Abstract: The present invention relates to a breast cancer diagnosis device. More particularly, the present invention relates to a breast cancer diagnosis device for early detection of the presence or absence of breast cancer lesions inside the breast of a diagnosis subject. The breast cancer diagnosis device includes: an X-ray diagnosis unit generating an X-ray image of a diagnosis subject; an optical diagnosis unit generating an optical transmission image of the diagnosis subject; and a transfer unit which is coupled to the X-ray diagnosis unit and the optical diagnosis unit to transfer all or part of the X-ray diagnosis unit and the optical diagnosis unit, and sequentially transfer all or part of the X-ray diagnosis unit or the optical diagnosis unit toward the diagnosis subject.

Abstract: The present invention relates to a breast cancer diagnosis device. More particularly, the present invention relates to a breast cancer diagnosis device for early detection of the presence or absence of breast cancer lesions inside the breast of a diagnosis subject. The breast cancer diagnosis device includes: an X-ray diagnosis unit generating an X-ray image of a diagnosis subject; an optical diagnosis unit generating an optical transmission image of the diagnosis subject; and a transfer unit which is coupled to the X-ray diagnosis unit and the optical diagnosis unit to transfer all or part of the X-ray diagnosis unit and the optical diagnosis unit, and sequentially transfer all or part of the X-ray diagnosis unit or the optical diagnosis unit toward the diagnosis subject.

Abstract: A heat radiation structure for a portable micro projector that enables efficient radiation of heat generated therein. A projector module irradiates light of high intensity using a lamp to project an image to an external screen. A thermally conductive plate having a plate-like shape, the projector module being attached to one surface of the thermally conductive plate to transfer heat generated in the projector module. A heat radiation case to which the thermally conductive plate to which the projector module is attached is coupled therein to emit the heat transferred through the thermally conductive plate outside.

Abstract: A radiation structure of a mobile communication terminal having a projector which rapidly dissipates heat generated from the projector and other elements built into the terminal. The mobile communication terminal includes a projector implementing an image-projection function, and a projector cover, which is composed of a heat conductive material such that at least one inner surface thereof is brought into close contact with the projector so as to dissipate heat generated from the projector to the outside of the terminal.

Abstract: A heat radiating structure for an electronic module and an electronic device having the same structure thereon. The heat radiating structure is formed at the bottom of the electronic module to release the generated heat from the electronic module, and includes an impact absorber, which absorbs impact transferred from the outside. A heat radiating sheet is formed with a plurality of the multi-layered heat conductive sheets and is in contact with the bottom of the electronic module by covering the outside of the impact absorber.

Abstract: A heat radiating structure for an electronic module and an electronic device having the same structure thereon. The heat radiating structure is formed at the bottom of the electronic module to release the generated heat from the electronic module, and includes an impact absorber, which absorbs impact transferred from the outside. A heat radiating sheet is formed with a plurality of the multi-layered heat conductive sheets and is in contact with the bottom of the electronic module by covering the outside of the impact absorber.

Abstract: A heat radiation structure for a portable micro projector that enables efficient radiation of heat generated therein. A projector module irradiates light of high intensity using a lamp to project an image to an external screen. A thermally conductive plate having a plate-like shape, the projector module being attached to one surface of the thermally conductive plate to transfer heat generated in the projector module. A heat radiation case to which the thermally conductive plate to which the projector module is attached is coupled therein to emit the heat transferred through the thermally conductive plate outside.

Abstract: A radiation structure of a mobile communication terminal having a projector which rapidly dissipates heat generated from the projector and other elements built into the terminal. The mobile communication terminal includes a projector implementing an image-projection function, and a projector cover, which is composed of a heat conductive material such that at least one inner surface thereof is brought into close contact with the projector so as to dissipate heat generated from the projector to the outside of the terminal.

Abstract: A green laser optical package includes a laser light source generating light of an infrared wavelength band, a harmonic wave generator converting an infrared light output from the laser light source into a second harmonic wave so as to output the converted second harmonic wave, and at least one support member attached to side surfaces of the laser light source and the harmonic wave generator.

Abstract: Disclosed is a passive optical network comprising a central office including a plurality of first reflective semiconductor optical amplifiers of a quantum-dot type, each of which generates a wavelength-seeded downstream optical signal on a downstream channel of a corresponding wavelength, a plurality of optical network units each of which includes a second reflective semiconductor optical amplifier of a multi-quantum-well type, the second reflective semiconductor optical amplifier generating a wavelength-seeded upstream optical signal on an upstream channel of a corresponding wavelength and a remote node for outputting the downstream optical signals to corresponding optical network units, and multiplexing and outputting the upstream optical signals to the central office.

Abstract: A light source driving circuit and method is provided. The light source driving circuit includes a light source for outputting light, a light receiving unit for detecting a portion of the light output from the light source, a switching unit for controlling the supply of a source voltage according to an operation control signal, a constant current source for supplying a current corresponding to a threshold current to the light source according to the control of the switching unit, and an automatic power controller for controlling a driving current of the light source in response to an external modulation signal. Accordingly, by supplying a current corresponding to a threshold current of a green laser by means of a switching operation according to an operation control signal for a set time before a modulation signal of the green laser is input, a turn-on delay of the green laser can be reduced.

Abstract: Disclosed is a method of reducing speckles appearing in a laser beam. The method includes the steps of splitting the laser beam into two polarized light modes perpendicular to each other; modifying the phase of at least one of the two polarized light modes, and combining the two polarized light modes into a single laser beam outputted. The method is performed by using an apparatus that includes a light source to generate a laser beam, a polarization split filter to split the laser beam into two polarized light modes perpendicular to each other and then re-combine said two polarized light modes, and a multi-angle reflection mirror to reflect one of the two polarized light modes to the polarization split filter, wherein the polarization split filter is inserted in the multi-angle reflection mirror.

Abstract: A green optical module is disclosed. The module includes a harmonic generator for generating a second harmonic, a laser light source for generating light for pumping the harmonic generator and at least two heat sinks spaced from each other. The harmonic generator and the laser light source are disposed on upper surfaces of the heat sinks, respectively.

Abstract: A light source for wavelength conversion which can control gray scale includes a semiconductor laser including at least two radiators, to which different gray scale levels are allocated. Further included is a second-harmonic generator for performing wavelength conversion on lights radiated from the radiators, and outputting the wave-converted lights.

Abstract: Disclosed is a laser projection display apparatus. The laser projection display apparatus includes a green light source for generating green light having a predetermined wavelength, and a dual light source in which at least two semiconductor lasers are integrated and generate red and blue lights of predetermined wavelengths. The apparatus further includes a means for orienting and collimating the generated lights.

Abstract: Disclosed is a passive optical network comprising a central office including a plurality of first reflective semiconductor optical amplifiers of a quantum-dot type, each of which generates a wavelength-seeded downstream optical signal on a downstream channel of a corresponding wavelength, a plurality of optical network units each of which includes a second reflective semiconductor optical amplifier of a multi-quantum-well type, the second reflective semiconductor optical amplifier generating a wavelength-seeded upstream optical signal on an upstream channel of a corresponding wavelength and a remote node for outputting the downstream optical signals to corresponding optical network units, and multiplexing and outputting the upstream optical signals to the central office.

Abstract: Disclosed are a broadband light source and a method of fabricating the same. The method includes the steps of forming a lower clad on a substrate, forming an active layer having a multiple well structure on the lower clad (so as to generate light having a broad wavelength band), sequentially depositing an upper clad and a cap on the active layer, depositing a cover layer including at least two regions having bandgaps different from each other on the cap, and heat-treating the broadband light source including the cover layer.