KR102009556B1 - 3D LED lightning apparatus easy to change pointing degree - Google Patents

3D LED lightning apparatus easy to change pointing degree Download PDF

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Publication number
KR102009556B1
KR102009556B1 KR1020170065426A KR20170065426A KR102009556B1 KR 102009556 B1 KR102009556 B1 KR 102009556B1 KR 1020170065426 A KR1020170065426 A KR 1020170065426A KR 20170065426 A KR20170065426 A KR 20170065426A KR 102009556 B1 KR102009556 B1 KR 102009556B1
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KR
South Korea
Prior art keywords
light source
sub
main
light
led
Prior art date
Application number
KR1020170065426A
Other languages
Korean (ko)
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KR20180129421A (en
Inventor
남정식
장준혁
왕범래
Original Assignee
(주)코아시아
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Priority to KR1020170065426A priority Critical patent/KR102009556B1/en
Publication of KR20180129421A publication Critical patent/KR20180129421A/en
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Publication of KR102009556B1 publication Critical patent/KR102009556B1/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
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
    • 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
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • 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
    • F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • 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]

Abstract

There is provided a three-dimensional LED that is easy to change the orientation angle. According to an exemplary embodiment of the present invention, a three-dimensional LED having an easily changed orientation angle may include: a main light source having a polygonal shape having at least three sides and having a first light emitting one light; At least one sub light source formed to be in contact with one side of the main light source; A connection part formed between the main light source and the sub light source to connect the main light source and the sub light source to each other, and to adjust a directing angle which is an angle between the sub light source and the main light source through a folding structure; And a fixing member fixing the main light source and the sub light source.

Description

3D LED lightning apparatus easy to change pointing degree}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional LED that is easy to change the directivity angle, and more particularly, to a three-dimensional LED that is formed in three dimensions by forming a sub-light source around the main light source and changing the direct-angle of the sub-light source.

In general, LEDs are used to generate light by converting electrical signals into infrared, visible or ultraviolet light using the properties of compound semiconductors. Such LEDs emit light by displaying a plurality of diodes, and thus can be used in various ways because they can be distinguished from a long distance and can express various colors.

In the LED package structure according to the related art using the LED, an electrode lead frame for applying power to the LED from an external PCB is formed and disposed on the LED package body, respectively. The LED is mounted on a sub-mount made of silicon, and the sub-mount is etched to form a reflective hole inside the sub-mount, and a reflective layer is formed on the reflective hole, and then the LED is mounted. The LED package thus formed reflects the light generated by the LED in the reflecting cup and is emitted to the outside through the mold lens.

However, in the case of the LED package having such a structure, since the angle of the reflecting cup is fixed, there is a problem that it is difficult to adjust the angle reflected by the light generated from the LED reflecting cup.

KR 10-1079920 B

In order to solve the problems of the prior art as described above, an embodiment of the present invention is to provide a three-dimensional LED easy to change the orientation angle formed in a three-dimensional form that can emit light at various angles according to the needs of the user do.

According to an aspect of the present invention for solving the above problems, there is provided a three-dimensional LED easy to change the orientation angle. The three-dimensional LED easy to change the direction angle, the main light source is formed in a polygonal shape having at least three sides, the LED having one surface for emitting the first light; At least one sub light source formed to be in contact with one side of the main light source; A connection part formed between the main light source and the sub light source to connect the main light source and the sub light source to each other, and to adjust a directing angle which is an angle between the sub light source and the main light source through a folding structure; And a fixing member fixing the main light source and the sub light source.

The main light source, the other side is connected to the fixing member, it can be supplied power using a portion of the fixing member.

The secondary light source may be configured to control light distribution by emitting a second light having the directivity angle so as to be parallel to or intersecting with the first light.

The secondary light source may be formed as a reflective plate that reflects the first light to emit the second light.

The secondary light source may be formed as an LED that receives power through the main light source and emits a second light.

The secondary light source may be formed to further include a reflection plate having a predetermined width at each side.

