Abstract: An electrodeless lighting system, including a waveguide having an outlet which is installed being protruded from the inside of a casing to the outside of the casing, for transmitting a microwave generated in the magnetron, a resonator fixed at the outer side of the outlet of the waveguide, for forming a resonant region in which the microwave is resonated, a bulb for generating light as plasma is generated by an electric field which is formed inside the resonator and a lighting promoting means positioned inside the bulb, for concentrating the electric field so that light is rapidly emitted when the microwave is applied, can achieve convenience of a user and increase reliability of lighting as the bulb rapidly emits light.

Abstract: A metal halogen electrodeless illumination lamp including a microwave generator coupled via a coupling means with a microwave cavity which contains a discharge bulb, and a microwave screen its function being performed by some part of the microwave cavity walls, which is transparent to optical radiation The discharge bulb contains a fill mixture of metal halogens, such as Bi halide, a mixture of Sn and Al and a mixture of their compounds, which emits visible optical radiation featuring a molecular spectrum.

Abstract: An electrodeless lighting system comprising: a case; a waveguide, in which an exit is exposed out of the case, installed in the case for transmitting the microwave generated in a magnetron; a bulb located outside of the exit of the waveguide and emitting light as generating plasma by the microwave transmitted through the waveguide; a protecting member fixed on the exit of the waveguide around a boundary portion of the bulb for making a resonating area in which the microwave is resonated, and formed to endure the heat generated from the bulb; and a resonator connected to the protecting member on front side of the bulb and having a reticular portion so as to prevent the leakage of the microwave and pass the light generated from the bulb, and thereby, discoloring or burning of a mesh portion of the resonator by the high temperature generated from the bulb can be prevented and therefore the leakage of the microwave in the resonating area, accordingly stability of the lighting system can be improved and life span

Abstract: A bulb in an electrodeless lamp system comprises: a bulb unit having an envelope space in which luminous material excited by 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: 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: A bulb for an electrodeless lamp comprises: an envelope through which the light can be permeated; a filled material filled in the envelope for emitting the light as being excited by high frequency energy; and buffer gas, wherein the buffer gas comprises first buffer gas, and second buffer gas having a partial pressure less than 1% of the partial pressure of the first buffer gas in order to reduce a discharging voltage and lighting time, and thereby, the re-lighting after putting out the light can be performed easily and the re-lighting time is reduced to improve the convenience of the user and the reliability of electrodeless lamp.

Abstract: An electrodeless lamp is disclosed. The electrodeless lamp according to the present invention is characterized in that SnI2 is used as a major component filled into a bulb as a filler, and the filler is excited by applying a microwave or high frequency to the bulb for thereby generating a visual ray for thereby obtaining a certain color temperature proper as a light source and implementing a faster light emission start-up at a lower cost without an additive.

Abstract: The present invention relates to a light guide capable of transferring light from an illuminating apparatus to a certain distant destination. The light guide includes a light source, and a hollow guide unit extended from the light source and having a transparent lateral surface. The present invention provides a pipe shaped light guide having a cross section of an epicycloidal curve for enhancing power and a light emitting characteristic. In the present invention, light is transmitted using a light transmitting material or a prism at a portion of a cross section of the epicycloidal curve, and a reflection plate formed of a high reflection ratio is installed at the remaining portions of the cross section of the same. In addition, an expensive lens or prism is not used in the present invention thereby decreasing fabrication cost. It is possible to provide a high efficiency light guide.

Abstract: A resonator for use in microwave lighting apparatus includes a mesh portion formed in a cylindrical shape with one side opened, at least one portion of which prevents microwave transmitted through a waveguide from leaking and light radiated from a light bulb is transmitted outwardly, the mesh portion being formed integral without a joint. Since the portion of the mesh structure is integrally formed as one body without a joint rather than being welded to be coupled, the microwave is prevented from leaking. In addition, since the holes of the mesh portion are uniformly formed without any clogged portion, the light transmittance area is enlarged, improving the light efficiency of the lighting apparatus.

Abstract: A coupling structure of a waveguide and an applicator including: an electromagnetic wave generator; a waveguide for transmitting an electromagnetic wave generated by the electromagnetic wave generator; and an applicator for receiving the electromagnetic wave through the waveguide and transmitting it to a lamp bulb, wherein the wall of the waveguide and the applicator are partially or wholly held in common, on which at least two slots are formed, so that when the electromagnetic wave reflecting from the applicator is directed to the waveguide, it does not go back toward the electromagnetic wave generator. According to the coupling structure of a waveguide and an applicator of the present invention, variation of the load does not affect the electromagnetic wave generator, without requiring expensive devices such as a waveguide tuner or a circulator, so that the life of the electromagnetic wave generator is increased and the system is stably operated all the time.

