Patents by Inventor In Seok BAEK

In Seok BAEK 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: 20230134729
    Abstract: The present technology relates to a method of inspecting a welding defect. The method includes: manufacturing an electrode assembly sample by welding an electrode lead on an electrode tab formed on an electrode assembly; measuring a tensile strength, a torsional strength and a peeling strength of a welded portion between the electrode tab and the electrode lead for the electrode assembly sample; deriving correlation between whether there is a welding defect and each of the tensile strength, the torsional strength, and the peeling strength; and deriving a reference value for determining whether there is a welding defect for the tensile strength, the torsional strength, and the peeling strength, respectively.
    Type: Application
    Filed: June 16, 2021
    Publication date: May 4, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sang Ho BAE, Hun Bum JUNG, Ji Hun HWANG, Cha Hun KU, Su Taek JUNG, Chang Min HAN, Joo Young CHUNG, Yong Jun LEE, Jae Hwa CHOI, Young Seok BAEK, Jin Yong LEE
  • Publication number: 20230122457
    Abstract: A display device may include a conductive pattern disposed on a substrate. A passivation layer may be disposed on the conductive pattern. A first shielding electrode and a second shielding electrode that may be disposed on the passivation layer may be spaced apart from each other. A first electrode may be disposed on the first shielding electrode. A second electrode may be disposed on the second shielding electrode. A light emitting element may be electrically connected between the first electrode and the second electrode. A first distance between the first shielding electrode and the second shielding electrode may be less than a second distance between the first electrode and the second electrode.
    Type: Application
    Filed: June 3, 2022
    Publication date: April 20, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Eui Kang HEO, Young Seok BAEK, Ha Na SEO, Chong Sup CHANG
  • Publication number: 20230104232
    Abstract: The present invention relates to a method for inspecting a welding quality of an electrode tab-electrode lead welded portion of a pouch-type lithium secondary battery, and the method includes: recognizing welding traces of the welded portion by a vision inspection device; measuring a size of each of the recognized welding traces; and determining whether the welded portion has been weakly welded, excessively welded or normally welded by comparing the measured size with a reference value.
    Type: Application
    Filed: June 22, 2021
    Publication date: April 6, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Sang Ho BAE, Hun Bum JUNG, Jae Hwa CHOI, Ji Hun HWANG, Cha Hun KU, Su Taek JUNG, Chang Min HAN, Young Seok BAEK
  • Publication number: 20230061844
    Abstract: A display device includes a display area and a pad area, a first electrode and a second electrode disposed on a substrate in the display area, the first electrode and the second electrode being spaced apart from each other, a transistor disposed on the substrate in the display area, the transistor being electrically connected to the first electrode, and including a first transistor electrode and a second transistor electrode; a light emitting element disposed on the first electrode and the second electrode; and a pad structure disposed on the substrate in the pad area, the pad structure including a first pad pattern and a second pad pattern which is disposed on the first pad pattern and is electrically connected to the first pad pattern.
    Type: Application
    Filed: March 29, 2022
    Publication date: March 2, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Chong Sup CHANG, Young Seok BAEK, Ha Na SEO, Eui Kang HEO
  • Publication number: 20220328093
    Abstract: A bitline sense amplifier including: an amplifier which is connected between a first sensing bitline and a second sensing bitline, and detects and amplifies a voltage difference between a first bitline and a second bitline in response to a first control signal and a second control signal; and an equalizer which is connected between a first supply line through which the first control signal is supplied and a second supply line through which the second control signal is supplied, and pre-charges the first bitline and the second bitline with a precharge voltage in response to an equalizing control signal, wherein the equalizer includes an equalizing enable transistor in which a source terminal is connected to the first supply line and performs equalizing in response to the equalizing control signal.
    Type: Application
    Filed: January 27, 2022
    Publication date: October 13, 2022
    Inventors: SOO BONG CHANG, YOUNG-IL LIM, BOK-YEON WON, SEOK JAE LEE, DONG GEON KIM, MYEONG SIK RYU, IN SEOK BAEK, KYOUNG MIN KIM, SANG WOOK PARK
  • Patent number: 11450268
    Abstract: A display device includes a substrate including a display area and a non-display area around the display area; and a display element layer on the substrate. The display element layer may include first and second electrodes extending in a first direction and spaced apart from each other in a second direction that is different from the first direction; a first light emitting element electrically coupled to the first and second electrodes; a first dummy electrode extending in the first direction and spaced apart from the first and second electrodes; second dummy electrodes spaced apart from each other in the first direction and spaced apart from the first electrode, the second electrode, and the first dummy electrode; and a second light emitting element electrically coupled to the first dummy electrode and the second dummy electrodes.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: September 20, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chong Sup Chang, Eui Kang Heo, Young Seok Baek, Ha Na Seo
  • Publication number: 20220139429
    Abstract: A sense amplifier includes a bit line sense amplifier including a first transistor and a second transistor spaced apart from each other in a first direction, a second conductive line configured to electrically connect the first transistor to the second transistor and extending in the first direction and a local sense amplifier configured to at least partially overlap the second conductive line and disposed between the first transistor and the second transistor.
