EP2587137A1 - Illumination device and illumination fixture - Google Patents
Illumination device and illumination fixture Download PDFInfo
- Publication number
- EP2587137A1 EP2587137A1 EP12187246.9A EP12187246A EP2587137A1 EP 2587137 A1 EP2587137 A1 EP 2587137A1 EP 12187246 A EP12187246 A EP 12187246A EP 2587137 A1 EP2587137 A1 EP 2587137A1
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- EP
- European Patent Office
- Prior art keywords
- led light
- led
- terminal part
- light sources
- illumination
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
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- 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]
Definitions
- the present invention relates to an illumination device using an LED light source and an illumination fixture using the illumination device.
- An illumination device using an LED light source has been conventionally known (refer to, for example, Non-Patent Document 1).
- An illumination fixture described in Non-Patent Document 1 is a round ceiling light, and includes one power source block that converts commercial power into a DC output and four LED units as illumination devices in which an LED is mounted on a printed circuit substrate.
- the LED units are fan-shaped and the four LED units are combined with one another to form a circle as a whole.
- the LED units include two types of LED units.
- a first type of LED unit is an LED unit provided with a connector for connecting the LED as a light source to the adjacent LED unit.
- a second type of LED unit is an LED unit provided with a connector for receiving power from the power source block in the first LED unit.
- Each illumination fixture includes the three first type of LED units and the one second type of LED unit.
- Non-Patent Document 1 Pages 10, 11 "LED All ROUND IN HOUSE, V01.2" issued in June, 2011, and edited by Fixture Division of Toshiba Lighting & Technology Corporati on
- the above-mentioned conventional illumination fixture adopts the two types of LED units, and the LED units need to be separately manufactured according to the type. Further, plural product numbers are managed, disadvantageously leading to an increase in manufacturing and management costs.
- the present invention is made to solve the conventional problems, and its object is to reduce manufacturing and management costs of an illumination device including an LED light source to provide inexpensive illumination device and illumination fixture.
- An illumination device includes at least one LED light source, a first terminal part electrically connected to an anode side of the LED light source, a second terminal part electrically connected to an cathode side of the LED light source, and an LED substrate on which the LED light source, the first terminal part, and the second terminal part are mounted, and the first terminal part is different from the second terminal part in external appearance.
- An illumination device includes at least one LED light source, a first terminal part electrically connected to an anode side of the LED light source, a second terminal part electrically connected to an cathode side of the LED light source, and an LED substrate on which the LED light source, the first terminal part, and the second terminal part are mounted, the first terminal part and the second terminal part adopts the same connector, and a pin number of the connector connected to the anode side of the LED light source is different from a pin number of the connector connected to the cathode side of the LED light source.
- the first terminal part is different from the second terminal part in external appearance color.
- the two or more LED light sources are provided.
- the illumination device of the present invention two or more types of the LED light sources are provided.
- the illumination fixture of the present invention uses the above-mentioned illumination device.
- the present invention since the first terminal part electrically connected to the anode side of the LED light source is different from the second terminal part electrically connected to the cathode side of the LED light source, wrong connection at assembling can be prevented. As a result, it is possible to provide the illumination device and the illumination fixture, in which the type of the illumination device can be made uniform, thereby reducing manufacturing and management costs.
- an illumination device and an illumination fixture according to a first embodiment of the present invention will be described below with reference to figures.
- a case where the illumination fixture is attached to a ceiling surface as an attached surface and illuminates downward will be described below.
- upper (upward, upper side, and the like) means the side of the ceiling surface
- lower (downward, lower side, and the like) means the side of a floor surface.
- an illumination fixture 10 according to the first embodiment of the present invention is suited to be attached to a ceiling surface 11 and the like as the attached surface to mainly illuminate downward.
- the illumination fixture 10 has, for example, a round fixture body 20 to be attached to the ceiling surface 11.
- a hook ceiling 12 is attached to the ceiling surface 11, and the fixture body 20 has a power feeding part 21 to be attached to the hook ceiling 12 at its center.
