KR101103587B1 - Illuminating apparatus using LED - Google Patents

Illuminating apparatus using LED Download PDF

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Publication number
KR101103587B1
KR101103587B1 KR1020100003425A KR20100003425A KR101103587B1 KR 101103587 B1 KR101103587 B1 KR 101103587B1 KR 1020100003425 A KR1020100003425 A KR 1020100003425A KR 20100003425 A KR20100003425 A KR 20100003425A KR 101103587 B1 KR101103587 B1 KR 101103587B1
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KR
South Korea
Prior art keywords
led
coupling hole
cover
light emitting
angle
Prior art date
Application number
KR1020100003425A
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Korean (ko)
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KR20110083273A (en
Inventor
김경수
김정우
김종필
박춘배
송두규
진경복
Original Assignee
(주)창조엔지니어링
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.)
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Publication date
Application filed by (주)창조엔지니어링 filed Critical (주)창조엔지니어링
Priority to KR1020100003425A priority Critical patent/KR101103587B1/en
Publication of KR20110083273A publication Critical patent/KR20110083273A/en
Application granted granted Critical
Publication of KR101103587B1 publication Critical patent/KR101103587B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2113/00Combination of light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING 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
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

The present invention relates to an LED lighting device with improved brightness uniformity, to provide an LED lighting device that can adjust the angle of each LED substrate in order to improve the brightness uniformity for the irradiation surface of light.
The present invention is made of a metal material with excellent thermal conductivity, but the bottom is formed with a plurality of heat sink 110 and a plurality of uneven portions formed for the purpose of heat dissipation, laminated or integrally formed with the heat sink 110, the upper curve Concave groove 121 is formed in the longitudinal direction is formed, the support groove 120 is formed with a plurality of first coupling holes 122 in a position spaced downward from both ends of the concave groove 121 A base body 100; Printed circuit board 210 having at least one LED 220 mounted thereon, the lower portion is formed to protrude in a curved shape so as to correspond to the concave groove 121 and the upper portion is an angle control block coupled to the printed circuit board 210 A light emitting unit 200 including 230; The upper portion of the LED 220 is exposed so that the straight through-hole 310 is formed through, both ends are bent downward to form a side, but the cover side is formed through the second coupling hole 320 through the bent side 300, characterized in that configured to include.

