KR20060011375A - Color changeable lighting apparatus - Google Patents

Color changeable lighting apparatus Download PDF

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Publication number
KR20060011375A
KR20060011375A KR1020040060195A KR20040060195A KR20060011375A KR 20060011375 A KR20060011375 A KR 20060011375A KR 1020040060195 A KR1020040060195 A KR 1020040060195A KR 20040060195 A KR20040060195 A KR 20040060195A KR 20060011375 A KR20060011375 A KR 20060011375A
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South Korea
Prior art keywords
light emitting
unit
color
lighting device
led3
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KR1020040060195A
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Korean (ko)
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이강우
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(주)에스티와이드
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Priority to KR1020040060195A priority Critical patent/KR20060011375A/en
Publication of KR20060011375A publication Critical patent/KR20060011375A/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S10/00Lighting devices or systems producing a varying lighting effect
    • F21S10/02Lighting devices or systems producing a varying lighting effect changing colors
    • F21S10/023Lighting devices or systems producing a varying lighting effect changing colors by selectively switching fixed light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21KNON-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
    • F21K9/00Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/65Optical 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light emitting diodes [LEDs]
    • H05B45/10Controlling the intensity of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • 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
    • F21Y2113/10Combination of light sources of different colours
    • F21Y2113/13Combination of light sources of different colours comprising an assembly of point-like 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

본 발명은 조명장치에 관한 것으로, 특히 적색, 녹색, 청색의 3원색 발광다이오드를 이용하여 다양한 색상을 발현하는 색상가변형 조명장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting apparatus, and more particularly, to a color variable lighting apparatus that expresses various colors by using three primary color light emitting diodes of red, green, and blue.

이를 위해 본 발명은, 구동에 필요한 전원을 공급하는 전원부(30)와; 기능조작을 위한 다수의 버튼(노브)으로 이루어진 조작부(10)와; 상기 조작부(10)의 작동에 따라 해당 기능을 수행하기 위한 제어신호를 출력하는 제어부(20)와; 적색, 녹색, 청색의 3원색 발광다이오드(LED1,LED2,LED3)로 구성된 발광부(50)와; 상기 발광부(50)에서 발산되는 빛을 난반사시켜 혼합하는 난반사판(60)과; 상기 제어부(20)의 제어신호에 따라 상기 발광부(50)를 구동시키는 LED 구동부(40)를 구비하는 것을 특징으로 한다.To this end, the present invention, the power supply unit 30 for supplying the power required for driving; An operation unit 10 including a plurality of buttons (knobs) for function operation; A control unit 20 for outputting a control signal for performing a corresponding function according to the operation of the operation unit 10; A light emitting unit 50 including three primary color light emitting diodes LED1, LED2, and LED3 of red, green, and blue; A diffuse reflection plate 60 which diffusely reflects and mixes the light emitted from the light emitting unit 50; In accordance with the control signal of the control unit 20 is characterized in that it comprises an LED driver 40 for driving the light emitting unit (50).

조명장치, 발광다이오드, 3원색, 난반사Lighting device, light emitting diode, three primary colors, diffuse reflection

Description

색상가변형 조명장치 {Color changeable lighting apparatus}Color changeable lighting apparatus

도 1은 본 발명에 따른 조명장치의 내부구성을 나타낸 블럭도,1 is a block diagram showing the internal configuration of a lighting apparatus according to the present invention,

도 2는 본 발명에 따른 조명장치의 동작을 설명하기 위한 도면,2 is a view for explaining the operation of the lighting apparatus according to the present invention;

도 3은 본 발명이 적용된 조명기구의 일예를 나타낸 도면.3 is a view showing an example of a lighting fixture to which the present invention is applied.

*도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 조작부 20 : 제어부10: control panel 20: control unit

30 : 전원부 40 : LED 구동부30: power supply unit 40: LED driving unit

50 : 발광부 51 : 기판50 light emitting unit 51 substrate

60 : 난반사판 LED : 발광다이오드60: diffuse reflection LED: light emitting diode

본 발명은 조명장치에 관한 것으로, 특히 적색, 녹색, 청색의 3원색 발광다이오드를 이용하여 다양한 색상을 발현하는 색상가변형 조명장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting apparatus, and more particularly, to a color variable lighting apparatus that expresses various colors by using three primary color light emitting diodes of red, green, and blue.

