KR101238709B1 - LED Light - Google Patents

LED Light Download PDF

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Publication number
KR101238709B1
KR101238709B1 KR1020110043238A KR20110043238A KR101238709B1 KR 101238709 B1 KR101238709 B1 KR 101238709B1 KR 1020110043238 A KR1020110043238 A KR 1020110043238A KR 20110043238 A KR20110043238 A KR 20110043238A KR 101238709 B1 KR101238709 B1 KR 101238709B1
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South Korea
Prior art keywords
heat sink
light
fitted
fluorescent lamp
led fluorescent
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KR1020110043238A
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Korean (ko)
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KR20120125417A (en
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이화랑
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이화랑
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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
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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
    • 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

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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

본 발명은 엘이디 형광등에 관한 것으로서, 더욱 상세하게는 투광성 수지재로서 원기둥 형태로 압출 형성되는 투광부와;
투광부의 내주면상에 일체로 형성되는 한쌍의 가이드레일과;
상기 가이드레일에 안내되어 투광부 내부로 끼워지는 히트싱크와;
다수의 LED가 장착된 상태로 히트싱크의 상부면에 부착되는 메탈기판과;
히트싱크가 끼워진 투광부의 양끝단에 끼워지며 전원공급용 단자가 돌출되게 형성되어 있는 마감캡; 으로 구성한 것을 특징으로 한다.
본 발명에 의하면, 엘이디 형광등의 구조를 매우 단순화하여 제품의 생산성 향상 및 생산단가 감소의 효과를 기대할 수 있으며, 투광부 외부로 히트씽크가 노출되지 않으므로 엘이디 형광등의 전체적인 심미감이 향상될 수 있도록하는 효과를 기대할 수 있다.The present invention relates to an LED fluorescent lamp, and more particularly, a light transmitting part which is formed by extruding a cylindrical shape as a light transmitting resin material;
A pair of guide rails integrally formed on the inner circumferential surface of the light transmitting portion;
A heat sink guided to the guide rail and fitted into the light transmitting part;
A metal substrate attached to an upper surface of the heat sink with a plurality of LEDs mounted thereon;
A closing cap fitted to both ends of a light-transmitting part fitted with a heat sink and protruding from the power supply terminal; .
According to the present invention, the structure of the LED fluorescent lamp can be greatly simplified, thereby improving the productivity of the product and reducing the production cost, and since the heatsink is not exposed to the outside of the floodlight, the overall aesthetics of the LED fluorescent lamp can be improved. You can expect the effect.

Description

엘이디 형광등{LED Light}LED Fluorescent Tube {LED Light}

본 발명은 엘이디 형광등에 관한 것으로서, 더욱 상세하게는 원통형의 투광부 내부 하단에 한쌍의 가이드레일을 투광부와 일체로 형성하고, 다수의 LED가 장착된 메탈기판이 상부면에 부착된 히트씽크를 가이드레일에 슬라이딩 방식으로 끼워넣어 결합하므로서, 엘이디 형광등의 구조를 매우 단순화하여 제품의 생산성 향상 및 생산단가 감소의 효과를 기대할 수 있으며, 투광부 외부로 히트씽크가 노출되지 않으므로 엘이디 형광등의 전체적인 심미감이 향상될 수 있도록 한 엘이디 형광등에 관한 것이다.The present invention relates to an LED fluorescent lamp, and more particularly, a pair of guide rails are formed integrally with a light transmitting unit at a lower end of a cylindrical light transmitting unit, and a heat sink having a metal substrate mounted with a plurality of LEDs attached to an upper surface thereof. By sliding the guide rail into the guide rail, the structure of the LED fluorescent lamp can be greatly simplified to improve the productivity of the product and reduce the production cost.In addition, since the heatsink is not exposed outside the floodlight, the overall aesthetic sense of the LED fluorescent lamp is This relates to an LED fluorescent lamp so that it can be improved.

