Abstract:
A bulb structure of an electrodeless lighting system comprises: a bulb body having an interior space receiving a luminous material emitting light by microwave energy; a bulb support portion integrally extending from one side of the bulb body to communicate with the bulb body, supporting the bulb body, connected to a bulb rotating motor at its one end, and having therein a passage through which the luminous material is injected; and a covering portion formed at an inner communicating portion where the bulb body communicates with the bulb support portion so as to hermetically seal the bulb body, thereby improving light distribution characteristics of the electrodeless lighting system.
Abstract:
A resonator of an electrodeless lighting system includes a body part formed in a prescribed shape; a transmission space part formed at one side of the body part and having an antenna of an microwave generator therein; a multi-step type resonating space part formed to be opened at one side, having a section gradually widening toward the opened side, receiving the microwave radiated from the antenna by means of an microwave feeder and resonating the microwave; and a stub formed at a certain height at an inner wall of the multi-step type resonating space part. Since the reflector for reflecting light has the enlarged size and is varied in its form to increase the amount of reflected parallel light, an illumination performance is enhanced. In addition, the impedance matching of the microwave exciting the gas filled in the electrodeless bulb and the resonance frequency are controllable.
Abstract:
An electrodeless lighting system comprises: a resonator communicating with a waveguide for guiding microwave energy generated at a microwave generator, the resonator passing light, in which an electric field is formed by microwave energy; a bulb positioned in the resonator, for generating light by microwave energy by the electric field; and a magnetic field applying means installed around the resonator to improve luminous efficiency of the bulb, for 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 includes: a resonator which is installed at an exit of a wave guide for guiding microwave generated from a magnetron and making light pass and microwave resonate therein; a bulb positioned in the resonator and having a luminous portion filled with a luminous material emitting light by the microwave energy and a shaft portion integrally extended from the luminous portion; a resonance control member disposed inside the resonator and having a height controlled according to a position of the luminous portion of the bulb and the entire length of the resonator so as to make optimum resonance of the microwave; and a reflector positioned around the resonator for reflecting light emitted from the bulb. Accordingly, the electrodeless lighting system can facilitate light distribution for achieving lateral lighting and a wider range of lighting and simultaneously improve lighting efficiency.
Abstract:
A cooling apparatus of a plasma lighting system. The system includes a power supply for supplying a power source; a magnetron for generating electromagnetic wave by the power source from the power supply; a bulb for generating light in accordance with that inert gas is ionized by the electromagnetic wave; and a case unit of a hermetic shape including the magnetron and the power supply therein for cooling heat generated from the magnetron. The plasma lighting system prevents heat of high temperature generated from the magnetron from being transmitted and foreign substance from being introduced.
Abstract:
A resonator of an electrodeless lighting system includes a body part formed in a prescribed shape; a transmission space part formed at one side of the body part and having an antenna of an microwave generator therein; a multi-step type resonating space part formed to be opened at one side, having a section gradually widening toward the opened side, receiving the microwave radiated from the antenna by means of an microwave feeder and resonating the microwave; and a stub formed at a certain height at an inner wall of the multi-step type resonating space part. Since the reflector for reflecting light has the enlarged size and is varied in its form to increase the amount of reflected parallel light, an illumination performance is enhanced. In addition, the impedance matching of the microwave exciting the gas filled in the electrodeless bulb and the resonance frequency are controllable.
Abstract:
A sulfur lamp, is provided, including a power supply that supplies electrical power, a transparent bulb having a space inside that contains sulfur and a plurality of electrodes. Additionally, a portion of each electrode may be inserted into the space and an end of each electrode may be connected to the power supply such that the sulfur is excited by an electric discharge thereby emitting light. A portion of the electrode inserted into the space may be coated with a protective layer to prevent a chemical reaction of between the electrode and the sulfur. Further, the changing of the sulfur (contained in the space of the bulb) into a plasma phase may be accomplished by utilizing the electrodes (not microwaves). Therefore, a need to utilize a magnetron (which is low in energy transfer rate) may be eliminated, thereby increasing a system efficacy and saving a cost of replacing the magnetron.
Abstract:
An electrodeless lighting system includes: a resonator which is installed at an exit of a wave guide for guiding microwave generated from a magnetron and making light pass and microwave resonate therein; a bulb positioned in the resonator and having a luminous portion filled with a luminous material emitting light by the microwave energy and a shaft portion integrally extended from the luminous portion; a resonance control member disposed inside the resonator and having a height controlled according to a position of the luminous portion of the bulb and the entire length of the resonator so as to make optimum resonance of the microwave; and a reflector positioned around the resonator for reflecting light emitted from the bulb. Accordingly, the electrodeless lighting system can facilitate light distribution for achieving lateral lighting and a wider range of lighting and simultaneously improve lighting efficiency.
Abstract:
An improved plasma lighting system is provided which includes a bulb filled with both metal halide and mercury as primary light-emitting materials. By maintaining an operating pressure of the metal halide at between approximately 0.1 and 10 atm, and an operating pressure of the mercury at between approximately 30 and 150 atm, a point source of light characteristic and a spectrum characteristic of the emitted light is improved. Therefore, the plasma lighting system can be applied to an optical system that requires a point source of light, and can maximize lighting efficiency to provide improved overall emission characteristics.
Abstract:
A bulb structure of an electrodeless lighting system comprises: a bulb body having an interior space receiving a luminous material emitting light by microwave energy; a bulb support portion integrally extending from one side of the bulb body to communicate with the bulb body, supporting the bulb body, connected to a bulb rotating motor at its one end, and having therein a passage through which the luminous material is injected; and a covering portion formed at an inner communicating portion where the bulb body communicates with the bulb support portion so as to hermetically seal the bulb body, thereby improving light distribution characteristics of the electrodeless lighting system.