- a power source part 22 connected to the power feeding part 21 is provide on an upper surface (that is, on the side of the ceiling surface 11) of the fixture body 20. Accordingly, the power feeding part 21 receives electric power (AC) from a commercial power source and feeds the power to the power source part 22, and the power source part 22 converts the AC power into a DC output and feeds the DC output to LED units 30.
- the four LED units 30 as fan-like illumination devices are arranged on the underside (that is, on the side of an illuminating direction) of the fixture body 20 to form a circle.
- a translucent lens 23 for effectively extracting light from LED light sources 31 (refer to Fig. 3 ) mounted on the each LED unit 30 are attached in front of (that is, in Fig. 2 , below) the LED unit 30.
- a cover 24 for diffusing received light is attached in front of the lens 23.
- the LED unit 30 as the illumination device has two or more types of the LED light sources 31.
- white LED light sources 311 and warm white LED light sources 312 are used.
- the white LED light sources 311 and the warm white LED light sources 312 may be collectively referred to as "LED light sources 31".
- Fig. 3 is a circuit diagram of each of the LED units 30.
- four sets of the six serially-connected LED light sources 31 are connected to one another in parallel.
- An anode side of the LED light sources 31 (left side in Fig. 3 ) is connected to an anode-side connector 321 as a first terminal part.
- a cathode side (right side in Fig. 3 ) is connected to a cathode-side connector 322 as a second terminal part.
- the white LED light sources 311 are connected to the warm white LED light sources 312 by means of another circuit.
- the anode-side connector 321 and the cathode-side connector 322 are different from each other in external appearance. That is, the anode-side connector 321 is a 4-pin connector, and a first pin is connected to the anode side of the warm white LED light sources 312. A fourth pin is connected to the anode side of the white LED light sources 311.
- the cathode-side connector 322 is a 3-pin connector, and a third pin is connected to the cathode side of the warm white LED light sources 312, and a first pin is connected to the cathode side of the white LED light sources 311. It is desired that the anode-side connector 321 and the cathode-side connector 322 have different external appearance color.
- each of the LED units 30 includes the white LED light sources 311, the warm white LED light sources 312, the anode-side connector 321, and the cathode-side connector 322, all of which are mounted on a printed circuit substrate 33 as an LED substrate.
- the printed circuit substrate 33 is made of, for example, resin or metal such as aluminum, is shaped like a fan, and has a thickness of about 1.0 mm.
- the one LED unit 30 is described as a illumination device herein, the plurality of LED units 30 are combined to constitute one illumination device.
- the white LED light sources 311 and the warm white LED light sources 312 are arranged in an inner row and an outer row along an arc of the printed circuit substrate 33 such that both the rows are substantially parallel to each other.
- the 26 LED light sources 31 in the outer row and the 22 LED light sources 31 in the inner row, that is, the 48 LED light sources 31 in total are arranged.
- the white LED light source 311 and the warm white LED light source 312 are alternately arranged.
- the anode-side connector 321 and the cathode-side connector 322 are arranged at respective ends of the printed circuit substrate 33. Accordingly, the length of an electric wire used for connection between the adjacent LED units 30 can be decreased.
- Fig. 5 is a connection view in a case where the four LED units 30 are used in the illumination fixture 10 (refer to Fig. 1 ).
- LED units 30A, 30B, 30C, 30D are connected to the power source part 22.
- the power source part 22 has two lines of DC output. One of the lines is an output from a first connector 221, which serves to light the white LED light sources 311 mounted in the LED unit 30A, 30B, 30C, 30D.
- the other line is an output from a second connector 222, which serves to light the warm white LED light sources 312 mounted in the LED unit 30A, 30B, 30C, 30D.
- a fourth pin of an anode-side connector 321A of the LED unit 30A is connected to an anode terminal 221A of the first connector 221 of the power source part 22.
- a first pin of a cathode-side connector 322A of the LED unit 30A is connected to a fourth pin of a anode-side connector 321B of the LED unit 30B.
- the LED units 30B, 30C, 30D are connected.
- the LED units 30A, 30B, 30C, 30D are connected with one another with use of a harness 34.
- a first pin of a cathode-side connector 322D of the LED unit 30D is connected to a cathode terminal 221K of the first connector 221 of the power source part 22.
