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Jeon, Daegu
Byung-Kyu Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20120057948 | RIVET BOLT - A rivet bolt, which connects a plurality of connection members by rivet joints, is disclosed. The rivet bolt includes a retainer including a connection hole formed through a flange part and provided with a screw part, flat parts and inclined parts alternately arranged around the connection hole in the diagonal direction, and fastening pieces formed at the lower portion of the flange part by cutting, curved projections being formed at lower ends of the fastening pieces, and a bolt including a plurality of elevating pieces protruded from the lower surface of a bolt head so as to be inserted into the retainer, a screw thread formed at the upper end of a bolt body, a plurality of protruding pieces formed at the lower end of the bolt body at designated intervals, and a downwardly inclined extension part and an anti-separation piece formed at the lower portion of the bolt body. | 03-08-2012 |
Chang Min Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20110263202 | BLUETOOTH COMMUNICATION METHOD AND SYSTEM - A Bluetooth communication method and system allows a Bluetooth device to rapidly establish a Bluetooth connection. A first Bluetooth device that is in a client mode displays a visual representation of its ID on a display unit. A second Bluetooth device that is in a host mode acquires the displayed visual representation of the ID of the first Bluetooth device via a camera module and extracts the ID of the first Bluetooth device. The second Bluetooth device transmits a Bluetooth communication-connection-request signal to the first Bluetooth device using the extracted ID. The first Bluetooth device transmits a replay signal responding to the Bluetooth communication-connection-request signal to the second Bluetooth device. The second Bluetooth device receives the reply signal and establishes a Bluetooth communication channel with the first Bluetooth device. | 10-27-2011 |
Da Hae Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20120124784 | HOSE CLAMP - The hose clamp includes a clamp body formed by bending a resilient plate-shaped member of a stainless steel material, a fastening screw having a head and coupled with a fastening housing which is secured to one end of the clamp body, and a plurality of screw holes formed inwards at the other end of the clamp body to be engaged with the fastening screw, and a compensation bead integrally formed with the clamp body for restraining and firmly fastening the hose in an amount being reduced as the diameter of the hose is decreased due to long-term use, wherein the compensation bead further includes a plastic deformation prevention means, to prevent the compensation bead from not being restored to its original state due to loss of its elasticity by a plastic deformation. | 05-24-2012 |
Jae Seok Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20100050693 | METHOD FOR PRODUCED LEAD-FREE CRYSTAL ICE, AND METHOD FOR MANUFACTURING DECORATIVE PLATE GLASS USING THE SAME - lead-free crystal ice that can be melt-adhered to a plate glass, has an average particle diameter (ø) of 0.2 mm to 1.0 mm, can be melted at a firing temperature (i.e. an internal temperature of a heating furnace) of 650 to 710° C., contains no heavy metals, and consists of optimal components present in optimal amounts. The lead-free crystal ice has the highest melting point within the range of 650 to 710° C. In addition, the surface of the lead-free crystal ice is not deformed or discolored in the atmosphere after the crystal ice is melt-adhered to the surface of a plate glass. | 03-04-2010 |
| 20100083705 | METHOD FOR MANUFACTURING DECORATIVE FLAT GLASS USING HORIZONTAL TEMPERING FURNACE - Provided is a method for manufacturing a decorative plate glass using a horizontal tempering furnace including, attaching crystal ice onto a surface of a plate glass, and subjecting the plate glass to a rapid heating and quenching treatment using a horizontal tempering furnace, the method further including: providing crystal ice whose constituent components are regulated such that a melting point temperature of the crystal ice is formed within the set range of the melting point temperature of the crystal ice defined as a toughening temperature of a pane core to 1O0 C above; attaching the crystal ice onto a surface of the plate glass, and rapidly heating the plate glass at a heating temperature inside the horizontal tempering furnace that corresponds to the set range of the melting point temperature of the crystal ice in the horizontal tempering furnace, wherein the rapid heating is performed by controlling a heating time using a first control factor which is readily set with respect to a heating time at the toughening temperature of a float glass; and rapidly cooling the crystal-ice-melt-attached plate glass by controlling cooling conditions using a second control factor which is readily set corresponding to the cooling conditions for toughening the float glass after the rapid heating. | 04-08-2010 |
Jin-Chae Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20120104399 | ARRAY SUBSTRATE FOR ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - A method of fabricating an array substrate for an organic electroluminescent display device includes forming a semiconductor layer, a semiconductor dummy pattern, a first storage electrode and a first gate insulating layer on a substrate; forming a second gate insulating layer on the semiconductor layer and the first storage electrode; forming a gate electrode and a second storage electrode on the second gate insulating layer; forming ohmic contact layers by doping impurities into both sides of the semiconductor layer; forming an inter insulating layer on the gate electrode and the second storage electrode; forming source and drain electrodes and a third storage electrode on the inter insulating layer; forming a passivation layer on the source and drain electrodes and the third storage electrode; forming a first electrode and a fourth storage electrode on the passivation layer; and forming a spacer and a bank on the first electrode. | 05-03-2012 |
