KR100826401B1 - Led 백라이트 장치 - Google Patents
Led 백라이트 장치 Download PDFInfo
- Publication number
- KR100826401B1 KR100826401B1 KR1020050117160A KR20050117160A KR100826401B1 KR 100826401 B1 KR100826401 B1 KR 100826401B1 KR 1020050117160 A KR1020050117160 A KR 1020050117160A KR 20050117160 A KR20050117160 A KR 20050117160A KR 100826401 B1 KR100826401 B1 KR 100826401B1
- Authority
- KR
- South Korea
- Prior art keywords
- guide plate
- light guide
- led
- light
- backlight device
- 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
- 239000002184 metal Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005286 illumination Methods 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Images
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
- G02B6/002—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
- G02B6/0013—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
- G02B6/0066—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)
Abstract
Description
Claims (7)
- 한 쪽 측면의 폭 방향의 마주보는 모서리가 연장되어 한 쌍의 마주보는 벽부와 상기 벽부 사이에 오목부가 형성된 도광판;상기 도광판 안으로 빛을 투사하도록 상기 오목부에 수용된 복수개의 LED 광원;상기 LED 광원을 고정하며, 상기 도광판 벽부의 말단에 결합되는 판 부재; 및상기 오목부에 상기 LED 광원과 소정 간격 이격되도록 형성되며, 상기 LED 광원에서 방출된 빛을 상기 도광판 안으로 안내할 때 빛을 퍼지게 하는 요철을 포함하는 백라이트 장치.
- 삭제
- 제1항에 있어서, 상기 판 부재는 금속 기판인 것을 특징으로 하는 백라이트 장치.
- 제1항에 있어서, 상기 LED 광원은 상기 오목부에 끼워 맞춤되는 것을 특징으로 하는 백라이트 장치.
- 삭제
- 제1항에 있어서, 상기 요철은 프리즘, 반쪽 원주, 반쪽 원주 음각 및 이들의 조합 중에서 선택된 어느 하나인 것을 특징으로 하는 백라이트 장치.
- 제1항에 있어서, 상기 벽부는 서로 마주한 면의 기부가 곡선으로 상기 도광판에 연결되는 것을 특징으로 하는 백라이트 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050117160A KR100826401B1 (ko) | 2005-12-02 | 2005-12-02 | Led 백라이트 장치 |
US11/593,014 US20070127261A1 (en) | 2005-12-02 | 2006-11-06 | LED backlight device |
JP2006307473A JP2007157707A (ja) | 2005-12-02 | 2006-11-14 | Ledバックライト装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050117160A KR100826401B1 (ko) | 2005-12-02 | 2005-12-02 | Led 백라이트 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070057556A KR20070057556A (ko) | 2007-06-07 |
KR100826401B1 true KR100826401B1 (ko) | 2008-05-02 |
Family
ID=38118525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050117160A Expired - Fee Related KR100826401B1 (ko) | 2005-12-02 | 2005-12-02 | Led 백라이트 장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20070127261A1 (ko) |
JP (1) | JP2007157707A (ko) |
KR (1) | KR100826401B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014084448A1 (ko) * | 2012-11-28 | 2014-06-05 | Hwang Geun Ho | 조립성이 향상된 백라이트 유닛 |
Families Citing this family (47)
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TWI284234B (en) * | 2005-12-12 | 2007-07-21 | Nano Prec Corp | Backlight module |
KR100790697B1 (ko) * | 2006-02-21 | 2008-01-02 | 삼성전기주식회사 | Led 백라이트 유닛 |
US7540628B2 (en) * | 2006-04-24 | 2009-06-02 | Novicomm, Inc. | Illuminated panels and methods therefor |
JP4765837B2 (ja) * | 2006-08-23 | 2011-09-07 | ソニー株式会社 | バックライト装置及び液晶表示装置 |
