WO2011085538A1 - Lampe à diodes électroluminescentes - Google Patents

Lampe à diodes électroluminescentes Download PDF

Info

Publication number
WO2011085538A1
WO2011085538A1 PCT/CN2010/070135 CN2010070135W WO2011085538A1 WO 2011085538 A1 WO2011085538 A1 WO 2011085538A1 CN 2010070135 W CN2010070135 W CN 2010070135W WO 2011085538 A1 WO2011085538 A1 WO 2011085538A1
Authority
WO
WIPO (PCT)
Prior art keywords
connecting ring
led lamp
lamp
cover
heat dissipation
Prior art date
Application number
PCT/CN2010/070135
Other languages
English (en)
Chinese (zh)
Inventor
蒋泽全
Original Assignee
深圳市普耐光电科技有限公司
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 深圳市普耐光电科技有限公司 filed Critical 深圳市普耐光电科技有限公司
Priority to PCT/CN2010/070135 priority Critical patent/WO2011085538A1/fr
Publication of WO2011085538A1 publication Critical patent/WO2011085538A1/fr

Links

Images

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
    • F21K9/65—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
    • 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
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • 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
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • 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
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • 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 relates to lighting fixtures, and more particularly to an LED lamp.
  • LED (Light-Emitting) Diode Light-emitting diodes (LEDs) are becoming more and more widely used in lighting fixtures as a new type of energy-saving and environmentally-friendly light-emitting components.
  • the LED lamp with a large angle rotation function adopts the end face rotation positioning, the rotation structure is movable and has no elasticity, and cannot be accurately positioned, and is not suitable for an application requiring high precision tolerance. Products with a small angle rotation function have only a slight adjustment effect, which is not conducive to wide-angle use.
  • the main technical problem to be solved by the present invention is to provide an LED lamp in which the lamp cap and the lamp cover can be rotated and accurately positioned with each other.
  • the present invention provides an LED lamp comprising a lamp cap having a lamp cap connecting portion, a lamp cover, a connecting ring connecting the cap connecting portion and the lamp cover, and an LED lighting group
  • the lamp cover comprises a translucent cover, a light transmissive cover covering the LED lighting group
  • the connecting ring comprising a first connecting ring connecting the lamp cover and a second connecting ring connecting the lamp head connecting portion, the first connecting ring and the second connecting ring a rotation fit
  • one of the first connecting ring and the second connecting ring is provided with a toothed protrusion that can position the lamp head and the connecting ring to rotate relative to each other
  • the other of the connecting rings is provided with a first recess that cooperates with the toothed projection.
  • the first connecting ring and the lamp cover are fixedly connected, and one of the second connecting ring and the base connecting portion is provided with a toothed protrusion for positioning the lamp cap and the connecting ring to rotate with each other, and the second connecting ring and the base of the lamp cap are connected.
  • the first groove is matched with the toothed protrusion, so that the lamp cap and the lamp cover can be rotated and accurately positioned, the illumination angle of the lamp head can be adjusted, the adjustment range of the lamp head is enlarged, and the range of illumination of the LED lamp is wider.
  • FIG. 1 is a schematic perspective view of a third embodiment of the present invention.
  • Figure 2 is a front elevational view of a specific embodiment of the present invention.
  • Figure 3 is a plan view of a specific embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional structural view of a heat sink according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a discrete structure of components in a specific embodiment of the present invention.
  • FIG. 6 is a schematic cross-sectional structural view of a first connecting ring in a specific embodiment of the present invention.
  • an LED lamp of the present invention an embodiment thereof,
  • the lamp cap 10 having the cap connecting portion 11, the lamp cover, the connecting ring 60 connecting the cap connecting portion 11 and the lamp cover, the LED lamp group and the power source (not shown) are included.
  • a power source is provided in the lamp cap for driving the LED lamp set and the heat sink 50.
  • the LED lamp set includes a circuit board 40 and an LED illuminator 41.
  • the LED illuminator 41 is disposed on the circuit board 40, and the lamp cap 10 and the lamp cover are connected by a connecting ring 60.
  • the circuit board 40 may be a copper substrate or an aluminum substrate.
  • the lampshade includes a transmissive cover 30 that covers the LED illuminator 41.
  • the connecting ring 60 includes a first connecting ring 61 that connects the lamp cover, a second connecting ring 62 that connects the cap connecting portion 11, and a partition 64.
  • the first connecting ring 61 and the second connecting ring 62 are disposed between the first connecting ring 61 and the second connecting ring 62.
  • the partition plate 64 is provided with a through hole 65 through which the wire can pass, and one end of the wire is connected to the power source, and the other end is connected to the LED illuminator 41 and the heat sink 50.
  • the first connecting ring 61 and the second connecting ring 62 are rotationally fitted.
  • first connecting ring 61 and the second connecting ring 62 is provided with a toothed protrusion 12
  • the other of the first connecting ring 61 and the second connecting ring 62 is provided with a first groove 66, the toothed protrusion 12 and the first A groove 66 fits.
  • the inner wall of the base connecting portion 11 is provided with a protruding latch 13
  • the outer wall of the second connecting ring 62 is provided with a second recess 68
  • the latch 13 and the second recess 68 are engaged.
  • the outer wall of the base connecting portion 11 is provided with a protruding latch 13
  • the inner wall of the second connecting ring 62 is provided with a second recess 68
  • the latch 13 and the second recess 68 are engaged.
  • the second recess 68 is an annular groove that surrounds the axis of the second connecting ring 62.
  • the inner wall of the second connecting ring 62 is provided with a protruding latch 13
  • the outer wall of the cap connecting portion 11 is provided with a second recess 68
  • the latch 13 and the second recess 68 are engaged.
  • the outer wall of the second connecting ring 62 is provided with a protruding latch 13
  • the inner wall of the cap connecting portion 11 is provided with a second recess 68
  • the latch 13 and the second recess 68 are engaged.
  • the second recess 68 is an annular groove that surrounds the axis of the base joint 11.
  • the toothed protrusions 12 are disposed on the inner wall of the base connecting portion 11
  • the first groove 66 is disposed on the second connecting ring 62
  • the outer diameter of the second connecting ring 62 is connected to the base of the base portion 11 .
  • the inner diameter matches.
