KR20090119572A - Lighting apparatus for light emitting diode - Google Patents

Lighting apparatus for light emitting diode Download PDF

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Publication number
KR20090119572A
KR20090119572A KR1020080045693A KR20080045693A KR20090119572A KR 20090119572 A KR20090119572 A KR 20090119572A KR 1020080045693 A KR1020080045693 A KR 1020080045693A KR 20080045693 A KR20080045693 A KR 20080045693A KR 20090119572 A KR20090119572 A KR 20090119572A
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South Korea
Prior art keywords
light emitting
emitting diode
diffusion
front cover
coupled
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KR1020080045693A
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Korean (ko)
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성종제
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성종제
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Priority to KR1020080045693A priority Critical patent/KR20090119572A/en
Publication of KR20090119572A publication Critical patent/KR20090119572A/en

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    • 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
    • F21K9/62—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using mixing chambers, e.g. housings with reflective walls
    • 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
    • F21K9/65—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • 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
    • 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
    • F21V7/0058—Reflectors for light sources adapted to cooperate with light sources of shapes different from point-like or linear, e.g. circular 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/14—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
    • 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]

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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

PURPOSE: An LED lighting device is provided to diffuse a light emitted from an LED without a separate part by forming a diffusion part in a reflective plate. CONSTITUTION: An LED lighting device includes a PCB(3), a reflective plate(5), a front cover(7), a diffusion plate(11), and a rear cover(9). A plurality of LEDs is arranged on the PCB with a fixed gap. The reflective plate reflects a light of the LED, and includes a plurality of diffusion parts. The diffusion parts are protruded into a diffusion plate direction. A plurality of holes is concentrically formed in the reflective plate. The front cover receives the PCB and the reflective plate. The diffusion plate is coupled in the front cover. The rear cover is coupled in the front cover.

Description

발광다이오드용 조명장치{Lighting apparatus for light emitting diode}Lighting apparatus for light emitting diodes

본 발명은 발광다이오드용 조명장치에 관한 것으로, 더욱 상세하게는 발광다이오드를 광원으로 하여 기존의 전구를 대용으로 사용할 수 있으며 매장이나 전시장 등에서 장식용 조명으로 이용될 수 있고 빛의 확산성을 증대시키는 발광다이오드용 조명장치에 관한 것이다.The present invention relates to a lighting device for a light emitting diode, and more particularly, a light emitting diode as a light source can be used as a substitute for an existing light bulb and can be used as decorative lighting in stores or exhibition halls, etc. The present invention relates to a lighting device for a diode.

발광다이오드를 이용한 조명장치는 전력소모가 적고 수명이 길다. 이러한 이점을 가지는 발광다이오드를 이용한 조명장치는 발광다이오드를 집중시켜 벌브(Bulb)형으로 만들거나 또는 단순히 발광다이오드를 나란히 배열시키고 전면에 확산판이 결합된 구조가 이용되고 있다. 일반적인 발광다이오드를 이용한 조명장치는 확산판을 구비한 프론트 커버, 이 프론트 커버에 결합되는 리어 커버, 이들 프론트 커버와 리어 커버 사이에 수용되는 반사판, 그리고 반사판에 돌출되어 배치되는 발광다이오드 어셈블리를 포함한다. 이러한 구조로 이루어지는 조명장치는 가정용 또는 현관의 조명으로 사용할 때 더욱 빛의 확산성을 증대시킬 필요가 있으나 이에 충분히 대응하지 못하는 문제점이 있다.Lighting devices using light emitting diodes consume less power and have a longer life. In the lighting apparatus using the light emitting diode having such an advantage, the light emitting diode is concentrated to make a bulb shape, or a structure in which the light emitting diodes are arranged side by side and the diffusion plate is coupled to the front surface is used. A general lighting device using a light emitting diode includes a front cover having a diffusion plate, a rear cover coupled to the front cover, a reflecting plate accommodated between the front cover and the rear cover, and a light emitting diode assembly protruding from the reflecting plate. . The lighting device having such a structure needs to increase the light diffusing property when used as a lighting for a home or a front door, but there is a problem in that it is not sufficient.

