Patents by Inventor Byoung-Jun Lee

Byoung-Jun 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: 20240136674
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
  • Publication number: 20240128517
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
  • Patent number: 11949012
    Abstract: A semiconductor device including: a first transistor which include a first gate stack on a substrate; and a second transistor which includes a second gate stack on the substrate, wherein the first gate stack includes a first ferroelectric material layer disposed on the substrate, a first work function layer disposed on the first ferroelectric material layer and a first upper gate electrode disposed on the first work function layer, wherein the second gate stack includes a second ferroelectric material layer disposed on the substrate, a second work function layer disposed on the second ferroelectric material layer and a second upper gate electrode disposed on the second work function layer, wherein the first work function layer includes the same material as the second work function layer, and wherein an effective work function of the first gate stack is different from an effective work function of the second gate stack.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong Ho Park, Wan Don Kim, Weon Hong Kim, Hyeon Jun Baek, Byoung Hoon Lee, Jeong Hyuk Yim, Sang Jin Hyun
  • Publication number: 20240099136
    Abstract: Disclosed herein are a method for manufacturing a graphene thermoelectric device and a graphene thermoelectric device manufactured thereby. The method for manufacturing a graphene thermoelectric device includes: forming a graphene channel layer on a substrate; forming a thermoelectric structure by depositing a first electrode and a second electrode on both ends of the graphene channel layer; and doping the graphene channel layer by dipping the thermoelectric structure into a doping solution.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Applicant: POSTECH Research and Business Development Foundation
    Inventors: Byoung Hun LEE, Hyeon Jun HWANG
  • Publication number: 20240088425
    Abstract: An electrode assembly, a battery, a battery pack and a vehicle including the same are provided. In the electrode assembly, the uncoated portion of an electrode includes a segment region divided into a plurality of segments, and the segment region includes a plurality of segment groups separated by a group separation pitch along a winding direction. One end of the electrode assembly includes a plurality of segment alignments. In winding turns corresponding to the plurality of segment alignments, group separation pitches of segment groups disposed in a same winding turn are substantially identical, and separation pitches of the segment groups is greater in a winding turn of a region adjacent to the outer circumference of the electrode assembly than in a winding turn of a region adjacent to the core of the electrode assembly.
    Type: Application
    Filed: July 19, 2022
    Publication date: March 14, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Eun LEE, Jong-Sik PARK, Hak-Kyun KIM, Je-Jun LEE, Jae-Won LIM, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE
  • Patent number: 9787975
    Abstract: A method of displaying a stereoscopic image includes outputting a left-eye image to a first and a second display block of a display panel during an N-th frame. Light is provided to the first display block during a first period of the N-th frame and light is provided to the second display block during a second period of the N-th frame. A right-eye image is output to the first and second display blocks of the display panel during an M-th frame. Light is provided to the first display block during a first period of the M-th frame and light is provided light to the second display block during a second period of the M-th frame.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: October 10, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nam-Hee Goo, Byoung-Jun Lee, Yun-Jae Kim, Myoung-Chul Kim, Jae-Ho Choi, Bo-Ram Kim, Ji-Woong Kim, Jong-Yoon Lee
  • Patent number: 9535526
    Abstract: A display device includes; a touch panel device including; a touch panel and a touch controller connected to the touch panel, the touch controller including; a sampling unit which samples a sensing output signal input thereto from the touch panel to generate a sampled signal, and an analog/digital converter which converts the sampled signal to generate contact information, and a display panel device including; a display panel, a gate driver which applies a gate signal to the display panel, and a data driver which applies a data voltage to the display panel, wherein the sampling unit samples a portion of the sensing output signal which does not include a coupling noise.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: January 3, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Nam-Hee Goo, Bo-Ram Kim, Myoung-Chul Kim, Byoung-Jun Lee, Yun-Jae Kim
  • Patent number: 9497446
