JP2008177964A5 - - Google Patents

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Publication number
JP2008177964A5
JP2008177964A5 JP2007010832A JP2007010832A JP2008177964A5 JP 2008177964 A5 JP2008177964 A5 JP 2008177964A5 JP 2007010832 A JP2007010832 A JP 2007010832A JP 2007010832 A JP2007010832 A JP 2007010832A JP 2008177964 A5 JP2008177964 A5 JP 2008177964A5
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JP
Japan
Prior art keywords
lens
illumination device
light source
section
opening
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.)
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Application number
JP2007010832A
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Japanese (ja)
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JP4887547B2 (en
JP2008177964A (en
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Publication date
Application filed filed Critical
Priority to JP2007010832A priority Critical patent/JP4887547B2/en
Priority claimed from JP2007010832A external-priority patent/JP4887547B2/en
Publication of JP2008177964A publication Critical patent/JP2008177964A/en
Publication of JP2008177964A5 publication Critical patent/JP2008177964A5/ja
Application granted granted Critical
Publication of JP4887547B2 publication Critical patent/JP4887547B2/en
Active legal-status Critical Current
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Claims (6)

光源と、所定の設計断面を光源と反対側に突出する弧状に掃引することにより得られる形状の少なくとも一部から成るレンズと、を含んでいることを特徴とする、照明装置。   An illumination device comprising: a light source; and a lens formed of at least a part of a shape obtained by sweeping a predetermined design cross section in an arc shape protruding to the opposite side of the light source. 上記レンズの設計断面が、片面または両面にて球面または非球面となる形状を有していることを特徴とする、請求項１に記載の照明装置。   The lighting device according to claim 1, wherein the design cross section of the lens has a shape that is spherical or aspherical on one side or both sides. 上記光源とレンズとの間に、レンズの掃引方向とほぼ平行に延びる長い開口を備えた遮蔽部材が配置されていることを特徴とする、請求項１または２に記載の照明装置。   The illumination device according to claim 1, wherein a shielding member having a long opening extending substantially parallel to a sweeping direction of the lens is disposed between the light source and the lens. 上記遮蔽部材が、レンズの掃引軌跡に対してほぼ相似の断面を有することを特徴とする、請求項１から３の何れかに記載の照明装置。   4. The illumination device according to claim 1, wherein the shielding member has a substantially similar cross section with respect to a sweep locus of the lens. 上記開口が、長手方向の端縁に向かって幅が徐々に狭くなるように形成されていることを特徴とする、請求項３または４に記載の照明装置。   5. The lighting device according to claim 3, wherein the opening is formed so that a width gradually decreases toward an edge in a longitudinal direction. 上記開口が、上記レンズの掃引軌跡を含む面に対して、非対称に形成されていることを特徴とする、請求項３または４に記載の照明装置。   5. The illumination device according to claim 3, wherein the opening is formed asymmetrically with respect to a surface including a sweep locus of the lens.
JP2007010832A 2007-01-19 2007-01-19 Lighting device Active JP4887547B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007010832A JP4887547B2 (en) 2007-01-19 2007-01-19 Lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007010832A JP4887547B2 (en) 2007-01-19 2007-01-19 Lighting device

Publications (3)

Publication Number Publication Date
JP2008177964A JP2008177964A (en) 2008-07-31
JP2008177964A5 true JP2008177964A5 (en) 2010-02-18
JP4887547B2 JP4887547B2 (en) 2012-02-29

Family

ID=39704632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007010832A Active JP4887547B2 (en) 2007-01-19 2007-01-19 Lighting device

Country Status (1)

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JP (1) JP4887547B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102062347A (en) * 2009-11-12 2011-05-18 富准精密工业(深圳)有限公司 Light-emitting diode module and lens thereof
TWI418854B (en) * 2010-03-16 2013-12-11 Cal Comp Electronics & Comm Co Lens structure
JP5246817B2 (en) * 2010-08-22 2013-07-24 泰金▲宝▼電通股▲ふん▼有限公司 Lens and lamp using the same
US8419230B2 (en) 2010-08-22 2013-04-16 Cal-Comp Electronics & Communications Company Limited Lens and lamp using the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05150381A (en) * 1991-11-27 1993-06-18 Canon Inc Lighting device
JP2003308475A (en) * 2002-04-12 2003-10-31 Denso Wave Inc Optical information reading device

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