EP4777752A1 - Led-glühlampe mit flammeneffekt - Google Patents

Led-glühlampe mit flammeneffekt

Info

Publication number
EP4777752A1
EP4777752A1 EP24768311.3A EP24768311A EP4777752A1 EP 4777752 A1 EP4777752 A1 EP 4777752A1 EP 24768311 A EP24768311 A EP 24768311A EP 4777752 A1 EP4777752 A1 EP 4777752A1
Authority
EP
European Patent Office
Prior art keywords
light
filament
light transmissive
envelope
led filament
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.)
Pending
Application number
EP24768311.3A
Other languages
English (en)
French (fr)
Inventor
Rifat Ata Mustafa Hikmet
Quinten Lennart Constant Stefan VAN WAGENBERG
Jacobus Petrus Johannes VAN OS
Ties Van Bommel
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.)
Signify Holding BV
Original Assignee
Signify Holding BV
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 Signify Holding BV filed Critical Signify Holding BV
Publication of EP4777752A1 publication Critical patent/EP4777752A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F21K9/66—Details of globes or covers forming part of the light source
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/20—Direct sintering or melting
    • B22F10/22—Direct deposition of molten metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
    • B22F12/50—Means for feeding of material, e.g. heads
    • B22F12/53—Nozzles
    • 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
    • F21K9/90—Methods of manufacture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00—Lighting devices or systems producing a varying lighting effect
    • F21S10/04—Lighting devices or systems producing a varying lighting effect simulating flames

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP24768311.3A 2023-09-12 2024-09-09 Led-glühlampe mit flammeneffekt Pending EP4777752A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23196820 2023-09-12
PCT/EP2024/075111 WO2025056458A1 (en) 2023-09-12 2024-09-09 A led filament lamp showing a flame effect

Publications (1)

Publication Number Publication Date
EP4777752A1 true EP4777752A1 (de) 2026-07-22

Family

ID=88018119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24768311.3A Pending EP4777752A1 (de) 2023-09-12 2024-09-09 Led-glühlampe mit flammeneffekt

Country Status (2)

Country Link
EP (1) EP4777752A1 (de)
WO (1) WO2025056458A1 (de)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5463447B2 (ja) 2008-01-18 2014-04-09 三洋電機株式会社 発光装置及びそれを備えた灯具
US20130088880A1 (en) 2011-10-11 2013-04-11 Cooler Master Co., Ltd. Led lighting device
CN203963593U (zh) * 2014-06-23 2014-11-26 鹤山市任挥岭灯饰企业有限公司 一种改进型led蜡烛灯
EP3344442B1 (de) 2015-09-04 2020-04-29 SABIC Global Technologies B.V. Pulverzusammensetzungen, verfahren zur herstellung von artikeln und beschichtungen aus den pulverzusammensetzungen und daraus hergestellte artikel
EP3775674B1 (de) * 2018-04-11 2023-09-27 Signify Holding B.V. Led-glühlampe in kerzenlichtoptik
JP6936418B2 (ja) 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フィラメントランプ
WO2020127163A1 (en) * 2018-12-21 2020-06-25 Signify Holding B.V. Filament lamp
CN211083687U (zh) * 2019-09-11 2020-07-24 李东磬 具稜镜结构的灯壳结构
US11879600B2 (en) 2019-11-18 2024-01-23 Signify Holding B.V. LED filament lamp
US11719401B1 (en) * 2022-12-06 2023-08-08 Sikai Chen LED candle flame light

Also Published As

Publication number Publication date
WO2025056458A1 (en) 2025-03-20

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