Patents by Inventor Won Joo

Won Joo 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).

  • METHOD FOR GROUPING REGION OF INTEREST OF MASK PATTERN AND MEASURING CRITICAL DIMENSION OF MASK PATTERN USING THE SAME
    Publication number: 20160077517
    Abstract: A method for measuring a critical dimension of a mask pattern, including generating a mask pattern using an optically proximity-corrected (OPC) mask design including at least one block; measuring a first critical dimension of a target-region of interest (target-ROI) including neighboring blocks having a same critical dimension (CD), in the mask pattern; determining a group region of interest including the target-ROI and at least one neighboring block adjacent to the target-ROI; measuring second CDs of the neighboring blocks of the group region of interest; and correcting a measuring value of the first CD using a measuring value of the second CDs.
    Type: Application
    Filed: May 13, 2015
    Publication date: March 17, 2016
    Inventors: Hyung-Joo LEE, Won-Joo PARK, Seuk-Hwan CHOI, Byung-Gook KIM, Dong-Hoon CHUNG
  • Device for detecting abnormality in refrigeration cycle of refrigerator and method therefor
    Patent number: 9273898
    Abstract: The present disclosure relates to a device and method for detecting an abnormality in a refrigeration cycle of a refrigerator that is capable of detecting whether connection pipes disposed between a refrigerant passage valve and a freezer evaporator and between the refrigerant passage valve and a cold room evaporator are blocked and switched.
    Type: Grant
    Filed: April 3, 2013
    Date of Patent: March 1, 2016
    Assignee: DONGBU DAEWOO ELECTRONICS CORPORATION
    Inventor: Won Joo Kwon
  • Input buffer and memory device including the same
    Patent number: 9214202
    Abstract: An input buffer includes a first buffer, a feedback circuit and a second buffer circuit. The feedback circuit includes a feedback resistor and a feedback inverter. The first buffer may be configured to output an amplification signal to an output node of the first buffer based on an input signal. The feedback circuit connected to the output node of the first buffer may be configured to control the amplification signal. The second buffer circuit may be configured to output a buffer output signal by buffering the amplification signal. The feedback resistor may receive the amplification signal from the output node of the first buffer and provide a feedback signal to a feedback node. The feedback inverter is connected between the feedback node and the output node. The feedback inverter may be configured to control the amplification signal based on the feedback signal.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: December 15, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Shim, Seung-Jun Bae, Won-Joo Yun
  • INPUT BUFFER AND MEMORY DEVICE INCLUDING THE SAME
    Publication number: 20150325274
    Abstract: An input buffer includes a first buffer, a feedback circuit and a second buffer circuit. The feedback circuit includes a feedback resistor and a feedback inverter. The first buffer may be configured to output an amplification signal to an output node of the first buffer based on an input signal. The feedback circuit connected to the output node of the first buffer may be configured to control the amplification signal. The second buffer circuit may be configured to output a buffer output signal by buffering the amplification signal. The feedback resistor may receive the amplification signal from the output node of the first buffer and provide a feedback signal to a feedback node. The feedback inverter is connected between the feedback node and the output node. The feedback inverter may be configured to control the amplification signal based on the feedback signal.
    Type: Application
    Filed: March 11, 2015
    Publication date: November 12, 2015
    Inventors: Yong SHIM, Seung-Jun BAE, Won-Joo YUN
  • White light emitting device
    Patent number: 9181471
    Abstract: A light emitting device including: a blue light source; a phosphor; and a semiconductor nanocrystal, and emits white light having a R1-R8 average color rendering index (“CRI”) of greater than or equal to about 90, and a R9 red color rendering index (R9) of greater than or equal to about 90.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: November 10, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun A Kang, Oul Cho, Eun Joo Jang, Hyo Sook Jang, Shin Ae Jun, Soo Kyung Kwon, Won Joo Lee
  • Method and apparatus for inputting characters in a mobile communication terminal
    Patent number: 9176659
    Abstract: A method and apparatus which efficiently inputs characters through a touch screen in a mobile communication terminal is provided. The method, for inputting characters through a touch screen in a mobile communication terminal, includes displaying a virtual keyboard including a plurality of keyboard keys on the touch screen in response to a character input request, inputting an input signal through the touch screen; and inputting a corresponding character, if the input signal is a click signal. If the input signal is a drag signal, the virtual keyboard is moved. Therefore, the character input method and apparatus display a virtual keyboard that is greater than the touch screen and thus reduce the user character input errors.
