Patents by Inventor Yong-Seok Choi

Yong-Seok Choi 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).

  • Patent number: 9209785
    Abstract: A remote control apparatus which includes a first operation unit including a first key part having a plurality of keys operable when the remote control is in a first mode, a first control unit to generate a key signal corresponding to a key input through the first key part and a first transmission unit to transmit the key signal to the image apparatus, and a second operation unit including a second key part provided on a surface of the remote control apparatus, the second key part is different from the first key part and has a plurality of keys to be manipulated when the remote control is in a second mode, a second control unit to generate a key signal corresponding to a key input through the second key part, and a second transmission unit to transmit the key signal to the image apparatus.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: December 8, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Yong Seok Choi
  • Patent number: 9183774
    Abstract: A display apparatus is disclosed. In one aspect the apparatus includes an encoder configured to encode a Nth first image data, where N is an integer of 2 or greater and a (N?1)th second image data at different rates. The display further includes a memory configured to store the encoded Nth first image data and the encoded (N?1)th second image data, a decoder configured to decode the encoded Nth first image data and the encoded (N?1)th second image data received from the memory and, an image processor configured to perform color processing on the decoded Nth first image data. It also includes an image converter configured to convert the Nth first image data received from the image processor into Nth second image data and an image quality enhancer configured to enhance image quality of the Nth second image data based on the decoded (N?1)th second image data.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: November 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Woong Park, Yong-Seok Choi, Byung-Hyun Kim, Geun-Young Jeong, Ju-Hyung Lee
  • Patent number: 9171496
    Abstract: An image control technology that enables low power consumption with less compromise in the overall quality of the image is disclosed, in which color information of an image is saved while minimizing degradation of picture quality, and improving text readability. In one aspect, an image control display device includes an image controller configured to measure at least one of luminance values and chroma values of pixels of an input image. In addition, the image controller is configured to detect an edge using the at least one of luminance and chroma values and is configured to invert color information of the input image into inverted image data. The image controller is further configured to generate output image data comprising an inverted region and an exception region, where the inverted region displays the inverted image data and the exception region displays uninverted input image data.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: October 27, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Woong Park, Byung-Ki Chun, Yong-Seok Choi
  • Patent number: 9166115
    Abstract: A semiconductor light emitting device package including a main body including a supporting member and an outside member on the supporting member; at least one semiconductor light emitting device disposed on the supporting member in which the outside member at least partially surrounds the at least one semiconductor light emitting device; first and second electrodes, at least one electrode of the first and second electrodes at least partially extending under the at least one semiconductor light emitting device; a metallic member disposed under the at least one semiconductor light emitting device and extending beyond outside edges of the at least one semiconductor light emitting device; a first molding part surrounded by the outside member and covering the at least one semiconductor light emitting device; and a second molding part disposed on the first molding part, the second molding part formed in a domed shape.
    Type: Grant
    Filed: July 15, 2010
    Date of Patent: October 20, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Yong Seok Choi, Kwang Cheol Lee
  • Publication number: 20150274583
    Abstract: A glass-reinforcing composition and method of using the same, the composition including 1 weight % to 20 weight % of hydrofluoric acid, 0.1 weight % to 5 weight % of ammonium fluoride, 1 weight % to 20 weight % of an inorganic acid, an organic acid, or 1 weight % to 10 weight % of an organic acid salt, and a remainder of water.
    Type: Application
    Filed: September 8, 2014
    Publication date: October 1, 2015
    Inventors: Soo Min AN, Young-Jin Yoon, Gi Yong Nam, Soo Guy Rho, Sang-Duck Park, Kang Bin Yi, Jung Bo Lee, Sang Hun Cho, Sang-Tae Kim, Young-Jun Jin, Yong Seok Choi
  • Publication number: 20150277605
    Abstract: Disclosed is a touch screen panel, including: a glass substrate including an active area and a non-active area; enhancement layers formed on upper and lower surfaces of the glass substrate; sensing patterns disposed on a surface of one of the enhancement layers in the active area; and sensing lines disposed in the non-active area, and electrically connected with the sensing patterns. Here, a side surface of the glass substrate may include a plurality of blunt areas depressed in a shape of a curved surface.
    Type: Application
    Filed: February 13, 2015
    Publication date: October 1, 2015
    Inventors: Soo-Min AN, Young-Jin YOON, Soo-Guy RHO, Sang-Duck PARK, Kang-Bin YI, Jung-Bo LEE, Sang-Hun CHO, Gi-Yong NAM, Young-Joon CHIN, Sang-Tae KIM, Yong-Seok CHOI
  • Publication number: 20150228224
    Abstract: A display device includes a pixel unit including scan lines, data lines crossing the scan lines, and pixels connected to the scan lines and the data lines; a timing control unit configured to receive first data from an outside; a conversion unit configured to receive the first data from the timing control unit, to extract luminance components of the first data corresponding to the pixels to determine luminance distribution of the first data, to divide the luminance distribution into a plurality of luminance distribution ranges, and to convert the first data into second data by regulating an input gray level of the first data based on a conversion equation corresponding to a variation between data of the luminance distribution ranges; and a data drive unit configured to receive the second data from the conversion unit and to provide the second data to the data lines.
