WO2010075048A2 - Fabrication of optically smooth light guide - Google Patents

Fabrication of optically smooth light guide Download PDF

Info

Publication number
WO2010075048A2
WO2010075048A2 PCT/US2009/067949 US2009067949W WO2010075048A2 WO 2010075048 A2 WO2010075048 A2 WO 2010075048A2 US 2009067949 W US2009067949 W US 2009067949W WO 2010075048 A2 WO2010075048 A2 WO 2010075048A2
Authority
WO
WIPO (PCT)
Prior art keywords
extrusion
face
contact
light guide
maintaining
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.)
Ceased
Application number
PCT/US2009/067949
Other languages
English (en)
French (fr)
Other versions
WO2010075048A3 (en
Inventor
Kurt Allen Jenkins
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.)
Microsoft Corp
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Priority to JP2011542315A priority Critical patent/JP5653362B2/ja
Priority to EP09835565.4A priority patent/EP2359171B1/en
Priority to KR1020117013601A priority patent/KR101680395B1/ko
Priority to MX2011006261A priority patent/MX2011006261A/es
Priority to CN2009801516096A priority patent/CN102246070B/zh
Publication of WO2010075048A2 publication Critical patent/WO2010075048A2/en
Publication of WO2010075048A3 publication Critical patent/WO2010075048A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00269—Fresnel lenses
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • B29D11/00692—Production of light guides combined with lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
    • 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
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
    • 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
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
    • G02B6/0065—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
    • G02B6/0033—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
    • G02B6/0045—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 by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness

Definitions

  • Mold surfaces 40 may be heated via heating elements integrated in heatable platens 38.
  • the heating elements may be resistive or inductive electrical heating elements, for example.
  • the platens may also be cooled via a coolant flowing around through the platens or elsewhere in surface-layer compression-molding apparatus 36.
  • the platens enclosing the refined extrusion may be placed between anvils 42 of hydraulic press 44.
  • method 10 continues to 46, where one or more mold surfaces 40 is heated substantially to a melting temperature or a softening temperature of the thermoplastic polymer. This action may cause melting of a surface layer of the refined extrusion while at least some of the refined extrusion below the surface layer does not melt. In other embodiments, heating the one or more mold surfaces may cause the surface layer of the refined extrusion to soften but not melt.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
PCT/US2009/067949 2008-12-16 2009-12-14 Fabrication of optically smooth light guide Ceased WO2010075048A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2011542315A JP5653362B2 (ja) 2008-12-16 2009-12-14 光学的平滑ライト・ガイドの製作
EP09835565.4A EP2359171B1 (en) 2008-12-16 2009-12-14 Fabrication of optically smooth light guide
KR1020117013601A KR101680395B1 (ko) 2008-12-16 2009-12-14 광학적으로 평활한 광 가이드의 제조
MX2011006261A MX2011006261A (es) 2008-12-16 2009-12-14 Fabricacion de guia de luz opticamnete uniforme.
CN2009801516096A CN102246070B (zh) 2008-12-16 2009-12-14 光学上平滑光导的制作

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/335,551 2008-12-16
US12/335,551 US7976740B2 (en) 2008-12-16 2008-12-16 Fabrication of optically smooth light guide

Publications (2)

Publication Number Publication Date
WO2010075048A2 true WO2010075048A2 (en) 2010-07-01
WO2010075048A3 WO2010075048A3 (en) 2010-08-19

Family

ID=42239545

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/067949 Ceased WO2010075048A2 (en) 2008-12-16 2009-12-14 Fabrication of optically smooth light guide

Country Status (7)

Country Link
US (2) US7976740B2 (enExample)
EP (1) EP2359171B1 (enExample)
JP (1) JP5653362B2 (enExample)
KR (1) KR101680395B1 (enExample)
CN (1) CN102246070B (enExample)
MX (1) MX2011006261A (enExample)
WO (1) WO2010075048A2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8780085B2 (en) * 2010-08-03 2014-07-15 Microsoft Corporation Resolution enhancement
US8628321B2 (en) * 2010-10-13 2014-01-14 Microsoft Corporation Molding of nonuniform object having undercut structure
US9108369B2 (en) 2011-07-25 2015-08-18 Microsoft Technology Licensing, Llc Wedge light guide
US9939575B2 (en) * 2013-03-21 2018-04-10 Sharp Kabushiki Kaisha Method of manufacturing light guide plate, lighting device, and display device
DE102013222426A1 (de) * 2013-11-05 2015-05-07 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Herstellung eines Halbzeugs zur Verarbeitung zu einem CFK-Bauteil aus Kohlefaserabfällen
JP7349445B2 (ja) 2018-04-02 2023-09-22 マジック リープ， インコーポレイテッド 統合型光学要素を伴う導波管および同一物を作製する方法

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See also references of EP2359171A4

Also Published As

Publication number Publication date
JP5653362B2 (ja) 2015-01-14
US7976740B2 (en) 2011-07-12
JP2012512075A (ja) 2012-05-31
KR101680395B1 (ko) 2016-11-28
US20100148384A1 (en) 2010-06-17
KR20110093898A (ko) 2011-08-18
EP2359171A2 (en) 2011-08-24
EP2359171B1 (en) 2015-06-03
CN102246070B (zh) 2013-06-05
WO2010075048A3 (en) 2010-08-19
MX2011006261A (es) 2011-07-20
US8357317B2 (en) 2013-01-22
US20110233798A1 (en) 2011-09-29
EP2359171A4 (en) 2014-10-22
CN102246070A (zh) 2011-11-16

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