WO2015060270A1 - 照明装置 - Google Patents
照明装置 Download PDFInfo
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- WO2015060270A1 WO2015060270A1 PCT/JP2014/077876 JP2014077876W WO2015060270A1 WO 2015060270 A1 WO2015060270 A1 WO 2015060270A1 JP 2014077876 W JP2014077876 W JP 2014077876W WO 2015060270 A1 WO2015060270 A1 WO 2015060270A1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
- H05B41/2928—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
- H05B45/22—Controlling the colour of the light using optical feedback
Definitions
- the present invention relates to an illuminating device that can control light emission outputs of a plurality of LEDs having different light emission colors to various light emission colors.
- This lighting device controls the light emission output of a plurality of LEDs having different light emission colors, and controls the light emission color from each LED to a specific light emission color. For example, by controlling the light emission output of blue LED, red LED and green LED and mixing blue light, red light and green light at a specific ratio, total light emission color recognized by human eyes Can be white. Furthermore, by controlling the light emission output of each LED, it is possible to adjust to a full color light emission color. In this lighting device, in order to set the total light emission color to a specific color, the x value and the y value of the chromaticity coordinates are input and adjusted to the light emission color of the input chromaticity coordinates.
- An illumination device that controls the light emission output of a plurality of LEDs to control the total light emission color needs to input the x value and the y value of the chromaticity coordinates in order to specify the total light emission color.
- the first object of the present invention is to solve the above-mentioned drawbacks, that is, to provide an illumination device that can be easily and easily controlled to a specific emission color by all users.
- the luminescent color of the lighting device can be adjusted by specifying coordinate values such as the x and y values of the chromaticity coordinates.
- coordinate values such as the x and y values of the chromaticity coordinates.
- a second object of the present invention is to provide an illumination device that can control a specific emission color while preventing the above disadvantages, that is, adverse effects on the eyes and brain of the user.
- the illuminating device of the present invention inputs LEDs 1 having different emission colors, a control circuit 2 that controls the emission intensity of each LED 1, and a total emission color that is connected to the control circuit 2 and in which the emission colors of the LEDs 1 are mixed.
- the input device 3 includes a color display unit 8 configured to display the chromaticity diagram 13 in color, a color point indicating tool 9 for designating the color point P of the chromaticity diagram 13 displayed on the color display unit 8, and this And an output circuit 10 that detects the coordinate value of the color point P indicated by the color point indicating tool 9 and outputs it to the control circuit 2.
- the control circuit 2 outputs the limiter signal 5 for limiting the maximum output at the peak wavelength of the LED 1, the coordinate value input from the input device 3, and each LED 1 from the limiter signal output from the limiter circuit 5. And an arithmetic circuit 4 for calculating the light emission output.
- the lighting device controls the light emission output of each LED 1 by the control circuit 2 with the x value and y value input from the input device 3 and the limiter signal input from the limiter circuit 5, and the total light emission of each LED 1.
- the color is made to emit the emission color of the color point P indicated by the color point indicating tool 9 of the input device 3.
- the above-described lighting device has a feature that all users can easily and easily control the total emission color to a specific emission color. It is indicated that the above lighting device indicates the color point of the chromaticity diagram displayed in color without inputting coordinate values such as the x value and y value of the color point specifying the total emission color. This is because the total emission color is adjusted to the emission color of the color point.
- the above lighting device has a feature that it can control the emission color of the specified color point while preventing adverse effects on the eyes and brain of the user.
- the above lighting device is provided with a limiter circuit that outputs a limiter signal that limits the maximum output at the peak wavelength of the LED, and is output from the limiter circuit in addition to coordinate values such as an x value and a y value indicating a color point. This is because the emission output of each LED is controlled by both of the limiter signals to control the total emission color to a specific color point.
- the lighting device of the present invention is provided with a use input device 7 for designating a use in the input device 3, and the limiter circuit 5 stores the limiter signal of each LED 1 corresponding to the use input from the use input device 7.
- the light emission output of each LED 1 can be controlled by the limiter signal stored in the limiter circuit 5.
- This lighting device has a feature that the total light emission color can be controlled to a designated color point while preventing the eyes and brain of the user from being stimulated in an optimum state for the application.
