light exit surface of the light guide.
JP2004296350A 2004-10-08 2004-10-08 Light guide body for surface light source, its manufacturing method as well as surface light source device Pending JP2006108032A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2004296350A JP2006108032A (en) 2004-10-08 2004-10-08 Light guide body for surface light source, its manufacturing method as well as surface light source device
TW094133492A TWI320121B (en) 2004-10-08 2005-09-27 Light guide for planar light source device, method of manufacturing the same, and cutting tool for use therein
KR1020050094193A KR20060052090A (en) 2004-10-08 2005-10-07 Light guide for surface light source unit, method for manufacturing the same and cutting bite used in this method
CNB2005101135435A CN100501520C (en) 2004-10-08 2005-10-08 Guide body for surface light device and processing method as well as turning tool used by the method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004296350A JP2006108032A (en) 2004-10-08 2004-10-08 Light guide body for surface light source, its manufacturing method as well as surface light source device

Publications (2)

Publication Number Publication Date
JP2006108032A JP2006108032A (en) 2006-04-20
JP2006108032A5 true JP2006108032A5 (en) 2007-11-22

Family

ID=36377477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004296350A Pending JP2006108032A (en) 2004-10-08 2004-10-08 Light guide body for surface light source, its manufacturing method as well as surface light source device

Country Status (2)

Country Link
JP (1) JP2006108032A (en)
CN (1) CN100501520C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007299572A (en) * 2006-04-28 2007-11-15 Mitsubishi Rayon Co Ltd Surface light source device using optical mixing means
JP2008043627A (en) * 2006-08-21 2008-02-28 Active Inc Transmissive lcd device, game machine, display device
JP4656176B2 (en) 2008-04-11 2011-03-23 ソニー株式会社 Light guide plate, display device, and electronic device with display
JP5391798B2 (en) * 2009-04-14 2014-01-15 凸版印刷株式会社 Backlight unit and display device
CN103551593A (en) * 2013-10-22 2014-02-05 上海现代先进超精密制造中心有限公司 Method for machining asymmetrical large-rise-fall workpiece
CN110133794B (en) * 2019-05-30 2021-01-01 开平市盈光机电科技有限公司 Production process of optical microstructure of light incident surface of light guide plate
JP6963833B2 (en) * 2019-07-24 2021-11-10 株式会社レイズエンジニアリング How to manufacture vehicle wheels
CN110587670A (en) * 2019-10-14 2019-12-20 浙江舜宇光学有限公司 Shearing blade for plastic lens gate

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0872758A4 (en) * 1995-10-12 1999-08-04 Ibm Japan Light-transmitting material, planar light source device and liquid crystal display device
FR2751759B1 (en) * 1996-07-24 1998-09-11 Schneider Electric Sa INTEGRATED OPTICAL DEVICE WITH ACTIVE AND PASSIVE GUIDANCE ZONES
JP3520494B2 (en) * 1998-05-11 2004-04-19 日東電工株式会社 Reflective liquid crystal display
JP2000214334A (en) * 1999-01-20 2000-08-04 Ohtsu Tire & Rubber Co Ltd :The Light transmission plate for backlight and backlight
JP3969214B2 (en) * 2002-06-28 2007-09-05 カシオ計算機株式会社 Lighting panel and display device using the same
WO2004076917A1 (en) * 2003-01-29 2004-09-10 Mitsubishi Rayon Co., Ltd. Area light source

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