US20080186732A1 (en) * | 2007-02-03 | 2008-08-07 | Awai George K | Light emitting diode modules for illuminated panels |
US20080186696A1 (en) * | 2007-02-03 | 2008-08-07 | Awai George K | Light emitting diode waveguide assemblies for illuminating refrigerated areas |
US20080186737A1 (en) * | 2007-02-03 | 2008-08-07 | Awai George K | Edge-illuminated panels with shaped-edge diffuser |
KR101283129B1 (ko) * | 2007-04-03 | 2013-07-05 | 엘지이노텍 주식회사 | 도광판, 면 광원 장치 및 이를 갖는 표시 장치 |
US20090046479A1 (en) * | 2007-08-16 | 2009-02-19 | Philips Lumileds Lighting Company, Llc | Thin Backlight Using Low Profile Side Emitting LED |
JP4773410B2 (ja) * | 2007-08-28 | 2011-09-14 | シャープ株式会社 | 導光板、面光源装置、および液晶表示装置 |
JP5230984B2 (ja) * | 2007-09-14 | 2013-07-10 | 株式会社ジャパンディスプレイイースト | 液晶表示装置 |
US7963689B2 (en) * | 2007-10-24 | 2011-06-21 | Kun Dian Photoelectric Enterprise Co. | LED-edgelit light guide fixture having LED receiving grooves |
US8746943B2 (en) * | 2007-11-08 | 2014-06-10 | Innovations In Optics, Inc. | LED backlighting system with closed loop control |
CN101463966A (zh) * | 2007-12-19 | 2009-06-24 | 富准精密工业(深圳)有限公司 | 白光照明装置及使用该装置的台灯 |
CN101680619B (zh) * | 2008-02-07 | 2013-03-06 | 索尼株式会社 | 导光板、面发光装置、液晶显示设备及导光板制造方法 |
KR20100001566A (ko) * | 2008-06-27 | 2010-01-06 | 삼성전자주식회사 | 광원 장치, 이의 제조방법 및 이를 갖는 백라이트 어셈블리 |
JP2010165572A (ja) * | 2009-01-16 | 2010-07-29 | Sony Corp | 平面発光装置、パネル、および表示装置 |
US20100309409A1 (en) * | 2009-06-03 | 2010-12-09 | Starkey Kurt R | Light emitting assemblies having defined regions of different brightness |
JP2012529737A (ja) * | 2009-06-11 | 2012-11-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 照明装置 |
WO2011004320A1 (en) | 2009-07-09 | 2011-01-13 | Koninklijke Philips Electronics N.V. | Free form lighting module |
EP2452217B1 (en) | 2009-07-10 | 2020-05-06 | Signify Holding B.V. | Lighting module |
US9581756B2 (en) | 2009-10-05 | 2017-02-28 | Lighting Science Group Corporation | Light guide for low profile luminaire |
US9157581B2 (en) | 2009-10-05 | 2015-10-13 | Lighting Science Group Corporation | Low profile luminaire with light guide and associated systems and methods |
KR20110048283A (ko) * | 2009-11-02 | 2011-05-11 | 삼성전자주식회사 | Blu 및 디스플레이 장치 |
TW201118466A (en) * | 2009-11-18 | 2011-06-01 | Coretronic Corp | Backlight module |
JP5638371B2 (ja) * | 2010-02-19 | 2014-12-10 | 三菱電機株式会社 | 面状光源装置及び表示装置 |
TWI418861B (zh) * | 2010-03-16 | 2013-12-11 | Coretronic Nanjing Ltd | 導光板及使用其之背光模組 |
US8154680B2 (en) * | 2010-04-15 | 2012-04-10 | Apple Inc. | Electronic device display structures with controlled chassis reflections |
US20110298696A1 (en) * | 2010-06-04 | 2011-12-08 | Mingxia Gu | Displays with uniform backlight colors |
JP5514009B2 (ja) * | 2010-06-23 | 2014-06-04 | セイコーインスツル株式会社 | 照明装置及び表示装置 |
TW201209480A (en) * | 2010-08-25 | 2012-03-01 | Young Lighting Technology Corp | Light guide plate and light source module |
US8988628B2 (en) | 2011-06-23 | 2015-03-24 | Apple Inc. | Coated chassis for liquid crystal display |
