JP5653362B2 - 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
- Publication number
- JP5653362B2 JP5653362B2 JP2011542315A JP2011542315A JP5653362B2 JP 5653362 B2 JP5653362 B2 JP 5653362B2 JP 2011542315 A JP2011542315 A JP 2011542315A JP 2011542315 A JP2011542315 A JP 2011542315A JP 5653362 B2 JP5653362 B2 JP 5653362B2
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- JP
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- Prior art keywords
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- light guide
- fixed
- heated mold
- maintained
- 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.)
- Expired - Fee Related
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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
-
- 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
-
- 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
- G02B6/0033—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
- 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
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)
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 (11)
- 楔形状のライト・ガイドの製作方法であって、
光学的に透明の楔形状の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して押し出すステップと、
前記光学的に透明の楔形状の押し出し成型品を切断して固定幅の部分にするステップと、
前記固定幅の部分の厚い側面を加工して、前記固定幅の部分の前記厚い側面に沿って湾曲を形成するステップと、
前記加工後に、加工された前記厚い側面を、フレネル・レンズに対して相補的な、ミクロン・サイズからミリメートル・サイズの構造を有する加熱モールド表面と接触状態に維持して、前記厚い側面の表面層を軟化または溶融するステップと、
前記加工の後、加工された前記固定幅の部分の面を、加熱され平坦の光学的に平滑なモールド表面と接触状態に維持して、前記面の表面層を、前記面の下の前記熱可塑性ポリマーを溶融または軟化させることなく軟化または溶融するステップと、
前記厚い側面および前記面がそれらの対応する加熱モールド表面と接触状態に維持されている間、前記厚い側面および前記面をサブミクロン・スケールで平滑にして前記楔形状のライト・ガイドを生成するために前記押し出し成型品に圧力を加えるステップと、
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または2に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ことを含む、方法。
- 請求項1から3のいずれかに記載の方法において、固定幅の部分の前記厚い側面を加工する前記ステップが、鋭角の中心角によって包囲される円筒形の切片を形成するよう加工することを含む、方法。
- 請求項1から4のいずれかに記載の方法において、圧縮モールドを通して、前記固定幅の部分に前記圧力を加える、方法。
- 請求項5記載の方法において、前記固定幅の部分に前記圧力を加えている間、前記圧縮モールドを冷却することを更に含む、方法。
- 請求項1から6のいずれかに記載の方法において、前記固定幅の部分の寸法がある固定の値になるまで、前記固定幅の部分に前記圧力を加える、方法。
- 請求項1から7のいずれかに記載の方法において、前記加熱されたモールド表面と接触状態に維持された前記面が、対応する複数の加熱したモールド面と接触状態に維持された複数の面のうちの1つである、方法。
- 請求項1から8のいずれかに記載の方法において、面を前記加熱されたモールド表面と接触状態に維持する前記ステップが、前記面をフロート・ガラス表面と接触状態に維持することを含む、方法。
- 請求項1から9のいずれかに記載の方法において、前記面を加熱モールド面と接触状態に維持するステップが、前記面を、平均粗さが10ナノメートル未満である表面と接触状態に維持することを含む、方法。
- 請求項1から10のいずれかに記載の方法において、前記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ことを含む、方法。
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 |
---|---|
JP2012512075A JP2012512075A (ja) | 2012-05-31 |
JP2012512075A5 JP2012512075A5 (ja) | 2013-02-07 |
JP5653362B2 true JP5653362B2 (ja) | 2015-01-14 |
Family
ID=42239545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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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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 |
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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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-
2008
- 2008-12-16 US US12/335,551 patent/US7976740B2/en not_active Expired - Fee Related
-
2009
- 2009-12-14 WO PCT/US2009/067949 patent/WO2010075048A2/en active Application Filing
- 2009-12-14 MX MX2011006261A patent/MX2011006261A/es active IP Right Grant
- 2009-12-14 EP EP09835565.4A patent/EP2359171B1/en not_active Not-in-force
- 2009-12-14 CN CN2009801516096A patent/CN102246070B/zh not_active Expired - Fee Related
- 2009-12-14 JP JP2011542315A patent/JP5653362B2/ja not_active Expired - Fee Related
- 2009-12-14 KR KR1020117013601A patent/KR101680395B1/ko active IP Right Grant
-
2011
- 2011-06-07 US US13/154,659 patent/US8357317B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20100148384A1 (en) | 2010-06-17 |
CN102246070B (zh) | 2013-06-05 |
KR20110093898A (ko) | 2011-08-18 |
KR101680395B1 (ko) | 2016-11-28 |
EP2359171A2 (en) | 2011-08-24 |
US20110233798A1 (en) | 2011-09-29 |
EP2359171B1 (en) | 2015-06-03 |
CN102246070A (zh) | 2011-11-16 |
JP2012512075A (ja) | 2012-05-31 |
EP2359171A4 (en) | 2014-10-22 |
US7976740B2 (en) | 2011-07-12 |
WO2010075048A3 (en) | 2010-08-19 |
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MX2011006261A (es) | 2011-07-20 |
US8357317B2 (en) | 2013-01-22 |
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