Patents by Inventor SoJung LEE
SoJung 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).
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Publication number: 20230340680Abstract: Provided are a silver nanocluster catalyst for carbon dioxide conversion, a gas diffusion electrode including the same, a zero-gap reactor including the same, and a method of converting carbon dioxide showing an excellent conversion rate and high selectivity using the same.Type: ApplicationFiled: April 7, 2023Publication date: October 26, 2023Inventors: Dongil LEE, Hoeun SEONG, Sojung LEE
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Patent number: 11782567Abstract: Embodiments of the present disclosure are related to a touch display device, as a touch sensor connecting pattern for a connection between touch sensors or a connection between a touch sensor and a touch routing line is disposed by using a same material with a voltage line disposed on a subpixel. Thus, an electrode structure for a touch sensing can be implemented while reducing a manufacturing process. Furthermore, as the voltage line is disposed to overlap at least a part of the touch sensor and the touch routing line, a performance of the touch sensing can be improved by reducing an influence that a parasitic capacitance by a driving of a light-emitting element affects the touch sensing.Type: GrantFiled: November 1, 2022Date of Patent: October 10, 2023Assignee: LG Display Co., Ltd.Inventors: SoJung Lee, Youngjun Choi, HyeMi Oh
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Publication number: 20230206839Abstract: A display device, a data driving circuit and a display driving method are discussed. The display device can include a display panel in which a plurality of subpixel circuits including a light emitting element, a driving transistor, and a sensing transistor are disposed. The display device further can include a gate driving circuit configured to supply a plurality of scan signals to the display panel through a plurality of gate lines, a data driving circuit configured to supply a plurality of data voltages to the display panel through a plurality of data lines and supply a constant current to the plurality of subpixel circuits during a resistance sensing period, and a timing controller configured to control the gate driving circuit and the data driving circuit, and supply compensation image data to the display panel by using the resistance of the sensing transistor detected in the resistance sensing period.Type: ApplicationFiled: October 20, 2022Publication date: June 29, 2023Applicant: LG Display Co., Ltd.Inventors: HyeMi OH, SangWook LEE, SoJung LEE
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Publication number: 20230185413Abstract: Embodiments of the present disclosure are related to a touch display device, as a touch sensor connecting pattern for a connection between touch sensors or a connection between a touch sensor and a touch routing line is disposed by using a same material with a voltage line disposed on a subpixel. Thus, an electrode structure for a touch sensing can be implemented while reducing a manufacturing process. Furthermore, as the voltage line is disposed to overlap at least a part of the touch sensor and the touch routing line, a performance of the touch sensing can be improved by reducing an influence that a parasitic capacitance by a driving of a light-emitting element affects the touch sensing.Type: ApplicationFiled: November 1, 2022Publication date: June 15, 2023Inventors: SoJung Lee, Youngjun Choi, HyeMi Oh
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Publication number: 20230178019Abstract: Embodiments of the present disclosure are related to a display device, a turn-on state, a turn-off state of a driving transistor can be easily controlled by a control of a control voltage applied to a control gate electrode opposed to a driving gate electrode of the driving transistor and a non-light-emitting driving can be performed in a display driving. Furthermore, as the non-light-emitting driving is performed by the control voltage applied to the control gate electrode of the driving transistor, the non-light-emitting driving can be performed independently from a period in which a scan signal is applied, the non-light-emitting driving can be performed without affecting a display driving and a video response time of the display device can be improved.Type: ApplicationFiled: November 1, 2022Publication date: June 8, 2023Inventors: Youngjun Choi, HyeMi Oh, SoJung Lee
