Patents by Inventor Jin An

Jin An has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Semiconductor device having redistribution layer
    Patent number: 8058726
    Abstract: A semiconductor device and method of manufacturing the same are provided. The semiconductor device comprises a semiconductor die including a bond pad, a redistribution layer, and a solder ball. The redistribution layer is formed by sequentially plating copper and nickel, sequentially plating nickel and copper, or sequentially plating copper, nickel, and copper. The redistribution layer includes a nickel layer in order to prevent a crack from occurring in a copper layer. Further, a projection is formed in an area of the redistribution layer or a dielectric layer to which the solder ball is welded and corresponds, so that an area of the redistribution layer to which the solder ball is welded increases, thereby increasing bonding power between the solder ball and the redistribution layer.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: November 15, 2011
    Assignee: Amkor Technology, Inc.
    Inventors: Jung Gi Jin, Jong Sik Paek, Sung Su Park, Seok Bong Kim, Tae Kyung Hwang, Se Woong Cha
  • Handover system and method in a wireless mobile communication system
    Patent number: 8060093
    Abstract: A handover method of a Mobile Station (MS) and a wireless mobile communication system are provided. The handover method includes sending a handover request message to a Serving Base Station (BS), receiving a handover response message including handover Target BS information and an entire Cipher-based Message Authentication Code (CMAC) value corresponding to a first number of bits, from the Serving BS in response to the handover request message, storing a partial CMAC value corresponding to a second number of Most Significant Bit (MSB) bits in the entire CMAC value, sending to the Serving BS a handover indication message including the entire CMAC value and information on a Target BS to which the MS has determined to handover, selecting a ranging code using the partial CMAC value, and sending the selected ranging code to the Target BS.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Hyuk Jang, Hyoung-Kyu Lim, Sung-Jin Lee, Jung-Je Son, Hyun-Jeong Kang
  • Power transmission control device, power transmission device, electronic instrument, and non-contact power transmission system
    Patent number: 8060011
    Abstract: A power transmission control device provided in a power transmission device of a non-contact power transmission system includes a drive clock signal generation circuit that generates a drive clock signal that specifies a drive frequency of a primary coil, a driver control circuit that generates a driver control signal based on the drive clock signal and outputs the driver control signal to a transmission driver, a waveform adjusting circuit that outputs a waveform adjusting signal of an induced voltage signal of the primary coil, a pulse width detection circuit that receives the waveform adjusting signal and the drive clock signal and detects pulse width information relating to the waveform adjusting signal, and a control circuit that detects a change in secondary-side load based on the detected pulse width information.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: November 15, 2011
    Assignee: Seiko Epson Corporation
    Inventor: Mikimoto Jin
  • Adjustable pedal system
    Patent number: 8056440
    Abstract: Provided is an adjustable pedal system. The adjustable pedal system includes: a support bracket having a predetermined hole and a guide groove which are substantially perpendicular; a driving part including a driving arm which can make a substantially vertical motion along the guide groove and provides a driving force to the driving arm; a control arm including a hinge hole which is coupled to the driving arm by a first pin and a sliding slot which is coupled to the predetermined hole by a second pin and formed oblique to the guide groove; and a pedal arm having a pedal at one end thereof and being connected to the control arm at other end thereof, the control arm slides obliquely along the sliding slot according to the working of the driving arm when moves vertically along the guide groove and thus this causes a position of each of the control arm and the pedal arm to be changed.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: November 15, 2011
    Assignee: SL Corporation
    Inventor: Jin-Oh Choi
  • Flat panel display apparatus with a porous layer on a substrate
    Patent number: 8058799
    Abstract: A flat panel display apparatus with reduced reflection of external light incident on the flat panel display apparatus. The flat panel display apparatus includes a substrate, a porous layer disposed on the substrate, and a plurality of display devices disposed on the substrate. Here, the porous layer is adapted to diffusedly reflect external light and/or to increase viewing angle of the flat panel display apparatus.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: November 15, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Won-Jong Kim, Yong-Tak Kim, Jin-Baek Choi, Jong-Hyuk Lee, Yoon-Hyeung Cho, Min-Ho Oh, Byoung-Duk Lee, So-Young Lee, Sun-Young Lee
  • Magnetic core plasmon antenna with recessed plasmon layer
    Patent number: 8059496
    Abstract: Various embodiments of a TAMR head having a magnetic core antenna (MCA) with a recessed plasmon layer are disclosed. An end of the plasmon layer is separated from the ABS by a magnetic layer that transmits the plasmon mode from the plasmon layer and transmits magnetic flux from an adjacent main pole layer. Both of the MCA and magnetic layer may have a triangular shape from an ABS view. There may be a non-magnetic separation layer between the MCA magnetic core and the main pole. Furthermore, a magnetic shield may be included with a side at the ABS, a side facing an end of a waveguide that transmits electromagnetic radiation to the MCA, and a side facing an edge of the plasmon layer. The recessed plasmon layer allows an improved overlay of the thermal heating spot on the magnetic field gradient at the magnetic medium that provides better TAMR performance.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: November 15, 2011
    Assignee: Headway Technologies, Inc.