  • the second connecting ring 62 may be provided with a cantilever plate 67, and the first groove 66 is disposed on the cantilever plate 67.
  • the first groove 66 may be a through hole.
  • the inner wall of the base connecting portion 11 can also be provided with a bump 14 which is higher than the toothed protrusion 12, and the bump 14 and the cantilever plate 67 cooperate to limit the position and prevent the second connecting ring. 62 rotates over 360°.
  • the LED lamp of the present invention may further include a heat sink, and the circuit board 40 is fixed to the heat sink.
  • the lamp cover may further include a heat dissipation cover 20, and the heat dissipation cover 20 and the light transmission cover 30 are fixedly connected, in particular, may be buckled.
  • the heat shield 20 and the light transmissive cover 30 constitute a lampshade cavity having a closed end and an open end, and the lampshade cavity includes an illumination cavity and a heat dissipation cavity.
  • the circuit board 40 is disposed in the lamp housing, the light transmissive cover 30 covers the LED illuminator 41, and the heat ray cover 20 covers the heat sink.
  • the circuit board 40 and the transparent cover 30 form an illumination cavity, and the LED illuminator 41 is disposed in the illumination cavity.
  • the circuit board 40 and the heat dissipation cover 20 form a heat dissipation cavity, and the heat sink 50 is disposed in the heat dissipation cavity.
  • the heat sink 20 has a heat dissipation opening 21.
  • Both the heat sink cover 20 and the light transmissive cover 30 are insulating covers.
  • the heat sink includes a heat sink 51 and a base 54.
  • the heat sink 51 is disposed on the base 54.
  • the heat sink 51 may have one or more.
  • the circuit board 40 is connected to the base 54, and the base 54 is connected to the connecting ring 60 by screws.
  • the cross section of the heat sink 50 is matched with the cross section of the heat sink cover 20.
  • the heat sink 50 may include a plurality of heat sinks 51 with a first slit 52 disposed therebetween.
  • the shape of the cross section of the heat sink cover 20 may be a half moon shape.
  • a heat dissipating groove 53 may be disposed on the surface of the heat sink 51.
  • the heat dissipating groove 53 may be a plurality of holes, and the heat dissipating groove 53 may be a toothed strip heat dissipating groove.
  • the first slit 52 between the fins 51 corresponds to the heat dissipation opening 21.
  • the heat dissipation opening 21 may be provided in various shapes, for example, the heat dissipation opening 21 may be provided as a flat opening.
  • the heat dissipation opening 21 can also be provided as a hole-shaped opening. There may be one or more than one hole-shaped opening. In one embodiment, there are a plurality of hole-shaped openings, and the first slit 52 between the fins 51 corresponds to the hole-shaped opening.
  • the first connecting ring 61 is connected to the lamp cover and the second connecting ring 62 is connected to the base 10 .
  • the first connecting ring 61 is provided with a first inlet 63.
  • the first inlet 63 allows air to enter
  • the transparent cover 30 is provided with a second inlet 31.
  • the second inlet 31 also allows air to enter the lighting cavity.
  • the first inlet 63 and the second inlet 31 are in communication, and air can enter the lighting cavity from the communication between the first inlet 63 and the second inlet 31, between the circuit board 40 and the closed end of the lamp housing cavity.
  • the second slit 42 enters the heat dissipation chamber and exchanges heat with the heat sink 51, the heated air is discharged from the heat dissipation opening 21.
  • the first inlet 63 may be an axially extending groove disposed on the inner wall of the first connecting ring 61, and the second inlet 31 is an opening recessed in the end surface of the transparent cover 30.
  • the first inlet 63 and the second inlet 31 may also be through holes or other shapes that allow air to enter from the communication between the first inlet 63 and the second inlet 31 after the first connecting ring 61 and the light transmissive cover 30 are connected.
  • a reflective sheet 70 may also be included.
  • the reflection sheet 70 is disposed on the optical path of the LED illuminator 41 on the side close to the connection ring 60.
  • one end of the reflective sheet 70 is disposed on the circuit board 40, and the other end is disposed on the connecting ring 60, and specifically disposed on the first connecting ring 61.
  • the reflection sheet 70 may be a reflection sheet that can reflect light and diffuse light.
  • the inner wall of the cap connecting portion is provided with a protruding latch
  • the outer wall of the second connecting ring is provided with a second groove that cooperates with the latch
  • the inner wall of the second connecting ring is provided with a protruding latch
  • the cap The outer wall of the connecting portion is provided with a second groove that cooperates with the latch, and the latch moves in the second groove to facilitate the fixed connection between the cap connecting portion and the second connecting ring through the latch and the first groove.
  • the second groove is an annular groove surrounding the axis of the second connecting ring, so that the buckle can be rotated at any angle in the second groove, so that the lamp joint and the second connecting ring are fixed at any position.
  • the second connecting ring is provided with a cantilever plate, and the first groove is disposed on the cantilever plate, so that the structure of the second connecting ring is simpler.
  • the inner wall of the connecting portion of the lamp cap is provided with a bump, and the bump cooperates with the cantilever plate to prevent the second connecting ring from rotating more than 360°, and the damage caused by the rotating angle of more than 360° to the LED lamp is avoided.
  • the cross section of the heat sink is matched with the cross section of the heat sink.
  • the heat sink includes a plurality of heat sinks, and a first slit is disposed between the heat sinks, the structure is simple, and the heat dissipation area is large.
  • the surface of the heat sink is provided with a heat dissipation groove, which can increase the heat dissipation area and improve the heat dissipation effect.
  • the heat sink is a toothed strip heat sink, which can further improve the heat dissipation effect.
  • the second slit penetrates the light emitting cavity and the heat dissipation cavity
  • the connecting ring includes a first connecting ring connected to the lamp cover, the first connecting ring is provided with a first inlet, and the transparent cover is provided with a second inlet, the first inlet and the second The inlet is connected to allow low temperature air to enter from the first inlet and the second inlet, so that hot air exits from the heat dissipation opening on the heat sink to form air circulation, improve heat dissipation, improve the quality of the LED lamp, and extend its use. life.
  • the reflection sheet is a reflection sheet that can reflect light and diffuse light.
  • the use of a reflective sheet having both a reflective effect and a diffusing effect increases the brightness by more than 3%. After the brightness is increased, the eyes do not look glare, which also enhances the visual effect when the light is illuminated.