LED 형광등이라 함은 광원으로 LED를 사용하고, 일반 형광등과 같이 긴 관형태로 형성되며, 양끝단에 2개의 단자가 돌출되게 형성된 것이다.LED fluorescent lamp is used as a light source, LED is formed in the form of a long tube like a normal fluorescent lamp, it is formed to protrude two terminals at both ends.

또한 종래 LED 형광등은 LED가 장착된 메탈기판을 별도의 히트싱크에 부착하여 이루어지며, 메탈기판이 부착된 히트싱크를 관형태의 작은 투광케이스에 안정되게 끼우기가 어려워 히트싱크가 투광케이스의 외부로 노출되게 결합되고 있었다.In addition, the conventional LED fluorescent lamp is made by attaching a metal substrate on which the LED is mounted to a separate heat sink, and it is difficult to stably attach the heat sink with the metal substrate to the small transparent casing of the tubular shape so that the heat sink is outside the floodlight case. Were being exposed exposed.

그러나, 종래의 LED 형광등은 히트싱크가 투광케이스 외부로 노출됨에 따라 전체적인 LED 형광등의 외관이 미려해지지 못하는 문제점이 발생하고 있었고, 투광케이스와 히트싱크를 결합하는데 매우 복잡한 구조를 채택할 수 밖에 없어서 제품의 생산성이 하락하는 문제점이 발생하고 있었다.
However, the conventional LED fluorescent lamp has a problem that the overall appearance of the LED fluorescent lamp is not beautiful as the heat sink is exposed to the outside of the floodlight case, and the product has to adopt a very complex structure to combine the floodlight case and the heat sink The problem of falling productivity was occurring.

따라서, 상기 문제점을 해결하기 위한 본 발명은 원통형의 투광부 내부 하단에 한쌍의 가이드레일을 투광부와 일체로 형성하고, 다수의 LED가 장착된 메탈기판이 상부면에 부착된 히트씽크를 가이드레일에 슬라이딩 방식으로 끼워넣어 결합하므로서, 엘이디 형광등의 구조를 매우 단순화하여 제품의 생산성 향상 및 생산단가 감소의 효과를 기대할 수 있으며, 투광부 외부로 히트씽크가 노출되지 않으므로 엘이디 형광등의 전체적인 심미감이 향상될 수 있도록 한 엘이디 형광등 을 제공함을 목적으로 한다.
Therefore, the present invention for solving the above problems is formed by a pair of guide rails integrally with the light-transmitting portion at the lower end of the cylindrical light-transmitting portion, the guide plate is a heat sink attached to the upper surface of the metal substrate equipped with a plurality of LEDs Sliding into the combination of the LED fluorescent lamp, the structure of the LED fluorescent lamp can be greatly simplified to improve the productivity of the product and reduce the production cost.In addition, since the heatsink is not exposed outside the floodlight, the overall aesthetic sense of the LED fluorescent lamp is improved. It is intended to provide LED fluorescent lamps that can be used.

상기 목적달성을 위한 본 발명은,According to an aspect of the present invention,

투광성 수지재로서 원기둥 형태로 압출 형성되는 투광부와;A light transmitting part which is formed as a light transmitting resin material by extrusion into a cylindrical shape;

투광부의 내주면상에 일체로 형성되는 한쌍의 가이드레일과;A pair of guide rails integrally formed on the inner circumferential surface of the light transmitting portion;

상기 가이드레일에 안내되어 투광부 내부로 끼워지는 히트싱크와;A heat sink guided to the guide rail and fitted into the light transmitting part;

다수의 LED가 장착된 상태로 히트싱크의 상부면에 부착되는 메탈기판과;A metal substrate attached to an upper surface of the heat sink with a plurality of LEDs mounted thereon;

히트싱크가 끼워진 투광부의 양끝단에 끼워지며 전원공급용 단자가 돌출되게 형성되어 있는 마감캡; 으로 구성한 것을 특징으로 한다.
A closing cap fitted to both ends of a light-transmitting part fitted with a heat sink and protruding from the power supply terminal; .

