GB2509561A - Fresnel lens with curved and oblique surfaces - Google Patents

Fresnel lens with curved and oblique surfaces Download PDF

Info

Publication number
GB2509561A
GB2509561A GB1309896.7A GB201309896A GB2509561A GB 2509561 A GB2509561 A GB 2509561A GB 201309896 A GB201309896 A GB 201309896A GB 2509561 A GB2509561 A GB 2509561A
Authority
GB
United Kingdom
Prior art keywords
lens
curved surface
zoom
free curved
layers
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.)
Withdrawn
Application number
GB1309896.7A
Other languages
English (en)
Other versions
GB201309896D0 (en
Inventor
Chen-Wei Hsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB201309896D0 publication Critical patent/GB201309896D0/en
Publication of GB2509561A publication Critical patent/GB2509561A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/69—Details of refractors forming part of the light source
    • 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
    • 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
    • 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]

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
GB1309896.7A 2013-01-04 2013-06-04 Fresnel lens with curved and oblique surfaces Withdrawn GB2509561A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW102100221A TWI467117B (zh) 2013-01-04 2013-01-04 Multi - level zoom lens for illumination

Publications (2)

Publication Number Publication Date
GB201309896D0 GB201309896D0 (en) 2013-07-17
GB2509561A true GB2509561A (en) 2014-07-09

Family

ID=48805675

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1309896.7A Withdrawn GB2509561A (en) 2013-01-04 2013-06-04 Fresnel lens with curved and oblique surfaces

Country Status (4)

Country Link
KR (1) KR200475156Y1 (ko)
FR (1) FR3000808B3 (ko)
GB (1) GB2509561A (ko)
TW (1) TWI467117B (ko)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT16042U1 (de) * 2014-10-30 2018-12-15 Zumtobel Lighting Gmbh Optisches Element sowie Anordnung zur Lichtabgabe mit einem optischen Element
US10364961B2 (en) 2017-10-31 2019-07-30 Rebo Lighting & Electronics, Llc Illumination device for a vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6761968B2 (ja) * 2016-05-17 2020-09-30 パナソニックＩｐマネジメント株式会社 照明装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742438A (en) * 1994-09-16 1998-04-21 In Focus Systems, Inc. Projection illumination system
EP1089094A1 (fr) * 1999-09-30 2001-04-04 Valeo Vision Procédé de fabrication d'éléments dioptriques et éléments dioptriques pour dispositif d'éclairage.
US20060056185A1 (en) * 2004-09-16 2006-03-16 Takeshi Morino Fresnel lens and lighting apparatus provided with the fresnel lens
EP2287641A1 (en) * 2009-08-21 2011-02-23 Mass Technology (H.K.) Ltd. Fresnel lens sheet and luminaire using the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4290585B2 (ja) * 2004-02-26 2009-07-08 株式会社小糸製作所 車両用灯具
JP2006119223A (ja) 2004-10-19 2006-05-11 Nidec Sankyo Corp 集光レンズおよび光走査装置
US7352517B2 (en) * 2005-05-09 2008-04-01 Konica Minolta Opto, Inc. Optical pickup apparatus
TWI322867B (en) * 2007-04-10 2010-04-01 Ind Tech Res Inst Improved lamp fixture
CN102003676B (zh) * 2009-08-28 2012-10-10 鸿富锦精密工业（深圳）有限公司 透镜
KR20110041073A (ko) * 2009-10-15 2011-04-21 이성준 태양열 집열용 프레넬 렌즈 복합체
KR20110062980A (ko) * 2009-12-04 2011-06-10 에이피엘시스템(주) 엘이디 조명 램프
CN102478676A (zh) * 2010-11-30 2012-05-30 比亚迪股份有限公司 一种增光片及背光模组

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742438A (en) * 1994-09-16 1998-04-21 In Focus Systems, Inc. Projection illumination system
EP1089094A1 (fr) * 1999-09-30 2001-04-04 Valeo Vision Procédé de fabrication d'éléments dioptriques et éléments dioptriques pour dispositif d'éclairage.
US20060056185A1 (en) * 2004-09-16 2006-03-16 Takeshi Morino Fresnel lens and lighting apparatus provided with the fresnel lens
EP2287641A1 (en) * 2009-08-21 2011-02-23 Mass Technology (H.K.) Ltd. Fresnel lens sheet and luminaire using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT16042U1 (de) * 2014-10-30 2018-12-15 Zumtobel Lighting Gmbh Optisches Element sowie Anordnung zur Lichtabgabe mit einem optischen Element
US10364961B2 (en) 2017-10-31 2019-07-30 Rebo Lighting & Electronics, Llc Illumination device for a vehicle

Also Published As

Publication number Publication date
KR200475156Y1 (ko) 2014-11-12
KR20140004291U (ko) 2014-07-14
TWI467117B (zh) 2015-01-01
GB201309896D0 (en) 2013-07-17
FR3000808A3 (fr) 2014-07-11
FR3000808B3 (fr) 2015-07-17
TW201428212A (zh) 2014-07-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)