KR200473869Y1 - Let light for showcase - Google Patents

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Publication number
KR200473869Y1
KR200473869Y1 KR2020130000622U KR20130000622U KR200473869Y1 KR 200473869 Y1 KR200473869 Y1 KR 200473869Y1 KR 2020130000622 U KR2020130000622 U KR 2020130000622U KR 20130000622 U KR20130000622 U KR 20130000622U KR 200473869 Y1 KR200473869 Y1 KR 200473869Y1
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KR
South Korea
Prior art keywords
led
board
hole
case
diffusion lens
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KR2020130000622U
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Korean (ko)
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KR20140004543U (en
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손근배
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손근배
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Priority to KR2020130000622U priority Critical patent/KR200473869Y1/en
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    • 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
    • F21V21/34—Supporting elements displaceable along a guiding element
    • 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
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/038—Lighting devices intended for fixed installation of surface-mounted type intended to be mounted on a light track
    • 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F21S8/066—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension from a light track
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • 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
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/405—Lighting for industrial, commercial, recreational or military use for shop-windows or displays
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

Abstract

본 고안은 쑈케이스용 엘이디등에 관한 것으로, 더욱 상세하게는 렌즈를 이용하여 낮은 전력량의 엘이디소자로 높은 조도를 얻을 수 있도록 하여 낮은 가격으로도 충분한 조도를 얻을 수 있어서 전력소모량을 최소화할 수 있는 쑈케이스용 엘이디등에 관한 것이다.
본 고안의 쑈케이스용 엘이디등에 의하면 동일한 조도를 얻기 위해서 사용되는 엘이디소자의 개수가 적거나 저출력의 엘이디소자를 사용해도 되므로, 생산단가가 현저히 낮고, 비교적 낮은 출력의 엘이디소자가 사용되므로 발열량이 현저히 줄어들어서 방열에 필요한 장치들이 적어도 되며, 가격이 낮아져서 소비자들이 쉽게 채용할 수 있는 등의 효과가 발생한다.The present invention relates to an LED for a case, and more particularly, to a device which can obtain a high illuminance with a low-power LED element by using a lens and obtain a sufficient illuminance even at a low price, LED and the like.
Since the number of LED elements used for obtaining the same illuminance is small or an LED element with a low output power can be used, an LED element having a relatively low output and a relatively low output power are used, so that the amount of heat generated is significantly reduced There are at least the devices necessary for heat dissipation, and the price is lowered so that the consumer can easily adopt it.

Description

쑈케이스용 엘이디등{LET LIGHT FOR SHOWCASE}쑈 LEDs for cases, etc. {LET LIGHT FOR SHOWCASE}

본 고안은 쑈케이스용 엘이디등에 관한 것으로, 더욱 상세하게는 렌즈를 이용하여 낮은 전력량의 엘이디소자로 높은 조도를 얻을 수 있도록 하여 낮은 가격으로도 충분한 조도를 얻을 수 있어서 전력소모량을 최소화할 수 있는 쑈케이스용 엘이디등에 관한 것이다. The present invention relates to an LED for a case, and more particularly, to an LED device with a low power amount by using a lens, so that a high illuminance can be obtained so that sufficient illumination can be obtained even at a low price, LED and the like.

일반적으로 백화점이나 대형할인마트 및 각종 상품을 취급하는 상품판매장에서는 매장내에 진열 및 전시되고 있는 상품은 물론이고 진열장이나 진열대(이하, '쑈케이스(showcase)'라 함)에 진열된 상품들을 밝고 선명하게 조명하기 위해 조명등이 사용되고 있다. Generally, department stores, large discount marts, and merchandise stores that handle various goods display goods displayed on display shelves or shelves (hereinafter referred to as "showcase") as well as products displayed and displayed in stores, Lighting is being used to illuminate.

종래 쑈케이스에서 사용되는 조명등은 백열전구나 형광등인데, 이러한 백열전구는 가격이 저렴하지만 전력소비가 많고, 사용수명이 짧으며, 점등시 높은 열을 발생키는 등의 문제점이 있었고, 상기 형광등은 전력소비가 적고 사용수명이 길며 비교적 낮은 온도에 작동하기 때문에 많이 쓰이고 있다. The incandescent lamps used in the conventional case are incandescent lamps or fluorescent lamps. However, such incandescent lamps have problems such as low cost, high power consumption, short service life, and high heat when being turned on. And has a long service life and is used widely because it operates at a relatively low temperature.