Description

LED lighting device with improved brightness uniformity {Illuminating apparatus using LED}
The present invention relates to an LED lighting device with improved brightness uniformity, and more particularly, to adjust the angles of each LED substrate to improve the brightness uniformity for the irradiation surface of light in the indoor and outdoor LED lighting devices. It relates to an LED lighting device.
In general, filament and discharge light emitting lamps such as metal halide lamps, mercury lamps, sodium lamps are mainly used for indoor and outdoor lighting facilities such as street lamps and security lamps.
However, the conventional filament and discharge light bulbs have the disadvantages of high power consumption and poor durability, and since a large portion of the supplied power is emitted as heat, the energy output from the visible light used for the actual lighting is determined by the amount of power used. Only about 5 to 28% of energy efficiency was very low.
On the other hand, LED (Light Emitting Diode) has many advantages such as high brightness, long life span, and low manufacturing cost compared to size and power consumption. Is rising. In addition, since such LEDs typically have a high energy efficiency of about 50 to 60% and can provide high quality lighting with less energy, they are spotlighted as a new lighting means to replace existing light bulbs.
However, since indoor and outdoor lighting devices using LEDs are equipped with a plurality of LED elements, they all irradiate light only in the same one direction, so that the central illuminance of the light irradiated by the light source is formed high and the edge of the light irradiated surface is high. The illuminance was formed low and the illuminance was not uniform.
The illuminance of the irradiated surface is determined by the distance between the light source and the irradiated surface, and the illuminance of the irradiated surface decreases in proportion to the square of the distance. Since the distance from the irradiation surface varies depending on the angle, the illuminance is not uniform and the difference in light uniformity appears.
In addition, in order to satisfy the uniformity of the road standard when installing the street lamp using the LED may be installed more than necessary street lamps, such as the installation of the street lamp was a problem that causes economic loss and energy waste.
Accordingly, the present invention has been made to solve the above-mentioned problems of the prior art, the purpose of the present invention to improve the uniformity of the irradiation surface of light by adjusting the angle of each LED substrate in the LED lighting device There is this.
In addition, the present invention is another object of the present invention to be able to freely adjust the directivity angle for each LED substrate in the LED lighting device to form a variety of efficient light distribution.
As a technical means for achieving the above object, the present invention is made of a metal material with excellent thermal conductivity, one side is formed with a heat sink for the purpose of heat dissipation, the other side is a recessed groove and both sides of the curved receiving space A base body including a supporting part including a first coupling hole formed in a stack or integrally; A light emitting unit including a printed circuit board having at least one LED mounted thereon and a semicircular cross section and an angle adjusting block coupled to one surface of the printed circuit board; The upper portion is formed to form a straight through-hole is coupled to expose the LED, both sides are bent in one direction to form a side, the bent side has a cover portion formed with a second coupling hole; characterized in that it comprises a.
Preferably, the printed circuit board has a bar shape formed long in one direction, and the LED is mounted in a plurality of arrays in a length direction with respect to the printed circuit board, and the concave groove corresponds to the angle control block. Curved receiving space of the shape is formed to be drawn inward, the angle control block is a semi-circular shape is projected outward, the concave groove is characterized in that the support is fixed and wrapped around the angle control block.
Preferably, the first coupling hole and the second coupling hole are formed radially to have a plurality of different angles, the light irradiation of the light emitting portion according to the position where the first coupling hole and the second coupling hole is coupled through the coupling means It is characterized in that the angle is adjusted and fixed.
According to the LED lighting apparatus to improve the brightness uniformity according to the present invention has the following effects.
First, there is an effect that can improve the uniformity of the light irradiation surface by adjusting the angle of each LED substrate in the indoor and outdoor LED lighting device.
Second, the improvement of the light uniformity increases the separation interval of the street lamps installed when applied to the LED street lights, resulting in the reduction of street lamp installation cost and energy saving.
Third, the LED lighting device according to the present invention can freely adjust the directivity angle for each LED substrate can implement a variety of efficient light distribution, the effect of freely varying the directivity angle of the LED substrate according to the change of the installation environment There is also.
Fourth, the base body does not have to be bent molding, it is easy to manufacture with a simple configuration and there is an effect that the productivity is improved accordingly.
1 is an assembled perspective view of the LED lighting apparatus according to the embodiment of the present invention,
2 is an exploded perspective view of the LED lighting apparatus according to the embodiment of the present invention,
3 is a perspective view showing a base body according to an embodiment of the present invention,
4 is a perspective view showing a light emitting unit according to an embodiment of the present invention;
5 is a perspective view showing a cover unit according to an embodiment of the present invention,
6 is a cross-sectional view illustrating a state of use of the LED lighting apparatus according to the embodiment of the present invention.
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
1 and 2 relates to an LED lighting apparatus with improved brightness uniformity according to an embodiment of the present invention, Figure 1 is an assembled perspective view, Figure 2 is an exploded perspective view.
As described above, the LED lighting apparatus 10 according to the present invention includes a base body 100 including a heat sink 110 and a support 120, a printed circuit board 210 and an LED 220, and The light emitting unit 200 including the angle adjusting block 230 and the fixing cover 300 is configured to include.
3 is a perspective view showing a base body according to an embodiment of the present invention.
In the base body 100 is made of a metal material with excellent thermal conductivity, the heat sink 110 is formed on one surface for the purpose of heat dissipation, the other side is to support the angle control block 230 to be described later The support 120 is formed, and the heat sink 110 and the support 120 are laminated or molded into an integral shape.
In addition, the support part 120 is fixedly coupled to the curved outer peripheral surface of the angle control block 230, the support portion 120 is a concave curved receiving space corresponding to the curved outer peripheral surface of the angle control block 230 The groove 121 is formed. Such concave groove 121 has a form formed long in one direction to correspond to the angle control block 230.
In addition, both sides of the support portion 120 is formed with a plurality of first coupling holes 122 to be fastened and fixed to the cover portion 300 to be described later, the plurality of first coupling holes 122 It has a shape formed radially arranged to have a different angle.
4 is a perspective view illustrating a light emitting unit according to an exemplary embodiment of the present invention.
The light emitting unit 200 includes a printed circuit board 210 having at least one LED 220 mounted thereon, wherein the printed circuit board 210 has a bar shape formed to be long in one direction. Preferably, the LED 220 has a shape in which a plurality of LEDs 220 are arranged in the longitudinal direction with respect to the bar-shaped printed circuit board 210.
The angle control block 230 is coupled to one surface of the printed circuit board 210, and has a bar shape that is formed to extend in one direction to correspond to the printed circuit board 210, but has a semicircular shape. . That is, one surface is flat and fixedly coupled to the printed circuit board 210, but the curved outer circumferential surface protruding in another direction is formed in a semicircle shape, and the curved outer circumferential surface corresponds to the concave groove 121 of the support part 120. To form a bonding state that is closely fixed to each other.
5 is a perspective view showing a cover unit according to an embodiment of the present invention.
The cover part 300 is to fix the position after adjusting the orientation angle of the light emitting unit 200, the bar shape is formed long in one direction so that the overall shape corresponds to the length of the light emitting unit 200 (bar) Both sides of the upper part of the light emitting part 200 are fastened and fixed to the support part 120.
That is, the upper portion is a straight through hole 310 is formed so that the LED 220 of the light emitting unit 200 is exposed, both sides are bent in one direction to form a side, the second coupling hole ( 320) the plurality is disposed radially to have different angles.
That is, the cover 300 may be fixed to form a predetermined angle from the support 120, the first coupling hole 122 and the cover 300 of the support 120 according to the user's arbitrary selection Some of the second coupling hole 320 is selected arbitrarily by coupling and fixing by fastening means 330 such as bolts and pins.
The LED lighting device 10 is formed of the base body 100, the light emitting unit 200 and the cover 300 is laminated, the angle control block 230 of the inner peripheral surface of the recess groove 121 of the support unit 120 The curved outer circumferential surface is positioned so that the concave groove 121 can be fixedly wrapped around the angle control block 230. In addition, the user rotates the light emitting unit 200 to set the light irradiation angle and then fastening means 330 to the second coupling hole 320 of the cover part 300 and the first coupling hole 122 of the support part 120. By fixing a plurality of first coupling holes 122 and the second coupling hole 320 to form a different angle by fixing with) the light irradiation angle for each LED can be distinguished, LED lighting It is possible to improve the light uniformity of the device.
As described above, although the technical idea of the present invention has been described with reference to the preferred embodiments, those skilled in the art will be able to vary the present invention without departing from the spirit and scope of the present invention as set forth in the claims below. Can be modified and changed.
100: base body 110: heat sink
120: support portion 121: concave groove
122: first coupling hole 200: light emitting portion
210: printed circuit board 220: LED
230: angle control block 300: fixed cover part
310: straight through hole 320: second coupling hole
330: fastening means

