JP2020064289A - 光学装置 - Google Patents
光学装置 Download PDFInfo
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- JP2020064289A JP2020064289A JP2019183553A JP2019183553A JP2020064289A JP 2020064289 A JP2020064289 A JP 2020064289A JP 2019183553 A JP2019183553 A JP 2019183553A JP 2019183553 A JP2019183553 A JP 2019183553A JP 2020064289 A JP2020064289 A JP 2020064289A
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- aspherical lens
- lens portion
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- length
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- 230000003287 optical effect Effects 0.000 title claims abstract description 60
- 230000001678 irradiating effect Effects 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
- F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/265—Composite lenses; Lenses with a patch-like shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
- F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
- G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
- G02B27/0961—Lens arrays
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
- G02B27/0966—Cylindrical lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0025—Machining, e.g. grinding, polishing, diamond turning, manufacturing of mould parts
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
- G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between
- G02B3/0068—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between arranged in a single integral body or plate, e.g. laminates or hybrid structures with other optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0075—Arrays characterized by non-optical structures, e.g. having integrated holding or alignment means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
Abstract
Description
11:LED素子
13:オプティック部
20:第1非球面レンズ部
21:第1球面部
23:第1平面部
30:第2非球面レンズ部
31:第2球面部
33:第2平面部
x:主光軸
P1:第1焦点
P2:第2焦点
f1:第1焦点距離
f2:第2焦点距離
Claims (14)
- 光を照射する光照射部と、
前記光照射部の光出射側に配置され、前記光照射部に第1焦点を形成する第1非球面レンズ部と、
前記光照射部の光出射側に配置され、前記光照射部に前記第1焦点と重なるように第2焦点を形成する第2非球面レンズ部とを含むことを特徴とする光学装置。 - 前記第1非球面レンズ部の第1焦点距離と前記第2非球面レンズ部の第2焦点距離とは、互いに異なって形成されることを特徴とする請求項1に記載の光学装置。
- 前記第2非球面レンズ部の前記第2焦点距離は、前記第1非球面レンズ部の前記第1焦点距離より長く形成されることを特徴とする請求項2に記載の光学装置。
- 前記第1非球面レンズ部の前記第1焦点距離をf1とし、前記第1非球面レンズ部の幅の半分をbとし、前記第2非球面レンズ部の前記第2焦点距離をf2とし、前記第1非球面レンズ部と前記第2非球面レンズ部との間の間隔をdとする場合、
前記第1非球面レンズ部と前記第2非球面レンズ部との間隔d=b(f2−f1)/f1
であることを特徴とする請求項3に記載の光学装置。 - 前記第2非球面レンズ部は、前記第1非球面レンズ部の両側にそれぞれ配置されることを特徴とする請求項3に記載の光学装置。
- 前記第2非球面レンズ部は、主光軸を基準として両側が対称に形成されることを特徴とする請求項5に記載の光学装置。
- 前記第1非球面レンズ部は、前記光照射部側に第1球面部が形成され、前記光照射部の反対側に第1平面部が形成されることを特徴とする請求項1に記載の光学装置。
- 前記第2非球面レンズ部は、前記光照射部側に第2球面部が形成され、前記光照射部の反対側に第2平面部が形成されることを特徴とする請求項7に記載の光学装置。
- 前記第1非球面レンズ部は、縦方向の長さが横方向の長さより長く形成されることを特徴とする請求項1に記載の光学装置。
- 前記第1非球面レンズ部は、縦方向の長さが横方向の長さより3倍以上長く形成されることを特徴とする請求項9に記載の光学装置。
- 前記第2非球面レンズ部は、縦方向の長さが横方向の長さより長く形成されることを特徴とする請求項9に記載の光学装置。
- 前記第2非球面レンズ部は、縦方向の長さが横方向の長さより3倍以上長く形成されることを特徴とする請求項11に記載の光学装置。
- 前記光照射部は、LED素子であることを特徴とする請求項1に記載の光学装置。
- 前記光照射部は、
光を照射するLED素子と、
前記LED素子から照射される光が透光し、前記第1焦点と前記第2焦点とを重なって形成するオプティック部とを含むことを特徴とする請求項1に記載の光学装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0122263 | 2018-10-15 | ||
KR1020180122263A KR102616540B1 (ko) | 2018-10-15 | 2018-10-15 | 광학장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020064289A true JP2020064289A (ja) | 2020-04-23 |
JP6853323B2 JP6853323B2 (ja) | 2021-03-31 |
Family
ID=69954470
Family Applications (1)
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JP2019183553A Active JP6853323B2 (ja) | 2018-10-15 | 2019-10-04 | 光学装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11506822B2 (ja) |
