KR101222152B1 - 백라이트 어셈블리 및 이를 갖는 표시 장치 - Google Patents
백라이트 어셈블리 및 이를 갖는 표시 장치 Download PDFInfo
- Publication number
- KR101222152B1 KR101222152B1 KR1020060011058A KR20060011058A KR101222152B1 KR 101222152 B1 KR101222152 B1 KR 101222152B1 KR 1020060011058 A KR1020060011058 A KR 1020060011058A KR 20060011058 A KR20060011058 A KR 20060011058A KR 101222152 B1 KR101222152 B1 KR 101222152B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- light source
- source unit
- guide plate
- backlight assembly
- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
- G02B19/0028—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0061—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED
- G02B19/0066—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a LED in the form of an LED array
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
- G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
- G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
- G02B19/0071—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source adapted to illuminate a complete hemisphere or a plane extending 360 degrees around the source
-
- 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
-
- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/855—Optical field-shaping means, e.g. lenses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (19)
- 광을 발생시키는 광원, 상기 광원을 둘러싸는 제1 렌즈부 및 상기 제1 렌즈부 상에 위치하여 상면에 오목한 형상을 갖는 제2 렌즈부를 포함하는 광원 유닛; 및상면, 상기 상면에 대향하는 하면, 및 상기 광원 유닛의 전부 또는 일부를 감싸는 홈을 포함하여 상기 광원 유닛으로부터 발생한 상기 광을 가이드하는 도광판을 포함하고,상기 홈은,상기 도광판의 상기 하면으로부터 연장된 제1 면;상기 제1 면으로부터 연장되고 상기 도광판의 상기 하면과 둔각을 형성하도록 경사지되, 중심각이 30도 내지 60도의 곡률을 갖는 제2 면; 및상기 제2 면으로부터 연장되며, 상기 광원 유닛을 향하여 돌출된 제3 면에 의해 정의되는 백라이트 어셈블리.
- 제 1 항에 있어서, 상기 광원 유닛의 상기 제1 렌즈부의 측면은 굴곡진 것을 특징으로 하는 백라이트 어셈블리.
- 제 1 항에 있어서, 상기 광원 유닛의 상기 제2 렌즈부의 외측면은 원뿔대 형상을 가지며, 상기 제2 렌즈부의 내측면은 원뿔 형상을 갖는 것을 특징으로 하는 백라이트 어셈블리.
- 제 1 항에 있어서,상기 도광판의 상기 상면에는 상기 광원 유닛을 마주보는 광 경로 변경 패턴이 형성되고,상기 광 경로 변경 패턴은 평면에서 관찰할 때 상기 광원 유닛을 커버하는 것을 특징으로 하는 백라이트 어셈블리.
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- 제 4 항에 있어서, 상기 제3 면은 상기 제2 렌즈부의 상기 오목한 형상에 대응하는 것을 특징으로 하는 백라이트 어셈블리.
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- 제 1 항에 있어서, 상기 광원 유닛 아래에 배치되어 상기 광원 유닛에 전원을 공급하고, 상기 광원이 배치된 회로 기판을 더 포함하고,상기 광원 유닛은 상기 회로 기판과 상기 광원을 이격시키는 단차부를 더 포함하는 것을 특징으로 하는 백라이트 어셈블리.
