Wonkeun
Wonkeun Chang, Acton Act AU
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20140334763 | METHOD AND LIGHT PULSE SOURCE FOR GENERATING SOLITON LIGHT PULSES - A method of generating light pulses including pumping laser pulses with a pump laser source, coupling the laser pulses into a pulse guiding medium having an anomalous group-velocity dispersion and a Kerr nonlinearity, and propagating the laser pulses along the pulse guiding medium, wherein soliton-shaped light pulses are formed from the laser pulses within the pulse guiding medium and, resulting from a photoionization of the pulse guiding medium by the light pulses, the light pulses are subjected to a frequency, wherein the method further includes setting the pump laser source and the pulse guiding medium such that the light pulses are fundamental soliton light pulses propagating in the pulse guiding medium, wherein the group-velocity dispersion of the pulse guiding medium being selected such that a ratio of the dispersion and the Kerr nonlinearity decreases with increasing frequency and the fundamental soliton light pulses are compressed with the frequency shift. | 11-13-2014 |
Wonkeun Cho, Paju-Si KR
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20100214505 | LIQUID CRYSTAL DISPLAY - A liquid crystal module includes: a liquid crystal display panel; a backlight unit that irradiates light onto the liquid crystal display panel; a panel guide that supports the liquid crystal display panel and the backlight unit in a stacked condition and ensures a panel gap between the liquid crystal display panel and the backlight unit; and a top case facing the panel guide. The panel guide includes one or more ventilation openings that penetrate side walls of the panel guide facing the panel gap. | 08-26-2010 |
Wonkeun Kim, Hwaseong-Si KR
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20120100671 | Semiconductor Package And Method Of Manufacturing The Same - A semiconductor package includes a circuit substrate, a semiconductor chip on the circuit substrate, an inner solder ball between the circuit substrate and the semiconductor chip, and dummy solder filling a dummy opening in at least one of an substrate insulation layer of the circuit substrate and a chip insulation layer. The dummy solder does not electrically connect the semiconductor chip with the substrate. The circuit substrate may include a base substrate, a substrate connection terminal on the base substrate, and the substrate insulation layer covering the base substrate. The semiconductor chip may include a chip connection terminal and the chip insulation layer exposing the chip connection terminal. The inner solder ball may be interposed between the substrate connection terminal and the chip connection terminal to electrically connect the circuit substrate to the semiconductor chip. | 04-26-2012 |
20150069635 | SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME - Provided are semiconductor packages and methods of fabricating the same. The method may include mounting a first semiconductor chip including chip and heat-transfer regions and a lower heat-transfer pattern disposed on the heat-transfer region, on a substrate, mounting a second semiconductor chip on the chip region of the first semiconductor chip, forming a mold layer on the substrate to enclose the first and second semiconductor chips, forming an opening in the mold layer to expose at least a portion of the lower heat-transfer pattern, forming a heat-pathway pattern in the opening, and forming a heat-dissipating part on the second semiconductor chip and the mold layer to be connected to the heat-pathway pattern. | 03-12-2015 |
Wonkeun Lee, Gyunggi-Do KR
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20120303215 | APPARATUS AND METHOD FOR CONTROLLING VIDEO RECORDING IN BLACK BOX FOR VEHICLE - Provided are an apparatus and a method for controlling a video recording in a black box for vehicle. The method for controlling the video recording in the black box for a vehicle according to the present invention, for example, comprises the steps of: storing a video including images of a driving vehicle; obtaining the possibility of an accident with the vehicle; and variably adjusting one or more image quality, resolution, and a frame accident possibility. The limited capacity of storage can be used by adopting the configuration. In addition, the monitoring and storage performance of the black box for a vehicle can be improved by correctly determining causes of a vehicle accident. | 11-29-2012 |