상기 쑈케이스에 사용되는 조명등은 모두 전력이 많이 소모되는 문제점을 극복하기 위해서 최근에는 엘이디등을 많이 사용한다. In order to overcome the problem that all the lighting lamps used in the case are consumed a lot of power, LED and the like are used in recent years.

상기 엘이디등은 복수의 엘이디소자(발광다이오드 소자)를 형성하고 직류전원을 인가하여 발광할 수 있도록 형성된다.The LED and the like are formed to form a plurality of LED elements (light emitting diode elements) and emit light by applying a DC power source.

종래의 쑈케이스용 엘이디등에 관한 기술은 대한민국특허청 등록특허공보 제1153975호, 제0891645호 및 등록실용신안공보 제0425784호 등에 개시된 바 있다.BACKGROUND ART [0002] Techniques related to a conventional LED for a case are disclosed in Korean Patent Registration No. 1153975, No. 0891645, and Korean Utility Model No. 0425784, for example.

그러나, 종래의 쑈케이스용 엘이디등은 다음과 같은 문제점이 있었다.However, the conventional LED for lid case has the following problems.

(1) 원하는 조도를 얻기 위해서는 고출력의 엘이디 소자를 사용하거나, 개수를 많이 형성해야하므로 생산단가가 높다.(1) In order to obtain a desired illuminance, a high-output LED device must be used or a large number of LEDs must be formed, resulting in a high production cost.

(2) 엘이디등의 가격이 매우 비싸서 높은 전기효율에도 불구하고 이를 채용하기가 어렵다.(2) the price of the LED is very high, so it is difficult to adopt it despite the high electric efficiency.

상기한 문제점을 해결하기 위해서, 본 고안은 컨버터가 형성된 고정부가 형성되고, 상기 고정부에 양측면이 연결되는 보드가 형성되며, 상기 보드에는 다수개의 엘이디소자가 형성되는 일반적인 엘이디등에 있어서, In order to solve the above problems, the present invention provides a general LED having a fixed portion formed with a converter, a board having both sides connected to the fixed portion, a plurality of LED elements formed on the board,

상기 보드는 고정부의 양측면에 형성된 가이드와 이송수단에 의해서 상하로 이송가능하고, Wherein the board is vertically transportable by a guide formed on both sides of the fixing portion and the conveying means,

상기 각 엘이디소자는 소자가 원통형의 캡슐에 감싸져서 형성되고,Each of the LED elements is formed by wrapping a device in a cylindrical capsule,

상기 고정부의 전면에 확산렌즈가 고정되되, A diffusion lens is fixed to the front surface of the fixing part,

상기 확산렌즈는 각 엘이디소자가 삽탈될 수 있도록 홀이 형성되고, 상기 홀의 주연부는 볼록하게 형성되며, 투명하게 형성되는 것을 특징으로 한다.The diffusion lens is characterized in that a hole is formed so that each LED element can be inserted and removed, and a peripheral edge of the hole is formed to be convex and formed transparently.

본 고안의 쑈케이스용 엘이디등에 의하면 다음과 같은 효과가 나타난다.According to the present invention, the following effects can be obtained.

(1) 동일한 조도를 얻기 위해서 사용되는 엘이디소자의 개수가 적거나 저출력의 엘이디소자를 사용해도 되므로, 생산단가가 현저히 낮다.(1) Since the number of LED elements used to obtain the same roughness is small or an LED element with low output power may be used, the production unit cost is significantly low.

(2) 비교적 낮은 출력의 엘이디소자가 사용되므로 발열량이 현저히 줄어들어서 방열에 필요한 장치들이 적어도 된다. (2) Since a relatively low-power LED device is used, the amount of heat generated is significantly reduced, thereby minimizing heat dissipation.

(3) 가격이 낮아져서 소비자들이 쉽게 채용할 수 있다.(3) The price is low and consumers can easily adopt it.

도 1은 본 고안의 바람직한 실시예로 형성된 쑈케이스용 엘이디등의 측단면도.
도 2는 본 고안의 바람직한 실시예로 형성된 쑈케이스용 엘이디등의 확산렌즈의 사시도.
도 3은 본 고안의 다른 실시예로 형성된 쑈케이스용 엘이디의 측단면도.
도 4는 본 고안의 다른 실시예로 형성된 쑈케이스용 엘이디의 사시도.
도 5는 본 고안의 다른 실시예로 형성된 쑈케이스용 엘이디의 사용상태도.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side cross-sectional view of a light emitting diode for a case and the like formed as a preferred embodiment of the present invention; Fig.
2 is a perspective view of a diffusion lens, such as an LED for a case, formed as a preferred embodiment of the present invention;
3 is a side cross-sectional view of a lid for a lid case formed by another embodiment of the present invention;
4 is a perspective view of an LED for a case according to another embodiment of the present invention;
Fig. 5 is a view showing the state of use of a lid for a lid case formed by another embodiment of the present invention. Fig.

