JP4191937B2 - 白色光源及びそれを用いた画像表示装置 - Google Patents

白色光源及びそれを用いた画像表示装置 Download PDF

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Publication number
JP4191937B2
JP4191937B2 JP2002039097A JP2002039097A JP4191937B2 JP 4191937 B2 JP4191937 B2 JP 4191937B2 JP 2002039097 A JP2002039097 A JP 2002039097A JP 2002039097 A JP2002039097 A JP 2002039097A JP 4191937 B2 JP4191937 B2 JP 4191937B2
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JP
Japan
Prior art keywords
light
phosphor
fluorescent
light source
light emitting
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 - Lifetime
Application number
JP2002039097A
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English (en)
Japanese (ja)
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JP2003243715A (ja
JP2003243715A5 (enExample
Inventor
正敏 椎木
正明 小松
暢一郎 岡▲崎▼
伸 今村
輝喜 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
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Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2002039097A priority Critical patent/JP4191937B2/ja
Priority to TW091103641A priority patent/TW536658B/zh
Priority to KR1020020010882A priority patent/KR20030069010A/ko
Priority to CNB021198268A priority patent/CN1313872C/zh
Priority to US10/096,574 priority patent/US6762551B2/en
Publication of JP2003243715A publication Critical patent/JP2003243715A/ja
Publication of JP2003243715A5 publication Critical patent/JP2003243715A5/ja
Application granted granted Critical
Publication of JP4191937B2 publication Critical patent/JP4191937B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • H10H20/851—Wavelength conversion means
    • H10H20/8511—Wavelength conversion means characterised by their material, e.g. binder
    • H10H20/8512—Wavelength conversion materials
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7728—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing europium
    • C09K11/7729—Chalcogenides
    • C09K11/7731—Chalcogenides with alkaline earth metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/54—Screens on or from which an image or pattern is formed, picked-up, converted, or stored; Luminescent coatings on vessels
    • H01J1/62—Luminescent screens; Selection of materials for luminescent coatings on vessels
    • H01J1/63—Luminescent screens; Selection of materials for luminescent coatings on vessels characterised by the luminescent material
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Luminescent Compositions (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Led Device Packages (AREA)
  • Liquid Crystal (AREA)
JP2002039097A 2002-02-15 2002-02-15 白色光源及びそれを用いた画像表示装置 Expired - Lifetime JP4191937B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2002039097A JP4191937B2 (ja) 2002-02-15 2002-02-15 白色光源及びそれを用いた画像表示装置
TW091103641A TW536658B (en) 2002-02-15 2002-02-27 White light source and display apparatus using the same
KR1020020010882A KR20030069010A (ko) 2002-02-15 2002-02-28 백색 광원 및 이를 이용한 화상 표시 장치
CNB021198268A CN1313872C (zh) 2002-02-15 2002-02-28 白色光源和使用白色光源的图像显示装置
US10/096,574 US6762551B2 (en) 2002-02-15 2002-03-14 White light source and display apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002039097A JP4191937B2 (ja) 2002-02-15 2002-02-15 白色光源及びそれを用いた画像表示装置

Publications (3)

Publication Number Publication Date
JP2003243715A JP2003243715A (ja) 2003-08-29
JP2003243715A5 JP2003243715A5 (enExample) 2005-08-25
JP4191937B2 true JP4191937B2 (ja) 2008-12-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002039097A Expired - Lifetime JP4191937B2 (ja) 2002-02-15 2002-02-15 白色光源及びそれを用いた画像表示装置

Country Status (5)

Country Link
US (1) US6762551B2 (enExample)
JP (1) JP4191937B2 (enExample)
KR (1) KR20030069010A (enExample)
CN (1) CN1313872C (enExample)
TW (1) TW536658B (enExample)

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Also Published As

Publication number Publication date
CN1438525A (zh) 2003-08-27
US20030155856A1 (en) 2003-08-21
JP2003243715A (ja) 2003-08-29
KR20030069010A (ko) 2003-08-25
TW536658B (en) 2003-06-11
US6762551B2 (en) 2004-07-13
CN1313872C (zh) 2007-05-02

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