KR20090033921A - 후면발광 영상 디스플레이용 휘도 강화 필름 - Google Patents

후면발광 영상 디스플레이용 휘도 강화 필름 Download PDF

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Publication number
KR20090033921A
KR20090033921A KR1020097004659A KR20097004659A KR20090033921A KR 20090033921 A KR20090033921 A KR 20090033921A KR 1020097004659 A KR1020097004659 A KR 1020097004659A KR 20097004659 A KR20097004659 A KR 20097004659A KR 20090033921 A KR20090033921 A KR 20090033921A
Authority
KR
South Korea
Prior art keywords
hemisphere
beads
sheet
film
refractive index
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.)
Withdrawn
Application number
KR1020097004659A
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English (en)
Korean (ko)
Inventor
로니 에이. 화이트해드
미쉘 앤 모스맨
Original Assignee
더 유니버시티 오브 브리티쉬 콜롬비아
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 더 유니버시티 오브 브리티쉬 콜롬비아 filed Critical 더 유니버시티 오브 브리티쉬 콜롬비아
Publication of KR20090033921A publication Critical patent/KR20090033921A/ko
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
    • 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
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0012—Arrays characterised by the manufacturing method
    • G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
    • 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
    • G02B3/0062—Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Elements Other Than Lenses (AREA)
KR1020097004659A 2004-05-07 2005-04-25 후면발광 영상 디스플레이용 휘도 강화 필름 Withdrawn KR20090033921A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US56868204P 2004-05-07 2004-05-07
US60/568,682 2004-05-07
US11/080,565 2005-03-16
US11/080,565 US7286280B2 (en) 2004-05-07 2005-03-16 Brightness enhancement film for backlit image displays

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020067010111A Division KR20060093344A (ko) 2004-05-07 2005-04-25 후면발광 영상 디스플레이용 휘도 강화 필름

Publications (1)

Publication Number Publication Date
KR20090033921A true KR20090033921A (ko) 2009-04-06

Family

ID=35239183

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020097004659A Withdrawn KR20090033921A (ko) 2004-05-07 2005-04-25 후면발광 영상 디스플레이용 휘도 강화 필름
KR1020067010111A Ceased KR20060093344A (ko) 2004-05-07 2005-04-25 후면발광 영상 디스플레이용 휘도 강화 필름

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020067010111A Ceased KR20060093344A (ko) 2004-05-07 2005-04-25 후면발광 영상 디스플레이용 휘도 강화 필름

Country Status (6)

Country Link
US (1) US7286280B2 (https=)
EP (1) EP1743210A4 (https=)
JP (1) JP2007517250A (https=)
KR (2) KR20090033921A (https=)
CA (1) CA2543513A1 (https=)
WO (1) WO2005109085A1 (https=)

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Also Published As

Publication number Publication date
CA2543513A1 (en) 2005-11-17
EP1743210A1 (en) 2007-01-17
KR20060093344A (ko) 2006-08-24
US20050248848A1 (en) 2005-11-10
JP2007517250A (ja) 2007-06-28
EP1743210A4 (en) 2007-11-07
WO2005109085A1 (en) 2005-11-17
US7286280B2 (en) 2007-10-23

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Comment text: Divisional Application for International Patent

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Patent event date: 20090305

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid