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TWI367371B - Backlight unit and liquid crystal display comprising the same and method of transmitting light emitted from backlighting unit to image display panel - Google Patents

Backlight unit and liquid crystal display comprising the same and method of transmitting light emitted from backlighting unit to image display panel

Info

Publication number
TWI367371B
TWI367371B TW095121861A TW95121861A TWI367371B TW I367371 B TWI367371 B TW I367371B TW 095121861 A TW095121861 A TW 095121861A TW 95121861 A TW95121861 A TW 95121861A TW I367371 B TWI367371 B TW I367371B
Authority
TW
Taiwan
Prior art keywords
unit
liquid crystal
light emitted
same
transmitting light
Prior art date
Application number
TW095121861A
Other languages
English (en)
Other versions
TW200705053A (en
Inventor
Hye-Eun Park
Dong-Seob Jang
Seong-Ho Youn
Chang-Ju Kim
Seung-Jae Lee
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
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of TW200705053A publication Critical patent/TW200705053A/zh
Application granted granted Critical
Publication of TWI367371B publication Critical patent/TWI367371B/zh

Links

Classifications

    • 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
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • 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
    • G02F1/133603—Direct backlight with LEDs
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

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)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
TW095121861A 2005-07-22 2006-06-19 Backlight unit and liquid crystal display comprising the same and method of transmitting light emitted from backlighting unit to image display panel TWI367371B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050066914A KR100699263B1 (ko) 2005-07-22 2005-07-22 백라이트 유닛 및 액정표시장치

Publications (2)

Publication Number Publication Date
TW200705053A TW200705053A (en) 2007-02-01
TWI367371B true TWI367371B (en) 2012-07-01

Family

ID=37656697

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095121861A TWI367371B (en) 2005-07-22 2006-06-19 Backlight unit and liquid crystal display comprising the same and method of transmitting light emitted from backlighting unit to image display panel

Country Status (4)

Country Link
US (1) US20070019394A1 (zh)
KR (1) KR100699263B1 (zh)
CN (1) CN100495133C (zh)
TW (1) TWI367371B (zh)

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JP6790899B2 (ja) 2017-02-17 2020-11-25 日亜化学工業株式会社 発光モジュールの製造方法及び発光モジュール
US20180335559A1 (en) * 2017-05-17 2018-11-22 Seohan Litek Co., Ltd. Backlight unit and luminous flux control member for local dimming
DE102017119125A1 (de) * 2017-08-22 2019-02-28 Roccat GmbH Vorrichtung und Verfahren zur Erzeugung bewegter Lichteffekte
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JP7197765B2 (ja) * 2018-08-03 2022-12-28 日亜化学工業株式会社 発光装置
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KR102626377B1 (ko) * 2019-06-12 2024-01-19 삼성디스플레이 주식회사 백라이트 유닛 및 이를 구비한 표시 장치
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Also Published As

Publication number Publication date
TW200705053A (en) 2007-02-01
CN1900775A (zh) 2007-01-24
KR100699263B1 (ko) 2007-03-27
KR20070012085A (ko) 2007-01-25
US20070019394A1 (en) 2007-01-25
CN100495133C (zh) 2009-06-03

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Legal Events

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MM4A Annulment or lapse of patent due to non-payment of fees