At least two secondary light sources may be formed, and may be formed of at least one reflective plate and at least one LED.

The connection part may be formed by coupling one surface of the flexible substrate to one surface of the fixing member using a polyimide adhesive.

The connection part may be formed by performing nickel-tungsten plating on the other surface of the flexible substrate.

The fixing member may be formed of aluminum or copper series.

According to an embodiment of the present invention, the three-dimensional LED that can be easily changed in the orientation angle has an effect of adjusting the angle of light generated in a desired direction by the user, which has a configuration in which the orientation angle is easily changed.

1 is a view showing a) one side and b) the other side of the three-dimensional LED is easy to change the orientation angle according to an embodiment of the present invention.
2 is a view showing a main light source according to an embodiment of the present invention.
3 is a view showing a negative light source according to an embodiment of the present invention.
Figure 4 is a view showing various examples of the folded portion formed in the fixing member according to an embodiment of the present invention.
5 is a cross-sectional view of a connecting portion according to an embodiment of the present invention.
6 is a three-dimensional view when the secondary light source of the three-dimensional LED easy to change the directivity angle according to an embodiment of the present invention is an LED.
7 is a three-dimensional view of the case where the secondary light source of the three-dimensional LED easy to change the orientation angle according to an embodiment of the present invention is a reflecting plate.
FIG. 8 is a diagram illustrating an example of use of a three-dimensional LED in which a reflection angle is formed in a sub-light source unit according to an embodiment of the present invention.
FIG. 9 is a diagram illustrating an example of using a three-dimensional LED in which a change in a direction angle in which LEDs are mounted in a sub-light source unit according to an embodiment of the present invention is easy.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like elements throughout the specification.

1 is a view showing a) one side and b) the other side of the three-dimensional LED easy to change the orientation angle according to an embodiment of the present invention, Figure 2 is a main light source according to an embodiment of the present invention 3 is a view showing a negative light source according to an embodiment of the present invention. Hereinafter, a three-dimensional LED that is easy to change a direction angle according to an exemplary embodiment of the present invention will be described in detail with reference to FIGS. 1 to 3.

 Referring to FIG. 1A, the three-dimensional LED 100 in which the directivity angle is easily changed according to an exemplary embodiment of the present invention emits a first light from the main light source 110 and emits a second light from the sub light source 130. It is formed to emit light.

The main light source 110 is formed by mounting the LED light source. The main light source 110 may be preferably formed in a polygonal shape having at least three sides. In this case, the main light source 110 may include an LED for emitting the first light to one surface of the polygon. In addition, the main light source 110 may receive power from the outside by using the other surface that does not emit the first light, and operate the LED using the supplied power.

An example of such a main light source 110 is shown in FIG. 2. Referring to FIG. 2, the main light source 110 according to an exemplary embodiment of the present invention includes a main light source 210 and a main bezel 230 that emit the first light.

The main light source unit 210 is formed in a polygonal shape having at least three sides. An LED is mounted inside the main light source 210 to emit the first light, and the LED to be mounted may be a surface light source, at least one line light source, or one or more point light sources.

The main bezel part 230 is formed in each side of the main light source part 210. The main bezel part 230 may be formed to have a predetermined width to protect the light transmitting surface (not shown) formed in the main light source part 210 and the connection part described later. In this case, the main bezel part 230 may be formed of a material having a high reflectance reflecting the second light generated in the direction of the main light source 110 in order to increase the light efficiency of the 3D LED 100. The bezel part 230 may be a reflective plate.

On the other hand, at least one secondary light source 130 is formed to be in contact with one side of the main light source 110, preferably the same number as the number of sides of the main light source (110). The secondary light source 130 emits the second light having a predetermined angle with the first light generated by the main light source 110. In this case, the sub light source 130 may change the directivity angle of the light generated by the 3D LED 100 by adjusting the light emission direction of the second light.

