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GB2539190B - An LED light bulb - Google Patents

An LED light bulb Download PDF

Info

Publication number
GB2539190B
GB2539190B GB1509742.1A GB201509742A GB2539190B GB 2539190 B GB2539190 B GB 2539190B GB 201509742 A GB201509742 A GB 201509742A GB 2539190 B GB2539190 B GB 2539190B
Authority
GB
United Kingdom
Prior art keywords
led light
light bulb
bulb
led
light
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 - Fee Related
Application number
GB1509742.1A
Other versions
GB201509742D0 (en
GB2539190A (en
Inventor
Ping Lai Chung
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.)
GRAPHENE LIGHTING PLC
Original Assignee
GRAPHENE LIGHTING PLC
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 GRAPHENE LIGHTING PLC filed Critical GRAPHENE LIGHTING PLC
Priority to GB1509742.1A priority Critical patent/GB2539190B/en
Publication of GB201509742D0 publication Critical patent/GB201509742D0/en
Publication of GB2539190A publication Critical patent/GB2539190A/en
Application granted granted Critical
Publication of GB2539190B publication Critical patent/GB2539190B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20Light sources comprising attachment means
    • F21K9/23Retrofit 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
    • F21K9/232Retrofit 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/61Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F21V23/006Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/502Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/506Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
GB1509742.1A 2015-06-05 2015-06-05 An LED light bulb Expired - Fee Related GB2539190B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1509742.1A GB2539190B (en) 2015-06-05 2015-06-05 An LED light bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1509742.1A GB2539190B (en) 2015-06-05 2015-06-05 An LED light bulb

Publications (3)

Publication Number Publication Date
GB201509742D0 GB201509742D0 (en) 2015-07-22
GB2539190A GB2539190A (en) 2016-12-14
GB2539190B true GB2539190B (en) 2021-02-03

Family

ID=53784980

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1509742.1A Expired - Fee Related GB2539190B (en) 2015-06-05 2015-06-05 An LED light bulb

Country Status (1)

Country Link
GB (1) GB2539190B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3619460B1 (en) * 2017-05-02 2021-03-24 Signify Holding B.V. A lighting device and a luminaire
EP3561367B1 (en) * 2018-04-23 2020-12-02 Xiamen Eco Lighting Co., Ltd. Light apparatus with enlightened pattern
JP6936418B2 (en) 2018-07-16 2021-09-15 シグニファイ ホールディング ビー ヴィSignify Holding B.V. LED filament lamp
CN109630921A (en) * 2018-12-19 2019-04-16 浙江亿米光电科技有限公司 A kind of graphene coated flexible filament substrate in back and its preparation process
WO2021063889A1 (en) * 2019-10-03 2021-04-08 Signify Holding B.V. Led filament lighting device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013086694A1 (en) * 2011-12-14 2013-06-20 GE Lighting Solutions, LLC Side-emitting guidepipe technology on led lamp to make filament effect
WO2014033997A1 (en) * 2012-08-30 2014-03-06 パナソニック株式会社 Bulb-type lamp

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013086694A1 (en) * 2011-12-14 2013-06-20 GE Lighting Solutions, LLC Side-emitting guidepipe technology on led lamp to make filament effect
WO2014033997A1 (en) * 2012-08-30 2014-03-06 パナソニック株式会社 Bulb-type lamp

Also Published As

Publication number Publication date
GB201509742D0 (en) 2015-07-22
GB2539190A (en) 2016-12-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20210503