20120303269 | NAVIGATION SYSTEM, SERVER CONNECTED THERETO, AND METHOD FOR CONTROLLING VEHICLE NAVIGATION - A navigation system, a server connected thereto, and a method for controlling a vehicle navigation system are provided. The vehicle navigation system includes a display; an input unit configured to receive input information corresponding to a reference position; a storage configured to store video data mapped with first location data, and map data; a communication unit configured to receive the video data from a vehicle black box installed in a vehicle; and a controller configured to obtain second location data from the map data using the input information, to search the storage for video data mapped with the first location data corresponding to a location within a predetermined distance from a location corresponding to the second location data and to output the search result to the display. According to the present invention, it is possible to search video data or video frames even when the user does not input information on a correct location by searching video data mapped with first location data corresponding to a location within a predetermined distance from a location corresponding to second location data obtained using information input by the user. | 11-29-2012 |
20120323449 | VEHICLE NAVIGATION AND METHOD FOR INDUCING NORMAL BLACK BOX POSITION IN NAVIGATION SYSTEM - A vehicle navigation of the present invention comprises: a storage unit which stores normal posture data of a vehicle black box; a communication unit which communicates with the vehicle black box; and a controller which obtains current posture data by analyzing data received from the vehicle black box, and determines whether the stored normal posture data is matched with the obtained current posture data. According to the present invention, the driver is notified in advance that the position of a camera is out of shape due to the repeated vibration or acceleration or the like of a vehicle. Thus, the driver can correct the vehicle black box, the camera equipped in the vehicle black box or the camera provided in the vehicle to the normal positions. | 12-20-2012 |
20120323480 | SERVER, NAVIGATION SYSTEM, VEHICLE NAVIGATION SYSTEM, AND METHOD FOR PROVIDING IMAGES OF VEHICLE NAVIGATION SYSTEM - Disclosed are a server, a navigation system, a vehicle navigation system, and a method for providing images of a vehicle navigation system. According to the present invention, the vehicle navigation system processes image data obtained through a vehicle black box and transmits the processed image data to a server or a user terminal. | 12-20-2012 |
Wonkeun Lee, Gwangmyung-Si KR
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20120323490 | VEHICLE NAVIGATION SYSTEM, METHOD FOR CONTROLLING VEHICLE NAVIGATION SYSTEM, AND VEHICLE BLACK BOX - Disclosed are a vehicle navigation system and a method for controlling a vehicle navigation system. The vehicle navigation system of the present invention comprises: a storage unit; a communication unit for receiving image data mapped with route guidance information from a vehicle black box provided in a vehicle; and a control unit for storing the received image data in a storage unit. The present invention can utilize the image data mapped with the route guidance information as reference data for determining details of an accident by storing the image data mapped with the route guidance information to confirm information including a destination of a driver of an accident vehicle when an accident happens. | 12-20-2012 |
20130218460 | NAVIGATION SYSTEM AND METHOD FOR CONTROLLING VEHICLE NAVIGATION - The present invention relates to a navigation system and to a method for controlling vehicle navigation. The vehicle navigation of the present invention comprises a storage that saves map data, a communication part that receives, from a vehicle black box installed in the vehicle, visual data captured by said block box, and a control part that acquires location data from the map data and saves the data after mapping the captured visual data with the location data. According to the present invention, as the control part maps the visual data obtained by the vehicle black box with the visual data and saves said data, the user can easily search the relevant visual data or visual frame using the location data, and use said data to determine the cause of an accident and the negligence or fault that led thereto in the event of a car accident. | 08-22-2013 |
Wonkeun Yang, Seoul KR
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20150304549 | IMAGE PHOTOGRAPHING DEVICE AND METHOD FOR SAME - An image photographing device for photographing images through a front camera and a rear camera, according to one embodiment of the present invention, comprises: a display unit; a feature extraction unit for extracting facial features from an image of a user's face which is displayed on a preview screen through the rear camera; a structure extraction unit for extracting the structure of the user's face by using the extracted facial features; an expression extraction unit for extracting the facial expression of the user by using the extracted facial features if the extracted structure of the face matches a standard facial structure; and an notification unit for outputting a photograph notification signal if the extracted facial expression of the user matches a standard facial expression. | 10-22-2015 |