An example of such a secondary light source 130 is illustrated in FIG. 3. Referring to FIG. 3, the sub-light source 130 according to the exemplary embodiment of the present invention includes a sub-light source unit 310 and a sub-bezel unit 330 that emit the second light.

The secondary light source unit 310 is formed in a polygonal shape having at least three sides and emits second light. In this case, the second light generated by the sub light source unit 310 may be light generated from the LED mounted on the sub light source unit 310, or may be reflected light formed by reflecting the first light generated by the main light source 110. have. That is, the sub-light source unit 310 may be formed of an LED that can generate light according to a user's setting, or may be formed of a reflecting plate that reflects the first light to generate reflected light.

Here, when the secondary light source unit 310 is formed of an LED that can generate light by itself, the light source may be supplied from the main light source unit 210 to perform only simple light emission, but the operation of the LED formed in the secondary light source unit 310 For this purpose, the driving device may be mounted inside or on the other surface of the sub-light source unit 310.

The sub-bezel portion 330 is formed on each side of the sub-light source portion 310. The sub-bezel part 330 may be formed to have a predetermined width to protect the light transmitting surface (not shown) formed in the sub-light source part 310 and the connection part described later. In this case, the secondary bezel part 330 may be formed of a material having a high reflectance to reflect the first light generated by the main light source 110 in order to increase the light efficiency of the 3D LED 100. The bezel part 330 may be a reflective plate.

In addition, when a plurality of secondary light sources 130 are formed, all of them may be formed of LEDs, all of them may be formed of reflecting plates, or may include both LEDs and reflecting plates according to a user's needs.

Meanwhile, the above-described main light source 110 and the secondary light source 130 may be connected and fixed to each other using the fixing member 150. Referring to FIG. 1B, each of the main light source 110 and the sub light source 130 is connected to one fixing member 150. In this case, one surface connected to the fixing member 150 of the main light source 110 and the sub light source 130 may be a surface opposite to a direction in which the first light and the second light emit light, and more precisely, the main bezel part 230. ) And the secondary bezel part 330 may not exist.

The fixing member 150 may receive power from the outside and transfer the power to the main light source 110 to generate the first light from the main light source. At this time, the power supplied to the main light source 110 is the secondary light source through an electrical circuit formed in the fixing member 150 or the connection unit 170 to be described later to electrically connect the main light source 110 and the secondary light source 130. The second light source 130 may be transmitted to the 130 to generate the second light when the secondary light source 130 is an LED.

In addition, the fixing member 150 may be preferably formed of 10 aluminum series. Aluminum 10 series, also referred to as pure aluminum, is a non-heat treatment alloy, and is used in various fields such as home appliances, disposable products, electrical appliances, and electronic devices because of its excellent workability, corrosion resistance, and surface treatment. In addition, there is also an advantage that it is possible to easily change the direction angle of the secondary light source 130, which is the main effect of the present invention by using a low intensity, which is one of the characteristics of the aluminum 10 series.

In addition, the fixing member 150 may further include a folded portion 410 as shown in FIGS. 4A and 4B in a portion where the connection portion 170 exists to change the orientation angle of the sub-light source 130. Referring to FIG. 4, the fixing member 150 according to the exemplary embodiment of the present invention may further include a folded portion 410 to easily adjust the orientation angle of the sub-light source 130. At this time, the folded portion 410 may be formed in a form in which a portion is cut as shown in Figure 4a, or may be formed of a material having a predetermined or more tensile or yield strength, as shown in Figure 4b.

On the other hand, the three-dimensional LED 100 easy to change the orientation angle according to an embodiment of the present invention further includes a connection unit 170 for electrically connecting the main light source 110 and the secondary light source (130).

5 is a cross-sectional view of a connecting portion according to an embodiment of the present invention. Referring to FIG. 5, a connection unit 170 according to an embodiment of the present invention is formed between the main light source 110 and the sub light source 130 among one surface of the fixing member 150. In this case, the connection part 170 is formed of an adhesive 510, a substrate 530, and a plated plate 550.

