CN102486277A - 背光源单元和使用它的影像显示装置 - Google Patents
背光源单元和使用它的影像显示装置 Download PDFInfo
- Publication number
- CN102486277A CN102486277A CN2011103820070A CN201110382007A CN102486277A CN 102486277 A CN102486277 A CN 102486277A CN 2011103820070 A CN2011103820070 A CN 2011103820070A CN 201110382007 A CN201110382007 A CN 201110382007A CN 102486277 A CN102486277 A CN 102486277A
- Authority
- CN
- China
- Prior art keywords
- light
- lgp
- liquid crystal
- crystal panel
- backlight unit
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 76
- 230000003287 optical effect Effects 0.000 claims description 41
- 238000009792 diffusion process Methods 0.000 claims description 6
- 238000007323 disproportionation reaction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000007788 roughening Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
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
- G02B6/0013—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
- 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
-
- 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
- G02F1/133601—Illuminating devices for spatial active dimming
-
- 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
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- 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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010269881A JP5533611B2 (ja) | 2010-12-03 | 2010-12-03 | バックライトユニット及びこれを用いた映像表示装置 |
JP2010-269881 | 2010-12-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102486277A true CN102486277A (zh) | 2012-06-06 |
CN102486277B CN102486277B (zh) | 2014-10-29 |
Family
ID=45065594
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011204767921U Expired - Lifetime CN202361194U (zh) | 2010-12-03 | 2011-11-25 | 背光源单元和使用它的影像显示装置 |
CN201110382007.0A Active CN102486277B (zh) | 2010-12-03 | 2011-11-25 | 背光源单元和使用它的影像显示装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011204767921U Expired - Lifetime CN202361194U (zh) | 2010-12-03 | 2011-11-25 | 背光源单元和使用它的影像显示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8740441B2 (zh) |
EP (1) | EP2461091B1 (zh) |
JP (1) | JP5533611B2 (zh) |
CN (2) | CN202361194U (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5533611B2 (ja) * | 2010-12-03 | 2014-06-25 | 日立コンシューマエレクトロニクス株式会社 | バックライトユニット及びこれを用いた映像表示装置 |
RU2532024C1 (ru) * | 2013-07-12 | 2014-10-27 | Эдуард Валентинович Агаев | Устройство выделенной подсветки поверхности |
KR102404722B1 (ko) * | 2015-02-02 | 2022-06-02 | 삼성디스플레이 주식회사 | 액정 표시 장치 |
JP2019021488A (ja) | 2017-07-14 | 2019-02-07 | 株式会社ジャパンディスプレイ | 照明装置および液晶表示装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070064440A1 (en) * | 2005-09-21 | 2007-03-22 | Hon Hai Precision Industry Co., Ltd. | Light guide device and backlight module using the same |
WO2010004801A1 (ja) * | 2008-07-07 | 2010-01-14 | シャープ株式会社 | 照明装置および液晶表示装置 |
WO2010038519A1 (ja) * | 2008-09-30 | 2010-04-08 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
CN202361194U (zh) * | 2010-12-03 | 2012-08-01 | 日立民用电子株式会社 | 背光源单元和使用它的影像显示装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003021727A (ja) * | 2001-07-10 | 2003-01-24 | Yuka Denshi Co Ltd | 導光体及びこれを用いた面光源装置と液晶ディスプレイ装置 |
CN1302325C (zh) * | 2002-04-25 | 2007-02-28 | 皇家飞利浦电子股份有限公司 | 紧凑型照明***及显示装置 |
JP4206874B2 (ja) | 2002-09-09 | 2009-01-14 | 日亜化学工業株式会社 | 面状発光装置 |
JP4182783B2 (ja) * | 2003-03-14 | 2008-11-19 | 豊田合成株式会社 | Ledパッケージ |
