KR200448185Y1 - Illumination light and connection support device - Google Patents

Illumination light and connection support device Download PDF

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Publication number
KR200448185Y1
KR200448185Y1 KR2020090012306U KR20090012306U KR200448185Y1 KR 200448185 Y1 KR200448185 Y1 KR 200448185Y1 KR 2020090012306 U KR2020090012306 U KR 2020090012306U KR 20090012306 U KR20090012306 U KR 20090012306U KR 200448185 Y1 KR200448185 Y1 KR 200448185Y1
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KR
South Korea
Prior art keywords
coupled
support
socket
connection
lighting
Prior art date
Application number
KR2020090012306U
Other languages
Korean (ko)
Inventor
박창수
Original Assignee
박창수
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 박창수 filed Critical 박창수
Priority to KR2020090012306U priority Critical patent/KR200448185Y1/en
Application granted granted Critical
Publication of KR200448185Y1 publication Critical patent/KR200448185Y1/en

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Classifications

    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • 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
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • 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
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The present invention not only exerts the conventional lighting lamp cover to cover the lighting device, but completely deviates from the method of combining the lighting device with the lighting device without the lighting cover, and can achieve an effect equal to or higher than that of the existing lighting cover. The heat dissipation of the lighting device can be made smoothly, and even when the lighting lamp is replaced, it is cost effective by simply replacing the lighting device with a new one without replacing the light pole, and the load of the lighting device is socketed. It provides a lamp and a connection support device used therein to prevent the concentration on the part to induce load distribution to be stably fixed to the column.

Description

Lighting and connection support device used for it {ILLUMINATION LIGHT AND CONNECTION SUPPORT DEVICE}

The present invention relates to a lamp and a connection support device used therein. More particularly, the present invention relates to a lamp and a connection support device used so that the lamp can be easily replaced by a lighting device instead of a conventional lamp. .

In general, lighting such as street light or security light is widely used as an apparatus to be installed in a roadside or a dark place to provide lighting in the dark when it is dark.

1 and 2 are views showing a conventional lamp.

As shown in FIGS. 1 and 2, in the related art, a support structure 2 is installed on a pillar 1, and a luminaire 3 is installed at an end of the support structure 2. 5) and a structure in which the lighting device 4, such as a light bulb, an LED lighting device, or a halogen lamp, is mounted inside the lamp cover 5, as a basic configuration.

The support structure (2) is fastened to the pillar (1) by a fastener (B) or the like, and the luminaire (3) installed at the end of the support structure (2) is provided with a socket (7) to illuminate the socket (7) The connection part 6 of the device 4 is configured to be connected.

In addition, the lighting device 3 is provided with a predetermined coupling structure so that the lighting lamp cover 5 covering the lighting device 4 can be coupled.

The lamp cover 5 has been mounted to protect the lighting device 4 therein, to allow the light generated from the lighting device 4 to diffuse to the outside, and to produce a beautiful appearance in terms of decoration.

However, in the case of a conventional lighting lamp, since the lamp cover 5 completely surrounds the lighting device 4, the heat generated from the lighting device 4 is inevitably very difficult to radiate to the outside. There was a problem that the lifespan can not be reduced.

In addition, the predetermined coupling structure provided in the lamp 3 has a coupling structure that is applied only to the corresponding lamp cover 5, rather than having a standard coupling structure that all the lamp cover can be coupled.

That is, in the decorative aspect, the support structures of various shapes may be combined with the pillars, and the lighting fixtures corresponding to the supporting structures and the lighting lamp covers suitable for the lighting fixtures may be manufactured in various forms, and the coupling structures may be provided differently.

Therefore, in the related art, when a lamp needs to be replaced, a problem arises in that the new support structure having a luminaire suitable for a lamp cover of the lamp to be replaced is completely replaced.

In other words, if the lamp needs to be newly replaced, the supporting structure itself including the luminaire must be completely replaced, or in the case of a one-piece column lamp in which the supporting structure and the column are not separated, the lamp column itself must be completely replaced. There was a problem.

In addition, since the lamp cover 5 completely surrounds the lighting device 4, the heat generated from the lighting device 4 is inevitably difficult to radiate to the outside, and thus the life of the lighting device 4 is inevitably reduced. There was a problem.