The adhesive agent 510 is formed in order to adhere | attach and fix the board | substrate 530 mentioned later to the fixing member 150. FIG. In this case, the adhesive 510 may be a polyimide adhesive, for example.

The substrate 530 is formed to electrically connect the main light source 110 and the sub light source 130. The substrate 530 has one end connected to the main light source 110 and the other end connected to the sub light source 130 to electrically connect the two light sources 110 and 130. In this case, one surface of the substrate 530 may be connected to one surface of the fixing member 150 using the adhesive 510. In addition, the substrate 530 is formed when the orientation angle of the sub-light source 130 is changed, that is, when a part of the fixing member 150 is folded to have the inclination of the sub-light source 130. It may be formed of a flexible substrate so as not to be disconnected.

The plated plate 550 is formed at the outermost side of the connecting portion 170. The plate 550 is formed by plating the other side of the substrate 530 with a nickel-tungsten alloy. Using this, the connection unit 170 according to an embodiment of the present invention may prevent corrosion and wear of the substrate 530.

On the other hand, the three-dimensional LED easy to change the orientation angle according to an embodiment of the present invention having the above-described configuration is shown in Figures 6 and 7. Figure 6 is a three-dimensional view when the secondary light source of the three-dimensional LED easy to change the directivity angle according to an embodiment of the present invention, Figure 7 is easy to change the directivity angle according to an embodiment of the present invention 3 It is a three-dimensional view when the secondary light source of the two-dimensional LED is a reflecting plate.

Referring to FIG. 6, the three-dimensional LED 100 in which the orientation angle is easily changed according to an exemplary embodiment of the present invention has an expanded form as illustrated in FIG. 6A. At this time, the secondary light source 130 is formed of an LED capable of generating light by itself, the three-dimensional LED 100, the secondary light source 130 and the main light source (using the connection unit 170 according to the user's request or setting) By changing the angle formed by 110 to change the orientation angle, it can be transformed into a three-dimensional form as shown in Figure 6b.

In this case, the primary light source 110 generates the first light, the secondary light source 130 generates the second light, respectively, the generated first light is vertically down, based on the three-dimensional LED 100, the second The light travels in the horizontal direction to not only emit light in three dimensions, but also to add various design variations by using a directing angle formed by the sub-light source 130.

In addition, referring to FIG. 7, the three-dimensional LED 100 in which the orientation angle is easily changed according to an embodiment of the present invention may have an expanded form as illustrated in FIG. 7A. In this case, in the case of the sub-light source 130, the sub-light source 130 is formed of a reflecting plate reflecting external light to generate reflected light, and the 3D LED 100 uses the sub-light source using the connection unit 170 according to a user's request or setting. By changing the angle formed by the 130 and the main light source 110, the orientation angle may be changed to be changed into a three-dimensional shape as shown in FIG. 7B.

In this case, the main light source 110 may generate the first light, and the sub light source 130 may generate the second light, which is the reflected light reflecting light in the horizontal direction among the light of the first light source. The first light is vertically down based on the 3D LED 100, and the second light travels in the horizontal direction to emit light in three dimensions, and also uses a direction angle formed by the sub-light source 130. It is effective to add various external design variations.

On the other hand, the secondary light source 130 is not limited to the shape as shown in Figs. 7a and 7b can also be formed in a trapezoidal shape as shown in Fig. 7c. However, the present invention is not limited thereto, and it is reasonable to consider that one side, which is an essential element of the secondary light source of the present invention, is included in the configuration of the present invention when the side is connected to one side of the main light source.

An example of using a three-dimensional LED with such a change in orientation angle is illustrated in FIGS. 8 and 9. 8 is a view showing an example of use of a three-dimensional LED easy to change the orientation angle in which the reflecting plate is formed in the secondary light source unit according to an embodiment of the present invention, Figure 9 is an LED of the secondary light source unit according to an embodiment of the present invention Figure 1 shows an example of the use of the three-dimensional LED is easy to change the mounted angle, respectively.

