Abstract: A slim sound component with a sealing member is provided. The sound component includes: a sound component housing including: a first plate facing toward a first direction; a second plate facing toward a second direction opposite to the first direction; and a third plate facing toward a third direction perpendicular to the first and second directions; a sound generator disposed in the sound component housing to generate a sound in the first direction; a protection member mounted to be exposed through the first plate in the first direction to protect the sound generator; and a sealing member disposed between the sound component housing and the protection member, and the protection member and the sealing member are integrally formed with each other.

Abstract: A slim sound component with a sealing member is provided. The sound component includes: a sound component housing including: a first plate facing toward a first direction; a second plate facing toward a second direction opposite to the first direction; and a third plate facing toward a third direction perpendicular to the first and second directions; a sound generator disposed in the sound component housing to generate a sound in the first direction; a protection member mounted to be exposed through the first plate in the first direction to protect the sound generator; and a sealing member disposed between the sound component housing and the protection member, and the protection member and the sealing member are integrally formed with each other.

Abstract: A resonance device for a speaker is provided. The device includes a speaker unit and a resonance unit. The speaker unit outputs a sound corresponding to a signal. The resonance unit is fixed to the speaker unit to provide a space for allowing a sound to resonate. The resonance unit is flexible, and the space for allowing a sound to resonate is variable.

Abstract: A polarization converting system and a method of manufacturing the same are provided. The polarization converting system includes a polarization splitting unit splitting incident unpolarized light into two orthogonal polarizations and a polarization converting unit converting incident light into specific polarized light. The polarization converting unit has first and second regions that correspond to the polarization splitting unit and are different in a polarization converting extent from each other.

Abstract: A sound reproducing apparatus and a sound reproducing method. The sound reproducing apparatus includes an actual listening environment feature function database where an actual listening space feature function is stored for correcting the virtual source in response to a feature of an actual listening space provided at the time of listening; and an actual listening space feature correcting unit of reading out the actual listening space feature function stored in the actual listening environment feature function database, and correcting the virtual source based on the reading result. Accordingly, causes of each distortion may be removed to provide sounds having the best quality.

Abstract: A resonance device for a speaker is provided. The device includes a speaker unit and a resonance unit. The speaker unit outputs a sound corresponding to a signal. The resonance unit is fixed to the speaker unit to provide a space for allowing a sound to resonate. The resonance unit is flexible, and the space for allowing a sound to resonate is variable.

Abstract: A polarization converting system and a method of manufacturing the same are provided. The polarization converting system includes a polarization splitting unit splitting incident unpolarized light into two orthogonal polarizations and a polarization converting unit converting incident light into specific polarized light. The polarization converting unit has first and second regions that correspond to the polarization splitting unit and are different in a polarization converting extent from each other.

Abstract: A light guide plate having a multi-periodic micro pattern, which can minimize chromatic dispersion, and an illumination apparatus for a display device employing the light guide plate are provided. The light guide plate includes a top surface and a micro pattern formed on the top surface and allowing light, which is incident from a first side surface of the light guide plate, to be emitted from the top surface. The micro pattern is a combination of at least two periodic patterns having different periods to reduce chromatic dispersion of light emitted from the top surface.

Abstract: Provided are a method of manufacturing a laterally crystallized semiconductor layer and a method of manufacturing a thin film transistor (TFT) using the method. The method of manufacturing the laterally crystallized semiconductor layer comprises: forming a semiconductor layer on a substrate; irradiating laser beams on the semiconductor layer; splitting the laser beams using a prism sheet comprising an array of a plurality of prisms, advancing the laser beams toward the semiconductor layer to alternately form first and second areas in the semiconductor layer so as to fully melt the first areas, wherein the laser beams are irradiated onto the first areas, and the laser beams are not irradiated onto the second areas; and inducing the first areas to be laterally crystallized using the second areas as seeds.

Abstract: A sound reproducing apparatus for providing an optimal virtual sound source and a sound reproducing method therefor are provided. The sound reproducing apparatus includes a virtual sound signal generation unit for generating more than one virtual sound signal corresponding to locations and the number of target virtual sound sources on the basis of more than one inputted sound signal, and a virtual sound signal downmix unit for downmixing said more than one virtual sound signal to virtual sound signal outputs corresponding to a predetermined number of output channels. The number and locations of diversely variable virtual sound sources are provided, thereby obtaining an effect of providing an optimal virtual sound source adaptively depending on each different environment.

Abstract: An illumination system for a flat panel display device includes: a light guide plate made of an optically isotropic material; a light source disposed at a side of the light guide plate; an upper layer disposed on a top surface of the light guide plate and made of an optically anisotropic material; and a polarization selection emitting structure which is disposed at an interface of the light guide plate and the upper layer. The upper layer has two different refractive indices and one of the two refractive indices is the same as a refractive index of the light guide plate. In the polarization selection emitting structure differently polarized light is differently refracted, reflected, diffracted, or scattered based on polarization direction.

