KR20110085308A - A light emitting diode lamp useing a spread lens - Google Patents

A light emitting diode lamp useing a spread lens Download PDF

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Publication number
KR20110085308A
KR20110085308A KR1020100005017A KR20100005017A KR20110085308A KR 20110085308 A KR20110085308 A KR 20110085308A KR 1020100005017 A KR1020100005017 A KR 1020100005017A KR 20100005017 A KR20100005017 A KR 20100005017A KR 20110085308 A KR20110085308 A KR 20110085308A
Authority
KR
South Korea
Prior art keywords
light emitting
light
emitting diode
attached
concave reflector
Prior art date
Application number
KR1020100005017A
Other languages
Korean (ko)
Inventor
유현수
Original Assignee
유현수
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 유현수 filed Critical 유현수
Priority to KR1020100005017A priority Critical patent/KR20110085308A/en
Publication of KR20110085308A publication Critical patent/KR20110085308A/en

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Classifications

    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • 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
    • F21V7/04—Optical design
    • 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

Abstract

PURPOSE: A diffusion lens for a light emitting diode lamp is provided to light a wide area by firstly reflecting light in a concave reflector and secondly reflecting light in a reflection plate. CONSTITUTION: A concave reflector(6) is located on the upper side of a diffusion lens(5) and firstly reflects light via the diffusion lens. The concave reflector is attached to the center of a transmitting window(8a,8b) and transmits light reflected in a reflection plate(7a,7b). The reflection plate secondly reflects light reflected in the concave reflector.

Description

       Diffusion lens for light emitting diode lamps

 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a light emitting diode lamp configured to diffuse light having high brightness by reflecting light generated from a plurality of high brightness light emitting diodes onto a reflector, and more particularly, a printed circuit board having a plurality of high brightness light emitting diodes arranged thereon. The body is attached, and both ends are attached to the upper portion of the body is a convex hemispherical, but the convex portion is a diffuse lens for diffusing light generated in a plurality of high brightness light emitting diodes above the high brightness light emitting diodes, and Located at the top of the diffuser lens, one side of the acrylic transmission window is attached to both sides, and a concave reflector for primary reflection of the light transmitted through the diffuser lens, and a concave reflector at the center of one side, and the other side Is coupled to the top of the other side of the reflector and The diffusion lens is characterized by consisting of a transmission window for transmitting the reflected light, and a reflecting plate having one side attached to the upper left and right sides of the body, the other side is open upward and reflects the light reflected from the concave reflector upwards. It relates to a light emitting diode lamp provided.

           Light emitting diodes (LEDs) produce a small number of carriers (electrons or holes) injected using semiconductor pn junction structures, and emit light by recombination of them. It is widely used, and the range of its use is expanding, such as being used as a lighting fixture in recent years.

In general, lighting fixtures using light emitting diodes consume less energy than conventional mercury or sodium lamps, resulting in low energy consumption, low voltage, low risk of short circuit and electric shock, and excellent brightness, long distance, and long lifespan. Although it is widely used for high efficiency lighting because of its low cost, the light emitting diode has a limitation in that it can be used as a light that needs to be illuminated in a wide space because the light emitting diode has a strong straightness.

The present invention is to solve the above problems to diffuse the light from the light emitting diode to the diffusion lens in order to brighten the space widely, and to reflect the first diffused light in the concave reflector and the second reflected light back to the second reflector It is an object of the present invention to reflect a large area like a conventional lighting fixture by reflecting.

In order to achieve the above object, a plurality of high brightness light emitting diodes are attached to a body to which a fixed printed circuit board is attached, and both ends are attached to the upper part of the body and are convex and hemispherical. Diffusion lens for diffusing light generated from a plurality of high-brightness light emitting diodes from the upper side, and is located on the upper side of the diffusing lens, one side of the transmission window of transparent or opaque acrylic is attached to both sides and the light transmitted through the diffusing lens A concave reflector for first reflecting the light, a concave reflector attached to the center of one side, the other side of which is opened downward and is coupled to the upper part of the other side of the reflecting plate, and a transmission window for transmitting light reflected from the reflecting plate; One side is attached and the other side is open upward and concave It is a feature of the present invention that it is composed of a reflecting plate for secondaryly reflecting the light reflected by the reflector.

