GB2571876A - Lighting unit - Google Patents

Lighting unit Download PDF

Info

Publication number
GB2571876A
GB2571876A GB1908668.5A GB201908668A GB2571876A GB 2571876 A GB2571876 A GB 2571876A GB 201908668 A GB201908668 A GB 201908668A GB 2571876 A GB2571876 A GB 2571876A
Authority
GB
United Kingdom
Prior art keywords
lens
light source
lighting assembly
led light
led
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.)
Withdrawn
Application number
GB1908668.5A
Other versions
GB201908668D0 (en
Inventor
Trundle Robert
Crute Adrian
Patrick O'kell Sean
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.)
Saf T Glo Ltd
Original Assignee
Saf T Glo 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
Priority claimed from GBGB1619563.8A external-priority patent/GB201619563D0/en
Priority claimed from GBGB1619564.6A external-priority patent/GB201619564D0/en
Priority claimed from GBGB1619567.9A external-priority patent/GB201619567D0/en
Priority claimed from GBGB1619566.1A external-priority patent/GB201619566D0/en
Application filed by Saf T Glo Ltd filed Critical Saf T Glo Ltd
Publication of GB201908668D0 publication Critical patent/GB201908668D0/en
Publication of GB2571876A publication Critical patent/GB2571876A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
    • B60Q3/40—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types
    • B60Q3/41—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors specially adapted for specific vehicle types for mass transit vehicles, e.g. buses
    • B60Q3/44—Spotlighting, e.g. reading lamps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D11/00—Passenger or crew accommodation; Flight-deck installations not otherwise provided for
    • B64D2011/0053—Cabin passenger reading lights
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D2203/00—Aircraft or airfield lights using LEDs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/30—Use or application of lighting devices on or in particular types of vehicles for aircraft
    • 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]
    • 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
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

An LED lighting assembly(1)is provided comprising a cassette (2), a lens, a printed circuit board (6) having at least one LED light source mounted thereon wherein the lighting assembly comprises a collimator (12) provided between the LED light source and the lens, the collimator (12) comprising an optical cavity in the form of a linear mixing chamber and wherein the or each wall (14) of the mixing chamber comprises a reflective surface. A diffuse reflector film may be provided. The lens may comprise a lens assembly (40) which may be a focusing lens assembly. In some embodiments an LED lighting assembly is provided comprising a cassette(2), a lens, a printed circuit board(6)having at least one LED light source mounted thereon wherein the lighting assembly comprises a light output from the or each LED light source and wherein the light output is arranged to pass through a bevelled aperture (32).
GB1908668.5A 2016-11-18 2017-11-16 Lighting unit Withdrawn GB2571876A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB1619563.8A GB201619563D0 (en) 2016-11-18 2016-11-18 Lighting Unit
GBGB1619564.6A GB201619564D0 (en) 2016-11-18 2016-11-18 Lighting Unit
GBGB1619567.9A GB201619567D0 (en) 2016-11-18 2016-11-18 Lighting unit
GBGB1619566.1A GB201619566D0 (en) 2016-11-18 2016-11-18 Lighting unit
GB2018091899 2017-11-16

Publications (2)

Publication Number Publication Date
GB201908668D0 GB201908668D0 (en) 2019-07-31
GB2571876A true GB2571876A (en) 2019-09-11

Family

ID=67432234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1908668.5A Withdrawn GB2571876A (en) 2016-11-18 2017-11-16 Lighting unit

Country Status (1)

Country Link
GB (1) GB2571876A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080074889A1 (en) * 2006-09-25 2008-03-27 B/E Aerospace, Inc. Led dome light
US20090103296A1 (en) * 2007-10-17 2009-04-23 Xicato, Inc. Illumination Device with Light Emitting Diodes
US20090121238A1 (en) * 2007-11-08 2009-05-14 John Patrick Peck Double collimator led color mixing system
WO2012032455A1 (en) * 2010-09-10 2012-03-15 Koninklijke Philips Electronics N.V. Arrangement for spot illumination
WO2016162694A1 (en) * 2015-04-10 2016-10-13 Saf-T-Glo Limited Lighting unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080074889A1 (en) * 2006-09-25 2008-03-27 B/E Aerospace, Inc. Led dome light
US20090103296A1 (en) * 2007-10-17 2009-04-23 Xicato, Inc. Illumination Device with Light Emitting Diodes
US20090121238A1 (en) * 2007-11-08 2009-05-14 John Patrick Peck Double collimator led color mixing system
WO2012032455A1 (en) * 2010-09-10 2012-03-15 Koninklijke Philips Electronics N.V. Arrangement for spot illumination
WO2016162694A1 (en) * 2015-04-10 2016-10-13 Saf-T-Glo Limited Lighting unit

Also Published As

Publication number Publication date
GB201908668D0 (en) 2019-07-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)