TW200909940A - Backlight for liquid crystal display - Google Patents
Backlight for liquid crystal display Download PDFInfo
- Publication number
- TW200909940A TW200909940A TW097113068A TW97113068A TW200909940A TW 200909940 A TW200909940 A TW 200909940A TW 097113068 A TW097113068 A TW 097113068A TW 97113068 A TW97113068 A TW 97113068A TW 200909940 A TW200909940 A TW 200909940A
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- input surface
- backlight
- reflective
- light input
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 36
- 239000007787 solid Substances 0.000 claims abstract description 41
- 230000003667 anti-reflective effect Effects 0.000 claims description 74
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 19
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- 230000000007 visual effect Effects 0.000 description 7
- 230000001788 irregular Effects 0.000 description 5
- 239000011358 absorbing material Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- 239000012780 transparent material Substances 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000011960 computer-aided design Methods 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
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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
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
-
- 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
-
- 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
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)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/750,412 US7528893B2 (en) | 2007-05-18 | 2007-05-18 | Backlight for liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW200909940A true TW200909940A (en) | 2009-03-01 |
Family
ID=40027121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097113068A TW200909940A (en) | 2007-05-18 | 2008-04-10 | Backlight for liquid crystal display |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7528893B2 (enExample) |
| JP (1) | JP5778419B2 (enExample) |
| KR (1) | KR20100021437A (enExample) |
| TW (1) | TW200909940A (enExample) |
| WO (1) | WO2008144109A1 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054448A (zh) * | 2016-06-12 | 2016-10-26 | 合肥工业大学 | 一种背光模组及液晶显示装置 |
| TWI659249B (zh) * | 2010-05-24 | 2019-05-11 | ３Ｍ新設資產公司 | 具降低之串擾的指向性背光 |
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| WO2008045681A1 (en) * | 2006-10-06 | 2008-04-17 | 3M Innovative Properties Company | Backlight modules for autostereoscopic 3d display devices and scanning backlights for lcd devices |
| US8520061B2 (en) * | 2009-12-14 | 2013-08-27 | 3M Innovative Properties Company | Zero-D dimming for 3D displays |
| US8659830B2 (en) * | 2009-12-21 | 2014-02-25 | 3M Innovative Properties Company | Optical films enabling autostereoscopy |
| US8917447B2 (en) * | 2010-01-13 | 2014-12-23 | 3M Innovative Properties Company | Microreplicated film for attachment to autostereoscopic display components |
| US8646960B2 (en) | 2010-08-03 | 2014-02-11 | 3M Innovative Properties Company | Scanning backlight with slatless light guide |
| TWI452358B (zh) * | 2010-08-16 | 2014-09-11 | Briview Corp | 具側邊入光結構之導光板及其製造方法 |
| US9310551B2 (en) * | 2010-10-11 | 2016-04-12 | 3M Innovative Properties Company | Illumination device having viscoelastic lightguide |
| KR101724065B1 (ko) | 2010-11-01 | 2017-04-07 | 삼성전자주식회사 | 지향성 도광판, 지향성 면광원 및 지향성 면광원을 채용한 3ｄ 영상 디스플레이 장치 |
| US9250448B2 (en) | 2010-11-19 | 2016-02-02 | Reald Inc. | Segmented directional backlight and related methods of backlight illumination |
| US20140041205A1 (en) | 2010-11-19 | 2014-02-13 | Reald Inc. | Method of manufacturing directional backlight apparatus and directional structured optical film |
| US8651726B2 (en) | 2010-11-19 | 2014-02-18 | Reald Inc. | Efficient polarized directional backlight |
| EP2641121B1 (en) | 2010-11-19 | 2019-04-10 | RealD Spark, LLC | Directional flat illuminators |
| US9244284B2 (en) | 2011-03-15 | 2016-01-26 | 3M Innovative Properties Company | Microreplicated film for autostereoscopic displays |
| JP2012221789A (ja) | 2011-04-11 | 2012-11-12 | Minebea Co Ltd | 面状照明装置 |
| JP6008167B2 (ja) * | 2011-05-23 | 2016-10-19 | パナソニックＩｐマネジメント株式会社 | 配光システム及び立体画像表示装置 |
| JP5769511B2 (ja) * | 2011-06-15 | 2015-08-26 | ミネベア株式会社 | 面状照明装置 |
| TWM417571U (en) | 2011-06-29 | 2011-12-01 | Coretronic Corp | Backlight module |
| US9237337B2 (en) | 2011-08-24 | 2016-01-12 | Reald Inc. | Autostereoscopic display with a passive cycloidal diffractive waveplate |
| CN104321686B (zh) | 2012-05-18 | 2017-04-12 | 瑞尔D斯帕克有限责任公司 | 控制定向背光源的光源 |
