Patents by Inventor Chang-Bae Lee

Chang-Bae 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: 20240126169
    Abstract: Provided is a photosensitive resin composition including a reactive unsaturated compound, an alkali soluble resin, an initiator, and a pigment. The reactive unsaturated compound is selected to cause the composition to exhibit high-resolution pattern properties that facilitate forming a pixel defining film in a display device. The reactive unsaturated compound may be an acryl-based compound having at least three ethylenically unsaturated double bond groups in molecules and having a viscosity of about 200 mPa s to about 280 mPa s at 40° C. A display device including such pixel defining film is also presented.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 18, 2024
    Inventors: YANG-HO JUNG, BUM SUNG LEE, CHANG MIN LEE, JUN BAE, NAKCHO CHOI, HOON KANG, DAE-GI KWEON, JUNGI KIM, JIHEE KIM, JUNHO SIM, JAEHUN LEE
  • Patent number: 11887516
    Abstract: Various embodiments disclose a display driver, wherein the display driver may be configured to detect a defective output buffer among output buffers and perform an output correction function for the defective output buffer.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: January 30, 2024
    Assignee: LX SEMICON CO., LTD.
    Inventors: Byeong Yong Kim, Chang Bae Lee
  • Publication number: 20230260919
    Abstract: A semiconductor package including a core structure, in which a first and second semiconductor chips and passive components are embedded, a connection structure disposed on a first side of the core structure, and including a redistribution layer electrically connected to the first and second semiconductor chips and the passive components, and a metal pattern layer and a backside wiring layer disposed on a second side of the core structure opposing the first side, and spaced apart from each other. The core structure includes a first metal layer surrounding the first semiconductor chip, a second metal layer surrounding the first semiconductor chip, and the first metal layer, a third metal layer surrounding the second semiconductor chip, and a fourth metal layer surrounding the second semiconductor chip, the passive components, and the third metal layer, and each of the first to fourth metal layers is electrically connected to the metal pattern layer.
    Type: Application
    Filed: May 1, 2023
    Publication date: August 17, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Koon LEE, Myung Sam KANG, Young Gwan KO, Young Chan KO, Chang Bae LEE
  • Patent number: 11676907
    Abstract: A method including forming a frame having an opening, forming a first metal layer, forming a first encapsulant, forming an insulation layer on the first metal layer, forming a first through-hole and a second through-hole penetrating the insulation layer and the first encapsulant, forming a second metal layer and a third metal layer, forming a second encapsulant, forming a first metal via and a second metal via penetrating the second encapsulant and a metal pattern layer on the second encapsulant, and forming a connection structure. The first metal layer and the second metal layer respectively are formed to extend to a surface of each of the first encapsulant and the frame, facing the metal pattern layer, and the first metal layer and the second metal layer are connected to the metal pattern layer through the first metal via and the second metal via having heights different from each other.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Koon Lee, Myung Sam Kang, Young Gwan Ko, Young Chan Ko, Chang Bae Lee
  • Patent number: 11667378
    Abstract: Provided are a flap drive device and a rotorcraft blade, and more particularly, a flap drive device using a two-section link mechanism, which may be applied to a rotorcraft blade, and a rotorcraft blade including the same.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: June 6, 2023
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sang Joon Shin, Won Jong Eun, Byeong Uk Im, Chang Bae Lee, Jin Wook Shin
  • Publication number: 20230057575
    Abstract: Various embodiments disclose a display driver, wherein the display driver may be configured to detect a defective output buffer among output buffers and perform an output correction function for the defective output buffer.
    Type: Application
    Filed: August 18, 2022
    Publication date: February 23, 2023
    Applicant: LX Semicon Co., Ltd.
    Inventors: Byeong Yong KIM, Chang Bae LEE
  • Patent number: 11482150
    Abstract: A display driving device supporting a low power mode according to an aspect of the present disclosure that is capable of minimizing power consumption when driving in the low power mode includes a plurality of output buffers connected to data lines to precharge the data lines with a first data signal corresponding to a black image when a precharge horizontal line is driven in a display panel including a first region where a standby image is displayed and the second region where the black image is displayed, the precharge horizontal line being included in the second region, and a gamma voltage generator connected to the data lines to output the first data signal to the data lines when other horizontal lines other than the precharge horizontal line in the second region are driven.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: October 25, 2022
    Assignee: SILICON WORKS CO., LTD.
    Inventors: Byeong Yong Kim, Chang Bae Lee, Se Jin Choi
  • Publication number: 20220024570
    Abstract: Provided are a flap drive device and a rotorcraft blade, and more particularly, a flap drive device using a two-section link mechanism, which may be applied to a rotorcraft blade, and a rotorcraft blade including the same.