    Abstract: A method of displaying a stereoscopic image provides first light having a first wavelength and second light having a second wavelength different from the first wavelength to the a display panel according to left-eye and right-eye images displayed on the display panel. Color correcting data are generated by correcting at least one of left-eye color data corresponding to the left-eye image and right-eye color data corresponding to the right-eye image such that a first color coordinate according to the first light and a second color coordinate according to the second light coincide with each other with respect to the same color. The left-eye and right-eye images are displayed using light having wavelengths different from each other, so that a display quality of the stereoscopic image may be enhanced.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: November 15, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bong-Im Park, Byoung-Jun Lee, Yun-Jae Kim, Seon-Ki Kim, Se-Huhn Hur, Jae-Woo Jung, Jun-Pyo Lee, Ah-Reum Kim, Ik-Huyn Ahn, Kang-Min Kim, Jung-Won Kim
  • Patent number: 9377645
    Abstract: A display device includes: a first insulating substrate; a main pixel which is formed on the first insulating substrate and comprises a plurality of sub-pixels and a single sensing electrode; a second insulating substrate which faces the first insulating substrate; a sensing spacer formed on the second insulating substrate which faces the sensing electrode; and a contact electrode formed on the sensing spacer.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun-su Lee, Jin-ho Park, Byoung-jun Lee
  • Patent number: 9230464
    Abstract: A method of driving shutter glasses of a display system includes generating a display panel driving signal which drives a display panel of the display system, where the display panel displays a left image and a right image, generating a second three-dimensional (“3D”) synchronizing signal based on a first 3D synchronizing signal and the display panel driving signal, generating a third 3D synchronizing signal by adjusting an intensity of the second 3D synchronizing signal, generating a shutter control signal, which controls a left shutter and a right shutter of the shutter glasses, based on the third 3D synchronizing signal, and outputting the shutter control signal to the shutter glasses.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Ho Choi, Bo-Ram Kim, Byoung-Jun Lee, Yun-Jae Kim, Nam-Hee Goo, Myoung-Chul Kim
  • Patent number: 9170687
    Abstract: A display device includes: a first display panel; a second display panel opposite to the first display panel; and an electro-optical active layer between the first display panel and the second display panel, wherein the first display panel includes a thin film transistor including a gate electrode, a source electrode, a drain electrode and a semiconductor layer, a gate line configured to transmit a gate signal to the gate electrode of the transistor and extending in a first direction, and a sensing electrode extending in the first direction and overlapping the gate line, where the sensing electrode and the gate electrode define a capacitor.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: October 27, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chul Kim, Ji Woong Kim, Su Bin Park, Byoung Jun Lee, Seung Hwan Moon
  • Patent number: 9092222
    Abstract: A three-dimensional (“3D”) image display includes a signal controller which receives two-dimensional (“2D”) image information and 3D image information and generates control signals based on the 2D image information and the 3D image information, a clock generator which receives the control signals from the signal controller and generates a first clock signal corresponding to the 3D image information and a second clock signal corresponding to the 2D image information, and a gate driver which generates a gate-on voltage based on at least one of the first clock signal and the second clock signal, where a frequency of the second clock signal is lower than a frequency of the first clock signal and an amplitude of the second clock signal is less than an amplitude of the first clock signal.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae-Hoon Lee, Byoung-Jun Lee, Hyun-Seok Ko
  • Publication number: 20150153883
    Abstract: A display device includes; a touch panel device including; a touch panel and a touch controller connected to the touch panel, the touch controller including; a sampling unit which samples a sensing output signal input thereto from the touch panel to generate a sampled signal, and an analog/digital converter which converts the sampled signal to generate contact information, and a display panel device including; a display panel, a gate driver which applies a gate signal to the display panel, and a data driver which applies a data voltage to the display panel, wherein the sampling unit samples a portion of the sensing output signal which does not include a coupling noise.
    Type: Application
    Filed: February 11, 2015
    Publication date: June 4, 2015
    Inventors: Nam-Hee GOO, Bo-Ram KIM, Myoung-Chul KIM, Byoung-Jun LEE, Yun-Jae KIM
  • Patent number: 8988360
    Abstract: A method for detecting a touch position includes integrating a readout current detected at a sensing part to generate an integrated readout voltage, converting the integrated readout voltage into a digital converted readout voltage data and compensating a variation of the digital converted readout voltage data to determine whether the sensing part is touched.
