KR101667610B1 - LED ceiling lights - Google Patents

LED ceiling lights Download PDF

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Publication number
KR101667610B1
KR101667610B1 KR1020150057007A KR20150057007A KR101667610B1 KR 101667610 B1 KR101667610 B1 KR 101667610B1 KR 1020150057007 A KR1020150057007 A KR 1020150057007A KR 20150057007 A KR20150057007 A KR 20150057007A KR 101667610 B1 KR101667610 B1 KR 101667610B1
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KR
South Korea
Prior art keywords
light source
led light
plate
source plate
heat sink
Prior art date
Application number
KR1020150057007A
Other languages
Korean (ko)
Inventor
왕형곤
황철현
Original Assignee
주식회사 포스코건설
주식회사 네오스라이트
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 주식회사 포스코건설, 주식회사 네오스라이트 filed Critical 주식회사 포스코건설
Priority to KR1020150057007A priority Critical patent/KR101667610B1/en
Application granted granted Critical
Publication of KR101667610B1 publication Critical patent/KR101667610B1/en

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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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/03—Ceiling bases, e.g. ceiling roses
    • 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
    • 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
    • F21V17/16—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 deformation of parts; Snap action mounting
    • 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
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
    • 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
    • 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
    • F21Y2101/00—Point-like light sources

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a press-fit-assembled LED ceiling and the like in which a heat-radiating plate and a cover member are coupled and fixed to a cover frame by pressurization. More particularly, The heat dissipation plate is formed on the entire surface of the heat dissipation plate, and a coupling groove for coupling the LED light source plate is formed on the bottom surface of the heat dissipation plate and a fastening hole is formed on the LED light source plate. As the light source plate of the sieve and the LED is kept in close contact and can be firmly coupled,
By improving the structure of the heat sink member, it is possible to quickly absorb and release heat generated from the LED light source plate, thereby prolonging the useful life of the LED light source plate and preventing the LED light source plate from lowering in luminous efficiency The LED light source plate can be firmly coupled to the heat sink plate through a simple rotation of the separately formed fastener, so that the LED light source plate can be coupled quickly and easily, and at the same time, It can be quickly separated and reassembled, which is very effective in terms of work efficiency as well as use and maintenance.

Description

[0001] The present invention relates to an LED ceiling light,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a press-clampable LED ceiling and the like in which a heat radiating plate and a cover member are coupled and fixed to a cover frame by pressurization. More particularly, the present invention improves the heat radiating plate structure, The present invention relates to a press-assembled LED ceiling for easily assembling an LED light source plate as well as rapidly emitting heat from an LED light source plate through a heat sink plate as the coupling structure between a LED and a light source plate is improved.

Generally, in a home such as a single-family house or a multi-family house, an illumination lamp for illuminating the interior is essentially installed, and a lighting lamp for securing excellent interior illumination in an office, an office building, It should be.

Most of these lighting fixtures are fixedly installed or installed in the ceiling of the room. Depending on the installation method, they will be divided into ceiling fixture and ceiling fixture, and they will be divided into ceiling fixture or ceiling fixture depending on the installation type. A fluorescent lamp, an incandescent lamp and an LED according to the type of the lamp built in the lamp.

In this case, a lamp, a socket, a stabilizer, and the like are installed inside a fixed body formed by bending a metal plate in a circular or rectangular shape most commonly, and the bottom of the fixed body is provided with a milky white synthetic resin Or an illumination cover made of glass. Accordingly, when power is applied to the lamp coupled to the fixing body, the lighting light of the lamp is transmitted and diffused through the lower lighting cover, thereby illuminating the entire room.

In addition, in the case of ceiling hanging or the like as described above, it is composed of a fixing plate which is installed in close contact with the ceiling front surface and a single or a plurality of lighting lamps which are fixedly installed and fixed to the indoor side by using wires or the like from the fixing plate. When the lamp or the LED located inside the cover body is turned on, the lighting light is irradiated toward the room through the lower part of the opened cover body . Such ceiling hangers are not used as lighting means for a large area but are used for brightly illuminating a limited area of a local area such as a dining table.

However, the above general ceiling light fixture maintains the basic structure of the fixed body and the light cover for a long time, and almost all of the ceiling light fixtures are similar in shape and design, so that they are tender and have little interior effect.

As a result, the structure of the ceiling light for the near future is being improved, or the design or the form is being changed. It is not merely a combination of the fixed body and the light cover, but a more simplified fixing And a combination structure of multi-divided illumination covers for the main body, and so on.

