Patents by Inventor Seung-Bae KANG

Seung-Bae KANG 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).

  • Patent number: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Patent number: 11919122
    Abstract: A substrate processing apparatus includes: a conveyor belt configured to have an outer surface on which a bottom surface of a substrate is seated; and a polishing head unit configured to face an upper surface of the substrate, wherein the polishing head unit includes: a polishing head connected to a driver; a polishing pad configured to face the polishing head; a polishing pad fixing ring disposed between the polishing head and the polishing pad; and a temperature sensor configured to overlap the polishing pad fixing ring and to be spaced apart from the polishing pad fixing ring.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: March 5, 2024
    Assignees: SAMSUNG DISPLAY CO., LTD., KCTECH CO., LTD.
    Inventors: Seung Bae Kang, Sung Hyeon Park, Jung Gun Nam, Joon-Hwa Bae, Kyung Bo Lee, Keun Woo Lee, Woo Jin Cho, Byoung Kwon Choo
  • Patent number: 11910673
    Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: February 20, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Ho Hong, Gun Mo Kim, Jae Min Shin, Hye Jin Joo, Min Woo Kim, Seung Bae Kang
  • Publication number: 20230240094
    Abstract: Embodiments provide a slurry for polishing copper, a manufacturing method of a display device which uses the slurry, and the display device. The slurry for polishing copper includes an abrasive, a catalyst including a single molecule having an iron ion, a polishing suppressant, and an oxidizing agent.
    Type: Application
    Filed: January 20, 2023
    Publication date: July 27, 2023
    Applicants: Samsung Display Co., LTD., IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
    Inventors: Byoung Kwon CHOO, Jea Gun PARK, Seung Bae KANG, Sungjun KIM, Sung Hoon MOON
  • Publication number: 20220246702
    Abstract: A display device includes: a substrate; a first signal line and a second signal line disposed on the substrate; and an interlayer-insulating layer disposed between the first signal line and the second signal line. The interlayer-insulating layer includes a first portion and a second portion having different heights measured from a surface of the substrate along a first direction that is perpendicular to the surface of the substrate, an upper surface of the first portion of the interlayer-insulating layer is flat, a surface of the second portion of the interlayer-insulating layer is flat, a height of the first portion is lower than a height of the second portion, the interlayer-insulating layer defines a contact hole, and the contact hole is disposed in the first portion of the interlayer-insulating layer.
    Type: Application
    Filed: October 26, 2021
    Publication date: August 4, 2022
    Inventors: Byoung Kwon Choo, Seung Bae Kang, Hee Sung Yang, Bong Gu Kang, Tae Wook Kang, Woo Jin Cho
  • Publication number: 20220199694
    Abstract: A method of fabricating a display device includes: preparing a substrate including emission areas and a non-emission area between the emission areas; forming a bank on the non-emission area to a first height; forming light conversion patterns on the emission areas to a height equal to or less than the first height; polishing a surface of a light conversion layer including the bank and the light conversion patterns so that the surface of the light conversion layer is flat; and forming a filler layer on a surface of the substrate on which the light conversion layer is provided. The polishing of the light conversion layer includes planarizing the surface of the light conversion layer so that the bank and the light conversion patterns have a second height through chemical mechanical polishing utilizing a metallic slurry.
    Type: Application
    Filed: December 15, 2021
    Publication date: June 23, 2022
    Inventors: Joon Hwa BAE, Bong Gu KANG, Woo Jin CHO, Seung Bae KANG, Hee Sung YANG, Byoung Kwon CHOO
  • Publication number: 20220165838
    Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.
    Type: Application
    Filed: February 11, 2022
    Publication date: May 26, 2022
    Inventors: Jong Ho HONG, Gun Mo KIM, Jae Min SHIN, Hye Jin JOO, Min Woo KIM, Seung Bae KANG
  • Publication number: 20220077260
    Abstract: A display device according to an embodiment includes: a substrate; a transistor that is disposed on the substrate; a light emitting diode that is disposed on the substrate, and connected to the transistor; and a passivation layer that is disposed between the transistor and the light emitting diode, wherein a surface step of the passivation layer is within a range of and including 1 nm to 30 nm.
    Type: Application
    Filed: May 27, 2021
    Publication date: March 10, 2022
    Inventors: Byoung Kwon CHOO, Seung Bae KANG, Bong Gu KANG, Tae Joon KIM, Jeong Min PARK, Joon-Hwa BAE, Hee Sung YANG, Woo Jin CHO
  • Patent number: 11251255
    Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: February 15, 2022
    Inventors: Jong Ho Hong, Gun Mo Kim, Jae Min Shin, Hye Jin Joo, Min Woo Kim, Seung Bae Kang
  • Publication number: 20210273208
    Abstract: A display device includes a planarization layer covering transistors in a display area on a substrate, an organic light emitting diode on the planarization layer, a pad electrode in a non-display area on the substrate surrounding the display area, and a sacrificial layer remnant capping a side surface of the pad electrode.
    Type: Application
    Filed: May 19, 2021
    Publication date: September 2, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Heesung YANG, Seung Bae KANG, Bonggu KANG, Tae Wook KANG, Joon-Hwa BAE, Woojin CHO, Byoung Kwon CHOO
  • Publication number: 20210210703
    Abstract: A display device includes a plurality of islands and a bridge connecting the plurality of islands to each other. Each of the plurality of islands includes a flexible substrate, a thin film transistor positioned on a first surface of the flexible substrate, a first electrode connected to the thin film transistor, and a protective mask positioned on a second surface of the flexible substrate.
