JP2010282908A5 - - Google Patents

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Publication number
JP2010282908A5
JP2010282908A5 JP2009136871A JP2009136871A JP2010282908A5 JP 2010282908 A5 JP2010282908 A5 JP 2010282908A5 JP 2009136871 A JP2009136871 A JP 2009136871A JP 2009136871 A JP2009136871 A JP 2009136871A JP 2010282908 A5 JP2010282908 A5 JP 2010282908A5
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JP
Japan
Prior art keywords
light guide
light
diffusion
lighting device
guide plate
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
JP2009136871A
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Japanese (ja)
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JP2010282908A (en
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Publication date
Application filed filed Critical
Priority to JP2009136871A priority Critical patent/JP2010282908A/en
Priority claimed from JP2009136871A external-priority patent/JP2010282908A/en
Publication of JP2010282908A publication Critical patent/JP2010282908A/en
Publication of JP2010282908A5 publication Critical patent/JP2010282908A5/ja
Pending legal-status Critical Current

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Claims (8)

複数の点状光源と、これらの点状光源から光を入射させる拡散導光体と、この拡散導光体に隣接して配設される導光板とを備える照明装置であって、
前記拡散導光体は、散乱粒子を含む透明樹脂で構成され、その前面から前記点状光源の光を入射させるとともに、その後面から前記導光板の一側面へと光を出射させ、
前記導光板は、前記一側面から前記拡散導光体からの光を入射させるとともに、その正面から光を出射させる、照明装置。 A lighting device comprising a plurality of point light sources, a diffusion light guide that makes light incident from these point light sources, and a light guide plate disposed adjacent to the diffusion light guide,
The diffusion light guide is made of a transparent resin containing scattering particles, makes light from the point light source incident from the front surface thereof, and emits light from the rear surface to one side surface of the light guide plate,
The said light-guide plate is an illuminating device which makes the light from the said diffusion light guide inject from the said 1 side, and radiate | emits light from the front. 請求項１において、拡散導光体の幅（ＷＤ）と点状光源間の距離（Ｉ）とが、（ＷＤ）／（Ｉ）＝１／５〜５／１の関係を満たす照明装置。 In claim 1, the diffusion light guide member having a width and (W D) and the distance between the point light source (I) but, (W D) / (I ) = 1 / 5~5 / 1 of satisfying the relationship illumination device . 請求項１または２において、拡散導光体の幅（ＷＤ）と導光板の幅（ＷＬ）とが、（ＷＤ）／（ＷＬ）＝１／２００〜１／１の関係を満たす照明装置。 According to claim 1 or 2, and the diffusion light guide member having a width (W D) and the light guide plate width (W L), but satisfy the relation (W D) / (W L ) = 1 / 200~1 / 1 Lighting device. 請求項１から３のいずれか一項において、拡散導光体は、前面および後面の少なくとも一方に、互いに並列な複数の溝部を配設している照明装置。 4. The lighting device according to claim 1, wherein the diffusing light guide has a plurality of parallel grooves disposed on at least one of the front surface and the rear surface. 5. 請求項４において、拡散導光体に形成される溝部の断面形状が、円弧状、Ｖ字状、および台形状からなる群から選択される少なくとも一種である照明装置。 The lighting device according to claim 4, wherein a cross-sectional shape of the groove formed in the diffusion light guide is at least one selected from the group consisting of an arc shape, a V shape, and a trapezoidal shape. 請求項５において、拡散導光体は、前面および後面にプリズム状の溝部を配設している照明装置。 6. The illuminating device according to claim 5, wherein the diffusion light guide has prism-shaped grooves on the front and rear surfaces. 請求項１から６のいずれか一項において、導光板は、拡散導光体の後面と隣接する側面に、互いに並列な複数の溝部を配設している照明装置。 The lighting device according to claim 1, wherein the light guide plate has a plurality of grooves parallel to each other on a side surface adjacent to the rear surface of the diffusion light guide. 請求項７において、導光板に形成される溝部の断面形状が、円弧状、Ｖ字状、および台形状からなる群から選択される少なくとも一種である照明装置。 The lighting device according to claim 7, wherein a cross-sectional shape of the groove formed in the light guide plate is at least one selected from the group consisting of an arc shape, a V shape, and a trapezoidal shape.
JP2009136871A 2009-06-08 2009-06-08 Lighting device Pending JP2010282908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009136871A JP2010282908A (en) 2009-06-08 2009-06-08 Lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009136871A JP2010282908A (en) 2009-06-08 2009-06-08 Lighting device

Publications (2)

Publication Number Publication Date
JP2010282908A JP2010282908A (en) 2010-12-16
JP2010282908A5 true JP2010282908A5 (en) 2012-07-12

Family

ID=43539471

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009136871A Pending JP2010282908A (en) 2009-06-08 2009-06-08 Lighting device

Country Status (1)

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JP (1) JP2010282908A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101788318B1 (en) 2010-12-28 2017-10-19 엘지디스플레이 주식회사 Backlight unit and liquid crystal module using the same, and fabricating method of the backlight unit
TWI448737B (en) * 2011-09-14 2014-08-11 Entire Technology Co Ltd Optical strip and backlight module and lcd device having the optical strip
CN103017007B (en) * 2011-09-28 2015-03-11 颖台科技股份有限公司 Optical adhesion film and backlight module and liquid crystal display with same
CN104421681A (en) * 2013-08-26 2015-03-18 展晶科技(深圳)有限公司 LED (Light Emitting Diode) light source module

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003059325A (en) * 2001-08-10 2003-02-28 Alps Electric Co Ltd Surface light emitting device and liquid crystal display device therewith
KR100499140B1 (en) * 2003-01-07 2005-07-04 삼성전자주식회사 Backlight unit
JP2005347208A (en) * 2004-06-07 2005-12-15 Toyota Industries Corp Flat light source device
JP3114195U (en) * 2005-06-29 2005-09-29 科橋電子股▲ふん▼有限公司 Light adjustment structure of side light source type backlight module
EP1939522A4 (en) * 2005-08-17 2013-04-03 Fujifilm Corp Planar illuminating device
JP2007299572A (en) * 2006-04-28 2007-11-15 Mitsubishi Rayon Co Ltd Surface light source device using optical mixing means
JP4585481B2 (en) * 2006-04-28 2010-11-24 株式会社 日立ディスプレイズ LED backlight and liquid crystal display device using the same
KR100809224B1 (en) * 2006-12-11 2008-02-29 삼성전기주식회사 Back light unit having a light guide buffer plate
JP2009245732A (en) * 2008-03-31 2009-10-22 Fujifilm Corp Light guide plate and planar lighting device using the same

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