    Inventors: Yuchen Zhou, Xuhui Jin, Kenichi Takano, Moris Dovek, Tobias Maletzky, Erhard Schreck, Joe Smyth
  • Light sensing panel, and liquid crystal display apparatus having the same
    Patent number: 8058603
    Abstract: A light sensing panel includes a scan line transmitting a scan signal, a power source line transmitting a bias voltage, a readout line transmitting a light sensing signal and a light sensing device. The light sensing device includes a control electrode that is electrically connected to the scan line to receive the scan signal, a first current electrode that is electrically connected to the power source line to receive the bias voltage, and a second current electrode that is electrically connected to the readout line to apply a light sensing signal to the readout line when the light sensing signal senses an external light. The light sensing panel requires only one thin film transistor in order to detect a position wherein the external light is incident. Therefore, electrical coupling between devices is reduced and aperture ratio is increased, thereby enhancing a display quality.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-Jin Park, Kee-Han Uh, Young-Bae Jung, Jong-Whan Cho, Young-Jun Choi
  • Method and apparatus for dynamically allocating HARQ buffer in wireless communication system
    Patent number: 8060801
    Abstract: Disclosed is a method and apparatus for efficiently controlling buffers which support a Hybrid Automatic Repeat Request (HARQ) in a wireless communication system. Buffer regions for the HARQ scheme are not fixedly allocated according to channel identification information, but are allocated from the viewpoint of one overall memory through aggregation support. That is, an HARQ buffer is dynamically controlled. Therefore, there are the effects reducing the size of the entire chip, as well as reducing power consumption of the entire system according to the reduction of the chip size.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Ji-Yun Seol, Hyun-Sang Cho, Bong-Gee Song, Jong-Han Lim, Jin-Woo Roh
  • Side-view type light emitting device and optical device including the same
    Patent number: 8057084
    Abstract: A side-view type light emitting device includes a package body, first and second lead frames, a light emitting diode chip, a resin covering portion, and at least one spacer portion. The package body has a first surface provided as a mounting surface, a second surface located opposite to the first surface, side surfaces located between the first surface and the second surface, and a concave portion formed at one of the side surfaces corresponding to the light emitting surface.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: November 15, 2011
    Assignee: Samsung LED Co., Ltd.
    Inventors: Ho Young Song, Won Soo Ji, Won Ho Jung, Young Jin Cho, Hyun Kyung Kim
  • Method for recovering basic input output system and computer device thereof
    Patent number: 8060786
    Abstract: A method for recovering a basic input output system (BIOS) and a computer device thereof are disclosed. The computer device includes a motherboard, a power button, a BIOS storage unit, and an embedded controller. The BIOS storage unit is disposed on the motherboard, and it stores a first boot block code and a second boot block code. When the computer device is connected with a power supply to supply standby power to the motherboard, and the power button is not pressed, the embedded controller detects whether the first boot block code is damaged. If the first boot block code is damaged, the embedded controller recovers the first boot block code via the second boot block code.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: November 15, 2011
    Assignee: Asustek Computer Inc.