As described above, the present invention diffuses the light from the high-brightness light emitting diode in the diffusing lens, firstly reflects it in the concave reflector, and secondly reflects it again in the reflecting plate to obtain diffused light of high brightness. It is effective to make it light.

1 is a perspective view of a light emitting diode lamp according to the present invention;
2 is a cross-sectional view of a light emitting diode lamp according to the present invention.
3 is a cross-sectional view showing the reflection of light of the light emitting diode lamp according to the present invention;
4 is a cross-sectional view showing another embodiment of a light emitting diode lamp according to the present invention.
5 is a cross-sectional view of a conventional light emitting diode lamp.

Hereinafter, the preferred configuration according to the present invention will be described in detail with reference to the drawings.

The light emitting diode lamp 1 equipped with the diffusion lens according to the present invention reflects light generated from a plurality of high brightness light emitting diodes as shown in FIGS. A diode lamp, comprising: a body (2) having a printed circuit board (3) having a plurality of high-brightness light emitting diodes (4) arranged in a row thereon, and both ends thereof attached to an upper portion of the body (2); A diffuse lens 5 having a convex hemispherical shape but having a convex portion spreading light generated from the plurality of high brightness light emitting diodes 4 above the high brightness light emitting diodes 4, and spaced apart from the upper portion of the diffusion lens 5. And a concave reflector 6 which is positioned on both sides and has one side of transparent windows opaque acrylics 8a and 8b attached to each side and primarily reflects the light transmitted through the diffusion lens 5, and one side being The concave reflector 6 is attached thereto, and the other side thereof is opened downward, and is coupled to the other upper portion of the reflecting plates 7a and 7b and transmits the light reflected from the reflecting plates 7a and 7b. ), And one side is attached to the upper left and right side of the body (2), the other side is open up and consists of reflecting plates (7a) (7b) for secondary reflection of the light reflected from the concave reflector (6).

The body 2 has a rectangular parallelepiped shape as shown in FIGS. 1 to 4, and a printed circuit board 3 having a general plate shape is attached to an upper center thereof, and a plurality of heat sinks 9 having a plate shape are arranged on the left and right sides of the body 2. Spaced apart and attached integrally with the body (2) in a fan shape to naturally discharge heat generated from the high brightness light emitting diode (4) to the outside, to supply power to the high brightness light emitting diode (4) inside Conventional apparatus is provided.

The plurality of high brightness light emitting diodes 4 are fixed in a state of being arranged in a line on the printed circuit board 3 so as to exhibit high brightness and to adjust the intensity of light according to the number arranged on the printed circuit board 3. It is.

The diffusion lens 5 has a thin and transparent hemispherical shape, and both ends thereof are attached to both sides of the upper part of the body 2, and the convex portion is a straightness generated in the plurality of high brightness light emitting diodes 4 above the light emitting diodes 4. This strong light is refracted and diffused.

The concave reflector 6 is installed at a predetermined interval at an upper center of the diffuser lens 5 and primarily reflects the light transmitted through the diffuser lens 5 to the lower reflector plates 7a and 7b. One side of the transmission windows 8a and 8b made of transparent or opaque acrylic is integrally attached to both the left and right sides.

The transmissive windows 8a and 8b have a concave reflector 6 attached to the center of one side thereof, and the other side thereof is spread downward to be coupled to the upper part of the other side of the reflector plates 7a and 7b. It is intended to transmit light reflected from the

The reflecting plates 7a and 7b are gently concave in shape, and one end is integrally coupled to the upper left and right sides of the body 2 and the upper side is bent upward while the other side is opened. Secondary reflection of the reflected light.