In addition, most of the illuminating lamps function to illuminate the room through the lower side of the fixed body, and the illuminating light of the inner lamp is diffused through the lower surface of the illuminating lamp. As for the recent improved illuminating lamp, So that the light of the inner lamp is transmitted through the decorative plate to improve the decorative property of the illumination lamp.

That is, through the side plate of the fixed body, the penetrating portion is formed with a transmissive decorative plate such as milky white acrylic from the inside of the fixing body, and when the internal lamp is lit, the decorative plate is indirectly lit, It is producing a lighting effect.

However, since the ceiling lamp having the above-described decorative lighting unit is required to pass through the side plate to which the decorative plate is attached, the appearance is unfavorable. In addition, the user can use the decorative plate illuminated by the translucent decorative plate attached to the inner surface of the side plate, It can be predicted that it will be done. Therefore, it is not possible to expect freshness and differentiation in comparison with the conventional illumination lamp because the curiosity is induced or the interest in the lighting state is greatly reduced.

In addition, the ceiling light of various structures as described above has a problem that the economical efficiency is not high because the decorative or the beauty is not so high as compared with the high production cost.

In addition, the conventional ceiling light fixture has a very complicated and various structure for combining and separating the illumination cover for the fixture main body, which is very inconvenient to use. In the case of such an illumination cover, And the lighting cover must be connected to the fixed body after the fixation of the fixture body in the process of installing the lighting fixture. Therefore, it is necessary to perform a conventional method of combining and separating The ceiling lights are not only inconvenient to use, but also cost a lot of production costs, resulting in extremely low productivity and productivity.

That is, in the case of the rotary lever structure, the lever is exposed from the room, so that the appearance is not simple or beautiful. Also, the pressing structure by the spring elastic sphere has a disadvantage in that the elastic sphere is entirely exposed to the room. The structure of the structure is exposed to the inside of the room, and the working time due to assembly and disassembly is prolonged.

In addition, the conventional coupling means as described above for the illumination cover is inconvenient to use both hands in the process of reassembling or mounting the illumination cover. In a state in which the illumination cover is supported from the bottom by one hand It is necessary to operate the binding means of each other by using the other hand and to fix the lighting cover to the fixing body so that the operation is very cumbersome and difficult and the lighting cover is dropped to the floor and is damaged or injured Are frequently occurring.

Accordingly, the applicant of the present invention has proposed a cover member made of a heat-radiating plate body having upper and lower LED light source plates and a cover member made of a translucent material by using a cover frame made by using a frame member of an extrusion molding as in Patent Application No. 0049906 The heat radiating plate and the cover member are firmly coupled and fixed to each other through the elastic force of the pressing force by the pressing force without the separate fastening means with respect to the cover frame,

It is very easy and quick to assemble and manufacture various types of lighting lamps such as a ceiling direct lighting lamp, a ceiling lighting lamp or a wall, etc., and it is easy to separate and cover the cover member and the LED light source plate, And a press-clamped LED ceiling having a simple fastening structure that dramatically simplifies aspects of maintenance.

However, since the heat sink plate and the LED light source plate are coupled to each other by using fastening bolts or the like in the above-described pressurized assembly type LED ceiling and the like, the conventional assembly and manufacturing processes are cumbersome and, in the case of the heat sink plate, It is impossible to effectively absorb and emit the heat generated by the light source plate, thereby lowering the lifetime of the LED light source plate and lowering the luminous efficiency.

That is, a conventional ceiling has a structure in which each component is assembled by using bolts or the like, and in order to improve it, the plate is made in a pressurized assembly form, or in the case of an LED light source plate adhering to the bottom surface of the heat sink, It is difficult to expect a satisfactory efficiency because it takes a lot of time to assemble and assemble each other because they have a structure that mutually connect using a large number of fastening bolts.

In addition, since the heat-radiating plate is formed in a flat plate shape, the adhesion to the LED light source is excellent, but the heat radiation area is minimized and an excellent heat radiation effect can not be expected. Thus, the life of the LED light source plate is shortened, And the efficiency is lowered.