본 고안은 컨버터가 형성된 고정부(10)가 형성되고, 상기 고정부(10)에 양측면이 연결되는 보드(20)가 형성되며, 상기 보드(20)에는 다수개의 엘이디소자(25)가 형성되는 일반적인 엘이디등(1)에 있어서,The present invention is characterized in that a board 20 is formed on which a fixing part 10 formed with a converter is formed and both side surfaces are connected to the fixing part 10 and a plurality of LED elements 25 are formed on the board 20 In general LED (1)

상기 보드(20)는 고정부(10)의 양측면에 형성된 가이드(11)와 이송수단(15)에 의해서 상하로 이송가능하고, The board 20 can be vertically conveyed by the guide 11 and the conveying means 15 formed on both sides of the fixing portion 10,

상기 각 엘이디소자(25)는 소자(25b)가 원통형의 캡슐(25a)에 감싸져서 형성되고,Each of the LED elements 25 is formed by encapsulating the element 25b in a cylindrical capsule 25a,

상기 고정부(10)의 전면에 확산렌즈(30)가 고정되되,The diffusion lens 30 is fixed to the front surface of the fixing part 10,

상기 확산렌즈(30)는 각 엘이디소자(25)가 삽탈될 수 있도록 홀(35)이 형성되고, 상기 홀(35)의 주연부는 볼록한 렌즈부(36)가 형성되며, 투명하게 형성된다.
The diffusion lens 30 is formed with a hole 35 so that each LED element 25 can be inserted and removed and a peripheral portion of the hole 35 is formed with a convex lens portion 36 and is formed transparently.

상기 고정부(10)는 일측이 개방된 직사각 박스형상으로 형성되고, 길이방향으로 길게 형성된다.The fixing portion 10 is formed in a rectangular box shape with one side opened and is formed long in the longitudinal direction.

상기 고정부(10)의 내부에는 전원을 공급하는 컨버터가 형성되고, 일측 혹은 가운데로 전원이 공급되는 선이 보드(20)와 연결된다. A converter for supplying power is formed in the fixing part 10, and a line to which power is supplied to one side or the middle is connected to the board 20.

상기 보드(20)는 고정부(10)의 내부 양측면에 고정되고, 상기 보드(20)의 일측에는 다수개의 엘이디소자(25)가 형성된다. The board 20 is fixed to both inner side surfaces of the fixing part 10 and a plurality of LED elements 25 are formed on one side of the board 20.

상기 보드(20)의 후면에는 알루미늄 등의 발열에 필요한 방열판이 형성될 수 있다.A heat radiating plate necessary for generating heat such as aluminum may be formed on the rear surface of the board 20.

상기 보드(20)의 일측은 고정부(10)의 가이드(11)에 삽입될 수 있도록 가이드바가 형성되고, 타측에는 이송수단(15)에 의해서 상하로 이송할 수 있도록 이송고정홀(22)이 형성된다.One side of the board 20 is formed with a guide bar so that it can be inserted into the guide 11 of the fixing part 10 and the other side of the board 20 is provided with a feed fixing hole 22 so as to be vertically conveyed by the feeding device 15 .

상기 이송고정홀(22)에는 베벨기어나 웜기어에 의해서 작동하는 이송핸들(15b)에 의해서 회전 혹은 상하 이송되는 이송바(15c)가 삽입된다.A feed bar 15c, which is rotated or vertically fed by a feed handle 15b operated by a bevel gear or a worm gear, is inserted into the feed fixing hole 22.

상기 엘이디소자(25)는 소자(25b)가 원통형의 캡슐(25a)에 감싸져서 형성되는데, 상기 원통형의 캡슐(25a)의 높이가 높도록 형성되고, 끝단에 소자(25b)가 위치하도록 형성된다. The LED 25 is formed by enclosing a device 25b in a cylindrical capsule 25a such that the height of the cylindrical capsule 25a is high and the device 25b is positioned at the end of the device 25b .

