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Hyun-Jun
Hyun Jun Cho, Namyangju-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100167458 | Thin film type solar cell and method for manufacturing the same - A thin film type solar cell and a method for manufacturing the same is disclosed, which is capable of providing a wide light-transmission area without lowering cell efficiency and increasing processing time, so that the solar cell can be used as a substitute for a glass window in a building. The thin film type solar cell generally comprises a substrate; a plurality of front electrodes at fixed intervals on the substrate; a plurality of semiconductor layers at fixed intervals with a contact portion or separating channel interposed in-between, the plurality of semiconductor layers on the plurality of front electrodes; and a plurality of rear electrodes at fixed intervals by the each separating channel interposed in-between, the each rear electrode being electrically connected with the each front electrode; wherein the each rear electrode is patterned in such a way that a light-transmitting portion is included in a predetermined portion of the rear electrode. | 07-01-2010 |
Hyun Jun Kim, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20090161106 | Wafer lens aligning method and wafer lens manufactured by the same - Provided is a wafer lens aligning method including the steps of: preparing a lens mold that has a lens forming portion formed in the central portion thereof and a groove formed around the lens forming portion; preparing a wafer that has two or more position recognition patterns formed at arbitrary positions thereof and a plurality of minute patterns formed in array at lens formation positions; loading the wafer, searching the position recognition patterns, and setting a coordinate system; causing the coordinate system of the wafer to coincide with the coordinate system of the lens mold; causing the center among the minute patterns formed on the wafer to coincide with the center of the lens mold so as to align the wafer with the lens mold; and forming a master lens in the lens formation positions arranged on the wafer. | 06-25-2009 |
| 20100285784 | METHOD FOR TRANSMITTING A HAPTIC FUNCTION IN A MOBILE COMMUNICATION SYSTEM - Disclosed is a method and system for transmitting a haptic function within a communication system. The method includes: inserting, by a first mobile terminal, haptic information corresponding to a selected vibration into a call setup request message and transmitting the call setup request message to a network server when a haptic service is executed; analyzing, by the network server, the haptic information, generating a vibration code corresponding to the haptic information, inserting the vibration code into the call setup request message, and transmitting the call setup request message to at least one second mobile terminal; and executing, by the second mobile terminal, a corresponding haptic function according to the vibration code included in the call setup request message when receiving the call setup request message. | 11-11-2010 |
Hyun Jun Kim, Gyunggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20120007813 | TOUCH SCREEN - Disclosed herein is a touch screen, including: a base member; a plurality of electrode patterns formed on one surface of the base member, having a first directionality; electrode wirings connected to both ends of the electrode patterns; and a controller that is connected to the electrode wirings, measures the change in resistance of the electrode pattern to update reference voltage variation value, and measures charging/discharging characteristics generated from the electrode pattern when an outside touch is generated to calculate coordinate information on a touched point. | 01-12-2012 |
Hyun Jun Kim, Suwon KR
| Patent application number | Description | Published |
|---|---|---|
| 20080217639 | Photonic crystal light emitting device using photon-recycling - A photonic crystal light emitting device including: a light emitting diode (LED) light emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer interposed between the first and second conductive semiconductor layers; and a first photon-recycling light emitting layer formed on one surface of the first conductive semiconductor layer, opposite to the active layer, wherein the first photon-recycling light emitting layer absorbs a primary light emitted from the LED light emitting structure and emits a light having a different wavelength from that of the primary light, and a photonic crystal structure is formed on an entire thickness of the first photon-recycling light emitting layer. | 09-11-2008 |
| 20090087141 | Optical coupler - An optical coupler including: a substrate; a cladding layer formed on the substrate; and a slab waveguide formed on the cladding layer, wherein the slab waveguide comprises a first waveguide area on which a laser beam is incident and a second waveguide area having an incident surface capable of converging and outputting the laser beam passing through the first waveguide in a width direction. The optical coupler may optically couple one of an optical fiber and a laser diode with the slab waveguide, and more particularly, and a photonic crystal waveguide, with high efficiency. | 04-02-2009 |
| 20110304578 | TOUCH PANEL - Disclosed herein is a touch panel | 12-15-2011 |