Claims (3)

  1. A heat sink 110 formed of a metal material having excellent thermal conductivity but having a plurality of uneven parts formed therein for heat release; The heat sink 110 is stacked or integrally formed with a recessed groove 121, which is a curved receiving space, is formed in a long direction at an upper portion thereof, and is spaced downward from both ends of the recessed groove 121. The base body 100 and including; a support portion 120 is formed a plurality of first coupling holes 122;
    A printed circuit board 210 having at least one LED 220 mounted thereon; A light emitting part 200 including a lower portion formed to protrude in a curved shape so as to correspond to the concave groove 121 and an upper portion of the angle adjusting block 230 to which the printed circuit board 210 is coupled;
    The upper portion of the LED 220 is exposed so that the straight through-hole 310 is formed through, both ends are bent downward to form a side, but the cover side is formed through the second coupling hole 320 through the bent side 300, including,
    The upper part of the base body 100 is disposed in the light emitting unit 200 is laminated and coupled so that the curved portion of the concave groove 121 and the angle control block 230 is adjacent, the upper cover of the light emitting unit (200) 300 is laminated and coupled to the straight through hole 310 is coupled to expose the LED 220, the cover portion 300 through the fastening means penetrating the first coupling hole 122 and the second coupling hole 320. LED lighting device to improve the brightness evenness, characterized in that the fixed to the base body (100).
  2. delete
  3. The method of claim 1,
    The first coupling hole 122 and the second coupling hole 320 is formed to be radially disposed so that a plurality of different angles have a different angle, the fastening means is the first coupling hole 122 and the second coupling hole 320 The inclination of the cover part 300 is formed according to the position to penetrate through the LED lighting device, characterized in that the light irradiation angle of the light emitting part 200 accommodated inside the cover part 300 is adjusted.
KR1020100003425A 2010-01-14 2010-01-14 Illuminating apparatus using LED KR101103587B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100003425A KR101103587B1 (en) 2010-01-14 2010-01-14 Illuminating apparatus using LED

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Application Number Priority Date Filing Date Title
KR1020100003425A KR101103587B1 (en) 2010-01-14 2010-01-14 Illuminating apparatus using LED

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KR20110083273A KR20110083273A (en) 2011-07-20
KR101103587B1 true KR101103587B1 (en) 2012-01-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101369427B1 (en) * 2013-01-22 2014-03-06 (주)창조코프레이션 Led light lamp for street lamp
KR101379396B1 (en) 2012-08-14 2014-03-31 (주)에스엔디코리아 LED used light assembly
KR101807237B1 (en) 2017-07-20 2017-12-08 전재석 Regulator for turn angle of led modules in outdoor led light with led module unit configration

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103133919A (en) * 2011-11-30 2013-06-05 林万炯 Lamp even in illuminance
CN103363329B (en) * 2012-03-31 2016-06-01 海洋王照明科技股份有限公司 Light source assembly and light fixture
CN107131434B (en) * 2016-02-26 2020-03-20 海洋王照明科技股份有限公司 High-altitude searchlight

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100883346B1 (en) 2008-08-08 2009-02-12 김현민 Pannel type led illumination device
US20090109670A1 (en) 2007-10-24 2009-04-30 Lsi Industries, Inc. Adjustable lighting apparatus
KR20090128697A (en) * 2008-06-11 2009-12-16 주식회사 테인엘티에스 An illumination device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090109670A1 (en) 2007-10-24 2009-04-30 Lsi Industries, Inc. Adjustable lighting apparatus
KR20090128697A (en) * 2008-06-11 2009-12-16 주식회사 테인엘티에스 An illumination device
KR100883346B1 (en) 2008-08-08 2009-02-12 김현민 Pannel type led illumination device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101379396B1 (en) 2012-08-14 2014-03-31 (주)에스엔디코리아 LED used light assembly
KR101369427B1 (en) * 2013-01-22 2014-03-06 (주)창조코프레이션 Led light lamp for street lamp
KR101807237B1 (en) 2017-07-20 2017-12-08 전재석 Regulator for turn angle of led modules in outdoor led light with led module unit configration

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