KR101292583B1 - 액정표시장치용 백라이트 유닛 - Google Patents
액정표시장치용 백라이트 유닛 Download PDFInfo
- Publication number
- KR101292583B1 KR101292583B1 KR1020060052958A KR20060052958A KR101292583B1 KR 101292583 B1 KR101292583 B1 KR 101292583B1 KR 1020060052958 A KR1020060052958 A KR 1020060052958A KR 20060052958 A KR20060052958 A KR 20060052958A KR 101292583 B1 KR101292583 B1 KR 101292583B1
- Authority
- KR
- South Korea
- Prior art keywords
- lamp
- light
- fluorescent
- fluorescent material
- guide plate
- 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.)
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Classifications
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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
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- 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
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- 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
- G02B6/0003—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 doped with fluorescent agents
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- 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
- G02B6/0018—Redirecting means on the surface of the light guide
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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
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S385/00—Optical waveguides
- Y10S385/901—Illuminating or display apparatus
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 (9)
- 반사판과;상기 반사판 상에 안착되고, 300 ~ 380nm의 파장대의 자외선을 흡수하는 제1첨가제를 내부에 포함하는 도광판과;상기 도광판의 일측을 따라서 배열되며, 형광물질을 제외한 불활성기체 및 수은분자로 이루어진 불활성방전가스가 충진되어 자외선을 발산하는 램프와;상기 도광판 상부에 안착되며, 상기 자외선을 흡수하여 가시광선으로 방출하는 형광물질과 245 ~ 356nm의 파장대의 자외선을 흡수하는 제2첨가제를 포함하는 다수의 광학시트를 포함하고,상기 형광물질은, 스프레이방식 또는 침전방식을 이용하여 상기 다수의 광학시트의 표면에 직접 코팅되고,상기 제2첨가제는, 상기 다수의 광학시트를 형성하는 과정에서 첨가되는 액정표시장치용 백라이트 유닛.
- 반사판과;상기 반사판 상에 나란하게 배열되며, 형광물질을 제외한 불활성기체 및 수은분자로 이루어진 불활성방전가스가 충진되어 자외선을 발산하는 램프와;상기 램프 상부에 안착되며, 상기 자외선을 흡수하여 가시광선으로 방출하는 형광물질과 245 ~ 356nm의 파장대의 자외선을 흡수하는 첨가제를 포함하는 다수의 광학시트를 포함하고,상기 형광물질은, 스프레이방식 또는 침전방식을 이용하여 상기 다수의 광학시트의 표면에 직접 코팅되고,상기 첨가제는, 상기 다수의 광학시트를 형성하는 과정에서 첨가되는 액정표시장치용 백라이트 유닛.
- 제 1 항 및 제 2 항 중 선택된 한 항에 있어서,상기 램프는 유리관과, 상기 유리관 양단에 구성되는 제 1 및 제 2 전극과, 상기 유리관 내부에 구성되는 보호층을 포함하는 것을 특징으로 하는 액정표시장치용 백라이트 유닛.
- 제 1 항 및 제 2 항 중 선택된 한 항에 있어서,상기 형광물질은 상기 다수의 광학시트 중 어느 하나에 형성되는 것을 특징으로 하는 액정표시장치용 백라이트 유닛.