- a light emission output input device 12 for inputting the total light emission intensity of the LED 1 is provided in the input device 3, a light emission output signal inputted from the light emission output input device 12, and coordinates inputted from the input device 3.
- the light emission output of each LED 1 can be controlled by the value and the limiter signal input from the limiter circuit 5.
- This illuminating device has a feature that the total light emission color can be designated as a color point while controlling the light emission output of the total light emission color to an optimum intensity for the user.
- the lighting device of the present invention is provided with a light output detection circuit 14 for detecting the total light emission color of the LED 1, and the control circuit 2 receives the total light emission color detected by the light output detection circuit 14 from the input device 3.
- a feedback circuit for correcting the emission color of the LED 1 to the color point input from the input device 3 can be provided. Since this lighting device detects the total light emission color of the LED 1 by the light output detection circuit 14 and corrects it to the color point input from the input device 3, the x value for specifying the color point of the total light emission color of the LED more accurately. Or a coordinate value such as a y value.
- any LED does not light or the light emission output of any LED decreases, or the lighting device emits light. Even when light is incident from the outside, there is a feature that the designated emission intensity and the total emission color can be set to the color point designated by the input device 3.
- the lighting device of the present invention can convert the chromaticity diagram into an xy chromaticity diagram, the coordinate values into x values and y values, and the chromaticity diagram into a UCS chromaticity diagram and the coordinate values into u values and v values. It can also be.
- the color point indicator 9 is provided with a photosensor for detecting the red component R, the green component G, and the blue component B in the designated region of the color display unit 8, and the red component R detected by this photosensor.
- the green component G and the blue component B can be output to the control circuit 2 as coordinate values. Since this lighting device outputs a red component R, a green component G, and a blue component B from the color point indicating tool, the calculation circuit of the control circuit converts the x value and y value of the chromaticity diagram, or the UV address to RGB. Without conversion, each LED can emit light by calculating from the RGB output of the color point indicator and specifying the light emission output of each LED.
- a diffusion plate for diffusing the light emission of the LED 1 can be disposed in front of the LED 1. Since this illuminating device diffuses light emitted from the LED with the diffusion plate, the light emitted can be made uniform, and eyes can be prevented from being stimulated by looking at the LED.
- the control circuit 2 controls the emission intensity of the LEDs 1 of each emission color, and the total emission color of all LEDs 1 that emit light under the control of the control circuit 2.
- An input device 3 for inputting a color point and a light output detection circuit 14 for detecting a total light emission color of the plurality of LEDs 1 to emit light are provided.
- the control circuit 2 controls the light emission output of each LED 1 to control the total light emission color of the plurality of LEDs 1 to the color point input from the input device 3.
- the lighting device described above detects the total light emission color of the plurality of LEDs 1 by the light output detection circuit 14 and feeds back to the control circuit 2, the total light emission color of the plurality of LEDs 1 can be accurately set to the light emission color point.
- the illumination device of the present invention does not necessarily need to be provided with a light output detection circuit, and the control circuit can control the light emission output of each LED to control the total light emission color to the color point input from the input device. it can.
- the LEDs 1 having different emission colors are composed of red LEDs 1a, green LEDs 1b, and blue LEDs 1c, that is, red, green, and blue (RGB) LEDs.
- An illuminating device in which the LED 1 is an RGB primary color LED can control the light emission output of each LED 1 to make the total light emission color full color.
- the lighting device of the present invention does not necessarily require the LEDs to be LEDs of the three primary colors of RGB.
- the white LED 1d and other light emitting color LEDs such as a blue LED 1c, green
- the total emission color can be changed from white to blue, from white to green, or from white to red.
- the illuminating device of FIG. 1 includes RGB LEDs 1 composed of a plurality of LEDs, that is, a plurality of red LEDs 1a, a plurality of green LEDs 1b, and a plurality of blue LEDs 1c, to increase the total light emission output. .
- This illumination device can increase the total light emission output by increasing the number of LEDs 1 of each emission color.
- the illuminating device shown in the figure includes a plurality of blue LEDs 1c, a plurality of green LEDs 1b, and a plurality of red LEDs 1a to increase the light emission output. The light output of the lighting device is adjusted to an optimum value for the application.
- the LEDs 1 of the respective emission colors control the light emission output to the optimum value as the optimum number for the application.