    Inventors: Yen-Ting Chou, Jin-En Liao
  • High-speed optical interconnection device
    Patent number: 8058658
    Abstract: Provided is a high-speed optical interconnection device. The high-speed optical interconnection device includes a first semiconductor chip, light emitters, optical detectors, and a second semiconductor chip, which are disposed on a silicon-on-insulator (SOI) substrate. The light emitters receive electrical signals from the first semiconductor chip to output optical signals. The optical detectors detect the optical signals to convert the optical signals into electrical signals. The second semiconductor chip receives the electrical signals converted by the optical detectors.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: November 15, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang-Heung Lee, Hae Cheon Kim, Dong Min Kang, Dong-Young Kim, Jae Kyoung Mun, Hokyun Ahn, Jong-Won Lim, Woo Jin Chang, Hong Gu Ji, Eun Soo Nam
  • Bicycle shift control device
    Patent number: 8056438
    Abstract: A bicycle shift control device includes a housing, at least one operating lever, a rotatable member, a flexible elongated member, and a gear indicator portion having a window. The rotatable member has a guide member and is disposed within the housing. The rotatable member is configured to rotate in response to movement of the at least one operating lever. The flexible elongated member has a first end portion and a second end portion. The first end portion is connected to the rotatable member for movement therewith and extends at least part-way along the guide portion of the rotatable member. The second end portion is configured for movement along the gear indicator portion with at least a tip of the second end portion of the flexible elongated member being visible through the window of the gear indicator portion.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: November 15, 2011
    Assignee: Shimano Components (Malaysia) SDN. BHD.
    Inventors: Chan Jin Lim, Seng Loong Ng, Mohd Arif Husin
  • Neural device using at least one nano-wire
    Patent number: 8060217
    Abstract: The present invention relates to a neural device comprising wires transmitting and receiving electric signals. More specifically, the present invention relates to a structure of the neural device comprising wires which effectively obtain electric signals developed in nerve fibers and transmit electric stimuli to the nerve fibers. The neural device according to the present invention is connected to a processing module processing electric signals detected from nerve fibers, and the neural device is inserted in nerve fibers via nanowires to obtain electric signals from the nerve fibers, or inserted in the nerve fibers to transmit electric stimuli. The neural device may further provide with at least one through-hole and support. The neural device according to the present invention has an advantage that may obtain electric signals without killing nerve fibers or provide them with electric stimuli.
    Type: Grant
    Filed: February 18, 2008
    Date of Patent: November 15, 2011
    Assignee: Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Seung Han Park, Jong Il Hong, Jae Young Choi, Heon Jin Choi
  • Method, apparatus and computer program product providing soft iterative recursive least squares (RLS) channel estimator
    Patent number: 8060803
    Abstract: Disclosed is an apparatus having a detector for an iterative LDPC-coded MIMO-OFDM system, where the detector is configured to use a structured irregular LDPC code in conjunction with a belief propagation algorithm. Also disclosed is an apparatus having a detector for a structured irregular LDPC-coded MIMO-OFDM system, where the detector is configured to use an iterative Recursive Least Squares-based data detection and channel estimation technique. Corresponding methods and computer program products are also disclosed.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: November 15, 2011
    Assignee: Nokia Corporation
    Inventor: Kyeong Jin Kim
  • Backlight assembly with improved brightness uniformity and display apparatus having the same
    Patent number: 8057066
    Abstract: A backlight assembly and a display apparatus having the backlight assembly are disclosed. A diffusion plate is provided above a plurality of lamps. Diffusion patterns that cause contrast inversion and diffusion patterns that do not cause contrast inversion are arranged on a surface of a diffusion plate, in an alternating manner along a longitudinal direction of the lamps. Thus, a brightness difference between a first area in which the lamps are positioned and a second area between two adjacent lamps is reduced, thereby improving a brightness uniformity of light from the backlight assembly.
