Chang-Ik
Chang Ik Hwang, Dalseo-Gu KR
Patent application number | Description | Published |
---|---|---|
20130342925 | ADHESIVE FILM FOR REFLECTION SHEET AND REFLECTION SHEET USING THE SAME - An adhesive film for a reflection sheet and a reflection sheet using the adhesive film is provided. The adhesive film comprises a plastic base film having a heat shrinkage of −0.1 to 0.5% at 150° C. in machine and transverse directions; an adhesive layer formed on one side of the base film by applying an adhesive composition; and an anchor coating layer formed on the other side of the base film, opposite to the side on which the adhesive layer is formed. The adhesive film for a reflection sheet is manufactured by applying an adhesive composition on a plastic base film where heat shrinkage is controlled. Thus, the adhesive film has superior dimensional stability at a high temperature and excellent workability in a post process for laminating a reflection layer. Partial detachment does not occur when an adhesive layer is detached from an adherent, and stable physical properties can be achieved. | 12-26-2013 |
Chang Ik Im, Ansan-Si KR
Patent application number | Description | Published |
---|---|---|
20140166976 | HIGH EFFICIENCY LIGHT EMITTING DIODE - Exemplary embodiments of the present invention provide a high efficiency light emitting diode including a semiconductor stack including a first-type compound semiconductor layer, an active layer, and a second-type compound semiconductor layer, a first electrode disposed on the semiconductor stack, and a graphene-metamaterial laminate structure disposed between the first electrode and the semiconductor stack. | 06-19-2014 |
20140367722 | LIGHT EMITTING DIODE AND METHOD FOR MANUFACTURING SAME - Disclosed are a light-emitting diode and a method for manufacturing the same. A light-emitting diode according to one aspect of the present invention includes: a first conductive clad layer; a light-scattering pattern configured, in the first conductive clad layer, having a refractive index different from that of the first conductive clad layer; an active layer located under the first conductive clad layer; a second conductive clad layer located under the active layer; a first electrode configured to be electrically connected to the first conductive clad layer; and a second electrode configured to be electrically connected to the second conductive clad layer. The light-scattering pattern can improve light extraction efficiency. | 12-18-2014 |
Chang Ik Kim, Yongin KR
Patent application number | Description | Published |
---|---|---|
20130083495 | TUNER MODULE - There is provided a tuner module used for a television (TV) or a set top box, and more particularly, to a tuner module having a significantly reduce size. The tuner module includes: a tuner including a circuit board having at least one electronic component mounted thereon, and a cover coupled to the circuit board and having an opened bottom portion so as to allow the circuit board to be received therein; and a main board having the tuner mounted on one surface thereof, wherein the main board includes a ground pad formed thereon to correspond to a position in which the tuner is mounted. | 04-04-2013 |
Chang Ik Kim, Suwon-Si KR
Patent application number | Description | Published |
---|---|---|
20150244424 | TRANSMITTING AND RECEIVING POWER WIRELESSLY - An apparatus for transmitting power wirelessly includes a power transmitter configured to transmit power wirelessly to an apparatus for receiving power wirelessly, and an identification information manager configured to transmit first identification information allocated to the apparatus for transmitting power wirelessly to other devices. | 08-27-2015 |
Chang-Ik Choi, Suwon-Si KR
Patent application number | Description | Published |
---|---|---|
20080218505 | IMAGE DISPLAY APPARATUS FOR CONTROLLING AN EXTERNAL DATA TRANSMITTING DEVICE USING A USB CONNECTOR AND A METHOD THEREOF - An image display apparatus which controls an external device transmitting data using a USB connector is provided. The image display apparatus includes a first connector and a second connector which receive an image signal, respectively, a display unit which selectively displays the image signal input via the first connector and the second connector, and if the image signal input via the first connector is displayed on the display unit, a central processing unit (CPU) which stops an external device connected via the second connector from transmitting an image signal. Accordingly, resources in the external device can be efficiently managed by stopping unnecessary operations. | 09-11-2008 |