    Type: Grant
    Filed: April 14, 2008
    Date of Patent: November 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won Joo Park, Yu Ran Kim, Mi Jung Park
  • Film for backlight unit and backlight unit and liquid crystal display including same
    Patent number: 9158149
    Abstract: A film for a backlight unit including a semiconductor nanocrystal-polymer composite film including a semiconductor nanocrystal and a matrix polymer in which the semiconductor nanocrystal is dispersed, wherein the matrix polymer is a polymer produced by a polymerization of a multifunctional photo-curable oligomer, a mono-functional photo-curable monomer, and a multifunctional photo-curable cross-linking agent, the multifunctional photo-curable oligomer has an acid value of less than or equal to about 0.1 mg of KOH/g, and a content (A1) of a first structural unit derived from the multifunctional photo-curable oligomer, a content (A2) of a second structural unit derived from the mono-functional photo-curable monomer, and a content (A3) of a third structural unit derived from the multifunctional photo-curable cross-linking agent satisfy Equation 1: A1<(A2+A3).
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: October 13, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chul Ho Jung, Hyun A Kang, Soo Kyung Kwon, Won Joo Lee, Eun Joo Jang, Hyo Sook Jang, Shin Ae Jun, Oul Cho, In Taek Han
  • Method and apparatus for controlling content on remote screen
    Patent number: 9158391
    Abstract: There is provided a mobile terminal with a camera, such as a smart phone, capable of controlling the functions of a remote screen and content displayed on the remote screen. The mobile terminal defines a remote screen area in an image obtained by capturing the remote screen, receives remote screen resource information, and performs screen mapping between the remote screen area and the remote screen using the remote screen resource information. If it receives a user input signal related to the remote screen area, the mobile terminal generates event information for controlling an object based on the results of the screen mapping, and transmits the event information to a remote apparatus with the remote screen. The remote apparatus processes the event information and controls the object.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: October 13, 2015
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Moon-Soo Lee, Min-Jung Kim, Sun-Joong Kim, Kee-Seong Cho, Won-Joo Park, Won Ryu
  • FILM FOR BACKLIGHT UNIT AND BACKLIGHT UNIT AND LIQUID CYRSTAL DISPLAY INCLUDING SAME
    Publication number: 20150286094
    Abstract: A film for a backlight unit including a semiconductor nanocrystal-polymer composite film including a semiconductor nanocrystal and a matrix polymer in which the semiconductor nanocrystal is dispersed, wherein the matrix polymer is a polymer produced by a polymerization of a multifunctional photo-curable oligomer, a mono-functional photo-curable monomer, and a multifunctional photo-curable cross-linking agent, the multifunctional photo-curable oligomer has an acid value of less than or equal to about 0.1 mg of KOH/g, and a content (A1) of a first structural unit derived from the multifunctional photo-curable oligomer, a content (A2) of a second structural unit derived from the mono-functional photo-curable monomer, and a content (A3) of a third structural unit derived from the multifunctional photo-curable cross-linking agent satisfy Equation 1: A1<(A2+A3)??Equation 1.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 8, 2015
    Inventors: Chul Ho JUNG, Hyun A KANG, Soo Kyung KWON, Won Joo LEE, Eun Joo JANG, Hyo Sook JANG, Shin Ae JUN, Oul CHO, In Taek HAN
  • Oil filter system for vehicle
    Patent number: 9133742
    Abstract: An oil filter system for a vehicle may provided at a cylinder block of an engine for collecting engine oil from a blow-by gas generated in a crank case. The oil filter system may include a blow-by path to recirculate the blow-by gas so that the blow-by gas generated in the crank case is combusted together with a fuel-air mixture, a filter case that is a space formed between the crank case and the blow-by path, a filter partition disposed to divide the filter case into two spaces, and configured to collect the engine oil contained in the blow-by gas, and an oil pan mounted in the cylinder block for collecting the engine oil that have been collected by the filter partition. The filter partition may collect the engine oil in a forward direction flow and a reverse direction flow of the blow-by gas.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: September 15, 2015
