KR20080110014A - 백라이트 유닛 및 이를 구비한 액정표시장치 - Google Patents
백라이트 유닛 및 이를 구비한 액정표시장치 Download PDFInfo
- Publication number
- KR20080110014A KR20080110014A KR1020070058251A KR20070058251A KR20080110014A KR 20080110014 A KR20080110014 A KR 20080110014A KR 1020070058251 A KR1020070058251 A KR 1020070058251A KR 20070058251 A KR20070058251 A KR 20070058251A KR 20080110014 A KR20080110014 A KR 20080110014A
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- KR
- South Korea
- Prior art keywords
- reflector
- circuit board
- printed circuit
- led chips
- liquid crystal
- 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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- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- 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
- 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
-
- 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
-
- 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
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
-
- 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
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (10)
- 다수개의 LED칩;상기 다수개의 LED칩이 배치되고, 전원을 공급할 수 있도록 전원패턴들이 형성된 인쇄회로기판;상기 인쇄회로기판 상부에 배치되어 LED칩들로부터 발생되는 광을 집광 및 확산하는 광학시트류; 및상기 인쇄회로기판 상에 배치되고, LED칩들로부터 발생되는 광을 반사시키는 반사부와, 상기 광학시트류를 지지하는 지지부로 구성된 반사판을 포함하는 백라이트 유닛.
- 제 1 항에 있어서, 상기 반사판의 지지부는 상기 반사판의 반사부와 일체로 형성된 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서, 상기 반사판의 반사부는 상기 인쇄회로기판의 LED칩들을 외부로 노출시키기 위한 다수개의 제 1 홀과, 상기 반사부를 인쇄회로기판 상에 고정하기 위한 다수개의 제 2 홀이 형성된 것을 특징으로 하는 백라이트 유닛.
- 제 1 항에 있어서, 상기 반사판의 지지부는 상기 반사부를 중심으로 양측 가장자리 또는 상기 반사부를 중심으로 둘레를 따라 일체로 형성된 것을 특징으로 하 는 백라이트 유닛.
- 제 1 항에 있어서, 상기 LED칩은 적(R), 녹(G), 청(B)색 LED들 또는 백(W)색 LED들로 구성된 것을 특징으로 하는 백라이트 유닛.
- 액정표시패널;상기 액정표시패널에 광을 공급하도록 다수개의 LED칩, 상기 다수개의 LED칩이 배치되고, 전원을 공급할 수 있도록 전원패턴들이 형성된 인쇄회로기판, 상기 인쇄회로기판 상부에 배치되어 LED칩들로부터 발생되는 광을 집광 및 확산하는 광학시트류; 및 상기 인쇄회로기판 상에 배치되고, LED칩들로부터 발생되는 광을 반사시키는 반사부와, 상기 광학시트류를 지지하는 지지부로 구성된 반사판을 포함하는 백라이트 유닛; 및상기 백라이트 유닛을 수납하는 하부커버를 포함하는 액정표시장치.
- 제 6 항에 있어서, 상기 반사판의 지지부는 상기 반사판의 반사부와 일체로 형성된 것을 특징으로 하는 액정표시장치.
- 제 6 항에 있어서, 상기 반사판의 반사부는 상기 인쇄회로기판의 LED칩들을 외부로 노출시키기 위한 다수개의 제 1 홀과, 상기 반사부를 인쇄회로기판 상에 고정하기 위한 다수개의 제 2 홀이 형성된 것을 특징으로 하는 액정표시장치.
- 제 6 항에 있어서, 상기 반사판의 지지부는 상기 반사부를 중심으로 양측 가장자리 또는 상기 반사부를 중심으로 둘레를 따라 일체로 형성된 것을 특징으로 하는 액정표시장치.
- 제 6 항에 있어서, 상기 반사판의 지지부와 대응되는 하부커버의 내측 면에는 상기 지지부의 고정을 위한 다수개의 고정부가 형성된 것을 특징으로 하는 액정표시장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070058251A KR101363673B1 (ko) | 2007-06-14 | 2007-06-14 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
US12/138,798 US8162500B2 (en) | 2007-06-14 | 2008-06-13 | Backlight unit and liquid crystal display device having the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070058251A KR101363673B1 (ko) | 2007-06-14 | 2007-06-14 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080110014A true KR20080110014A (ko) | 2008-12-18 |
KR101363673B1 KR101363673B1 (ko) | 2014-02-17 |
Family
ID=40132116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070058251A Expired - Fee Related KR101363673B1 (ko) | 2007-06-14 | 2007-06-14 | 백라이트 유닛 및 이를 구비한 액정표시장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8162500B2 (ko) |
KR (1) | KR101363673B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9684111B2 (en) | 2014-12-03 | 2017-06-20 | Samsung Display Co., Ltd. | Display apparatus |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009024894A1 (de) * | 2009-06-15 | 2010-12-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Projektionsdisplay und dessen Verwendung |
EP3023835A1 (en) * | 2010-04-21 | 2016-05-25 | LG Electronics, Inc. | Display apparatus |
US20120092887A1 (en) * | 2010-10-15 | 2012-04-19 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and display apparatus |
CN101988663A (zh) * | 2010-10-15 | 2011-03-23 | 深圳市华星光电技术有限公司 | 背光模块及显示装置 |