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Publication number: 20230089997Abstract: A light emitting display device can include a substrate including an emission area and a non-emission area, a thin film transistor on the substrate, a first overcoating layer on the thin film transistor, an organic light emitting diode on the first overcoating layer and connected to the thin film transistor, an encapsulation unit on the organic light emitting diode, and a touch unit on the encapsulation unit. The touch unit can include an open area defined by a plurality of touch electrodes. The organic light emitting diode can include a first electrode, an emission layer and a second electrode. Further, a portion of the first electrode and a portion of a side mirror-shaped dummy first electrode separated from the first electrode can be disposed in the open area defined by the plurality of touch electrodes.Type: ApplicationFiled: November 30, 2022Publication date: March 23, 2023Applicant: LG Display Co., LTD.Inventors: SoJung LEE, JongSung KIM, Seungkyeom KIM, Sumin LEE
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Patent number: 11545648Abstract: According to an aspect of the present disclosure, a light emitting display device includes a substrate defined by a plurality of sub-pixels and a first overcoating layer disposed on the substrate, a connection electrode and a sacrificial layer disposed on the first overcoating layer, a first electrode disposed on the connection electrode, a second overcoating layer disposed on the sacrificial layer and including an opening that exposes a portion of the first electrode, a dummy first electrode disposed on a top surface of the second overcoating layer and a side surface of the opening and separated from the first electrode, a bank layer covering the dummy first electrode and a portion of the first electrode, and an emission layer and a second electrode disposed on the first electrode and the bank layer.Type: GrantFiled: August 17, 2020Date of Patent: January 3, 2023Assignee: LG DISPLAY CO., LTD.Inventors: SoJung Lee, JongSung Kim, Seungkyeom Kim, Sumin Lee
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Patent number: 11189814Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. An organic light-emitting display apparatus includes: a substrate including an active area and a pad area, an anode electrode in the active area, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode, a signal pad in the pad area, and a first pad electrode connected to the signal pad, the first pad electrode covering a top of the signal pad, the first pad electrode being configured to prevent the top of the signal pad from being corroded, wherein the auxiliary electrode includes a first auxiliary electrode and a second auxiliary electrode connected to the first auxiliary electrode through a contact hole, and wherein the first pad electrode includes a same material as the first auxiliary electrode.Type: GrantFiled: March 28, 2019Date of Patent: November 30, 2021Assignee: LG Display Co., Ltd.Inventors: SeJune Kim, Joonsuk Lee, SoJung Lee, Jin-Hee Jang, Jonghyeok Im, JaeSung Lee
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Publication number: 20210119183Abstract: According to an aspect of the present disclosure, a light emitting display device includes a substrate defined by a plurality of sub-pixels and a first overcoating layer disposed on the substrate, a connection electrode and a sacrificial layer disposed on the first overcoating layer, a first electrode disposed on the connection electrode, a second overcoating layer disposed on the sacrificial layer and including an opening that exposes a portion of the first electrode, a dummy first electrode disposed on a top surface of the second overcoating layer and a side surface of the opening and separated from the first electrode, a bank layer covering the dummy first electrode and a portion of the first electrode, and an emission layer and a second electrode disposed on the first electrode and the bank layer.Type: ApplicationFiled: August 17, 2020Publication date: April 22, 2021Applicant: LG Display Co., LTD.Inventors: SoJung Lee, JongSung Kim, Seungkyeom Kim, Sumin Lee
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Patent number: 10777766Abstract: An organic light-emitting diode (OLED) display device and a method of fabricating the same can reduce resistance of a cathode by forming an auxiliary electrode. Also, such OLED display device and method can prevent damage on a pad electrode due to an etchant during patterning of an anode by applying a protective structure to the pad electrode of a pad area and by including the pad electrode exposed from a plurality of pad electrode layers.Type: GrantFiled: November 30, 2018Date of Patent: September 15, 2020Assignee: LG Display Co., Ltd.Inventors: JongHyeok Im, SeJune Kim, JoonSuk Lee, SoJung Lee, JaeSung Lee
