EP3719385B1 - Bougie électrique - Google Patents

Bougie électrique Download PDF

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Publication number
EP3719385B1
EP3719385B1 EP20167484.3A EP20167484A EP3719385B1 EP 3719385 B1 EP3719385 B1 EP 3719385B1 EP 20167484 A EP20167484 A EP 20167484A EP 3719385 B1 EP3719385 B1 EP 3719385B1
Authority
EP
European Patent Office
Prior art keywords
light
area
shaft
electric candle
lamp
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
EP20167484.3A
Other languages
German (de)
English (en)
Other versions
EP3719385A1 (fr
Inventor
Oskar Scholz
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.)
Herrnhuter Sterne GmbH
Original Assignee
Herrnhuter Sterne GmbH
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 Herrnhuter Sterne GmbH filed Critical Herrnhuter Sterne GmbH
Publication of EP3719385A1 publication Critical patent/EP3719385A1/fr
Application granted granted Critical
Publication of EP3719385B1 publication Critical patent/EP3719385B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
    • 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
    • F21K9/20—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
    • F21K9/237—Details of housings or cases, i.e. the parts between the light-generating element and the bases; Arrangement of components within housings or cases
    • 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
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/10—Lighting devices or systems using a string or strip of light sources with light sources attached to loose electric cables, e.g. Christmas tree lights
    • 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
    • F21W2121/00—Use or application of lighting devices or systems for decorative purposes, not provided for in codes F21W2102/00 – F21W2107/00
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • 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
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/40—Light sources with three-dimensionally disposed light-generating elements on the sides of polyhedrons, e.g. cubes or pyramids
    • 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 invention relates to an electric candle which is made up of a lamp base and a cylindrical lamp body.
  • the cylindrical lamp body is aligned vertically and determines the appearance of a candle, which lights up at its upper end and merges into a lamp base at the lower end to accommodate and hold the electric candle.
  • Such electric candles can be used in a chain of lights, which can be used in general, for example, for the festive lighting of Christmas trees or decorative objects.
  • the electric candles are preferably used to illuminate star-shaped lampshades and decorative objects.
  • an electric candle with an on/off switching function emerges.
  • a non-contact proximity switch is provided to switch the candle on or off.
  • the candle body has a cylindrical shape, which has a flame-like configuration at its upper end in order to produce the character of a candle-like illumination.
  • the electric candle has a flame-shaped, transparent luminous body at the upper end of the cylindrical hollow body, in which a lighting device with an LED and a rechargeable battery is housed as energy storage.
  • a candle with a rechargeable battery or battery-powered electrical supply is also out of the DE 203 06 723 U1 out.
  • This battery or accumulator-operated candle is designed as a replacement for ordinary candles in such a way that it can be accommodated by a commercially available Christmas tree candle holder and the Christmas tree can thus be electrically illuminated as a safer alternative to burning candles.
  • the US 2015/285 487 A1 relates to an incandescent bulb, and in particular to an incandescent bulb of the type that includes one or more energy efficient lighting devices such as light emitting diodes.
  • a problem to be solved is that the amount of heat generated by the lighting means, such as light-emitting diodes, is quickly conducted away from the lighting device.
  • a combination of a lightbulb and a lamp holder is provided, in which the lightbulb comprises a number of light-emitting diodes which are mounted on a mounting platform which is arranged in a globe of the lightbulb.
  • the mounting platform is mounted on and in thermally conductive engagement with a heat transfer element that is within and in thermally conductive engagement with an Edison screw-threaded first-coupling element also made of thermally conductive material so that the heat generated by the light emitting diodes is conducted through the mounting platform, the heat transfer element and the first coupling element is guided into the bulb holder.
  • an LED lamp which has a base, a tube conductor, a light bulb and at least one LED.
  • the base is metallic and has an electrical connection.
  • the tubular conductor is with filled with a liquid and mounted on the base and has a distal end and a proximal end.
  • the bulb is transparent and connected to the base.
  • the at least one LED is attached to the distal end of the tubing and is electrically connected to the terminal of the base.
