Patents by Inventor Joo-Hyung Lee

Joo-Hyung Lee 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).

  • Publication number: 20200177195
    Abstract: An analog-to-digital converter includes a capacitor array including capacitors, an amplifier receiving an input current through an input node and integrating the input current, using the capacitor array, in a first mode, a switch array including switches respectively connected to the capacitors, successive approximation logic performing a successive approximation by selectively connecting each of the capacitors to one of a common voltage and a reference voltage through the switches, in a second mode, a comparator comparing the common voltage with an output of the amplifier and output a pulse signal based on the comparison result, a counter counting the pulse signal in the first mode, a register sequentially storing values of the pulse signal, in the second mode, and error correction logic storing an output of the counter as upper bits and an output of the register as lower bits and performing error correction.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 4, 2020
    Inventors: Young-deuk JEON, MIN-HYUNG CHO, JOO HYUN LEE
  • Publication number: 20200174751
    Abstract: The neuromorphic arithmetic device performs a multiply-accumulate (MAC) calculation using a multiplier and an accumulator. The neuromorphic arithmetic device includes an offset accumulator configured to receive a plurality of offset data measured a plurality of times and accumulate the plurality of offset data, a bit extractor configured to obtain average offset data by extracting at least one first bit from the plurality of accumulated offset data, and a cumulative synapse array configured to accumulate a plurality of multiplication values generated by the multiplier and output a cumulative result of the plurality of multiplication values corrected according to the average offset data.
    Type: Application
    Filed: November 26, 2019
    Publication date: June 4, 2020
    Inventors: Min-Hyung CHO, Young-deuk JEON, Ki Hyuk PARK, Joo Hyun LEE
  • Publication number: 20200168471
    Abstract: A method for wafer planarization includes forming a second insulating layer and a polishing layer on a substrate having a chip region and a scribe lane region; forming a first through-hole in the polishing layer in the chip region and the scribe lane region and a second through-hole in the second insulating layer in the chip region, wherein the second through-hole and the first through-hole meet in the chip region; forming a pad metal layer inside the first through-hole and the second through-hole and on an upper surface of the polishing layer; and polishing the polishing layer and the pad metal layer by a chemical mechanical polishing (CMP) process to expose an upper surface of the second insulating layer in the chip region and the scribe lane region
    Type: Application
    Filed: June 12, 2019
    Publication date: May 28, 2020
    Inventors: JOO HEE JANG, Seok Ho Kim, Hoon Joo NA, Kwang Jin Moon, Jae Hyung Park, Kyu Ha Lee
  • Patent number: 10659950
    Abstract: The present disclosure relates to a 5G or a pre-5G communication system to be provided in order to support a higher data transmission rate than a 4G communication system such as LTE. The present invention provides a method for receiving, by a terminal, a mobile end service in a communication system, the method including: a step of ascertaining whether there exists a continuously available service among services which have been provided from a serving base station, on the basis of a list of supported services received from a target base station; and in the case that there exists a continuously available service, a step of transmitting a service area update request to the target base station via a connection layer if the continuously available service supports a mobile end service.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-Na Lim, Jung-Shin Park, Joo-Hyung Lee, Jin-Sung Lee
  • Patent number: 10649639
    Abstract: A method and device for executing an object on a display. The method of executing an object includes receiving a user input to an object displayed on a display; gradually enlarging and displaying the object; and executing the application corresponding to the object as the object is enlarged.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: May 12, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se-hee Han, Jun-hyung Kim, Jong-hyun Ryu, Jong-hyo Lee, Joo-yeol Lee, Ji-hye Lee
  • Publication number: 20200124561
    Abstract: Provided is a heavy metal detecting sensor. The heavy metal detecting sensor includes an electrode and a plurality of amyloid fibers disposed on the electrode, wherein an amount of a redox current of the electrode decreases when the plurality of amyloid fibers react with heavy metal ions.
    Type: Application
    Filed: October 18, 2019
    Publication date: April 23, 2020
    Applicant: Korea University Research and Business Foundation, Sejong Campus
    Inventors: Jin Sung PARK, Joo Hyung PARK, Won Seok LEE, Gyu Do LEE
  • Publication number: 20200105323
    Abstract: A data receiving circuit may include: a variable delay circuit suitable for generating a delayed strobe signal by delaying a strobe signal; a receiving circuit suitable for sampling data in synchronization with the delayed strobe signal; a phase shift circuit suitable for generating a shifted strobe signal by shifting a phase of the delayed strobe signal; a phase comparison circuit suitable for comparing phases of the data and the shifted strobe signal; and a delay adjusting circuit suitable for adjusting a delay value of the variable delay circuit in response to the phase comparison result of the phase comparison circuit.