본 발명에 의하면, 엘이디 형광등의 구조를 매우 단순화하여 제품의 생산성 향상 및 생산단가 감소의 효과를 기대할 수 있으며, 투광부 외부로 히트씽크가 노출되지 않으므로 엘이디 형광등의 전체적인 심미감이 향상될 수 있도록하는 효과를 기대할 수 있다.
According to the present invention, the structure of the LED fluorescent lamp can be greatly simplified, thereby improving the productivity of the product and reducing the production cost, and since the heatsink is not exposed to the outside of the floodlight, the overall aesthetics of the LED fluorescent lamp can be improved. You can expect the effect.

도 1 은 본 발명의 엘이디 형광등을 보인 사시도.
도 2 는 본 발명의 엘이디 형광등을 보인 단면도.
도 3 은 본 발명의 요부구성을 보인 분해 사시도.
도 4 는 본 발명의 요부구성을 보인 측단면도.
도 5 는 본 발명의 다른 실시예를 보인 도면.
도 6 은 본 발명의 다른 실시예의 분해 사시도.1 is a perspective view showing the LED fluorescent lamp of the present invention.
2 is a cross-sectional view showing the LED fluorescent lamp of the present invention.
Figure 3 is an exploded perspective view showing the main portion of the present invention.
Figure 4 is a side cross-sectional view showing the main portion of the present invention.
5 illustrates another embodiment of the present invention.
6 is an exploded perspective view of another embodiment of the present invention.

이하, 첨부된 도면 도 1 내지 도 6 을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, FIGS. 1 to 6.

상기 도면에 의하면 본 발명은,According to the drawings, the present invention,

투광성 수지재로서 원기둥 형태로 압출 형성되는 투광부(1)와;A light-transmitting portion 1 which is formed as a light-transmissive resin by extrusion into a cylindrical shape;

투광부(1)의 내주면상에 일체로 형성되는 한쌍의 가이드레일(2)과;A pair of guide rails 2 integrally formed on the inner circumferential surface of the light transmitting portion 1;

상기 가이드레일(2)에 안내되어 투광부(1) 내부로 끼워지는 히트싱크(10)와;A heat sink 10 guided by the guide rail 2 and fitted into the light transmitting part 1;

다수의 LED(13)가 장착된 상태로 히트싱크(10)의 상부면에 부착되는 메탈기판(12)과;A metal substrate 12 attached to an upper surface of the heat sink 10 with a plurality of LEDs 13 mounted thereon;

히트싱크(10)가 끼워진 투광부(1)의 양끝단에 끼워지며 전원공급용 단자(4)가 돌출되게 형성되어 있는 마감캡(3); 으로 구성한 것을 특징으로 한다.A closing cap 3 fitted to both ends of the light-transmitting part 1 into which the heat sink 10 is inserted and protruding from the power supply terminal 4; Characterized in that configured.

상기 히트싱크(10)의 바닥면에 복수개의 방열핀(11)이 돌출된 것을 특징으로 한다.A plurality of heat dissipation fins 11 protrude from the bottom surface of the heat sink 10.

상기 투광부(1)는 투광성 수지재로서 원기둥 형태로 압출성형되는 것이며, 이 투광부(1)의 내주면상에는 한쌍의 가이드레일(2)이 서로 대향하도록 형성된다.The light-transmitting portion 1 is a light-transmissive resin material that is extruded in a cylindrical shape, and a pair of guide rails 2 are formed on the inner circumferential surface of the light-transmitting portion 1 to face each other.

가이드레일(2)은 투광부(1)와 일체로 형성되며, 히트싱크(10)가 끼워지는 것을 안내하는 기능을 갖게된다.The guide rail 2 is formed integrally with the light transmitting portion 1, and has a function of guiding the heat sink 10 to be fitted.