  • the fluid in the tubular conductor can vaporize near the operating temperatures of the LED, so that heat is transported away from the LED quickly and efficiently, so that high-power LEDs or multiple LEDs can be implemented, thereby improving the brightness of the LED lamp and commercial applications will.
  • the electric candles according to the prior art have various disadvantages depending on their design. Often the lamps used, which are mainly based on LED lighting technology, cannot be used optimally in terms of their electrical connection values. In addition, the electrical energy stores, the batteries and accumulators, lead to a restriction in the use of the electric candles due to their weight.
  • the object of the invention is therefore to provide an electric candle that can be used in commercially available light chains and with common electrical connection values and that can also take advantage of the use of LED lighting technology.
  • the advantages of LED lighting technology are seen in particular in the fact that the lamps get by with very little electrical energy and are also very light thanks to the use of electronic components. Furthermore, LEDs have a very long service life with a correspondingly high number of switching operations and high energy efficiency.
  • the appearance of the candle is created in particular by the arrangement and concentration of the luminous area at an upper end of the cylindrical candle, which is usually arranged vertically, whereas the non-luminous lamp base is designed to be accommodated in a corresponding lamp socket at the other lower end.
  • the shaft inside the candle body is particularly advantageously designed as a circular cylinder in its extension area and as a cuboid in the lighting area, with the cuboid having two square end faces. With a square face, the cuboid transitions into the extension area at the end and the other face forms the distal boundary of the shaft, which is equipped with the light sources as a light area.
  • the lighting means are preferably evenly distributed on the side surfaces of the cuboid and also arranged on the distal end surface of the lighting area of the shaft.
  • Two lamps are particularly preferably arranged on each side face of the cuboid and on the distal end face.
  • the lighting area is shorter than the extension area, so that the lighting effect occurs in the upper area at the end, where the flame is designed with the lighting effect of conventional candles.
  • the shaft with the lighting area for accommodating the lighting means is made in one piece and is made of aluminum or plastic.
  • the one-piece configuration of the shaft achieves good heat absorption and dissipation from the lighting means, which are arranged on the surface of the lighting area of the shaft and are in thermal contact with it.
  • the shank according to the invention is designed in two parts, with the shank having a core made of aluminum, which is encapsulated with plastic.
  • the aluminum is preferably not encapsulated by plastic, so that the lighting means are applied to the aluminum core and are in thermally conductive contact with it in order to dissipate the heat.
  • the lighting means are particularly preferably in the form of LEDs which are glued onto the lighting area of the shaft.
  • the use of LEDs represents a particularly energy-efficient light source for the electric candle, and gluing the LEDs to the shaft is an advantageous manufacturing arrangement and fixation of the illuminants in a lamp, which also leads to good thermal contact.
  • At least one feed groove is formed in the extension area of the shaft for feeding electrical lines from the lamp base to the electrical lamps, which are located in the lighting area at the opposite end of the shaft and must be electrically contacted from the lamp base.
  • the end region of the lamp envelope opposite the lamp base is rounded and closed at the end, so that the parts of the lamp carrying electrical current are protected from external influences, such as moisture and dust.
  • the lighting area with the lighting means is surrounded in the longitudinal direction by a transparent fixing layer, which surrounds the lighting means in a form-fitting manner and holds it to the lighting area.
  • the lengthening area is surrounded by a decorative fixing layer in the longitudinal direction, in order to ensure the mechanical strength of the entire upper and, moreover, with the decorative fixing layer, the possibility of an attractive aesthetic design is achieved as a side effect.
  • the fixing layers Preference is given to the fixing layers, the transparent fixing layer, which of course has to let the light generated by the lighting means pass through to the outside in the lighting area, and the decorative fixing layer in the form of a shrink tube.
  • the lighting means on the distal end face of the lighting area of the shaft are designed with only 70% of the luminous flux of the lighting means on the side surfaces of the lighting area.
  • the electric candle is operated with a voltage of 6.0 volts to 6.3 volts and an output of 0.5 watts to 0.6 watts and has a luminous flux of 50 lumens to 70 lumens.
  • the lamp envelope is preferably made of polycarbonate, the lamp envelope being particularly preferably clear in the lighting area of the shaft and provided with a frosted finish over the extension area of the shaft.