- the light emission output of the LED 1 of each light emission color is not necessarily the same. it can.
- a diffusion plate 19 is disposed in front of the LED 1.
- the diffusion plate 19 is a filter made of paper, glass, plastic, plastic film, or the like, and diffuses the light transmitted through the LED 1 and irradiates it forward.
- the diffusing plate 19 diffuses light that passes through fine irregularities on the surface, or a diffusing material inside, or a distortion or the like inside.
- the illuminating device that diffuses and emits the light emitted from the LED 1 with the diffusion plate 19 can irradiate the light uniformly.
- the diffuser plate 19 can be removed depending on the use of the light emission output.
- the total light emission color of the plurality of LEDs 1, that is, the light emission color that the user feels when viewing the mixed light of the RGB LED 1 is adjusted to the light emission color of the color point P specified by the input device 3.
- the control circuit 2 controls the light emission output of each LED 1 so as to realize this. Therefore, the control circuit 2 includes an arithmetic circuit 4 that calculates the light emission output of each LED 1 from the coordinate values such as the x value and y value of the color point P input from the input device 3.
- the LED 1 of each emission color is caused to emit light by the light emission output calculated by the arithmetic circuit 4.
- the control circuit 2 shown in the figure has a display unit 15 connected to the arithmetic circuit 4.
- the display unit 15 displays an x value and a y value, or a u value and a v value, which are coordinate values of the total light emission color of the LED 1, or displays the light emission intensity of the RGB LED 1.
- an x value and a y value are displayed.
- u and v values are used as coordinate values. indicate.
- the display unit 15 can also display the output of each LED 1a, 1b, 1c that emits light in RGB.
- the display of the display unit 15 can be viewed by the user and changed by the input device 3, and the control data to be changed can be output to the driver circuit via the arithmetic circuit to control the output of each LED.
- a sub input device (not shown) is provided in the display unit, the display is changed by this sub input device, control data to be changed is output to the driver circuit via the arithmetic circuit, and the output of each LED is controlled. You can also This lighting device can also transmit the control data changed by the display unit 15 to the input device 3 to light and display the display point corresponding to the current control data.
- the display unit 15 can also display the hue, brightness, saturation, and the like of the emission color emitted by each LED.
- the chromaticity diagram is an xy chromaticity diagram, but the lighting device of the present invention can be a UCS chromaticity diagram.
- An apparatus that uses a chromaticity diagram as a UCS chromaticity diagram has coordinate values of u and v, and the u and v values are calculated from specific values already known from the x and y values. Can do.
- the light output detection circuit 14 detects the total emission color of the LED 1 in a state in which the plurality of LEDs 1 are lit, and detects the emission color signal, that is, the RGB signal value, or the x and y values, and the luminance signal value. And can be fed back to the control circuit 2.
- control circuit 2 does not control only the light output of each LED 1 by calculating only the color points input from the input device 3.
- the control circuit 2 includes a limiter circuit 5 that limits the maximum output at the peak wavelength of the LED 1 of each emission color, in addition to the emission intensity and color point of each LED input from the input device 3.
- the limiter circuit 5 outputs a limiter signal to the arithmetic circuit 4.
- the arithmetic circuit 4 has a built-in main CPU, and the main CPU is connected to an optical output detection circuit 14, a driver circuit 6, a display unit 15, a limiter circuit 5, and an interface via connection lines such as an address bus, a data bus, and an interrupt control line.
- the circuit 17, the scene memory 16, the output circuit 10 of the input device 3, the color display unit 8, the color point indicating tool 9, the light emission output input unit circuit 12, the application input device 7, etc. are connected to the sub CPU.
- the main CPU of the arithmetic circuit is connected to the address bus, data bus, and interrupt line of each sub CPU and performs bidirectional data control.
- each circuit can be provided in an arithmetic circuit without being provided with a sub CPU, and each circuit can be controlled by a signal from the main CPU.
- the arithmetic circuit 4 calculates both the coordinate value indicating the color point P input from the input device 3 and the limiter signal input from the limiter circuit 5 to calculate control data for specifying the light emission output of each LED 1.
- the control data is output to the driver circuit 6 to cause each LED 1 to emit light with a predetermined output.
