CA2942044C - Heavily phosphor loaded led package - Google Patents

Heavily phosphor loaded led package Download PDF

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Publication number
CA2942044C
CA2942044C CA2942044A CA2942044A CA2942044C CA 2942044 C CA2942044 C CA 2942044C CA 2942044 A CA2942044 A CA 2942044A CA 2942044 A CA2942044 A CA 2942044A CA 2942044 C CA2942044 C CA 2942044C
Authority
CA
Canada
Prior art keywords
phosphor
silicone
led
overlayer
blend
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.)
Active
Application number
CA2942044A
Other languages
English (en)
French (fr)
Other versions
CA2942044A1 (en
Inventor
Ashfaqul Islam Chowdhury
Gary Robert Allen
Dengke Cai
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.)
Current Lighting Solutions LLC
Original Assignee
Current Lighting Solutions LLC
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=52596638&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2942044(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Current Lighting Solutions LLC filed Critical Current Lighting Solutions LLC
Publication of CA2942044A1 publication Critical patent/CA2942044A1/en
Application granted granted Critical
Publication of CA2942044C publication Critical patent/CA2942044C/en
Active legal-status Critical Current
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Classifications

    • 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
    • H10H20/8513—Wavelength conversion materials having two or more 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
    • C09K11/61—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
    • C09K11/617—Silicates
    • 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
    • H10H20/81—Bodies
    • H10H20/811—Bodies having quantum effect structures or superlattices, e.g. tunnel junctions
    • 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
    • H10H20/81—Bodies
    • H10H20/822—Materials of the light-emitting regions
    • H10H20/824—Materials of the light-emitting regions comprising only Group III-V materials, e.g. GaP
    • 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
    • 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
    • H10H20/8515—Wavelength conversion means not being in contact with the bodies
    • 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
    • H10H20/852—Encapsulations
    • H10H20/854—Encapsulations characterised by their material, e.g. epoxy or silicone resins
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/22—Secondary treatment of printed circuits
    • H05K3/28—Applying non-metallic protective coatings
    • H05K3/284—Applying non-metallic protective coatings for encapsulating mounted components
    • 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]
    • H10H20/01—Manufacture or treatment
    • H10H20/036—Manufacture or treatment of packages
    • H10H20/0361—Manufacture or treatment of packages of wavelength conversion means
    • 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]
    • H10H20/01—Manufacture or treatment
    • H10H20/036—Manufacture or treatment of packages
    • H10H20/0362—Manufacture or treatment of packages of encapsulations
    • 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
    • H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
    • 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
    • H10H20/8506—Containers
    • 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
    • H10H20/8514—Wavelength conversion means characterised by their shape, e.g. plate or foil
    • 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
    • H10H20/8516—Wavelength conversion means having a non-uniform spatial arrangement or non-uniform concentration, e.g. patterned wavelength conversion layer or wavelength conversion layer with a concentration gradient
    • H10W74/121—
    • H10W74/47—
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Led Device Packages (AREA)
  • Luminescent Compositions (AREA)
  • Optical Filters (AREA)
  • Led Devices (AREA)
CA2942044A 2014-03-18 2015-02-23 Heavily phosphor loaded led package Active CA2942044C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/217,831 US9680067B2 (en) 2014-03-18 2014-03-18 Heavily phosphor loaded LED packages having higher stability
US14/217,831 2014-03-18
PCT/US2015/017010 WO2015142478A1 (en) 2014-03-18 2015-02-23 Heavily phosphor loaded led package

Publications (2)

Publication Number Publication Date
CA2942044A1 CA2942044A1 (en) 2015-09-24
CA2942044C true CA2942044C (en) 2023-01-03

Family

ID=52596638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2942044A Active CA2942044C (en) 2014-03-18 2015-02-23 Heavily phosphor loaded led package

Country Status (10)

Country Link
US (1) US9680067B2 (enExample)
EP (2) EP3120394B1 (enExample)
JP (1) JP6855245B2 (enExample)
KR (2) KR20160133528A (enExample)
CN (2) CN113675322A (enExample)
CA (1) CA2942044C (enExample)
MX (1) MX2016012013A (enExample)
MY (1) MY178038A (enExample)
TW (1) TWI657600B (enExample)
WO (1) WO2015142478A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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US9680067B2 (en) 2014-03-18 2017-06-13 GE Lighting Solutions, LLC Heavily phosphor loaded LED packages having higher stability
WO2018160743A1 (en) * 2017-02-28 2018-09-07 Quarkstar Llc Lifetime color stabilization of color-shifting artificial light sources
RU2666578C1 (ru) * 2017-08-08 2018-09-11 Акционерное общество "Центральный научно-исследовательский институт "Электрон" Светоизлучающий диод
WO2019155076A1 (en) * 2018-02-12 2019-08-15 Signify Holding B.V. Led light source with fluoride phosphor
US11056625B2 (en) * 2018-02-19 2021-07-06 Creeled, Inc. Clear coating for light emitting device exterior having chemical resistance and related methods
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WO2021021984A1 (en) * 2019-07-30 2021-02-04 Current Lighting Solutions, Llc Stable phosphor converted led and systems using the same
GB2590450B (en) * 2019-12-18 2022-01-05 Plessey Semiconductors Ltd Light emitting diode precursor

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Also Published As

Publication number Publication date
JP6855245B2 (ja) 2021-04-07
CA2942044A1 (en) 2015-09-24
WO2015142478A1 (en) 2015-09-24
MY178038A (en) 2020-09-30
EP4332196A2 (en) 2024-03-06
EP3120394A1 (en) 2017-01-25
JP2017511599A (ja) 2017-04-20
US20150270451A1 (en) 2015-09-24
CN113675322A (zh) 2021-11-19
KR20220045236A (ko) 2022-04-12
EP4332196A3 (en) 2024-06-05
KR20240023202A (ko) 2024-02-20
US9680067B2 (en) 2017-06-13
MX2016012013A (es) 2016-12-05
CN106463584A (zh) 2017-02-22
TW201547060A (zh) 2015-12-16
KR20160133528A (ko) 2016-11-22
EP3120394B1 (en) 2023-12-20
TWI657600B (zh) 2019-04-21

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