  • the lamp base is preferably designed as a so-called E10 base, as a result of which the electric candle can be used in conventional lamp sockets for light chains and the like.
  • an electric candle 1 is shown in a side view.
  • the electric candle 1 consists essentially of a lamp body 3 and a lamp base 2, on which the lamp body 3 is placed and connected to it.
  • a base of the type E10 is designed as the lamp base 2 .
  • the lamp body 3 is surrounded on the outside by the Lamp envelope 4, which is designed as a hollow cylinder.
  • the lamp envelope is transparent, at least in the area of the illuminants 9, in order to emit the light generated to the outside.
  • the lamp envelope 4 is made of polycarbonate in the illustrated embodiment.
  • the lamp envelope 4 is connected to the lamp base 2 on one side and has an end region 6 on the other side, which is rounded and closed and thus delimits the electric candle 1 at the top.
  • a shaft 5 which extends essentially over the entire length of the lamp envelope 4 and is arranged coaxially with the lamp envelope 4 and which can be functionally divided into two areas.
  • the area of the shaft 5 from the lamp base 2, or placed on the lamp base 2, upwards is referred to as the extension area 7, which then merges into the lighting area 8 at the end.
  • the luminous area 8 of the shaft is arranged in the end area 6 of the lamp envelope 4 .
  • the light sources 9 are arranged in the lighting area 8 in such a way that the light is emitted outwards through the lamp envelope 4, whereby, depending on the specifics of the LED light sources 9 used, there is also emission not only in the radial direction, but also obliquely upwards and downwards he follows.
  • the transparent or at least opaque lamp envelope 4 allows the decorative fixing layer 12 that surrounds the extension region 7 of the shaft 5 to shine through.
  • the shaft 5 of the electric candle 1 is shown separately in side view.
  • the shaft 5 is divided into the extension area 7 and the Illuminated area 8, where the illuminated area 8 is generally designed to be smaller than the extension area 7 in the axial extent.
  • the luminous area 8 serves to accommodate the luminous means 9 and the illustration shows that the luminous area 8 in the region of the luminous means 9 is surrounded by a layer, the transparent fixing layer 11, which is shown in dots.
  • the transparent fixing layer 11 surrounds the lighting means 9 and holds them in a form-fitting manner on the lighting area 8 of the shaft 5 .
  • the lighting means 9 are designed as LEDs, preferably glued onto the shaft 5 in the lighting area 8 .
  • the extension area 7 is surrounded by a decorative fixing layer 12 which, in addition to its function of decorative and aesthetic design, also enables the electrical connection lines to be fixed in place.
  • the electrical connecting lines, not shown, in the extension area 7 of the shaft 5 are laid in a feed groove 10 and are used to supply the lighting means 9 with electrical energy from the lamp base 2 .
  • the shaft 5 is received and held on one side by the lamp base 2 and the electrical connections extend from the lamp base 2, guided in the feed groove 10, over the extension area 7 to the lighting area 8, where the lighting means 9 are contacted with the lines.
  • the decorative fixing layer 12 envelops the shank 5 in the extension area 7 and thus stabilizes the position of the electrical lines in the feed groove 10.
  • the shank 5 is preferably designed as a circular cylinder made of solid material.
  • the shaft 5 made of plastic (not according to the invention) is produced in an injection molding process in a particularly preferred and cost-effective manner.
  • the lighting area 8 is designed in a special way to accommodate the lighting means 9 . For this purpose, it is particularly favorable to provide a flat surface for thermal contact, with which the LEDs can be connected over the entire surface as the lighting means 9 . This serves to dissipate heat as much as possible from the LEDs into the shaft 5 .
  • the design according to 2 is in plan view of the distal end face of the shaft 5 according to 3 shown.
  • the representation according to 3 shows the design of the luminous area 8 in cross section as a square.
  • other shapes of the polygon than a pentagon or hexagon can also be advantageously designed.
  • the lighting means 9 are connected to the lighting area in a thermally conductive manner over their entire surface.
  • the shaft 5 is designed as a heat sink, which absorbs and dissipates the waste heat from the lamps 9 in the lighting area 8 with appropriate thermal contact with the lamps 9, in order to then partially radiate it via the extension area 7 or transfer it to the lamp base 2 by means of heat conduction and heat transfer derive.
  • a very efficient embodiment is that the shaft 5 is made of aluminum, which realizes excellent heat conduction.
  • the shaft is made of an aluminum core which can be contacted directly with the lighting means 9 in the lighting area 8 .
  • the extension area 7 is overmoulded with a plastic.
  • the solid material of the shaft 5 itself already absorbs a large part of the heat and distributes it within the shaft so that local overheating in the area of the lighting means 9 cannot occur.