- the coordinate values input to the arithmetic circuit 4 are the x and y values in the xy chromaticity diagram, the u and v values in the UCS chromaticity diagram, or the red component (R) and green component (G ) And blue component (B).
- the limiter circuit 5 stores a limiter signal that limits the maximum output of each LED 1 corresponding to a plurality of uses.
- the illuminating device of the present invention adjusts the light emission output of the LEDs 1 having different emission colors, and recognizes the light emission of each LED 1 as the light of the emission color of the color point P that is visually specified by the user. In this state, the user recognizes the light emission color of the lighting device as the light emission color of the color point P. If the light emission output at the peak wavelength of any of the LEDs 1 is too large in this state, the user's eyes and brain are affected. May cause adverse effects.
- the user recognizes the light emission color of the lighting device as the light emission color of the color point P specified by the input device 3 and the light emission peak at a specific peak wavelength of any LED 1 is too large. It is not immediately recognized that a luminescence peak that is too strong will adversely affect the eyes and brain. The user feels as light of the total emission color, and even if the LED 1 emits light of a large emission peak with a narrow band spectrum, it does not feel only the light of this emission peak, but recognizes it as light of the total emission color Because it does. For this reason, the light emission peak of a specific LED may adversely affect the eyes and brain of the user in a state where the light emission color of the color point that designates the total light emission color is adjusted.
- the blue light emission peak of a blue LED has low visibility to the human eye and should be adjusted to the light emission color of the color point specified as white or the like by increasing the light emission output when used in bright applications. There is. In this state, the user feels that the luminescent color of the lighting device is white and does not feel the blue light emission peak strongly, and the blue light emission peak becomes too strong, which may adversely affect the eyes and the brain.
- the lighting device of FIG. 1 is provided with a limiter circuit 5 that outputs a limiter signal for limiting the maximum output at the peak wavelength of the LED 1 in the control circuit 2.
- the control circuit 2 controls the light emission output of each LED 1 with both the limiter signal output from the limiter circuit 5 in addition to the x value and the y value indicating the color point P, and sets the total light emission color to a specific color point. adjust.
- the control circuit 2 outputs the limiter signal stored in the limiter circuit 5 to the arithmetic circuit 4, and the arithmetic circuit 4 calculates the control data so that the light emission peak of each LED 1 does not exceed the maximum output.
- the light emission of each LED 1 is controlled by the control data.
- the control circuit 2 restricts the total light emission output while setting the total light emission color as the designated color point, or sets the total light emission color. Adjust the emission color to be slightly different from the specified color point.
- the control circuit 2 limits the total light emission output while setting the total light emission color as the designated color point corresponding to the input application, or the light emission color slightly deviating from the color point designated as the total light emission color. Adjust to. For example, in applications where the emission output can be limited with emphasis on the total emission color, for example, in applications where the resting environment is resting at home, the emission output is limited with emphasis on the total emission color, making it suitable for office and learning environments. In this case, the total light emission color is adjusted to a light emission color that deviates from the color point, and the light emission output is not limited.
- the lighting device of FIG. 1 stores the limiter signal of each LED 1 corresponding to various uses in the limiter circuit 5.
- the usage of the lighting device is input from a usage input device 7 provided in the input device 3.
- the limiter circuit 5 stores an optimum limiter signal in, for example, an office environment where the lighting device is used in an office, a learning environment used when learning at school or at home, and a resting environment where rest is performed at home.
- the maximum output of the LED 1 emission peak is set to be larger than that in the rest environment to increase work or learning efficiency. The output can be lowered to reduce the adverse effects on the user's eyes and brain.
- the lighting device that makes the maximum output of the light emission peak of the LED 1 optimal for the application can adjust the total light emission color to the indicated color point while more effectively preventing the user's eyes and brain from being stimulated.
- the arithmetic circuit 4 calculates the control data so as to limit the light emission output of each LED 1 by the limiter signal input from the limiter circuit 5 in addition to the x value and the y value of the color point P.
- the control circuit 2 in FIG. 1 includes a scene memory 16 that stores scene data calculated by the arithmetic circuit 4 corresponding to various applications. When an application is input from the application input unit 7, the control circuit 2 reads scene data corresponding to the application from the scene memory 16, calculates control data, and outputs the operation data to the driver circuit 6. Controls the light emission output of each LED 1 by the input control data.
