EP3299709B1 - Leuchte mit variablem fokus - Google Patents

Leuchte mit variablem fokus Download PDF

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Publication number
EP3299709B1
EP3299709B1 EP16190034.5A EP16190034A EP3299709B1 EP 3299709 B1 EP3299709 B1 EP 3299709B1 EP 16190034 A EP16190034 A EP 16190034A EP 3299709 B1 EP3299709 B1 EP 3299709B1
Authority
EP
European Patent Office
Prior art keywords
sleeve assembly
moveable
fixed sleeve
lighting fixture
sliding pin
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.)
Active
Application number
EP16190034.5A
Other languages
English (en)
French (fr)
Other versions
EP3299709A1 (de
Inventor
Hsin-Chieh Huang
Shun WANG
Shun-Wen Teng
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.)
Chun Kuang Optics Corp
Original Assignee
Chun Kuang Optics Corp
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 Chun Kuang Optics Corp filed Critical Chun Kuang Optics Corp
Priority to EP16190034.5A priority Critical patent/EP3299709B1/de
Publication of EP3299709A1 publication Critical patent/EP3299709A1/de
Application granted granted Critical
Publication of EP3299709B1 publication Critical patent/EP3299709B1/de
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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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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]

Definitions

  • the present invention is related to a lighting fixture, in particular, to a variable focus lighting fixture (a lighting fixture offering a variable focus).
  • Atypical variable focus lighting fixture comprises an inner sleeve and an outer sleeve using threads for fastening onto each other.
  • the inner sleeve includes a light source arranged therein
  • the outer sleeve includes a lens arranged corresponding to the light source.
  • US 2010/0290229 A1 discloses a variable focus lighting fixture according to the preamble of claim 1, wherein a spiral curve slot of the actuation assembly is arranged on the moveable sleeve assembly, and the sliding pin of the actuation assembly is arranged on the fixed sleeve assembly.
  • a spring-biased sliding pin including a roller is not disclosed.
  • US 2012/0147606 A1 discloses a variable focus lighting fixture wherein the spiral curve slot of the of the actuation assembly is arranged on the fixed sleeve assembly and the sliding pin of the of the actuation assembly is arranged on the moveable sleeve assembly.
  • variable focus lighting fixture as claimed in claim 1.
  • Further advantageous embodiments are the subject-matter of the dependent claims.
  • the present invention provides a variable focus lighting fixture, comprising a fixed sleeve assembly, a moveable sleeve assembly, a light emitting unit, a lens secured onto the moveable sleeve assembly and an actuation assembly.
  • the moveable sleeve assembly penetrates (extends) into the fixed sleeve assembly and is capable of moving relative to the fixed sleeve assembly.
  • the light emitting unit is secured onto the fixed sleeve assembly.
  • the lens is secured onto the moveable sleeve assembly.
  • the actuation assembly is connected between the moveable sleeve assembly and the fixed sleeve assembly; the actuation assembly includes a spiral curve slot and a sliding pin; the sliding pin penetrates into the spiral curve slot.
  • the sliding pin moves along the spiral curve slot in order to drive the moveable sleeve assembly to move (to be displaced) along an axial direction of the moveable sleeve assembly.
  • a rear end of the sliding pin includes a roller disposed thereon, and the roller abuts against an inner wall of the spiral curve slot, wherein the sliding pin includes a spring arranged therein, a first end of the spring abuts against the roller and a second end of the spring abuts against another end of the sliding pin opposite from the rear end.
  • the actuation assembly comprises a spiral curve slot formed on the fixed sleeve assembly and a sliding pin arranged on the moveable sleeve assembly, wherein the sliding pin penetrates into the spiral curve slot and is capable of moving along the spiral curve slot.
  • the actuation assembly comprises a spiral curve slot arranged on the moveable sleeve assembly and a sliding pin arranged on the fixed sleeve assembly, wherein the sliding pin penetrates into the spiral curve slot and is capable of moving along the spiral curve slot.
  • the moveable sleeve assembly includes a pressing ring fastened thereto; the pressing ring and the moveable sleeve assembly are arranged coaxially with each other, and an edge of the lens is clamped between the pressing ring and the moveable sleeve assembly.