- 삭제
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 램프의 상하 외측을 가이드하는 램프가이드를 더욱 포함하는 것을 특징으로 하는 액정표시장치용 백라이트 유닛.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060052958A KR101292583B1 (ko) | 2006-06-13 | 2006-06-13 | 액정표시장치용 백라이트 유닛 |
US11/636,579 US7520653B2 (en) | 2006-06-13 | 2006-12-11 | Backlight unit and liquid crystal display device using the same |
CNB2006101623575A CN100565296C (zh) | 2006-06-13 | 2006-12-14 | 背光单元以及使用该单元的液晶显示器件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060052958A KR101292583B1 (ko) | 2006-06-13 | 2006-06-13 | 액정표시장치용 백라이트 유닛 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070118796A KR20070118796A (ko) | 2007-12-18 |
KR101292583B1 true KR101292583B1 (ko) | 2013-08-09 |
Family
ID=38821748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060052958A Active KR101292583B1 (ko) | 2006-06-13 | 2006-06-13 | 액정표시장치용 백라이트 유닛 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7520653B2 (ko) |
KR (1) | KR101292583B1 (ko) |
CN (1) | CN100565296C (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI531840B (zh) * | 2011-05-24 | 2016-05-01 | 友達光電股份有限公司 | 背光模組 |
KR102318262B1 (ko) * | 2015-03-11 | 2021-10-27 | 삼성디스플레이 주식회사 | 백라이트 유닛 및 이를 포함하는 표시 장치 |
KR102554719B1 (ko) * | 2016-08-30 | 2023-07-11 | 엘지디스플레이 주식회사 | 발광다이오드 어셈블리와 이를 포함하는 백라이트 유닛 및 이를 포함하는 액정표시장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000352947A (ja) * | 1999-04-05 | 2000-12-19 | Ruminooba Seiko:Kk | 表示装置 |
JP2002313122A (ja) * | 2001-04-02 | 2002-10-25 | Samsung Electronics Co Ltd | 光源装置、これを有するバックライトアセンブリ及び液晶表示装置 |
JP2006054126A (ja) * | 2004-08-12 | 2006-02-23 | Phoenix Denki Kk | 面光源装置 |
JP2006146115A (ja) * | 2004-11-22 | 2006-06-08 | Koditech Co Ltd | バックライト装置用光励起拡散シートおよびこれを用いた液晶表示用バックライト装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8202778A (nl) * | 1982-07-09 | 1984-02-01 | Philips Nv | Lagedrukkwikdampontladingslamp. |
US4678285A (en) * | 1984-01-13 | 1987-07-07 | Ricoh Company, Ltd. | Liquid crystal color display device |
US4772885A (en) * | 1984-11-22 | 1988-09-20 | Ricoh Company, Ltd. | Liquid crystal color display device |
US4822144A (en) * | 1986-12-24 | 1989-04-18 | U.S. Philips Corporation | Electro-optic color display including luminescent layer and interference filter |
JPH0243516A (ja) * | 1988-08-03 | 1990-02-14 | Pioneer Electron Corp | 液晶表示装置 |
US5666174A (en) * | 1995-08-11 | 1997-09-09 | Cupolo, Iii; Anthony M. | Emissive liquid crystal display with liquid crystal between radiation source and phosphor layer |
KR20010042923A (ko) * | 1999-02-24 | 2001-05-25 | 요트.게.아. 롤페즈 | 광유도부를 포함하는 디스플레이 장치 |
US6348763B1 (en) * | 2000-05-03 | 2002-02-19 | General Electric Company | Fluorescent lamp luminaire system |
JP2002279816A (ja) | 2001-03-15 | 2002-09-27 | Matsushita Electric Ind Co Ltd | 照明装置 |
US6527414B2 (en) * | 2001-03-29 | 2003-03-04 | Lg.Philips Lcd Co., Ltd | Backlight device |
US6917396B2 (en) * | 2001-06-01 | 2005-07-12 | Daicel Chemical Industries, Ltd. | Light diffusion film, plane light source device and liquid crystal display apparatus for enhancing a constant luminance and diffusing a light |
US7314652B2 (en) * | 2003-02-28 | 2008-01-01 | General Electric Company | Diffuser for flat panel display |
KR20040090667A (ko) * | 2003-04-18 | 2004-10-26 | 삼성전기주식회사 | 디스플레이용 라이트 유닛 |
US7557876B2 (en) | 2003-07-25 | 2009-07-07 | Nitto Denko Corporation | Anisotropic fluorescent thin crystal film and backlight system and liquid crystal display incorporating the same |
-
2006
- 2006-06-13 KR KR1020060052958A patent/KR101292583B1/ko active Active
- 2006-12-11 US US11/636,579 patent/US7520653B2/en not_active Expired - Fee Related
- 2006-12-14 CN CNB2006101623575A patent/CN100565296C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000352947A (ja) * | 1999-04-05 | 2000-12-19 | Ruminooba Seiko:Kk | 表示装置 |
JP2002313122A (ja) * | 2001-04-02 | 2002-10-25 | Samsung Electronics Co Ltd | 光源装置、これを有するバックライトアセンブリ及び液晶表示装置 |
JP2006054126A (ja) * | 2004-08-12 | 2006-02-23 | Phoenix Denki Kk | 面光源装置 |
JP2006146115A (ja) * | 2004-11-22 | 2006-06-08 | Koditech Co Ltd | バックライト装置用光励起拡散シートおよびこれを用いた液晶表示用バックライト装置 |
Also Published As
Publication number | Publication date |
---|---|
US20070285945A1 (en) | 2007-12-13 |
KR20070118796A (ko) | 2007-12-18 |
CN100565296C (zh) | 2009-12-02 |
CN101089695A (zh) | 2007-12-19 |
US7520653B2 (en) | 2009-04-21 |
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