일반적으로, 조명장치는 백열등이나 형광등을 광원으로 이용하고 있는데, 이러한 종래의 조명장치는 무색의 빛을 발함에 따라 특정 색상을 발현하기 위해서는 광원을 코팅하거나 필터를 이용하여야 한다는 불편함이 있었다.In general, the lighting device uses an incandescent lamp or a fluorescent lamp as a light source, and the conventional lighting device has a inconvenience in that a light source is coated or a filter is used to express a specific color as it emits colorless light.

또한, 광원이 전구의 형태로 정형화되어 있음에 따라 자유로운 제품 디자인이 어렵고, 전력소비가 많을 뿐만 아니라 광원으로부터 나오는 자외선으로 인해 미술관, 박물관 등에 전시된 전시품이 탈색되는 등의 문제가 발생하였다.In addition, as the light source is formalized in the form of a light bulb, free product design is difficult, power consumption is high, and ultraviolet rays emitted from the light source cause problems such as discoloration of exhibits displayed in art galleries and museums.

아울러, 광원의 발열량이 높아 화상의 위험성이 있고, 사용수명이 짧아 광원인 백열등이나 형광등을 자주 교체하여 주어야 한다는 불편함이 있었으며, 이로 인해 조명장치의 유지, 관리에 많은 비용이 소요된다는 문제점이 있었다.In addition, the heat generation of the light source is high, there is a risk of burns, the use life is short, there is an inconvenience that often replace the incandescent or fluorescent light source, there was a problem that the cost of maintenance and management of the lighting device is expensive .

이에 본 발명은 상기와 같은 문제점을 해결하기 위해 발명된 것으로, 전력소비가 적고 자외선도 발생하지 않으며 내구성 또한 우수한 적색, 녹색, 청색의 3원색 발광다이오드를 이용하여 다양한 색상을 발현하는 색상가변형 조명장치를 제공하는 것을 그 목적으로 한다.Accordingly, the present invention has been invented to solve the above problems, a color-variable lighting device that expresses a variety of colors using the three primary color light emitting diodes of red, green, and blue, which consumes little power, does not generate ultraviolet rays, and also has excellent durability. To provide that purpose.

상기와 같은 목적을 달성하기 위하여 본 발명은, 구동에 필요한 전원을 공급하는 전원부와; 기능조작을 위한 다수의 버튼(노브)으로 이루어진 조작부와; 상기 조작부의 작동에 따라 해당 기능을 수행하기 위한 제어신호를 출력하는 제어부와; 적색, 녹색, 청색의 3원색 발광다이오드로 구성된 발광부와; 상기 발광부에서 발산되는 빛을 난반사시켜 혼합하는 난반사판과; 상기 제어부의 제어신호에 따라 상기 발광부를 구동시키는 LED 구동부를 구비하는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a power supply unit for supplying power required for driving; An operation unit consisting of a plurality of buttons (knobs) for function operation; A control unit for outputting a control signal for performing a corresponding function according to the operation of the operation unit; A light emitting unit consisting of three primary color light emitting diodes of red, green, and blue; A diffuse reflection plate for diffusely reflecting and mixing the light emitted from the light emitting unit; And an LED driver for driving the light emitting unit according to the control signal of the controller.

또한 상기 제어부는, 상기 발광부의 특정 발광다이오드를 점등 및 소등시킴으로써 조명장치의 색상을 변환시키는 것을 특징으로 한다. In addition, the control unit is characterized in that for changing the color of the lighting device by turning on and off the specific light emitting diode of the light emitting unit.                         

또한 상기 제어부는, 상기 발광부의 각 발광다이오드에서 발산되는 빛의 강도를 상이하게 조절함으로써 조명장치의 색상을 변환시키는 것을 특징으로 한다.In addition, the control unit is characterized in that to change the color of the lighting device by differently adjusting the intensity of light emitted from each light emitting diode of the light emitting unit.

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

도 1은 본 발명에 따른 조명장치의 내부구성을 나타낸 블럭도로, 도시된 바와 같이, 조명장치는 ON/OFF, 색상변환, 밝기조절, 타이머 설정 등의 기능조작을 위한 다수의 버튼(노브)으로 이루어진 조작부(10)와, 상기 조작부(10)의 작동에 따라 해당 기능을 수행하기 위한 제어신호를 출력하는 제어부(20)와, 조명장치의 구동에 필요한 전원을 공급하는 전원부(30)를 구비한다. 1 is a block diagram showing the internal configuration of a lighting apparatus according to the present invention, as shown, the lighting apparatus is a plurality of buttons (knobs) for the operation of ON / OFF, color conversion, brightness control, timer setting, etc. And a control unit 20 for outputting a control signal for performing a function according to the operation of the operation unit 10, and a power supply unit 30 for supplying power for driving the lighting device. .