JP4590283B2 (ja) * | 2004-05-21 | 2010-12-01 | シャープ株式会社 | バックライトユニット及びそれを備えた液晶表示装置 |
JP2007227286A (ja) * | 2006-02-27 | 2007-09-06 | Seiko Instruments Inc | 照明装置、及びこれを用いた表示装置 |
KR100780205B1 (ko) | 2006-04-21 | 2007-11-27 | 삼성전기주식회사 | 액정표시장치용 백라이트 유닛 |
JP4637803B2 (ja) * | 2006-05-12 | 2011-02-23 | シャープ株式会社 | 導光板およびそれを備えた面状発光装置 |
JP4695626B2 (ja) | 2006-06-30 | 2011-06-08 | 株式会社東芝 | 照明装置及び液晶表示装置 |
US8770821B2 (en) * | 2007-04-16 | 2014-07-08 | Koninklijke Philips N.V. | Optical arrangement with a light transmitting layer arranged to cover a portion of light entry surface of light guide and to transmit light diffusively |
US7845826B2 (en) * | 2008-01-15 | 2010-12-07 | Skc Haas Display Films Co., Ltd. | Multilayered integrated backlight illumination assembly |
KR100941866B1 (ko) * | 2008-01-17 | 2010-02-11 | 삼성모바일디스플레이주식회사 | 듀얼 액정표시장치 |
JPWO2009099219A1 (ja) * | 2008-02-07 | 2011-06-02 | ソニー株式会社 | 導光板、面発光装置、液晶表示装置及び導光板の製造方法 |
KR101268960B1 (ko) * | 2008-02-22 | 2013-05-29 | 엘지디스플레이 주식회사 | 백라이트 유닛 |
DE102009022662A1 (de) | 2008-05-26 | 2010-01-14 | Citizen Electronics Co., Ltd., Fujiyoshida-shi | Planare licht-emittierende Anordnung und Flüssigkristall-Anzeigevorrichtung |
JP2009283419A (ja) * | 2008-05-26 | 2009-12-03 | Citizen Electronics Co Ltd | 面状光源及び液晶表示装置 |
JP2010021131A (ja) | 2008-06-09 | 2010-01-28 | Hitachi Ltd | 表示装置及びそれに用いられるバックライトユニット |
JP5174685B2 (ja) * | 2009-01-05 | 2013-04-03 | 三菱電機株式会社 | 面状光源装置およびこれを用いた表示装置 |
-
2010
- 2010-12-03 JP JP2010269881A patent/JP5533611B2/ja active Active
-
2011
- 2011-11-22 EP EP11009238.4A patent/EP2461091B1/en active Active
- 2011-11-22 US US13/301,832 patent/US8740441B2/en active Active
- 2011-11-25 CN CN2011204767921U patent/CN202361194U/zh not_active Expired - Lifetime
- 2011-11-25 CN CN201110382007.0A patent/CN102486277B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070064440A1 (en) * | 2005-09-21 | 2007-03-22 | Hon Hai Precision Industry Co., Ltd. | Light guide device and backlight module using the same |
WO2010004801A1 (ja) * | 2008-07-07 | 2010-01-14 | シャープ株式会社 | 照明装置および液晶表示装置 |
WO2010038519A1 (ja) * | 2008-09-30 | 2010-04-08 | シャープ株式会社 | 照明装置、表示装置、及びテレビ受信装置 |
CN202361194U (zh) * | 2010-12-03 | 2012-08-01 | 日立民用电子株式会社 | 背光源单元和使用它的影像显示装置 |
Also Published As
Publication number | Publication date |
---|---|
US20120140447A1 (en) | 2012-06-07 |
JP5533611B2 (ja) | 2014-06-25 |
US8740441B2 (en) | 2014-06-03 |
EP2461091A3 (en) | 2012-08-29 |
CN102486277B (zh) | 2014-10-29 |
CN202361194U (zh) | 2012-08-01 |
EP2461091A2 (en) | 2012-06-06 |
JP2012119247A (ja) | 2012-06-21 |
EP2461091B1 (en) | 2023-04-19 |
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Owner name: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150303 |
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Effective date of registration: 20150303 Address after: Osaka Japan Patentee after: Hitachi Maxell, Ltd. Address before: Tokyo, Japan Patentee before: Hitachi Consumer Electronics Co.,Ltd. |
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Address after: Kyoto Japan Patentee after: MAXELL, Ltd. Address before: Kyoto Japan Patentee before: MAXELL HOLDINGS, Ltd. |
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Effective date of registration: 20220530 Address after: Kyoto Japan Patentee after: MAXELL HOLDINGS, Ltd. Address before: Kyoto Japan Patentee before: MAXELL, Ltd. |