CN101122714B - 光导板和具有光导板的液晶显示装置 - Google Patents
光导板和具有光导板的液晶显示装置 Download PDFInfo
- Publication number
- CN101122714B CN101122714B CN2007101464592A CN200710146459A CN101122714B CN 101122714 B CN101122714 B CN 101122714B CN 2007101464592 A CN2007101464592 A CN 2007101464592A CN 200710146459 A CN200710146459 A CN 200710146459A CN 101122714 B CN101122714 B CN 101122714B
- Authority
- CN
- China
- Prior art keywords
- region
- liquid crystal
- crystal display
- area
- grooves
- 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
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 88
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 11
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical group O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 2
- 239000010408 film Substances 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 16
- 239000000758 substrate Substances 0.000 description 13
- 238000009826 distribution Methods 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000012788 optical film Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
- G02B6/0033—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
- G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened 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
- G02B6/0058—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
-
- 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
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
Description
第一比较范例 | 第二比较范例 | 示范实施例 | |
槽图案 | 不连续排列短槽 | 连续长槽 | 中央:连续长槽边缘:不连续短槽 |
槽密度 | 高 | 低 | 中间(中央:低,边缘:高) |
光量 | 91% | 100% | 99% |
Claims (22)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR64362/06 | 2006-07-10 | ||
KR1020060064362A KR101286491B1 (ko) | 2006-07-10 | 2006-07-10 | 도광판과 이를 포함하는 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101122714A CN101122714A (zh) | 2008-02-13 |
CN101122714B true CN101122714B (zh) | 2012-05-09 |
Family
ID=38948886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101464592A Expired - Fee Related CN101122714B (zh) | 2006-07-10 | 2007-07-10 | 光导板和具有光导板的液晶显示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7458712B2 (zh) |
JP (1) | JP5022100B2 (zh) |
KR (1) | KR101286491B1 (zh) |
CN (1) | CN101122714B (zh) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101391891B1 (ko) * | 2007-06-22 | 2014-05-07 | 삼성디스플레이 주식회사 | 도광판, 이의 제조방법 및 이를 포함하는 액정 표시 장치 |
US8851734B2 (en) * | 2008-03-27 | 2014-10-07 | Skc Haas Display Films Co., Ltd. | Light guiding film having light extraction features |
JP5531629B2 (ja) * | 2010-01-14 | 2014-06-25 | 凸版印刷株式会社 | バックライトユニット及び表示装置 |
KR101866244B1 (ko) * | 2011-01-17 | 2018-06-12 | 삼성전자주식회사 | 스캐닝 백라이트 유닛 및 이를 구비하는 액정 표시 장치 |
CN102889512A (zh) | 2011-07-19 | 2013-01-23 | 精工爱普生株式会社 | 照明装置、液晶显示装置、电子设备以及导光板的制造方法 |
JP2013041803A (ja) * | 2011-07-19 | 2013-02-28 | Seiko Epson Corp | 照明装置、液晶表示装置、電子機器および導光板の製造方法 |
JP5776401B2 (ja) | 2011-07-21 | 2015-09-09 | セイコーエプソン株式会社 | 液晶表示装置、電子機器および照明装置 |
EP2748656B1 (de) * | 2011-08-23 | 2016-04-27 | Evonik Röhm GmbH | Kontinuierliches verfahren zur herstellung von lichtleiterplatten |
JP5821539B2 (ja) * | 2011-11-07 | 2015-11-24 | セイコーエプソン株式会社 | 照明装置、液晶表示装置および電子機器 |
KR101392486B1 (ko) * | 2012-11-16 | 2014-05-12 | 엘지디스플레이 주식회사 | 액정표시장치 |