- the illumination device of FIG. 1 is provided with the application input device 7 in the input device 3, as shown in FIG. 1, external connection such as a personal computer, a dedicated terminal, a mobile phone, etc. installed separately via the interface circuit 17 is provided. By connecting to the device 18, a color point, light emission output, usage, etc. can be input from the external connection device 18.
- the control circuit 2 in FIG. 1 includes a driver circuit 6 that adjusts the light emission output of each LED 1 with a control signal output from the arithmetic circuit 4.
- the driver circuit 6 controls the current output to the LED 1 by the control signal input from the arithmetic circuit 4 to control the light emission output of the LED 1.
- the control signal is a voltage signal or a current signal
- the driver circuit 6 is a bipolar transistor or FET, and controls the light emission output by controlling the current of the LED 1 with the input control signal.
- the FET driver circuit controls the current of the LED 1 using the control signal as a voltage signal
- the driver circuit of the bipolar transistor controls the light emission output using the control signal as a current signal.
- the control circuit 2 is provided with a feedback circuit for correcting the color point. Since this illuminating device corrects the color point with the total emission color detected by the light output detection circuit 14, the total emission color of the plurality of LEDs 1 can be more accurately set as the color point. In this lighting device, the total emission color detected by the light output detection circuit 14 is compared with the color point input from the input device 3 by the arithmetic circuit 4 provided in the control circuit 2, and the total emission color is the color point.
- the light emission output of each LED 1 is calculated so that Even in the state where the total emission color is corrected to the color point, the arithmetic circuit 4 calculates both the limiter signal input from the limiter circuit 5 and the total emission color input from the light output detection circuit 14, and the peak of each LED 1 is calculated. The light emission output of each LED 1 is calculated so that the wavelength does not exceed the maximum output.
- the input device 3 includes a color display unit 8 displaying the chromaticity diagram 13 in full color, a color point indicating tool 9 for designating the color point P of the chromaticity diagram 13 displayed on the color display unit 8, and this And an output circuit 10 that detects the x value and the y value of the color point P in the chromaticity diagram indicated by the color point indicating tool 9 and outputs the detected value to the control circuit 2.
- the input device 3 designates the color point pointing tool 9 by contacting or pressing a specific color point P of the chromaticity diagram 13 displayed on the color display unit 8 or by irradiating light.
- the x value and y value of the color point P are detected.
- the color display unit 8 is a digitizer, a touch panel, a photo sensor, or a resistance sensor whose address is indicated by a resistance value.
- the color display unit 8 displays a full color chromaticity diagram on a monitor.
- 9 includes a position sensor 11 that detects a position where the light 9 is touched or pressed, or is irradiated with light.
- the color display unit 8 shown in FIG. 1 displays the entire chromaticity diagram 13 on the surface
- the color display unit displays an enlarged part of the chromaticity diagram, although not shown, or the chromaticity diagram. It is also possible to display the figure divided into a plurality of parts.
- the color display unit can display the emission colors from morning to noon and further from day to night so that the user can adjust the emission colors from morning to evening.
- An input device having a color display unit as a digitizer or a touch panel detects a position pressed or touched by a color point indicator and outputs the detected position to an output circuit, and detects an x value and a y value by the output circuit.
- An input device using a color display unit as a photosensor irradiates light from a color point indicator to a specific position in a chromaticity diagram displayed on the color display unit, and detects the light irradiation position by the photosensor, and this position signal
- the output circuit detects the x value and the y value and outputs them to the control circuit.
- the input device can use the color point indicating tool 9 with a built-in photo sensor for detecting reflected light from the chromaticity diagram of the color display unit 8.
- This color point indicating tool 9 is a full color which designates a specific position of a chromaticity diagram and detects red component (R), green component (G) and blue component (B) of reflected light from the designated position of the chromaticity diagram.
- This input device outputs the x value and the y value as coordinate values to the control circuit from the reflected light detected by the full-color photosensor built in the color point indicator 9. Furthermore, the above input device can also output the red component (R), green component (G), and blue component (B) detected by the photo sensor of the color point indicating tool 9 as coordinate values to the control circuit.