The present invention not only exerts the conventional lighting lamp cover to cover the lighting device, but completely deviates from the method of combining the lighting device with the lighting device without the lighting cover, and can achieve an effect equal to or higher than that of the existing lighting cover. The heat dissipation of the lighting device can be made smoothly, and even when the lighting lamp is replaced, it is cost effective by simply replacing the lighting device with a new one without replacing the light pole, and the load of the lighting device is socketed. It provides a lamp and a connection support device used therein to prevent the concentration on the part to induce load distribution to be stably fixed to the column.

The lamp according to the present invention, the one end is fixed to the ground and the other end of the lamp pole for the socket portion and the support structure for the electrical connection is formed; LED lighting unit for providing an LED lighting, a body portion to which the LED lighting unit is coupled to one side, the lighting cover is made of transparent or translucent so as to cover the LED lighting unit is coupled to the body portion and the light of the LED lighting unit is transmitted to the outside Lighting device comprising a; And a connection support device in which one side is electrically connected to the lighting device and the other side is connected to the socket part of the column and supported by the support structure so that the lighting device is electrically connected to and supported by the column. .

Also preferably, the lighting device is provided on the opposite side of the side coupled to the LED lighting portion of the body portion is characterized in that it comprises a coupling portion for coupling with the connection support device.

Also preferably, the connection support device includes a body portion, a body coupling portion provided at one end of the body portion and detachably coupled to the coupling portion, and provided at the other end of the body portion and connected to the socket portion to be coupled. It characterized in that it comprises a connection base.

Also preferably, the connection support device further comprises a support part formed to correspond to the support structure of the column, and provided to support a state in which the connection base is coupled to the socket part.

Also preferably, the support structure of the end of the column has a groove structure spaced apart from the socket portion by a predetermined distance and formed along the circumference thereof, and the support portion is spaced apart from the connection base by a predetermined distance to form a wall along the circumference thereof. It is provided so as to be formed in a structure that can be coupled to the groove structure.

Also preferably, the connection base is provided in a seating portion having a space having a predetermined size formed by the support portion, and the socket portion provided at the end of the column is provided in a protrusion portion formed to protrude by the support structure. The connection base is coupled to the socket to be electrically connected, and the protrusion is coupled to and seated on the seat, and is configured to support a coupling force to the socket of the connection base.

On the other hand, the connection support device used for the lighting according to the present invention, the LED lighting unit for providing the LED lighting, the body portion is coupled to the LED lighting unit on one side, the body portion is coupled to cover the LED lighting unit Claims [1] A connection support device for use in an illumination lamp such that an illumination device including an illumination cover made of transparent or translucent so that light of an LED illumination part is transmitted to the outside is electrically connected to the column and coupled thereto, the body portion; A body coupling part provided at one end of the body part to be detachably coupled to a coupling part provided at an opposite side of the side of the LED lighting part of the body part; And a connection base coupled to the socket part provided for the electrical connection to the column to allow electrical connection and support to be made.

Also preferably, the connection base is characterized in that it further comprises a support coupled to the column to support the state coupled to the socket portion.

Also preferably, the socket portion provided at the end of the column is provided with a protrusion formed to protrude by the support structure, and the connection base is provided with a seating portion having a space having a predetermined size formed by the support portion. The connection base is coupled to the socket to be electrically connected, and the protrusion is coupled to and seated on the seat, and is configured to support a coupling force to the socket of the connection base.

The lighting lamp and the connection supporting device used in the present invention are conventionally equipped with the existing lighting lamp cover while constituting the lighting lamp without the lamp cover by completely eliminating the way that the lamp cover is coupled to the luminaire while covering the lighting device. Not only can it achieve more than equivalent effect, but it also enables the heat dissipation of the lighting device to be smooth. Also, when replacing the lighting, it is possible to easily replace only the lighting device with a new one without replacing the light pole. It has an effect, it is possible to prevent the load of the lighting device is concentrated only in the socket portion to induce load distribution to be stably fixed to the column.

An embodiment of a lamp and a connection support device used therein according to the present invention will be described in more detail with reference to the accompanying drawings.

