EP4777751A1 - Effiziente (filament) glühlampe mit optischem filter - Google Patents

Effiziente (filament) glühlampe mit optischem filter

Info

Publication number
EP4777751A1
EP4777751A1 EP24768011.9A EP24768011A EP4777751A1 EP 4777751 A1 EP4777751 A1 EP 4777751A1 EP 24768011 A EP24768011 A EP 24768011A EP 4777751 A1 EP4777751 A1 EP 4777751A1
Authority
EP
European Patent Office
Prior art keywords
light
light generating
optical filter
enclosure
generating devices
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
EP24768011.9A
Other languages
English (en)
French (fr)
Inventor
Martinus Arnoldus Cornelis HEIJMANS
Martinus Petrus Joseph PEETERS
Victoria Eugenia MUNTANER VALBUENA
Aldegonda Lucia WEIJERS
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 EP4777751A1 publication Critical patent/EP4777751A1/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
    • F21K9/20—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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
    • 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
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/20—Dichroic filters, i.e. devices operating on the principle of wave interference to pass specific ranges of wavelengths while cancelling others
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light
    • 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • 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)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP24768011.9A 2023-09-14 2024-09-03 Effiziente (filament) glühlampe mit optischem filter Pending EP4777751A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23197338 2023-09-14
PCT/EP2024/074512 WO2025056359A1 (en) 2023-09-14 2024-09-03 Efficient (filament) bulb with an optical filter

Publications (1)

Publication Number Publication Date
EP4777751A1 true EP4777751A1 (de) 2026-07-22

Family

ID=88068774

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24768011.9A Pending EP4777751A1 (de) 2023-09-14 2024-09-03 Effiziente (filament) glühlampe mit optischem filter

Country Status (3)

Country Link
EP (1) EP4777751A1 (de)
CN (1) CN121816478A (de)
WO (1) WO2025056359A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201243220A (en) 2011-03-17 2012-11-01 Rambus Inc Lighting assembly with adjustable light output
WO2019008092A1 (en) * 2017-07-07 2019-01-10 Philips Lighting Holding B.V. CONCENTRATING MODULE OF LIGHT
CN108758371A (zh) * 2018-06-14 2018-11-06 漳州立达信光电子科技有限公司 一种仿装饰型钨丝灯的led灯
US10950585B2 (en) * 2019-03-18 2021-03-16 Intematix Corporation Tunable LED-filaments and tunable LED-filament lamps
CN113661356B (zh) * 2019-04-09 2024-07-05 昕诺飞控股有限公司 发光设备
US20220397243A1 (en) * 2019-11-05 2022-12-15 Signify Holding B.V. A lifi device
WO2022253735A1 (en) * 2021-06-04 2022-12-08 Signify Holding B.V. Led filament for emitting directional light

Also Published As

Publication number Publication date
WO2025056359A1 (en) 2025-03-20
CN121816478A (zh) 2026-04-07

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