Patents by Inventor Bong-Jun Lee

Bong-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: 20240122053
    Abstract: Provided are display panel manufacturing method and apparatus. The display panel manufacturing method includes detecting a machining target area of a bottom layer, removing an area, overlapping the machining target area, of a top layer, emitting a laser beam to the machining target area of the bottom layer to provide a bottom pattern from the machining target area, and providing a compensation pattern in the removed area of the top layer.
    Type: Application
    Filed: October 10, 2023
    Publication date: April 11, 2024
    Inventors: SUNGJUN KIM, WOO HYUK KWON, JAE MYOUN DO, BONG HO SUL, SEUNG NOH LEE, GYEOM UK KIM, YOUNG-BAE KIM, YOUNG-JUN YUN, KYUNGCHEOL LEE, KYUNGSEOK HEO, GUN-A HWANG, MINHO HWANG
  • Publication number: 20230252932
    Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q, and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 10, 2023
    Inventors: Jung Hwan HWANG, Beom Jun KIM, Seong Yeol SYN, Bong-Jun LEE, You Mee HYUN
  • Patent number: 11631359
    Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q, and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: April 18, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hwan Hwang, Beom Jun Kim, Seong Yeol Syn, Bong-Jun Lee, You Mee Hyun
  • Publication number: 20210209997
    Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q, and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
    Type: Application
    Filed: March 22, 2021
    Publication date: July 8, 2021
    Inventors: Jung Hwan HWANG, Beom Jun KIM, Seong Yeol SYN, Bong-Jun LEE, You Mee HYUN
  • Patent number: 10957242
    Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q, and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: March 23, 2021
    Inventors: Jung Hwan Hwang, Beom Jun Kim, Seong Yeol Syn, Bong-Jun Lee, You Mee Hyun
  • Publication number: 20200020269
    Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q, and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Inventors: Jung Hwan HWANG, Beom Jun KIM, Seong Yeol SYN, Bong-Jun LEE, You Mee HYUN
  • Patent number: 10467946
    Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q, and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: November 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hwan Hwang, Beom Jun Kim, Seong Yeol Syn, Bong-Jun Lee, You Mee Hyun
  • Patent number: 10115365
    Abstract: A gate driving circuit including a plurality of stages connected with each other and configured to output a plurality of gate signals. An n-th (n is a natural number) stage including a gate output part including a first transistor connected between a clock signal and an output node outputting an n-th gate signal, the first transistor having a gate electrode connected to a control node, a carry part connected between the clock signal and a carry node outputting an n-th carry signal, a first node control part connected between the output node and a first low voltage, and a second node control part including at least one transistor connected between the control node and a second low voltage different from the first low voltage.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: October 30, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beom-Jun Kim, Myung-Koo Hur, Bong-Jun Lee, Yeon-Kyu Moon, Myung-Sub Lee, Gyu-Tae Kim
  • Patent number: 9844155
    Abstract: A display panel includes a first substrate, a second substrate which faces the first substrate, is smaller than the first substrate so that an edge of the first substrate is exposed in a plan view, a fixing member disposed on the exposed edge of the first substrate, and a bonding member disposed between the first substrate and the fixing member.
