WO2022042431A3 - Led filament and light bulb using led filament - Google Patents

Led filament and light bulb using led filament Download PDF

Info

Publication number
WO2022042431A3
WO2022042431A3 PCT/CN2021/113684 CN2021113684W WO2022042431A3 WO 2022042431 A3 WO2022042431 A3 WO 2022042431A3 CN 2021113684 W CN2021113684 W CN 2021113684W WO 2022042431 A3 WO2022042431 A3 WO 2022042431A3
Authority
WO
WIPO (PCT)
Prior art keywords
layer
led
led filament
base layer
led section
Prior art date
Application number
PCT/CN2021/113684
Other languages
French (fr)
Other versions
WO2022042431A2 (en
Inventor
Aiming Xiong
Lin Zhou
Mingbin WANG
Zhenkun CHEN
Zhishan YU
Tao Jiang
Yuexing LI
Hayato UNAGIIKE
Yukihiro Saito
Zhichao Zhang
Original Assignee
Jiaxing Super Lighting Electric Appliance Co., 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 Jiaxing Super Lighting Electric Appliance Co., Ltd filed Critical Jiaxing Super Lighting Electric Appliance Co., Ltd
Priority to EP21773685.9A priority Critical patent/EP4200907A2/en
Publication of WO2022042431A2 publication Critical patent/WO2022042431A2/en
Publication of WO2022042431A3 publication Critical patent/WO2022042431A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
    • H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
    • H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
    • H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
    • H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/235—Details of bases or caps, i.e. the parts that connect the light source to a fitting; Arrangement of components within bases or caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/237—Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
    • H01L33/50—Wavelength conversion elements
    • H01L33/505—Wavelength conversion elements characterised by the shape, e.g. plate or foil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

This application relates to the field of lighting, and discloses an LED filament including: at least one LED section, each LED section including at least two LED chips, adjacent LED chips being electrically connected to each other; electrodes, electrically connected to the LED section; and a light conversion layer, wrapping the LED section and parts of the electrodes, and including a top layer and a carrying layer, the carrying layer including a base layer and a transparent layer, the base layer including an upper surface and a lower surface opposite to each other, the upper surface of the base layer being in contact with a part of the top layer, and a part of the lower surface of the base layer being in contact with the transparent layer. This application has the characteristics of uniform light emission and good heat dissipation effect.
PCT/CN2021/113684 2020-08-24 2021-08-20 Led filament and light bulb using led filament WO2022042431A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21773685.9A EP4200907A2 (en) 2020-08-24 2021-08-20 Led filament and light bulb using led filament

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
CN202010856691.0 2020-08-24
CN202010856691 2020-08-24
CN202010904065 2020-09-01
CN202010904065.4 2020-09-01
CN202010912636 2020-09-03
CN202010912636.9 2020-09-03
CN202011313059.8 2020-11-20
CN202011313059 2020-11-20
CN202110108853.7 2021-01-27
CN202110108853 2021-01-27
CN202110779145.6 2021-07-09
CN202110779145 2021-07-09

Publications (2)

Publication Number Publication Date
WO2022042431A2 WO2022042431A2 (en) 2022-03-03
WO2022042431A3 true WO2022042431A3 (en) 2022-06-09

Family

ID=77897422

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2021/113685 WO2022042432A1 (en) 2020-08-24 2021-08-20 Light emitting diode filament, and light bulb using light emitting diode filament
PCT/CN2021/113684 WO2022042431A2 (en) 2020-08-24 2021-08-20 Led filament and light bulb using led filament

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/113685 WO2022042432A1 (en) 2020-08-24 2021-08-20 Light emitting diode filament, and light bulb using light emitting diode filament

Country Status (4)

Country Link
EP (1) EP4200907A2 (en)
JP (1) JP3242967U (en)
CN (5) CN114087545A (en)
WO (2) WO2022042432A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220078892A1 (en) * 2014-09-28 2022-03-10 Zhejiang Super Lighting Electric Appliance Co.,Ltd Led filament and led light bulb
WO2024067778A1 (en) * 2022-09-30 2024-04-04 嘉兴山蒲照明电器有限公司 Led filament and bulb applying led filament

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170084809A1 (en) * 2015-08-17 2017-03-23 Zhejiang Super Lighting Electric Appliance Co., Ltd. Led filament module and led light bulb
WO2017186150A1 (en) * 2016-04-27 2017-11-02 Jiaxing Super Lighting Electric Appliance Co., Ltd Led light bulb
US20180119892A1 (en) * 2014-09-28 2018-05-03 Zhejiang Super Lighting Electric Appliance Co., Ltd. Led bulb lamp
US20190368666A1 (en) * 2014-09-28 2019-12-05 Zhejiang Super Lighting Electric Appliance Co., Ltd Led light bulb with symmetrical filament
CN111550687A (en) * 2016-04-27 2020-08-18 嘉兴山蒲照明电器有限公司 LED bulb lamp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10655792B2 (en) * 2014-09-28 2020-05-19 Zhejiang Super Lighting Electric Appliance Co., Ltd. LED bulb lamp
GB2543139B (en) 2015-08-17 2018-05-23 Jiaxing Super Lighting Electric Appliance Co Ltd LED light bulb and LED filament thereof
CN105789195B (en) * 2016-04-25 2018-06-05 李正豪 A kind of 360 degree luminous LED components and LED light source
DE102016109665A1 (en) * 2016-05-25 2017-11-30 Osram Opto Semiconductors Gmbh FILAMENT AND LIGHTING DEVICE
US10535805B2 (en) * 2017-01-13 2020-01-14 Intematix Corporation Narrow-band red phosphors for LED lamps

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180119892A1 (en) * 2014-09-28 2018-05-03 Zhejiang Super Lighting Electric Appliance Co., Ltd. Led bulb lamp
US20190368666A1 (en) * 2014-09-28 2019-12-05 Zhejiang Super Lighting Electric Appliance Co., Ltd Led light bulb with symmetrical filament
US20170084809A1 (en) * 2015-08-17 2017-03-23 Zhejiang Super Lighting Electric Appliance Co., Ltd. Led filament module and led light bulb
WO2017186150A1 (en) * 2016-04-27 2017-11-02 Jiaxing Super Lighting Electric Appliance Co., Ltd Led light bulb
CN111550687A (en) * 2016-04-27 2020-08-18 嘉兴山蒲照明电器有限公司 LED bulb lamp

Also Published As

Publication number Publication date
CN216619385U (en) 2022-05-27
CN114087545A (en) 2022-02-25
JP3242967U (en) 2023-07-27
CN219283100U (en) 2023-06-30
CN219775501U (en) 2023-09-29
CN219283099U (en) 2023-06-30
WO2022042431A2 (en) 2022-03-03
EP4200907A2 (en) 2023-06-28
WO2022042432A1 (en) 2022-03-03

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