    Type: Application
    Filed: May 21, 2021
    Publication date: January 27, 2022
    Inventors: Sang Joon SHIN, Won Jong EUN, Byeong Uk IM, Chang Bae LEE, Jin Wook SHIN
  • Publication number: 20210350735
    Abstract: A display driving device supporting a low power mode according to an aspect of the present disclosure that is capable of minimizing power consumption when driving in the low power mode includes a plurality of output buffers connected to data lines to precharge the data lines with a first data signal corresponding to a black image when a precharge horizontal line is driven in a display panel including a first region where a standby image is displayed and the second region where the black image is displayed, the precharge horizontal line being included in the second region, and a gamma voltage generator connected to the data lines to output the first data signal to the data lines when other horizontal lines other than the precharge horizontal line in the second region are driven.
    Type: Application
    Filed: April 28, 2021
    Publication date: November 11, 2021
    Inventors: Byeong Yong KIM, Chang Bae LEE, Se Jin CHOI
  • Publication number: 20210313276
    Abstract: A method including forming a frame having an opening, forming a first metal layer, forming a first encapsulant, forming an insulation layer on the first metal layer, forming a first through-hole and a second through-hole penetrating the insulation layer and the first encapsulant, forming a second metal layer and a third metal layer, forming a second encapsulant, forming a first metal via and a second metal via penetrating the second encapsulant and a metal pattern layer on the second encapsulant, and forming a connection structure. The first metal layer and the second metal layer respectively are formed to extend to a surface of each of the first encapsulant and the frame, facing the metal pattern layer, and the first metal layer and the second metal layer are connected to the metal pattern layer through the first metal via and the second metal via having heights different from each other.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Koon LEE, Myung Sam KANG, Young Gwan KO, Young Chan KO, Chang Bae LEE
  • Patent number: 11062999
    Abstract: A semiconductor package includes a core structure having a first through-hole and including a frame having an opening, a passive component disposed in the opening, a first encapsulant covering the frame and the passive component, a first metal layer disposed on an inner surface of the first through-hole, and a second metal layer disposed on an inner surface of the opening; a first semiconductor chip disposed in the first through-hole and having a first connection pad; a second encapsulant covering the core structure and the first semiconductor chip; a connection structure disposed on the core structure and the first semiconductor chip and including a redistribution layer; and a metal pattern layer disposed on the second encapsulant. The first and second metal layers are connected to the metal pattern layer through first and second metal vias having heights different from each other.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: July 13, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Koon Lee, Myung Sam Kang, Young Gwan Ko, Young Chan Ko, Chang Bae Lee
  • Patent number: 11002910
    Abstract: The present invention relates to a fibre optic fusion splicing technique, in particular to a fibre optic fusion splicer for reliable and stable fibre optic fusion splicing, that is characterized by comprising: an alignment part for fixing and aligning first and second optical fibres that are to be fusion spliced; a fusion splicing module having an electrode bar for fusion splicing the first and second optical fibres that are fixed to and aligned in the alignment module; an optical module for photographing the aligned state of the first and second optical fibres aligned by the alignment module, and the fusion-spliced state of the first and second optical fibres fusion-spliced by the fusion splicing module; a support part in which the fusion splicing module and the optical module are mounted; and a lift module for moving the support part up and down.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: May 11, 2021
    Assignee: SOLTECH INFONET CO., LTD.
    Inventors: Chang Hoon Lee, Kyung Jin Youn, Kyeong Ho Sun, Byung Chul Park, Chang Bae Lee, Ji Won Lee
  • Patent number: 10852453
    Abstract: A method for providing an aviation weather chart and an apparatus using the same. An aviation weather chart apparatus according to an aspect of the present invention may compromise: a communication unit which is connected to a weather server and an flight path server so as to acquire aviation weather information from the weather server, acquire flight path information from the flight path server, and acquire flight identification information from a network; and a control unit which acquires the flight path information corresponding to the flight identification information, acquires the aviation weather information corresponding to the flight path information, and acquires an aviation weather chart such that the flight path information and the weather information are displayed at one time on the basis of a flight information region through which a flight corresponding to the flight information passes and the weather information corresponding to the flight information region.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: December 1, 2020
    Assignee: IPS INTERNATIONAL PROPERTY LAW FIRM
    Inventors: Wan Sik Won, Chang Bae Lee, Yong Phil Joh
  • Publication number: 20200319407
    Abstract: The present invention relates to a fibre optic fusion splicing technique, in particular to a fibre optic fusion splicer for reliable and stable fibre optic fusion splicing, that is characterized by comprising: an alignment part for fixing and aligning first and second optical fibres that are to be fusion spliced; a fusion splicing module having an electrode bar for fusion splicing the first and second optical fibres that are fixed to and aligned in the alignment module; an optical module for photographing the aligned state of the first and second optical fibres aligned by the alignment module, and the fusion-spliced state of the first and second optical fibres fusion-spliced by the fusion splicing module; a support part in which the fusion splicing module and the optical module are mounted; and a lift module for moving the support part up and down.
    Type: Application
    Filed: April 7, 2017
    Publication date: October 8, 2020
    Applicant: SOLTECH INFONET CO., LTD.