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Yun Sung Hwang, Kyu Sup Kim, Won Joo Roh, Bong Whoa Jeong
  • Sensor, data processing system, and operating method
    Patent number: 9118856
    Abstract: An image sensor includes a unit pixel including a plurality of color pixels with a depth pixel. A first signal line group of first signal lines is used to supply first control signals that control operation of the plurality of color pixels, and a separate second signal line group of second signal lines is used to supply second control signals that control operation of the depth pixel.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: August 25, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won Joo Kim, Hyoung Soo Ko, Doo Cheol Park, Hee Woo Park, Kwang-Min Lee, Ju Hwan Jung
  • Unit pixels, depth sensors and three-dimensional image sensors including the same
    Patent number: 9103722
    Abstract: A unit pixel of a depth sensor includes a light-receiver configured to perform photoelectric conversion of an incident light to output an electrical signal and at least two sensors adjacent to the light-receiver to receive the electrical signal from the light-receiver such that a line connecting the sensors forms an angle greater than zero degrees with respect to a first line, the first line passing through a center of the light-receiver in a horizontal direction.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: August 11, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyoung-Soo Ko, Shin-Wook Yi, Won-Joo Kim, Ju-Hwan Jung
  • 3D CMOS image sensors, sensor systems including the same
    Patent number: 9035309
    Abstract: A three-dimensional (3D) CMOS image sensor (CIS) that sufficiently absorbs incident infrared-rays (IRs) and includes an infrared-ray (IR) receiving unit formed in a thin epitaxial film, thereby being easily manufactured using a conventional CIS process, a sensor system including the 3D CIS, and a method of manufacturing the 3D CIS, the 3D CIS including an IR receiving part absorbing IRs incident thereto by repetitive reflection to produce electron-hole pairs (EHPs); and an electrode part formed on the IR receiving part and collecting electrons produced by applying a predetermined voltage thereto.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: May 19, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-soo Park, Won-joo Kim, Kyoo-chul Cho, Gi-jung Kim, Sam-jong Choi
  • Method of fabricating microlens, and depth sensor including microlens
    Patent number: 9029785
    Abstract: A method of fabricating a microlens includes forming layer of photoresist on a substrate, patterning the layer of photoresist, and then reflowing the photoresist pattern. The layer of photoresist is formed by coating the substrate with liquid photoresist whose viscosity is 150 to 250 cp. A depth sensor includes a substrate and photoelectric conversion elements at an upper portion of the substrate, a metal wiring section disposed on the substrate, an array of the microlenses for focusing incident light as beams onto the photoelectric conversion elements and which beams avoid the wirings of the metal wiring section. The depths sensor also includes a layer presenting a flat upper surface on which the microlenses are formed. The layer may be a dedicated planarization layer or an IR filter, interposed between the microlenses and the metal wiring section.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Doo Cheol Park, Seung Hyuk Chang, Myung-Sun Kim, Won Joo Kim, Ju Hwan Jung, Seung Hoon Lee, Kwang-Min Lee, Hyoung Soo Ko
  • SENSING PIXEL AND IMAGE SENSOR INCLUDING THE SAME
    Publication number: 20150122973
    Abstract: Disclosed are a sensing pixel and an image sensor including the same. The sensing pixel includes a determination region, which includes one or more floating body transistors, and an integration region that is adjacent to a floating body region of one of the one or more floating body transistors, absorbs light to generate an electron-hole pair including an electron and a positive hole, and transfers the electron or the positive hole to the floating body region of the one floating body transistor.