    Type: Application
    Filed: September 2, 2021
    Publication date: May 5, 2022
    Inventors: Seok Jae LEE, Bok-Yeon WON, Kyoung Min KIM, Dong Geon KIM, Myeong Sik RYU, In Seok BAEK
  • Publication number: 20220077247
    Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.
    Type: Application
    Filed: November 16, 2021
    Publication date: March 10, 2022
    Inventors: Young Seok BAEK, Heena KIM, Sang Jin PARK, Taehyeok CHOI, Mijung HAN
  • Patent number: 11217634
    Abstract: An organic light emitting display device includes a substrate, an insulation layer structure, a light emitting layer, and an optical module. The substrate has an opening region, a peripheral region surrounding the opening region, and a display region surrounding the peripheral region. An opening is defined through the substrate in the opening region. The insulation layer structure is disposed in the display region and the peripheral region on the substrate. The light emitting layer is disposed on the insulation layer structure, and extends in a first direction from the display region into the opening region. A first opening is defined through the light emitting layer in the peripheral region. The optical module is disposed in the opening of the substrate.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Seok Baek, Heena Kim, Sang Jin Park, Taehyeok Choi, Mijung Han
  • Publication number: 20210380945
    Abstract: Provided are a natural killer cell exhibiting increased anticancer activity and immunotherapeutic use thereof. According to the natural killer cell according to an aspect, a relative mean fluorescence intensity (MFI) of a specific receptor significant for cancers including glioblastoma is increased, and thus effective anticancer immunotherapy is possible.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 9, 2021
    Inventors: Young Seok BAEK, In Jee LEE
  • Publication number: 20210359049
    Abstract: A display device includes a thin film transistor layer including at least one transistor on a substrate; a first electrode on the thin film transistor layer and connected to the at least one transistor; a second electrode spaced from the first electrode on the thin film transistor layer; a plurality of light emitting elements connected to the first electrode and the second electrode; and an electrode pattern on a same layer as the first electrode and the second electrode and overlapping the plurality of light emitting elements in a thickness direction.
    Type: Application
    Filed: April 15, 2021
    Publication date: November 18, 2021
    Inventors: Eui Kang HEO, Young Seok BAEK, Chong Sup CHANG
  • Publication number: 20210296407
    Abstract: An organic light emitting diode display device includes a substrate, a buffer layer, a first circuit structure, a sub-pixel structure, and a first signal wire. The substrate includes a display region including a plurality of sub-pixel regions and a peripheral region surrounding the display region. The buffer layer is disposed in the display region and peripheral region on the substrate. The first circuit structure is disposed in the peripheral region on the buffer layer. The sub-pixel structure is disposed in each of the sub-pixel regions on the first circuit structure. The first signal wire is disposed in the peripheral region between the substrate and the buffer layer, and overlaps the first circuit structure when viewed from a plan view in a thickness direction of the substrate.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Inventors: Heena KIM, Myounggeun CHA, Sang Jin PARK, Young Seok BAEK
  • Patent number: 11121195
    Abstract: An organic light emitting display device includes a light emitting layer for emitting light and for displaying an image, a fingerprint sensor for detecting a fingerprint, and a circuit element layer disposed between the light emitting layer and the fingerprint sensor and configured to control the light emitting layer. The fingerprint sensor includes a light receiver. The light receiver overlaps the light emitting layer and has an uneven surface.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: September 14, 2021
    Inventors: Sang Jin Park, Min Jae Jeong, Hee Na Kim, Young Seok Baek, Dong Hyun Yang
  • Publication number: 20210226166
    Abstract: A method of manufacturing a display device may include sequentially forming a first conductive layer, a second conductive layer including copper (Cu), a third conductive layer, and a fourth conductive layer on a substrate, patterning the first conductive layer, the second conductive layer, the third conductive layer, and the fourth conductive layer together to form a conductive pattern including a first layer, a second layer, a third layer, and a fourth layer sequentially on the substrate, removing the fourth layer of the conductive pattern, forming a protective layer covering at least a sidewall of the conductive layer on the substrate, and forming a display element on the protective layer.
