TW200736730A - Multi-colored LED array with improved color uniformity - Google Patents

Multi-colored LED array with improved color uniformity

Info

Publication number
TW200736730A
TW200736730A TW096106572A TW96106572A TW200736730A TW 200736730 A TW200736730 A TW 200736730A TW 096106572 A TW096106572 A TW 096106572A TW 96106572 A TW96106572 A TW 96106572A TW 200736730 A TW200736730 A TW 200736730A
Authority
TW
Taiwan
Prior art keywords
clusters
color uniformity
array
green
red
Prior art date
Application number
TW096106572A
Other languages
English (en)
Inventor
Martijn Henri Richard Lankhorst
Robert Frans Maria Hendriks
Original Assignee
Philips Lumileds Lighting Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Lumileds Lighting Co filed Critical Philips Lumileds Lighting Co
Publication of TW200736730A publication Critical patent/TW200736730A/zh

Links

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
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity

Landscapes

  • 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)
  • Liquid Crystal (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
TW096106572A 2006-02-24 2007-02-26 Multi-colored LED array with improved color uniformity TW200736730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/361,109 US20070200121A1 (en) 2006-02-24 2006-02-24 Multi-colored LED array with improved color uniformity

Publications (1)

Publication Number Publication Date
TW200736730A true TW200736730A (en) 2007-10-01

Family

ID=38123758

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096106572A TW200736730A (en) 2006-02-24 2007-02-26 Multi-colored LED array with improved color uniformity

Country Status (6)

Country Link
US (1) US20070200121A1 (zh)
EP (1) EP1989588A1 (zh)
JP (1) JP2007227389A (zh)
CN (1) CN101390004A (zh)
TW (1) TW200736730A (zh)
WO (1) WO2007096817A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100691191B1 (ko) * 2005-07-15 2007-03-09 삼성전기주식회사 Ｌｅｄ를 이용한 면광원 및 이를 구비하는 ｌｃｄ 백라이트유닛
JP4857945B2 (ja) * 2006-06-21 2012-01-18 ソニー株式会社 面状光源装置及び液晶表示装置組立体
TWI336854B (en) * 2006-12-29 2011-02-01 Ibm Video-based biometric signature data collecting method and apparatus
EP2974754B1 (en) 2007-02-09 2018-11-21 KCI Licensing, Inc. System for managing reduced pressure at a tissue site
KR101380226B1 (ko) * 2007-07-05 2014-04-02 엘지디스플레이 주식회사 3차원 영상구현 액정표시장치
JP2009139930A (ja) * 2007-11-13 2009-06-25 Mitsumi Electric Co Ltd バックライト装置及びこれを用いた液晶表示装置
JP5000479B2 (ja) * 2007-12-27 2012-08-15 シャープ株式会社 面光源、表示装置及びその製造方法
CN102022628B (zh) * 2009-09-21 2012-07-18 高基贸易股份有限公司 发光二极管照明装置
TWM388013U (en) * 2010-02-09 2010-09-01 Power Digital Communications Co Ltd Multi-directional lighting for a backlight board
JP2011221180A (ja) * 2010-04-07 2011-11-04 Canon Inc 表示装置
CN101782204A (zh) * 2010-04-21 2010-07-21 广东昭信光电科技有限公司 一种光源倒置且使用自由曲面反射器的led背光结构
CN101956935A (zh) 2010-07-30 2011-01-26 深圳市华星光电技术有限公司 背光模组以及液晶显示装置
JP5725987B2 (ja) * 2011-06-13 2015-05-27 キヤノン株式会社 光源装置
CN102831842A (zh) * 2012-08-17 2012-12-19 青岛海信电器股份有限公司 一种背光源、显示装置及3d电视
US9736895B1 (en) 2013-10-03 2017-08-15 Ketra, Inc. Color mixing optics for LED illumination device
WO2017107097A1 (en) * 2015-12-23 2017-06-29 Goertek.Inc Micro-led transfer method and manufacturing method
CN107768526B (zh) * 2016-08-22 2021-06-01 纳晶科技股份有限公司 量子点电致发光器件
US10241253B2 (en) * 2017-05-11 2019-03-26 Glo Ab Light bar containing symmetric LED placement and method of making thereof
CN107680035B (zh) * 2017-09-29 2021-08-17 广东中星微电子有限公司 一种参数标定方法和装置、服务器及可读存储介质
JP6648317B1 (ja) * 2019-01-18 2020-02-14 タカラ株式会社 光源
CN111063282A (zh) * 2019-11-27 2020-04-24 武汉华星光电半导体显示技术有限公司 显示面板的测试电路及oled显示器
US11933479B1 (en) * 2023-05-31 2024-03-19 Insight Lighting, Inc. Arranging LED clusters in a luminaire light fixture
CN117031830B (zh) * 2023-09-08 2024-09-20 惠科股份有限公司 液晶显示单元及液晶显示模组

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001313172A (ja) * 2000-02-25 2001-11-09 Seiko Epson Corp 有機エレクトロルミネッセンス白色光源、及びその製造方法
US7320531B2 (en) * 2003-03-28 2008-01-22 Philips Lumileds Lighting Company, Llc Multi-colored LED array with improved brightness profile and color uniformity
US7241030B2 (en) * 2004-07-30 2007-07-10 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Illumination apparatus and method
KR100708147B1 (ko) * 2005-03-14 2007-04-16 삼성전자주식회사 발광소자 클러스터 및 이를 채용한 직하발광형 백라이트유닛 및 액정표시장치
JP2006331839A (ja) * 2005-05-26 2006-12-07 Chi Mei Optoelectronics Corp 発光ダイオードアレイと直下型バックライトモジュール
KR100780198B1 (ko) * 2005-07-11 2007-11-27 삼성전기주식회사 색 얼룩 특성이 개선된 ｌｅｄ 면 광원 및 이를 구비하는ｌｃｄ 백라이트 유닛
KR101189085B1 (ko) * 2005-07-14 2012-11-09 삼성디스플레이 주식회사 백라이트 유닛과 이를 포함하는 액정표시장치

Also Published As

Publication number Publication date
JP2007227389A (ja) 2007-09-06
CN101390004A (zh) 2009-03-18
EP1989588A1 (en) 2008-11-12
US20070200121A1 (en) 2007-08-30
WO2007096817A1 (en) 2007-08-30

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