Abstract

L'invention porte sur une lampe à diodes électroluminescentes, qui comprend une tête de lampe (10), un abat-jour, une bague de liaison (60) et un ensemble d'éclairage à diodes électroluminescentes. La tête de lampe (10) comprend une section de liaison de tête de lampe (11). La bague de liaison (60) relie la section de liaison de tête de lampe (11) et l'abat-jour. L'abat-jour comprend un abat-jour de transmission de lumière (30). L'abat-jour de transmission de lumière (30) recouvre l'ensemble d'éclairage à diodes électroluminescentes. La bague de liaison (60) comprend une première bague de liaison (61) qui relie l'abat-jour et une seconde bague de liaison (62) qui relie la section de liaison de tête de lampe (11). La première bague de liaison (61) et la seconde bague de liaison (62) sont adaptées en rotation. Des saillies en forme de dents (12) qui permettent un positionnement en rotation entre la tête de lampe (10) et la bague de liaison (60) sont disposées sur la première (61) ou la seconde (62) bague de liaison. Des premières rainures (66) qui coopèrent avec les saillies en forme de dents (12) sont disposées sur l'autre de la première bague de liaison (61) et de la seconde bague de liaison (62). La tête de lampe (10) et l'abat-jour peuvent tourner l'un par rapport à l'autre, et peuvent être positionnés avec précision. L'angle de lumière de la tête de lampe (10) peut être réglé. L'ampleur de réglage de la tête de lampe (10) est accrue. L'utilisation de la lumière de la lampe à diodes électroluminescentes est plus large.
PCT/CN2010/070135 2010-01-12 2010-01-12 Lampe à diodes électroluminescentes WO2011085538A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/070135 WO2011085538A1 (fr) 2010-01-12 2010-01-12 Lampe à diodes électroluminescentes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/070135 WO2011085538A1 (fr) 2010-01-12 2010-01-12 Lampe à diodes électroluminescentes