따라서, 본 발명은 상기한 문제점을 해결하기 위하여 제안된 것으로써, 본 발명의 목적은 부품의 수를 증대시키지 않으면서도 빛의 확산성을 증대시켜 제품의 품질을 향상시킬 수 있는 발광다이오드용 조명장치를 제공하는데 있다.Therefore, the present invention has been proposed to solve the above problems, an object of the present invention is to improve the quality of the product by increasing the light diffusivity without increasing the number of parts of the lighting device for light emitting diodes To provide.

상기한 바와 같은 목적을 달성하기 위하여, 본 발명은 발광다이오드가 결합된 PCB 기판, 상기 발광다이오드의 일부가 관통되며 빛을 반사하는 반사판, 상기 PCB 기판과 상기 반사판을 수용하는 프론트 커버, 상기 프론트 커버에 결합되는 확산판, 상기 프론트 커버에 결합되는 리어 커버를 포함하며, 상기 반사판은 상기 확산판 방향으로 돌출되는 확산부를 포함하는 발광다이오드용 조명장치를 제공한다. In order to achieve the above object, the present invention provides a PCB substrate coupled to a light emitting diode, a reflecting plate through which a portion of the light emitting diode penetrates and reflects light, a front cover to accommodate the PCB substrate and the reflecting plate, the front cover And a diffuser plate coupled to the front cover, and a rear cover coupled to the front cover, wherein the reflector provides a light emitting diode lighting device including a diffuser projecting toward the diffuser plate.

상기 확산부는 경사진 면으로 이루어지는 것이 바람직하다.It is preferable that the said diffusion part consists of an inclined surface.

상기 확산부는 다수의 동심원 상에 배치되는 것이 바람직하다.The diffusion is preferably arranged on a plurality of concentric circles.

이와 같은 본 발명은 반사판에 동심원을 따라 경사진 확산부를 설치하여 부품을 별도로 추가하지 않으면서 발광다이오드에서 조사되는 빛이 확산되는 것을 증대시켜 제품의 품질을 향상시키는 효과가 있다.The present invention has the effect of improving the quality of the product by increasing the diffusion of the light irradiated from the light emitting diode without separately adding parts by installing a diffuser inclined along the concentric circle on the reflecting plate.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시 예를 상세하게 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 실시 예를 설명하기 위한 사시도이고, 도 2는 도 1을 분해 하여 도시한 분해 사시도이고, 도 3은 도 1의 Ⅲ-Ⅲ부를 잘라서 본 단면도로, 발광다이오드용 조명장치를 도시하고 있다. 발광다이오드용 조명장치는 다수의 발광다이오드(1, LED)가 결합되는 PCB 기판(3), 반사판(5), 프론트 커버(7), 리어 커버(9) 그리고 확산판(11)을 포함한다. 1 is a perspective view for explaining an embodiment of the present invention, Figure 2 is an exploded perspective view showing an exploded view of Figure 1, Figure 3 is a cross-sectional view cut section III-III of Figure 1, a light emitting diode lighting device It is shown. The lighting device for a light emitting diode includes a PCB substrate 3, a reflecting plate 5, a front cover 7, a rear cover 9 and a diffusion plate 11 to which a plurality of light emitting diodes 1 and LEDs are coupled.

PCB 기판(3)은 다수의 발광다이오드(1)가 일정한 간격으로 결합되어 있으며 전원(도시생략)을 공급받아 발광다이오드(1)들을 발광시킬 수 있다. In the PCB substrate 3, a plurality of light emitting diodes 1 are coupled at regular intervals, and the light emitting diodes 1 may be emitted by receiving power (not shown).

반사판(5)은, 도 4 및 도 5에 도시하고 있는 바와 같이, 발광 다이오드(1)들 배치된 위치와 동일한 위치에 다수의 홀(5a)들이 제공된다. 이러한 홀(5a)들은 본 발명의 실시 예에서는 동심원상 위치하는 것을 도시하여 설명하고 있으나 이에 한정되는 것은 아니다. 그리고 이러한 홀(5a)들 사이에는 확산부(5b, 5c, 5d)들이 제공된다. 이러한 확산부(5b, 5c, 5d)들은 동심원 상에 배치되는 것이 바람직하다. 물론 발광다이오드의 배치 구조가 동심원이 아닌 경우에는 발광다이오드(1)들의 측면에 위치할 수 있고 다양한 모양으로 이루어질 수 있다. As shown in FIGS. 4 and 5, the reflecting plate 5 is provided with a plurality of holes 5a at the same position where the light emitting diodes 1 are arranged. These holes 5a are illustrated in the embodiment of the present invention by showing concentric circles, but are not limited thereto. Diffusion portions 5b, 5c, and 5d are provided between the holes 5a. Such diffusions 5b, 5c, 5d are preferably arranged on concentric circles. Of course, when the arrangement of the light emitting diodes is not concentric, the light emitting diodes may be positioned on the side surfaces of the light emitting diodes 1 and may have various shapes.

