KR20140125698A - The LED bulb lighting lamp equipped with reflector - Google Patents

The LED bulb lighting lamp equipped with reflector Download PDF

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Publication number
KR20140125698A
KR20140125698A KR1020130049936A KR20130049936A KR20140125698A KR 20140125698 A KR20140125698 A KR 20140125698A KR 1020130049936 A KR1020130049936 A KR 1020130049936A KR 20130049936 A KR20130049936 A KR 20130049936A KR 20140125698 A KR20140125698 A KR 20140125698A
Authority
KR
South Korea
Prior art keywords
bulb
reflector
led
light source
fixture
Prior art date
Application number
KR1020130049936A
Other languages
Korean (ko)
Inventor
김상규
Original Assignee
(주)엔티시
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 (주)엔티시 filed Critical (주)엔티시
Publication of KR20140125698A publication Critical patent/KR20140125698A/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
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • 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
    • F21K9/68—Details of reflectors forming part of the light source
    • 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
    • F21V17/12—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 by screwing
    • 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

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The present invention relates to an LED bulb having a reflector. More specifically, a reflector having a curved reflective surface for reflecting light emitted from the LED light source is attached and fixed to an inner surface of the bulb, Is located at the central portion of the irradiation region of the light irradiated to the inner surface of the bulb.

Description

The LED bulb lighting lamp is equipped with a reflector,

The present invention relates to an LED bulb having a reflector, and more particularly, to an LED bulb having a reflector capable of ensuring a maximum illumination space by reflecting a light of an LED light source having a strong straight- Bulb and the like.

Light emitting diodes (LEDs), which were born in the 1960s as light sources using solid state devices, due to their long lifespan, robust construction, low power consumption and flexible size, have been used in a wide variety of lighting applications, including incandescent, fluorescent and high- Has replaced the product.

However, LEDs have a problem that light is easily weakened and life is shortened as a result of generating relatively high heat energy, and the illumination space is narrow due to strong straightness.

1, which is a diagram illustrating an LED bulb according to the related art, a conventional LED bulb or the like includes a socket, a substrate provided inside the socket, an LED for emitting light for illumination, A heat sink for efficiently emitting heat generated from the light source and the LED light source, and a bulb for auditing the LED light source.

As described above, the LED bulb according to the related art has a problem that the illumination space is narrow due to the light of the LED light source being straightened in only one direction due to the strong straightness as described above.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an LED bulb equipped with a reflector capable of reducing the production cost of a product and maintenance and repair costs such as an LED bulb, .

Another object of the present invention is to provide an LED bulb having a reflector capable of ensuring a maximum illumination space by reflecting an LED bulb or the like having a strong directivity through a reflector having a curved reflecting surface.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above-mentioned objects, a reflector having a curved reflective surface for reflecting light irradiated from the LED light source is attached and fixed to the inner surface of a bulb, and the reflector is irradiated from the LED light source to the inner surface of the bulb It is possible to locate the center of the irradiation area of the light.

Preferably, at a position where the reflector is attached and fixed, the bulb is provided with a through hole that passes through the inside and the outside of the bulb, and a fixture that abuts the outside of the bulle at a position where the through hole is formed may be provided.

Preferably, a screw hole is formed in one of the reflector and the fixture, and a bolt inserted into the through hole and screwed into the screw hole may be formed in the other of the reflector and the fixture.

Preferably, the reflector is integrally coupled with the fixture by screwing the bolt and the screw hole, and can be fixedly attached to the inner surface of the bulb.

Preferably, the reflector may be in the form of a curved surface with a convex reflective surface or a concave curved surface.

The present invention has the following excellent effects.

First, the construction is simple, and the cost of maintenance and repair such as production cost and bulb of the product can be reduced.

In addition, there is an excellent effect that the maximum illumination space can be ensured by reflecting the light of the LED light source having a strong directivity through the reflector having the curved reflection surface.