    Type: Application
    Filed: December 12, 2014
    Publication date: August 13, 2015
    Inventors: Jong-Woong PARK, Dong-Wook YANG, Won-Woo JANG, Byung-Ki CHUN, Yong-Seok CHOI
  • Patent number: 9105232
    Abstract: A data processing device includes a gamma processor applying a gamma function to grayscale data including red grayscale data, green grayscale data, and blue grayscale data to generate luminance data including red luminance data, green luminance data, and blue luminance data, a first compensation coefficient generator generating a first compensation coefficient, a second compensation coefficient generator calculating a first grayscale ratio of the blue grayscale data and a second grayscale ratio of the red grayscale data, and generating a second compensation coefficient, a data compensation coefficient generator generating a data compensation coefficient by multiplying the first compensation coefficient and the second compensation coefficient, a data compensator generating compensation luminance data by adding the luminance data to a value of the data compensation coefficient multiplied by the luminance data, and an inverse processor generating compensation grayscale data.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byung-Ki Chun, Yong-Seok Choi, Joo-Hyung Lee, Jong-Woong Park, Dong-Wook Yang
  • Patent number: 9099034
    Abstract: An organic light emitting display capable of improving display quality is disclosed. The organic light emitting display includes pixels positioned at intersections of scan lines and data lines, a data driver for generating data signals to be supplied to the data lines using second data, and a data processing unit for generating a second data whose bit value is changed in consideration of brightness distribution of first data items supplied from the outside.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: August 4, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Seok Choi, Byung-Ki Chun, Jeong-Eun Kim, Jong-Woong Park, Joo-Hyung Lee
  • Publication number: 20150191608
    Abstract: A single coating composition providing both anti-bacterial and anti-fouling functions when applied to a product and a method of preparing same. The composition includes a fluorine-based substituent according to the following Formula 1 and at least one ammonium-based substituent according to the following Formula 2: ?CF2O?CF2CF2O?p?CF2O?q???[Formula 1] wherein p and q each independently is an integer of 1 to 100, ?CH2—C(CH3)(COOCH2CH2+N(CH3)2(CH2CH2)xCH3)???[Formula 2] wherein x is an integer of 1 to 20.
    Type: Application
    Filed: December 30, 2014
    Publication date: July 9, 2015
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Byung Ha PARK, Yong Seok CHOI, Soo-Jin PARK, Jong Chan LEE, Yong Suk CHO
  • Publication number: 20150183018
    Abstract: A press apparatus includes a lower die cam base slidably disposed inside of a lower die, and having a lower die pad connected to a upper portion of the lower die cam base; an upper die pad mounted under an upper die through a cushion spring at a position corresponding to the lower die pad; and an upper die cam slide having a cam slide surface formed at a lower portion, a cam surface formed at an upper portion, and a cam steel mounted to the upper die cam slide.
    Type: Application
    Filed: September 19, 2014
    Publication date: July 2, 2015
    Inventor: Yong Seok Choi
  • Patent number: 9071497
    Abstract: An apparatus is used for modulation classification of unknown input signal in a wireless communication system. The apparatus includes a signal classification unit configured to classify the input signal into a PSK signal and an FSK signal and a modulation index decision unit configured to decide a modulation index for the PSK signal and the FSK signal classified by the signal classification unit.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 30, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chung Sup Kim, Ki Cheol Tae, Kanghee Kim, Heung Yong Kang, Soo-Ho Sohn, Yong-Seok Choi, Jae Ick Choi
  • Publication number: 20150180574
    Abstract: Disclosed are an apparatus and method for interfacing between a central processing unit (CPU) and a main memory unit, whereby a shared cache memory unit and the main memory unit are connected to each other using one optical signal transmission line. The apparatus for interfacing between the CPU and the main memory unit includes: a master optical connection protocol engine, converting operation control signals received from a shared cache memory unit of the CPU into serial signals; a first electrical-to-optical (E/O) converter, converting the serial signals converted by the master optical connection protocol engine into optical signals; a second E/O converter, converting the optical signals converted by the first E/O converter into serial signals; a slave optical connection protocol engine, converting the serial signals converted by the second E/O converter into operation control signals; and a memory controller having access to the main memory unit.