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Patent number: 10446627Abstract: A method of manufacturing an organic light emitting display device can include providing a source electrode, a drain electrode and a signal pad on a substrate; providing a passivation layer on the source electrode, the drain electrode and the signal pad, providing a planarization layer on the passivation layer; providing a anode electrode connected with the source electrode or drain electrode, and providing an auxiliary electrode spaced apart from the anode electrode; providing a contact hole for exposing the signal pad by removing a predetermined portion of the passivation layer; providing a bank on one side and the other side of the anode electrode and one side and the other side of the auxiliary electrode; providing an organic emitting layer on the anode electrode; and providing a cathode electrode connected with the auxiliary electrode and provided on the organic emitting layer, in which the signal pad includes a lower signal pad, a central signal pad and an upper signal pad, and the central signal pad isType: GrantFiled: July 13, 2018Date of Patent: October 15, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Jonghyeok Im, SeJune Kim, Joonsuk Lee, SoJung Lee, Jin-Hee Jang, JaeSung Lee
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Publication number: 20190252634Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. An organic light-emitting display apparatus includes: a substrate including an active area and a pad area, an anode electrode in the active area, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode, a signal pad in the pad area, and a first pad electrode connected to the signal pad, the first pad electrode covering a top of the signal pad, the first pad electrode being configured to prevent the top of the signal pad from being corroded, wherein the auxiliary electrode includes a first auxiliary electrode and a second auxiliary electrode connected to the first auxiliary electrode through a contact hole, and wherein the first pad electrode includes a same material as the first auxiliary electrode.Type: ApplicationFiled: March 28, 2019Publication date: August 15, 2019Applicant: LG Display Co., Ltd.Inventors: SeJune KIM, Joonsuk Lee, SoJung Lee, Jin-Hee Jang, Jonghyeok Im, JaeSung Lee
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Patent number: 10276838Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. An organic light-emitting display apparatus includes: a substrate including an active area and a pad area, an anode electrode in the active area, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode, a signal pad in the pad area, and a first pad electrode connected to the signal pad, the first pad electrode covering a top of the signal pad, the first pad electrode being configured to prevent the top of the signal pad from being corroded, wherein the auxiliary electrode includes a first auxiliary electrode and a second auxiliary electrode connected to the first auxiliary electrode through a contact hole, and wherein the first pad electrode includes a same material as the first auxiliary electrode.Type: GrantFiled: February 6, 2018Date of Patent: April 30, 2019Assignee: LG Display Co., Ltd.Inventors: SeJune Kim, Joonsuk Lee, SoJung Lee, Jin-Hee Jang, Jonghyeok Im, JaeSung Lee
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Publication number: 20190097161Abstract: An organic light-emitting diode (OLED) display device and a method of fabricating the same can reduce resistance of a cathode by forming an auxiliary electrode. Also, such OLED display device and method can prevent damage on a pad electrode due to an etchant during patterning of an anode by applying a protective structure to the pad electrode of a pad area and by including the pad electrode exposed from a plurality of pad electrode layers.Type: ApplicationFiled: November 30, 2018Publication date: March 28, 2019Applicant: LG Display Co., Ltd.Inventors: JongHyeok IM, SeJune KIM, JoonSuk LEE, SoJung LEE, JaeSung LEE
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Patent number: 10186568Abstract: An organic light emitting display device includes a thin film transistor (TFT) including a gate electrode and a source electrode. An anode electrode is disposed on the TFT, and a cathode electrode disposed on an organic emission layer is connected to an auxiliary electrode which is disposed on a same layer on which the anode electrode is disposed. A signal pad disposed in a pad area of a substrate is disposed on a same layer on which the gate electrode is disposed in an active area of the substrate. A pad electrode disposed on the signal pad is connected to the signal pad through a contact hole.Type: GrantFiled: December 30, 2015Date of Patent: January 22, 2019Assignee: LG DISPLAY CO., LTD.Inventors: SeJune Kim, Joonsuk Lee, SoJung Lee, Jin-Hee Jang, Jonghyeok Im, JaeSung Lee