히트싱크(10)는 LED(13)에서 발생되는 열을 효율적으로 방열시키기 위한 것으로서, 히트싱크(10)는 평판형태로 형성되고, 그 히트싱크(10)의 상부면에는 메탈기판(12)이 부착되고, 메탈기판(12)에는 다수의 LED(13)가 장착된다.The heat sink 10 is for efficiently dissipating heat generated from the LED 13, and the heat sink 10 is formed in a flat plate shape, and a metal substrate 12 is formed on an upper surface of the heat sink 10. A plurality of LEDs 13 are mounted on the metal substrate 12.

히트싱크(10)의 저면에는 다수의 방열핀(11)이 돌출되어 방열효율을 향상시키게 되며, 히트싱크(10)를 통한 방열효율을 높여주기 위해 히트싱크(10)와 접하는 투광부(1)에 복수의 방열구멍을 형성할 수 있다.A plurality of heat dissipation fins 11 protrude from the bottom surface of the heat sink 10 to improve heat dissipation efficiency, and to the light-transmitting part 1 in contact with the heat sink 10 to increase heat dissipation efficiency through the heat sink 10. A plurality of heat dissipation holes can be formed.

히트싱크(10)가 끼워진 투광부(1)의 양단으로는 마감캡(3)이 끼워져 결합되며, 이 마감캡(3)에는 LED(13)로 전원을 공급하기 위한 단자(4)가 돌출되게 형성되어 있다.End caps 3 are fitted to both ends of the light-transmitting part 1 to which the heat sink 10 is fitted, and the end caps 3 protrude from the end caps 3 for supplying power to the LEDs 13. Formed.

마감캡(3)에는 나사홀(5)이 형성되어 있고, 이 나사홀(5)을 통해 나사(6)가 끼워져 히트싱크(10)에 결합되므로서, 마감캡(3)을 투광부(1)에 견고히 결합할 수 있게된다.A screw hole 5 is formed in the closing cap 3, and the screw 6 is fitted through the screw hole 5 to be coupled to the heat sink 10. ) Can be firmly combined.

단자(4)는 메탈기판(12)과 전기적으로 연결되어 단자(4)를 통해 공급되는 전원이 LED(13)로 공급되는 것이다.The terminal 4 is electrically connected to the metal substrate 12 so that power supplied through the terminal 4 is supplied to the LED 13.

상기 설명과 같은 본 발명의 LED 형광등은 투광부(1) 내측으로 히트싱크(10)가 완전히 매립되는 것이기 때문에 LED 형광등이라도 기존의 형광등과 거의 동일한 형상을 갖게되어 제품의 미려함이 향상되는 효과를 기대할 수 있고, 히트싱크의 크기를 줄여줄 수 있게되어 전체적인 LED 형광등의 무게를 줄여줄 수 있게되는 효과를 기대할 수 있다.
Since the LED fluorescent lamp of the present invention as described above is completely filled with the heat sink 10 inside the light-transmitting part 1, even LED fluorescent lamps have almost the same shape as existing fluorescent lamps, and thus the beauty of the product is expected to be improved. In addition, the size of the heat sink can be reduced, and the effect of reducing the weight of the overall LED fluorescent lamp can be expected.