FR2967329B1 (fr) * | 2010-11-10 | 2013-04-26 | Valeo Systemes Thermiques | Ecran d'affichage |
JP2012155033A (ja) * | 2011-01-24 | 2012-08-16 | Panasonic Liquid Crystal Display Co Ltd | 液晶表示装置 |
US20120300456A1 (en) * | 2011-05-26 | 2012-11-29 | Phillips Iii William E | Reflectors optimized for led lighting fixture |
US9280180B2 (en) * | 2013-04-23 | 2016-03-08 | Dell Products L.P. | Information handling system display panel having offset supporting electronic components |
EP3540504B1 (en) * | 2016-11-14 | 2024-12-18 | Seoul Semiconductor Co., Ltd. | Display device |
DE102017003721A1 (de) | 2017-03-01 | 2018-09-06 | Docter Optics Se | Verfahren zum Herstellen eines Mikroprojektors für ein Projektionsdisplay |
US10274783B2 (en) | 2017-05-05 | 2019-04-30 | Pelka & Associates, Inc. | Direct-view LED backlight with gradient reflective layer |
DE102017004562A1 (de) | 2017-05-14 | 2018-11-15 | Docter Optics Se | Verfahren zum Herstellen eines Mikroprojektors und eines Projektionsdisplays |
DE102017009563A1 (de) | 2017-10-12 | 2019-04-18 | Docter Optics Se | Verfahren zurn Herstellen eines Mikroprojektors für ein Projektionsdisplay |
EP3963255A1 (en) * | 2019-04-30 | 2022-03-09 | Corning Incorporated | Backlight units having quantum dots |
DE102019130994B4 (de) | 2019-11-15 | 2021-09-09 | Docter Optics Se | Verfahren zum Herstellen eines Mikroprojektors, eines Projektionsdisplays, eines Fahrassistenzsystems und eines Fahrzeugs |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101201307B1 (ko) * | 2005-06-30 | 2012-11-14 | 엘지디스플레이 주식회사 | 백라이트유닛 |
US5779351A (en) * | 1995-05-02 | 1998-07-14 | Daktronics, Inc. | Matrix display with multiple pixel lens and multiple partial parabolic reflector surfaces |
US7108385B2 (en) * | 2003-08-29 | 2006-09-19 | Yin-Chun Huang | Illumination module of light emitting elements |
KR101035502B1 (ko) * | 2004-11-16 | 2011-05-20 | 엘지디스플레이 주식회사 | 발광다이오드를 이용한 액정표시장치모듈 |
JP4627657B2 (ja) * | 2004-12-28 | 2011-02-09 | シチズン電子株式会社 | 発光ダイオードを用いたlcdバックライト |
KR101189080B1 (ko) * | 2005-01-24 | 2012-11-09 | 삼성디스플레이 주식회사 | 반사판과 이를 포함하는 액정표시장치 |
TWI262342B (en) * | 2005-02-18 | 2006-09-21 | Au Optronics Corp | Device for fastening lighting unit in backlight module |
KR101134301B1 (ko) * | 2005-02-28 | 2012-04-13 | 엘지디스플레이 주식회사 | 엘이디 백라이트어셈블리 및 이를 이용한 액정표시장치모듈 |
US20060215075A1 (en) * | 2005-03-23 | 2006-09-28 | Chi-Jen Huang | Backlight Module of LCD Device |
US7374360B1 (en) * | 2005-04-11 | 2008-05-20 | Plastek Industries, Inc. | Applicator for personal care compositions |
KR101134302B1 (ko) * | 2005-06-30 | 2012-04-13 | 엘지디스플레이 주식회사 | 액정표시장치용 커버버툼 및 이를 이용한 발광다이오드백라이트어셈블리와 액정표시장치모듈 |
TWI333576B (en) * | 2005-08-17 | 2010-11-21 | Au Optronics Corp | Bottom lighting module |
KR101220204B1 (ko) * | 2005-12-28 | 2013-01-09 | 엘지디스플레이 주식회사 | 엘이디 백라이트어셈블리 및 이를 이용한 액정표시장치모듈 |
KR101222152B1 (ko) | 2006-02-06 | 2013-01-14 | 삼성디스플레이 주식회사 | 백라이트 어셈블리 및 이를 갖는 표시 장치 |
TWI353473B (en) | 2006-06-06 | 2011-12-01 | Au Optronics Corp | Backlight unit and liquid crystal display |
KR101239823B1 (ko) * | 2006-06-26 | 2013-03-06 | 엘지디스플레이 주식회사 | 액정표시장치용 백라이트 유닛 |
KR20080002003A (ko) * | 2006-06-30 | 2008-01-04 | 엘지.필립스 엘시디 주식회사 | 백라이트 유닛 |
US8651685B2 (en) * | 2007-03-16 | 2014-02-18 | Cree, Inc. | Apparatus and methods for backlight unit with vertical interior reflectors |
-
2007
- 2007-06-14 KR KR1020070058251A patent/KR101363673B1/ko not_active Expired - Fee Related
-
2008
- 2008-06-13 US US12/138,798 patent/US8162500B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9684111B2 (en) | 2014-12-03 | 2017-06-20 | Samsung Display Co., Ltd. | Display apparatus |
Also Published As
Publication number | Publication date |
---|---|
KR101363673B1 (ko) | 2014-02-17 |
US8162500B2 (en) | 2012-04-24 |
US20080310160A1 (en) | 2008-12-18 |
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