Claims (13)

  1. Bougie électrique (1) constituée d'un socle de lampe (2) et d'un corps de lampe cylindrique (3), dans laquelle le corps de lampe (3) est formé d'une enveloppe de lampe extérieure cylindrique creuse (4) au moins partiellement transparente avec une région d'extrémité distale (6) arrondie et fermée côté extrémité et une tige intérieure (5) s'étendant essentiellement sur la longueur de l'enveloppe de lampe (4), dans laquelle la tige (5) présente une région de prolongement (7) et une région lumineuse (8) côté extrémité avec des agents lumineux (9), et la région lumineuse (8) de la tige (5) est disposée dans la région d'extrémité (6) de l'enveloppe de lampe (4), et la tige (5) est réalisée en matériau solide en tant que corps de refroidissement pour l'absorption de chaleur provenant des agents lumineux (9) et vient en contact thermiquement thermoconducteur avec le socle de lampe (2), dans laquelle la tige (5) est réalisée en deux parties avec un noyau en aluminium enrobé de plastique, dans laquelle la région lumineuse (8) se compose d'aluminium.
  2. Bougie électrique (1) selon la revendication 1, caractérisée en ce que la tige (5) est réalisée dans la région de prolongement (7) en tant que cylindre circulaire et dans la région lumineuse (8) en tant que parallélépipède rectangle avec deux faces frontales carrées.
  3. Bougie électrique (1) selon la revendication 1, caractérisée en ce que les agents lumineux (9) sont disposés sur les faces latérales du parallélépipède rectangle et sur la face frontale distale de la région lumineuse (8) de la tige (5).
  4. Bougie électrique (1) selon une des revendications 1 à 3, caractérisée en ce que la région lumineuse (8) est réalisée de manière plus courte que la région de prolongement (7).
  5. Bougie électrique (1) selon une des revendications 1 à 4, caractérisée en ce que les agents lumineux (9) sont réalisés en tant que LED et les LED sont collées sur la région lumineuse (8) de la tige (5).
  6. Bougie électrique (1) selon une des revendications 1 à 5, caractérisée en ce qu'au moins une rainure d'alimentation (10) pour l'introduction de fils électriques du socle de lampe (2) vers les agents lumineux électriques est réalisée dans la région de prolongement (7) de la tige (5).
  7. Bougie électrique (1) selon une des revendications 1 à 6, caractérisée en ce que le socle de lampe (2) est réalisé en tant que socle E10.
  8. Bougie électrique (1) selon une des revendications 1 à 7, caractérisée en ce que la région lumineuse (8) avec les agents lumineux (9) est entourée dans l'étendue longitudinale d'une couche de fixation transparente (11).
  9. Bougie électrique (1) selon une des revendications 1 à 8, caractérisée en ce que la région de prolongement (7) est entourée dans l'étendue longitudinale d'une couche de fixation décorative (12).
  10. Bougie électrique (1) selon la revendication 8 ou 9, caractérisée en ce que la couche de fixation (11, 12) est réalisée en tant que gaine rétrécissable.
  11. Bougie électrique (1) selon une des revendications 1 à 10, caractérisée en ce que les agents lumineux (9) sont réalisés sur la face frontale distale de la région lumineuse (8) de la tige (5) avec 70 % du flux lumineux des agents lumineux (9) sur les faces latérales de la région lumineuse (8).
  12. Bougie électrique (1) selon une des revendications 1 à 11, caractérisée en ce que les agents lumineux (9) présentent une tension de 6,0 V à 6,3 V, une puissance de 0,5 W à 0,6 W et un flux lumineux de 50 Im à 70 Im.
  13. Bougie électrique (1) selon une des revendications 1 à 12, caractérisée en ce que l'enveloppe de lampe (4) est réalisée en polycarbonate.
EP20167484.3A 2019-04-04 2020-04-01 Bougie électrique Active EP3719385B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202019101941.7U DE202019101941U1 (de) 2019-04-04 2019-04-04 Elektrische Kerze

Publications (2)

Publication Number Publication Date
EP3719385A1 EP3719385A1 (fr) 2020-10-07
EP3719385B1 true EP3719385B1 (fr) 2022-04-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20167484.3A Active EP3719385B1 (fr) 2019-04-04 2020-04-01 Bougie électrique

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Country Link
EP (1) EP3719385B1 (fr)
DE (1) DE202019101941U1 (fr)
DK (1) DK3719385T3 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20306723U1 (de) 2003-04-30 2003-07-03 Kuntze Jan W LED-Kerze mit Batterie-/Akku-Betrieb
DE202005018998U1 (de) 2005-12-05 2006-02-09 Bensch, Marcus Elektrische Kerze mit Ein-/Ausschaltfunktion
DE202006005111U1 (de) 2006-02-09 2006-06-01 Hsu, Wan-Chang, Chung-Li Elektrische Kerze mit induktivem Ladegerät
US8021025B2 (en) * 2009-01-15 2011-09-20 Yeh-Chiang Technology Corp. LED lamp
KR101641860B1 (ko) * 2010-05-12 2016-07-29 엘지이노텍 주식회사 발광소자 어레이, 조명장치 및 백라이트 장치
GB2507386B (en) * 2012-10-26 2020-07-15 Kochanski Jerry A light bulb, a light bulb holder, and a combination of a light bulb and a light bulb holder
CN103527964A (zh) * 2013-10-31 2014-01-22 深圳市中电照明股份有限公司 一种实心led灯泡

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DE202019101941U1 (de) 2019-04-10
DK3719385T3 (da) 2022-07-11
EP3719385A1 (fr) 2020-10-07

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