  • the moveable sleeve assembly includes an outer protruding edge extended therefrom, and the outer protruding edge protrudes out of the fixed sleeve assembly in a longitudinal direction of the fixed sleeve assembly, and the outer protruding edge also protrudes out of the fixed sleeve assembly in a lateral direction of the fixed sleeve assembly.
  • the lens includes a concave slot formed thereon, and the concave slot is arranged corresponding to a location of the light emitting unit.
  • variable focus lighting fixture of the present invention can further comprise a plurality of actuation assemblies, and the plurality of actuation assemblies are arranged in a ring and spaced apart from each other.
  • the spiral curve slot extends spirally and an extension curve angle is within 360 degrees.
  • variable focus lighting fixture of the present invention is able to allow its user to rotate the outer protruding edge of the moveable sleeve assembly in such a way that the sliding pin can be actuated in cooperation with the spiral curve slot relatively in order to allow the moveable sleeve assembly to move relative the central axis relative to the fixed sleeve assembly; therefore, the light projection path can be altered.
  • a variable focus lighting fixture comprises a fixed sleeve assembly 100, a moveable sleeve assembly 200, a light emitting unit 300, a lens 400 and at least one actuation assembly 500.
  • the fixed sleeve assembly 100 is preferably to be a cylinder having an opening end such that the two opposite ends thereof include an opening end 110 of an opened shape and a bottom end 120 of a closed shape.
  • the bottom end 120 further includes at least one through hole 121 formed thereon and provided for cables to penetrate therethrough.
  • the moveable sleeve assembly 200 is preferably to be a cylinder having two opening ends such that the two opposite ends thereof include an outer end 210 and an inner end 220.
  • the outer end 210 of the moveable sleeve assembly 200 includes a projecting opening 201 and the internal of the outer end 210 includes an inner protruding edge 231 formed therein.
  • An inner diameter of the outer end 210 expands from the inner protruding edge 231 toward the projecting opening 201 of the outer end 210.
  • the inner side wall between the inner protruding edge 231 of the outer end 210 and the projecting opening 201 include an anti-glare structure 250 of a stepped shape formed thereon.
  • the anti-glare structure 250 utilizes the method of reflecting light to adjust the projection path of the light in order to achieve the effect of anti-glare.
  • the inner side wall of the inner end 220 of the moveable sleeve assembly 200 includes threads provided for a pressing ring 240 to be fastened thereon.
  • the pressing ring 240 and the moveable sleeve assembly 200 are arranged coaxially with each other.
  • the moveable sleeve assembly 200 coaxially penetrates into the fixed sleeve assembly 100 and is capable of moving along the central axis relative to the fixed sleeve assembly 100.
  • the inner end 220 of the moveable sleeve assembly 200 is arranged toward the bottom end 120 of the fixed sleeve assembly 100.
  • the outer end 210 of the moveable sleeve assembly 200 includes an outer protruding edge 232 extended outward in the radial direction.
  • the outer protruding edge 232 protrudes out of the fixed sleeve assembly 100 in the longitudinal direction of the fixed sleeve assembly 100, and the outer protruding edge 232 also protrudes out of the fixed sleeve assembly 100 in the lateral direction of the fixed sleeve assembly 100.
  • the light emitting unit 300 is preferably to be light emitting diode; however, the present invention is not limited to such type only.
  • the light emitting unit 300 is secured on the inner side of the bottom end 120 of the fixed sleeve assembly 100 and is arranged toward the opening end 110.
  • the lens 400 includes a light incident side 410 and a light exit side 420.
  • the light incident side 410 includes a concave slot 411 formed to indent thereon.
  • the edge of the lens 400 is clamped by the pressing ring 240 and the inner protruding edge 231 of the moveable sleeve assembly 200 in order to be secured inside the moveable sleeve assembly 200.
  • the concave slot 411 is arranged corresponding to the location of the light emitting unit 300 and toward the lighting emitting unit 300.
  • each actuation assembly 500 is respectively connected between the inner side of the fixed sleeve assembly 100 and the outer side of the moveable sleeve assembly 200.
  • the plurality of actuation assemblies 500 are arranged in a ring and spaced apart from each other. In the subsequent content, one of the actuation assemblies 500 is used for illustrations on its structure and actuation method.
  • each actuation assembly 500 comprises a spiral curve slot 510 formed on an inner wall surface of the fixed sleeve assembly 100 and a sliding pin 520 arranged on the moveable sleeve assembly 200 and corresponding to such spiral curve slot 510.