상기 확산렌즈(30)는 후방에는 각 엘이디소자(25)가 일부 삽입될 수 있도록 렌즈부(36)가 형성된다.The diffusion lens 30 is formed with a lens portion 36 so that each of the LED elements 25 can be partially inserted into the diffusion lens 30.

상기 렌즈부(36)는 연하는 렌즈부(36)와 부드럽게 연결되도록 형성된다. The lens portion 36 is formed to be smoothly connected to the lens portion 36 that is swollen.

상기 렌즈부(36)는 후방으로 볼록하게 형성되고, 가운데에 홀(35)이 형성된다.The lens portion 36 is formed to be convex rearward, and a hole 35 is formed in the center.

상기 확산렌즈(30)는 고정부(10)의 전면에 고정되고, 보드(20)와 위치가 맞도록 형성된다. The diffusion lens 30 is fixed to the front surface of the fixing part 10 and is formed to be in alignment with the board 20.

본 고안의 다른 실시예로는 그릇형상의 케이스(50)가 형성되고, 상기 케이스(50)의 내벽에서 회전가능하도록 이송수단(55)이 형성되며, 상기 이송수단(55)의 내주연에는 원통형의 보드(60)가 고정되고, 상기 보드(60)에는 다수개의 엘이디소자(25)가 형성되며, 상기 케이스(50)를 끝단에는 렌즈부(36)가 형성된 확산렌즈(30)가 형성되되,In another embodiment of the present invention, a bowl-shaped case 50 is formed, and a conveying means 55 is formed so as to be rotatable on the inner wall of the case 50. In the inner periphery of the conveying means 55, A plurality of LED elements 25 are formed on the board 60 and a diffusion lens 30 having a lens portion 36 is formed at an end of the case 50,

상기 확산렌즈(30)는 가운데에 홀(35)이 형성된 렌즈부(36)가 엘이디소자(25)의 개수만큼 형성된다.The diffusion lens 30 has a lens portion 36 having a hole 35 formed in the center thereof in the number corresponding to the number of the LED elements 25.

상기 케이스(50)의 측면은 일부가 개방된 작동창(57)이 형성되어 이송수단(55)의 외벽이 노출되도록 형성되어, 이송수단(55)을 외부에서 회전시킬 수 있다.The side surface of the case 50 is formed with an operation window 57 partially opened to expose the outer wall of the conveying means 55 so that the conveying means 55 can be rotated from the outside.

상기 케이스(50)의 내부 가운데에는 가이드봉(53)이 형성되고, 상기 가이드봉(53)은 보드(60)의 가운데를 관통하여 형성될 수 있다.A guide rod 53 may be formed in the center of the case 50 and the guide rod 53 may extend through the center of the board 60.

상기 보드(60)는 원판형상으로 형성되고, 주연부에는 탭이 형성되고, 상기 이송수단(55)의 내주연에도 탭이 형성되어 서로 연결되어, 이송수단(55)이 회전하면 보드(60)가 상하로 이송된다.
The board 60 is formed in the shape of a disk and tabs are formed on the periphery of the board 60. Tabs are also formed on the inner circumference of the conveying means 55 to connect the boards 60. When the conveying means 55 rotates, It is transported up and down.

이하, 본 고안의 바람직한 실시예로 형성된 엘이디등의 사용방법 및 작동을 설명하면 다음과 같다.Hereinafter, a method and an operation of an LED formed as a preferred embodiment of the present invention will be described.

본 발명의 엘이디등을 쑈케이스에 설치하고, 전원을 인가하면 각 엘이디소자(25)가 밝혀지고, 이때 이송수단(15,55)를 작동하여 보드(10,60)를 상하로 이송시킨다. When the LED of the present invention is installed in the case and power is applied, the respective LED elements 25 are turned on. At this time, the conveying means 15 and 55 are operated to convey the boards 10 and 60 up and down.

상기와 같이, 보드(20,60)를 상하로 이송시키면 각각의 엘이디소자(25)가 홀(31)에 삽입되는 깊이가 달라지면서, 조광되는 부분의 조도가 달라지는데, 빛의 확산되는 정도를 조절하는 기능을 수행하여 최대 조도를 맞출 수 있다.As described above, when the boards 20 and 60 are moved up and down, the depth of each LED element 25 inserted into the hole 31 is changed, and the illuminance of the part to be illuminated is changed. The maximum illumination can be achieved.

