TWI369547B - Light modulating plate, backlight assembly having the same and display device having the same - Google Patents

Light modulating plate, backlight assembly having the same and display device having the same

Info

Publication number
TWI369547B
TWI369547B TW094129853A TW94129853A TWI369547B TW I369547 B TWI369547 B TW I369547B TW 094129853 A TW094129853 A TW 094129853A TW 94129853 A TW94129853 A TW 94129853A TW I369547 B TWI369547 B TW I369547B
Authority
TW
Taiwan
Prior art keywords
same
display device
backlight assembly
light modulating
modulating plate
Prior art date
Application number
TW094129853A
Other languages
English (en)
Chinese (zh)
Other versions
TW200619776A (en
Inventor
Ju-Hwa Ha
Jin-Soo Kim
Jae-Ho Jung
Heu-Gon Kim
Original Assignee
Samsung Electronics Co Ltd
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
Priority claimed from KR1020040085747A external-priority patent/KR20060036679A/ko
Priority claimed from KR1020040085750A external-priority patent/KR20060036681A/ko
Priority claimed from KR1020040086361A external-priority patent/KR101158905B1/ko
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200619776A publication Critical patent/TW200619776A/zh
Application granted granted Critical
Publication of TWI369547B publication Critical patent/TWI369547B/zh

Links

Classifications

    • 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
    • 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
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • 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
    • G02B5/0247—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of voids or pores
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • 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
    • G02B6/0055—Reflecting 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • 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
    • G02F1/133504—Diffusing, scattering, diffracting elements
    • G02F1/133507—Films for enhancing the luminance
    • 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
    • G02F1/133604—Direct backlight with lamps
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S385/00—Optical waveguides
    • Y10S385/901—Illuminating or display apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW094129853A 2004-10-26 2005-08-31 Light modulating plate, backlight assembly having the same and display device having the same TWI369547B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020040085747A KR20060036679A (ko) 2004-10-26 2004-10-26 광 조절 플레이트 및 이를 갖는 백라이트 어셈블리
KR1020040085750A KR20060036681A (ko) 2004-10-26 2004-10-26 광 특성 향상시트 및 이를 갖는 백라이트 어셈블리
KR1020040086361A KR101158905B1 (ko) 2004-10-27 2004-10-27 광 조절 플레이트 및 이를 갖는 백라이트 어셈블리

Publications (2)

Publication Number Publication Date
TW200619776A TW200619776A (en) 2006-06-16
TWI369547B true TWI369547B (en) 2012-08-01

Family

ID=36206006

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094129853A TWI369547B (en) 2004-10-26 2005-08-31 Light modulating plate, backlight assembly having the same and display device having the same

Country Status (3)

Country Link
US (1) US7569257B2 (enExample)
JP (1) JP4806828B2 (enExample)
TW (1) TWI369547B (enExample)

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KR20060086628A (ko) * 2005-01-27 2006-08-01 삼성전자주식회사 광 조절 플레이트와 이를 포함한 액정표시장치
TWM291539U (en) * 2005-12-07 2006-06-01 Eternal Chemical Co Ltd Composite optical film
KR101295551B1 (ko) * 2006-07-14 2013-08-12 삼성디스플레이 주식회사 광조절 조립체와 이의 제조방법 및 이를 포함하는액정표시장치
KR100755010B1 (ko) * 2006-10-30 2007-09-04 황천남 조명장치
KR100854752B1 (ko) * 2007-02-01 2008-08-27 온누리전자(주) 확산 수단이 일체화된 백라이트 유닛용 프리즘 시트 및 그제조방법
KR20080079838A (ko) * 2007-02-28 2008-09-02 삼성에스디아이 주식회사 발광 장치 및 이를 구비한 표시 장치
KR101376245B1 (ko) * 2007-08-28 2014-03-21 엘지디스플레이 주식회사 액정표시장치용 백라이트 유닛
JP2009122239A (ja) * 2007-11-13 2009-06-04 Toppan Printing Co Ltd 輝度向上パネル
JP4913710B2 (ja) * 2007-11-21 2012-04-11 帝人化成株式会社 液晶バックライト用複合光拡散板
KR20090056903A (ko) * 2007-11-30 2009-06-03 주식회사 코오롱 광학용 복합 시트
KR20090073679A (ko) * 2007-12-31 2009-07-03 삼성전자주식회사 광학시트 및 표시 장치
EP2237081A4 (en) * 2008-01-10 2014-07-16 Kolon Inc OPTICAL FOILS
JP2009229713A (ja) * 2008-03-21 2009-10-08 Furukawa Electric Co Ltd:The 含気泡光拡散シートおよびバックライト装置
KR101524521B1 (ko) * 2008-09-19 2015-06-02 삼성디스플레이 주식회사 백라이트 어셈블리 및 그를 포함하는 표시 장치
CN202600172U (zh) * 2009-06-12 2012-12-12 夏普株式会社 光学部件和具备其的液晶显示装置
JP2011029146A (ja) * 2009-06-26 2011-02-10 Sony Corp バックライト、および液晶表示装置
WO2011049751A1 (en) 2009-10-23 2011-04-28 3M Innovative Properties Company Optical constructions and method of making the same
JP2013210493A (ja) * 2012-03-30 2013-10-10 Furukawa Electric Co Ltd:The 光反射部材及びその製造方法
GB2511780B (en) 2013-03-12 2017-04-19 Tcs John Huxley Europe Ltd Gaming table
KR20140146829A (ko) * 2013-06-18 2014-12-29 삼성전자주식회사 액정 디스플레이 장치
KR102160091B1 (ko) * 2014-06-12 2020-09-25 엘지디스플레이 주식회사 편광판 및 그 제조방법
KR102455724B1 (ko) * 2016-04-21 2022-10-19 삼성디스플레이 주식회사 플렉서블 표시 장치
KR102562045B1 (ko) * 2016-08-31 2023-08-01 엘지디스플레이 주식회사 확산 시트 및 이를 갖는 디스플레이 장치
CN106842408A (zh) * 2017-03-31 2017-06-13 京东方科技集团股份有限公司 导光板、制备导光板的方法以及显示装置
KR102533507B1 (ko) * 2018-08-13 2023-05-16 엘지디스플레이 주식회사 폴더블 표시 장치
JP2020129458A (ja) * 2019-02-07 2020-08-27 スリーエム イノベイティブ プロパティズ カンパニー バックライト、および液晶表示装置
KR102805694B1 (ko) 2020-06-24 2025-05-14 삼성디스플레이 주식회사 표시 장치
US12466962B1 (en) * 2024-10-30 2025-11-11 Valeo Vision Illuminated body panels including optics having coating with bubbles and method

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Also Published As

Publication number Publication date
US7569257B2 (en) 2009-08-04
JP4806828B2 (ja) 2011-11-02
JP2006128060A (ja) 2006-05-18
US20060087865A1 (en) 2006-04-27
TW200619776A (en) 2006-06-16

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