JP2005243608A5 - - Google Patents

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Publication number
JP2005243608A5
JP2005243608A5 JP2004277033A JP2004277033A JP2005243608A5 JP 2005243608 A5 JP2005243608 A5 JP 2005243608A5 JP 2004277033 A JP2004277033 A JP 2004277033A JP 2004277033 A JP2004277033 A JP 2004277033A JP 2005243608 A5 JP2005243608 A5 JP 2005243608A5
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JP
Japan
Prior art keywords
light
led
lens
emits
shielding member
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
JP2004277033A
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Japanese (ja)
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JP2005243608A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004277033A priority Critical patent/JP2005243608A/en
Priority claimed from JP2004277033A external-priority patent/JP2005243608A/en
Priority to US11/044,621 priority patent/US7329904B2/en
Publication of JP2005243608A publication Critical patent/JP2005243608A/en
Publication of JP2005243608A5 publication Critical patent/JP2005243608A5/ja
Pending legal-status Critical Current

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Claims (5)

発光色が青系ないし紫系の発光素子と、前記発光素子の光を受けて黄系〜黄緑系の蛍光を発する蛍光体を有するＬＥＤと、
前記ＬＥＤの発光光が入射する光入射面と、入射した光を外部に放出する凸レンズ部とを有するレンズと、
前記ＬＥＤの光放出側に配置される遮光部材であって、開口部を有し、前記ＬＥＤの光に対して非透過性の材料からなり、前記レンズを通って放射されるＬＥＤの光を前記開口部より外部へ放射すると共に、前記ＬＥＤの光の周縁部分をカットする遮光部材と、
を備え、
前記遮光部材は、前記ＬＥＤの周囲を囲い、前記ＬＥＤ放射軸方向へ延びる筒形状よりなり、その端部は、前記レンズの凸レンズ部より前記ＬＥＤの放射軸方向へ突出している、
ＬＥＤランプ装置。 An LED having an emission color of blue or purple, and a phosphor that emits yellow to yellow-green fluorescence upon receiving light from the light-emitting element;
A lens having a light incident surface on which the emitted light of the LED is incident, and a convex lens portion that emits the incident light to the outside;
A light shielding member disposed on the light emitting side of the LED, having an opening, made of a material that is non-transparent to the light of the LED, and the light of the LED emitted through the lens A light-shielding member that radiates to the outside from the opening and cuts the peripheral portion of the light of the LED;
With
The light shielding member has a cylindrical shape that surrounds the LED and extends in the direction of the LED radiation axis, and an end thereof projects from the convex lens portion of the lens in the direction of the radiation axis of the LED.
LED lamp device. 発光色が青系ないし紫系の発光素子と、前記発光素子の光を受けて黄系〜黄緑系の蛍光を発する蛍光体を有するＬＥＤと、An LED having a light emitting element whose emission color is blue or violet, and a phosphor that emits yellow to yellowish green fluorescence upon receiving light from the light emitting element;
前記ＬＥＤの発光光が入射する凹球面状レンズ部と、入射した光を外部に放出する凸非球面状レンズ部とを有するレンズと、A lens having a concave spherical lens portion into which the light emitted from the LED is incident, and a convex aspheric lens portion that emits the incident light to the outside;
前記ＬＥＤの光放出側に配置される遮光部材であって、開口部を有し、前記ＬＥＤの光に対して非透過性の材料からなり、前記レンズを通って放射されるＬＥＤの光を前記開口部より外部へ放射すると共に、前記ＬＥＤの光の周縁部分をカットする遮光部材と、A light-shielding member disposed on a light emission side of the LED, having an opening, made of a material that is impermeable to the light of the LED, and emitting the light of the LED emitted through the lens; A light-shielding member that radiates to the outside from the opening and cuts a peripheral portion of the light of the LED; and
を備えるＬＥＤランプ装置。An LED lamp device comprising: 前記凸非球面状レンズ部の形状が、楕円面状、放物面状、又は楕円放物面状である、請求項２に記載のＬＥＤランプ装置。The LED lamp device according to claim 2, wherein the shape of the convex aspheric lens portion is an elliptical shape, a parabolic shape, or an elliptical parabolic shape. 前記ＬＥＤは前記ＬＥＤの軸方向に青色成分の強い白色光を発光し、前記ＬＥＤの軸方向に垂直な方向に黄色成分の強い白色光を発光する、請求項１〜３のいずれかに記載のＬＥＤランプ装置。The said LED light-emits white light with a strong blue component in the axial direction of the said LED, and light-emits white light with a strong yellow component in the direction perpendicular | vertical to the axial direction of the said LED. LED lamp device. 前記ＬＥＤは前記ＬＥＤの軸方向に色温度の高い白色光を発光し、前記ＬＥＤの軸方向に垂直な方向に色温度の低い白色光を発光する、請求項１〜３のいずれかに記載のＬＥＤランプ装置。4. The LED according to claim 1, wherein the LED emits white light having a high color temperature in the axial direction of the LED and emits white light having a low color temperature in a direction perpendicular to the axial direction of the LED. LED lamp device.
JP2004277033A 2004-01-30 2004-09-24 Led lamp device Pending JP2005243608A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2004277033A JP2005243608A (en) 2004-01-30 2004-09-24 Led lamp device
US11/044,621 US7329904B2 (en) 2004-01-30 2005-01-28 LED lamp device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004024774 2004-01-30
JP2004277033A JP2005243608A (en) 2004-01-30 2004-09-24 Led lamp device

Publications (2)

Publication Number Publication Date
JP2005243608A JP2005243608A (en) 2005-09-08
JP2005243608A5 true JP2005243608A5 (en) 2007-02-15

Family

ID=35025090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004277033A Pending JP2005243608A (en) 2004-01-30 2004-09-24 Led lamp device

Country Status (1)

Country Link
JP (1) JP2005243608A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4780660B2 (en) * 2006-04-28 2011-09-28 京セラミタ株式会社 LIGHTING DEVICE AND IMAGE READING DEVICE HAVING THE SAME
EP2043165B1 (en) 2006-06-27 2014-12-03 Mitsubishi Chemical Corporation Illuminating device
EP2056364A4 (en) 2006-08-11 2013-07-24 Mitsubishi Chem Corp Illuminating apparatus
JP5025272B2 (en) * 2007-01-10 2012-09-12 京楽産業．株式会社 Illumination equipment
JP5519303B2 (en) * 2010-01-20 2014-06-11 オリンパス株式会社 Wavelength conversion unit and lighting device including the same
JP4948621B2 (en) * 2010-04-14 2012-06-06 シャープ株式会社 Lighting device
JP2012174462A (en) * 2011-02-21 2012-09-10 Panasonic Corp Luminaire
JP6710534B2 (en) * 2016-02-17 2020-06-17 トキコーポレーション株式会社 Light emitting device
WO2020080512A1 (en) * 2018-10-19 2020-04-23 株式会社小糸製作所 Vehicle lamp, lamp unit and reflector module

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