Chang-Ik Hwang, Seongnam City KR
Patent application number | Description | Published |
---|---|---|
20120007754 | METHOD AND APPARATUS FOR DECODING TRANSMITTED/RECEIVED DATA - The present invention discloses a transmitted/received data decoding method and apparatus, which achieve effects of decoding performance improvement and synchronous detection. The decoding method includes setting a coded edge pattern, and filtering a received data by using the set coded edge pattern as a window; respectively computing absolute values of filtered values filtered by using the coded edge pattern windows; detecting a maximum absolute value from the computed absolute values; determining a sign (+/−) for the detected maximum absolute value; outputting an intermediate bit value of the corresponding original data as a resultant decoded value according to the determined sign and a window type (i.e. coded edge patter) with the selected maximum absolute value. | 01-12-2012 |
Chang-Ik Hwang, Daegu-Si KR
Patent application number | Description | Published |
---|---|---|
20120164456 | Polyester Film for Protecting Polarizing Plate - A polyester film for protecting a polarizing plate is provided wherein the polyester film includes a polyester substrate film, and an anti-static layer provided on at least one surface of the polyester substrate film, the anti-static layer coated with an anti-static coating solution comprising a conductive polymer resin, a polyurethane resin, a cross linking agent and a fluoro resin wherein the anti-static coating solution comprises, on a basis of 100 parts by weight of the conductive polymer resin, about 100 to about 1,000 parts of the polyurethane resin, about 100 to about 2000 parts of the cross linking agent and about 30 to about 300 parts of the fluoro resin. | 06-28-2012 |
20150118432 | DIELECTRIC ADHESIVE FILM FOR ELECTRONIC PAPER DISPLAY DEVICE - The present disclosure provides a dielectric adhesive film for an electronic paper display device, by which the operating performance of a flexible display device is excellent even applying a high voltage when the flexible display device is operated, by controlling a dielectric constant with respect to an adhesive film for attaching a lower electrode to which a voltage is applied with an image upper electrode on which particles, which possess electric charges with various colors that change according to an applied voltage, are coated to adjust the electric charges of the adhesive film in the thickness direction to thereby minimize loss of the applied voltage while maintaining an adhesive property and reliability. | 04-30-2015 |
Chang-Ik Jeong, Seoul KR
Patent application number | Description | Published |
---|---|---|
20100203908 | MOBILE TERMINAL AND COMMUNICATION METHOD THEREOF - A mobile terminal includes a wireless communication unit establishing a first communication session with a first entity and a second communication session with a second entity, a display displaying a plurality of windows including a first window and a second window, a memory storing a merging menu, and a controller controlling the display to display the first window related to the first communication session and the second window related to the second communication session, the controller generating a third window including the first communication session and the second communication session in response to a an input and controlling the display to display the third window further including the first entity and the second entity. | 08-12-2010 |
Chang-Ik Kang, Santa Clara, CA US
Patent application number | Description | Published |
---|---|---|
20100053799 | METHOD FOR ESTIMATING POSITION ERROR GAIN FOR HARD DISK DRIVES - A hard disk drive with a controller that determines a position error signal gain. The position error signal gain is determined from a total servo loop gain and a function that is defined by a slope of a line of A and B servo bits measured at N off-track positions. The function determines an actual plant gain and thus provides a more accurate position error signal gain. | 03-04-2010 |
20100079909 | METHOD FOR UNLOADING HEAD WITHOUT CALIBRATION IN HARD DISK DRIVES - A hard disk drive with a voice coil motor coupled to a head. The disk drive includes a circuit that provides a drive current with a sinusoidal waveform to the voice coil motor during an unload routine. The back emf of the voice coil motor can be determined during a sample period when the current is essentially zero. There is no need to perform a resistance calibration. This reduces the time needed to unload the head. | 04-01-2010 |