- an anode terminal 222A of the second connector 222 of the power source part 22 is connected to a first pin of the anode-side connector 321A of the LED unit 30A.
- a third pin of the cathode-side connector 322A of the LED unit 30A is connected to a first pin of the anode-side connector 321B of the LED unit 30B.
- the LED unit 30B is connected to the LED unit 30C
- the LED unit 30C is connected to the LED unit 30D.
- the LED units 30A, 30B, 30C, 30D are connected to one another with use of the harness 34.
- a third pin of the cathode-side connector 322D of the LED unit 30D is connected to a cathode terminal 222K of the second connector 222 of the power source part 22.
- the connectors 32 are not limited to these and may be other connectors that are different from each other in the number of pins.
- Connectors that are same as each other in the number of pins but are different from each other in manufacturer or type can be adopted as the connectors 32.
- the anode-side connector 321 and the cathode-side connector 322 that have different colors can be adopted as the connectors 32.
- the anode-side connector 321 electrically connected to the anode side of the LED light sources 31 is different from the cathode-side connector 322 electrically connected to the cathode side of the LED light sources 31. For this reason, since wrong connection at assembling can be prevented and the type of the LED units 30 can be made uniform, manufacturing and management costs can be reduced.
- the color of the anode-side connector 321 electrically connected to the anode side of the LED light sources 31 is different from that of the cathode-side connector 322 as the second terminal part electrically connected to the cathode side of the LED light sources 31. This can prevent wrong connection at assembling.
- the type of the LED units 30 can be made uniform, thereby manufacturing and management costs can be reduced.
- the illumination fixture 10B according to the second embodiment has the same configuration as the illumination fixture 10 described with reference to Fig. 1 and Fig. 2 .
- an LED unit 40 is similar to the LED unit shown in the component arrangement view of Fig. 4 , connectors 41 are different from the connectors 32 in the first embodiment and thus, the connectors 41 will be mainly described.
- the other configuration is the same as the configuration of the LED unit 30.
- the same connectors 41 are used as an anode-side connector 411 and a cathode-side connector 412.
- the anode-side connector 411 has four pins, and a first pin is connected to the anode side of the warm white LED light sources 312. A fourth pin is connected to the anode side of the white LED light sources 311.
- the cathode-side connector 412 also has four pins, and a third pin is connected to the cathode side of the warm white LED light sources 312. A second pin is connected to the cathode side of the white LED light sources 311.
- Fig. 7 is a connection view in a state where the four LED units 40 are used in the illumination fixture 10B (refer to Fig. 1 ). As shown in Fig. 7 , the LED units 40A, 40B, 40C, 40D are connected to the power source part 22. The power source part 22 has two lines of DC output.
- One of the lines is an output from the first connector 221, which serves to light the white LED light sources 311 mounted in the LED units 40A, 40B, 40C, 40D.
- the other line is an output from the second connector 222, which serves to light the warm white LED light sources 312 mounted in the LED units 40A, 40B, 40C, 40D.
- a fourth pin of a anode-side connector 411A of the LED unit 40A is connected to the anode terminal 221A of the first connector 221 of the power source part 22.
- a second pin of a cathode-side connector 412A of the LED unit 40A is connected to a fourth pin of a anode-side connector 411B of the LED unit 40B. That is, the anode-side connector 411 and the cathode-side connector 412 adopt the same connector 41, but use the pins of different numbers (positions).
- the LED units 40B, 40C, 40D are connected.
- the LED units 40A, 40B, 40C, 40D are connected to one another with use of the harness 34.
- a second pin of a cathode-side connector 412D of the LED unit 40D is connected to the cathode terminal 221K of the first connector 221 of the power source part 22.
- a first pin of the anode-side connector 411A of the LED unit 40A is connected to the anode terminal 222A of the second connector 222 of the power source part 22.
- a third pin of the cathode-side connector 412A of the LED unit 40A is connected to a first pin of the anode-side connector 411B of the LED unit 40B.
- the LED units 40B, 40C, 40D are connected.
- the LED units 40A, 40B, 40C, 40D are connected to one another with use of the harness 34.