    Type: Grant
    Filed: June 2, 2009
    Date of Patent: March 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seiki Takahashi, Satoru Saito, Sang-Soo Kim, Bong-Hyun You, Byoung-Jun Lee, Jai-Hyun Koh
  • Patent number: 8976137
    Abstract: A touch barrier panel having a touch sensing capability and a 3-dimensional image display capability is disposed on a display panel such that manufacturing cost may be reduced and the thickness thereof is relatively thin. Also, the negative liquid crystal that is not affected by the vertical electric field is used such that a mode change speed and response speed may be improved.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: March 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam-Hee Goo, Ji Woong Kim, Chul Kim, Yu-Han Bae, Byoung Jun Lee
  • Patent number: 8970682
    Abstract: A stereoscopic image display device includes; a display device into which left-eye image data and right-eye image data are alternately input, and a shutter member including a left-eye shutter and a right-eye shutter, wherein the left-eye shutter and the right-eye shutter are opened in at least one of at least a part of an input period for the left-eye image data and at least a part of an input period for the right-eye image data.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: March 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Ram Kim, Byoung-Jun Lee, Yun-Jae Kim, Nam-Hee Goo, Myoung-Chul Kim, Gyeong-Ub Moon, Seung-Hwan Moon
  • Patent number: 8933893
    Abstract: A touchscreen display substrate includes; a plurality of pixel parts including a plurality of first pixel rows arranged in a first direction, and a plurality of pixel columns arranged in a second direction substantially perpendicular to the first direction, wherein each of the plurality of pixel parts includes a pixel electrode, and a plurality of sensing parts which sense a touch state, the sensing parts being disposed in an area corresponding to the plurality of pixel parts, and being sequentially arranged in the first direction between adjacent pixel parts of first plurality of pixel columns.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: January 13, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seiki Takahashi, Jae-Hoon Lee, Sang-Soo Kim, Bong-Hyun You, Byoung-Jun Lee, Sung-Jae Moon, So-Young Kim
  • Patent number: 8928599
    Abstract: A liquid crystal display panel includes a touch sensor and the touch sensor includes a plurality of x-axis read-out lines, a plurality of y-axis read-out lines crossing the x-axis read-out lines, a plurality of sensor units provided in a plurality of regions defined by the x-axis read-out lines and the y-axis read-out lines. Each sensor unit comprises a reset unit that outputs a sampling voltage based on a reset voltage, a capacitance detector that generates a modified sampling voltage from the sampling voltage based on a variation of a cell gap of the display panel caused by a touch of the display panel, a first output unit that changes an electric potential of a corresponding x-axis read-out line in response to the modified sampling voltage and a second output unit that changes an electric potential of a corresponding y-axis read-out line in response to the modified sampling voltage.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: January 6, 2015
    Assignees: Samsung Display Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Byoung-Jun Lee, Min-Koo Han, Hyun-Sang Park, Bong-Hyun You
  • Patent number: 8896161
    Abstract: An electronic device comprises a solar cell a main body which includes a display unit, a battery, and a processing unit and a power controller which connects the solar cell and the main body and controls the electronic device so that power generated from the solar cell is stored in the battery or used in the main body depending on a state of the main body.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: November 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Ho Choi, Myoung-Chul Kim, Seung Hwan Moon, Byoung Jun Lee, Yun-Jae Kim, Kyung-Uk Choi, Nam-Hee Goo, Bo-Ram Kim
  • Patent number: 8854440
    Abstract: A three dimensional image display device, including: a display panel that alternately displays a left eye image and a right eye image, wherein a common voltage synchronized with a voltage reset signal is applied to the display panel and the voltage reset signal is maintained at a high level for a predetermined time before the voltage reset signal is input to the left eye image or the right eye image.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: October 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Bo-Ram Kim, Seung Hwan Moon, Byoung Jun Lee, Jae-Hoon Lee, Yun-Jae Kim, Nam-Hee Goo, Myoung-Chul Kim, Jae Ho Choi