SUMMARY OF THE INVENTION The present invention has been made to solve the problems described above, and it is an object of the present invention to provide a heat sink for an LED light source plate on both sides of a heat sink plate to be extruded, The coupling grooves for coupling the LED light source plates and the coupling holes are formed in the LED light source plates so that the heat sinks and the LED light source plates can be tightly coupled with each other through the rotation of the separate fasteners,

The present invention provides a press-clamped LED ceiling which has an improved fastening structure for easily coupling and separating the heat radiating plate and the LED light source plate and of increasing the heat radiation efficiency of the LED light source plate by the heat sink plate. will be.

According to an aspect of the present invention, there is provided a light emitting device comprising: a heat radiating plate having an LED light source plate fixed on a bottom surface of an upper side of a cover frame to be coupled to each other; The heat radiating plate body is arranged to be parallel to the bulged portion such that an elongated ball protruding from the cover frame is protruded from both sides of the lower portion of the heat radiating plate and an insertion groove is formed in the lower portion of the cover frame. A heat radiating concavo-convex portion is formed in the longitudinal direction of the heat radiating plate and a dovetail groove is formed on the bottom surface of the heat radiating plate. A fastening hole is formed in the LED light source plate at a position corresponding to the dovetail groove, The heat sink plate and the LED light source plate are closely fixed to each other by rotation of the sphere .

According to the present invention, it is possible to quickly absorb and release heat generated from an LED light source plate by improving the structure of a heat sink, thereby prolonging the useful life of the LED light source plate and preventing a decrease in luminous efficiency of the LED light source plate And the LED light source plate can be firmly coupled to the heat sink through a simple rotation of the separately formed fastener while keeping the LED light source plate in close contact with the heat sink plate. Thus, the LED light source plate can be fast and simple to assemble, When replacing or checking, it can be quickly separated and reassembled, which is very effective in terms of work efficiency as well as use and maintenance.

FIG. 1 is a perspective view of an entirely separated perspective view of an LED ceiling and the like according to the present invention.
2 is an overall sectional view of an LED ceiling and the like according to the present invention
FIG. 3 is a perspective view showing an overall divided sectional view of an LED ceiling and the like according to the present invention
4 is an enlarged cross-sectional view of a heat sink member such as an LED ceiling according to the present invention
5 is an enlarged perspective view of a fastener such as an LED ceiling according to the present invention.
FIG. 6 is a schematic view illustrating a heat sink plate and an assembly diagram for a light source plate according to the present invention.
FIG. 7 is a perspective view of a heat sink plate and an assembly plate for a light source plate according to the present invention,
8 is an enlarged perspective view of a fastener for an LED ceiling or the like according to the present invention.
9 is an explanatory view of an operation of a fastener such as an LED ceiling according to the present invention

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor may properly define the concept of the term to describe its invention in the best possible way And should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is an overall sectional view of an LED ceiling according to the present invention, FIG. 3 is an overall sectional view of an LED ceiling according to the present invention, and FIG. 4 is a cross- FIG. 5 is an enlarged perspective view of a fastener such as an LED ceiling according to the present invention. FIG.

As shown in the drawing, an LED ceiling according to the present invention can be manufactured in a similar manner as the LED ceiling of the prior art by using the cover frame 10, which is formed into a rectangular shape or square shape on a plane using an extrusion molding, And the LED light source plate 40 is closely fixed to the bottom surface of the heat sink plate 20. [

At this time, the cover frame 10 is formed with a lower opening type insertion groove portion 11, and at one side of the inner surface of the insertion groove portion 11, The tip end of the cover member 30 inserted into the insertion groove 11 is inserted and inserted outwardly while interfering with the tumbler rods 50 and 50 ' The cover member 30 is continuously pressed by the restoring force of the elastic rods 50 and 50 'so that the cover member 30 can be maintained in a state of being coupled to the cover frame 10.

When the heat radiating plate 20 is pressed against the cover frame 10 at both sides of the bottom of the heat radiating plate 20, the protruding portions 21 and 21 'protruding downward along the longitudinal direction are formed. The cover frame 10 and the heat sink 20 are engaged and fixed while the elastic pieces 21 and 21 'are elastically locked to the cover frame 10.

In the present invention, the heat radiating concave-convex portions 22 and 22 'are formed on the heat radiating plate 20 so as to be parallel to the bulge portions 21 and 21' Quot; T "grooves < / RTI > are formed on the bottom surface of the heat radiating plate 20 having the heat radiating convex portions 22 and 22 ' The dovetail grooves 23 and 23 'are formed.

