Patents by Inventor Dong-hoon Lee
Dong-hoon 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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Patent number: 12684963Abstract: A display device includes a data line, a first power line, a second power line, a pixel disposed in a display area and connected to the data line, the first power line, and the second power line, a transistor disposed in a non-display area around the display area and connected to the data line and the first power line, and a first light shielding layer extending from a portion of the second power line to the transistor and disposed on the transistor.Type: GrantFiled: September 27, 2022Date of Patent: July 14, 2026Assignee: Samsung Display Co., Ltd.Inventors: Haemin Kim, Kyunghoon Chung, Myunghoon Park, Byungchang Yu, Dong-Hoon Lee
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Publication number: 20260155417Abstract: The present disclosure relates to a polymer electrolyte membrane comprising an ion conductor, wherein the ion conductor includes a cation conductive group and an anion conductive group, a method for manufacturing same, and a membrane-electrode assembly comprising same.Type: ApplicationFiled: November 1, 2022Publication date: June 4, 2026Inventors: Sung-Hyun YUN, Jung Hwa PARK, Dong-Hoon LEE, Kum Suck SONG, Hye Song LEE
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Patent number: 12641962Abstract: A display panel includes a first peripheral upper electrode disposed on an insulating layer in a peripheral area, a second peripheral upper electrode disposed on the insulating layer in the peripheral area and disposed closer to the display area than the first peripheral upper electrode, a display separator disposed between the upper electrode of the first light emitting device and the upper electrode of the second light emitting device, and a peripheral separator disposed between the first peripheral upper electrode and the second peripheral upper electrode to realize superior electrical reliability.Type: GrantFiled: October 24, 2023Date of Patent: May 26, 2026Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jangmi Kang, Myunghoon Park, Byungchang Yu, Dong-Hoon Lee
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Publication number: 20260120645Abstract: A driver includes a first gate emission signal generator which generates a first driving signal; a second gate emission signal generator which generates a second driving signal; a clock line which is disposed between the first gate emission signal generator and the second gate emission signal generator and outputs a clock signal; and a low voltage line which is disposed between the first gate emission signal generator and the second gate emission signal generator and outputs a low voltage line. The first gate emission signal generator and the second gate emission signal generator are electrically connected to a same clock line. The first gate emission signal generator and the second gate emission signal generator are electrically connected to a same low voltage line.Type: ApplicationFiled: July 10, 2025Publication date: April 30, 2026Applicant: Samsung Display Co., LTD.Inventors: JAEHYUNG CHO, DONG-HOON LEE, MINJAE JEONG, ILNAM KIM, MINKYU WOO, JAEYONG JANG
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Publication number: 20260114135Abstract: A display device including a substrate including a display area; a pixel driving circuit part including at least one transistor disposed on the substrate in the display area; an organic insulating layer disposed on the transistor, wherein the organic insulating layer includes a first upper surface substantially flat in a first area of a light-emitting area of the display area and a second upper surface inclined at a predetermined slope in a second area of the light-emitting area, and wherein a center region of the second upper surface is at a level different than a level of the first upper surface; a pixel electrode disposed on the organic insulating layer; a pixel defining layer having a pixel opening exposing at least a portion of the pixel electrode; and a light-emitting layer disposed in the pixel opening.Type: ApplicationFiled: July 28, 2025Publication date: April 23, 2026Inventors: JUNG-HUN NOH, HEEJEAN PARK, DONG-HOON LEE, SUNGCHUL HONG
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Publication number: 20260107636Abstract: Provided is a display apparatus including a substrate, a first thin-film transistor, and a second thin-film transistor, wherein the first thin-film transistor includes a first active layer including an oxide and is disposed above the substrate, the second thin-film transistor includes a second active layer including an oxide and is disposed above the substrate, and the first thin-film transistor is disposed between the substrate and the second thin-film transistor in a thickness direction of the substrate such that a distance between the substrate and the first thin-film transistor has a smaller value than a distance between the substrate and the second thin-film transistor.Type: ApplicationFiled: July 22, 2025Publication date: April 16, 2026Applicant: Samsung Display Co., Ltd.Inventors: DONG-HOON LEE, BON-YONG KOO, YEONHONG KIM, YUJIN LEE, MINDO HEO