한편, 도 5 와 도 6 은 본 발명의 다른 실시예를 도시한 것으로서,5 and 6 show another embodiment of the present invention,

투광성 수지재로서 원기둥 형태로 압출 형성되는 투광부(1)와;A light-transmitting portion 1 which is formed as a light-transmissive resin by extrusion into a cylindrical shape;

투광부(1)의 내주면상에 일체로 형성되는 한쌍의 가이드레일(2)과;A pair of guide rails 2 integrally formed on the inner circumferential surface of the light transmitting portion 1;

'ㅅ'자 모양으로 꺽여지도록 형성되어 메탈기판이 장착될 수 있는 2개의 장착면(22)이 구비되고, 장착면(22)의 외측으로는 상기 가이드레일(2)에 안내되어 투광부(1) 내부로 끼워지는 날개부(21)가 형성되며, 저면부에 다수의 방열핀(23)이 돌출 형성된 히트싱크(20)와;It is formed to be bent in a 's' shape is provided with two mounting surfaces 22 on which a metal substrate can be mounted, and the light guide portion is guided to the guide rail 2 to the outside of the mounting surface 22. 1) a heat sink 20 having a wing portion 21 fitted therein, and having a plurality of heat dissipation fins 23 protruding from a bottom portion thereof;

다수의 LED(13)가 장착된 상태로 히트싱크(20)의 장착면(22)에 각각 부착되는 메탈기판(24)과;A metal substrate 24 attached to the mounting surface 22 of the heat sink 20 with a plurality of LEDs 13 mounted thereon;

히트싱크(20)가 끼워진 투광부(1)의 양끝단에 끼워지며 전원공급용 단자(4)가 돌출되게 형성되어 있는 마감캡(3); 으로 구성한 것을 특징으로 한다.A closing cap 3 fitted to both ends of the light-transmitting part 1 into which the heat sink 20 is inserted and protruding from the power supply terminal 4; Characterized in that configured.

본 발명의 다른 실시예는 히트싱크(20)를 'ㅅ'자 모양으로 형성한 것이다.Another embodiment of the present invention is to form the heat sink 20 in the '' 'shape.

히트싱크(20)를 'ㅅ'자 모양으로 꺽여지도록 형성함에 따라 히트싱크(20)에는 꺽여진 부위에 메탈기판(24)이 부착될 수 있는 2개의 장착면(22)이 마련되고, 이 장착면(22)에 각각 메탈기판(24)이 부착됨에 따라 더 많은 수의 LED(25)를 설치할 수 있게되어 형광등의 밝기를 증가시킬 수 있게된다.As the heat sink 20 is formed to be bent in a 's' shape, the heat sink 20 is provided with two mounting surfaces 22 to which the metal substrate 24 may be attached to the bent portion. As the metal substrates 24 are attached to the mounting surfaces 22, a larger number of LEDs 25 can be installed, thereby increasing the brightness of the fluorescent lamp.

또한 히트싱크(20)의 양측 끝단에는 가이드레일(2)에 끼워지는 날개부(21)가 형성되어 있어서 히트싱크(20)는 날개부(21)가 가이드레일(2)을 따라 결합되는 것에 의해 견고하게 투광부(1) 내에 설치할 수 있게되는 것이다.In addition, both ends of the heat sink 20 are formed with wing portions 21 to be fitted to the guide rails 2, so that the heat sink 20 is coupled by the wing portions 21 along the guide rails 2. It is to be firmly installed in the light transmitting portion (1).

또한, 히트싱크(20)의 저면부에 다수의 방열핀(23)을 형성하여 LED(25)의 방열효율이 개선되도록 하였다.In addition, a plurality of heat dissipation fins 23 are formed on the bottom of the heat sink 20 to improve heat dissipation efficiency of the LED 25.

본 발명의 다른 실시예는 날개부(21) 내측으로 장착면(22)이 소정각도 경사지게 돌출되는 형상을 갖게되므로 방열효율을 높여줄 수 있으면서도, 전체적으로 히트싱크(20)가 투광부(1) 내에 매립되므로 LED 형광등의 심미감을 높여줄 수 있는 효과를 기대할 수 있는 것이다.
Another embodiment of the present invention has a shape in which the mounting surface 22 protrudes inclined at a predetermined angle to the inside of the wing portion 21, while increasing the heat dissipation efficiency, the heat sink 20 as a whole in the light transmitting portion (1) As it is buried, it can be expected to enhance the aesthetics of LED fluorescent lamps.

