Byung-Hak
Byung Hak Jeong, Seoul KR
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20110248301 | LIGHT EMITTING DEVICE, METHOD FOR FABRICATING THE LIGHT EMITTING DEVICE, AND LIGHT EMITTING DEVICE PACKAGE - Provided are a light emitting device, a method for fabricating the light emitting device, and a light emitting device package. The light emitting device includes a light emitting structure including a first conductive type semiconductor layer, an active layer under the first conductive type semiconductor layer, and a second conductive type semiconductor layer under the active layer, a conductive support member, and a protection member on the light emitting structure. The light emitting structure has a first width and a second width. A difference between the first width and the second width defines a stepped structure or an inclined structure. The protection member is disposed on the stepped or the inclined structure defined by the difference between the first and second widths of the light emitting structure. | 10-13-2011 |
Byung Hak Jung, Seoul KR
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20100235759 | UNIFIED MANAGEMENT METHOD OF VARIOUS TYPES OF MESSAGES OF A PERSONAL INFORMATION TERMINAL - The present invention relates to a method of displaying several types of messages all together through a single window and of enabling a user to write and transmit a message with no consideration of message type. This unified message management method displays various types of messages all together along with their respective message types through a single window, converts the type of a written message, if needed, to match it to a protocol determined based on information written in its field distinguishing a message type, and transmits the type-converted message, whereby a user can confirm all types of received messages at a time and user's inconvenience that a message type to write should be distinguished in advance prior to choosing a message input screen can be removed. | 09-16-2010 |
20110214083 | UNIFIED MANAGEMENT METHOD OF VARIOUS TYPES OF MESSAGES OF A PERSONAL INFORMATION TERMINAL - A mobile terminal includes a display and a controller. The display outputs a first input window configured to receive a first message. When input data is received into at least one message field of the first input window, the controller determines whether or not the input data conforms to a format of the first input window corresponding to the first message. The controller also outputs a notification after the input is determined not to conform to the format corresponding to the first input window corresponding to the first message. The display outputs a second input window to receive a second message. The second input window has at least one message field different from the message fields in the first input window. | 09-01-2011 |
Byung Hak Kang, Daejeon KR
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20150049445 | METHOD FOR MANUFACTURING ELECTRONIC COMPONENT EMBEDDING SUBSTRATE AND ELECTRONIC COMPONENT EMBEDDING SUBSTRATE - Disclosed herein are a method for manufacturing an electronic component embedding substrate and an electronic component embedding substrate. The method for manufacturing an electronic component embedding substrate includes: inserting an electronic component into a cavity formed in a core substrate; stacking a first insulating layer on one side of the core substrate into which the electronic component is inserted; performing surface treatment on the other side of the core substrate opposite to a direction in which the first insulating layer is stacked to improve a surface roughness of at least an exposed surface of the first insulating layer; and stacking a second insulating layer on the other side of the core substrate so as to be bonded to the exposed surface of the first insulating layer of which the surface roughness is improved. In addition, disclosed herein is the electronic component embedding substrate. | 02-19-2015 |
Byung Hak Song, Suwon-Si KR
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20120329145 | SENSOR STRIP DEVICE FOR MEASURING PROTEIN IN THE BLOOD - A sensor strip apparatus includes: a top plate having an entrance opening downward and a joint formed downward; a pad section including a support having a window opening downward, a reaction pad attached to the window of the support and reacting with a specimen, first and second hemolysis inhibition pads attached to the reaction pad to filter hemocytes from the specimen, a specimen pad attached to the first and second hemolysis inhibition pads to diffuse the specimen crosswise, and an adhesive film attached to the support around the first and second hemolysis inhibition pads to increase adhesion strength of the specimen pad; and a bottom plate having a second joint forcibly coupled with to the joint of the top plate, and a window configured to indentify the reaction pad through the window of the support. | 12-27-2012 |
Byung-Hak Ahn, Seoul KR
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20110080109 | HIGH EFFICIENCY LED DRIVER WITH CURRENT SOURCE REGULATIONS - The present invention provides a control circuit for LED driver. A voltage-feedback circuit is coupled to LEDs to sense a voltage-feedback signal for generating a voltage loop signal. Current sources are coupled to the LEDs to control LED currents. A detection circuit is connected to sense voltages of current sources for generating a current-source loop signal in response to a minimum voltage of the current sources. Furthermore, a buffer circuit generates a feedback signal in accordance with the voltage loop signal and the current-source loop signal. The feedback signal is coupled to limit a maximum voltage of the LEDs and regulate the minimum voltage across the current sources. | 04-07-2011 |
20120170165 | ADAPTIVE OVERVOLTAGE PROTECTION CIRCUIT AND METHOD, AND POWER SYSTEM INCLUDING THE SAME - An adaptive over-voltage protection circuit includes an over-voltage protection reference voltage provider and an over-voltage signal output unit. The over-voltage protection reference voltage provider provides a voltage of an over-voltage protection level higher than that of an over-voltage protection voltage corresponding to an output voltage supplied to a load from among a plurality of different over-voltage protection levels as an over-voltage protection reference voltage when the output voltage reaches a range of a rated voltage of the load. The over-voltage signal output unit outputs an over-voltage signal indicating an over-voltage by comparing the over-voltage protection voltage with the over-voltage protection reference voltage. | 07-05-2012 |
Byung-Hak Cho, Daejeon KR