Publications (1)

Publication Number Publication Date
WO2011085538A1 true WO2011085538A1 (fr) 2011-07-21

Family

ID=44303794

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/070135 WO2011085538A1 (fr) 2010-01-12 2010-01-12 Lampe à diodes électroluminescentes

Country Status (1)

Country Link
WO (1) WO2011085538A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2588197Y (zh) * 2002-12-03 2003-11-26 均侑实业股份有限公司 灯罩
US20040170372A1 (en) * 2001-04-20 2004-09-02 Klaus-Dieter Stegmaier Device for connecting a first optical component to a second optical component
CN200975618Y (zh) * 2006-08-01 2007-11-14 苗成新 护眼台灯
CN201218469Y (zh) * 2008-06-19 2009-04-08 史杰 Led格栅射灯
CN201232882Y (zh) * 2008-06-24 2009-05-06 万亚工程有限公司 一种led光管
CN201359262Y (zh) * 2009-01-19 2009-12-09 广东金莱特电器股份有限公司 一种灯罩锁紧装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040170372A1 (en) * 2001-04-20 2004-09-02 Klaus-Dieter Stegmaier Device for connecting a first optical component to a second optical component
CN2588197Y (zh) * 2002-12-03 2003-11-26 均侑实业股份有限公司 灯罩
CN200975618Y (zh) * 2006-08-01 2007-11-14 苗成新 护眼台灯
CN201218469Y (zh) * 2008-06-19 2009-04-08 史杰 Led格栅射灯
CN201232882Y (zh) * 2008-06-24 2009-05-06 万亚工程有限公司 一种led光管
CN201359262Y (zh) * 2009-01-19 2009-12-09 广东金莱特电器股份有限公司 一种灯罩锁紧装置

Similar Documents

Publication Publication Date Title
US8616723B2 (en) Fluorescence-like LED illumination unit and applications thereof
TWI568966B (zh) 嵌燈式固定架
EP3330593B1 (fr) Unité d'éclairage à halo
US6979107B1 (en) Puck lighting fixture
WO2013029365A1 (fr) Lampe à del à éclairage omnidirectionnel à grand angle
US10047946B2 (en) Light fixtures and lighting devices
US20090122572A1 (en) Apparatus configured to provide functional and aesthetic lighting from a fan
US20140268748A1 (en) Surface ambient wrap light fixture
EP2649365A2 (fr) Ensemble optique de type chemin lumineux encastré
WO2022199304A1 (fr) Plafonnier
EP3135983B1 (fr) Lampe plate de protection pour les yeux à del du type à spectre solaire
CN201041338Y (zh) 发光二极管照明装置
EP3572715A1 (fr) Appareil d'éclairage
WO2011085538A1 (fr) Lampe à diodes électroluminescentes
WO2011085539A1 (fr) Lampe à diodes électroluminescentes
USD644371S1 (en) Lighting fixture
WO2011147103A1 (fr) Dispositif électroluminescent omnidirectif
CN213452919U (zh) 一种led照明设备
WO2019041588A1 (fr) Ensemble lampe à del relié au moyen d'un aimant
CN108468983A (zh) 一种灯具
WO2008080253A1 (fr) Procédé de fabrication d'un dispositif d'éclairage à del
CN209415359U (zh) 一种混合变焦模组及采用该模组的灯具
CN210462844U (zh) 一种可调节光源亮度和色温的led灯具
WO2022057880A1 (fr) Appareil d'éclairage et système de source lumineuse associé
WO2012122704A1 (fr) Lampe à diodes électroluminescentes

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10842822

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205N DATED 18/09/2012)

122 Ep: pct application non-entry in european phase

Ref document number: 10842822

Country of ref document: EP

Kind code of ref document: A1