JP6050712B2 (ja) * | 2013-03-27 | 2016-12-21 | 株式会社ジャパンディスプレイ | 反射型液晶表示装置及び電子機器 |
JP6384782B2 (ja) | 2014-07-24 | 2018-09-05 | パナソニックIpマネジメント株式会社 | 導光部材及びその製造方法 |
KR102121392B1 (ko) * | 2015-05-14 | 2020-06-10 | 삼성전자주식회사 | 3차원 영상 표시 장치 및 그 영상 표시 방법 |
US10466405B2 (en) | 2016-06-14 | 2019-11-05 | Keiwa Inc. | Prism sheet for backlight unit and backlight unit for liquid crystal display device |
JP7214334B2 (ja) * | 2016-06-14 | 2023-01-30 | 恵和株式会社 | バックライトユニット用プリズムシート及び液晶表示装置用バックライトユニット |
CN111751921B (zh) * | 2019-03-28 | 2024-12-31 | 瑞仪(广州)光电子器件有限公司 | 导光膜、导光板、背光模组及显示装置 |
US11269132B1 (en) * | 2021-04-26 | 2022-03-08 | Dell Products L.P. | Display panel bottom side border |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2927392B2 (ja) | 1993-12-28 | 1999-07-28 | 神栄株式会社 | 面発光体の製造方法 |
JP3237689B2 (ja) * | 1994-12-16 | 2001-12-10 | キヤノン株式会社 | 照明装置及びそれを用いた液晶表示装置 |
JP3187280B2 (ja) * | 1995-05-23 | 2001-07-11 | シャープ株式会社 | 面照明装置 |
JPH09236802A (ja) * | 1996-02-29 | 1997-09-09 | Meitaku Syst:Kk | エッジライトパネル |
JPH09329712A (ja) * | 1996-06-13 | 1997-12-22 | Canon Inc | 照明装置及びそれを用いた液晶表示装置 |
AU7962298A (en) * | 1997-06-17 | 1999-01-04 | Baker Electronics, Inc. | Optimized highly efficient large area modular flat panel display lighting de vice |
JP3434465B2 (ja) * | 1999-04-22 | 2003-08-11 | 三菱電機株式会社 | 液晶表示装置用バックライト |
JP3527961B2 (ja) * | 1999-04-30 | 2004-05-17 | 株式会社日立製作所 | フロントライト型反射液晶表示装置 |
JP4408494B2 (ja) * | 1999-09-16 | 2010-02-03 | 日本ライツ株式会社 | 導光板および平面照明装置ならびに液晶ディスプレイ |
JP2001332112A (ja) * | 2000-05-22 | 2001-11-30 | Mitsubishi Electric Corp | 液晶表示装置用バックライトおよびこれを備えた液晶表示装置 |
JP4907016B2 (ja) * | 2001-08-09 | 2012-03-28 | 株式会社 日立ディスプレイズ | 液晶表示装置 |
KR100460790B1 (ko) | 2002-05-24 | 2004-12-09 | 주식회사 엘에스텍 | 단속적인 패턴이 형성된 도광판을 가지는 면광원장치 |
KR100513956B1 (ko) * | 2003-01-18 | 2005-09-09 | 주식회사 엘에스텍 | 면광원 장치와, 이를 제조하는 방법 |
KR20030094527A (ko) * | 2002-06-04 | 2003-12-18 | 김기수 | 도광판, 그 제조 방법, 및 이를 채용하는 면광원장치 |
KR100646137B1 (ko) | 2004-03-24 | 2006-11-15 | 토파즈엘시디 주식회사 | 백라이트 유닛용 도광판 |
-
2006
- 2006-07-10 KR KR1020060064362A patent/KR101286491B1/ko active Active
-
2007
- 2007-05-15 JP JP2007129450A patent/JP5022100B2/ja not_active Expired - Fee Related
- 2007-07-06 US US11/774,260 patent/US7458712B2/en not_active Expired - Fee Related
- 2007-07-10 CN CN2007101464592A patent/CN101122714B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR101286491B1 (ko) | 2013-07-16 |
JP5022100B2 (ja) | 2012-09-12 |
KR20080005697A (ko) | 2008-01-15 |
US7458712B2 (en) | 2008-12-02 |
US20080013015A1 (en) | 2008-01-17 |
CN101122714A (zh) | 2008-02-13 |
JP2008020888A (ja) | 2008-01-31 |
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SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SAMSUNG DISPLAY CO., LTD. Free format text: FORMER OWNER: SAMSUNG ELECTRONICS CO., LTD. Effective date: 20121106 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20121106 Address after: Gyeonggi Do, South Korea Patentee after: Samsung Display Co., Ltd. Address before: Gyeonggi Do, South Korea Patentee before: Samsung Electronics Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20160710 |
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CF01 | Termination of patent right due to non-payment of annual fee |