Referring to FIG. 8, a plurality of three-dimensional LEDs 100 easily changeable according to an embodiment of the present invention may be formed on one substrate 810 to form an illumination 800 that may be easily changed. Can be. Illumination 800, which can easily change the directivity angle, may set the directivity angle of each 3D LED 100 at different angles, and distribute light at various angles by using the light beams. There is an advantage to tune. At this time, the illumination 800 is easy to change the angle, although the three-dimensional LED 100 is formed with a reflecting plate formed in the secondary light source unit, the present invention is not limited to this, the LED may be mounted to the secondary light source unit.

In addition, referring to Figure 9, the three-dimensional LED 100 is easy to change the orientation angle according to an embodiment of the present invention, the folding direction of the folding portion 410 is opposite to the three-dimensional LED 100 of FIG. Folded in the direction, it is formed to emit light in all directions except for the other surface of the main light source 210 may be used as an illumination 900 that can easily change the orientation angle. Through this, the illumination 900 easily change the direction angle, it is possible to adjust the angle at which the light is emitted using the change of the direction angle, such as fog lights or headlights inside the vehicle that requires the light having such an easy angle adjustment function May be used.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiments set forth herein, and those skilled in the art who understand the spirit of the present invention, within the scope of the same idea, the addition of components Other embodiments may be easily proposed by changing, deleting, adding, etc., but this will also fall within the spirit of the present invention.

100: 3-dimensional LED with easy change of aiming angle
110: main light source 130: secondary light source
150: fixing member 170: connecting portion
210: main light source 230: main bezel
310: secondary light source 330: secondary bezel
410: folded portion 510: adhesive
530: substrate 550: plated plate
800, 900: Lighting with easy change of aiming angle
810: substrate

Claims (10)

A main light source having a polygonal shape having at least three sides, the main light source having an LED emitting one light to one surface;
At least one secondary light source which is formed to be in contact with one side of the main light source and is configured to emit a second light having a directivity angle to be parallel to or intersect with the first light to control light distribution;
A connection part formed between the main light source and the sub light source to connect the main light source and the sub light source to each other, and to adjust a direction angle at which the sub light source forms an angle with the main light source through a folding structure;
A fixing member for fixing the main light source and the sub light source; And
And a power supply fixing part connected to an opposite surface of the one surface emitting the first light of the main light source and receiving power from the outside to supply power to the main light source.
The main light source,
A main bezel part connected to the other side of the fixing member and supplied with power using a portion of the fixing member and formed at each side to protect the connection portion and reflect the second light;
The secondary light source,
A sub-light source unit which is formed of an LED that emits the second light by receiving power through the reflecting plate reflecting the first light or the main light source; And
And a sub-bezel part formed on each side of the sub light source unit to protect the connection part and reflect the first light. 3. delete delete delete delete delete The method of claim 1,
At least two secondary light sources are formed,
The three-dimensional LED lighting device is easy to change the orientation angle formed of the at least one reflecting plate and at least one LED. The method of claim 1,
The connection part is a three-dimensional LED lighting device that is easy to change the orientation angle is formed by combining one surface of the flexible substrate and one surface of the fixing member using a polyimide adhesive. The method of claim 8,
The connection part, the three-dimensional LED lighting device is easy to change the orientation angle formed by performing nickel-tungsten plating on the other surface of the flexible substrate. The method of claim 1,
The fixing member is a three-dimensional LED lighting device that is easy to change the orientation angle is formed of aluminum or copper series.
KR1020170065426A 2017-05-26 2017-05-26 3D LED lightning apparatus easy to change pointing degree KR102009556B1 (en)

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KR101079920B1 (en) 2010-01-26 2011-11-04 전숙영 Assembly block led and display device
US8450756B2 (en) * 2010-06-14 2013-05-28 Micron Technology, Inc. Multi-dimensional LED array system and associated methods and structures
KR101423531B1 (en) * 2012-07-18 2014-09-01 주식회사 홀로티브 Holographic street lighting device and its management system

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