- a third pin of the cathode-side connector 412D of the LED unit 40D is connected to the cathode terminal 222K of the second connector 222 of the power source part 22.
- the same connectors are used as the anode-side connector 411 and the cathode-side connector 412. Since the anode-side connector 411 and the cathode-side connector 412 use the pins of different numbers, wrong connection at assembling can be prevented. As a result, the type of the LED units 40 can be made uniform, thereby reducing manufacturing and management costs. By making the color of the anode-side connector 411 different from the color cathode-side connector 412, wrong connection can be further prevented.
- the LED units 30, 40 and the illumination fixtures 10, 10B of the present invention are not limited to the above-mentioned embodiments, and may be appropriately modified and improved.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Led Device Packages (AREA)
Abstract
Description
- The present invention relates to an illumination device using an LED light source and an illumination fixture using the illumination device.
- An illumination device using an LED light source has been conventionally known (refer to, for example, Non-Patent Document 1).
An illumination fixture described in Non-PatentDocument 1 is a round ceiling light, and includes one power source block that converts commercial power into a DC output and four LED units as illumination devices in which an LED is mounted on a printed circuit substrate. - The LED units are fan-shaped and the four LED units are combined with one another to form a circle as a whole. The LED units include two types of LED units. A first type of LED unit is an LED unit provided with a connector for connecting the LED as a light source to the adjacent LED unit. A second type of LED unit is an LED unit provided with a connector for receiving power from the power source block in the first LED unit.
Each illumination fixture includes the three first type of LED units and the one second type of LED unit. - [Non-Patent Document 1]
Pages - However, the above-mentioned conventional illumination fixture adopts the two types of LED units, and the LED units need to be separately manufactured according to the type. Further, plural product numbers are managed, disadvantageously leading to an increase in manufacturing and management costs.
- The present invention is made to solve the conventional problems, and its object is to reduce manufacturing and management costs of an illumination device including an LED light source to provide inexpensive illumination device and illumination fixture.
- An illumination device according to the present invention includes at least one LED light source, a first terminal part electrically connected to an anode side of the LED light source, a second terminal part electrically connected to an cathode side of the LED light source, and an LED substrate on which the LED light source, the first terminal part, and the second terminal part are mounted, and the first terminal part is different from the second terminal part in external appearance.
- An illumination device according to the present invention includes at least one LED light source, a first terminal part electrically connected to an anode side of the LED light source, a second terminal part electrically connected to an cathode side of the LED light source, and an LED substrate on which the LED light source, the first terminal part, and the second terminal part are mounted, the first terminal part and the second terminal part adopts the same connector, and a pin number of the connector connected to the anode side of the LED light source is different from a pin number of the connector connected to the cathode side of the LED light source.
- In the illumination device of the present invention, the first terminal part is different from the second terminal part in external appearance color.
- In the illumination device of the present invention, the two or more LED light sources are provided.
- In the illumination device of the present invention, two or more types of the LED light sources are provided.
- The illumination fixture of the present invention uses the above-mentioned illumination device.
- According to the present invention, since the first terminal part electrically connected to the anode side of the LED light source is different from the second terminal part electrically connected to the cathode side of the LED light source, wrong connection at assembling can be prevented. As a result, it is possible to provide the illumination device and the illumination fixture, in which the type of the illumination device can be made uniform, thereby reducing manufacturing and management costs.
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Fig. 1 ] An exploded perspective view of an illumination fixture according to a first embodiment of the present invention when viewed from below. - [
Fig. 2 ] A sectional view taken along the center of the illumination fixture according to the first embodiment of the present invention. - [
Fig. 3 ] A circuit diagram of an LED unit according to the first embodiment of the present invention. - [
Fig. 4 ] A component arrangement view of the LED unit according to the first embodiment of the present invention. - [
Fig. 5 ] A connection view in the illumination fixture according to the first embodiment of the present invention. - [
Fig. 6 ] A circuit diagram of an LED unit according to a second embodiment of the present invention. - [
Fig. 7 ] A connection view in the illumination fixture according to the second embodiment of the present invention. - An illumination device and an illumination fixture according to a first embodiment of the present invention will be described below with reference to figures.