| 20110308159 | Apparatus for detecting coordinates, and display device, security device, and electronic blackboard including the same - There are provided an apparatus for detecting coordinates, which may detect coordinates corresponding to an event occurring within a region of interest, and a display device, a security device, and an electronic blackboard, each including the same. The apparatus for detecting coordinates, which is provided in at least one side of a touch panel having a preset region of interest being surrounded by a frame having a predetermined length, the apparatus comprising: a light source body providing preset light; a scanner emitting the light provided from the light source body at a preset angle to scan the region of interest, and receiving light reflected by the region of interest; a photo diode receiving reflected light to convert the received reflected light to a voltage value; and a beam splitter transmitting the light provided from the light source body to the scanner via a first path, and transmitting, to the photo diode via a second path, the reflected light received from the scanner. | 12-22-2011 |
| 20110315957 | LIGHT EMITTING DEVICE - There is provided a light emitting device of a simpler structure, capable of ensuring a broad light emitting area and a high light emitting efficiency, while manufactured in a simplified and economically efficient process. The light emitting device including: a semiconductor layer; an active layer formed on the semiconductor layer, the active layer comprising at least one of a quantum well structure, a quantum dot and a quantum line; an insulating layer formed on the active layer; and a metal layer formed on the insulating layer. | 12-29-2011 |
Hyun-Jun An, Suwon KR
| Patent application number | Description | Published |
|---|---|---|
| 20090061928 | MOBILE TERMINAL - An input device for reducing an erroneous operation and a mobile terminal having the same are disclosed. The input device includes: a first manipulating unit that has a plurality of movement directions based on a reference position and performing an input operation corresponding to each movement direction; a second manipulating unit disposed around the first manipulating unit and inputting information in a touch (tactile) manner; and an erroneous input detecting unit, which is installed to allow detection of user touches between the first and second manipulating units, can distinguish user inputs that were not intended to be made on the second manipulating unit, by comparing the signals generated when the second manipulating unit is actually operated and the signals generated by erroneous touches made adjacent to the second manipulating unit. | 03-05-2009 |
Hyun-Jun Cho, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100228042 | METHOD AND APPARATUS FOR PREPARING FATTY ACID ALKYL ESTER USING FATTY ACID - A method and an apparatus for preparing fatty acid alkyl ester for bio-diesels are disclosed, wherein fatty acid, specifically fatty acid distillate reacts with alcohol, without a catalyst. The method does not require the purification process of the catalyst and glycerin, and has the superior conversion ratio of fatty acid. The method for preparing fatty acid alkyl ester for bio-diesel fuels comprises the step of esterifying fatty acid raw material with alcohol, under a temperature of 200 to 35O0 C and a pressure of atmospheric pressure to 10 bar. The apparatus for preparing fatty acid alkyl ester for bio-diesel fuels, comprises: the first reactor for esterifying fatty acid raw material with alcohol under a temperature of 2000 C to 35O0 C and a pressure of atmospheric pressure to 10 bar and for converting 80 to 90% of total fatty acid into fatty acid alkyl ester; and the second reactor for converting remaining fatty acid unconverted at the first reactor into fatty | 09-09-2010 |
| 20110028747 | METHOD FOR PREPARING FATTY ACID ALKYL ESTER USING FATTY ACID - A method for preparing fatty acid alkyl ester for bio-diesels is disclosed, wherein fatty acid, specifically fatty acid distillate reacts with alcohol in the presence of metal catalyst instead of conventional acid or solid acid catalyst. The method does not require the glycerin purification process, and has the superior conversion ratio of fatty acid. The method for preparing fatty acid alkyl ester comprises the step of carrying out an esterification reaction of fatty acid raw material with alcohol in the presence of metal catalyst. Preferably, the esterification reaction is carried out at the temperature of 200 to 350° C. and the pressure of atmospheric pressure to 10 bar, and the metal catalyst is a compound containing metal selected from the group consisting of cobalt, iron, manganese, zinc, titanium and mixture thereof. | 02-03-2011 |
| 20110218355 | METHOD AND APPARATUS FOR PREPARING ALKYL ESTER FATTY ACID USING FATTY ACID - A method for preparing fatty acid alkyl ester for bio-diesel fuel is disclosed, wherein fatty acid, specifically fatty acid distillate reacts with alcohol. The method does not require the glycerin purification process, and has the superior conversion ratio of fatty acid. The method for preparing fatty acid alkyl ester for bio-diesel fuel comprises the step of carrying out a counter current type esterification reaction of fatty acid and alcohol in each tray of a counter current column reactor at a temperature of 200 to 350 and a pressure of 1 to 35 bar. Here the raw material of the fatty acid is fed to an upper part of the counter current column reactor and the alcohol is fed to a lower part of the counter current column reactor. The counter current column reactor has a number of trays which are installed horizontally to have a number of vertical compartments. Each of the number of trays has an opening part at one end thereof to communicate one compartment with an adjoining compartment. The opening parts of two adjoining trays are alternately installed with each other. | 09-08-2011 |
Hyun-Jun Choi, Yongin-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110281180 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Embodiments of the present invention are directed to negative active materials for lithium rechargeable batteries and to lithium rechargeable batteries including the negative active materials. The negative active material includes a crystalline carbon material having pores, and amorphous conductive nanoparticles in the pores, on the surface of the crystalline carbon, or both in the pores and on the surface of the crystalline carbon. The conductive nanoparticles have a FWHM of about 0.35 degrees (°) or greater at the crystal plane that produces the highest peak as measured by X-ray diffraction. | 11-17-2011 |