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Patent number: 10181573Abstract: An organic light-emitting diode (OLED) display device and a method of fabricating the same can reduce resistance of a cathode by forming an auxiliary electrode. Also, such OLED display device and method can prevent damage on a pad electrode due to an etchant during patterning of an anode by applying a protective structure to the pad electrode of a pad area and by including the pad electrode exposed from a plurality of pad electrode layers.Type: GrantFiled: July 10, 2015Date of Patent: January 15, 2019Assignee: LG Display Co., Ltd.Inventors: JongHyeok Im, SeJune Kim, JoonSuk Lee, SoJung Lee, JaeSung Lee
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Publication number: 20180323244Abstract: A method of manufacturing an organic light emitting display device can include providing a source electrode, a drain electrode and a signal pad on a substrate; providing a passivation layer on the source electrode, the drain electrode and the signal pad, providing a planarization layer on the passivation layer; providing a anode electrode connected with the source electrode or drain electrode, and providing an auxiliary electrode spaced apart from the anode electrode; providing a contact hole for exposing the signal pad by removing a predetermined portion of the passivation layer; providing a bank on one side and the other side of the anode electrode and one side and the other side of the auxiliary electrode; providing an organic emitting layer on the anode electrode; and providing a cathode electrode connected with the auxiliary electrode and provided on the organic emitting layer, in which the signal pad includes a lower signal pad, a central signal pad and an upper signal pad, and the central signal pad isType: ApplicationFiled: July 13, 2018Publication date: November 8, 2018Applicant: LG DISPLAY CO., LTD.Inventors: Jonghyeok IM, SeJune KIM, Joonsuk LEE, SoJung LEE, Jin-Hee JANG, JaeSung LEE
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Patent number: 10056339Abstract: A semiconductor device includes a substrate, a first insulation layer, data storage elements, a contact plug, and a first dummy dam. The first insulation layer is on the substrate and includes a pad region and a peripheral region adjacent to the pad region. The data storage elements are on the pad region of the first insulation layer. The contact plug penetrates the first insulation layer on the peripheral region. The first dummy dam penetrates the first insulation layer and is disposed between the data storage elements and the contact plug.Type: GrantFiled: June 20, 2017Date of Patent: August 21, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Hyeon-Woo Jang, Junghwan Park, Ramakanth Kappaganthu, Sungjin Kim, Junyong Noh, Jung-Hoon Han, Seung Soo Kim, Sungjin Kim, Sojung Lee
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Patent number: 10056441Abstract: A method of manufacturing an organic light emitting display (OLED) device can include providing an anode electrode and an auxiliary electrode on a substrate; providing a first bank on the auxiliary electrode; providing a second bank between the auxiliary electrode and the anode electrode, in which the second bank is spaced apart from the first bank; providing an organic emitting layer on the anode electrode; and providing a cathode electrode on the organic emitting layer, in which a width of an upper surface of the first bank is larger than a width of a lower surface of the first bank, and the cathode electrode is connected with the auxiliary electrode via a gap space between the first bank and the second bank.Type: GrantFiled: March 12, 2018Date of Patent: August 21, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Jin-Hee Jang, SeJune Kim, SoJung Lee
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Patent number: 10056440Abstract: Discussed is an organic light emitting display device that may include an active area and a pad area on a substrate, wherein the active area includes an anode electrode, an organic emitting layer, a cathode electrode, and an auxiliary electrode connected with the cathode electrode and provided in the same layer as the anode electrode, and the pad area includes a signal pad, and a passivation layer for covering a lateral surface of the signal pad, wherein the passivation layer has a contact hole for exposing an upper surface of the signal pad. Also, the signal pad includes a lower signal pad, a central signal pad and an upper signal pad, and the central signal pad is surrounded by the lower signal pad, the upper signal pad and the passivation layer.Type: GrantFiled: May 27, 2016Date of Patent: August 21, 2018Assignee: LG DISPLAY CO., LTD.Inventors: Jonghyeok Im, SeJune Kim, Joonsuk Lee, SoJung Lee, Jin-Hee Jang, JaeSung Lee