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060011058A KR101222152B1 (ko) | 2006-02-06 | 2006-02-06 | 백라이트 어셈블리 및 이를 갖는 표시 장치 |
| US11/627,680 US7287891B1 (en) | 2006-02-06 | 2007-01-26 | Backlight assembly and display device having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060011058A KR101222152B1 (ko) | 2006-02-06 | 2006-02-06 | 백라이트 어셈블리 및 이를 갖는 표시 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070080024A KR20070080024A (ko) | 2007-08-09 |
| KR101222152B1 true KR101222152B1 (ko) | 2013-01-14 |
Family
ID=38333837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060011058A Expired - Fee Related KR101222152B1 (ko) | 2006-02-06 | 2006-02-06 | 백라이트 어셈블리 및 이를 갖는 표시 장치 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US7287891B1 (ko) |
| KR (1) | KR101222152B1 (ko) |
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| ES2313015T3 (es) * | 2003-06-27 | 2009-03-01 | Koninklijke Philips Electronics N.V. | Cuerpo luminoso. |
| KR20060012959A (ko) * | 2004-08-05 | 2006-02-09 | 삼성전자주식회사 | 표시 장치용 백라이트 |
| KR100788426B1 (ko) * | 2005-11-19 | 2007-12-24 | 삼성전자주식회사 | 백라이트 유닛 및 이를 포함하는 액정표시장치 |
| JP5052860B2 (ja) * | 2005-12-15 | 2012-10-17 | 三菱電機株式会社 | 面状光源装置及びこれを用いた表示装置 |
| TW200811536A (en) * | 2006-08-21 | 2008-03-01 | Onion Technology Corp | Back light module with direct type light guide plate and lighting device |
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| TWI329373B (en) * | 2007-03-13 | 2010-08-21 | Lite On Technology Corp | Light-emitting device and electronic device using the same |
| CN101290374A (zh) * | 2007-04-18 | 2008-10-22 | 鸿富锦精密工业(深圳)有限公司 | 背光模组及其光学板 |
| CN101303428A (zh) * | 2007-05-08 | 2008-11-12 | 鸿富锦精密工业(深圳)有限公司 | 背光模组及其光学板 |
| KR101363673B1 (ko) * | 2007-06-14 | 2014-02-17 | 엘지디스플레이 주식회사 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
| US20090086508A1 (en) * | 2007-09-27 | 2009-04-02 | Philips Lumileds Lighting Company, Llc | Thin Backlight Using Low Profile Side Emitting LEDs |
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| KR20110117458A (ko) * | 2010-04-21 | 2011-10-27 | 엘지전자 주식회사 | 디스플레이 장치 |
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| KR20110114268A (ko) * | 2010-04-13 | 2011-10-19 | 엘지전자 주식회사 | 백라이트 유닛 및 이를 포함하는 디스플레이 장치 |
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| KR101517972B1 (ko) * | 2014-07-21 | 2015-05-06 | 나만호 | 백라이트유닛을 포함하는 표시장치 및 그 제조방법 |
| KR102362197B1 (ko) * | 2015-02-02 | 2022-02-11 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 포함하는 액정 표시 장치 |
| KR20170106575A (ko) | 2016-03-11 | 2017-09-21 | 삼성전자주식회사 | 광원 모듈 및 이를 포함하는 조명 장치 |
| KR102360047B1 (ko) * | 2017-07-28 | 2022-02-08 | 삼성디스플레이 주식회사 | 백라이트 유닛, 이를 포함하는 표시 장치 및 표시 장치의 제조 방법 |
| CN108735119A (zh) * | 2018-06-15 | 2018-11-02 | 宁波乐为照明科技有限公司 | 广告灯箱的配光方法和广告灯箱 |
| KR101943836B1 (ko) * | 2018-07-17 | 2019-01-30 | 문승호 | 직하형 면광원 장치 |
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2006
- 2006-02-06 KR KR1020060011058A patent/KR101222152B1/ko not_active Expired - Fee Related
-
2007
- 2007-01-26 US US11/627,680 patent/US7287891B1/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020163808A1 (en) * | 2001-05-04 | 2002-11-07 | West Robert S. | Lens and Lens Cap with Sawtooth Portion for Light Emitting Diode |
| KR20050055387A (ko) * | 2003-12-08 | 2005-06-13 | 엘지.필립스 엘시디 주식회사 | 액정표시모듈 |
| JP2005332828A (ja) * | 2004-05-07 | 2005-12-02 | Lumileds Lighting Us Llc | 輝度プロフィール及び色均一性を改善した多色ledアレイ |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070183136A1 (en) | 2007-08-09 |
| US7287891B1 (en) | 2007-10-30 |
| KR20070080024A (ko) | 2007-08-09 |
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