1: 투광부, 2: 가이드레일,
3: 마감캡, 4: 단자,
5: 나사홀, 6: 나사,
10: 히트싱크, 11: 방열핀,
12: 메탈기판, 13: LED,1: floodlight, 2: guide rail,
3: closing cap, 4: terminal,
5: screw hole, 6: screw,
10: heatsink, 11: heat sink,
12: metal substrate, 13: LED,

Claims (2)

투광성 수지재로서 원기둥 형태로 압출 형성되는 투광부(1)와;
투광부(1)의 내주면상에 일체로 형성되는 한쌍의 가이드레일(2)과;
상기 가이드레일(2)에 안내되어 투광부(1) 내부로 끼워지며, 바닥면에 복수개의 방열핀(11)이 돌출 형성된 히트싱크(10)와;
다수의 LED(13)가 장착된 상태로 히트싱크(10)의 상부면에 부착되는 메탈기판(12)과;
히트싱크(10)가 끼워진 투광부(1)의 양끝단에 끼워지며 전원공급용 단자(4)가 돌출되게 형성되어 있는 마감캡(3); 으로 구성한 것을 특징으로 하는 엘이디 형광등.
A light-transmitting portion 1 which is formed as a light-transmissive resin by extrusion into a cylindrical shape;
A pair of guide rails 2 integrally formed on the inner circumferential surface of the light transmitting portion 1;
A heat sink 10 guided by the guide rail 2 and fitted into the light transmitting part 1 and having a plurality of heat dissipation fins 11 protruding from a bottom thereof;
A metal substrate 12 attached to an upper surface of the heat sink 10 with a plurality of LEDs 13 mounted thereon;
A closing cap 3 fitted to both ends of the light-transmitting part 1 into which the heat sink 10 is inserted and protruding from the power supply terminal 4; LED fluorescent lamp, characterized in that consisting of.
투광성 수지재로서 원기둥 형태로 압출 형성되는 투광부(1)와;
투광부(1)의 내주면상에 일체로 형성되는 한쌍의 가이드레일(2)과;
'ㅅ'자 모양으로 꺽여지도록 형성되어 메탈기판이 장착될 수 있는 2개의 장착면(22)이 구비되고, 장착면(22)의 외측으로는 상기 가이드레일(2)에 안내되어 투광부(1) 내부로 끼워지는 날개부(21)가 형성되며, 저면부에 다수의 방열핀(23)이 돌출 형성되어 있는 히트싱크(20)와;
다수의 LED(13)가 장착된 상태로 히트싱크(20)의 장착면(22)에 각각 부착되는 메탈기판(24)과;
히트싱크(20)가 끼워진 투광부(1)의 양끝단에 끼워지며 전원공급용 단자(4)가 돌출되게 형성되어 있는 마감캡(3); 으로 구성한 것을 특징으로 하는 엘이디 형광등.A light-transmitting portion 1 which is formed as a light-transmissive resin by extrusion into a cylindrical shape;
A pair of guide rails 2 integrally formed on the inner circumferential surface of the light transmitting portion 1;
It is formed to be bent in a 's' shape is provided with two mounting surfaces 22 on which a metal substrate can be mounted, and the light guide portion is guided to the guide rail 2 to the outside of the mounting surface 22. 1) a heat sink 20 having a wing portion 21 fitted therein, and having a plurality of heat dissipation fins 23 protruding from a bottom portion thereof;
A metal substrate 24 attached to the mounting surface 22 of the heat sink 20 with a plurality of LEDs 13 mounted thereon;
A closing cap 3 fitted to both ends of the light-transmitting part 1 into which the heat sink 20 is inserted and protruding from the power supply terminal 4; LED fluorescent lamp, characterized in that consisting of.
KR1020110043238A 2011-05-07 2011-05-07 LED Light KR101238709B1 (en)

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