Abstract: An object of the present invention is to provide a defecation panty for pets capable of easily collecting feces of pet dogs and the like outdoors or indoors, wherein the defecation panty for pets of the present invention is used for pets excreting feces with the buttock lowered and includes a bag mounting part detachably provided with a bag and having a guide hole for feces; and a buttock wearing part for wearing the bag mounting part on the buttock.

Abstract: Disclosed is a nitride-based light emitting device using a silicon substrate. The nitride-based light emitting device includes a silicon (Si) substrate, a seed layer for nitride growth formed on the silicon substrate, and a light emitting structure formed on the seed layer and having a plurality of nitride layers stacked therein. The seed layer for nitride growth is comprised of GaN powders, thereby minimizing occurrence of dislocations caused by a difference in lattice constant between a nitride layer and the silicon substrate. A method of manufacturing the same is also disclosed.

Abstract: Disclosed is a nitride-based light emitting device using powders of a material having a Wurtzite lattice structure, such as ZnO powders. The nitride-based light emitting device includes a growth substrate, a lattice buffer layer formed on the growth substrate, and a light emitting structure formed on the lattice buffer layer and having a plurality of nitride layers stacked therein, wherein the lattice buffer layer is formed of powders of a material having a Wurtzite lattice structure. The lattice buffer layer is formed of ZnO powders, thereby minimizing occurrence of dislocations caused by a difference in lattice constant between a nitride layer and the growth substrate during growth of the nitride layer. A method of manufacturing the same is also disclosed.

Abstract: Disclosed is a nitride-based light emitting device having an inverse p-n structure in which a p-type nitride layer is first formed on a growth substrate. The light emitting device includes a growth substrate, a powder type seed layer for nitride growth formed on the growth substrate, a p-type nitride layer formed on the seed layer for nitride growth, a light emitting active layer formed on the p-type nitride layer, and an n-type ZnO layer formed on the light emitting active layer. The p-type nitride layer is first formed on the growth layer and the n-type ZnO layer having a relatively low growth temperature is then formed thereon instead of an n-type nitride layer, thereby providing excellent crystallinity and high brightness. A method of manufacturing the same is also disclosed.

Abstract: Disclosed herein is a method of manufacturing GaN powders using a GaN etching product produced during manufacture of a GaN-based light emitting device. The method includes collecting a GaN etching product produced during etching of the GaN-based light emitting device, cleaning the collected GaN etching product; heating the cleaned GaN etching product to remove indium (In) components from the GaN etching product, and pulverizing the GaN etching product having the indium components removed therefrom into powders. A nitride-based light emitting device using the GaN powders is also disclosed.

Abstract: Disclosed is a nitride-based light emitting device capable of improving crystallinity and brightness. The nitride-based light emitting device includes a growth substrate, a lattice buffer layer formed on the growth substrate, a p-type nitride layer formed on the lattice buffer layer, a light emitting active layer formed on the p-type nitride layer, and an n-type ZnO layer formed on the light emitting active layer. The lattice buffer layer is formed of powders of a material having a Wurtzite lattice structure. The lattice buffer layer is formed of ZnO powders, thereby minimizing generation of dislocations during nitride growth. A method of manufacturing the same is also disclosed.

Abstract: Disclosed is a method of manufacturing a nitride-based light emitting device, in which a patterned lattice buffer layer is formed to minimize dislocation density upon growth of a nitride layer and an air gap is formed to enhance brightness of the light emitting device. The method includes depositing a material having a Wurtzite lattice structure on a substrate to form a deposition layer, forming an etching pattern on a surface of the deposition layer to form a patterned lattice buffer layer, and growing a nitride layer on the patterned lattice buffer layer. During the growth of the nitride layer, the patterned lattice buffer layer is removed to form an air gap at a portion of the nitride layer from which the patterned lattice buffer layer is removed. A nitride-based light emitting device manufactured thereby is also disclosed.

Abstract: Disclosed herein is a method for manufacturing a template. The method includes growing a first nitride layer on a substrate; etching a top surface of the first nitride layer by supplying a chloride-based etching gas thereto; forming a plurality of first voids by growing a second nitride layer on the top surface of the first nitride layer; etching a top surface of the second nitride layer by supplying the etching gas thereto; and forming a plurality of second voids by growing a third nitride layer on the top surface of the second nitride layer. A method for manufacturing a nitride-based semiconductor light emitting device using the template is also disclosed. As a result, stress between lattices and dislocation defects are reduced by a plurality of voids formed in a nitride buffer layer, thereby improving quality of nitride layers grown in a template.