    Type: Application
    Filed: September 25, 2019
    Publication date: April 2, 2020
    Inventors: Suhwan KIM, Deog-Kyoon JEONG, Sang-Yoon LEE, Joo-Hyung CHAE, Chang-Ho HYUN
  • Patent number: 10608251
    Abstract: The present disclosure relates to a positive electrode active material which reduces lithium by-products and improves structural stability and includes a lithium-nickel based transition metal composite oxide in which an alkaline earth metal having oxidation number of +2 is doped and a phosphate coated layer formed on the outer surface of the composite oxide. Accordingly, a second battery including the positive electrode active material has excellent capacity characteristics, and also improves structural stability during charging/discharging and prevents swelling, thereby being capable of exhibiting excellent life characteristics. Therefore, the present invention may be easily applied to industry in need thereof, and particularly to electric vehicles industry requiring high capacity and long-term life characteristics.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: March 31, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jin Hyung Lim, Ho Suk Shin, Dong Hun Lee, Hyun Jin Oh, Joo Hong Jin, Wang Mo Jung
  • Patent number: 10586969
    Abstract: Disclosed are a separator and an electrochemical device comprising the same, the separator comprising: a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate or at least one surface of the porous substrate and a portion of the pore, the porous coating layer containing a plurality of inorganic particles and a binder polymer disposed on a part or the entirety of a surface of the inorganic particle to connect and fix the inorganic particles, wherein the inorganic particle comprises an alumina particle and an aluminum hydroxide particle having a smaller average particle diameter than the alumina particle.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: March 10, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Dong-Wook Sung, Min-Hyung Kim, In-Hyouk Sung, Hyun-Kyung Shin, Ji-Eun Lee, Joo-Sung Lee
  • Patent number: 10560389
    Abstract: Methods and apparatuses for controlling transmission control protocol (TCP) send buffers in communication systems are provided. The method includes identifying a current round-trip time (RTT) value and a minimum RTT value in the TCP and adjusting a size of the send buffer based on at least one of a current operation, the current RTT value, and the minimum RTT value in a congestion control scheme according to the TCP.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: February 11, 2020
    Assignees: Samsung Electronics Co., Ltd., The Regents of the University of Colorado A Body Corporate
    Inventors: Jin-Sung Lee, Young-Bin Im, Sangtae Ha, Sang-Jun Moon, Jung-Shin Park, Ji-Cheol Lee, Joo-Hyung Lee
  • Patent number: 10554211
    Abstract: A data receiver circuit may include: a delay circuit suitable for delaying first and second strobe signals and generating delayed first and second strobe signals; a first receiver circuit suitable for sampling data in synchronization with the delayed first strobe signal; a second receiver circuit suitable for sampling the data in synchronization with the delayed second strobe signal; an enable signal generation circuit suitable for generating an enable signal indicating whether the data transitioned; a transition level generation circuit suitable for generating a transition level signal indicating a transition direction of the data; a phase shift circuit suitable for shifting the phase of the delayed first strobe signal by a set degree and generating a shifted first strobe signal; a sampling circuit suitable for sampling the data in synchronization with the shifted first strobe signal and generating a sampling result; and a control logic suitable for changing a delay value of the delay circuit in response to
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: February 4, 2020
    Assignees: SK hynix Inc., Seoul National Universitv R&DB Foundation
    Inventors: Suhwan Kim, Deog-Kyoon Jeong, Sang-Yoon Lee, Joo-Hyung Chae, Chang-Ho Hyun
  • Publication number: 20200037147
    Abstract: The present disclosure relates to a 5G or a pre-5G communication system to be provided in order to support a higher data transmission rate than a 4G communication system such as LTE. The present invention provides a method for receiving, by a terminal, a mobile end service in a communication system, the method including: a step of ascertaining whether there exists a continuously available service among services which have been provided from a serving base station, on the basis of a list of supported services received from a target base station; and in the case that there exists a continuously available service, a step of transmitting a service area update request to the target base station via a connection layer if the continuously available service supports a mobile end service.
    Type: Application
    Filed: October 7, 2019
    Publication date: January 30, 2020
    Inventors: Han-Na Lim, Jung-Shin Park, Joo-Hyung Lee, Jin-Sung Lee
  • Publication number: 20200027398
    Abstract: An organic light-emitting display includes: a display panel including first and second pixels, each having an organic light-emitting diode; and a data driver including a first operational amplifier having a non-inverting terminal coupled to a reference voltage terminal and an inverting terminal coupled to the first pixel, and a second operational amplifier having a non-inverting terminal coupled to the reference voltage terminal and an inverting terminal coupled to the second pixel. The first pixel includes a sensing transistor, a first driving transistor, and a first switch transistor. The second pixel includes a second driving transistor and a second switch transistor.