상기와 같이 각 엘이디소자(25)와 확산렌즈(30)와의 촛점거리를 잘 맞출 수 있음으로써 출력이 낮은 엘이디소자라도 밝은 조도를 얻을 수 있으므로, 동일 조도를 얻기 위해서 엘이디소자의 개수를 줄일 수 있어서 생산단가를 현저히 낮출 수 있다.Since the focal distance between each of the LED elements 25 and the diffusion lens 30 can be adjusted as described above, a bright illuminance can be obtained even with an LED element having a low output, so that the number of LED elements can be reduced in order to obtain the same illuminance The production cost can be significantly lowered.

본 고안은 첨부된 도면을 참조하여 바람직한 실시예를 중심으로 기술되었지만 당업자라면 이러한 기재로부터 실용신안청구범위에 의해 포괄되는 본 고안의 범주를 벗어남이 없이 다양한 변형이 가능하다는 것은 명백하다.
Although the present invention has been described with reference to the preferred embodiments thereof with reference to the accompanying drawings, it will be apparent to those skilled in the art that various modifications are possible without departing from the scope of the present invention as defined by the appended claims.

1 : 엘이디등 10 : 고정부
11 : 가이드 15 : 이송수단
20, 60 : 보드 25 : 엘이디소자
30 : 확산렌즈 35 : 홀
36 : 렌즈부 51 : 제1고정부
52 : 제2고정부 53 : 가이드봉1: LED, etc. 10:
11: Guide 15: Feeding means
20, 60: board 25: LED element
30: diffusion lens 35: hole
36: Lens portion 51: First fixing portion
52: second fixing portion 53: guide rod

Claims (4)

삭제delete 컨버터가 형성된 고정부가 형성되고, 상기 고정부에 양측면이 연결되는 보드가 형성되며, 상기 보드에는 다수개의 엘이디소자가 형성되는 일반적인 엘이디등에 있어서,
상기 보드는 고정부의 양측면에 형성된 가이드와 이송수단에 의해서 상하로 이송가능하고,
상기 각 엘이디소자는 소자가 원통형의 캡슐에 감싸져서 형성되고,
상기 고정부의 전면에 확산렌즈가 고정되되,
상기 확산렌즈는 각 엘이디소자가 삽탈될 수 있도록 홀이 형성되고, 상기 홀의 주연부는 볼록한 렌즈부가 형성되고,
상기 보드의 일측에는 가이드바가 형성되고, 타측에는 이송고정홀이 형성되는데,
상기 이송고정홀에는 베벨기어나 웜기어에 의해서 작동하는 이송핸들에 의해서 회전 혹은 상하 이송되는 이송바가 삽입되는 것을 특징으로 하는 쑈케이스용 엘이디등.A general LED having a fixed portion formed with a converter, a board having both sides connected to the fixed portion, and a plurality of LED elements formed on the board,
Wherein the board is vertically transportable by a guide formed on both sides of the fixing portion and the conveying means,
Each of the LED elements is formed by wrapping a device in a cylindrical capsule,
A diffusion lens is fixed to the front surface of the fixing part,
Wherein the diffusion lens is formed with a hole so that each LED element can be inserted and removed, a peripheral portion of the hole is formed with a convex lens portion,
A guide bar is formed on one side of the board and a conveyance fixing hole is formed on the other side.
And a feed bar that is rotated or vertically fed by a feed handle operated by a bevel gear or a worm gear is inserted into the feed hole. 삭제delete 삭제delete
KR2020130000622U 2013-01-24 2013-01-24 Let light for showcase KR200473869Y1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003287789A (en) 2002-03-28 2003-10-10 Fuji Photo Optical Co Ltd Flash unit
KR20080020614A (en) * 2005-06-01 2008-03-05 씨씨에스 가부시키가이샤 Light irradiation device
JP2008218084A (en) 2007-03-01 2008-09-18 Mitsubishi Electric Corp Luminaire
KR101017631B1 (en) * 2010-03-30 2011-02-25 (주) 리치전기 Ceiling fixed type a led light

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003287789A (en) 2002-03-28 2003-10-10 Fuji Photo Optical Co Ltd Flash unit
KR20080020614A (en) * 2005-06-01 2008-03-05 씨씨에스 가부시키가이샤 Light irradiation device
JP2008218084A (en) 2007-03-01 2008-09-18 Mitsubishi Electric Corp Luminaire
KR101017631B1 (en) * 2010-03-30 2011-02-25 (주) 리치전기 Ceiling fixed type a led light

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