CN104641264B - 具有基本上非成像嵌入扩散片的增亮膜 - Google Patents

具有基本上非成像嵌入扩散片的增亮膜 Download PDF

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Publication number
CN104641264B
CN104641264B CN201380020326.4A CN201380020326A CN104641264B CN 104641264 B CN104641264 B CN 104641264B CN 201380020326 A CN201380020326 A CN 201380020326A CN 104641264 B CN104641264 B CN 104641264B
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China
Prior art keywords
optical film
substrate
prisms
layer
layers
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Chinese (zh)
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CN104641264A (zh
Inventor
加里·T·博伊德
王庆兵
特里·D·彭
康妮·L·约翰逊
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3M Innovative Properties Co
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3M Innovative Properties Co
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/48—Laser speckle optics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0043—Inhomogeneous or irregular arrays, e.g. varying shape, size, height
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
    • 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
    • G02B5/0221—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 an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—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
    • G02B5/0231—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 microprismatic or micropyramidal shape
    • 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
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Planar Illumination Modules (AREA)
CN201380020326.4A 2012-04-20 2013-04-12 具有基本上非成像嵌入扩散片的增亮膜 Active CN104641264B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261636424P 2012-04-20 2012-04-20
US61/636,424 2012-04-20
PCT/US2013/036291 WO2013158475A1 (en) 2012-04-20 2013-04-12 Brightness enhancement film with substantially non-imaging embedded diffuser

Publications (2)

Publication Number Publication Date
CN104641264A CN104641264A (zh) 2015-05-20
CN104641264B true CN104641264B (zh) 2017-09-08

Family

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Family Applications (1)

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CN201380020326.4A Active CN104641264B (zh) 2012-04-20 2013-04-12 具有基本上非成像嵌入扩散片的增亮膜

Country Status (6)

Country Link
US (1) US10571711B2 (enExample)
JP (2) JP6338569B2 (enExample)
KR (1) KR20150002820A (enExample)
CN (1) CN104641264B (enExample)
TW (1) TWI614537B (enExample)
WO (1) WO2013158475A1 (enExample)

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JP6185446B2 (ja) * 2014-08-18 2017-08-23 富士フイルム株式会社 バックライトユニットおよび液晶表示装置
EP3209841B1 (en) 2014-10-20 2021-04-07 3M Innovative Properties Company Insulated glazing units and microoptical layer comprising microstructured diffuser and methods
KR20170074934A (ko) 2014-10-20 2017-06-30 쓰리엠 이노베이티브 프로퍼티즈 캄파니 감소된 눈부심을 갖는 태양-지향식 광 방향전환 필름
KR20170071582A (ko) 2014-10-20 2017-06-23 쓰리엠 이노베이티브 프로퍼티즈 캄파니 감소된 눈부심을 갖는 방-지향식 광 방향전환 필름
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US10401553B2 (en) * 2017-03-21 2019-09-03 Keiwa Inc. Liquid crystal display device and turning film for liquid crystal display device
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US20200142104A1 (en) * 2017-07-12 2020-05-07 3M Innovative Properties Company Faceted microstructured surface
CN111699417B (zh) 2017-12-14 2022-04-29 唯亚威通讯技术有限公司 光学系统
CN109142470A (zh) * 2018-09-29 2019-01-04 业成科技（成都）有限公司 侦测装置及识别系统
CN110442273A (zh) * 2019-07-19 2019-11-12 深圳市华星光电半导体显示技术有限公司 红外触控显示装置
CN115023646A (zh) 2020-02-10 2022-09-06 3M创新有限公司 用于显示器的背光源
CN111679352A (zh) * 2020-06-09 2020-09-18 盐城东福电子科技有限公司 一种扩散片结构
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Also Published As

Publication number Publication date
TW201348756A (zh) 2013-12-01
JP2015520407A (ja) 2015-07-16
US10571711B2 (en) 2020-02-25
JP6605557B2 (ja) 2019-11-13
JP2018055112A (ja) 2018-04-05
TWI614537B (zh) 2018-02-11
JP6338569B2 (ja) 2018-06-06
WO2013158475A1 (en) 2013-10-24
KR20150002820A (ko) 2015-01-07
CN104641264A (zh) 2015-05-20
US20150116833A1 (en) 2015-04-30

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