Hyun-Jun Choi, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20080310061 | Transistor with EOS protection and ESD protection circuit including the same - A transistor with an electrical overstress (EOS) protection may include an active region, a plurality of impurity regions and a conduction pattern. The active region may be formed in a substrate. The impurity regions may be formed in the active region and arranged at a predetermined or given distance with respect to each other. The conduction pattern may be arranged between each of the impurity regions in a meandering shape, and the conduction pattern may include a center portion connected to a ground terminal. Therefore, a transistor with EOS protection, a clamp device, and an ESD protection circuit including the same may increase an on-time of a clamp device and may sufficiently discharge a charge due to the EOS by including a conduction pattern configured with gates that are connected with respect to each other in a meandering shape. | 12-18-2008 |
Hyun-Jun Jang, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20100265475 | FOCUS CONTROL DEVICE FOR BEAM PROJECTOR - A focus control device for a beam projector allows the focus of a lens assembly to be finely and easily controlled. The focus control device includes: a control member rotatably mounted on the beam projector for controlling the focus of a lens assembly; a rotary eccentric member provided in the control member, the rotary eccentric member having a control axis eccentric to the rotary axis of the control member, and being rotated while depicting an elliptical trace in response to the rotation of the control member; a focus guide member provided in the rotary eccentric member, the focus guide member allowing the lens assembly to be moved rectilinearly in the direction of an optical axis in response to the rotation of the control member; and an actuating member provided in the lens assembly and coupled to the focus guide member, the actuating member moving the lens assembly in the direction of the optical axis in response to the movement of the focus guide member. According to the present invention, with the rotation of the rotary dial, the moving distance of the lens assembly can be easily controlled, and the lens assembly can be moved finely to project a sharp picture image. | 10-21-2010 |
Hyun-Jun Kang, Gyeonggi-Do KR
| Patent application number | Description | Published |
|---|---|---|
| 20080212958 | Protecting Apparatus for Small Image Photographing Devices - Disclosed herein is a camera protection apparatus for preventing foreign matters from entering a camera. The protection apparatus includes a shield frame installed frontward of the camera lens and having a sliding space for opening the front side of the lens. A blade is slidably installed in the sliding space to open and close front side of the lens. The blade is formed with a protrusion. A rotary lever is rotatably coupled with the shield frame. The rotary lever has a central opening formed at the rotational center thereof for opening the front side of the lens. The rotary lever has a cam groove formed so as to be engaged with the protrusion such that rotation of the rotary lever causes the protrusion to move to open and close the blade. The camera protection apparatus exposes the camera when it is to be used, and otherwise to close the camera opening. Thus, foreign matters can be prevented from entering the camera. | 09-04-2008 |
Hyun-Jun Lim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100165891 | LOCAL SIGNAL GENERATOR FOR WIRELESS TELECOMMUNICATION AND LOCAL SIGNAL GENERATION METHOD AND RADIO ACCESS SYSTEM OF WIRELESS TELECOMMUNICATION SYSTEM USING THE SAME - Disclosed is an apparatus and a method for generating a local signal and a Radio Access Station (RAS) using the same in a wireless telecommunication system. The apparatus includes: an Intermediate Frequency (IF) local unit for generating an IF local signal; and a Radio Frequency (RF) local unit for generating an RF local signal, wherein the IF local unit comprises: a first frequency synthesizer for generating the IF local signal; and a first distributor for distributing the IF local signal into an IF local signal for transmission and an IF local signal for reception, and wherein the RF local unit comprises: a second frequency synthesizer for generating the RF local signal; and a switch for distinguishing the RF signal into an RF local signal for transmission and an RF local signal for reception, and switching the RF local signal for transmission to a transmission path and the RF local signal for reception to a receive path. An optimized circuit configuration is provided so that the local signals for transmission/reception can be generated by a single frequency synthesizer, and the distributor is used instead of the switch in generating the IF local signals for transmission/reception, so that spurious emissions due to the operation of the switch are prevented from occurring, and the characteristic of phase noise can be improved. | 07-01-2010 |
Hyun-Jun Yoo, Suwon-City KR
| Patent application number | Description | Published |
|---|---|---|
| 20100097089 | Test Handler and Loading Method Thereof - When a test handler loads semiconductor devices of user trays onto a test tray, the test handler adjusts a front/rear pitch or a right/left pitch between the semiconductor devices, adjusts the right/left pitch or the front/rear pitch, and loads the semiconductor devices. The test handler can sequentially adjust individually the front/rear pitch and the right/left pitch between the semiconductor devices, thereby reducing the apparatus weight and the loading time. | 04-22-2010 |