RU2000132978A

RU2000132978A - LED LIGHTING DEVICE WITH LIGHT RADIATION CONTROL

Info

Publication number: RU2000132978A
Application number: RU2000132978/09A
Authority: RU
Inventors: Масатоси ОХИСИ; Тоетаро ТОКИМОТО; Фумио ИМАИ
Original assignee: Эвикс Инк.; Сентрал Джэпэн Рэйлвэй Компани
Priority date: 1999-12-28
Filing date: 2000-12-27
Publication date: 2002-11-27

Claims

1. A lighting device based on light emitting diodes with light emission control, including a part of the lighting device, consisting of LEDs, which contains the first color LED group, the second color LED group and the third color LED group; a part connecting AC power for connecting to a power source; a part converting a power source for rectifying an AC power received through a part connecting an AC power; a first color drive circuit, a second color drive circuit and a third color drive circuit for supplying power to the first color LED group, the second color LED group, and the third color LED group, using the output signal of the part converting the power source, so as to provide radiation from the LED groups; means for generating input control signals for generating a single sequence of input control signal, wherein the value of the input control signal increases or decreases in a predetermined range in response to user actions; means for generating an output control signal for generating a combination of luminance data of a first color, luminance data of a second color, and luminance data of a third color corresponding to a value of an input control signal in accordance with predetermined characteristics; and individual power control means for independently controlling the first color drive circuit, the second color drive circuit and the third color drive circuit based on the brightness data of the first color, brightness data of the second color and brightness data of the third color to change the amount of power supplied to the first group of LEDs, the second the SVD group and the third SVD group, moreover, the color tone of the part of the lighting device, consisting of SVD, is continuously changing depending on the value of the control input signal An event with a predefined main curve set in the chromaticity coordinate system.

2. A lighting device based on LEDs with light emission control according to claim 1, characterized in that it further includes means for generating a second input control signal for generating one sequence of a second control signal, the magnitude of the second signal increasing or decreasing in a predetermined range as a result of user actions ; general power control means for uniformly changing the amount of power supplied to the first color LED group, the second color LED group and the third color LED group by uniformly increasing or decreasing the current in the first color drive circuit, the second color drive circuit and the third color drive circuit, depending from the value of the second input control signal, and the color cast of the lighting device, consisting of LEDs, is essentially kept constant when the brightness of the light changes I.

3. A lighting device based on LEDs with light emission control according to claim 2, characterized in that the first color drive circuit, the second color drive circuit and the third color drive circuit are direct current circuits, and the individual power control means changes the amount of power supplied to an SVD group of the first color, an SVD group of a second color and an SVD group of a third color by pulse width modulation.

4. A lighting device based on LEDs with light emission control according to claim 1, characterized in that it further includes means for generating a second input control signal for generating one sequence of a second control signal, wherein the value of the second control signal increases or decreases in a predetermined range as a result of actions user general power control means for uniformly changing the amount of power supplied to the first color LED group, the second color LED group and the third color LED group by changing the output signal of the part converting the power source, depending on the magnitude of the second control input signal, the color shade of the lighting device , consisting of SVD, is actually kept constant when the brightness of the light changes.

5. A lighting device based on LEDs with light emission control according to claim 1, characterized in that a part of a lighting device consisting of LEDs, a part connecting AC power, a part converting a power source, a first color drive circuit, a second color drive circuit, a third-color drive circuit, means for generating control output signals, including a part for receiving a control signal, and means for individually controlling the power are mounted on the main body of the lighting device; means for generating control input signals, including a part for transmitting control signals, mounted on a remote controller located separately from the main body; moreover, a part for transmitting a control signal is connected to a part for receiving a control signal of a radio transmission channel.

6. A lighting device based on light-emitting diodes with light emission control, including a part of the lighting device, consisting of an LED, which contains a group of LEDs of the first color, a group of LEDs of the second color and a group of LEDs of the third color; a first color drive circuit, a second color drive circuit and a third color drive circuit for supplying power to the first color LED group, the second color LED group and the third color LED group, for providing emission of the LED groups; means for generating input control signals for generating a single sequence of input control signal, wherein the magnitude of the input control signal increases or decreases in a predetermined range in response to user actions; means for generating control output signals for generating a combination of luminance data of a first color, luminance data of a second color, and luminance data of a third color corresponding to a value of an input control signal in accordance with a predetermined main curve set in a color coordinate system; and individual power control means for independently controlling the first color drive circuit, the second color drive circuit and the third color drive circuit based on the brightness data of the first color, brightness data of the second color and brightness data of the third color to change the amount of power supplied to the first group of LEDs, the second the SVD group and the third SVD group, wherein the color tone of the part of the lamp composed of the SVD continuously changes depending on the values of the input control signal.