또한, 본 발명의 전원장치는 빛을 발하는 발광부(50)를 구비하는데, 상기 발광부(50)는 도 2에 도시된 것처럼 기판(51)에 장착된 적색, 녹색, 청색의 3원색 발광다이오드(LED1,LED2,LED3)로 구성되며, 그 외부는 빛을 난반사시켜 혼합하는 투명 파유리, 투명 아크릴, 투명 크리스탈 소재의 난반사판(60)이 감싸고 있다.In addition, the power supply device of the present invention includes a light emitting unit 50 for emitting light, the light emitting unit 50 is a red, green, blue three primary color light emitting diode mounted on the substrate 51 as shown in FIG. It is composed of (LED1, LED2, LED3), the outside is surrounded by a diffuse reflection plate 60 of transparent cullet, transparent acrylic, transparent crystal material mixed by reflecting light.

아울러, 본 발명의 전원장치에는 상기 발광부(50)를 구동시키는 LED 구동부(40)가 구비되는데, 상기 LED 구동부(40)는 제어부(20)의 제어신호에 따라 발광다이오드 (LED1,LED2,LED3)를 점소등시켜 조명장치를 ON/OFF시키거나, 특정 발광다이오드(LED1,LED2,LED3)를 점등 및 소등시킴으로써 조명장치의 색상을 변환시킨다.In addition, the power supply device of the present invention is provided with an LED driver 40 for driving the light emitting unit 50, the LED driver 40 is a light emitting diode (LED1, LED2, LED3) according to the control signal of the control unit 20. ) To turn on / off the lighting device or to turn on / off specific light emitting diodes (LED1, LED2, LED3) to change the color of the lighting device.

또한, 상기 LED 구동부(40)가 제어부(20)의 제어신호에 따라 각 발광다이오드 (LED1,LED2,LED3)에서 발산되는 빛의 강도를 상이하게 조절하도록 구성한다면 더욱 다양한 색상을 발현할 수 있다.In addition, if the LED driver 40 is configured to differently control the intensity of the light emitted from each of the light emitting diodes (LED1, LED2, LED3) according to the control signal of the control unit 20 can be expressed more various colors.

다음에는 상기와 같이 구성된 본 발명에 따른 조명장치의 동작방법을 상세히 설명하기로 한다.Next, the operation method of the lighting apparatus according to the present invention configured as described above will be described in detail.

사용자가 조명장치를 ON시키기 위하여 조작부(10)의 특정 버튼을 조작하면, 제어부(20)는 버튼 조작에 따라 조명장치를 ON시키기 위한 제어신호를 LED 구동부(40)로 출력한다. 이에 따라 LED 구동부(40)는 기 설정된 발광다이오드, 예를 들어 적색, 녹색, 청색 발광다이오드(LED1,LED2,LED3)를 모두 점등시킨다. When the user operates a specific button of the operation unit 10 to turn on the lighting device, the control unit 20 outputs a control signal for turning on the lighting device to the LED driver 40 according to the button operation. Accordingly, the LED driver 40 turns on all of the preset light emitting diodes, for example, the red, green, and blue light emitting diodes LED1, LED2, and LED3.

따라서, 적색, 녹색, 청색 발광다이오드(LED1,LED2,LED3)에서 발산된 빛이 난반사판(60)에 부딪혀 난반사 되면서 혼합됨에 따라 조명장치는 무색의 빛을 발하게 된다. 이때, 제어부(20)는 발광부(50)의 발광다이오드(LED1,LED2,LED3)가 기 설정된 강도로 빛을 발하도록 제어한다.Therefore, as the light emitted from the red, green, and blue light emitting diodes LED1, LED2, and LED3 hits the diffuse reflection plate 60 and is diffusely reflected, the lighting device emits colorless light. In this case, the controller 20 controls the light emitting diodes LED1, LED2, and LED3 of the light emitting unit 50 to emit light at a predetermined intensity.