  • the spiral curve slot 510 extends along a spiral line and its extension curve angle is preferably within 360 degree.
  • the sliding slot 520 is a hollow column and includes an opening rear end 521.
  • the internal of the sliding pin 520 includes a spring 523 and a roller 522 disposed therein.
  • the roller 522 is disposed at the rear end 521 of the sliding pin 520, and the diameter of the roller 522 is greater than the aperture of the rear end of the sliding pin 520.
  • a first end of the spring 523 abuts against the roller 522 and a second end of the spring 523 abuts another end of the sliding pin 520 opposite to the rear end 521.
  • the rear end 521 of the sliding pin 520 protrudes at the outer side wall of the moveable sleeve assembly 200 and penetrates into the corresponding spiral curve slot 510.
  • the roller 522 abuts against the inner wall of the spiral curve slot 510 in order to allow the sliding pin 520 to be able to move along the spiral curve slot 510.
  • variable focus lighting fixture of the present invention is provided for the user to rotate the outer protruding edge 232 of the moveable sleeve assembly 200 in order to allow the moveable sleeve assembly 200 to move along the central axis relative to the fixed sleeve assembly 100.
  • the moveable sleeve assembly 200 rotates along its central axis in order to allow the sliding pin 520 of the actuation assembly 500 to move along the spiral curve slot 510 such that it is able to generate a longitudinal displacement along the fixed sleeve assembly 100 or the moveable sleeve assembly 200; consequently, it is able to drive the moveable sleeve assembly 200 to move along its axial direction.
  • the aforementioned action is able to cause a change in the distance between the light emitting unit 300 and the lens 400 such that the path of the light generated by the light emitting unit 300 after penetrating through the lens 400 can be altered.
  • a variable focus lighting fixture comprises a variable focus lighting fixture comprises a fixed sleeve assembly 100, a moveable sleeve assembly 200, a light emitting unit 300, a lens 400 and at least one actuation assembly 500.
  • the fixed sleeve assembly 100 is preferably to be a cylinder having an opening end such that the two opposite ends thereof include an opening end 110 of an opened shape and a bottom end 120 of a closed shape.
  • the bottom end 120 further includes at least one through hole 121 formed thereon and provided for cables to penetrate therethrough.
  • the moveable sleeve assembly 200 is preferably to be a cylinder having two opening ends such that the two opposite ends thereof include an outer end 210 and an inner end 220.
  • the inner side wall of the outer end 210 of the moveable sleeve assembly 200 includes threads provided for a pressing ring 240 to be fastened thereon.
  • the pressing ring 240 and the moveable sleeve assembly 200 are arranged coaxially with each other.
  • the inner side wall of the inner end 220 of the moveable sleeve assembly 200 includes an inner protruding edge 231 formed thereon.
  • One side of the pressing ring 240 includes a projecting opening 201, and the projecting opening 201 is arranged inside the outer end 210 of the moveable sleeve assembly 200.
  • the inner wall of the pressing ring 240 is of a tapered shape, and the inner diameter of the pressing ring 240 expands from the internal of the movable sleeve assembly 200 toward the projecting opening 201.
  • the inner side wall of the pressing ring 240 includes an anti-glare structure 250 of a stepped shape formed thereon.
  • the anti-glare structure 250 utilizes the method of reflecting light to adjust the projection path of the light in order to achieve the effect of anti-glare.
  • the moveable sleeve assembly 200 coaxially penetrates into the fixed sleeve assembly 100 and is capable of moving along the central axis relative to the fixed sleeve assembly 100.
  • the inner end 220 of the moveable sleeve assembly 200 is arranged toward the bottom end 120 of the fixed sleeve assembly 100.
  • the outer end 210 of the moveable sleeve assembly 200 includes an outer protruding edge 232 extended outward in the radial direction.
  • the outer protruding edge 232 protrudes out of the fixed sleeve assembly 100 in the longitudinal direction of the fixed sleeve assembly 100, and the outer protruding edge 232 also protrudes out of the fixed sleeve assembly 100 in the lateral direction of the fixed sleeve assembly 100.
  • the light emitting unit 300 is preferably to be light emitting diode; however, the present invention is not limited to such type only.
  • the light emitting unit 300 is secured on the inner side of the bottom end 120 of the fixed sleeve assembly 100 and is arranged toward the opening end 110.