    Type: Application
    Filed: October 22, 2020
    Publication date: July 22, 2021
    Inventors: Young Seok BAEK, Chong Sup CHANG, Hana SEO, Eui Kang HEO
  • Patent number: 11063093
    Abstract: An organic light emitting diode display device includes a substrate, a buffer layer, a first circuit structure, a sub-pixel structure, and a first signal wire. The substrate includes a display region including a plurality of sub-pixel regions and a peripheral region surrounding the display region. The buffer layer is disposed in the display region and peripheral region on the substrate. The first circuit structure is disposed in the peripheral region on the buffer layer. The sub-pixel structure is disposed in each of the sub-pixel regions on the first circuit structure. The first signal wire is disposed in the peripheral region between the substrate and the buffer layer, and overlaps the first circuit structure when viewed from a plan view in a thickness direction of the substrate.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: July 13, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heena Kim, Myounggeun Cha, Sang Jin Park, Young Seok Baek
  • Publication number: 20210183826
    Abstract: A display device includes a substrate including a display area and a non-display area around the display area; and a display element layer on the substrate. The display element layer may include first and second electrodes extending in a first direction and spaced apart from each other in a second direction that is different from the first direction; a first light emitting element electrically coupled to the first and second electrodes; a first dummy electrode extending in the first direction and spaced apart from the first and second electrodes; second dummy electrodes spaced apart from each other in the first direction and spaced apart from the first electrode, the second electrode, and the first dummy electrode; and a second light emitting element electrically coupled to the first dummy electrode and the second dummy electrodes.
    Type: Application
    Filed: August 20, 2020
    Publication date: June 17, 2021
    Inventors: Chong Sup CHANG, Eui Kang HEO, Young Seok BAEK, Ha Na SEO
  • Publication number: 20210159250
    Abstract: A display includes a substrate, a first electrode base layer and a second electrode base layer spaced from each other on the substrate, a first electrode on the first electrode base layer and a second electrode on the second electrode base layer, a first inner bank between the first electrode base layer and the first electrode and a second inner bank between the second electrode base layer and the second electrode, and a light emitting element between the first electrode and the second electrode, at least one end portion of the light emitting element being electrically connected to the first electrode or the second electrode, wherein a side surface of one end portion of each of the first and second electrode base layers is at the same line as a side surface of an end portion of a corresponding one of the first and second electrodes.
    Type: Application
    Filed: September 14, 2020
    Publication date: May 27, 2021
    Inventors: Chong Sup CHANG, Eui Kang HEO, Young Seok BAEK, Ha Na SEO
  • Publication number: 20210023304
    Abstract: An electrohydraulic microjet drug delivery device includes: a discharge body provided with a power supply unit in which electric energy is stored; and a medicinal fluid delivery body detachably attached to the discharge body, the medicinal fluid delivery body including a pressure generation unit configured to store a pressure generation liquid, a medicinal fluid storage unit configured to store a medicinal fluid, an elastic separation membrane installed between the pressure generation unit and the medicinal fluid storage unit and configured to separate the pressure generation liquid and the medicinal fluid, a discharger installed inside the pressure generation unit so as to be submerged in the pressure generation liquid and configured to generate a spark using the electric energy stored in the power supply unit, and a nozzle kept in communication with the medicinal fluid storage unit, wherein when the spark is generated in the discharger, a part of the pressure generation liquid is vaporized and expanded to d
    Type: Application
    Filed: April 4, 2019
    Publication date: January 28, 2021
    Inventors: Seok Soon LEE, Jin Kyu CHOI, Han Bin KANG, Seung Min TAK, In Seok BAEK
  • Patent number: 10757781
    Abstract: A lighting apparatus including an LED circuit including a plurality of serially connected stages configured to receive a modulated rectified voltage, each of the stages including a first path including a first resistor and a first LED connected in series, and a second path connected to the first path in parallel and including a second LED configured to emit light having a color temperature different from that emitted from the first LED, and a driving current controller configured to adjust an intensity of light output from the LED circuit by adjusting currents applied to driving nodes connected to the stages, depending on a dimming signal associated with a dimming level of the rectified voltage, in which a threshold voltage of the first LED is lower than that of the second LED.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: August 25, 2020
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Keith Hopwood, Hyung Jin Lee, Sung Ho Jin, Sang Wook Han, In Seok Baek
  • Patent number: 10741596
    Abstract: An image sensing device and a method for forming the same are disclosed. The image sensing device includes a substrate including one or more photoelectric conversion elements, and a grid structure disposed over the substrate. The grid structure includes an air layer, a support film formed over the air layer, and a capping film formed at side surfaces of the air layer and the support film and at a top surface of the support film.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: August 11, 2020
    Assignee: SK hynix Inc.
    Inventors: Chul Kim, Young Woong Do, Won Jin Kim, Jong Hwan Kim, Sung Jun Park, Moung Seok Baek, Ju Sang Lee, Seong Hoe Jeong