First, a lighting lamp according to an embodiment of the present invention will be described with reference to FIGS. 3 and 4.

3 is a view showing a lamp according to an embodiment of the present invention, Figure 4 shows an exploded perspective view of the lamp shown in FIG.

As shown in FIGS. 3 and 4, the lamp according to the exemplary embodiment of the present invention includes a column 10, an illumination device 40 for generating illumination, and the illumination device 40 to the column 10. It comprises a connection support device 60 for fixing while being electrically connected.

The lamp 10 is a structure for supporting a lighting device having one end fixed to the ground and a predetermined lamp 30 is provided on the other end.

The lamp 30 is formed with a socket portion 32 and predetermined support structures 34 and 36 for electrical connection of the lighting device 40, and is configured to have a predetermined shape for a beautiful appearance.

The lighting device 40 is connected to the lamp 30 of the lamp 10 via the connection support device 60 is coupled.

As shown in FIG. 4, the connection support device 60 includes a substantially cylindrical body portion 61 and a connection base (not shown) and a support portion 65 at one end of the body portion 61. The other end is provided with a body coupling portion 62 and a flange portion 63, a space of a predetermined size so that the power supply (Switched-Mde Power Supply (SMPS)) is seated inside the body portion 61 The space part 66 which has is provided.

Detailed configuration and function of each component will be described later.

On the other hand, with reference to Figures 5 and 6 specific details about the lighting device 40, such as a lamp according to an embodiment of the present invention and the connection support device 60 for connecting and supporting the lighting device 40 to the column, etc. We explain concrete matter about).

5 is a view showing in more detail with respect to the structure of the lighting device and the connection support device shown in Figure 4, Figure 6 is a side cross-sectional view of the coupling structure of the lighting device and the connection support device shown in FIG. .

5 and 6, the lighting device 40 includes an LED lighting unit 42 that provides LED lighting, a body 41 to which the LED lighting unit 42 is coupled to one side, and the body unit ( 41 is coupled to cover the LED lighting unit 42 and comprises a light cover 46 made of transparent or translucent so that the light of the LED lighting unit 42 is transmitted to the outside.

The body portion 41 supports the LED lighting portion 42 and is coupled to the lighting cover 46, the connection support device 60 on the opposite side of the side of the LED lighting portion 42 of the body portion 41 is coupled Coupling portion 45 is preferably provided to engage with the body coupling portion 62 of the).

Protruding portion 43 is formed at a side edge portion of the body portion 41, and the projection cover 43 is inserted into the groove portion 46a and the groove portion 46a into which the protrusion 43 is inserted into the lighting cover 46. ) Is preferably provided with a locking portion 46b to be fitted and fixed by rotation.

Therefore, when the groove portion 46a of the lighting cover 46 is inserted into the protrusion 43 of the body portion 41 and rotates a predetermined angle along the edge of the body portion 41, the protrusion 43 is connected to the locking portion 46b. While being caught, the lighting cover 46 is coupled to the body portion 41 to be fixed.

The lighting cover 46 may be manufactured in various shapes, and may be manufactured in a semicircle shape as shown in FIGS. 5 and 6, and variously manufactured to have a beautiful appearance in accordance with requirements in consideration of decorative aspects of a lighting lamp. Can be.

As described above, the entire lighting device 40 including the LED lighting part 42 and the lighting cover 46 coupled to the body part 41 replaces the existing lighting device and the lighting lamp cover covering the lighting device. It can have a beautiful appearance while providing lighting with an equivalent effect or more.

In addition, it is preferable that a reflecting plate is formed at a portion of the body portion 41 to which the LED lighting unit 42 is coupled so that the light generated from the LED lighting unit 42 is reflected and illuminated to the outside. As shown in the coupling portion 45 of the body portion 41 is provided with a heat dissipation portion (P) is mounted to the mounting portion 44 to heat the heat generated from the LED lighting unit 42 to the outside By allowing the heat of the LED lighting unit 42 to be effectively released through the heat radiating unit P, it is possible to improve the life and the lighting efficiency of the LED lighting unit 42.