본 발명의 실시 예의 확산부(5b, 5c, 5d)들은 확산판을 향하는 면을 기준으로 경사면을 가지는 것이 바람직하다. 즉, 본 발명의 실시 예의 확산부(5b, 5c, 5d)들은 그 단면이 삼각형을 이루는 구조로 이루어지는 것이 바람직하다. 이러한 구조는 발광다이오드(1)들에서 조사되는 빛이 경사면에 반사되어 퍼지면서 확산되는 구조로 이루어지는 것이다. 물론, 반사판(5)과 확산부(5b, 5c, 5d)들은 전체면이 반사에 유리한 물질로 코팅되어 있는 것이 바람직하다.The diffusion parts 5b, 5c, and 5d of the embodiment of the present invention preferably have an inclined surface with respect to the surface facing the diffusion plate. That is, it is preferable that the diffusion parts 5b, 5c, and 5d of the embodiment of the present invention have a structure in which the cross section forms a triangle. Such a structure is made of a structure in which light emitted from the light emitting diodes 1 is diffused while being reflected and spread on an inclined surface. Of course, it is preferable that the reflecting plate 5 and the diffusion parts 5b, 5c, and 5d are coated with a material that is advantageous for reflection on the entire surface.

한편, 반사판(5)의 가운데 부분에는 공간부(5e)가 제공될 수 있다. 이러한 공간부(5e)는 PCB 기판(3)에 감지센서가 부착되어 있는 경우에는 개방된 형태로 조립을 하고, PCB 기판(3)에 감지센서가 부착되어 있지 않는 경우에는 폐쇄부재(21)로 폐쇄한다. 이러한 구조는 하나의 금형 구조를 이용하여 다양한 형태의 조명장치에 적용할 수 있어 제조 비용을 줄일 수 있는 이점이 있다.Meanwhile, the space portion 5e may be provided in the center portion of the reflector plate 5. The space part 5e is assembled in an open form when a sensor is attached to the PCB 3, and closed as a closing member 21 when the sensor is not attached to the PCB 3. To close. This structure can be applied to various types of lighting device using a single mold structure has the advantage of reducing the manufacturing cost.

프론트 커버(7)와 리어 커버(9)는 상술한 PCB 기판(3), 반사판(5)을 감싸면서 서로 결합된다. 프론트 커버(7)와 리어 커버(9)는 끼움 결합 등 통상의 결합방법에 의하여 결합될 수 있으며 내부에 수용되는 부품들을 보호할 수 있다.The front cover 7 and the rear cover 9 are coupled to each other while surrounding the PCB substrate 3 and the reflecting plate 5 described above. The front cover 7 and the rear cover 9 may be coupled by a conventional coupling method such as fitting, and may protect the parts accommodated therein.

그리고 프론트 커버(7)에는 발광다이오드(1)에서 조사되는 빛을 확산시킬 수 있는 확산판(11)이 결합된다. 확산판(11)은 불규칙한 간격으로 볼록렌즈부가 마련되어 확산 기능을 증대시킬 수 있다. 이러한 확산판(11)은 통상의 구조가 사용될 수 있다.And the front cover 7 is coupled to the diffusion plate 11 that can diffuse the light emitted from the light emitting diode (1). The diffusion plate 11 may be provided with convex lens portions at irregular intervals to increase the diffusion function. The diffusion plate 11 may be a conventional structure.

이와 같이 이루어지는 본 발명의 실시 예에 의한 작용을 설명하면 다음과 같다. Referring to the operation according to the embodiment of the present invention made as described above are as follows.