A case where the illumination fixture is attached to a ceiling surface as an attached surface and illuminates downward will be described below. Unless expressly stated otherwise, upper (upward, upper side, and the like) means the side of the ceiling surface, lower (downward, lower side, and the like) means the side of a floor surface. - As shown in
Fig. 1 , anillumination fixture 10 according to the first embodiment of the present invention is suited to be attached to aceiling surface 11 and the like as the attached surface to mainly illuminate downward.
As shown inFig. 2 , theillumination fixture 10 has, for example, around fixture body 20 to be attached to theceiling surface 11. Ahook ceiling 12 is attached to theceiling surface 11, and thefixture body 20 has apower feeding part 21 to be attached to thehook ceiling 12 at its center. - A
power source part 22 connected to thepower feeding part 21 is provide on an upper surface (that is, on the side of the ceiling surface 11) of thefixture body 20. Accordingly, thepower feeding part 21 receives electric power (AC) from a commercial power source and feeds the power to thepower source part 22, and thepower source part 22 converts the AC power into a DC output and feeds the DC output toLED units 30.
The fourLED units 30 as fan-like illumination devices are arranged on the underside (that is, on the side of an illuminating direction) of thefixture body 20 to form a circle. Atranslucent lens 23 for effectively extracting light from LED light sources 31 (refer toFig. 3 ) mounted on the eachLED unit 30 are attached in front of (that is, inFig. 2 , below) theLED unit 30. Acover 24 for diffusing received light is attached in front of thelens 23. - Next, the
LED unit 30 as the illumination device will be described.
As shown inFig. 3 , theLED unit 30 has two or more types of theLED light sources 31. Here, whiteLED light sources 311 and warm whiteLED light sources 312 are used.
The whiteLED light sources 311 and the warm whiteLED light sources 312 may be collectively referred to as "LED light sources 31". -
Fig. 3 is a circuit diagram of each of theLED units 30. In each of theLED units 30, four sets of the six serially-connectedLED light sources 31 are connected to one another in parallel. An anode side of the LED light sources 31 (left side inFig. 3 ) is connected to an anode-side connector 321 as a first terminal part. A cathode side (right side inFig. 3 ) is connected to a cathode-side connector 322 as a second terminal part. The whiteLED light sources 311 are connected to the warm whiteLED light sources 312 by means of another circuit. - The anode-
side connector 321 and the cathode-side connector 322 are different from each other in external appearance.
That is, the anode-side connector 321 is a 4-pin connector, and a first pin is connected to the anode side of the warm whiteLED light sources 312. A fourth pin is connected to the anode side of the whiteLED light sources 311.
The cathode-side connector 322 is a 3-pin connector, and a third pin is connected to the cathode side of the warm whiteLED light sources 312, and a first pin is connected to the cathode side of the whiteLED light sources 311.
It is desired that the anode-side connector 321 and the cathode-side connector 322 have different external appearance color. - As shown in
Fig. 4 , each of theLED units 30 includes the whiteLED light sources 311, the warm whiteLED light sources 312, the anode-side connector 321, and the cathode-side connector 322, all of which are mounted on a printedcircuit substrate 33 as an LED substrate.
The printedcircuit substrate 33 is made of, for example, resin or metal such as aluminum, is shaped like a fan, and has a thickness of about 1.0 mm.
Although the oneLED unit 30 is described as a illumination device herein, the plurality ofLED units 30 are combined to constitute one illumination device. - The white
LED light sources 311 and the warm whiteLED light sources 312 are arranged in an inner row and an outer row along an arc of the printedcircuit substrate 33 such that both the rows are substantially parallel to each other.
The 26LED light sources 31 in the outer row and the 22LED light sources 31 in the inner row, that is, the 48LED light sources 31 in total are arranged. The white LEDlight source 311 and the warm white LEDlight source 312 are alternately arranged. - By arranging the LED light sources in this manner, a distance between the
LED light sources 31 of the same color becomes substantially uniform, thereby preventing light irregularity.
The anode-side connector 321 and the cathode-side connector 322 are arranged at respective ends of the printedcircuit substrate 33.