Meanwhile, as shown in FIGS. 5 and 6, the connection supporting device 60 includes a trunk portion 61, and one end of the trunk portion 61 is provided on the socket part 32 of the columnar pillar (see FIG. 4). The support base 65 is coupled to or supported by the connection base 64 and the support structure (34, 36, see Fig. 4) and the like to make an electrical connection, the other end of the body portion 61 A body coupling portion 62 and a flange portion 63 coupled to the coupling portion 45 provided on the body portion 41 of the lighting device 40 are formed, and a power supply device is formed inside the body portion 61. A space portion 66 (see FIG. 4) having a space having a predetermined size is provided to seat S.

Here, the coupling structure between the connection support device 60 and the lamp 30 of the column 10 will be described in more detail.

As shown in FIG. 4, the luminaire 30 is preferably configured such that the socket portion 32 and the support structure 34 are formed with the groove structure 36 and the protrusion 34 formed to protrude by the groove structure 36. Do.

The groove structure 36 is spaced apart from the socket part 32 by a predetermined distance and formed along the circumference thereof, and the socket part 32 is preferably provided at the center of the protrusion part 34.

And, as shown in Figure 5, the connection support device 60 is provided with a connection base 64 coupled to the socket portion 32 and electrically connected, spaced apart from the connection base a predetermined distance from the wall along the circumference Support portion 65 is provided to form a.

The support portion 65 forms a wall and is provided with a seating portion A having a space of a predetermined size therein, and preferably, the connection base 64 is provided at the center of the seating portion A. .

Therefore, when the connection support device 60 is coupled to the luminaire 30, the connection base 64 is coupled to the socket portion 32 to be electrically connected, and at the same time, the support portion 65 is coupled to the groove structure 36. At this time, the protrusion 34 is coupled to the seating portion (A) while being engaged.

As described above, the connection base 64 is coupled to the socket portion 32 while the support portion is coupled to the support structure, so that the coupling between the socket portion 32 and the connection base 64 can be more stably supported. When the load of the lighting device coupled to the connection support device 60 is heavy, the support part is coupled to the support structure to increase the support force, thereby distributing the load concentrated on the socket part 32 and the connection base 64, thereby making it stable. Stability can be secured by enabling the support.

On the other hand, the body portion 61 of the connection support device 60 may be made in a variety of shapes, it is preferable to have a substantially cylindrical shape. And the body coupling portion 62 and the coupling portion 45 may be coupled by various coupling methods, as shown in Figures 5 and 6 is preferably coupled to be detachable by the screw coupling method.

A hole (H) is formed in the center of the portion provided with the coupling portion 45 of the body portion 41 so that the power supply device S seated on the LED lighting portion 42 and the connection supporting device 60 is electrically connected to each other. The connection cord to be connected to such that it can be arranged to pass through the hole (H).

The flange portion 63 is a portion provided to protrude along the circumference of the body portion 61 of the connection support device 60 when the body coupling portion 62 is coupled to the coupling portion 45 when the coupling is completed when the The end portion of the coupling portion 45 is in contact with the flange portion 63 to achieve a stable limit of the coupling and the body coupling portion 62 is a portion to stably support the state coupled to the coupling portion 45. .

The connection support device as described above can be applied directly to the existing luminaire, that is, to the column having a lamp and support structure having a socket base and a support structure corresponding to the structure of the connection base structure and the support of the connection support device according to the present invention It is possible to connect the connection support device according to the present invention without needing to replace it with a new light pole, and by simply connecting the lighting device to the connection support device, the lighting lamp which can replace the lighting lamp with the lamp cover only by the lighting device without the lamp cover. There are features that can be configured.

1 is a view showing an example of a conventional lamp, Figure 2 is an exploded perspective view of the conventional lamp shown in FIG.

3 is a view showing a lamp according to an embodiment of the present invention, Figure 4 is an exploded perspective view of the lamp shown in FIG.

5 is an exploded perspective view showing in detail the structure of the lighting device and the connection support device of the lamp shown in Figure 4, Figure 6 is a side specifically shown with respect to the coupling structure of the lighting device and the connection support device shown in FIG. It is a cross section.