Another embodiment of the reflector plates 7a and 7b is described below with reference to FIG. 4.

The reflection plate (7a) (7b) is one side is integrally installed on the upper left and right side of the body (2) and the other side is in contact with the lower side of the other side of the transmission window (8a) (8b) and the light angle control plate (10a) at the end ( 10b) is provided so as to control the degree of diffusion of light by changing the bending angles of the reflecting plates 7a and 7b.

Hereinafter will be described the operation according to the present invention.

In the light emitting diode lamp 1 according to the present invention, when the power is supplied, a bright and strong light is generated in the plurality of high brightness light emitting diodes 4 arranged in a row on the printed circuit board 3. It is refracted and diffused through 5). The light transmitted through the diffusion lens 5 is primarily reflected downward through the concave reflector 6 installed at a predetermined interval on the upper portion of the diffusion lens 5, and the light is again reflected by the body 2. The secondary light is reflected upward by the dish-shaped concave reflecting plates 7a and 7b provided on the upper left and right sides so that bright light is transmitted through the transmission windows 8a and 8b.

On the other hand, the high brightness LED 4 emits heat as light is generated, and the heat sink 9 located on the lower surface of the printed circuit board 3 emits heat generated from the high brightness LED 4 to the outside. It is intended to cool naturally.

1, 1 '. Light Emitting Diode Lamp 2, 2 '. Body
3, 3 '. Printed circuit board 4, 4 '. High Brightness Light Emitting Diode
5. Diffuse Lens 6. Concave Reflector
7a, 7b. Reflectors 8a, 8b. Transmission window
9, 9 '. Heat sink 10a, 10b. Light Angle Control Panel

Claims (1)

A light emitting diode lamp having a printed circuit board having a plurality of light emitting diodes arranged thereon and a heat sink attached to a side of the body, the both ends of which are attached to the top of the body 2 and are convex upward. Hemispherical, but the convex portion is spaced apart from the diffusion lens 5 and the upper portion of the diffusion lens 5 for diffusing the light generated by the plurality of high brightness light emitting diodes (4) above the high brightness light emitting diodes (4) One side of the transmission window 8a, 8b made of acryl is located at both sides, and has a concave reflector 6 for primary reflection of the light transmitted through the diffusion lens 5, and the concave reflector at one side of the center. (6) is attached and the other side is opened downward and is coupled to the upper part of the other side of the reflecting plates (7a) (7b) and the transmission windows (8a) (8b) for transmitting the light reflected from the reflecting plates (7a) (7b), Left and right of the body (2) One side is attached to the upper surface, the other side is open up and the light emitting diode lamp with a diffusion lens, characterized in that consisting of reflecting plates (7a) (7b) for secondary reflection of the light reflected from the concave reflector (6) .
KR1020100005017A 2010-01-20 2010-01-20 A light emitting diode lamp useing a spread lens KR20110085308A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100005017A KR20110085308A (en) 2010-01-20 2010-01-20 A light emitting diode lamp useing a spread lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100005017A KR20110085308A (en) 2010-01-20 2010-01-20 A light emitting diode lamp useing a spread lens

Publications (1)

Publication Number Publication Date
KR20110085308A true KR20110085308A (en) 2011-07-27

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Family Applications (1)

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KR1020100005017A KR20110085308A (en) 2010-01-20 2010-01-20 A light emitting diode lamp useing a spread lens

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101285691B1 (en) * 2011-09-26 2013-07-12 주식회사 케이디파워 a illuminator apparatus for prakinglot
KR200477673Y1 (en) * 2015-02-26 2015-07-09 새빛테크 주식회사 LED lighting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101285691B1 (en) * 2011-09-26 2013-07-12 주식회사 케이디파워 a illuminator apparatus for prakinglot
KR200477673Y1 (en) * 2015-02-26 2015-07-09 새빛테크 주식회사 LED lighting device

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