  • the lens 400 includes a light incident side 410 and a light exit side 420.
  • the light incident side 410 includes a concave slot 411 formed to indent thereon.
  • the edge of the lens 400 is clamped by the pressing ring 240 and the inner protruding edge 231 of the moveable sleeve assembly 200 in order to be secured inside the moveable sleeve assembly 200.
  • the concave slot 411 is arranged corresponding to the location of the light emitting unit 300 and toward the lighting emitting unit 300.
  • each actuation assembly 500 is respectively connected between the inner side of the fixed sleeve assembly 100 and the outer side of the moveable sleeve assembly 200.
  • the plurality of actuation assemblies 500 are arranged in a ring and spaced apart from each other. In the subsequent content, one of the actuation assemblies 500 is used for illustrations on its structure and actuation method.
  • each actuation assembly 500 comprises a spiral curve slot 510 formed on an outer wall surface of the moveable sleeve assembly 200 and a sliding pin 520 arranged on the fixed sleeve assembly 100 and corresponding to such spiral curve slot 510.
  • the spiral curve slot 510 extends along a spiral line and its extension curve angle is preferably within 360 degree.
  • the sliding slot 520 is a hollow column and includes an opening rear end 521.
  • the internal of the sliding pin 520 includes a spring 523 and a roller 522 disposed therein.
  • the roller 522 is disposed at the rear end 521 of the sliding pin 520, and the diameter of the roller 522 is greater than the aperture of the rear end 521 of the sliding pin 520.
  • a first end of the spring 523 abuts against the roller 522 and a second end of the spring 523 abuts against another end of the sliding pin 520 opposite to the rear end 521.
  • the rear end 521 of the sliding pin 520 protrudes at the outer side wall of the moveable sleeve assembly 200 and penetrates into the corresponding spiral curve slot 510.
  • the roller 522 abuts against the inner wall of the spiral curve slot 510 in order to allow the sliding pin 520 to be able to move along the spiral curve slot 510.
  • the sliding pin 520 is preferable to be embedded and locked into the inner wall of the fixed sleeve assembly 100 such that the appearance of the fixed sleeve assembly 100 is not damages; consequently, it is able to prevent water vapor from infiltration therein.
  • variable focus lighting fixture of the present invention is provided for the user to rotate the outer protruding edge 232 of the moveable sleeve assembly 200 in order to allow the moveable sleeve assembly 200 to move along the central axis relative to the fixed sleeve assembly 100.
  • the moveable sleeve assembly 200 rotates along its central axis in order to allow the sliding pin 520 of the actuation assembly 500 to move along the spiral curve slot 510 such that it is able to generate a longitudinal displacement along the fixed sleeve assembly 100 or the moveable sleeve assembly 200; consequently, it is able to drive the moveable sleeve assembly 200 to move along its axial direction.
  • the aforementioned action is able to cause a change in the distance between the light emitting unit 300 and the lens 400 such that the path of the light generated by the light emitting unit 300 after penetrating through the lens 400 can be altered.
  • variable focus lighting fixture of the present invention is provided to allow the user to rotate the outer protruding edge 232 of the moveable sleeve assembly 200 such that the sliding pin 520 is able to actuate in cooperation with the spiral curve slot 510 relatively in order to allow the moveable sleeve assembly 200 to move along the central axis relative to the fixed sleeve assembly 100; consequently, the light projection path can be altered.
  • the spiral curve slot 510 can be configured to have a greater inclination angle in comparison to the threads, the stroke of the spiral curve slot 510 is reduced such that the rate of the wear out between the sliding pin 520 and the spiral curve slot 510 can be reduced.
  • variable focus light fixture of the present invention is of a longer useful lifetime and a greater precision.
  • variable focus lighting fixture of the present invention is able to allow its moveable sleeve assembly 200 to be rotated and moved simultaneously; therefore, during the adjustment of the light projection path, only one single assembly is required to be moved, which is advantageous in such a way that the fewer the number of moveable assemblies, the high the precision of the actuation.
  • the concave slot 411 formed on the lens 400 allows the light emitting unit 300 to move therein such that the moveable sleeve assembly 200 is able to have a longer axial stroke.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Claims (7)