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Patent number: 12604613Abstract: Disclosed is a display device which includes pixel drivers, each of which includes a first transistor switched by a voltage of a node and electrically connected between a second electrode and a second power supply line, a second transistor electrically connected between the node and a data line and switched by a write scan signal, and a capacitor including a first capacitor electrode electrically connected to the node and a second capacitor electrode electrically connected between the second power supply line and the first transistor. First electrodes of light emitting elements overlap each of the first capacitor electrodes of the pixel drivers.Type: GrantFiled: September 11, 2023Date of Patent: April 14, 2026Assignee: Samsung Display Co., Ltd.Inventors: Dong-Hoon Lee, Jangmi Kang, Myunghoon Park, Minkyu Woo, Byungchang Yu
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Patent number: 12596447Abstract: A display device includes a display panel and an input sensor. The input sensor may include a first sensing electrode, a signal line electrically connected to a first terminal of the first sensing electrode, a first line at least partially overlapping the first sensing electrode and extending in the same direction as the first sensing electrode in the active area, and a first switching element defining a first current path in the first sensing electrode and the first line or blocking the first current path.Type: GrantFiled: October 21, 2024Date of Patent: April 7, 2026Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong-Hoon Lee, Haemin Kim, Myunghoon Park, Byungchang Yu, Kyunghoon Chung
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Patent number: 12581817Abstract: A display device includes a first electrode portion that overlaps a first sensing electrode of an input sensor, a second electrode portion spaced apart from the first electrode portion and that overlaps a second sensing electrode of the input sensor, a voltage line of a first group that is connected to the first electrode portion, and a voltage line of a second group that is connected to the second electrode portion. The first electrode portion and the second electrode portion correspond to an electrode of a light emitting element.Type: GrantFiled: November 7, 2022Date of Patent: March 17, 2026Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong-Hoon Lee, Donguk Kang, Hyunjoon Kim, Haemin Kim, Myunghoon Park, Byungchang Yu
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Publication number: 20260011295Abstract: Disclosed is a display panel including a first driving circuit including first stages arranged along a first direction, a second driving circuit including second stages arranged along the first direction, and at least one clock line between the first driving circuit and the second driving circuit, and extending along the first direction, wherein the first stages and the second stages include an oxide semiconductor transistor including an oxide semiconductor layer, and a gate electrode overlapping portions of the oxide semiconductor layer, and a conductive pattern adjacent to the oxide semiconductor transistor, and at a same layer as the gate electrode.Type: ApplicationFiled: June 25, 2025Publication date: January 8, 2026Inventors: DONG-HOON LEE, ILNAM KIM, MINKYU WOO, JAEYONG JANG, MINJAE JEONG, JAEHYUNG CHO
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Publication number: 20250318384Abstract: A display device includes a display area, a first signal pad, a second signal pad, an auxiliary circuit part, an organic protective layer, an insulating film, a first organic film, and a second organic film. The auxiliary circuit part disposed between the first signal pad and the second signal pad in a non-display area, and the organic protective layer overlaps the auxiliary circuit part. The insulating film includes a first insulating opening defined between the first signal pad and the auxiliary circuit part and a second insulating opening defined between the second signal pad and the auxiliary circuit part, and the insulating film may be disposed on the organic protective layer. The first and second organic film may be disposed respectively to fill at least a portion of the first and second insulating openings.Type: ApplicationFiled: April 3, 2025Publication date: October 9, 2025Inventors: KIKYUNG YOUK, HONGAM KIM, SEUNGSUE RYU, DONG-HOON LEE
