JP2010086755A5 - - Google Patents

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Publication number
JP2010086755A5
JP2010086755A5 JP2008253686A JP2008253686A JP2010086755A5 JP 2010086755 A5 JP2010086755 A5 JP 2010086755A5 JP 2008253686 A JP2008253686 A JP 2008253686A JP 2008253686 A JP2008253686 A JP 2008253686A JP 2010086755 A5 JP2010086755 A5 JP 2010086755A5
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JP
Japan
Prior art keywords
end surface
guide plate
face
convex portion
light
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
JP2008253686A
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Japanese (ja)
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JP2010086755A (en
JP5083151B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2008253686A priority Critical patent/JP5083151B2/en
Priority claimed from JP2008253686A external-priority patent/JP5083151B2/en
Publication of JP2010086755A publication Critical patent/JP2010086755A/en
Publication of JP2010086755A5 publication Critical patent/JP2010086755A5/ja
Application granted granted Critical
Publication of JP5083151B2 publication Critical patent/JP5083151B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (3)

発光素子から射出された光が第１の端面から入射され、この入射された光を一方の主面から出射させる導光板と、
前記導光板の他方の主面に対面配置された光反射シートと、
前記他方の主面のうちの前記第１の端面に対応するエッジが前記光反射シートに接触するように、且つ、前記他方の主面のうちの前記第１の端面に対向する第２の端面に対応するエッジと前記光反射シートとの間に隙間が形成されるように、前記導光板を保持する枠体と、
を備えたことを特徴とする照明装置。 Light emitted from the light emitting element is incident from the first end face, a light guide plate for emitting the incident light from one main surface,
A light reflecting sheet disposed facing the other main surface of the light guide plate;
A second end surface of the other main surface such that an edge corresponding to the first end surface is in contact with the light reflecting sheet and is opposed to the first end surface of the other main surface. and the frame so that a gap is formed, which holds the light guide plate between the corresponding edge and the light reflecting sheet,
Lighting apparatus characterized by comprising a. 前記導光板は、前記第１の端面及び前記第２の端面とは異なる第３の端面及び第４の端面に、少なくとも２つずつ凸部が設けられており、
前記枠体は、前記凸部に対応した係合溝が形成されていることを特徴とする請求項１に記載の照明装置。 The light guide plate is provided with at least two convex portions on a third end surface and a fourth end surface different from the first end surface and the second end surface,
The lighting device according to claim 1, wherein an engagement groove corresponding to the convex portion is formed in the frame body. 前記第３の端面に設けられた前記凸部及び前記第４の端面に設けられた前記凸部は、前記第２の端面に近い側に設けられた凸部の方が前記第１の端面に近い側に設けられた凸部よりも前記導光板の厚み方向において前記一方の主面に近い位置に設けられていることを特徴とする請求項２に記載の照明装置。 The convex portion provided on the third end face and the convex portion provided on the fourth end face are located closer to the first end face than the convex portion provided on the side closer to the second end face. The lighting device according to claim 2, wherein the lighting device is provided at a position closer to the one main surface in a thickness direction of the light guide plate than a convex portion provided on a near side .
JP2008253686A 2008-09-30 2008-09-30 Lighting device Expired - Fee Related JP5083151B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008253686A JP5083151B2 (en) 2008-09-30 2008-09-30 Lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008253686A JP5083151B2 (en) 2008-09-30 2008-09-30 Lighting device

Publications (3)

Publication Number Publication Date
JP2010086755A JP2010086755A (en) 2010-04-15
JP2010086755A5 true JP2010086755A5 (en) 2011-04-21
JP5083151B2 JP5083151B2 (en) 2012-11-28

Family

ID=42250523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008253686A Expired - Fee Related JP5083151B2 (en) 2008-09-30 2008-09-30 Lighting device

Country Status (1)

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JP (1) JP5083151B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5609466B2 (en) 2010-09-15 2014-10-22 オムロン株式会社 Surface light source device and frame used for surface light source device
WO2013024712A1 (en) * 2011-08-12 2013-02-21 シャープ株式会社 Illumination device, display device, and television reception device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4360478B2 (en) * 2000-12-21 2009-11-11 株式会社エンプラス Surface light source device and image display device
JP2003016823A (en) * 2001-06-27 2003-01-17 Matsushita Electric Ind Co Ltd Lighting system
JP2003255309A (en) * 2002-03-04 2003-09-10 Nec Lcd Technologies Ltd Optical unit and liquid crystal display using the same
JP2005302485A (en) * 2004-04-09 2005-10-27 Minebea Co Ltd Surface lighting device

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