    Type: Grant
    Filed: June 24, 2014
    Date of Patent: December 12, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byeong-Jae Ahn, Ju-Hyeon Baek, Dong-Wuuk Seo, Bong-Jun Lee
  • Patent number: 9817283
    Abstract: A display, includes: a substrate; first signal lines (FSLs) disposed on the substrate and extending in substantially a first direction; a gate insulating layer (GIL) disposed on the FSLs; a first electrode disposed on the GIL; a thin film transistor (TFT) connected to a FSL of the FSLs and including the GIL and the first electrode; a pixel electrode (PE) extending in substantially the first direction, connected to the TFT, and configured to receive a data voltage from the TFT; a common electrode (CE) overlapping with at least a portion of the PE; and a first insulating layer disposed between the PE and CE. One of the PE and the CE has a planar shape and the other includes branch electrodes overlapping with the planar shape and extending substantially parallel to the FSL. At least a portion of the CE overlaps with at least a portion of the FSL.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: November 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk-Sung Kim, Bong-Jun Lee, Sung Man Kim, Seul Ki Kim, Jin Yun Kim, Dong Wuuk Seo, Min Hee Son
  • Patent number: 9798197
    Abstract: A display, includes: a substrate; first signal lines (FSLs) at least partially recessed in the substrate and extending in substantially a direction; a gate insulating layer (GIL) disposed on the FSLs; a first electrode disposed on the GIL; a thin film transistor (TFT) connected to a FSL of the FSLs and including the GIL and the first electrode; a pixel electrode (PE) extending in substantially the direction, connected to the TFT, and configured to receive a data voltage from the TFT; a common electrode (CE) overlapping with at least a portion of the PE; and a first insulating layer disposed between the PE and CE. One of the PE and the CE has a planar shape and the other includes branch electrodes overlapping with the planar shape and extending substantially parallel to the FSL. At least a portion of the CE overlaps with at least a portion of the FSL.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: October 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk-Sung Kim, Bong-Jun Lee, Sung Man Kim, Seul Ki Kim, Jin Yun Kim, Dong Wuuk Seo, Min Hee Son
  • Patent number: 9666607
    Abstract: A display device includes a signal line disposed on a substrate. A signal input line is disposed on the substrate and connected to a driver. A first insulating layer is disposed on the signal line. A second insulating layer is disposed on the signal input line and the first insulating layer. First contact holes penetrate the first insulating layer and the second insulating layer and expose a portion of the signal line. Second contact holes penetrate the second insulating layer and expose a portion of the signal input line. A connecting member connects the signal line and the signal input line through the first and the second contact holes and is disposed on the second insulating layer. The first and the second contact holes are alternately arranged in the second insulating layer.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: May 30, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hong-Kyu Kim, Bong-Jun Lee, Ju Hee Lee, Sun-Kwun Son, Jae Yoon Jung, Seung Han Jo
  • Publication number: 20170140698
    Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
    Type: Application
    Filed: January 26, 2017
    Publication date: May 18, 2017
    Inventors: Jung Hwan HWANG, Beom Jun KIM, Seong Yeol SYN, Bong-Jun LEE, You Mee HYUN
  • Patent number: 9601075
    Abstract: A display panel includes a plurality of pixels disposed in an active area and arranged substantially in a matrix form including a pixel row and a pixel column, a first gate line disposed adjacent to a first side n of the pixel row and connected to a first pixel in the pixel row, a second gate line disposed adjacent to a second side of the pixel row and connected to a second pixel in the pixel row, a plurality of data lines crossing the first and second gate lines, where the pixels in a pair of adjacent pixel columns are connected to a same data line, and a blocking pattern which overlaps a pixel column disposed in an end portion of the active area.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bong-Jun Lee, Ji-Young Jeong, Ju-Hyeon Baek, Dong-Wuuk Seo, Byeong-Jae Ahn
  • Patent number: 9589519
    Abstract: A display panel is provided. The display panel includes a display area comprising a gate line and a data line, and a gate driver connected to a terminal of the gate line. The gate driver includes a plurality of stages that are integrated on a substrate, and each stage comprises an inverter unit, an output unit, and a Q node stabilization unit. The output unit includes a first transistor and a first capacitor, wherein the first transistor includes an input terminal for receiving a clock signal, a control terminal connected to a node Q, and an output terminal connected to a gate voltage output terminal to output a gate voltage. A Vgs voltage of a transistor in the Q node stabilization unit has a value of equal to or less than 0 V when the output unit outputs a gate-on voltage.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: March 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hwan Hwang, Beom Jun Kim, Seong Yeol Syn, Bong-Jun Lee, You Mee Hyun
  • Patent number: 9568790
    Abstract: A liquid crystal display includes: a first substrate; a gate line and a common voltage line that are on the first substrate; a gate insulating layer on the gate line and the common voltage line; a semiconductor layer on the gate insulating layer; a data line and a drain electrode that are on the semiconductor layer; a pixel electrode on the data line and the drain electrode; a passivation layer on the pixel electrode; a common electrode on the passivation layer; a second substrate; and a liquid crystal layer interposed between the first and second substrates. The pixel electrode contacts the drain electrode via a first contact hole, the common electrode contacts the common voltage line via a second contact hole in the gate insulating layer and the passivation layer, and the first and second contact holes are adjacently disposed in a thin film transistor forming region.