이와 같이 조명장치가 점등된 상태에서 사용자가 빛의 색상을 가변하기 위하여 조작부(10)의 특정 버튼을 조작하면, 제어부(20)는 점등된 발광다이오드(LED1,LED2, LED3)중 어느 하나 또는 두개의 발광다이오드를 OFF시킨다. 예를 들어, 청색 발광다이오드가 소등되고 적색과 녹색 발광다이오드가 점등되면 조명장치는 황색의 빛을 발하게 되며, 또는 일정한 순서에 따라 예컨대 적색 청색 녹색의 순서로 점등이 반복되던가 한다. 다시 말해, 점등된 적색, 녹색, 청색 발광다이오드(LED1,LED2,LED3)에서 발산되는 3원색의 조합에 따라 조명장치(스텐트 또는 간판 등의 Back light 등등)에서 발하는 빛의 색상이 가변되고, 그 발광순서도 조절하도 록 허여된다.When the user operates a specific button of the operation unit 10 to change the color of the light while the lighting device is turned on as described above, the control unit 20 controls any one or two of the light emitting diodes LED1, LED2, and LED3. Turn off the LED. For example, when the blue light emitting diode is turned off and the red and green light emitting diodes are turned on, the lighting device emits yellow light, or the lighting is repeated in the order of red blue green according to a certain order. In other words, the color of light emitted from an illumination device (a back light such as a stent or a signboard) varies according to a combination of three primary colors emitted from lit red, green, and blue light emitting diodes (LED1, LED2, LED3). It is also allowed to adjust the emission order.

한편, 제어부(20)가 버튼 조작에 따라 각 발광다이오드(LED1,LED2,LED3)로 인가되는 전류의 크기를 조정하여 각 발광다이오드(LED1,LED2,LED3)에서 발산되는 빛의 강도를 상이하게 조절한다면 적색, 녹색, 청색 발광다이오드(LED1,LED2,LED3)에서 발산되는 3원색의 조합에 따라 더욱 다양한 색상의 빛을 발현할 수 있다.On the other hand, the control unit 20 adjusts the intensity of the light emitted from each light emitting diode (LED1, LED2, LED3) by adjusting the amount of current applied to each light emitting diode (LED1, LED2, LED3) according to the button operation. If it is a combination of the three primary colors emitted from the red, green, and blue light emitting diodes (LED1, LED2, LED3) it can express a variety of colors.

도 3은 본 발명이 적용된 조명기구의 일 예(스텐드에 적용)를 나타낸 도면이다. 전구의 형태로 정형화된 광원이 아닌 소형의 발광다이오드를 광원으로 사용함에 따라, 도시된 바와 같이, 제품의 디자인을 자유롭게 설계할 수 있음을 알 수 있다. 따라서, 학습용 스탠드, 실내외 인테리어 조명, 광고판넬의 백라이트(Back Light), 무드 스탠드 등에 본 발명을 다양하게 적용할 수 있다.Figure 3 is a view showing an example (applied to the stand) of the luminaire to which the present invention is applied. By using a small light emitting diode as a light source instead of a light source shaped in the form of a light bulb, it can be seen that the design of the product can be freely designed as shown. Therefore, the present invention can be variously applied to a learning stand, indoor or outdoor interior lighting, a back light of an advertising panel, a mood stand, or the like.

상기와 같이 본 발명은 적색, 녹색, 청색의 3원색 발광다이오드를 광원으로 사용함에 따라 각 발광다이오드에서 발산되는 빛을 혼합함으로써, 다양한 색상의 빛을 발현할 수 있으며, 전력소비도 기존의 백열등이나 형광등에 비해 약 1/3 이하로 절감할 수 있다.As described above, according to the present invention, by using red, green, and blue three-color light emitting diodes as light sources, the light emitted from each light emitting diode may be mixed to express light of various colors. Compared to fluorescent lamps, it can be reduced to about one third or less.

또한, 자외선을 발생하지 않음에 따라 전시품의 탈색을 방지할 수 있으며, 10만 시간 이상을 사용할 수 있는 내구성을 가지고 있어 기존의 백열등이나 형광등을 사용하는 조명장치에 비해 유지, 관리에 필요한 비용을 절감할 수 있다. In addition, it prevents discoloration of exhibits by not generating ultraviolet rays, and has a durability that can be used for more than 100,000 hours, thus reducing the cost of maintenance and management compared to lighting devices using incandescent or fluorescent lamps. can do.