1 shows an LED bulb according to the prior art.
FIG. 2 is a view showing the overall structure of an LED bulb having a reflector according to an embodiment of the present invention. FIG.
FIG. 3 is a view showing the overall structure of an LED bulb having a reflector according to another embodiment of the present invention. FIG.

The term used in the present invention is a general term that is widely used at present. However, in some cases, there is a term selected arbitrarily by the applicant. In this case, the term used in the present invention It is necessary to understand the meaning.

Hereinafter, the technical structure of the present invention will be described in detail with reference to preferred embodiments shown in the accompanying drawings.

FIG. 2 is a view showing the overall configuration of an LED bulb having a reflector according to an embodiment of the present invention. FIG. 3 is a view showing an overall structure of an LED bulb having a reflector according to another embodiment of the present invention. Fig.

2, an LED bulb 100 including a reflector according to an exemplary embodiment of the present invention includes a bulb 110 having a predetermined shape and an LED light source 120 ), A substrate on which at least one or more LED elements are arranged as the LED light source 120, a substrate exposed to the outside of the bulb so that the heat transmitted from the LED light source comes into contact with the back surface of the plate, And a socket coupling portion coupled to the heat dissipation portion and coupled to a socket (not shown) of the lighting device.

In this case, the bulb 110 is formed of a transmissive material that transmits light generated from the LED light source 120. Generally, the bulb 110 is formed to diffuse light transmitted through the LED light source 120 to dissipate glare.

In addition, although the bulb 110 may be formed in various shapes such as a sphere or a cylinder, the bulb 110 may be formed in a spherical shape. However, the bulb 110 is not limited thereto. Or may be provided in various shapes.

In the LED bulb 100 according to an embodiment of the present invention, a through hole 111 may be formed at a predetermined position of the bulb 110 so as to pass through the inside and the outside of the bulb 110, The role of the hole 111 will be described later.

Meanwhile, an LED light source 120 for emitting light and illuminating a certain space is provided inside the bulb 110.

At this time, the LED light sources 120 may be provided inside the bulb 1110, but if necessary, a plurality of the LED light sources 120 may be provided to maximize illumination efficiency.

In addition, the LED light source 110 may include an LED light source 120 formed of the same material so as to emit uniform color light when a plurality of LED light sources 110 are provided. Alternatively, an LED light source 120 ) May be provided in combination.

Meanwhile, the LED bulb 100 including the reflector according to the exemplary embodiment of the present invention is attached and fixed to the inner surface of the bulb 110 to increase the angle of incidence of the light emitted from the LED light source 120 The reflector 130 is provided. In the following, the reflector 130 will be described in detail.

2 and 3, the reflector 130 is attached and fixed to the inner surface of the bulb 110 as described above. At this time, the reflector 130 is fixed to the inner surface of the bulb 110 from the LED light source 120 It is preferable that the bulb 110 is located at the center of the irradiation area of the light irradiated to the inner surface.

In addition, the reflector 130 may have various shapes, and may have a curved reflective surface for efficient reflection of light.

2, the reflector 130 according to an exemplary embodiment of the present invention has a curved surface with a convex surface, and the opposite surface has a convex surface with an inner surface of the bulb 110 And has a disc shape as a whole.

Meanwhile, the reflector 130 according to another embodiment of the present invention has a curved surface with a concave reflecting surface as shown in FIG. 3, and the opposite surface is the same as that described in the embodiment.

In addition, the material of the reflector 130 is configured to maximize the illumination efficiency by reflecting the light generated from the LED light source 120 to increase the angle of diffraction of the LED illumination. A reflector made of a material can be used.

As described above, the reflector 130 is attached and fixed to the inner surface of the bulb 110. At this time, as a method of fixing the reflector 130, various adhesives are applied to one surface of the reflector 130, One surface of the reflector 130 coated with the adhesive may be attached to the inner surface of the bulb 110 and fixed.