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20080301891 | Robot mechanism for cleaning and inspection of live-line insulators - A robot mechanism adopts a dry cleaning method to clean the surface of live-line insulators without: using water and can perform cleaning and inspection of the surface of the live-line insulators while automatically moving along an insulator string. The robot mechanism includes a main unit having upper and lower wing frames connected with each other by a connecting bracket to surround the insulator string, a cleaning unit disposed between the upper and lower wing frames and including a base frame to perform dry cleaning with a rotational brush and a CM guide, a lift unit including a clamp and a ball-bearing screw to move the main unit up or down, and an inspection unit to electrically inspect the insulators; and a coupling unit to couple a pair of the main units to allow the pair of main units to move along a tension insulator string or a suspension insulator string. | 12-11-2008 |
20090052605 | HANDLING SYSTEM FOR IN-CORE DETECTOR THIMBLE TUBE OF REACTOR - A handling system for an in-core detector thimble tube of a reactor is disclosed. The handling system serves to withdraw and retract a thimble tube so as to provide a movement path of a movable detector used to measure a neutron flux within a reactor. For this, the handling system basically includes a thimble tube withdrawing/retracting device, which grips the thimble tube using a plurality of synthetic resin pinch rollers to withdraw and retract the thimble tube without any damage to the thimble tube, a thimble tube tensioning device, which applies a constant tensile force to the thimble tube to prevent the thimble tube from shaking or bending upon withdrawing/retracting operations, and a thimble tube platform, which temporarily keeps the withdrawn thimble tube at a fixed position without a risk of shaking of the thimble tube and provides a movement path of the thimble tube tensioning device. With automatic withdrawal/retraction of the thimble tube without damage provides advantages of an extended thimble tube exchange interval, improved safety of system facilities, reduced labor costs and working time, and reduced worker radiation exposure, shortened precaution/maintenance period, and enhanced reactor use efficiency. | 02-26-2009 |
20100100239 | ROBOT MECHANISM FOR INSPECTION OF LIVE-LINE SUSPENSION INSULATOR STRING - Disclosed herein is a robot mechanism for inspection of a live-line suspension insulator string. A robot body of the robot mechanism reciprocates along the live-line suspension insulator string and includes upper and lower robot frames configured to encircle the insulator string, a battery module provided to either end of the robot body, an actuation module for moving the robot body along the insulator string, an inspection module for electrically inspecting an insulator, a connection module for coupling the robot body to an installation/dismantlement mechanism, a wing opening/closing module for manually separating the robot body from the insulator string, a measurement module for measuring electrical properties of the insulator, a controller for controlling operation of the robot body, and a crack detection unit for detecting cracks formed in the insulator. | 04-22-2010 |
20100145517 | ROBOT MECHANISM FOR NONDESTRUCTIVE AGING EVALUATION OF CABLE - The present disclosure relates to a robot mechanism for nondestructive aging evaluation of a cable. The robot mechanism includes at least two inspection modules, and a coupler disposed between the at least two inspection modules and connected to each of the inspection modules to adjust a separation between the inspection modules. Each of the inspection modules approaches a cable and automatically inspects an aged state of the cable. The robot mechanism automatically measures an aged state of a cable in a nondestructive manner and establishes a database of cable aging, so that normal operation of the cable can be ensured through stable management of the cable by evaluating a replacement time and the aged state of the cable based on the database. | 06-10-2010 |
20110031747 | VARIABLE LIQUID COLUMN OSCILLATOR USING WAVE ENERGY - Disclosed is a variable liquid column oscillator using wave energy in which an energy absorption mechanism of a wave energy apparatus tunes vibration characteristics responding to waves to a vibration cycle of waves to maximize energy absorption efficiency. | 02-10-2011 |
20110031751 | MOVABLE OBJECT TYPE HIGH-EFFICIENCY WAVE ENERGY APPARATUS - Disclosed is a movable object type high-efficiency wave energy apparatus which further accelerates vibration of floating bodies according to vibration of waves to maximize electric power generation efficiency. | 02-10-2011 |
Byung-Hak Cho, Seongnam-Si KR
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20150130542 | DEVICE AND METHOD FOR CONTROLLING OUTPUT AMPLITUDE OF VOLTAGE CONTROL OSCILLATOR IN ELECTRONIC DEVICE - An electronic device and a method for control of an output amplitude of a Voltage Control Oscillator (VCO) in the electronic device is provided. The electronic device includes a first circuit configured to output a frequency signal corresponding to a control voltage, and a second circuit configured to generate control bits that control an amplitude of the frequency signal based on a comparison result between a peak voltage of the frequency signal and a reference voltage of the frequency signal. | 05-14-2015 |
Byung-Hak Kim, Seoul KR
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20140343150 | NOVEL PHYTOSPHINGOSINE DERIVATIVES, AND COMPOSITION COMPRISING SAME FOR PREVENTING AND TREATING INFLAMMATORY SKIN DISEASES, AUTOIMMUNE DISEASES, AND HYPERKERATOSIS DISEASES - A phytosphingosine derivative of chemical formula IA or IB, and a composition comprising the phytosphingosine derivative for preventing and treating inflammatory skin diseases, autoimmune diseases, and hyperkeratotic diseases. The phytosphingosine derivatives of the present disclosure are involved with transcription factors related to inflammation, autoimmune diseases and hyperkeratotic diseases, the expression and the generation of inflammatory mediators, signal transduction mechanisms, and the expression and the activity of relevant enzymes and the like. | 11-20-2014 |
20140357720 | NOVEL PHYTOSPHINGOSINE DERIVATIVES, AND A COSMETIC COMPOSITION COMPRISING THE SAME FOR PREVENTING AND AMELIORATING INFLAMMATORY SKIN DISEASES AND HYPERKERATOSIS DISEASES - A phytosphingosine derivatives of chemical formula IA or IB, and a cosmetic composition including the phytosphingosine derivative. The phytosphingosine derivatives are involved with transcription factors related to inflammation and hyperkeratotic diseases, the expression and the generation of inflammatory mediators, signal transduction mechanisms, and the expression and the activity of relevant enzymes and the like. | 12-04-2014 |