    Type: Application
    Filed: March 23, 2021
    Publication date: July 8, 2021
    Inventors: JAE MIN SHIN, Seung Bae Kang, Jong Ho Hong, Gun Mo Kim, Min Woo Kim, Won Sang Park, Hye Jin Joo
  • Patent number: 11050045
    Abstract: A display device includes a planarization layer covering transistors in a display area on a substrate, an organic light emitting diode on the planarization layer, a pad electrode in a non-display area on the substrate surrounding the display area, and a sacrificial layer remnant capping a side surface of the pad electrode.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Heesung Yang, Seung Bae Kang, Bonggu Kang, Tae Wook Kang, Joon-Hwa Bae, Woojin Cho, Byoung Kwon Choo
  • Publication number: 20210114163
    Abstract: A substrate processing apparatus includes: a conveyor belt configured to have an outer surface on which a bottom surface of a substrate is seated; and a polishing head unit configured to face an upper surface of the substrate, wherein the polishing head unit includes: a polishing head connected to a driver; a polishing pad configured to face the polishing head; a polishing pad fixing ring disposed between the polishing head and the polishing pad; and a temperature sensor configured to overlap the polishing pad fixing ring and to be spaced apart from the polishing pad fixing ring.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 22, 2021
    Inventors: Seung Bae KANG, Sung Hyeon PARK, Jung Gun NAM, Joon-Hwa BAE, Kyung Bo LEE, Keun Woo LEE, Woo Jin CHO, Byoung Kwon CHOO
  • Patent number: 10985332
    Abstract: A display device includes a plurality of islands and a bridge connecting the plurality of islands to each other. Each of the plurality of islands includes a flexible substrate, a thin film transistor positioned on a first surface of the flexible substrate, a first electrode connected to the thin film transistor, and a protective mask positioned on a second surface of the flexible substrate.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: April 20, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Min Shin, Seung Bae Kang, Jong Ho Hong, Gun Mo Kim, Min Woo Kim, Won Sang Park, Hye Jin Joo
  • Patent number: 10937838
    Abstract: An OLED display device includes a substrate including a display region and a pad region, a display structure in the display region on the substrate, and a pad electrode structure in the pad region on the substrate, the pad electrode structure having a first pad electrode on the substrate, a first insulation layer covering opposite lateral portions of the first pad electrode and exposing a portion of an upper surface of the first pad electrode, a second pad electrode on the first pad electrode and on the first insulation layer, the second pad electrode having a step portion where the first pad electrode and the first insulation layer are overlapped, and a third pad electrode on the second pad electrode and on the first insulation layer, the third electrode covering the second pad electrode.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: March 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Seock Kim, Jong-Hee Park, Bong-Won Lee, Seung-Bae Kang, Sang-Gab Kim, Jeong-Min Park, Hyun-Eok Shin
  • Publication number: 20210008685
    Abstract: A method of manufacturing a display and a chemical mechanical polishing method which employ a chemical mechanical polishing apparatus that includes a conveyor belt to transfer a substrate, a polishing head disposed on the conveyor belt, and a body part which moves the polishing head and supplies a slurry to the polishing head. The polishing head includes a first polishing part including a first polishing pad surrounding a first slurry outlet, and a second polishing part surrounding the first polishing part and including a second polishing pad. A second slurry outlet is formed between the first polishing part and the second polishing part, and the first polishing part and the second polishing part are movable independently of each other in a direction substantially perpendicular to the substrate.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 14, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Jung-Gun NAM, Seung-Bae KANG, Heesung YANG, Bonggu KANG, Joon-Hwa BAE, Woo-Jin CHO, Byoung-Kwon CHOO
  • Publication number: 20200343332
    Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.
    Type: Application
    Filed: July 10, 2020
    Publication date: October 29, 2020
    Inventors: Jong Ho Hong, Gun Mo Kim, Jae Min Shin, Hye Jin Joo, Min Woo Kim, Seung Bae Kang
  • Patent number: 10790448
    Abstract: A flexible electrode for a display device may include a conductive structure including a lower conductive pattern disposed on a substrate and an upper conductive pattern disposed on the lower conductive pattern, and an electrode layer disposed on the substrate, the electrode layer being adjacent to the conductive structure. A width of a top surface of the lower conductive pattern may be less than a width of a bottom surface of the upper conductive pattern.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: September 29, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chan-Woo Yang, Seung-Bae Kang, Han-Su Kim, Bong-Won Lee
  • Patent number: 10756290
    Abstract: An organic light-emitting display device is provided. The organic light-emitting display device comprises a substrate, a thin-film transistor (TFT) disposed on the substrate, an overcoat layer disposed on the TFT, a first electrode disposed on the overcoat layer and including a lower electrode layer, an intermediate electrode layer, which is disposed on the lower electrode layer, and an upper electrode layer, which is disposed on the intermediate electrode layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, wherein the first electrode includes a first area in which the lower electrode layer, the intermediate electrode layer and the upper electrode layer are sequentially stacked and a second area in which the lower electrode layer and the upper electrode layer are sequentially stacked.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Min Shin, Woong Sik Kim, Won Sang Park, Seung Bae Kang, Min Woo Kim, Jong Ho Hong
  • Patent number: 10748982
    Abstract: The present inventive concept relates to a display device. A display device according to an exemplary embodiment of the present inventive concept include: a base layer including a plurality of islands in which a pixel is disposed, a plurality of bridges disposed around each of the plurality of islands, a plurality of first wires disposed in a bridge of the plurality of bridges connected to the pixel is disposed; an inorganic insulating layer disposed on the base layer and having an opening exposing a portion of the bridge; and an organic material layer covering the opening, wherein adjacent islands of the plurality of islands are connected to each other through at least the bridge of the plurality of bridges, and the plurality of first wires are disposed on the organic material layer.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: August 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Ho Hong, Gun Mo Kim, Jae Min Shin, Hye Jin Joo, Min Woo Kim, Seung Bae Kang