20110090591 | SEEK CONTROL METHOD TO AVOID FLEX CABLE RESONANCE DURING SETTLE IN HARD DISK DRIVE - A hard disk drive with a circuit that can perform a seek routine by providing a seek current to a voice coil motor. The voice coil motor is coupled to a head that is coupled to a disk. The seek current provides a predetermined number of harmonics. The number of harmonics is a function of a seek length of the seek routine. By way of example, the seek current may include only a first harmonic for seek lengths less than 20,000 tracks, or only the first and second harmonics for seeks less than 40,000 tracks. The harmonics can be determined by plotting PES settle versus seek length for a hard disk drive. | 04-21-2011 |
20120019961 | METHOD OF SEEK TRAJECTORY GENERATION FOR BETTER TRACKING AND FASTER SETTLING IN HARD DISK DRIVES - A hard disk drive with a circuit that controls a voice coil motor. The circuit provides a driving current to the voice coil motor to move a head of the drive in a seek routine. The seek routine includes a computation of a driving current that is a function of a feedforward zero phase error tracking algorithm. Utilizing the feedforward zero phase error tracking algorithm can reduce the seek time of the drive. | 01-26-2012 |
20130114162 | HARD DISK DRIVE SYSTEM WITH OFF TRACK DETECTION MECHANISM AND METHOD OF MANUFACTURE THEREOF - A method of manufacture of a hard disk drive system includes: providing a base circuit board having a shock sensor and vibration sensors thereon; electrically connecting translational shock detect circuitry directly to the shock sensor for transmission of a translational shock signal; electrically connecting rapid off track shock detection circuitry to the vibration sensors for transmission of a rotation based shock signal; and electrically connecting shock aggregation circuitry to the translational shock signal and the rotation based shock signal for transmission of a composite shock indicator. | 05-09-2013 |
Chang-Ik Kang, Fremont, CA US
Patent application number | Description | Published |
---|---|---|
20080259488 | Method and apparatus improving prevention of off-track writing in a hard disk drive - Embodiments of the invention include: a hard disk drive using a read track to position for writing to a write track and generating a position error signal (PES) based upon all four servo offset bursts used to disable writing when the PES exceeds a position error threshold; a preamplifier generating the PES from four bursts from a slider reading the read track to position when the write track is to be written, and methods of writing the write track using PES from four bursts of the read track that disables writing when the PES is above the position error threshold. | 10-23-2008 |
Chang-Ik Kang, Daejeon KR
Patent application number | Description | Published |
---|---|---|
20130145824 | POLLUTION MEASUREMENT APPARATUS FOR EASILY EXCHANGING SENSOR - Disclosed is a pollution measurement apparatus which measures a pollutant concentration and a pollutant component in gas, and more particularly a pollution measurement apparatus for easily exchanging a sensor, which can facilely exchange only desired sensors when it is required to exchange part of multiple sensors for sensing pollution. | 06-13-2013 |
Chang-Ik Lee, Seongnam-Si KR
Patent application number | Description | Published |
---|---|---|
20140294167 | TERMINAL, SERVER, AND METHOD FOR ACTIVELY PROVIDING INFORMATION BASED ON COMMUNICATION CONTENTS - A terminal for actively providing information based on communication contents of a communication session. The terminal comprises a display unit that divides at least one of a schedule, Apps, REC, information regarding a matter of interest, and a contact into categories and displays, according to the categories, at least one of information regarding a communicator's matter of interest, schedule-related information, address book information corresponding to name information within a subscriber address book, first information relating to Apps within the subscriber terminal, and one or more App driving icons corresponding to the first information that are extracted from communication contents for at least one of a subscriber and a communication opponent in the communication session. | 10-02-2014 |
Chang-Ik Lee, Anseong-Si KR
Patent application number | Description | Published |
---|---|---|
20150301452 | PHOTORESIST COMPOSITION AND METHOD OF FABRICATING DISPLAY SUBSTRATE USING THE SAME - A chemically amplified photoresist composition is provided which includes: a solute including a novolac resin with an acid decomposable protecting group, a photoacid generator, and an organic solvent. | 10-22-2015 |