2 and 3, the LED bulb 100, 200 having a reflector according to a preferred embodiment of the present invention is mounted on the bulb 130 using a separate fixture 140, And the fixture 140 will be described in detail below.

2 and 3, the fixture 140 is provided at a position where the through hole 111 is formed and in contact with the outside of the bulb 110. In the fixture 140, A bolt 141 inserted into the through hole 111 is formed.

2 and 3, the reflector 130 is formed with a screw hole 131 to be screwed with the bolt 141. The reflector 130 is connected to the bolt 141, And is fixedly attached to the inner surface of the bulb 110 by being coupled with the fixture 140 with the bulb 110 therebetween.

2 and 3, a bolt 141 is formed on the fixture 140, a screw hole 131 is formed in the reflector 130, and the bolt 141 is screwed to the reflector 130, And is fixedly attached to the inner surface of the bulb 110, the present invention is not limited thereto.

That is, contrary to the above, the bolt 141 is formed on one surface of the reflector 130, the screw hole 131 is formed in the fixture 140, and the bolt 141 formed on the reflector 130 And may be screwed to the screw hole 131 formed in the fixture 140 so as to protrude to the outside of the bulb 110 through the through hole 111. [

In the present invention, the fixture 140 may have various shapes. In the present invention, the fixture 140 may have a disk shape larger than the size of the through hole 111, And the curvature of the bulb 110 is the same.

As a result, the LED bulb 100 (200) having a reflector according to one embodiment of the present invention and other embodiments can reduce maintenance costs such as production cost and bulb through the technical constructions described above There is an excellent effect that a maximum illumination space can be ensured by reflecting an LED bulb or the like having a strong directivity through a reflector having a curved reflecting surface.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications may be made by those skilled in the art.

100: an LED bulb having a reflector according to an embodiment of the present invention
110: bulb
111: Through hole
120: LED light source
130: reflector
131: screw hole
140: Fixture
141: Bolt
200: an LED bulb having a reflector according to another embodiment of the present invention

Claims (4)

An LED bulb having an LED light source emitting light inside the bulb,
A reflector having a curved reflective surface for reflecting the light emitted from the LED light source is attached and fixed to the inner surface of the bulb,
And the reflector is located at the center of the irradiation area of the light irradiated from the LED light source to the inner surface of the bulb.
The method according to claim 1,
Wherein the bulb is provided with a through hole penetrating the inside and the outside of the bulb at a position where the reflector is attached and fixed,
And a fixture abutting the outside of the bulb at a position where the through hole is formed,
A screw hole is formed in one of the reflector and the fixture,
A bolt inserted into the through hole and screwed to the screw hole is formed in the other of the reflector and the fixture,
And the reflector is integrally coupled to the fixing member by screwing the bolt and the screw hole, and is attached and fixed to the inner surface of the bulb.
3. The method according to claim 1 or 2,
Wherein the reflector has a curved surface with a convex reflecting surface.
3. The method according to claim 1 or 2,
Wherein the reflector has a curved surface with a concave reflecting surface.
KR1020130049936A 2013-04-19 2013-05-03 The LED bulb lighting lamp equipped with reflector KR20140125698A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130043254 2013-04-19
KR20130043254 2013-04-19

Publications (1)

Publication Number Publication Date
KR20140125698A true KR20140125698A (en) 2014-10-29

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KR1020130049936A KR20140125698A (en) 2013-04-19 2013-05-03 The LED bulb lighting lamp equipped with reflector

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KR (1) KR20140125698A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156930A (en) * 2015-10-13 2015-12-16 桂峰 Self-heat-dissipation lamp bulb
CN106051501A (en) * 2016-07-11 2016-10-26 德清明裕照明电器有限公司 Composite curved reflecting bulb

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156930A (en) * 2015-10-13 2015-12-16 桂峰 Self-heat-dissipation lamp bulb
CN106051501A (en) * 2016-07-11 2016-10-26 德清明裕照明电器有限公司 Composite curved reflecting bulb

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