아울러, 소형의 발광다이오드를 광원으로 사용함에 따라 자유로운 제품 디자인 설계가 가능하며, 발열량도 적어 화상의 위험도 제거할 수 있다. In addition, by using a small light emitting diode as a light source, it is possible to design a product design freely, and the amount of heat generated is also reduced, thereby eliminating the risk of burns.                     

본 발명은 도면에 도시된 일실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 당해 기술분야에 통상의 지식을 지닌 자라면 이로부터 다양한 변형 및 균등한 타실시예가 가능하다는 점을 이해할 것이다. 따라서, 본 발명의 진정한 기술적 보호범위는 첨부된 특허청구범위에 의해서만 정해져야할 것이다.Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be defined only by the appended claims.

Claims (3)

구동에 필요한 전원을 공급하는 전원부(30)와;A power supply unit 30 for supplying power for driving; 기능조작을 위한 다수의 버튼(노브)으로 이루어진 조작부(10)와;An operation unit 10 including a plurality of buttons (knobs) for function operation; 상기 조작부(10)의 작동에 따라 해당 기능을 수행하기 위한 제어신호를 출력하는 제어부(20)와;A control unit 20 for outputting a control signal for performing a corresponding function according to the operation of the operation unit 10; 적색, 녹색, 청색의 3원색 발광다이오드(LED1,LED2,LED3)로 구성된 발광부(50)와;A light emitting unit 50 including three primary color light emitting diodes LED1, LED2, and LED3 of red, green, and blue; 상기 발광부(50)에서 발산되는 빛을 난반사시켜 혼합하는 난반사판(60)과;A diffuse reflection plate 60 which diffusely reflects and mixes the light emitted from the light emitting unit 50; 상기 제어부(20)의 제어신호에 따라 상기 발광부(50)를 구동시키는 LED 구동부(40)를 구비하는 것을 특징으로 하는 색상가변형 조명장치.Color-variable lighting device, characterized in that it comprises an LED driver 40 for driving the light emitting unit 50 in accordance with the control signal of the control unit (20). 제 1항에 있어서, The method of claim 1, 상기 제어부(20)는,The control unit 20, 상기 발광부(50)의 특정 발광다이오드(LED1, LED2,LED3)를 점등 및 소등시킴으로써 조명장치의 색상을 변환시키는 것을 특징으로 하는 색상가변형 조명장치.Color-changing lighting device, characterized in that for changing the color of the lighting device by turning on and off the specific light emitting diodes (LED1, LED2, LED3) of the light emitting unit (50). 제 1항 또는 제 2항에 있어서, The method according to claim 1 or 2, 상기 제어부(20)는,The control unit 20, 상기 발광부(50)의 각 발광다이오드(LED1,LED2,LED3)에서 발산되는 빛의 강 도를 상이하게 조절함으로써 조명장치의 색상을 변환시키는 것을 특징으로 하는 색상가변형 조명장치.Color-variable lighting device, characterized in that for changing the color of the lighting device by differently adjusting the intensity of the light emitted from each of the light emitting diodes (LED1, LED2, LED3) of the light emitting unit (50).
KR1020040060195A 2004-07-30 2004-07-30 Color changeable lighting apparatus KR20060011375A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100693758B1 (en) 2006-03-22 2007-03-12 건국정보통신 주식회사 Intelligence sensibility lighting system
KR100721610B1 (en) * 2006-02-13 2007-05-23 최종섭 Indoor lighting apparatus for car
KR100756723B1 (en) * 2006-08-07 2007-09-07 현대자동차주식회사 A variable color lamp system for a vehicle
KR100944692B1 (en) * 2007-11-28 2010-02-26 (주)미우엠디 Led lighting apparatus
KR20160046050A (en) 2014-10-17 2016-04-28 (주)에프알텍 Lighting system producing color

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100721610B1 (en) * 2006-02-13 2007-05-23 최종섭 Indoor lighting apparatus for car
KR100693758B1 (en) 2006-03-22 2007-03-12 건국정보통신 주식회사 Intelligence sensibility lighting system
KR100756723B1 (en) * 2006-08-07 2007-09-07 현대자동차주식회사 A variable color lamp system for a vehicle
KR100944692B1 (en) * 2007-11-28 2010-02-26 (주)미우엠디 Led lighting apparatus
KR20160046050A (en) 2014-10-17 2016-04-28 (주)에프알텍 Lighting system producing color

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