The fitting portions 24 and 24 'are formed on one side surface of the bulb portions 21 and 21' of the heat sink plate 20 so as to correspond to the thickness of the LED light source plate 40, When the LED light source plate 40 is inserted using the fitting groove 24 or 24 ', the upper surface of the LED light source plate 40 is in a state of being in close contact with the bottom surface of the heat sink 20.

At this time, the LED light source plate 40 is formed with a plurality of through holes 41 and 41 'corresponding to the dovetail grooves 23 and 23' 60 and 60 'are inserted into the fastening holes 41 and 41' and the dovetail grooves 23 and 23 ', when the fastening holes 60 and 60' are rotated by 90 °, The body 20 and the LED light source plate 40 are tightly fixed to each other.

The fasteners 60 and 60 'have a rectangular fitting portion 61 that is inserted into the dovetail grooves 23 and 23' in a planar shape, and the fastening portions 60 and 60 ' A pressing portion 62 having a larger area than that of the fastening holes 41 and 41 'is formed on the lower side and a grip portion 63 is protruded from the bottom of the pressing portion 62 .

At this time, since the dovetail grooves 23 and 23 'form the inclined portions 25 and 25' on the inner bottom surface, the fitting and fixing portions 61 of the fastening tools 60 and 60 ' So that the LED light source plate 40 can be closely fixed to the light source plate 40 by interfering with the inclined portions 25 and 25 ' The light source plate 40 is prevented from interfering with the inner surface of the dovetail grooves 23 and 23 'as well as the smooth rotation of the fasteners 60 and 60' So that it is possible to more firmly fix and secure each other.

6, when the LED light source plate 40 is slidably inserted using the fitting grooves 24 and 24 'of the heat sink 20, due to the positions of the fitting grooves 24 and 24' 7 and 8, the LED light source plate 40 may be in close contact with the upper surface of the LED light source plate 40 on the bottom surface of the heat sink 20. In this state, 41 of the fastening tool 60 and 60 'after inserting the fitting fixing part 61 of the fastening tool 60 or 60' into the fastening tool 60 or 60 ' So that a firm and firm fixation between them can be achieved.

In this case, even if the fitting grooves 24 and 24 'are not provided, the LED light source plate 40 may be brought into close contact with the bottom surface of the heat sink 20, and then they may be tightly fixed by using the fasteners 60 and 60' The fitting grooves 24 and 24 'of the heat sink 20 may be used to increase the contact area of the LED light source plate 40 and to increase the contact area of the LED light source plate 40 with respect to the heat sink 20 It is also possible to apply it as needed or not to use it.

9, the grip portions 63 of the fastening tools 60 and 60 'are positioned so as to coincide with the longitudinal direction of the dovetail grooves 23 and 23' of the heat sink plate 20 After the fitting securing portion 61 of the fastening tool 60 or 60 'is inserted into the dovetail groove 23 or 23' through the fastening hole 41 or 41 ', the grip portion 63 Is turned 90 degrees so as to be perpendicular to the longitudinal direction of the dovetail grooves 23 and 23 ', the inclined portions 25 and 25' of the dovetail grooves 23 and 23 ' The curved portions 64 of the fasteners 60 and 60 are interdigitated with each other to strongly push up the fasteners 60 and 60 ' The LED light source plate 40 can be maintained in a tightly fixed state on the bottom surface of the heat sink 20 because the LED light source plate 62 is in close contact with the bottom surface of the LED light source plate 40,

The heat dissipating convex portions 22 and 22 formed on the heat sink plate 20 allow the heat sink plate 20 and the LED light source plate 40 to be arranged in parallel to each other, Since the air is freely communicated along the lines, the heat dissipation action for the LED light source plate 40 and the heat absorption for the heat absorbed by the heat sink 20 occur. The heat radiating convex portions 22 and 22 'greatly increase the heat dissipating area, thereby exerting a more excellent heat dissipating effect.

The heat sink plate 20 in a state in which the LED light source plate 40 is closely fixed to the cover frame 10 in such a simple process can be press-fastened to the cover frame 10 by using the bulges 21 and 21 ' The LED light source plate 40 and the fasteners 60 and 60 'will be exposed from the indoor side when the cover member 30 in the state of being coupled to the curve frame 10 is separated and removed in a state where a ceiling or the like of the LED light source plate 40, The LED light source plate 40 can be easily separated from the LED light source plate 40 by rotation of the fastening tools 60 and 60 '. Thus, when the LED light source plate 40 needs to be inspected or replaced, simple and quick work can be performed.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the present invention as defined by the appended claims. Examples should be understood.

