CN110168416B - 具有顶帽式光输出分布的不对称转向膜 - Google Patents

具有顶帽式光输出分布的不对称转向膜 Download PDF

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Publication number
CN110168416B
CN110168416B CN201880005859.8A CN201880005859A CN110168416B CN 110168416 B CN110168416 B CN 110168416B CN 201880005859 A CN201880005859 A CN 201880005859A CN 110168416 B CN110168416 B CN 110168416B
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CN
China
Prior art keywords
degrees
angle
optical system
major surface
light
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Expired - Fee Related
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CN201880005859.8A
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English (en)
Chinese (zh)
Other versions
CN110168416A (zh
Inventor
罗伯特·M·埃蒙斯
肯尼斯·A·爱泼斯坦
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3M Innovative Properties Co
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3M Innovative Properties Co
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Publication date
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Publication of CN110168416A publication Critical patent/CN110168416A/zh
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0215—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having a regular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • 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
    • F21V5/02—Refractors for light sources of prismatic shape
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Light Guides In General And Applications Therefor (AREA)
CN201880005859.8A 2017-01-04 2018-01-03 具有顶帽式光输出分布的不对称转向膜 Expired - Fee Related CN110168416B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762442338P 2017-01-04 2017-01-04
US62/442,338 2017-01-04
PCT/US2018/012175 WO2018129034A1 (en) 2017-01-04 2018-01-03 Asymmetric turning film with top-hat light output distributions

Publications (2)

Publication Number Publication Date
CN110168416A CN110168416A (zh) 2019-08-23
CN110168416B true CN110168416B (zh) 2022-07-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201880005859.8A Expired - Fee Related CN110168416B (zh) 2017-01-04 2018-01-03 具有顶帽式光输出分布的不对称转向膜

Country Status (4)

Country Link
US (1) US11307333B2 (enExample)
JP (1) JP7076754B2 (enExample)
CN (1) CN110168416B (enExample)
WO (1) WO2018129034A1 (enExample)

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CN109143680A (zh) * 2018-08-31 2019-01-04 青岛海信电器股份有限公司 一种背光模组及显示装置
US12189150B2 (en) 2018-12-20 2025-01-07 3M Innovative Properties Company Light control film with turning film and lenticular diffuser for view enhancement in the horizontal plane
WO2020128871A1 (en) 2018-12-20 2020-06-25 3M Innovative Properties Company Light control film with turning film and lenticular diffuser for view enhancement in the horizontal plane
CN116670426A (zh) * 2020-07-28 2023-08-29 日东电工株式会社 面照明装置、包含面照明装置的空间以及照明方法
JP2024500716A (ja) * 2020-12-18 2024-01-10 ブライトビュー テクノロジーズ， インコーポレイテッド 改良された効率を伴うエッジライト型バックライトユニット
CN114415273A (zh) * 2022-02-24 2022-04-29 伟时电子股份有限公司 光控制板，具有其的光学模组及显示装置

Citations (1)

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CN1625701A (zh) * 2002-01-31 2005-06-08 三菱丽阳株式会社 光偏转元件及使用该元件的光源装置

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Also Published As

Publication number Publication date
WO2018129034A1 (en) 2018-07-12
CN110168416A (zh) 2019-08-23
JP7076754B2 (ja) 2022-05-30
US11307333B2 (en) 2022-04-19
US20190339427A1 (en) 2019-11-07
JP2020507907A (ja) 2020-03-12

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Granted publication date: 20220722