Accordingly, the length of an electric wire used for connection between theadjacent LED units 30 can be decreased. -
Fig. 5 is a connection view in a case where the fourLED units 30 are used in the illumination fixture 10 (refer toFig. 1 ).
As shown inFig. 5 ,LED units power source part 22. Thepower source part 22 has two lines of DC output.
One of the lines is an output from afirst connector 221, which serves to light the white LEDlight sources 311 mounted in theLED unit second connector 222, which serves to light the warm white LEDlight sources 312 mounted in theLED unit - Next, connection of the white LED
light source 311 will be described.
As shown inFig. 5 , a fourth pin of an anode-side connector 321A of theLED unit 30A is connected to ananode terminal 221A of thefirst connector 221 of thepower source part 22.
Next, a first pin of a cathode-side connector 322A of theLED unit 30A is connected to a fourth pin of a anode-side connector 321B of theLED unit 30B. - Similarly, the
LED units
TheLED units harness 34.
Finally, a first pin of a cathode-side connector 322D of theLED unit 30D is connected to acathode terminal 221K of thefirst connector 221 of thepower source part 22. - As shown in
Fig. 5 , to connect the warm white LEDlight sources 312, first ananode terminal 222A of thesecond connector 222 of thepower source part 22 is connected to a first pin of the anode-side connector 321A of theLED unit 30A.
Next, a third pin of the cathode-side connector 322A of theLED unit 30A is connected to a first pin of the anode-side connector 321B of theLED unit 30B. - Similarly, the
LED unit 30B is connected to theLED unit 30C, and theLED unit 30C is connected to theLED unit 30D.
TheLED units harness 34.
Finally, a third pin of the cathode-side connector 322D of theLED unit 30D is connected to acathode terminal 222K of thesecond connector 222 of thepower source part 22. - In the
LED unit 30 as the illumination device and theillumination fixture 10 in the first embodiment, although the 4-pin anode-side connector 321 and the 3-pin cathode-side connector 322 are adopted asconnectors 32 used in eachLED unit 30, theconnectors 32 are not limited to these and may be other connectors that are different from each other in the number of pins. - Connectors that are same as each other in the number of pins but are different from each other in manufacturer or type can be adopted as the
connectors 32.
Alternatively, the anode-side connector 321 and the cathode-side connector 322 that have different colors can be adopted as theconnectors 32. - In the above-mentioned
LED unit 30 according to the first embodiment of the present invention, the anode-side connector 321 electrically connected to the anode side of theLED light sources 31 is different from the cathode-side connector 322 electrically connected to the cathode side of theLED light sources 31.
For this reason, since wrong connection at assembling can be prevented and the type of theLED units 30 can be made uniform, manufacturing and management costs can be reduced. - The color of the anode-
side connector 321 electrically connected to the anode side of theLED light sources 31 is different from that of the cathode-side connector 322 as the second terminal part electrically connected to the cathode side of theLED light sources 31.
This can prevent wrong connection at assembling. - Since the two or
more LED units 30 are provided, illumination having a sufficient brightness can be achieved. - Since the two or more types of
LED light sources 31 are used, various light distributions can be achieved. - Further, in the
illumination fixture 10 according to the first embodiment of the present invention, since the above-mentionedLED units 30 are used, the type of theLED units 30 can be made uniform, thereby manufacturing and management costs can be reduced. - Next, an illumination device and an illumination fixture according to a second embodiment of the present invention will be described with reference to figures.
The same sections as those in the illumination device (LED unit) 30 and theillumination fixture 10 according to the first embodiment are given the same reference numerals and description thereof is omitted. - The
illumination fixture 10B according to the second embodiment has the same configuration as theillumination fixture 10 described with reference toFig. 1 andFig. 2 . Although anLED unit 40 is similar to the LED unit shown in the component arrangement view ofFig. 4 ,connectors 41 are different from theconnectors 32 in the first embodiment and thus, theconnectors 41 will be mainly described. The other configuration is the same as the configuration of theLED unit 30. - As shown in
Fig. 6 , in theLED unit 40 according to the second embodiment, thesame connectors 41 are used as an anode-side connector 411 and a cathode-side connector 412.