Abstract: Disclosed is a method for manufacturing a template. The method includes growing a first nitride layer containing a Group-III material on a substrate; forming a plurality of etch barriers having different etching characteristics from the first nitride layer on the first nitride layer; forming a pillar-shaped nano structure by etching the first nitride layer in a pattern of the etch barriers using a chloride-based gas; and forming the nitride buffer layer having a plurality of voids formed therein by growing a second nitride layer on top of the nano structure. A method for manufacturing a nitride-based semiconductor light emitting device using the template is also disclosed.

Abstract: A touch screen device allowing blind people to operate objects displayed thereon and an object operating method in the touch screen device are provided. The touch screen device includes a touch sensing unit generating key values corresponding to touched ‘touch position's of a virtual keyboard for controlling application software being executed, the number of touches and touch time and transmitting the key values to the application software when sensing touches of the virtual keyboard while the virtual keyboard is activated, an object determination unit reading text information of a focused object using hooking mechanism when the application software is executed based on the key values received from the touch sensing unit and the object among objects included in the application software is focused, and a speech synthesis unit converting the text information read by the object determination unit into speech data using a text-to-speech engine and outputting the speech data.

Abstract: A plasma texturing apparatus for a solar cell includes a susceptor having engagement projections to prevent a wafer mounted therein from slipping outward or fluctuating back and forth when aligning the wafer over a cathode for plasma texturing; a focus ring functioning to confine plasma when conducting a plasma texturing process; and a clamp placed on an inner surface of the focus ring in such a way as to have a downward slope, and having one end which is coupled to the focus ring and the other end which faces away from the one end, is formed to be pointed and functions to squeeze and support peripheral portions of the wafer.

Abstract: Disclosed is a system for providing a moblog-based regional community service through a mobile terminal. The system includes a location-based community server for setting a plurality of main arenas by dividing a geographical area in a regional unit, setting and storing one or more virtual spatial locations, the one or more virtual spatial locations being a projection of real spatial public locations, as spots in one of the main arenas, receiving information on posts registered in spots transmitted through a mobile terminal by providing one or more pieces of information on the spots belonging to the main arena from information on a location of the mobile terminal to the mobile terminal, and storing the received information on posts with a link with the spots.

Abstract: Disclosed is a location-based community service provision system for setting a plurality of main arenas by dividing a geographical area in a regional unit, setting and storing one or more virtual spatial locations, the one or more virtual spatial locations being a projection of real spatial public locations, as spots in one of the main arenas, receiving information on posts registered in spots transmitted through a mobile terminal by providing one or more pieces of information on the spots belonging to the main arena from information on a location of the mobile terminal to the mobile terminal, and storing the received information on posts with a link with the spots.

Abstract: A bio-signal detection device and a method of managing the health of a user is used with a health management system. The device includes a main body having palm support portions formed on the top of both sides thereof, a sensing unit formed on at least one of the palm support portions to detect a bio-signal of a user and including electrodes, and an operation unit receiving a signal from the sensing unit to operate. The method includes maintaining a first and second database including inquiry information and information on the normal physical condition of a user; comparing a measured present physical condition with the normal physical condition and detecting a changed item associated with the physical condition of the user; outputting lifestyle inquiry information associated with the detected changed item; receiving a reply to the outputted lifestyle inquiry information; analyzing a health condition of the user; and reporting health condition information.

Abstract: A wireless television system and a video display method thereof are disclosed. Data stored in a portable memory can be directly read through the use of a memory reader additionally provided in a data transmission unit of the wireless television system, and then transmitted wirelessly to a video display unit of the system. Any one of the data of the portable memory read by the memory reader of the data transmission unit and an A/V signal inputted through a cable or antenna can be more efficiently selected according to the user's desire and then displayed on the screen of the video display unit. Therefore, the user can simply and conveniently view the data stored in the portable memory using the wireless television system without connecting the portable memory to a PC or notebook computer. Further, the user can conveniently select moving image or still image data stored in the portable memory, resulting in a significant improvement in convenience of use.

Abstract: Provided is a photodetector in which a transparent nonconductive material having an interface charge and a trapped charge is deposited on a semiconductor surface so as to form a depletion region on the surface of the semiconductor, and the depletion region is employed as an optical detecting region, thereby not only improving detection with respect to light having a wavelength of ultraviolet and blue ranges but also filtering light having a wavelength of visible and infrared ranges, and in which a fabricating process thereof is compatible with a universal silicon CMOS process.