Abstract: Provided are a method of manufacturing a laterally crystallized semiconductor layer and a method of manufacturing a thin film transistor (TFT) using the method. The method of manufacturing the laterally crystallized semiconductor layer comprises: forming a semiconductor layer on a substrate; irradiating laser beams on the semiconductor layer; splitting the laser beams using a prism sheet comprising an array of a plurality of prisms, advancing the laser beams toward the semiconductor layer to alternately form first and second areas in the semiconductor layer so as to fully melt the first areas, wherein the laser beams are irradiated onto the first areas, and the laser beams are not irradiated onto the second areas; and inducing the first areas to be laterally crystallized using the second areas as seeds.

Abstract: A light guide panel and a back light unit having the same are provided. The light guide panel includes an isotropic layer and an anisotropic layer. The isotropic layer includes an incident light surface, a transmission surface, and a polarization recycling unit, disposed opposite the transmission surface, which changes a polarization direction of light. The isotropic layer has a first refractive index. The anisotropic layer is formed on the transmission surface and includes a selectively transmitting and reflecting surface opposite the transmission surface, which reflects a first portion of incident light and transmits a second portion of incident light. The anisotropic layer has a first refractive index, identical to the first refractive index of the isotropic layer, with respect to light having a first polarization and has a second refractive index, different from the first refractive index with respect to light having a second polarization.

Abstract: A light guide panel and a back light unit having the same are provided. The light guide panel includes an isotropic layer and an anisotropic layer. The isotropic layer includes an incident light surface, a transmission surface, and a polarization recycling unit, disposed opposite the transmission surface, which changes a polarization direction of light. The isotropic layer has a first refractive index. The anisotropic layer is formed on the transmission surface and includes a selectively transmitting and reflecting surface opposite the transmission surface, which reflects a first portion of incident light and transmits a second portion of incident light. The anisotropic layer has a first refractive index, identical to the first refractive index of the isotropic layer, with respect to light having a first polarization and has a second refractive index, different from the first refractive index with respect to light having a second polarization.

Abstract: An illuminator for a flat panel display device is provided. The illuminator includes a light source generating light; a light guide plate that guides and distributes the light generated by the light source and is made of optically isotropic material; a collimator that is disposed between an end of the light guide plate and the light source and guides the light from the light source onto the light guide plate with a predetermined incident angle; a polarization separation layer that is made of optically anisotropic material having two refractive indices and formed on the light guide plate to transmit first polarized light from the light guide plate and reflect second polarized light from the light guide plate; and a beam out-coupling layer that is formed on the polarization separation layer and out-couples the light incident from the polarization separation layer.

Abstract: An illumination system for a flat panel display device includes: a light guide plate made of an optically isotropic material; a light source disposed at a side of the light guide plate; an upper layer disposed on a top surface of the light guide plate and made of an optically anisotropic material; and a polarization selection emitting structure which is disposed at an interface of the light guide plate and the upper layer. The upper layer has two different refractive indices and one of the two refractive indices is the same as a refractive index of the light guide plate. In the polarization selection emitting structure differently polarized light is differently refracted, reflected, diffracted, or scattered based on polarization direction.

Abstract: A polarization converting system and a method of manufacturing the same are provided. The polarization converting system includes a polarization splitting unit splitting incident unpolarized light into two orthogonal polarizations and a polarization converting unit converting incident light into specific polarized light. The polarization converting unit has first and second regions that correspond to the polarization splitting unit and are different in a polarization converting extent from each other.

Abstract: A light guide plate having a multi-periodic micro pattern, which can minimize chromatic dispersion, and an illumination apparatus for a display device employing the light guide plate are provided. The light guide plate includes a top surface and a micro pattern formed on the top surface and allowing light, which is incident from a first side surface of the light guide plate, to be emitted from the top surface. The micro pattern is a combination of at least two periodic patterns having different periods to reduce chromatic dispersion of light emitted from the top surface.

Abstract: A sound reproducing apparatus and a sound reproducing method. The sound reproducing apparatus includes an actual listening environment feature function database where an actual listening space feature function is stored for correcting the virtual source in response to a feature of an actual listening space provided at the time of listening; and an actual listening space feature correcting unit of reading out the actual listening space feature function stored in the actual listening environment feature function database, and correcting the virtual source based on the reading result. Accordingly, causes of each distortion may be removed to provide sounds having the best quality.

Abstract: A sound reproducing apparatus for providing an optimal virtual sound source and a sound reproducing method therefor are provided. The sound reproducing apparatus includes a virtual sound signal generation unit for generating more than one virtual sound signal corresponding to locations and the number of target virtual sound sources on the basis of more than one inputted sound signal, and a virtual sound signal downmix unit for downmixing said more than one virtual sound signal to virtual sound signal outputs corresponding to a predetermined number of output channels. The number and locations of diversely variable virtual sound sources are provided, thereby obtaining an effect of providing an optimal virtual sound source adaptively depending on each different environment.