발광다이오드(1)에서 조사되는 빛은 반사판(5)에 의하여 반사되고 확산판(11)을 통하여 확산되어 조사된다. 이때 발광다이오드(1)에서 조사되는 빛 중에서 측면으로 조사되는 빛은 반사판(5)의 확산부(5b, 5c, 5d)의 경사면에 반사되면서 여러 방향으로 산란되어 확산판(11)을 통과하게 된다. 따라서 본 발명의 실시 예는 부품의 수를 증대시키지 않으면서도 발광다이오드에서 조사되는 빛을 더욱 확산시켜 제품의 품질을 증대시킬 수 있다.Light irradiated from the light emitting diodes 1 is reflected by the reflecting plate 5 and diffused through the diffusion plate 11 and irradiated. At this time, the light irradiated to the side of the light emitted from the light emitting diode 1 is reflected on the inclined surface of the diffusers 5b, 5c, 5d of the reflecting plate 5 and scattered in various directions to pass through the diffuser plate 11 . Therefore, the embodiment of the present invention can increase the quality of the product by further diffusing the light emitted from the light emitting diode without increasing the number of components.

도 1은 본 발명의 실시 예를 설명하기 위한 사시도이다.1 is a perspective view for explaining an embodiment of the present invention.

도 2는 도 1의 분해 사시도이다.2 is an exploded perspective view of FIG. 1.

도 3은 도 1의 Ⅲ-Ⅲ부를 잘라서 본 단면도이다.3 is a cross-sectional view taken along the line III-III of FIG. 1.

도 4는 본 발명의 실시 예의 반사판의 평면도이다.4 is a plan view of a reflector according to an embodiment of the present invention.

도 5는 도 4의 Ⅴ-Ⅴ부를 잘라서 본 단면도이다.5 is a cross-sectional view taken along the line VV of FIG. 4.

Claims (3)

발광다이오드가 결합된 PCB 기판;A PCB substrate to which a light emitting diode is coupled; 상기 발광다이오드의 빛을 반사하는 반사판;A reflector reflecting light of the light emitting diodes; 상기 PCB 기판과 상기 반사판을 수용하는 프론트 커버;A front cover to accommodate the PCB substrate and the reflector; 상기 프론트 커버에 결합되는 확산판;A diffusion plate coupled to the front cover; 상기 프론트 커버에 결합되는 리어 커버;A rear cover coupled to the front cover; 를 포함하며,Including; 상기 반사판은The reflector is 상기 확산판 방향으로 돌출되는 확산부를 포함하는 발광다이오드용 조명장치. Lighting device for a light emitting diode comprising a diffusion portion protruding toward the diffusion plate. 청구항 1에 있어서,The method according to claim 1, 상기 확산부는 경사진 면으로 이루어지는 발광다이오드용 조명장치.The diffuser is a light emitting diode lighting device consisting of an inclined surface. 청구항 1에 있어서,The method according to claim 1, 상기 확산부는 다수의 동심원상에 배치되는 발광다이오드용 조명장치.The diffuser is a lighting device for a light emitting diode disposed on a plurality of concentric circles.
KR1020080045693A 2008-05-16 2008-05-16 Lighting apparatus for light emitting diode KR20090119572A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101047440B1 (en) * 2010-07-13 2011-07-08 엘지이노텍 주식회사 Lighting device
CN102269358A (en) * 2010-06-04 2011-12-07 Lg伊诺特有限公司 Lighting device
WO2015055135A1 (en) * 2013-10-18 2015-04-23 潘定国 Led coaxially-combined light engine and lighting fixture therefor
KR20180002407U (en) * 2017-02-01 2018-08-09 조성호 Ice box

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269358A (en) * 2010-06-04 2011-12-07 Lg伊诺特有限公司 Lighting device
US8227964B2 (en) 2010-06-04 2012-07-24 Lg Innotek Co., Ltd. Lighting device
EP2392853A3 (en) * 2010-06-04 2013-03-13 LG Innotek Co., Ltd. Lighting device
US8629607B2 (en) 2010-06-04 2014-01-14 Lg Innotek Co., Ltd. Lighting device
CN103759151A (en) * 2010-06-04 2014-04-30 Lg伊诺特有限公司 Lighting device
EP2827044A1 (en) * 2010-06-04 2015-01-21 LG Innotek Co., Ltd. Lighting device
KR101047440B1 (en) * 2010-07-13 2011-07-08 엘지이노텍 주식회사 Lighting device
WO2015055135A1 (en) * 2013-10-18 2015-04-23 潘定国 Led coaxially-combined light engine and lighting fixture therefor
KR20180002407U (en) * 2017-02-01 2018-08-09 조성호 Ice box

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