JP (1) | JP6853323B2 (ja) |
KR (1) | KR102616540B1 (ja) |
CN (1) | CN111043570B (ja) |
DE (1) | DE102019127443A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH01123209A (ja) * | 1987-11-09 | 1989-05-16 | Konica Corp | 大口径レンズ |
JP2006210295A (ja) * | 2005-01-31 | 2006-08-10 | Ichikoh Ind Ltd | 車両用灯具および車両用前照灯装置 |
US20090279296A1 (en) * | 2008-05-09 | 2009-11-12 | Foxconn Technology Co., Ltd. | Light emitting diode lamp |
JP2013214449A (ja) * | 2012-04-03 | 2013-10-17 | Yuichi Suzuki | トロイダルレンズおよび照明装置 |
KR20150116607A (ko) * | 2014-04-08 | 2015-10-16 | 한국광기술원 | 복합 비구면 렌즈 |
Family Cites Families (16)
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US4656562A (en) * | 1985-09-13 | 1987-04-07 | Santa Barbara Research Center | Optical integrator means for intensity modification of Gaussian beam |
US5898267A (en) * | 1996-04-10 | 1999-04-27 | Mcdermott; Kevin | Parabolic axial lighting device |
US5894196A (en) * | 1996-05-03 | 1999-04-13 | Mcdermott; Kevin | Angled elliptical axial lighting device |
JP4548981B2 (ja) * | 2001-06-28 | 2010-09-22 | スタンレー電気株式会社 | プロジェクタ型ランプ |
JP2007035332A (ja) * | 2005-07-22 | 2007-02-08 | Stanley Electric Co Ltd | 車両前照灯 |
JP2007173322A (ja) * | 2005-12-19 | 2007-07-05 | Enplas Corp | 発光装置 |
RU2009108005A (ru) * | 2006-08-10 | 2010-09-20 | Апстрим Энджиниринг Ой (FI) | Способ и устройство для освещения |
US7618160B2 (en) * | 2007-05-23 | 2009-11-17 | Visteon Global Technologies, Inc. | Near field lens |
US7580192B1 (en) * | 2008-12-23 | 2009-08-25 | Smart Champ Enterprise Limited | Collimation lens system for LED |
US8070326B2 (en) * | 2010-01-07 | 2011-12-06 | Osram Sylvania Inc. | Free-form lens design to apodize illuminance distribution |
KR101416469B1 (ko) | 2012-03-19 | 2014-07-08 | 현대모비스 주식회사 | 자동차의 조명 장치 |
JP6131571B2 (ja) * | 2012-11-13 | 2017-05-24 | 市光工業株式会社 | 車両用灯具 |
JP6136213B2 (ja) * | 2012-11-26 | 2017-05-31 | 市光工業株式会社 | 車両用灯具 |
CN106287572A (zh) * | 2015-06-26 | 2017-01-04 | 核工业西南物理研究院 | 环形led灯具光学面罩及其灯具 |
CN204943187U (zh) * | 2015-08-19 | 2016-01-06 | 广州市浩洋电子有限公司 | 一种改善光斑均匀性的舞台灯光学系统 |
AT519125B1 (de) * | 2017-01-20 | 2018-04-15 | Zkw Group Gmbh | Leuchtvorrichtung für einen Kraftfahrzeugscheinwerfer sowie Kraftfahrzeugscheinwerfer |
-
2018
- 2018-10-15 KR KR1020180122263A patent/KR102616540B1/ko active IP Right Grant
-
2019
- 2019-09-26 CN CN201910918986.3A patent/CN111043570B/zh active Active
- 2019-10-04 JP JP2019183553A patent/JP6853323B2/ja active Active
- 2019-10-11 DE DE102019127443.5A patent/DE102019127443A1/de active Pending
- 2019-10-15 US US16/653,354 patent/US11506822B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01123209A (ja) * | 1987-11-09 | 1989-05-16 | Konica Corp | 大口径レンズ |
JP2006210295A (ja) * | 2005-01-31 | 2006-08-10 | Ichikoh Ind Ltd | 車両用灯具および車両用前照灯装置 |
US20090279296A1 (en) * | 2008-05-09 | 2009-11-12 | Foxconn Technology Co., Ltd. | Light emitting diode lamp |
JP2013214449A (ja) * | 2012-04-03 | 2013-10-17 | Yuichi Suzuki | トロイダルレンズおよび照明装置 |
KR20150116607A (ko) * | 2014-04-08 | 2015-10-16 | 한국광기술원 | 복합 비구면 렌즈 |
Also Published As
Publication number | Publication date |
---|---|
CN111043570B (zh) | 2021-11-23 |
KR20200042110A (ko) | 2020-04-23 |
US11506822B2 (en) | 2022-11-22 |
DE102019127443A1 (de) | 2020-04-16 |
JP6853323B2 (ja) | 2021-03-31 |
CN111043570A (zh) | 2020-04-21 |
KR102616540B1 (ko) | 2023-12-21 |
US20200116903A1 (en) | 2020-04-16 |
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