Abstract:
In an electrodeless lighting system having a cooling unit for cooling a radiator therein, the electrodeless lighting system includes a microwave generating unit for generating microwave energy; a light emitting unit connected to the microwave generating unit and emitting light by forming plasma by the microwave energy generated in the microwave generating unit; a housing having a first receiving space for receiving the microwave generating unit and sealed-combined with the light emitting unit; a heat exchanger installed at the outer surface of the microwave generating unit to absorb heat generated in the microwave generating unit; a radiator installed at the outer surface of the housing; and a heat transfer member at which one end is connected to the heat exchanger and the other end is connected to the radiator by penetrating the housing to transmit heat from the heat exchanger to the radiator.
Abstract:
A high temperature operation type electrodeless bulb of a plasma lighting system includes: a luminous unit defining a space for enclosing luminous materials, and made of glass having selective permeability that transmits visible light generated from the luminous unit and reflects infrared rays to the interior; and a supporting unit extending from the luminous unit to have a particular length and supporting the luminous unit.
Abstract:
A bulb in an electrodeless lamp system comprises a bulb unit having an envelope space in which luminous material excited by an electric field to form plasma and generate light is filled and two or more conductors installed in the envelope space so that ends of the conductors face each other.
Abstract:
In an electrodeless lamp system, an electrodeless lamp system in accordance with the present invention includes an electromagnetic wave generating unit for generating electromagnetic wave; a resonance unit connected to the electromagnetic wave generating unit for resonating the electromagnetic wave generated in the electromagnetic wave generating unit in a certain frequency; and a luminous unit connected to the resonance unit in order to generate light by forming plasma by an electric filed formed in the resonance unit; wherein the resonance unit includes a first resonance unit connected to the electromagnetic wave generating unit and a second resonance unit vertically connected to the first resonance unit, connected to the luminous unit and forming a resonance space for resonating in a certain frequency with the first resonance unit.
Abstract:
Disclosed is an electrodeless lighting system capable of being used as an optical source of an electronic device by being minimized and capable of obtaining an optimum impedance matching and controlling a resonance frequency. The electrodeless lighting system comprises: a magnetron for generating microwave and having an antenna through which the microwave is outputted; a resonator having a resonance space where the microwave is resonated and having an inner diameter partially different along a path that the microwave passes; a bulb installed inside the resonator and having a light emitting material therein for emitting light by the microwave energy; and a microwave feeder of which one side is connected to the antenna and another side thereof is connected to the bulb, for guiding microwave to the bulb, in which a ratio of an outer diameter of the microwave feeder and a ratio of an inner diameter of the resonator corresponding to the outer diameter of the microwave feeder are varied along a progressive direction of the microwave.
Abstract:
Disclosed is an electrodeless lamp system, including a microwave generator generating microwaves, a microwave resonator including a cavity coupled with the microwave generator and an LC resonance circuit constituted with an inductor and a capacitor so as to make the microwaves trapped inside the cavity to resonate with the LC resonance circuit, and a light-emitting unit coupled with the cavity to form plasma by the resonating microwaves so as to emit light.
Abstract:
An electrodeless lighting system includes a resonator which passes light. The resonator communicates with a waveguide which guides microwave energy generated by a microwave generator. The microwave energy forms an electric field in the resonator. The electrodeless lighting system further includes a bulb, positioned in the resonator, that generates light from the electric field, a first coil which is wound around an outer circumferential surface of the resonator, and a second coil which is wound around the outer circumferential surface of the resonator. The bulb is disposed between the first coil and the second coil, with the first coil and the second coil forming a magnetic field around the bulb. Accordingly, initial lighting can be more easily achieved, and if the intensity of the magnetic field is properly controlled, the total quantity of light is increased, thereby improving luminous efficiency of the bulb.
Abstract:
An electrodeless lighting system comprises: a first case in which a microwave generator, a waveguide for guiding microwave energy and a luminous part communicating with the waveguide, for emitting light by the microwave energy are installed, wherein one side of the first case is opened so that light from the luminous part is emitted to the outside; a second case coupled to the first case to open or close the opened one side of the first case and configured to pass the light from the luminous part; and a third case positioned at one outer side of the first case, in which a high voltage generator for supplying a high voltage to the microwave generator is installed. Accordingly, in the electrodeless lighting system, lateral lighting can be made like a streetlight, heat generating components and lighting components can be installed at separated spaces, respectively, and the generated heat can be smoothly emitted to the outside.
Abstract:
Disclosed is a bulb of an electrodeless lighting system, comprising: a resonator communicated with a waveguide which guides microwave energy generated in a microwave generator, for allowing light to pass therethrough and resonating the microwave energy therein; and a bulb placed in the resonator, for emitting light by exciting a light emitting material therein depending on the microwave energy, wherein the light emitting material is composed of a sulfur and an additive combined with the sulfur for varying a correlated color temperature during emission, thereby capable of varying the correlated color temperature of the light emitted from the bulb up to 6000K˜2500K with a high efficiency.
Abstract:
An electrodeless lighting system includes: a waveguide for guiding microwave energy generated from a microwave generator; and a resonator formed in a mesh structure allowing the microwave energy having passed the waveguide to resonate therein and passing light, and having around the bulb a microwave leakage preventing portion having a relatively low perforation ratio per unit area so that microwave energy is concentrated on the bulb positioned therein. Accordingly, leakage of microwaves is minimized and luminous efficiency is improved.