- this input device there is no need to provide a sensor for detecting a pressed position or a touch position, or a sensor for detecting a position irradiated with light in the color display unit, and a simple chromaticity diagram can be displayed on a flat plate display. Can be structured. In addition, a monitor that displays a chromaticity diagram in full color can be used for the color display section.
- the output circuit 10 calculates the x value and the y value from the signal input from the position sensor 11 and outputs the result to the control circuit 2.
- the output circuit 10 stores in advance data for converting the position signal input from the position sensor 11 into an x value and a y value as a lookup table or a function, and calculates the x value and the y value from the input position signal. And output to the control circuit 2.
- the input device 3 in FIG. 1 includes a use input device 7 for inputting a use for using the lighting device, and a light emission output input device 12 for inputting the total light emission intensity.
- the application input unit 7 is a plurality of push button switches 7A provided for each application, and displays the application on each push button switch 7A.
- Each push button switch 7 ⁇ / b> A is connected to the limiter circuit 5, and outputs a signal specifying the use of the lighting device to the limiter circuit 5.
- the push button switch 7 ⁇ / b> A is a non-lock button and outputs an ON signal when it is pressed for a short time, and outputs a signal specifying the application to the limiter circuit 5.
- the signal of the push button switch 7A is also transmitted to the arithmetic circuit 4.
- the illumination device that confirms the display on the display unit 15 and changes the light emission color or light emission intensity of the LED, the light emission color and light emission of the LED in a state where the push button switch is pressed and held down for a long time.
- the intensity can be stored in the scene memory.
- This lighting device can be adjusted to the emission color and emission intensity stored in the scene memory by short-pressing the long-pressed push button switch.
- the user can adjust the light emission color and light emission intensity to be optimal for the user by long pressing each push button switch.
- the lock button can be used although there are fewer control items.
- As the push button switch 7A a multi-contact rotary switch, dip switch, slide switch, or the like can be used, and an LED lamp can be used as tally information thereof.
- the light emission output input device 12 is a device that detects the number of rotations, the rotation angle, the position of linear movement, etc., and outputs it as an electrical signal.
- the light emission output input device 12 is a rotary encoder, a variable resistor, or an input device that detects a rotation speed, a rotation angle, and a slide position and outputs a digital signal.
- the light emission output input device 12 can also be constituted by a push button switch for increasing the light emission output and a push button switch for decreasing it.
- the light emission output input device of the push button switch specifies the total light emission output by increasing or decreasing the light emission output at a specific ratio every time any button is pressed.
- the light emission output input device of the push button switch is provided with a display section (not shown) for the total light emission color to be input, and displays the total light emission color to be input.
- the above lighting device is used in the following state. 1.
- the user inputs an application for using the lighting device from the application input unit 7. Further, the total light emission output is input from the light emission output input device 12. A signal specifying the input application and the total light emission output is input to the control circuit 2. 2. Further, when the user designates the color point P of the chromaticity diagram displayed on the color display unit 8 with the color point indicating tool 9, the x value and y value of the designated color point P are output to the control circuit 2.
- the control circuit 2 includes an arithmetic circuit 4 for use as input from the input device 3, total light emission output, x value and y value for specifying the designated color point P, and a limiter input from the limiter circuit 5. Control data is calculated from the signal, this control data is output to the driver circuit 6, and each LED 1 is turned on with the calculated light emission output.
- the control circuit 2 connecting the scene memory 16 to the arithmetic circuit 4 reads the scene data stored in the scene memory 16 and calculates the control data. When the maximum output at the peak wavelength of each LED 1 that is turned on by the control data calculated by the arithmetic circuit 4 is smaller than the value specified by the limiter signal in the limiter circuit 5, the light emission output of the LED 1 is output by the limiter signal. Without limitation, each LED 1 is turned on with the light emission output of the calculated control data.
- the arithmetic circuit 4 adjusts the light emission output of each LED 1 so that the total light emission color and the total light emission output become the light emission color and the light emission output specified by the input device 3.
- the control data is calculated so that the light emission output at the peak wavelength of the LED 1 does not exceed the value specified by the limiter signal, and the light emission output is calculated using this control data. Limit and turn on each LED1.
- the light output detection circuit 14 detects the total emission color and feeds back to the control circuit 2.
