KR100784572B1 - 일체형 표면 디퓨저를 가진 라이트파이프로 구성된백라이트조립체 - Google Patents

일체형 표면 디퓨저를 가진 라이트파이프로 구성된백라이트조립체 Download PDF

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Publication number
KR100784572B1
KR100784572B1 KR1020027000238A KR20027000238A KR100784572B1 KR 100784572 B1 KR100784572 B1 KR 100784572B1 KR 1020027000238 A KR1020027000238 A KR 1020027000238A KR 20027000238 A KR20027000238 A KR 20027000238A KR 100784572 B1 KR100784572 B1 KR 100784572B1
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KR
South Korea
Prior art keywords
light
light pipe
diffuser
backlight assembly
pipe
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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KR1020027000238A
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English (en)
Korean (ko)
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KR20020064275A (ko
Inventor
아바스 호세이니
현선 정
아나톨리 바실리브
가젠드라디. 사반트
Original Assignee
피지컬 옵틱스 코포레이션
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/004Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/28Structurally-combined illuminating devices
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/0035Means 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
    • G02B6/0038Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light 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
    • G02B6/0033Means for improving the coupling-out of light from the light guide
    • G02B6/005Means 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
    • G02B6/0053Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00Optical waveguides
    • Y10S385/901Illuminating or display apparatus

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Liquid Crystal (AREA)
KR1020027000238A 1999-07-08 2000-06-29 일체형 표면 디퓨저를 가진 라이트파이프로 구성된백라이트조립체 Expired - Fee Related KR100784572B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/350,198 US6347873B1 (en) 1999-07-08 1999-07-08 Backlight assembly with a light pipe having an integral surface diffuser
US09/350,198 1999-07-08

Publications (2)

Publication Number Publication Date
KR20020064275A KR20020064275A (ko) 2002-08-07
KR100784572B1 true KR100784572B1 (ko) 2007-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020027000238A Expired - Fee Related KR100784572B1 (ko) 1999-07-08 2000-06-29 일체형 표면 디퓨저를 가진 라이트파이프로 구성된백라이트조립체

Country Status (7)

Country Link
US (2) US6347873B1 (enExample)
EP (1) EP1194741A4 (enExample)
JP (1) JP4418864B2 (enExample)
KR (1) KR100784572B1 (enExample)
IL (2) IL147484A0 (enExample)
TW (1) TWI252303B (enExample)
WO (1) WO2001004579A1 (enExample)

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US6992659B2 (en) 2001-05-22 2006-01-31 Palmone, Inc. High transparency integrated enclosure touch screen assembly for a portable hand held device
US7142195B2 (en) 2001-06-04 2006-11-28 Palm, Inc. Interface for interaction with display visible from both sides
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JP4547276B2 (ja) 2005-01-24 2010-09-22 シチズン電子株式会社 面状光源
US20060182409A1 (en) * 2005-02-11 2006-08-17 Eastman Kodak Company Optical films of differing refractive indices
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US20070115686A1 (en) * 2005-11-23 2007-05-24 Luc Tyberghien Lighting assembly, backlight assembly, display panel, and methods of temperature control
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JP5416134B2 (ja) * 2008-01-08 2014-02-12 ドルビー ラボラトリーズ ライセンシング コーポレイション 視差低減
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Also Published As

Publication number Publication date
KR20020064275A (ko) 2002-08-07
JP2003504682A (ja) 2003-02-04
US6347873B1 (en) 2002-02-19
US20010001595A1 (en) 2001-05-24
US6481864B2 (en) 2002-11-19
TWI252303B (en) 2006-04-01
IL147484A0 (en) 2002-08-14
EP1194741A4 (en) 2002-09-04
EP1194741A1 (en) 2002-04-10
IL147484A (en) 2006-04-10
JP4418864B2 (ja) 2010-02-24
WO2001004579A1 (en) 2001-01-18

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