    Type: Application
    Filed: November 24, 2014
    Publication date: June 25, 2015
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong-Seok CHOI, Hyuk-Je KWON, Gyung-Ock KIM
  • Publication number: 20150171976
    Abstract: A wideband RF receiver includes a dual mode antenna configured to drive in an active antenna mode when a bias power is supplied thereto and to drive in a passive antenna mode when a power is not supplied thereto; and a hybrid interface apparatus configured to supply the bias power to the dual mode antenna and configured to provide a control signal that enables the dual mode antenna to drive in the active antenna mode or the passive antenna mode. Further, the wideband RF receiver includes a radio measuring and receiving apparatus configured to measure a signal level of an input value that the hybrid interface apparatus outputs the control signal.
    Type: Application
    Filed: March 18, 2014
    Publication date: June 18, 2015
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sang Tae KIM, Haeng Sook RO, Gwangmoon PARK, Seong Yun LEE, Mi-Kyung SUK, Yong-Seok CHOI
  • Publication number: 20150173196
    Abstract: A capacitor embedded substrate and a manufacturing method thereof are disclosed. The capacitor embedded substrate in accordance with an embodiment of the present invention includes: a ceramic layer having a first circuit included therein; a receiving grooved formed on one surface of the ceramic layer; a capacitor being inserted in the receiving groove; a polymer layer being laminated on the ceramic layer in such a way that the capacitor is embedded in the receiving groove and comprising a second circuit electrically connected with the first circuit; and a via electrode being connected with the capacitor by penetrating the polymer layer.
    Type: Application
    Filed: July 17, 2014
    Publication date: June 18, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong-Seok CHOI, Doo-Yun CHUNG, Kwang-Jae OH, Dae-Hyeong LEE
  • Patent number: 9058266
    Abstract: Disclosed herein are a deskew apparatus and method for Peripheral Component Interconnect (PCI) Express for compensating for a skew. The deskew apparatus includes a lane data input unit, a lane data alignment unit, and a lane data detection unit. The lane data input unit receives 18-bit data from each of lanes of the PCI Express. The lane data alignment unit aligns the 18-bit data using a COM symbol. The lane data detection unit detects a change in a state of alignment of the 18-bit data attributable to deletion or addition of an SKP symbol when the 18-bit data is aligned, and to perform synchronization between the lanes.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: June 16, 2015
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Yong-Seok Choi
  • Patent number: 9047812
    Abstract: A display device includes: a plurality of pixels; a degradation compensator for using a temperature weight value for a reference temperature, a luminance weight value for a reference luminance, and a material weight value for a reference material, for calculating a reference using time when a degradation rate of the pixels is changed to a reference degradation rate of a reference degradation curve, and for generating a control variable according to the reference using time; and a power supply for controlling a voltage difference between a first power source voltage for supplying a driving current to the pixels and a second power source voltage according to the control variable.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byung-Ki Chun, Hak-Sun Kim, Yong-Seok Choi, Joo-Hyung Lee, Jong-Woong Park, Bo-Young An, Chang-Ho Hyun
  • Patent number: 9018626
    Abstract: Disclosed herein are a ZnO film structure and a method of forming the same. Dislocation density of a ZnO film grown through epitaxial lateral overgrowth (ELOG) is minimized. In order to block a chemical reaction between the ZnO film and a mask layer at the time of performing the ELOG, a material of the mask layer is AlF3, NaF2, SrF, or MgF2. Therefore, the chemical reaction between ZnO and the mask layer is blocked and a transfer of dislocation from a substrate is also blocked.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: April 28, 2015
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Seong-Ju Park, Yong Seok Choi, Jang-Won Kang, Byeong Hyeok Kim
  • Patent number: 9019189
    Abstract: Disclosed is an image display device capable of reducing power consumption and improving display quality. The image display device includes pixels disposed at portions at which scanning lines and data lines intersect with each other; a scanning driving unit driving the scanning lines; a data driving unit driving the data lines; a driving frequency selecting unit generating a selecting signal including information on a driving frequency using data supplied from an external system; and a timing controlling unit controlling the scanning driving unit and the data driving unit using the driving frequency included in the selecting signal.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: April 28, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yong-Seok Choi
  • Publication number: 20150097876
    Abstract: An image sticking controller includes a gamma conversion unit configured to gamma-convert gray scale values respectively corresponding to a plurality of pixels, and to output the gamma-converted gray scale values as gamma conversion values, a data accumulation unit configured to accumulate the gamma conversion values into an accumulation data, the accumulation data including a minimum accumulation value, a maximum difference value indicating a difference between the minimum accumulation value and a maximum accumulation value, and difference values indicating respective differences between the minimum accumulation value and an accumulation value of each of the pixels, an image sticking analysis unit configured to output an image sticking decrease control signal when the maximum difference value is greater than a reference value, and a data conversion unit configured to convert the gray scale values in response to the image sticking decrease control signal, such that image sticking is reduced.
    Type: Application
    Filed: September 30, 2014
    Publication date: April 9, 2015
    Inventors: Jong-Woong PARK, Won-Woo JANG, Yong-Seok CHOI, Joo-Hyung LEE