    Inventors: Chang Hoon LEE, Kyung Jin YOUN, Kyeong Ho SUN, Byung Chul PARK, Chang Bae LEE, Ji Won LEE
  • Patent number: 10727212
    Abstract: A semiconductor package includes a connection structure including a first insulation layer, a second insulation layer, first and second wiring layers, and first and second connection vias. A core structure including a core member is on the first insulation layer. A first through-hole passes through the core member. Passive components are on the first insulation layer in the first through-hole and connected to the first wiring layer through the first connection via. A first encapsulant covers at least a portion of the passive components. A second through-hole passes through the core structure and the first insulation layer. A semiconductor chip is on the second insulation layer in the second through-hole and is connected to the second wiring layer through the second connection via. A second encapsulant covers at least a portion of the semiconductor chip.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon Hee Moon, Myung Sam Kang, Young Gwan Ko, Chang Bae Lee, Jin Su Kim
  • Publication number: 20200135654
    Abstract: A semiconductor package includes a core structure having a first through-hole and including a frame having an opening, a passive component disposed in the opening, a first encapsulant covering the frame and the passive component, a first metal layer disposed on an inner surface of the first through-hole, and a second metal layer disposed on an inner surface of the opening; a first semiconductor chip disposed in the first through-hole and having a first connection pad; a second encapsulant covering the core structure and the first semiconductor chip; a connection structure disposed on the core structure and the first semiconductor chip and including a redistribution layer; and a metal pattern layer disposed on the second encapsulant. The first and second metal layers are connected to the metal pattern layer through first and second metal vias having heights different from each other.
    Type: Application
    Filed: September 13, 2019
    Publication date: April 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yong Koon LEE, Myung Sam Kang, Young Gwan Ko, Young Chan Ko, Chang Bae Lee
  • Publication number: 20190287953
    Abstract: A semiconductor package includes a connection structure including a first insulation layer, a second insulation layer, first and second wiring layers, and first and second connection vias. A core structure including a core member is on the first insulation layer. A first through-hole passes through the core member. Passive components are on the first insulation layer in the first through-hole and connected to the first wiring layer through the first connection via. A first encapsulant covers at least a portion of the passive components. A second through-hole passes through the core structure and the first insulation layer. A semiconductor chip is on the second insulation layer in the second through-hole and is connected to the second wiring layer through the second connection via. A second encapsulant covers at least a portion of the semiconductor chip.
    Type: Application
    Filed: October 25, 2018
    Publication date: September 19, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seon Hee MOON, Myung Sam KANG, Young Gwan KO, Chang Bae LEE, Jin Su KIM
  • Patent number: 10312195
    Abstract: A fan-out semiconductor package includes: a semiconductor chip; an encapsulant encapsulating at least portions of the semiconductor chip; and a first connection member disposed on the semiconductor chip and including a first redistribution layer electrically connected to the connection pads and a second redistribution layer electrically connected to the connection pads and disposed on the first redistribution layer. The first redistribution layer includes a first pattern having a plurality of degassing holes, the second redistribution layer includes a second pattern having a first line portion having a first line width and a second line portion connected to the first line portion and having a second line width greater than the first line width, and the second line portion overlaps at least one of the plurality of degassing holes when being projected in a direction perpendicular to the active surface.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: June 4, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ji Hyun Lee, Jin Gu Kim, Chang Bae Lee, Jin Su Kim
  • Patent number: 10229865
    Abstract: A fan-out semiconductor package includes a first interconnection member having a through-hole; a semiconductor chip disposed in the through-hole of the first interconnection member and having an active surface having connection pads disposed thereon and an inactive surface opposite the active surface; an encapsulant encapsulating at least some portions of the first interconnection member and the semiconductor chip; and a second interconnection member disposed on the first interconnection member and the semiconductor chip. The first interconnection member and the second interconnection member respectively include a plurality of redistribution layers electrically connected to the connection pads of the semiconductor chip, and the semiconductor chip has a groove defined in the active surface and between a peripheral edge of the semiconductor chip and the connection pads of the semiconductor chip.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: March 12, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yong Jin Seol, Chang Bae Lee, Min Seok Jang
  • Patent number: 10186875
    Abstract: The present invention relates to a coil type unit for wireless power transmission, a wireless power transmission device, an electronic device, and a manufacturing method of a coil type unit for wireless power transmission. A coil type unit for wireless power transmission according to the present invention includes a coil pattern having a wiring pattern shape; a magnetic portion having the coil pattern attached to one surface thereof and a conductive pattern formed thereon; an insulating adhesive portion interposed between the magnetic portion having the conductive pattern formed thereon and the coil pattern to bond the magnetic portion and the coil pattern to each other while insulating the coil pattern and the conductive pattern from each other; and a conductive via for electrically connecting both ends of the coil pattern and the conductive pattern.
    Type: Grant
    Filed: August 18, 2014
    Date of Patent: January 22, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seung Wook Park, No Il Park, Doo Sung Jung, Jang Su Kim, Chang Bae Lee