    Type: Application
    Filed: September 27, 2019
    Publication date: January 23, 2020
    Inventors: Oh Jo Kwon, Joo Hyung Lee, Kyung Youl Min
  • Patent number: 10529985
    Abstract: Provided are a method of preparing a cathode active material including coating a surface of a lithium transition metal oxide with a lithium boron oxide by dry mixing the lithium transition metal oxide and a boron-containing compound and performing a heat treatment, and a cathode active material prepared thereby. A method of preparing a cathode active material according to an embodiment of the present invention may easily transform lithium impurities present in a lithium transition metal oxide into a structurally stable lithium boron oxide by performing a heat treatment near the melting point of a boron-containing compound. Also, a coating layer may be formed in which the lithium boron oxide is uniformly coated in an amount proportional to the used amount of the boron-containing compound even at a low heat treatment temperature.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: January 7, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Jin Oh, Ho Suk Shin, Jin Hyung Lim, Dong Hun Lee, Joo Hong Jin, Wang Mo Jung
  • Patent number: 10509151
    Abstract: Provided are light source module and backlight unit. A wire grid polarizer including a substrate, and a plurality of conductive wire patterns configured to be formed parallel to one another on the substrate, wherein each of the conductive wire patterns includes a first conductive wire pattern, an insulating layer and a second conductive wire pattern and the first and second conductive wire patterns are electrically insulated from each other and have different shapes.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yun Jong Yeo, Jung Ha Son, Joo Hyung Lee, Hyung Bin Cho
  • Publication number: 20190373042
    Abstract: The present disclosure relates to a communication technique for converging IoT technology with a 5G communication system for supporting a higher data transmission rate than a 4G system, and a system therefor. The present disclosure may be applied to intelligent services based on 5G communication technology and IoT-related technology (e.g. smart homes, smart buildings, smart cities, etc.). A method for receiving image data for a virtual-reality streaming service by an electronic device according to an embodiment of the present invention comprises: a step in which the electronic device determines whether to execute an adaptive virtual-reality streaming service on the basis of a bandwidth state; and a step in which, if it is determined to execute the adaptive virtual-reality streaming service, the electronic device requests and receives, from a server, the image data for the adaptive virtual-reality streaming service on the basis of head-tracking information and bandwidth information collected in advance.
    Type: Application
    Filed: August 16, 2019
    Publication date: December 5, 2019
    Inventors: Jung-Shin PARK, Joo-Hyung LEE, Ji-Cheol LEE, Han-Na LIM, Jin-Sung LEE, Hyung-Ho LEE
  • Patent number: 10492097
    Abstract: The present disclosure relates to a 5G or a pre-5G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. A method for controlling TCP congestion in a communication system provided in the present disclosure comprises the steps of: determining the maximum transmission rate of a network, while increasing the size of a congestion window at a predetermined time interval; determining a threshold transmission rate which is determined by a preset ratio with regard to the determined maximum transmission rate; and adjusting the size of the congestion window such that the current transmission rate is not less than the threshold transmission rate and the delay time is no longer than the maximum allowable delay time.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: November 26, 2019
    Assignees: Samsung Electronics Co., Ltd., Ulsan National Institute of Science and Technology
    Inventors: Jin-Sung Lee, Kyunghan Lee, Jung-Shin Park, Han-Na Lim, Joo-Hyung Lee
  • Patent number: 10489675
    Abstract: Provided herein is a robust region segmentation method and a system using the same, the method including receiving setting of an image in an input image; calculating representative values for each of an internal portion and an external portion of the region; calculating a cost by substituting the representative values and a pixel value of the image in a cost function, and updating the region based on the calculated cost, wherein the cost function includes a term in which a difference between the updated pixel value and an original pixel value is reflected, thereby enabling an accurate region segmentation even in ambiguous images that are complicated and where division of regions is unclear.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: November 26, 2019
    Assignee: Korea Electronics Technology Institute
    Inventors: Choong Sang Cho, Hwa Seon Shin, Young Han Lee, Joo Hyung Kang
  • Patent number: 10470633
    Abstract: A cleaning device includes an inhalation unit to generate inhalation force to inhale air into a main body, the inhalation unit comprising: an impeller that is rotatable; an impeller cover having an inlet damper formed therein; and a return channel that is coupled to the impeller cover so that the impeller is capable of being accommodated in the return channel and that is directly coupled to the impeller so that air passing through the impeller is capable of being introduced into the return channel, the return channel comprising: an inner frame; and an outer frame at an outer side of the inner frame so as to be spaced apart from the inner frame.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: November 12, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Kim, Sang Won Lee, Dong Suk Ko, Jin Hyung Park, Eung Ryeol Seo, Hyeon Joon Oh, Joo Yong Lee, Jae Ho Choi, Kwang Su Heo
  • Publication number: 20190342540
    Abstract: An embodiment of the disclosure discloses an electronic device including at least one camera module to capture an image based on a specified angle of view, a display to display the image, a processor electrically connected with the camera module and the display. The processor detects a plurality of objects in the image, and performs setting of image data associated with at least one object of the plurality of objects such that a region, which corresponds to the at least one object, in a screen region of the display has a specified light transmittance value. Moreover, various embodiment found through the disclosure are possible.
    Type: Application
    Filed: November 17, 2017
    Publication date: November 7, 2019
    Inventors: Song Yi LEE, Young Mi SHIN, Jin Soo HA, Jang Woon KIM, Hyun Keun SON, Joo Hyung LEE