| US9235057B2 (en) | 2012-05-18 | 2016-01-12 | Reald Inc. | Polarization recovery in a directional display device |
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| JP6308630B2 (ja) | 2012-05-18 | 2018-04-11 | リアルディー スパーク エルエルシー | 指向性照明導波路配置 |
| US9188731B2 (en) | 2012-05-18 | 2015-11-17 | Reald Inc. | Directional backlight |
| WO2013173791A1 (en) | 2012-05-18 | 2013-11-21 | Reald Inc. | Directional display apparatus |
| US8917441B2 (en) | 2012-07-23 | 2014-12-23 | Reald Inc. | Observe tracking autostereoscopic display |
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| JP2016529764A (ja) | 2013-06-17 | 2016-09-23 | リアルディー インコーポレイテッド | 指向性バックライトの光源の制御 |
| EP3058422B1 (en) | 2013-10-14 | 2019-04-24 | RealD Spark, LLC | Light input for directional backlight |
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| US9551825B2 (en) | 2013-11-15 | 2017-01-24 | Reald Spark, Llc | Directional backlights with light emitting element packages |
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| CN103838034A (zh) * | 2014-02-07 | 2014-06-04 | 京东方科技集团股份有限公司 | 背光模组以及双视显示装置 |
| EP3120187B1 (en) | 2014-03-21 | 2021-10-20 | RealD Spark, LLC | Directional backlight |
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| CN107003563B (zh) | 2014-10-08 | 2021-01-12 | 瑞尔D斯帕克有限责任公司 | 定向背光源 |
| CN113917585A (zh) | 2014-10-23 | 2022-01-11 | 康宁股份有限公司 | 光漫射部件和制造光漫射部件的方法 |
| KR102009921B1 (ko) | 2014-12-22 | 2019-08-12 | 삼성전자주식회사 | 무안경 3d 디스플레이용 프리즘 시트, 및 이를 구비한 디스플레이 장치 |
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| EP3924776B1 (en) | 2019-02-12 | 2024-07-10 | RealD Spark, LLC | Display device with diffuser for privacy display |
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| CN114846393B (zh) | 2019-11-13 | 2024-12-03 | 瑞尔D斯帕克有限责任公司 | 离轴显示装置 |
| EP4073560A4 (en) | 2019-12-10 | 2024-02-21 | RealD Spark, LLC | REFLECTION CONTROL OF A DISPLAY DEVICE |
| CN114902093B (zh) | 2019-12-18 | 2025-09-26 | 瑞尔D斯帕克有限责任公司 | 用于隐私显示的环境光的控制 |
| EP4143043A4 (en) | 2020-04-30 | 2024-06-05 | RealD Spark, LLC | DIRECTION INDICATOR |
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| US11624944B2 (en) | 2020-07-29 | 2023-04-11 | Reald Spark, Llc | Backlight for switchable directional display |
| WO2022060673A1 (en) | 2020-09-16 | 2022-03-24 | Reald Spark, Llc | Vehicle external illumination device |
| US11892717B2 (en) | 2021-09-30 | 2024-02-06 | Reald Spark, Llc | Marks for privacy display |
| EP4476588A4 (en) | 2022-02-09 | 2025-12-31 | Reald Spark Llc | PRIVACY DISPLAY MONITORED BY AN OBSERVER |
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| CN119948379A (zh) | 2022-08-11 | 2025-05-06 | 瑞尔D斯帕克有限责任公司 | 变形定向照明装置 |
| CN121368740A (zh) | 2023-04-25 | 2026-01-20 | 瑞尔D斯帕克有限责任公司 | 可切换隐私显示器 |
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| US6377850B1 (en) | 2000-03-09 | 2002-04-23 | Wilson Greatbatch Ltd. | Fuel gauge for an alkali metal electrochemical cell |
| JP3930021B2 (ja) * | 2002-09-19 | 2007-06-13 | 三菱電機株式会社 | 表示装置および表示装置を備えた電子機器 |
| US7224529B2 (en) * | 2003-09-09 | 2007-05-29 | 3M Innovative Properties Company | Microreplicated article |
| JP4412167B2 (ja) * | 2004-04-06 | 2010-02-10 | 三菱電機株式会社 | 表示装置 |
| WO2005099421A2 (en) * | 2004-04-14 | 2005-10-27 | The Trustees Of Princeton University | Monolithic wavelength stabilized asymmetric laser |
| JP2006044075A (ja) * | 2004-08-04 | 2006-02-16 | Alps Electric Co Ltd | 樹脂製光学部品の製造装置および製造方法と樹脂製光学部品 |
| US7576805B2 (en) * | 2004-12-22 | 2009-08-18 | Mitsubishi Denki Kabushiki Kaisha | Display device with light guide plate having antireflection portions on light incident surfaces |
| KR100813977B1 (ko) * | 2005-07-08 | 2008-03-14 | 삼성전자주식회사 | 2차원/3차원 영상 호환용 고해상도 입체 영상 디스플레이장치 |
| 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
-
2008
- 2008-03-28 KR KR1020097025481A patent/KR20100021437A/ko not_active Withdrawn
- 2008-03-28 JP JP2010508469A patent/JP5778419B2/ja not_active Expired - Fee Related
- 2008-03-28 WO PCT/US2008/058626 patent/WO2008144109A1/en not_active Ceased
- 2008-04-10 TW TW097113068A patent/TW200909940A/zh unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI659249B (zh) * | 2010-05-24 | 2019-05-11 | ３Ｍ新設資產公司 | 具降低之串擾的指向性背光 |
| CN106054448A (zh) * | 2016-06-12 | 2016-10-26 | 合肥工业大学 | 一种背光模组及液晶显示装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100021437A (ko) | 2010-02-24 |
| US20080284945A1 (en) | 2008-11-20 |
| JP2010528326A (ja) | 2010-08-19 |
| US7528893B2 (en) | 2009-05-05 |
| WO2008144109A1 (en) | 2008-11-27 |
| JP5778419B2 (ja) | 2015-09-16 |
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