Tube light with improved LED array
DCFirst Claim
1. An LED light system configured for providing broad-spectrum white light suitable for a commercial image recording in a form factor of a fluorescent tube, the LED light system comprising:
- a housing having ends and including a support structure in a form of an elongated and narrow surface and having a top side and a bottom side;
a plurality of first LEDs mounted on the top side of the support structure and configured to emit broad-spectrum white light in a first predetermined Kelvin temperature range of cool white light;
a plurality of second LEDs mounted on the top side of the support structure and configured to emit broad-spectrum white light in a second predetermined Kelvin temperature range of warm white light;
circuitry mounted to the support structure including an LED driver circuit configured for selectively electronically switching between driving (i) the first LEDs to provide light while the second LEDs are off and (ii) the second LEDs to provide light while the first LEDs are off, wherein the first and second temperature ranges are nonoverlapping, and including a printed circuit board mounted to the support structure for carrying electrical power from a connection to the LED driver circuit and then to the first and second LEDs;
an elongate cover extending substantially a length of the support structure and covering the top side of the support structure for diffusing light emitted by the first and second LEDs; and
wherein the housing and cover together have a linear form factor of a fluorescent tube light having a diameter of no greater than about one to one and a half inches, wherein the LED light system is configured for receiving input power to be provided to the LED light system to selectively light the first and second LEDs, and wherein the first and second LEDs are disposed in rows and distributed along the length of the top side of the support structure such that the first LEDs and the second LEDs, whichever are on, emit a substantially even light along the length of the top side of the support structure, wherein the light is diffused by the cover and is suitable for the commercial image recording both when the emitted light from the LED light system is in the first temperature range of cool white light and when the emitted light from the LED light system is in the second temperature range of warm white light.
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Abstract
Apparatus and system for producing light using LED lighting with output within a predetermined desired color temperature range for commercial lighting uses. A preferred embodiment includes a first and second group of LEDs arranged in an alternating matrix configuration, each group of LEDs configured to produce light in a predetermined color temperature range. In a preferred embodiment, an LED light system includes a tubular LED lamp having substantially the same size and dimensions as a traditional fluorescent lamp tube and a control box for controlling power input and power gain to the first, second, or both groups of LEDs.
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Citations
40 Claims
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1. An LED light system configured for providing broad-spectrum white light suitable for a commercial image recording in a form factor of a fluorescent tube, the LED light system comprising:
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a housing having ends and including a support structure in a form of an elongated and narrow surface and having a top side and a bottom side; a plurality of first LEDs mounted on the top side of the support structure and configured to emit broad-spectrum white light in a first predetermined Kelvin temperature range of cool white light; a plurality of second LEDs mounted on the top side of the support structure and configured to emit broad-spectrum white light in a second predetermined Kelvin temperature range of warm white light; circuitry mounted to the support structure including an LED driver circuit configured for selectively electronically switching between driving (i) the first LEDs to provide light while the second LEDs are off and (ii) the second LEDs to provide light while the first LEDs are off, wherein the first and second temperature ranges are nonoverlapping, and including a printed circuit board mounted to the support structure for carrying electrical power from a connection to the LED driver circuit and then to the first and second LEDs; an elongate cover extending substantially a length of the support structure and covering the top side of the support structure for diffusing light emitted by the first and second LEDs; and wherein the housing and cover together have a linear form factor of a fluorescent tube light having a diameter of no greater than about one to one and a half inches, wherein the LED light system is configured for receiving input power to be provided to the LED light system to selectively light the first and second LEDs, and wherein the first and second LEDs are disposed in rows and distributed along the length of the top side of the support structure such that the first LEDs and the second LEDs, whichever are on, emit a substantially even light along the length of the top side of the support structure, wherein the light is diffused by the cover and is suitable for the commercial image recording both when the emitted light from the LED light system is in the first temperature range of cool white light and when the emitted light from the LED light system is in the second temperature range of warm white light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 12, 13, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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8. An LED light system configured for providing broad-spectrum white light suitable for a commercial image recording, in a form factor of a fluorescent tube, the LED light system comprising:
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b. a housing having ends and including a support structure in a form of an elongated and narrow surface and having a top side and a bottom side; c. a plurality of first LEDs mounted on the top side of the support structure and configured to emit broad-spectrum white light in a first predetermined Kelvin temperature range of cool white light; d. a plurality of second LEDs mounted on the top side of the support structure and configured to emit broad-spectrum white light in a second predetermined Kelvin temperature range of warm white light; e. circuitry mounted to the support structure including an LED driver circuit configured for selectively electronically switching between driving either (i) the first LEDs to provide light while the second LEDs are off and (ii) the second LEDs to provide light while the first LEDs are off, wherein the first and second temperature ranges are nonoverlapping, and including a printed circuit board mounted to the support structure for carrying electrical power from a connection to the LED driver circuit and then to the first and second LEDs; f. an elongate cover extending substantially a length of the support structure and covering the top side of the support structure for diffusing light emitted by the first and second LEDs; and g. wherein the housing and cover together have a linear form factor of a fluorescent tube light having no greater than a length of four feet and a diameter of no greater than about one to one and a half inches, wherein the LED light system is configured for receiving input power to be provided to the LED light system to selectively light the first and second LEDs, and wherein the first and second LEDs are disposed in a plurality of rows and are equally distributed along the length of the top side of the support structure, whichever are on, evenly emit light along the length of the top side of the support structure, wherein the light is diffused by the cover and is suitable for the commercial image recording both when the emitted light from the LED light system is in the first temperature range of cool white light and when the emitted light from the LED light system is in the second temperature range of warm white light, wherein the light emitted from the first LEDs and the light emitted from the second LEDs are each broad-spectrum white light containing a color deviation of no more than five points of green, and wherein the color rendering index of each of the first LEDs and each of the second LEDs is greater than 90. - View Dependent Claims (9, 10, 11, 14)
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15. An LED light system configured for providing broad-spectrum white light suitable for a commercial image recording in a form factor of a fluorescent tube, the LED light system comprising:
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a. a support structure in a form of an elongated and narrow surface and having a base cap at each end and a top side and a bottom side; b. a plurality of first LEDs mounted on the top side of the support structure and configured to provide broad-spectrum white light within a first predetermined Kelvin temperature range; c. a plurality of second LEDs mounted on the top side of the support structure and configured to provide broad-spectrum white light within a second predetermined Kelvin temperature range; d. circuitry mounted in the support structure including an LED driver circuit and is configured for selectively electronically switching between driving the first LEDs to provide light within the first predetermined temperature range and the second LEDs to provide light within the second predetermined temperature range, wherein the first and second temperature ranges are nonoverlapping, and including a printed circuit board mounted to the support structure for carrying electrical power from a connection at the base cap to the LED driver circuit and then to the first and second LEDs; e. an elongate cover extending substantially a length of the support structure for diffusing light emitted by the first and second LEDs; and f. wherein the support structure and cover together have a form factor of a fluorescent tube light having no greater than a size T12 having a length of four feet and a diameter of no greater than about one to one and a half inches, wherein the LED light system is configured for receiving input power to be provided to the LED light system to selectively light the first and second LEDs, and wherein the first and second LEDs are disposed on the support structure with the first and second LEDs equally distributed along the length of the top side of the support structure and the first and second LEDs are disposed in rows along the length of the top side of the support structure such that the first LEDs and the second LEDs evenly emit light which is diffused by the cover and is suitable for the commercial image recording both when the emitted light from the LED light system is in the first temperature range and when the emitted light from the LED light system is in the second temperature range; g. wherein the first plurality of LEDs comprises cool white LEDs, and the second plurality of LEDs comprises warm white LEDs; and h. wherein the light emitted from the first LEDs and the light emitted from the second LEDs are each white light containing a color deviation of no more than five points of green. - View Dependent Claims (17, 18)
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16. An LED light system configured for providing broad-spectrum white light suitable for a commercial image recording in a form factor of a fluorescent tube, the LED light system comprising:
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(a) a housing including a support structure in a form of an elongated and narrow surface and having a top side and a bottom side; (b) a plurality of first LEDs mounted on the top side of the support structure and configured to emit broad-spectrum white light within a first predetermined Kelvin temperature range of cool white light; (c) a plurality of second LEDs mounted on the top side of the support structure and configured to emit broad-spectrum white light within a second predetermined Kelvin temperature range of warm white light; (d) circuitry mounted to the support structure including an LED driver circuit and is configured for selectively electronically switching between driving either (i) the first LEDs to provide light within the first predetermined temperature range while the second LEDs are off and (ii) the second LEDs to provide light within the second predetermined temperature range while the first LEDs are off, wherein the first and second temperature ranges are nonoverlapping, and including a printed circuit board mounted to the support structure for carrying electrical power to the LED driver circuit and then to the first and second LEDs; and (e) wherein the support structure fits within a form factor of a fluorescent tube light having no greater than a size T12 having a length of four feet and a diameter of no greater than about one to one and a half inches, wherein the LED light system is configured for receiving input power to be provided to the LED light system to selectively light the first and second LEDs, and wherein the first and second LEDs in a plurality of rows and are equally distributed along the length of the top side of the support structure such that the first LEDs and the second LEDs, whichever are on, evenly emit light along the length of the top side of the support structure, which light is broad-spectrum white light suitable for the commercial image recording both when the emitted light from the LED light system is in the first temperature range of cool white light and when the emitted light from the LED light system is in the second temperature range of warm white light. - View Dependent Claims (19)
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Specification