10: cover frame 11: insertion groove
20: heat sink body 21, 21 '
22, 22 ': heat dissipating convex portions 23, 23': dovetail groove
24, 24 ': fitting groove portions 25, 25': inclined portion
30: cover member
40: LED light source plate 41, 41 ': fastening hole
50,50 ': Tan Jibong
60, 60 ': fastener 61:
62: pressure-applying portion 63:
64:

Claims (5)

The heat radiating plate 20 having the LED light source plate 40 fixed to the bottom of the cover frame 10 is pressed and joined to each other and the cover member 30 is pressed to the lower side of the cover frame 10, 21 and 21 are formed on both sides of the lower portion of the heat sink 20 so as to be resiliently engaged with the cover frame 10, The heat sink 20 has heat dissipating recessed portions 22 and 22 'on the entire surface of the heat sink 20 so as to be parallel to the annular portions 21 and 21' 23 ', 23' are formed on the bottom surface of the heat sink plate 20 and the LED light source plate 40 is formed with a position corresponding to the dovetail grooves 23, 23 ' So that the heat radiating plate 20 and the LED light source plate 40 are closely fixed to each other by rotating the fastening holes 60 and 60 ' (60) and 60 ' And a press fitting portion 62 is formed on the lower side of the fitting and fixing portion 61 so as to be spaced apart from each other and a bottom portion of the press fitting portion 62 is provided with a grip portion 63 are protruded and the fitting and fixing part 61 is engaged with the dovetail groove 23 by the rotation of the grip part 63 in a state where the fitting fixing part 61 is inserted into the dovetail groove 23, And the pressing and adhering portion 62 is in contact with the bottom surface of the LED light source plate 40 and is pressed and fixed between the heat sink plate 20 and the LED light source plate 40, In a ceiling or the like,
The heat sink 20 has a fitting groove 24 or 24 'corresponding to the thickness of the LED light source plate 40 protruding from the inner surface of the ball joints 21 and 21' And the LED light source plate (40) is slidably inserted into the heat sink body (20) by the heat sink member (24 ').
The method according to claim 1,
The dovetail grooves 23 and 23 'of the heat sink body 20 have inclined portions 25 and 25' formed on the inner bottom surface thereof and are inserted into the dovetail grooves 23 and 23 ' The fitting fixing portion 61 of the first and second fixing portions 60 and 60 'interferes with the inclined portions 25 and 25' and the fixing force of the LED light source plate 40 to the heat radiation plate 20 is increased. And a press-clamped LED ceiling having an improved fastening structure.
The method according to claim 1,
The fitting portion 61 of the fastening tool 60 or 60 'forms the curved portion 64 in the direction toward the pressing portion 62 so that the curved portion 64 is inserted into the dovetail groove 23, And the LED light source plate (40) is tightly fixed to the heat sink (20) while being interfered with the light source (23 '). delete delete
KR1020150057007A 2015-04-23 2015-04-23 LED ceiling lights KR101667610B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150057007A KR101667610B1 (en) 2015-04-23 2015-04-23 LED ceiling lights

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Application Number Priority Date Filing Date Title
KR1020150057007A KR101667610B1 (en) 2015-04-23 2015-04-23 LED ceiling lights

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KR101667610B1 true KR101667610B1 (en) 2016-10-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102273174B1 (en) * 2020-01-17 2021-07-06 시그마엘이디 주식회사 LED moving rail lighting unit for easy mounting and removal and position adjustment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200330066Y1 (en) * 2003-07-23 2003-10-11 태주공업 주식회사 Combination structure of cover for ceiling light
JP2007173128A (en) * 2005-12-22 2007-07-05 Matsushita Electric Works Ltd Luminaire
KR20100000120U (en) * 2008-06-26 2010-01-06 이효원 Assembling apparatus of electric lamp case and electric lamp cover

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200330066Y1 (en) * 2003-07-23 2003-10-11 태주공업 주식회사 Combination structure of cover for ceiling light
JP2007173128A (en) * 2005-12-22 2007-07-05 Matsushita Electric Works Ltd Luminaire
KR20100000120U (en) * 2008-06-26 2010-01-06 이효원 Assembling apparatus of electric lamp case and electric lamp cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102273174B1 (en) * 2020-01-17 2021-07-06 시그마엘이디 주식회사 LED moving rail lighting unit for easy mounting and removal and position adjustment

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