EP3690307A4 - Lighting device - Google Patents

Lighting device Download PDF

Info

Publication number
EP3690307A4
EP3690307A4 EP18860728.7A EP18860728A EP3690307A4 EP 3690307 A4 EP3690307 A4 EP 3690307A4 EP 18860728 A EP18860728 A EP 18860728A EP 3690307 A4 EP3690307 A4 EP 3690307A4
Authority
EP
European Patent Office
Prior art keywords
lighting device
lighting
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Withdrawn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
EP18860728.7A
Other languages
German (de)
French (fr)
Other versions
EP3690307A1 (en
Inventor
Nobuki Matsui
Yasuo Ohno
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.)
MinebeaMitsumi Inc
Original Assignee
MinebeaMitsumi Inc
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 MinebeaMitsumi Inc filed Critical MinebeaMitsumi Inc
Publication of EP3690307A1 publication Critical patent/EP3690307A1/en
Publication of EP3690307A4 publication Critical patent/EP3690307A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/043—Optical design with cylindrical surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • 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)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
EP18860728.7A 2017-09-29 2018-09-21 Lighting device Withdrawn EP3690307A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017191060A JP2019067605A (en) 2017-09-29 2017-09-29 Lighting device
PCT/JP2018/035157 WO2019065528A1 (en) 2017-09-29 2018-09-21 Lighting device

Publications (2)

Publication Number Publication Date
EP3690307A1 EP3690307A1 (en) 2020-08-05
EP3690307A4 true EP3690307A4 (en) 2021-05-26

Family

ID=65902849

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18860728.7A Withdrawn EP3690307A4 (en) 2017-09-29 2018-09-21 Lighting device

Country Status (3)

Country Link
EP (1) EP3690307A4 (en)
JP (1) JP2019067605A (en)
WO (1) WO2019065528A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285362B (en) * 2019-08-12 2021-11-02 中山市冠华照明灯饰有限公司 LED down lamp

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050073848A1 (en) * 2003-10-02 2005-04-07 King Leslie Charles Decorative luminaires
JP2008147044A (en) * 2006-12-11 2008-06-26 Ushio Spex Inc Adapter of unit type downlight
JP2010205660A (en) * 2009-03-05 2010-09-16 Toshiba Lighting & Technology Corp Lighting equipment
JP2012204199A (en) * 2011-03-25 2012-10-22 Toshiba Lighting & Technology Corp Lighting fixture
CN204693101U (en) * 2015-05-22 2015-10-07 潘能红 The LED of the convertible color that a kind of illumination is concentrated

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6238199B2 (en) * 2013-11-05 2017-11-29 パナソニックＩｐマネジメント株式会社 lighting equipment
JP2017092013A (en) 2015-11-02 2017-05-25 株式会社トレンタ Luminaire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050073848A1 (en) * 2003-10-02 2005-04-07 King Leslie Charles Decorative luminaires
JP2008147044A (en) * 2006-12-11 2008-06-26 Ushio Spex Inc Adapter of unit type downlight
JP2010205660A (en) * 2009-03-05 2010-09-16 Toshiba Lighting & Technology Corp Lighting equipment
JP2012204199A (en) * 2011-03-25 2012-10-22 Toshiba Lighting & Technology Corp Lighting fixture
CN204693101U (en) * 2015-05-22 2015-10-07 潘能红 The LED of the convertible color that a kind of illumination is concentrated

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019065528A1 *

Also Published As

Publication number Publication date
EP3690307A1 (en) 2020-08-05
WO2019065528A1 (en) 2019-04-04
JP2019067605A (en) 2019-04-25

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