Jin-Wan Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20090167963 | PROJECTION DISPLAY APPARATUS USING MICROLENS ARRAY AND MICROMIRROR ARRAY - A projection display apparatus using a microlens array and a micromirror array comprises a substrate, multiple micromirror arrays and multiple microlens arrays. The substrate is disposed apart with a predetermined distance from a light source. The multiple micromirror arrays are disposed over the substrate to be assembled together to have a predetermined incidence angle with respect to the incident rays. The multiple microlens arrays are configured to correspond to the micromirror arrays. More specifically, a first microlens array is disposed in a predetermined region between the light source and the substrate and comprises multiple microlenses. A second microlens array is disposed in a light path of reflection rays reflected from the micromirrors. | 07-02-2009 |
Jin-Yong Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20080238327 | AMOLED DRIVE CIRCUIT USING TRANSIENT CURRENT FEEDBACK AND ACTIVE MATRIX DRIVING METHOD USING THE SAME - Disclosed herein is an Active Matrix Organic Light-Emitting-Diode (AMOLED) drive circuit using transient current feedback. The AMOLED drive circuit includes a current Digital-to-Analog Converter (DAC), a data line drive transistor, a constant current source, a variable current source, a differential amplifier, and a transient charging current control unit. The DAC generates current corresponding to input digital data. The data line drive transistor is configured such that the drain terminal thereof is connected to the output node of the current DAC. The constant current source is connected between the source terminal of the data line drive transistor and a ground. The variable current source is connected between both the output node of the current DAC and the drain terminal of the drive transistor, and a voltage source. The differential amplifier is configured to input the output voltage thereof to the gate terminal of the drive transistor. The transient charging current control unit is configured to increase or decrease the bias current of the variable current source depending on variation in the voltage of the output node of the current DAC. | 10-02-2008 |
| 20090051575 | DRIVING APPARATUS FOR DISPLAY - A driving apparatus for a display is provided. The driving apparatus for a display comprises a reference voltage generator, a digital-to-analog converter, and an output unit. The reference voltage generator generates a plurality of reference voltages, and receives a difference value between two adjacent reference voltages and generates a plurality of sub reference voltages. The digital-to-analog converter selects one of the reference voltages and outputs the selected reference voltage as a first analog signal. The digital-to-analog converter selects one of the sub reference voltages and outputs the selected reference voltage as a second analog signal. The output unit processes, by addition or subtraction, the first and second analog signals for output. | 02-26-2009 |
| 20090051676 | DRIVING APPARATUS FOR DISPLAY - A driving apparatus for a display is provided. The driving apparatus for a display comprises: a digital/analog converter for receiving an input voltage lower than a source voltage used in a buffer amplifier for output driving, generating a plurality of reference voltages, and selecting a reference voltage corresponding to an M (M is a positive integer) bit data signal; and an amplifier for amplifying the reference voltage selected by the digital/analog converter. Therefore, a circuit area and power consumption of the driving apparatus for a display can be minimized. | 02-26-2009 |
| 20100097360 | DISPLAY DRIVING APPARATUS - Disclosed is a display driving apparatus. The display driving apparatus comprises: a current DAC generating a data current; a data line connected to a pixel circuit requiring data writing on a matrix array of a display panel; an adjacent data line located adjacent to the data line; a current mirror feedbacking an excessive charging current generating due to parasitic capacitance of the adjacent data line as a charging current for charging parasitic capacitance of the data line; a current output unit connected to the current mirror and including a first driving transistor unit for driving the data line, and a second driving transistor unit for driving the adjacent data line; a source follower driving the current output unit according to an output node voltage of the current DAC; and a first constant current source discharging parasitic capacitance excessively charged in the data line and the adjacent data line. | 04-22-2010 |
| 20120044235 | ACTIVE MATRIX ORGANIC LIGHT EMITTING DIODE DISPLAY - There is provided an active matrix organic light emitting diode display, including a data driver converting pre-prepared correction data into an analog correction signal and generating a driving signal according to the analog correction signal, a selector selecting a charging path for programming, according to the driving signal in a preset programming period and selecting a deterioration detection path in a preset emission period, a pixel unit including an organic light-emitting diode connected between a power supply receiving power and a ground, charging a value corresponding to the correction data according to the driving signal in the programming period, and allowing current to flow to the organic light-emitting diode according to the charged value in the emission period, and an ADC detecting deterioration voltage having deterioration information of the organic light-emitting diode of the pixel unit in the emission period. | 02-23-2012 |
| 20120044269 | ORGANIC LIGHT EMITTING DIODE DRIVER - There is provided an organic light emitting diode driver capable of compensating for pixel deterioration in real time during the driving of pixels by selectively compensating pixels, requiring compensation, for the deterioration thereof, and precisely setting calibration data by removing an IR drop across a transistor, employed as a switch in the pixels, by calculating a difference between at least two representative values of different gray scale ranges among predetermined gray scale ranges. | 02-23-2012 |
| 20120044271 | ACTIVE MATRIX ORGANIC LIGHT EMITTING DIODE DISPLAY HAVING DETERIORATION DETECTION FUNCTION IN PROGRAMMING PERIOD - There is provided an active matrix organic light emitting diode display including: a data driving unit converting previously prepared correction data into a correction signal and generates a driving signal according to the analog correction signal; a pixel unit having an organic light emitting diode (OLED) between first and second power supply terminals receiving first and second powers, respectively, charging a value corresponding to the correction data according to the driving signal in a predetermined programming period, detecting the driving signal in order to detect deterioration, and allowing current to flow through the OLED according to the value charged in the predetermined programming period in a predetermined holding period; and an ADC detecting deterioration voltage corresponding to the driving signal having deterioration information of the OLED of the pixel unit in the holding period. | 02-23-2012 |
| 20120044360 | DETERIORATION SENSING APPARATUS FOR DISPLAY DEVICE - Disclosed is a deterioration sensing apparatus for a display device, capable of rapidly sensing deterioration by pre-charging a sensing voltage in adjacent pixels while a deterioration of a single pixel is sensed in a display device having a plurality of pixels, in, particular, an organic light emitting diode panel. | 02-23-2012 |
| 20120056866 | ACTIVE MATRIX ORGANIC LIGHT EMITTING DIODE DISPLAY HAVING RESET FUNCTION - There is provided an active matrix organic light emitting diode (AMOLED) display including a driver generating analog driving signals based on previously prepared driving data; a pixel unit including an organic light emitting diode connected between first and second power supply terminals receiving first and second power, respectively, charging values equivalent to the driving data according to the driving signals and simultaneously detecting the driving signals in order to detect deterioration in a preset tracking period, allowing current to flow through the organic light emitting diode according to the values charged in the tracking period in a preset holding period, and setting a reset period between the holding period and a tracking period subsequent thereto to reset the charged values; and an ADC detecting a deterioration voltage corresponding to the driving signals having deterioration information of the organic light emitting diode of the pixel unit in the tracking period. | 03-08-2012 |
| 20120056869 | ORGANIC LIGHT EMITTING DIODE DRIVER - There is provided an organic light emitting diode driver capable of compensating for pixel deterioration in real time during the driving of pixels by selectively compensating pixels, requiring compensation, for the deterioration thereof. The organic light emitting diode driver includes: a converter converting input data into compensation data used to selectively compensate for pixel deterioration according to whether or no the input data has been calibrated; a driver driving pixels of a pixel unit according to the compensation data from the converter; and a compensator providing the converter with a deterioration compensation signal according to deterioration information obtained from a pixel driven by the driver. | 03-08-2012 |
Sang-Hoon Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20110042610 | METHOD FOR PREPARING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed is a method for preparing a cathode active material for a lithium secondary battery, and the preparing method includes: adding a phosphorus compound to a transition metal oxide dispersion liquid to prepare a coating liquid; drying the coating liquid to prepare a powder including phosphorus oxide coated on the surface of the transition metal oxide; and dry-mixing the powder coated with the phosphorus oxide with a lithium intercalation compound, and then firing the mixture to form a solid solution compound of Li-M | 02-24-2011 |
| 20110244329 | CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY HAVING THE SAME - Provided are a cathode active material for a lithium secondary battery and a lithium secondary battery including the same. The cathode active material includes a lithium composite oxide represented by the following Chemical Formula 1. | 10-06-2011 |
Seokhee Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20100141409 | APPARATUS AND METHOD FOR PROVIDING HAPTIC AUGMENTED REALITY - The present invention relates to haptic augmented reality, and more specifically, to a method for providing haptic augmented reality that provides mixed results of a real environment and a virtual environment to a user. | 06-10-2010 |
Yoo Cheor Jeon, Daegu KR
| Patent application number | Description | Published |
|---|---|---|
| 20080310071 | STRUCTURE FOR INSTALLING LIGHTNING ARRESTER FOR ELECTRIC POLE - A structure for installing a lightning arrester between the cross arm mounted to the upper end of an electric pole and a power line is disclosed. A dead end clamp, the lightning arrester and an insulation reinforcing insulator are connected in series, an end of the insulation reinforcing insulator is connected to the cross arm by a shackle, a disconnector is connected to the voltage outlet portion of the lightning arrester, a grounding wire for diverting abnormal voltage to the ground is connected to the disconnector, and an insulation cover surrounds the dead end clamp and the voltage inlet portion of the lightning arrester. | 12-18-2008 |