SG11201803984SA - Lighting apparatus and method of forming the same - Google Patents

Lighting apparatus and method of forming the same

Info

Publication number
SG11201803984SA
SG11201803984SA SG11201803984SA SG11201803984SA SG11201803984SA SG 11201803984S A SG11201803984S A SG 11201803984SA SG 11201803984S A SG11201803984S A SG 11201803984SA SG 11201803984S A SG11201803984S A SG 11201803984SA SG 11201803984S A SG11201803984S A SG 11201803984SA
Authority
SG
Singapore
Prior art keywords
singapore
international
light
nanyang
lighting apparatus
Prior art date
Application number
SG11201803984SA
Inventor
Swee Chuan Tjin
Seongwoo Yoo
Ho Meng @ Tay Ho Meng Chia
Original Assignee
Univ Nanyang Tech
Technolite Singapore Pte Ltd
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 Univ Nanyang Tech, Technolite Singapore Pte Ltd filed Critical Univ Nanyang Tech
Publication of SG11201803984SA publication Critical patent/SG11201803984SA/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • 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
    • F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/045—Light guides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0031—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0041—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided in the bulk of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0096—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the lights guides being of the hollow type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0075—Light guides, optical cables
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property - Organization International Bureau ires.. 00) (43) International Publication Date ..... ..sr ,„,„.1 26 May 2017(26.05.2017) WIPO I PCT (10) WO International 111111111111311111111111111111111111111111111111111111111111111111111311111111111111111 2017/086880 Publication Number Al (51) International Patent Classification: (74) Agents: MCLAUGHLIN, Michael Gerard et al.; G02B 6/00 (2006.01) G02B 1/04 (2006.01) McLaughlin Ip Pte Ltd, 24A Mosque Street, Singapore F21V 8/00 (2006.01) B29C 47/00 (2006.01) 059504 (SG). (21) International Application Number: (81) Designated States (unless otherwise indicated, for every PCT/SG2016/050570 kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (22) International Filing Date: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, 17 November 2016 (17.11.2016) DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (25) Filing Language: English HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (26) Publication Language: English MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, (30) Priority Data: OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 10201509564S 20 November 2015 (20.11.2015) SG SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, (71) Applicants: NANYANG TECHNOLOGICAL UNI- ZW. VERSITY [SG/SG]; 50 Nanyang Avenue, Singapore Designated States indicated, 639798 (SG). TECHNOLITE (SINGAPORE) PTE LTD (84) (unless otherwise for every [SG/SG]; 25 Tagore Lane, #03-10 Singapore G Building, kind of regional protection available): ARIPO (BW, GH, Singapore 787602 (SG). GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (72) Inventors: TJIN, Swee Chuan; c/o Nanyang Technologic- TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, al University, 50 Nanyang Avenue, Singapore 639798 DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, (SG). YOO, Seongwoo; c/o Nanyang Technological Uni- LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, 50 Nanyang Avenue, Singapore 639798 versity, (SG). SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, @ Tay Ho Meng; do Technolite (Singa- CHIA, Ho Meng GW, KM, ML, MR, NE, SN, TD, TG). Pte Ltd, 25 Tagore Lane, #03-10 Singapore G Build- pore) ing, Singapore 787602 (SG). [Continued on next page] (54) Title: LIGHTING APPARATUS AND METHOD OF FORMING THE SAME (57) : According to embodiments of the present invention, a lighting apparatus is provided. The 500 1 4 _ 08 i 0. 504 lighting apparatus includes at least one light source 502a CH ,0* t k I tif lov #4,4 , k , A o t.:0:20 . ii . „ 4, ifr configured to a source light, an optical wave- --- N ,:, 7 ---5-° 2 b provide t,,,,A, :VS,. ,T A, , t,,E0 , A. \" \"V '''.*r '''-/ 4..- - ` , ,,, LC, guide optically coupled to the at least one light source, . /.9$ 505a 506 503 ---- N..._.505b the optical waveguide having at least one input region 503 through which the source light enters the optical wave- L. ight 554 guide for propagation within the optical waveguide, st;, , light interacting and a plurality of structures arranged within the optical waveguide, the plurality of light in- teracting structures adapted to interact with the source length light to provide an illumination light emitted from the Sca :£ or (rims- 555 \"-\"- optical waveguide to an ambient environment, wherein reficctof __ a concentration of the plurality of light interacting concwitranon structures increases, along a length of the optic- portion al waveguide, in a direction away from the at least one input region. .4t il kiMEMMO r 0 GC GC 556 C) t„r Ot 0 FIG. 5A IN 1-1 0 N O WO 2017/086880 A111111111111111011101011111111010H10111111111111111111111111111111111111111111111111111 Published: — with international search report (Art. 21(3))
SG11201803984SA 2015-11-20 2016-11-17 Lighting apparatus and method of forming the same SG11201803984SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG10201509564S 2015-11-20
PCT/SG2016/050570 WO2017086880A1 (en) 2015-11-20 2016-11-17 Lighting apparatus and method of forming the same

Publications (1)

Publication Number Publication Date
SG11201803984SA true SG11201803984SA (en) 2018-06-28

Family

ID=58719139

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201803984SA SG11201803984SA (en) 2015-11-20 2016-11-17 Lighting apparatus and method of forming the same

Country Status (5)

Country Link
US (1) US10509154B2 (en)
EP (1) EP3377925A4 (en)
CN (1) CN109073818A (en)
SG (1) SG11201803984SA (en)
WO (1) WO2017086880A1 (en)

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US20180188685A1 (en) * 2016-12-30 2018-07-05 Luminit, Llc Monolithic Optical System for Light Propagation in Confined Spaces and Method of Fabrication
US11635179B2 (en) * 2017-02-02 2023-04-25 Fusion Optix, Inc. Linear lighting assembly with single edge-lit light scattering optical element
CA2993859A1 (en) * 2017-02-02 2018-08-02 Terence Yeo Single edge lit lighting module producing tailored light distributions
US11520097B2 (en) * 2017-02-02 2022-12-06 Fusion Optix, Inc. Single edge lit lighting module and light fixture producing tailored light distributions
US10684406B2 (en) * 2018-03-16 2020-06-16 Rockwell Collins, Inc. Flexible light guide and lighting system
EP3668276A1 (en) * 2018-12-13 2020-06-17 Seaborough Life Science B.V. Photobiomodulation (pbm) in general lighting
WO2021113911A1 (en) * 2019-12-09 2021-06-17 KDH Design Co., Ltd. Light guiding apparatus and guiding method thereof

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Also Published As

Publication number Publication date
CN109073818A (en) 2018-12-21
WO2017086880A1 (en) 2017-05-26
US10509154B2 (en) 2019-12-17
US20180329129A1 (en) 2018-11-15
EP3377925A4 (en) 2019-07-03
EP3377925A1 (en) 2018-09-26

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