- the arithmetic circuit 4 of the control circuit 2 outputs the signal input from the feedback circuit, that is, the x value and y value of the total emission color including the luminance level, or the RGB value, the emission intensity and color input from the input device 3. Compare the x and y values of the points or RGB values, and control the light emission output of each LED 1 so that the total emission color including the luminance level becomes the x and y values or RGB values of the color points. to correct.
- the lighting device adjusts the total light emission color and the total light emission output to the light emission color and light emission output input from the input device 3, so that any of the LEDs 1
- the arithmetic circuit 4 changes the total light emission color slightly from the color point P specified by the input device 3, or the total light emission output is changed. While limiting, the control data for slightly changing the total emission color from the designated color point P is calculated, and the emission output of each LED 1 is adjusted with this control data.
- the lighting device that connects the external connection device 18 via the interface circuit 17 can wirelessly transmit the signal of the external connection device to the control circuit via the interface circuit 17.
- a mobile phone or a smartphone that can display a chromaticity diagram in full color can be used as the input device of the external connection device 18 that wirelessly transmits.
- the mobile phone or smartphone of the external connection device 18 used for the input device displays a chromaticity diagram in full color on the display unit, detects the position of the chromaticity diagram specified by the user, and detects the color point x from the detected position.
- the value and the y value are detected and wirelessly transmitted to the control circuit.
- a mobile phone or a smartphone displays a full-color chromaticity diagram on a display unit, and stores software for detecting an x value and a y value from a specified position of the chromaticity diagram in a memory.
- Cell phones and smartphones that are also used as input devices do not necessarily require an output circuit.
- the output circuit is provided on the control circuit side, and the position signal of the color point is transmitted wirelessly to the output circuit.
- the x value, the y value, and the designated emission intensity can be detected and output to the control circuit.
- This lighting device does not need to store in the memory software for detecting the x value and the y value and the designated emission intensity with a mobile phone or a smartphone.
- An illumination device that uses a mobile phone or a smartphone as an input device can be conveniently used by controlling the total emission color of the LED from a remote location.
- the illuminating device of the present invention can be suitably used as an illuminating device that controls light emission outputs of a plurality of LEDs having different emission colors to control various emission colors.
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