    Type: Grant
    Filed: July 21, 2009
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byung-Yun Joo, Min-Young Song, Sang-Hoon Lee, Dong-Kwan Kim, Jin-Sung Choi
  • Structure of discharging refrigerant for linear compressor
    Patent number: 8057200
    Abstract: The present invention discloses a linear compressor in which a piston is linearly reciprocated inside a cylinder, for sicking a refrigerant into a compression space between the piston and the cylinder, and compressing and discharging the refrigerant, and especially, a structure of discharging the refrigerant for the linear compressor which can reduce a pulsation of a high pressure discharged refrigerant, by making the refrigerant compressed in the compression space flow from a sub-discharge space with a relatively small volume to a sub-discharge space with a relatively large volume in a discharge chamber. As a result, the structure of discharging the refrigerant for the linear compressor can efficiently reduce noise and vibration.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: November 15, 2011
    Assignee: LG Electronics Inc.
    Inventors: Kyoung-Seok Kang, Yangjun Kang, Jong-Koo Lee, Jin-taek Oh, Min-Woo Lee, Kwang-Wook Kim, Gye-Young Song
  • Printed circuit board and manufacturing method thereof
    Patent number: 8058558
    Abstract: A printed circuit board and a manufacturing method thereof are disclosed. Using a method of manufacturing a printed circuit board which includes forming a circuit pattern, which includes lands, on a first board; forming a paste bump on the land of the first board; and stacking an insulation on a surface of the first board such that the paste bump penetrates the insulation, where the paste bump is formed to cover the land of the first board, the areas of the lands can be reduced to manufacture a printed circuit board of high density, and the contact reliability can be increased due to the increase in contact area between the lands and paste bumps to improve the performance of the high-density printed circuit-board.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: November 15, 2011
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jee-Soo Mok, Dong-Jin Park, Jun-Heyoung Park, Ki-Hwan Kim, Sung-Young Kim
  • Apparatus and method for estimating cell load in wireless communication system
    Patent number: 8059605
    Abstract: An apparatus and method for estimating a cell load in a wireless communication system are provided. The apparatus includes a ranging response counter, a load estimator, an FA handover determiner, a data rate determiner, and a handover determiner. The ranging response counter counts the number of ranging response messages that are received during one period of periodic ranging. The load estimator estimates a cell load on the basis of the number of the ranging response messages. The FA handover determiner determines an FA handover on the basis of the cell load from the load estimator. The data rate determiner controls a data rate of a service on the basis of the cell load from the load estimator and requests the controlled data rate to the system. The handover determiner controls handover parameters on the basis of the cell load from the load estimator.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: November 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hye-Jin Yeou, Tae-Ik Song, Bong-Gee Song, Jong-Han Lim
  • Additive of electrode for fuel cell, electrode for fuel cell including the same, manufacturing method thereof, and fuel cell using the same
    Patent number: 8057959
    Abstract: Provided are an additive to an electrode for a fuel cell that is a proton conductive compound having at least one phosphate group, an electrode for a fuel cell including the same, a method of manufacturing the electrode for a fuel cell, and a fuel cell using the electrode. The additive to an electrode for a fuel cell improves the durability of a fuel cell and reduces the amount of phosphoric acid discharged during operation of the fuel cell by fixing the phosphoric acid. Accordingly, a fuel cell having improved efficiency may be prepared using the additive because of improved proton conductivity and durability.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: November 15, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myung-jin Lee, Suk-gi Hong, Myung-dong Cho
  • Polymer electrolyte membrane, method of manufacturing the same and fuel cell including the polymer electrolyte membrane
    Patent number: 8057952
    Abstract: A polymer electrolyte membrane, a method of manufacturing the same, and a fuel cell including the polymer electrolyte membrane are provided, wherein the polymer electrolyte forms an interpenetrating polymer network (IPN) of a polymer by simple blending of a hydrophobic polyimide having a reactive terminal group and a hydrophilic aromatic polymer having ion conductivity. The polymer electrolyte membrane has reduced swelling properties due to highly dense crosslinking of polyimide through the reactive terminal group, shows high ion conductivity at low humidity, and has methanol crossover suppressing ability. Accordingly, a fuel cell with improved electric and mechanical properties can be provided.
    Type: Grant
    Filed: January 8, 2007
    Date of Patent: November 15, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Myung-sup Jung, Sang-kook Mah, Do-yun Kim, Jin-gyu Lee