The anode-side connector 411 has four pins, and a first pin is connected to the anode side of the warm white LEDlight sources 312. A fourth pin is connected to the anode side of the white LEDlight sources 311.
The cathode-side connector 412 also has four pins, and a third pin is connected to the cathode side of the warm white LEDlight sources 312. A second pin is connected to the cathode side of the white LEDlight sources 311. -
Fig. 7 is a connection view in a state where the fourLED units 40 are used in theillumination fixture 10B (refer toFig. 1 ).
As shown inFig. 7 , theLED units power source part 22. Thepower source part 22 has two lines of DC output. - One of the lines is an output from the
first connector 221, which serves to light the white LEDlight sources 311 mounted in theLED units
The other line is an output from thesecond connector 222, which serves to light the warm white LEDlight sources 312 mounted in theLED units - Next, connection of the white LED
light sources 311 will be described.
As shown inFig. 7 , a fourth pin of a anode-side connector 411A of theLED unit 40A is connected to theanode terminal 221A of thefirst connector 221 of thepower source part 22.
Next, a second pin of a cathode-side connector 412A of theLED unit 40A is connected to a fourth pin of a anode-side connector 411B of theLED unit 40B.
That is, the anode-side connector 411 and the cathode-side connector 412 adopt thesame connector 41, but use the pins of different numbers (positions). - Similarly, the
LED units
TheLED units harness 34.
Finally, a second pin of a cathode-side connector 412D of theLED unit 40D is connected to thecathode terminal 221K of thefirst connector 221 of thepower source part 22. - As shown in
Fig. 7 , to connect the warm white LEDlight sources 312, first, a first pin of the anode-side connector 411A of theLED unit 40A is connected to theanode terminal 222A of thesecond connector 222 of thepower source part 22.
Next, a third pin of the cathode-side connector 412A of theLED unit 40A is connected to a first pin of the anode-side connector 411B of theLED unit 40B. - Similarly, the
LED units
TheLED units harness 34.
Finally, a third pin of the cathode-side connector 412D of theLED unit 40D is connected to thecathode terminal 222K of thesecond connector 222 of thepower source part 22. - In the
LED units 40 and theillumination fixture 10B according to the second embodiment of the present invention, the same connectors are used as the anode-side connector 411 and the cathode-side connector 412. Since the anode-side connector 411 and the cathode-side connector 412 use the pins of different numbers, wrong connection at assembling can be prevented.
As a result, the type of theLED units 40 can be made uniform, thereby reducing manufacturing and management costs.
By making the color of the anode-side connector 411 different from the color cathode-side connector 412, wrong connection can be further prevented. - The
LED units illumination fixtures -
- 10
- Illumination fixture
- 30
- LED unit (illumination device)
- 31
- LED light source
- 32
- Connector
- 321
- Anode-side connector (first terminal part)
- 322
- Cathode-side connector (second terminal part)
- 33
- Printed circuit substrate (LED substrate)
Claims (6)
- An illumination device comprising:at least one LED light source;a first terminal part electrically connected to an anode side of the LED light source;a second terminal part electrically connected to an cathode side of the LED light source; andan LED substrate mounted thereon with the LED light source, the first terminal part, and the second terminal part, whereinthe first terminal part is different from the second terminal part in external appearance.
- An illumination device comprising:at least one LED light source;a first terminal part electrically connected to an anode side of the LED light source;a second terminal part electrically connected to an cathode side of the LED light source; andan LED substrate mounted thereon with the LED light source, the first terminal part, and the second terminal part, wherein:the first terminal part and the second terminal part adopts the same connector; anda pin number of the connector connected to the anode side of the LED light source is different from a pin number of the connector connected to the cathode side of the LED light source.
- The illumination device according to claim 1 or claim 2, wherein the first terminal part is different from the second terminal part in external appearance color.
- The illumination device according to any one of claim 1 to claim 3, wherein the two or more LED light sources are provided.
- The illumination device according to any one of claim 1 to claim 4, wherein two or more types of the LED light sources are provided.
