JP4435774B2 - バックライトアセンブリ及び液晶表示装置 - Google Patents
バックライトアセンブリ及び液晶表示装置 Download PDFInfo
- Publication number
- JP4435774B2 JP4435774B2 JP2006324175A JP2006324175A JP4435774B2 JP 4435774 B2 JP4435774 B2 JP 4435774B2 JP 2006324175 A JP2006324175 A JP 2006324175A JP 2006324175 A JP2006324175 A JP 2006324175A JP 4435774 B2 JP4435774 B2 JP 4435774B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light emitting
- light guide
- liquid crystal
- 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
- 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
- G02B6/0016—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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—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
- G02B6/0013—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
- G02B6/0066—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)
Description
また、複数個の発光素子と、前記発光素子と同一な平面を成すように配置される導光板と、前記導光板の一側面に一定間隔隔てて形成され、光経路を変更させる複数の光補正部とを含み、前記複数の光補正部は、前記複数個の発光素子の間にそれぞれ配置され、前記発光素子及び前記光補正部は、一列に配置され、前記光補正部は、前記導光板から突出形成される突出部と、前記突出部に形成されるドットパターンとを含む。
160:発光ダイオード 150: 導光板
100:液晶パネル 170:反射板
130:光学シート類 162:ハウジング
200:突出部 151:入射面
Claims (6)
- 複数個の発光素子と、
前記発光素子と同一な平面を成すように配置される導光板と、
前記導光板の一側面に一定間隔隔てて形成され、光経路を変更させる複数の光補正部と
を含み、
前記複数の光補正部は、前記複数個の発光素子の間にそれぞれ配置され、
前記発光素子及び前記光補正部は、一列に配置され、
前記光補正部は、
前記導光板から突出形成される突出部と、
前記突出部の表面に配置される反射シートまたは反射膜と
を含むことを特徴とするバックライトアセンブリ。 - 前記突出部は、それぞれ三角柱形状を有する
ことを特徴とする請求項1に記載のバックライトアセンブリ。 - 前記光補正部の突出された表面に、光を反射させる少なくとも一つ以上の反射シートが付着され、または反射膜が塗布される
ことを特徴とする請求項2に記載のバックライトアセンブリ。 - 複数個の発光素子と、
前記発光素子と同一な平面を成すように配置される導光板と、
前記導光板の一側面に一定間隔隔てて形成され、光経路を変更させる複数の光補正部と
を含み、
前記複数の光補正部は、前記複数個の発光素子の間にそれぞれ配置され、
前記発光素子及び前記光補正部は、一列に配置され、
前記光補正部は、
前記導光板から突出形成される突出部と、
前記突出部に形成されるドットパターンと
を含むことを特徴とするバックライトアセンブリ。 - 前記突出部は、四角柱形状を有し、
前記導光板は、前記発光素子と対向する光入射面を含み、
前記光入射面と前記突出部の境界領域は、ラウンド形状を有する
ことを特徴とする請求項4に記載のバックライトアセンブリ。 - 請求項1から5までのいずれか1項に記載のバックライトアセンブリと、
前記導光板上に配置されて映像を表示する液晶パネルと
を含むことを特徴とする液晶表示装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060060073A KR100989219B1 (ko) | 2006-06-30 | 2006-06-30 | 백라이트 어셈블리 및 이를 구비한 액정표시장치. |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008016429A JP2008016429A (ja) | 2008-01-24 |
JP4435774B2 true JP4435774B2 (ja) | 2010-03-24 |
Family
ID=38876425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006324175A Expired - Fee Related JP4435774B2 (ja) | 2006-06-30 | 2006-11-30 | バックライトアセンブリ及び液晶表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7637646B2 (ja) |
JP (1) | JP4435774B2 (ja) |
KR (1) | KR100989219B1 (ja) |
CN (1) | CN101097349B (ja) |
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KR100638874B1 (ko) * | 2005-07-06 | 2006-10-27 | 삼성전기주식회사 | Led 광원이 도광판에 삽입된 백라이트 장치의광원-도광판 구조 및 이를 포함하는 백라이트 장치 |
TWI314663B (en) * | 2005-12-23 | 2009-09-11 | Au Optronics Corp | Backlight module with multiple light sources |
-
2006
- 2006-06-30 KR KR1020060060073A patent/KR100989219B1/ko active IP Right Grant
- 2006-09-18 US US11/522,438 patent/US7637646B2/en active Active
- 2006-09-26 CN CN2006101270709A patent/CN101097349B/zh not_active Expired - Fee Related
- 2006-11-30 JP JP2006324175A patent/JP4435774B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2008016429A (ja) | 2008-01-24 |
CN101097349B (zh) | 2010-05-26 |
KR100989219B1 (ko) | 2010-10-20 |
KR20080001755A (ko) | 2008-01-04 |
US20080002428A1 (en) | 2008-01-03 |
US7637646B2 (en) | 2009-12-29 |
CN101097349A (zh) | 2008-01-02 |
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