    Type: Grant
    Filed: September 3, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yun Heo, Bong-Jun Lee, Dong Wuuk Seo, Jong Woong Chang
  • Publication number: 20160351158
    Abstract: A gate driving circuit including a plurality of stages connected with each other and configured to output a plurality of gate signals. An n-th (n is a natural number) stage including a gate output part including a first transistor connected between a clock signal and an output node outputting an n-th gate signal, the first transistor having a gate electrode connected to a control node, a carry part connected between the clock signal and a carry node outputting an n-th carry signal, a first node control part connected between the output node and a first low voltage, and a second node control part including at least one transistor connected between the control node and a second low voltage different from the first low voltage.
    Type: Application
    Filed: August 8, 2016
    Publication date: December 1, 2016
    Inventors: Beom-Jun KIM, Myung-Koo HUR, Bong-Jun LEE, Yeon-Kyu MOON, Myung-Sub LEE, Gyu-Tae KIM
  • Patent number: 9459505
    Abstract: A display device includes a first insulation substrate, a gate line disposed on the first insulation substrate, a semiconductor layer disposed on the gate line, a data line insulated from and crossing the gate line and including a source electrode and a drain electrode facing the source electrode, a first insulating layer disposed on the source electrode and the drain electrode, a pixel electrode electrically connected to the drain electrode, a second insulating layer disposed on the pixel electrode, a common electrode disposed on the second insulating layer, and a shielding pattern part disposed on a same layer as the pixel electrode and overlapping the data line.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: October 4, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bong-Jun Lee, Ji Young Jeong, Seul Ki Kim, Ju Hyeon Baek, Kyung-Seob Choi
  • Publication number: 20160282685
    Abstract: A display, includes: a substrate; first signal lines (FSLs) disposed on the substrate and extending in substantially a first direction; a gate insulating layer (GIL) disposed on the FSLs; a first electrode disposed on the GIL; a thin film transistor (TFT) connected to a FSL of the FSLs and including the GIL and the first electrode; a pixel electrode (PE) extending in substantially the first direction, connected to the TFT, and configured to receive a data voltage from the TFT; a common electrode (CE) overlapping with at least a portion of the PE; and a first insulating layer disposed between the PE and CE. One of the PE and the CE has a planar shape and the other includes branch electrodes overlapping with the planar shape and extending substantially parallel to the FSL. At least a portion of the CE overlaps with at least a portion of the FSL.
    Type: Application
    Filed: June 13, 2016
    Publication date: September 29, 2016
    Inventors: Duk-Sung Kim, Bong-Jun Lee, Sung Man Kim, Seul Ki Kim, Jin Yun Kim, Dong Wuuk Seo, Min Hee Son
  • Patent number: 9412315
    Abstract: A gate driving circuit is provided which includes a plurality of stages cascade-connected with each other and outputting a plurality of gate signals. An n-th (n is a natural number) stage includes a gate output part, a first node control part and a carry part. The gate output part includes a first transistor. The first transistor outputs a high voltage of a clock signal to a high voltage of an n-th gate signal in response to a high voltage of a control node. The first node control part is connected to the control node to control a signal of the control node and includes at least one transistor having a channel longer than the channel length of the first transistor. The carry part outputs the high voltage of the clock signal to an n-th carry signal in response to the signal of the control node.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: August 9, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Beom-Jun Kim, Myung-Koo Hur, Bong-Jun Lee, Yeon-Kyu Moon, Myung-Sub Lee, Gyu-Tae Kim