    Type: Application
    Filed: November 5, 2014
    Publication date: May 7, 2015
    Inventors: Seoung-hyun Kim, Won-joo Kim, Young-gu Jin
  • Method of measuring critical dimension of pattern and apparatus for performing the same
    Patent number: 8988521
    Abstract: In a method of measuring a critical dimension of a pattern, a pattern image is obtained from an object pattern. A design pattern of the object pattern and the pattern image are matched to determine a detection region on the pattern image. An optimum turning point of the pattern contour is determined in the detection region and a ROI (region of interest) is set within a predetermined range from the optimum turning point. A critical dimension of the pattern is measured in the ROI.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: March 24, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-June Yoon, Hyung-Joo Lee, Won-Joo Park
  • UNIT PIXELS, DEPTH SENSORS AND THREE-DIMENSIONAL IMAGE SENSORS INCLUDING THE SAME
    Publication number: 20150069244
    Abstract: A unit pixel of a depth sensor includes a light-receiver configured to perform photoelectric conversion of an incident light to output an electrical signal and at least two sensors adjacent to the light-receiver to receive the electrical signal from the light-receiver such that a line connecting the sensors forms an angle greater than zero degrees with respect to a first line, the first line passing through a center of the light-receiver in a horizontal direction.
    Type: Application
    Filed: November 14, 2014
    Publication date: March 12, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyoung-Soo KO, Shin-Wook YI, Won-Joo KIM, Ju-Hwan JUNG
  • METHOD OF RECEIVING OR TRANSMITTING A PACKET, TERMINAL THEREOF, AND SYSTEM THEREOF
    Publication number: 20150063092
    Abstract: A method of receiving a packet by a receiving terminal is provided. The method includes receiving one or more packets including information about an event which belongs to a same kind of event from a transmitting terminal, and selecting at least one packet from among the received one or more packets based on time information of a certain point of time at the certain point of time.
    Type: Application
    Filed: August 4, 2014
    Publication date: March 5, 2015
    Inventors: Min-suk CHOI, Woo-jin PARK, Hun-je YEON, Van canh NGUYEN, Islam MOHAMMAD ZUBERUL, Won-joo PARK, Jin-wook LEE, Jin-guk JEONG
  • METHOD FOR CONTROLLING REFRIGERATOR
    Publication number: 20150047376
    Abstract: A method for controlling an operation of a refrigerator includes circulating and/or supplying a refrigerant to a refrigeration chamber evaporator and a freezer chamber evaporator, determining whether to stop an operation of the compressor a predetermined time from or after an initial driving point in circulating and/or supplying the refrigerant; opening a refrigeration chamber switching valve, a freezer chamber switching valve and/or a refrigerant flow path valve, and subsequently closing the valve(s) when it is determined that the compressor should be stopped; and stopping the compressor after opening the refrigeration chamber switching valve, the freezer chamber switching valve and/or the refrigerant flow path valve.
    Type: Application
    Filed: July 10, 2014
    Publication date: February 19, 2015
    Inventor: Won Joo KWON
  • PARALLEL TREE LABELING APPARATUS AND METHOD FOR PROCESSING XML DOCUMENT
    Publication number: 20150032764
    Abstract: A parallel tree labeling apparatus and method for processing an eXtensible Markup Language document (XML). The parallel tree labeling apparatus for processing an XML document includes a data distributor configured to divide the XML document into a plurality of data blocks; and a labeling component configured to receive elements of each of the plurality of data blocks, perform a labeling procedure on the plurality of data blocks in parallel, and generate a final label by combining partial labels.
    Type: Application
    Filed: July 28, 2014
    Publication date: January 29, 2015
    Inventors: Kyong-Ha LEE, Hye-Bong CHOI, Won-Joo PARK, Kee-Seong CHO, Won RYU