Claims (9)

A column having one end fixed to the ground and a socket structure and a support structure for electrical connection formed at the other end thereof; LED lighting unit for providing an LED lighting, a body portion to which the LED lighting unit is coupled to one side, the lighting cover is made of transparent or translucent so as to cover the LED lighting unit is coupled to the body portion and the light of the LED lighting unit is transmitted to the outside Lighting device comprising a; And A connection support device, one side of which is electrically connected to the lighting device and the other side of which is electrically connected to the socket part of the column and is coupled to and supported by the support structure so that the lighting device is electrically connected to and supported by the column; Lighting lamp comprising a. The method of claim 1, wherein the lighting device, Illumination lamp characterized in that it comprises a coupling portion provided on the opposite side of the side coupled to the LED lighting portion of the body portion and coupled to the connection support device. The method of claim 2, wherein the connection support device, Torso, A body coupling portion provided at one end of the body portion to be detachably coupled to the coupling portion; And a connection base provided at the other end of the body portion to be connected to and coupled to the socket portion. According to claim 3, The connection support device, And a support part formed to correspond to the support structure of the column and provided to support a state in which the connection base is coupled to the socket part. The method of claim 4, wherein The support structure of the end of the column has a groove structure formed along the periphery spaced apart from the socket portion a predetermined distance, The support unit is provided with a spaced apart from the connection base a predetermined distance to form a wall along the periphery, characterized in that formed in a structure that can be coupled to the groove structure. The method of claim 4, wherein The connection base is provided in the seating portion having a space of a predetermined size formed by the support portion, The socket portion provided at the end of the column is provided with a protrusion formed to protrude by the support structure, And the connection base is coupled to the socket to be electrically connected, and the protrusion is coupled to and seated on the seat to support a coupling force to the socket of the connection base. LED lighting unit for providing an LED lighting, a body portion to which the LED lighting unit is coupled to one side, the lighting cover is made of transparent or translucent so as to cover the LED lighting unit is coupled to the body portion and the light of the LED lighting unit is transmitted to the outside In the connection support device used for a lighting device such that the lighting device including a electrical connection is coupled to the column, Torso; A body coupling part provided at one end of the body part to be detachably coupled to a coupling part provided at an opposite side of the side of the LED lighting part of the body part; A connection base coupled to the socket part provided for electrical connection to the column to allow electrical connection and support to be made; And A support portion provided at the other end of the body portion and coupled to the column to support the connection base coupled to the socket portion; Connection support device used for a lamp, characterized in that it comprises a. delete The method of claim 7, wherein The socket portion is provided with a protrusion that protrudes at the end of the column, The connection base is provided in the seating portion having a space of a predetermined size formed by the support, And the connection base is coupled to the socket to be electrically connected, and the protrusion is coupled to and seated on the seat to support a coupling force to the socket of the connection base.
KR2020090012306U 2009-09-18 2009-09-18 Illumination light and connection support device KR200448185Y1 (en)

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KR2020090012306U KR200448185Y1 (en) 2009-09-18 2009-09-18 Illumination light and connection support device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101362267B1 (en) * 2013-03-11 2014-02-12 조현정 Street light
KR101651110B1 (en) * 2015-12-01 2016-08-25 삼신엘이디(주) Socket type rotatable LED lighting apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006244725A (en) * 2005-02-28 2006-09-14 Atex Co Ltd Led lighting system
JP2007026685A (en) 2005-07-12 2007-02-01 Abel Systems Inc Adapter for illumination device
JP2008053058A (en) 2006-08-24 2008-03-06 Nec Lighting Ltd Adapter for lamp corresponding to gx53 socket
KR100862540B1 (en) * 2008-04-25 2008-10-09 이위재 Led lamp for street light

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006244725A (en) * 2005-02-28 2006-09-14 Atex Co Ltd Led lighting system
JP2007026685A (en) 2005-07-12 2007-02-01 Abel Systems Inc Adapter for illumination device
JP2008053058A (en) 2006-08-24 2008-03-06 Nec Lighting Ltd Adapter for lamp corresponding to gx53 socket
KR100862540B1 (en) * 2008-04-25 2008-10-09 이위재 Led lamp for street light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101362267B1 (en) * 2013-03-11 2014-02-12 조현정 Street light
KR101651110B1 (en) * 2015-12-01 2016-08-25 삼신엘이디(주) Socket type rotatable LED lighting apparatus

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