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: An electrodeless lighting system, including a waveguide having an outlet which is installed being protruded from the inside of a casing to the outside of the casing, for transmitting a microwave generated in the magnetron, a resonator fixed at the outer side of the outlet of the waveguide, for forming a resonant region in which the microwave is resonated, a bulb for generating light as plasma is generated by an electric field which is formed inside the resonator and a lighting promoting means positioned inside the bulb, for concentrating the electric field so that light is rapidly emitted when the microwave is applied, can achieve convenience of a user and increase reliability of lighting as the bulb rapidly emits light.

Abstract: An electrodeless lighting system which is emitting light using microwave generated in a magnetron comprises: a main case including a waveguide through which microwave is transmitted, a resonator coupled to an exit of the waveguide, and a bulb located in the resonator; a subsidiary case including a magnetron generating the microwave, and a high voltage generator for providing the magnetron with high voltage; and a microwave transmission cable connected from the magnetron to the waveguide for transmitting the microwave, whereby the emitting portion can be minimized by separating components which are not really needed for emitting, and lowering of performance and damage of the bulb or the resonator by infiltration of impurities such as dust can be prevented.

Abstract: An electrodeless lighting system comprising: a case; a waveguide, in which an exit is exposed out of the case, installed in the case for transmitting the microwave generated in a magnetron; a bulb located outside of the exit of the waveguide and emitting light as generating plasma by the microwave transmitted through the waveguide; a protecting member fixed on the exit of the waveguide around a boundary portion of the bulb for making a resonating area in which the microwave is resonated, and formed to endure the heat generated from the bulb; and a resonator connected to the protecting member on front side of the bulb and having a reticular portion so as to prevent the leakage of the microwave and pass the light generated from the bulb, and thereby, discoloring or burning of a mesh portion of the resonator by the high temperature generated from the bulb can be prevented and therefore the leakage of the microwave in the resonating area, accordingly stability of the lighting system can be improved and life span

Abstract: In an electrodeless discharge lamp using microwave energy, an electrodeless discharge lamp using microwave energy includes a resonator having an opening portion at the side and forming a resonance region at which microwave energy is resonated, a magnetron having an antenna in order to output microwave energy, a coaxial wave guide installed to the other side of the resonator, transmitting microwave energy from the magnetron to the resonator and having an internal guide extended in the projecting direction of the antenna of the microwave generator, a bulb placed inside the resonator and having enclosed fluorescent materials generating lights by the microwave energy, and a mesh member installed to the opening portion of the resonator, preventing leakage of microwave energy and passing lights generated in the bulb. Accordingly, by reducing a size of a lamp, it can be easily applied to a low-output system required a compact construction such as a projection TV, etc.

Abstract: A resonator using microwave lighting apparatus includes a mesh portion formed in a cylindrical shape with one side opened, at least one portion of which prevents microwave transmitted through a waveguide from leaking and light radiated from a light bulb is transmitted outwardly, the mesh portion being formed integral without a joint. Since the portion of the mesh structure is integrally formed as one body without a joint rather than being welded to be coupled, the microwave is prevented from leaking. In addition, since the holes of the mesh portion are uniformly formed without any clogged portion, the light transmittance area is enlarged, improving the light efficiency of the lighting apparatus.

Abstract: An even heating apparatus for converting microwave energy emitted from a magnetron to a plurality of resonant modes in a heating chamber of a microwave oven for thereby evenly heating the food in the heating chamber includes an antenna array plate including a plurality of antennas therein. The apparatus evenly heats food in the heating chamber by fixing the antenna array plate having multiple antennas therein spaced from the ceiling of the heating chamber.

Abstract: A uniform heating apparatus for a microwave oven and a method thereof which are capable of more uniformly heating food by generating various resonant modes based on the kind of food. The apparatus includes an oscillator unit having a wave guide tube for guiding microwaves generated by a magnetron to a lower portion of a heating chamber formed in a microwave oven main body, a resonant mode conversion unit for converting the microwaves guided to the lower portion of the heating chamber to have various resonant modes, a plurality of sensors for detecting the characteristics of food when the microwaves, the resonant mode of which is converted by the resonant mode conversion unit, are supplied to the food in the heating chamber, and a controller for controlling the oscillator unit and the resonant mode conversion unit in accordance with the characteristics of the food detected by the sensors.