JP2012512075A - 光学的平滑ライト・ガイドの製作 - Google Patents
光学的平滑ライト・ガイドの製作 Download PDFInfo
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- 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
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- 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
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- 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
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- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
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- 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
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
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- 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)
Abstract
【選択図】図1
Description
本明細書において記載および/または図示したプロセス・ステップの一部は、実施形態によっては、本開示の範囲から逸脱することなく、省略してもよいことは言うまでもない。同様に、示したプロセス・ステップのシーケンスは、意図した結果を得るために常に必要とされる訳ではなく、図示および説明を容易にするために示したに過ぎない。図示した行為、機能、または動作の1つ以上は、用いられる個々の方策によっては、繰り返し実行することもできる。
Claims (15)
- ライト・ガイドの製作方法(10)であって、
押し出し成型品を形成するために、熱可塑性ポリマーをダイを通じて押し出すステップ(12)と、
前記押し出し成型品を1つ以上の固定の寸法に加工するステップ(16、20)と、
前記押し出し成型品に圧力を加えている間、この押し出し成型品の面を軟化または溶融するために、前記押し出し成型品の面を、加熱モールド面と接触状態に維持するステップ(46、48)と、
を含む、方法。 - 請求項1記載の方法において、前記熱可塑性ポリマーが、ポリアクリレート、ポリアクリロニトリル、ポリアミド、およびポリカーボネートのうち1つ以上を含む、方法。
- 請求項1記載の方法において、熱可塑性ポリマーをダイを通じて押し出す前記ステップが、四辺形の断面を有する楔状押し出し成型品を形成するステップを含む、方法。
- 請求項1記載の方法において、前記押し出し成型品を1つ以上の固定の寸法に加工するステップが、前記押し出し成型品を固定幅に切断するステップを含む、方法。
- 請求項1記載の方法において、前記押し出し成型品を1つ以上の固定寸法に加工するステップが、前記押し出し成型品の面を、鋭角の中心角によって包囲される円筒形の切片に加工するステップを含む、方法。
- 請求項1記載の方法において、前記押し出し成型品の面を、加熱モールド面と接触状態に維持するステップが、前記押し出し成型品の前記面の表面層を溶融させつつ、この表面層の下にある前記押し出し成型品の少なくとも一部を溶融させないステップを含む、方法。
- 請求項1記載の方法において、圧縮モールドを通じて、前記押し出し成型品に前記圧力を加える、方法。
- 請求項1記載の方法において、前記押し出し成型品の前記面が、複数の加熱したモールド面と接触して維持された複数の面のうちの1つである、方法。
- 請求項1記載の方法において、前記押し出し成型品の面を、加熱モールド面と接触状態に維持するステップが、前記押し出し成型品の面を、平均粗さが2ナノメートル未満である表面と接触状態に維持するステップを含む、方法。
- 請求項1記載の方法であって、更に、前記押し出し成型品の1面にフレネル・レンズを形成するステップを備えている、方法。
- 請求項10記載の方法において、前記押し出し成型品の面を、加熱モールド面と接触状態に維持するステップが、前記押し出し成型品の面を、前記フレネル・レンズに対して相補的な構造を有する表面と接触状態に維持するステップを含む、方法。
- 押し出し成型品を形成し、前記押し出し成型品の1つ以上の面を圧縮成型することによってライト・ガイドを製作する装置(36)であって、
四辺形の開口を有する押し出し成型ダイ(14)と、
1組の加熱可能なプラテン(38)を含み、前記押し出し成型品に圧力を加えながら、前記押し出し成型品の1つ以上の面と接触し、これらの面を軟化または溶融するように構成されている圧縮モールドと、
を含み、前記加熱可能なプラテンが、光学的に平滑な第1表面(40)を前記押し出し成型品(22)に対し呈し、前記押し出し成型品(22)を収容する空隙を包囲し、前記空隙および前記四辺形の開口が1つ以上の寸法を共通に有する、装置。 - 請求項12記載の装置において、前記加熱可能なプラテンが、更に、前記光学的に平滑な第1表面の逆側において、光学的に平滑な第2表面を、前記押し出し成型品に対し呈する、装置。
- 請求項13記載の装置において、前記加熱可能なプラテンが、更に、前記光学的に平滑な第1および第2表面に隣接して、第3表面を前記押し出し成型品に対し呈する、装置。
- 請求項14記載の装置において、前記第3表面が、フレネル・レンズに対して相補的な構造を備えている、装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/335,551 US7976740B2 (en) | 2008-12-16 | 2008-12-16 | Fabrication of optically smooth light guide |
US12/335,551 | 2008-12-16 | ||
PCT/US2009/067949 WO2010075048A2 (en) | 2008-12-16 | 2009-12-14 | Fabrication of optically smooth light guide |
Publications (3)
Publication Number | Publication Date |
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JP2012512075A true JP2012512075A (ja) | 2012-05-31 |
JP2012512075A5 JP2012512075A5 (ja) | 2013-02-07 |
JP5653362B2 JP5653362B2 (ja) | 2015-01-14 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011542315A Expired - Fee Related JP5653362B2 (ja) | 2008-12-16 | 2009-12-14 | 光学的平滑ライト・ガイドの製作 |
Country Status (7)
Country | Link |
---|---|
US (2) | US7976740B2 (ja) |
EP (1) | EP2359171B1 (ja) |
JP (1) | JP5653362B2 (ja) |
KR (1) | KR101680395B1 (ja) |
CN (1) | CN102246070B (ja) |
MX (1) | MX2011006261A (ja) |
WO (1) | WO2010075048A2 (ja) |
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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 |
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US11500206B2 (en) | 2018-04-02 | 2022-11-15 | Magic Leap, Inc. | Waveguides with integrated optical elements and methods of making the same |
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CN102246070B (zh) | 2013-06-05 |
US8357317B2 (en) | 2013-01-22 |
MX2011006261A (es) | 2011-07-20 |
JP5653362B2 (ja) | 2015-01-14 |
KR20110093898A (ko) | 2011-08-18 |
CN102246070A (zh) | 2011-11-16 |
US20100148384A1 (en) | 2010-06-17 |
US7976740B2 (en) | 2011-07-12 |
KR101680395B1 (ko) | 2016-11-28 |
WO2010075048A3 (en) | 2010-08-19 |
EP2359171A4 (en) | 2014-10-22 |
EP2359171A2 (en) | 2011-08-24 |
US20110233798A1 (en) | 2011-09-29 |
WO2010075048A2 (en) | 2010-07-01 |
EP2359171B1 (en) | 2015-06-03 |
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