JP5747712B2 (ja) * | 2011-07-25 | 2015-07-15 | 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 |
JP5533827B2 (ja) * | 2011-09-20 | 2014-06-25 | 豊田合成株式会社 | 線状光源装置 |
JP5584723B2 (ja) * | 2012-03-28 | 2014-09-03 | 三菱電機株式会社 | 面状光源装置、及び面状光源装置を用いた表示装置 |
US9239422B2 (en) | 2012-12-20 | 2016-01-19 | Apple Inc. | Light guide plate with blunt edges |
AT513894B1 (de) * | 2013-01-22 | 2016-01-15 | Din Dietmar Nocker Facilityman Gmbh | Hinweistafel, insbesondere für eine Notbeleuchtungsanlage |
CN103323904A (zh) * | 2013-06-21 | 2013-09-25 | 北京京东方光电科技有限公司 | 导光板及应用其的背光模组、显示装置 |
CN104298003A (zh) * | 2014-10-21 | 2015-01-21 | 京东方科技集团股份有限公司 | 一种背光源及显示装置 |
US9759851B2 (en) * | 2015-04-01 | 2017-09-12 | Microsoft Technology Licensing, Llc | Thermal expansion compensated backlight illumination |
CN104820259B (zh) * | 2015-04-28 | 2018-04-27 | 武汉华星光电技术有限公司 | 导光板、背光模组及显示装置 |
CN104834048B (zh) | 2015-05-14 | 2018-01-26 | 北京京东方茶谷电子有限公司 | 一种显示面板、多面显示结构和显示装置 |
US11759993B2 (en) | 2016-01-20 | 2023-09-19 | Nissan Ringel | Panel device and method of manufacturing |
US20190261788A1 (en) * | 2016-01-20 | 2019-08-29 | Nissan Ringel | Lighting Units |
CN105509000A (zh) * | 2016-01-28 | 2016-04-20 | 京东方科技集团股份有限公司 | 一种减小光源与导光板之间缝隙的方法及显示模组 |
JP2017191693A (ja) * | 2016-04-12 | 2017-10-19 | 久豊技研株式会社 | 面発光装置、および画像形成装置 |
US10113708B1 (en) | 2017-04-28 | 2018-10-30 | Rev-A-Shelf Company, Llc | Edge lighted panel |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10177177A (ja) | 1996-12-17 | 1998-06-30 | Advanced Display:Kk | 液晶表示装置 |
KR20020060550A (ko) * | 2001-01-11 | 2002-07-18 | 박철 | 도광판 구조 및 제조방법 |
JP2004171966A (ja) * | 2002-11-21 | 2004-06-17 | Matsushita Electric Ind Co Ltd | 面照明装置 |
KR20050013164A (ko) * | 2002-06-27 | 2005-02-02 | 퀄컴 인코포레이티드 | 디지털-아날로그 변환기 시스템에 적용가능한 필터링 |
JP2005228719A (ja) * | 2004-02-16 | 2005-08-25 | Citizen Electronics Co Ltd | 導光板 |
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-
2005
- 2005-12-02 KR KR1020050117160A patent/KR100826401B1/ko not_active Expired - Fee Related
-
2006
- 2006-11-06 US US11/593,014 patent/US20070127261A1/en not_active Abandoned
- 2006-11-14 JP JP2006307473A patent/JP2007157707A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10177177A (ja) | 1996-12-17 | 1998-06-30 | Advanced Display:Kk | 液晶表示装置 |
KR20020060550A (ko) * | 2001-01-11 | 2002-07-18 | 박철 | 도광판 구조 및 제조방법 |
KR20050013164A (ko) * | 2002-06-27 | 2005-02-02 | 퀄컴 인코포레이티드 | 디지털-아날로그 변환기 시스템에 적용가능한 필터링 |
JP2004171966A (ja) * | 2002-11-21 | 2004-06-17 | Matsushita Electric Ind Co Ltd | 面照明装置 |
JP2005228719A (ja) * | 2004-02-16 | 2005-08-25 | Citizen Electronics Co Ltd | 導光板 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014084448A1 (ko) * | 2012-11-28 | 2014-06-05 | Hwang Geun Ho | 조립성이 향상된 백라이트 유닛 |
Also Published As
Publication number | Publication date |
---|---|
JP2007157707A (ja) | 2007-06-21 |
KR20070057556A (ko) | 2007-06-07 |
US20070127261A1 (en) | 2007-06-07 |
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