- An illumination fixture using the illumination device according to any one of claim 1 to claim 5.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2011232618A JP5841802B2 (en) | 2011-10-24 | 2011-10-24 | lighting equipment |
Publications (2)
Publication Number | Publication Date |
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EP2587137A1 true EP2587137A1 (en) | 2013-05-01 |
EP2587137B1 EP2587137B1 (en) | 2017-12-13 |
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Application Number | Title | Priority Date | Filing Date |
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EP12187246.9A Not-in-force EP2587137B1 (en) | 2011-10-24 | 2012-10-04 | Illumination device and illumination fixture |
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EP (1) | EP2587137B1 (en) |
JP (1) | JP5841802B2 (en) |
Families Citing this family (3)
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JP6179725B2 (en) * | 2014-03-03 | 2017-08-16 | 東芝ライテック株式会社 | lighting equipment |
JP6480714B2 (en) | 2014-11-19 | 2019-03-13 | サムテック・イノベーションズ株式会社 | Inspection equipment |
TWI664420B (en) * | 2014-11-19 | 2019-07-01 | 日商三務特工股份有限公司 | Article inspection device |
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DE202006012728U1 (en) * | 2006-08-17 | 2007-12-20 | Olmesdahl, Dirk | light module |
US20080253122A1 (en) * | 2007-04-13 | 2008-10-16 | B/E Aerospace, Inc. | Led lighting system for retrofitting an aircraft cabin fluorescent lighting system |
CA2633054A1 (en) * | 2008-05-15 | 2009-11-15 | Chao Tai Electron Co. Ltd | Decorative light string device |
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JPH11298049A (en) * | 1998-04-16 | 1999-10-29 | Matsushita Electron Corp | Light-emission display device |
DE20018865U1 (en) * | 2000-11-07 | 2001-02-01 | Kegelbahntechnik Dortmund GmbH, 44357 Dortmund | Lighting system |
JP2002304902A (en) * | 2001-04-04 | 2002-10-18 | Matsushita Electric Works Ltd | Light source device |
DE102007041136A1 (en) * | 2007-08-30 | 2009-03-05 | Osram Opto Semiconductors Gmbh | LED housing |
JP2009099363A (en) * | 2007-10-16 | 2009-05-07 | Electronics & Materials Corporation Ltd | Led lighting device |
TW201018822A (en) * | 2008-11-10 | 2010-05-16 | Everlight Electronics Co Ltd | Illumination device and light emitting diode module |
DK2209165T3 (en) * | 2009-01-19 | 2012-09-24 | Erea Nv | Device for fail-safe mechanical and electrical connectivity between conductors |
JP5394778B2 (en) * | 2009-03-05 | 2014-01-22 | 株式会社ナカニシ | Light emitting device |
KR101625563B1 (en) * | 2009-09-30 | 2016-05-30 | 서울반도체 주식회사 | Method of manufacturing a light emitting unit and light emitting device using the same |
JP2011076913A (en) * | 2009-09-30 | 2011-04-14 | Panasonic Corp | Lighting unit and lighting device |
DE202010016257U1 (en) * | 2010-12-07 | 2011-02-17 | Bag Engineering Gmbh | LED module with housing connector |
JP5774861B2 (en) * | 2011-02-07 | 2015-09-09 | 三菱電機株式会社 | Light emitting device |
JP2012235060A (en) * | 2011-05-09 | 2012-11-29 | Mitsubishi Electric Corp | Printed wiring board and printed circuit board and device |
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2011
- 2011-10-24 JP JP2011232618A patent/JP5841802B2/en active Active
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2012
- 2012-10-04 EP EP12187246.9A patent/EP2587137B1/en not_active Not-in-force
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DE202006012728U1 (en) * | 2006-08-17 | 2007-12-20 | Olmesdahl, Dirk | light module |
US20080253122A1 (en) * | 2007-04-13 | 2008-10-16 | B/E Aerospace, Inc. | Led lighting system for retrofitting an aircraft cabin fluorescent lighting system |
CA2633054A1 (en) * | 2008-05-15 | 2009-11-15 | Chao Tai Electron Co. Ltd | Decorative light string device |
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Also Published As
Publication number | Publication date |
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JP5841802B2 (en) | 2016-01-13 |
EP2587137B1 (en) | 2017-12-13 |
JP2013093104A (en) | 2013-05-16 |
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