JP5778419B2 - 液晶ディスプレイ用バックライト - Google Patents
液晶ディスプレイ用バックライト Download PDFInfo
- Publication number
- JP5778419B2 JP5778419B2 JP2010508469A JP2010508469A JP5778419B2 JP 5778419 B2 JP5778419 B2 JP 5778419B2 JP 2010508469 A JP2010508469 A JP 2010508469A JP 2010508469 A JP2010508469 A JP 2010508469A JP 5778419 B2 JP5778419 B2 JP 5778419B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- input surface
- antireflection
- light input
- guide plate
- 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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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/24—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters
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- 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
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
- 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
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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
Description
Claims (2)
- 発光面、第1の光入力面、前記第1の光入力面に対向する第2の光入力面、及び導光板厚さを有する導光板を含み、複数の反射防止機構であって、前記反射防止機構に対向する前記第1の光入力面又は前記第2の光入力面からの光を反射防止又は吸収する、或いは反射防止及び吸収する、前記複数の反射防止機構が、前記第1の光入力面及び前記第2の光入力面上又はそれらの中に存在し、各反射防止機構が、前記導光板厚さより小さい基部長さ値及び高さ値と、反射防止層及び光吸収層の少なくとも一方を含む少なくとも2つの表面とを有し、更に、
前記第1の光入力面内に光を供給するように配置された右眼用画像固体光源及び前記第2の光入力面内に光を供給するように配置された左眼用画像固体光源を含み、
少なくとも選択された反射防止機構が前記導光板の前記発光面と平行に又は直交して延在する線状プリズム要素を形成する、
バックライト。 - 自動立体液晶ディスプレイパネルと、
前記自動立体液晶ディスプレイパネルに光を供給するように配置されたバックライトと、を含む表示装置であって、前記バックライトは、
発光面、第1の光入力面、前記第1の光入力面に対向する第2の光入力面、及び導光板厚さを有する、導光板を含み、複数の反射防止機構であって、前記反射防止機構に対向する前記第1の光入力面又は前記第2の光入力面からの光を反射防止又は吸収する、或いは反射防止及び吸収する、前記複数の反射防止機構が、前記第1の光入力面及び前記第2の光入力面上又はそれらの中に存在し、各反射防止機構が、反射防止層及び光吸収層の少なくとも一方を含む少なくとも2つの表面と、前記導光板厚さより小さい基部長さ値及び高さ値とを有し、更に、
前記第1の光入力面内に光を供給するように配置された右眼用画像固体光源及び前記第2の光入力面内に光を供給するように配置された左眼用画像固体光源を含み、
少なくとも選択された反射防止機構が前記導光板の前記発光面と平行に又は直交して延在する線状プリズム要素を形成する、
表示装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/750,412 US7528893B2 (en) | 2007-05-18 | 2007-05-18 | Backlight for liquid crystal display |
US11/750,412 | 2007-05-18 | ||
PCT/US2008/058626 WO2008144109A1 (en) | 2007-05-18 | 2008-03-28 | Backlight for liquid crystal display |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2010528326A JP2010528326A (ja) | 2010-08-19 |
JP2010528326A5 JP2010528326A5 (ja) | 2011-05-06 |
JP5778419B2 true JP5778419B2 (ja) | 2015-09-16 |
Family
ID=40027121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010508469A Expired - Fee Related JP5778419B2 (ja) | 2007-05-18 | 2008-03-28 | 液晶ディスプレイ用バックライト |
Country Status (5)
Country | Link |
---|---|
US (1) | US7528893B2 (ja) |
JP (1) | JP5778419B2 (ja) |
KR (1) | KR20100021437A (ja) |
TW (1) | TW200909940A (ja) |
WO (1) | WO2008144109A1 (ja) |
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KR100796591B1 (ko) | 2005-08-23 | 2008-01-21 | 삼성에스디아이 주식회사 | 양면형 입체영상 디스플레이 장치 |
-
2007
- 2007-05-18 US US11/750,412 patent/US7528893B2/en not_active Expired - Fee Related
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2008
- 2008-03-28 KR KR1020097025481A patent/KR20100021437A/ko not_active Application Discontinuation
- 2008-03-28 JP JP2010508469A patent/JP5778419B2/ja not_active Expired - Fee Related
- 2008-03-28 WO PCT/US2008/058626 patent/WO2008144109A1/en active Application Filing
- 2008-04-10 TW TW097113068A patent/TW200909940A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
US20080284945A1 (en) | 2008-11-20 |
US7528893B2 (en) | 2009-05-05 |
JP2010528326A (ja) | 2010-08-19 |
WO2008144109A1 (en) | 2008-11-27 |
TW200909940A (en) | 2009-03-01 |
KR20100021437A (ko) | 2010-02-24 |
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