HK1014583A1 - Surface illumination device and liquid crystal display - Google Patents
Surface illumination device and liquid crystal displayInfo
- Publication number
- HK1014583A1 HK1014583A1 HK98115929A HK98115929A HK1014583A1 HK 1014583 A1 HK1014583 A1 HK 1014583A1 HK 98115929 A HK98115929 A HK 98115929A HK 98115929 A HK98115929 A HK 98115929A HK 1014583 A1 HK1014583 A1 HK 1014583A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- liquid crystal
- crystal display
- illumination device
- surface illumination
- display
- Prior art date
Links
- 238000005286 illumination Methods 0.000 title 1
- 239000004973 liquid crystal related substance Substances 0.000 title 1
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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
- G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide
-
- 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
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
-
- 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
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to 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
- G02F1/133604—Direct backlight with lamps
-
- 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
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G02B6/0066—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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Liquid Crystal (AREA)
- Planar Illumination Modules (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18497692 | 1992-07-13 | ||
JP11185293 | 1993-05-13 | ||
PCT/JP1993/000965 WO1994001795A1 (en) | 1992-07-13 | 1993-07-13 | Surface illumination device and liquid crystal display |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1014583A1 true HK1014583A1 (en) | 1999-09-30 |
Family
ID=26451157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98115929A HK1014583A1 (en) | 1992-07-13 | 1998-12-28 | Surface illumination device and liquid crystal display |
Country Status (6)
Country | Link |
---|---|
US (3) | US5619351A (de) |
EP (2) | EP0798507B1 (de) |
JP (5) | JP3256970B2 (de) |
DE (2) | DE69331896T2 (de) |
HK (1) | HK1014583A1 (de) |
WO (1) | WO1994001795A1 (de) |
Families Citing this family (132)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994001795A1 (en) * | 1992-07-13 | 1994-01-20 | Seiko Epson Corporation | Surface illumination device and liquid crystal display |
US5640216A (en) * | 1994-04-13 | 1997-06-17 | Hitachi, Ltd. | Liquid crystal display device having video signal driving circuit mounted on one side and housing |
JP3434053B2 (ja) * | 1994-11-30 | 2003-08-04 | ハリソン東芝ライティング株式会社 | バックライトおよびこれを用いた液晶表示装置 |
EP0717236B1 (de) * | 1994-12-16 | 2001-08-16 | Canon Kabushiki Kaisha | Beleuchtungsvorrichtung und diese enthaltende Flüssigkristallanzeige |
US5796450A (en) * | 1994-12-16 | 1998-08-18 | Canon Kabushiki Kaisha | Illumination device and liquid crystal display apparatus including same |
US7108414B2 (en) | 1995-06-27 | 2006-09-19 | Solid State Opto Limited | Light emitting panel assemblies |
JP3790571B2 (ja) * | 1995-11-06 | 2006-06-28 | 株式会社きもと | 光拡散性シートおよびそれを用いた液晶ディスプレイ用バックライトユニット |
JPH09147618A (ja) * | 1995-11-20 | 1997-06-06 | Sharp Corp | 照明装置 |
US6219117B1 (en) * | 1996-06-12 | 2001-04-17 | Alps Electric Co., Ltd. | Liquid crystal display device |
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DE19652209A1 (de) * | 1996-12-16 | 1998-06-18 | Bosch Gmbh Robert | Beleuchtungseinheit |
DE19700472A1 (de) * | 1997-01-09 | 1998-07-23 | Bosch Gmbh Robert | Beleuchtungseinheit |
KR100229615B1 (ko) * | 1997-01-28 | 1999-11-15 | 구자홍 | 액정표시장치 |
US5896229A (en) * | 1997-02-20 | 1999-04-20 | Ericsson Inc. | Discretely applied diffusor structures on lightguides |
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KR100218581B1 (ko) * | 1997-04-08 | 1999-09-01 | 구자홍 | 액정표시장치를 가지는 휴대용 컴퓨터 |
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JP4042829B2 (ja) | 1998-04-01 | 2008-02-06 | 矢崎総業株式会社 | 液晶表示装置 |
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JP3331326B2 (ja) * | 1998-11-13 | 2002-10-07 | 株式会社東芝 | 面光源装置及びこれを用いた平面表示装置 |
DE19858810A1 (de) | 1998-12-21 | 2000-06-29 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Flache Beleuchtungsvorrichtung und Betriebsverfahren |
ATE340967T1 (de) | 1998-12-29 | 2006-10-15 | Osram Opto Semiconductors Gmbh | Lichtquellenelement mit seitlicher schräger lichteinkopplung |
JP3565101B2 (ja) * | 1999-08-11 | 2004-09-15 | セイコーエプソン株式会社 | サイドライト型面光源装置およびその製造方法、電気光学装置ならびに電子機器 |
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US8684584B2 (en) * | 2001-05-16 | 2014-04-01 | Benzion Inditsky | Ultra-thin backlight |
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DE10137042A1 (de) * | 2001-07-31 | 2003-02-20 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Planare Lichtquelle auf LED-Basis |
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- 1993-07-13 EP EP97201696A patent/EP0798507B1/de not_active Expired - Lifetime
- 1993-07-13 JP JP50092094A patent/JP3256970B2/ja not_active Expired - Fee Related
- 1993-07-13 DE DE69331896T patent/DE69331896T2/de not_active Expired - Lifetime
- 1993-07-13 US US08/204,374 patent/US5619351A/en not_active Expired - Lifetime
- 1993-07-13 EP EP93914993A patent/EP0607453B1/de not_active Expired - Lifetime
- 1993-07-13 DE DE69333439T patent/DE69333439T2/de not_active Expired - Lifetime
-
1996
- 1996-08-09 US US08/689,424 patent/US5949505A/en not_active Expired - Lifetime
-
1998
- 1998-12-28 HK HK98115929A patent/HK1014583A1/xx not_active IP Right Cessation
-
1999
- 1999-05-28 US US09/321,687 patent/US6108060A/en not_active Expired - Lifetime
- 1999-08-10 JP JP11226530A patent/JP2000082314A/ja active Pending
- 1999-08-10 JP JP11226532A patent/JP2000075294A/ja active Pending
- 1999-08-10 JP JP11226531A patent/JP2000076915A/ja active Pending
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2002
- 2002-09-24 JP JP2002277916A patent/JP3555619B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0607453A1 (de) | 1994-07-27 |
EP0798507B1 (de) | 2004-03-03 |
JP3555619B2 (ja) | 2004-08-18 |
JP3256970B2 (ja) | 2002-02-18 |
JP2000075294A (ja) | 2000-03-14 |
DE69333439D1 (de) | 2004-04-08 |
WO1994001795A1 (en) | 1994-01-20 |
EP0798507A1 (de) | 1997-10-01 |
US5619351A (en) | 1997-04-08 |
JP2000082314A (ja) | 2000-03-21 |
JP2003123524A (ja) | 2003-04-25 |
US6108060A (en) | 2000-08-22 |
EP0607453B1 (de) | 2002-05-08 |
JP2000076915A (ja) | 2000-03-14 |
DE69331896T2 (de) | 2002-09-26 |
EP0607453A4 (de) | 1995-04-12 |
DE69331896D1 (de) | 2002-06-13 |
US5949505A (en) | 1999-09-07 |
DE69333439T2 (de) | 2005-02-10 |
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Effective date: 20120713 |