  1. Leuchte mit variablem Fokus, umfassend:
    eine feststehende Hülsenanordnung (100);
    eine bewegliche Hülsenanordnung (200), die sich in die feststehende Hülsenanordnung (100) hinein erstreckt und relativ zu der feststehenden Hülsenanordnung (100) beweglich ist;
    eine lichtemittierende Einheit (300), die an der feststehenden Hülsenanordnung (100) befestigt ist;
    eine Linse (400), die an der beweglichen Hülsenanordnung (200) befestigt ist; und
    eine Betätigungsanordnung (500), die zwischen der beweglichen Hülsenanordnung (200) und der feststehenden Hülsenanordnung (100) angeordnet ist; wobei die Betätigungsanordnung (500) eine spiralförmige Kurvenausnehmung (510) und einen Gleitzapfen (520) aufweist; wobei der Gleitzapfen (520) sich in die spiralförmige Kurvenausnehmung (510) hinein erstreckt; wobei
    a) die spiralförmige Kurvenausnehmung (510) auf der feststehenden Hülsenanordnung (100) und der Gleitzapfen (520) auf der beweglichen Hülsenanordnung (200) angeordnet ist, oder
    b) die spiralförmige Kurvenausnehmung (510) auf der beweglichen Hülsenanordnung (200) und der Gleitzapfen (520) auf der feststehenden Hülsenanordnung (100) angeordnet ist,
    wobei, wenn die bewegliche Hülsenanordnung (200) um eine zentrale Achse der beweglichen Hülsenanordnung (200) gedreht wird, sich der Gleitzapfen (520) entlang der spiralförmigen Kurvenausnehmung (510) bewegt, um die bewegliche Hülsenanordnung (200) entlang einer axialen Richtung der beweglichen Hülsenanordnung (200) zu bewegen;
    dadurch gekennzeichnet, dass ein hinteres Ende (521) des Gleitzapfens (520) eine darauf angeordnete Rolle (522) aufweist und die Rolle (522) an einer Innenwand der spiralförmigen Kurvenausnehmung (510) anliegt, wobei der Gleitzapfen (520) eine darin angeordnete Feder (523) aufweist, ein erstes Ende der Feder (523) an der Rolle (522) anliegt und ein zweites Ende der Feder (523) an einem anderen Ende des Gleitzapfens (520) gegenüberliegend dem hinteren Ende (521) anliegt.
  2. Leuchte mit variabler Fokussierung nach Anspruch 1, wobei die bewegliche Hülsenanordnung (200) einen davon ausgehend vorstehenden Außenrand (232) aufweist und der vorstehende Außenrand (232) von der feststehenden Hülsenanordnung (100) in einer Längsrichtung der feststehenden Hülsenanordnung (100) absteht.
  3. Leuchte mit variablem Fokus nach Anspruch 2, wobei der vorstehende Außenrand (232) von der feststehenden Hülsenanordnung (100) in einer seitlichen Richtung der feststehenden Hülsenanordnung (100) absteht.
  4. Leuchte mit variablem Fokus nach einem der vorhergehenden Ansprüche, wobei die bewegliche Hülsenanordnung (200) einen daran befestigten Druckring (240) aufweist; wobei der Druckring (240) und die bewegliche Hülsenanordnung (200) koaxial zueinander angeordnet sind und ein Rand der Linse (400) zwischen dem Druckring (240) und der beweglichen Hülsenanordnung (200) geklemmt ist.
  5. Leuchte mit variablem Fokus nach einem der vorhergehenden Ansprüche, wobei die Linse (400) einen darauf ausgebildeten konkaven Schlitz (411) aufweist und der konkave Schlitz (411) entsprechend einer Position der lichtemittierenden Einheit (300) angeordnet ist.
  6. Leuchte mit variablem Fokus nach einem der vorhergehenden Ansprüche, weiterhin umfassend eine Mehrzahl von Betätigungseinrichtungen (500), wobei die Mehrzahl von Betätigungseinrichtungen (500) in einem Ring und zueinander beabstandet angeordnet ist.
  7. Leuchte mit variablem Fokus nach einem der vorhergehenden Ansprüche, wobei sich die spiralförmige Kurvenausnehmung (510) spiralförmig erstreckt und ein Erstreckungskurvenwinkel innerhalb von 360 Grad liegt.
EP16190034.5A 2016-09-22 2016-09-22 Leuchte mit variablem fokus Active EP3299709B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16190034.5A EP3299709B1 (de) 2016-09-22 2016-09-22 Leuchte mit variablem fokus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16190034.5A EP3299709B1 (de) 2016-09-22 2016-09-22 Leuchte mit variablem fokus

Publications (2)

Publication Number Publication Date
EP3299709A1 EP3299709A1 (de) 2018-03-28
EP3299709B1 true EP3299709B1 (de) 2018-09-12

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009145580A2 (ko) * 2008-05-29 2009-12-03 (주)성현하이텍 엘이디를 이용한 조명등
US20100290229A1 (en) * 2009-05-14 2010-11-18 The Nassau Group, Limited & DOG Design, Inc. Field adjustable lighting fixture
US8371710B2 (en) * 2009-10-02 2013-02-12 Coast Cutlery Company Focusing lens system
TWM408651U (en) * 2010-12-09 2011-08-01 cun-hong Huang LED lamp holder to adjust the beam angle
CN202065923U (zh) * 2011-04-13 2011-12-07 正屋(厦门)电子有限公司 Led灯的光束调节结构

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

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