この照明装置は、用途に最適な状態でユーザーの目や脳の刺激を防止しながら、トータル発光色を指示されるカラーポイントにコントロールできる特徴がある。
この照明装置は、トータル発光色の発光出力をユーザーに最適な強度にコントロールしながら、トータル発光色を指示されるカラーポイントにできる特徴がある。
表示部15で変更されたデータが既に記録されているシーンメモリー16のデータと一致した場合には、該当する押しボタンスイッチ7Aをタリー情報として点灯することもできる。また、制御項目は少なくなるがロックボタンを使用することもできる。
押しボタンスイッチ7Aは、複数接点のロータリースイッチ、デイップスイッチ、スライドスイッチなども使用でき、そのタリー情報としてLEDランプを使用することもできる。
1.ユーザーが用途入力器7から照明装置を使用する用途を入力する。また、発光出力入力器12からトータル発光出力を入力する。入力される用途とトータル発光出力を特定する信号が制御回路2に入力される。
2.さらに、ユーザーが、カラーポイント指示具9でカラー表示部8に表示される色度図のカラーポイントPを指定すると、指定されるカラーポイントPのx値とy値とが制御回路2に出力される。
2…制御回路
3…入力装置
4…演算回路
5…リミッター回路
6…ドライバー回路
7…用途入力器;7A…押しボタンスイッチ
8…カラー表示部
9…カラーポイント指示具
10…出力回路
11…位置センサ
12…発光出力入力器;12A…ダイアル
13…色度図
14…光出力検出回路
15…表示部
16…シーンメモリ
17…インターフェース回路
18…外部接続機器
19…拡散板
P…カラーポイント
Claims (10)
- 異なる発光色のLED(1)と、各LED(1)の発光強度を制御する制御回路(2)と、前記制御回路(2)に接続されて、各LED(1)の発光色が混合されたトータル発光色を入力する入力装置(3)とを備え、
前記入力装置(3)が、色度図(13)をカラーで表示してなるカラー表示部(8)と、前記カラー表示部(8)に表示してなる色度図(13)のカラーポイント(P)を指定するカラーポイント指示具(9)と、前記カラーポイント指示具(9)で指示されたカラーポイント(P)の座標値を検出して前記制御回路(2)に出力する出力回路(10)とを備え、
前記制御回路(2)は、前記LED(1)のピーク波長における最大出力を制限するリミッター信号を出力するリミッター回路(5)と、前記入力装置(3)から入力される座標値に加えて、前記リミッター回路(5)から出力されるリミッター信号から各LED(1)の発光出力を演算する演算回路(4)とを備え、
前記制御回路(2)が、前記入力装置(3)から入力される座標値と、前記リミッター回路(5)から入力されるリミッター信号とで各LED(1)の発光出力を制御して、各LED(1)のトータル発光色を、前記入力装置(3)のカラーポイント指示具(9)で指示されるカラーポイント(P)の発光色とするようにしてなる照明装置。 - 前記入力装置(3)が用途を指定する用途入力器(7)を備え、前記リミッター回路(5)が、前記用途入力器(7)から入力される用途に対応する各LED(1)のリミッター信号を記憶しており、
前記用途入力器(7)で入力される用途において、前記リミッター回路(5)に記憶されるリミッター信号で各LED(1)の発光出力を制御する請求項1に記載される照明装置。 - 前記入力装置(3)が前記LED(1)のトータル発光強度を入力する発光出力入力器(12)を備え、前記発光出力入力器(12)から入力される発光出力信号と、前記入力装置(3)から入力されるx値及びy値と、前記リミッター回路(5)から入力されるリミッター信号とで各LED(1)の発光出力を制御する請求項1又は2に記載される照明装置。
- 前記LED(1)のトータル発光色を検出する光出力検出回路(14)を備え、前記制御回路(2)が前記光出力検出回路(14)で検出されるトータル発光色を前記入力装置(3)から入力されるカラーポイントに比較して、前記LED(1)のトータル発光色を前記入力装置(3)から入力されるカラーポイントに補正するフィードバック回路を備える請求項1ないし3のいずれかに記載される照明装置。
- 前記色度図がxy色度図で、座標値がx値とy値とである請求項1ないし4のいずれかに記載される照明装置。
- 前記色度図がUCS色度図で座標値がu値とv値である請求項1ないし4のいずれかに記載される照明装置。
- 前記カラーポイント指示具(9)が、前記カラー表示部(8)の指定領域の赤成分(R)と緑成分(G)と青成分(B)を検出するフォトセンサを備え、前記フォトセンサで検出する赤成分(R)と緑成分(G)と青成分(B)を座標値として制御回路に出力する請求項1ないし4のいずれかに記載される照明装置。
- 前記LED(1)の前方に、LED(1)の発光を拡散する拡散板を配置してなる請求項1ないし7のいずれかに記載される照明装置。
- 前記LEDが、赤色LEDと緑色LEDと青色LEDとを備える請求項1ないし8のいずれかに記載される照明装置。
- 前記LEDが、白色LEDと赤色LEDと緑色LEDと青色LEDとを備える請求項1ないし8のいずれかに記載される照明装置。
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US14/907,974 US9462653B2 (en) | 2013-10-22 | 2014-10-20 | Illumination system |
JP2015543850A JP6261602B2 (ja) | 2013-10-22 | 2014-10-20 | 照明装置 |
GB1601640.4A GB2534698B (en) | 2013-10-22 | 2014-10-20 | Illumination system |
CA2919622A CA2919622C (en) | 2013-10-22 | 2014-10-20 | Illumination device |
AU2014337678A AU2014337678A1 (en) | 2013-10-22 | 2014-10-20 | Illumination device |
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JP6967713B2 (ja) * | 2017-09-29 | 2021-11-17 | パナソニックIpマネジメント株式会社 | 照明器具及び照明制御方法 |
KR102222705B1 (ko) * | 2019-04-17 | 2021-03-04 | (주) 시큐라인 | 풀컬러 조명시스템의 색상표시 및 출력장치 |
US11812532B2 (en) | 2021-05-27 | 2023-11-07 | Wangs Alliance Corporation | Multiplexed segmented lighting lamina |
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GB201601640D0 (en) | 2016-03-16 |
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