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Patent number: 12402455Abstract: A display device includes a first substrate including a display area including pixels and a non-display area adjacent to the display area, a second substrate facing to the first substrate, a sealing member contacting the first substrate and the second substrate and disposed in the non-display area, a light emitting diode disposed on the first substrate in the display area, a protective layer covering the light emitting diode and spaced apart from the sealing member, a spacer disposed in the non-display area, disposed between the protective layer and the sealing member and surrounding the display area, and a filler disposed between the first substrate and the second substrate.Type: GrantFiled: August 3, 2022Date of Patent: August 26, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Myunghoon Park, Hyunjoon Kim, Haemin Kim, Byungchang Yu, Dong-Hoon Lee
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Patent number: 12381203Abstract: The present invention relates to a secondary battery comprising a cathode, an anode and a separator interposed between the cathode and the anode, wherein the anode comprises an anode current collector and an anode mixture layer formed on at least one surface of the anode current collector, the anode mixture layer comprises an anode active material, a binder, and a conductive material, a loading amount of the anode mixture layer is 5 mg/cm2 to 15 mg/cm2, and value R of the anode mixture layer is 3,000 or less, wherein R means (permeability of the anode mixture layer)×(current density of a battery)2. According to the present invention, an overvoltage phenomenon of an anode surface and the deposition of lithium metal caused thereby can be prevented so that charging can be performed with a higher current, and thus rapid charging performance is improved, and lifespan is excellent even in the same current.Type: GrantFiled: November 9, 2023Date of Patent: August 5, 2025Assignee: SK ON CO., LTD.Inventors: Dong-Hoon Lee, Hwan-Ho Jang, Hyo-Sung Lim
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Publication number: 20250209960Abstract: A gate driver includes stages including a delay circuit for receiving an input signal responsive to a clock signal and outputting the input signal to a control node, a voltage limiting circuit for limiting a voltage of the control node based on high and low limit voltages, an inverter circuit for inverting and outputting the voltage of the control node to an inverting control node, a carry output circuit for outputting a first low gate voltage to a carry output node and outputting a first high gate voltage to the carry output node responsive to the voltage of the inverting control node and a gate output circuit for outputting a second low gate voltage that is lower than the first low gate voltage to a gate output node and outputting a second high gate voltage that is higher than the first high gate voltage to the gate output node.Type: ApplicationFiled: December 12, 2024Publication date: June 26, 2025Inventors: Hyunjoon KIM, Bon-Yong KOO, Junhyun PARK, Jihoon YANG, Minjae JEONG, Junghwan HWANG, Jaeyong JANG, Dong-Hoon LEE, Jaehyung CHO
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Publication number: 20250169290Abstract: A light emitting display device includes a pixel driving part including a transistor, a planarization layer covering the pixel driving part, an anode of a light emitting diode disposed on the planarization layer, a pixel defining layer including an opening that overlaps the anode of the light emitting diode in a plan view, and including an inorganic insulating material, a wall including an opening overlapping the opening of the pixel defining layer and having conductivity, a light emitting layer disposed in the opening of the pixel defining layer, a cathode of the light emitting diode disposed on the light emitting layer, and a separator dividing the wall into a first wall and a second wall, wherein the first wall is electrically connected to the transistor of the pixel driving part through a first contact hole passing through the pixel defining film and the planarization layer.Type: ApplicationFiled: October 17, 2024Publication date: May 22, 2025Applicant: Samsung Display Co., LTD.Inventors: Dong-Hoon LEE, Bon-Yong KOO, TAEGYUN KIM, Min Jae JEONG, Jae Hyung CHO, MINDO HEO
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Publication number: 20250160166Abstract: A display device comprising a display panel and an input sensor comprising detection electrodes overlapping an active area, and first trace lines connected to the detection electrodes, having a portion overlapping the active area, and comprising mesh lines overlapping the active area, having a portion extending in a first direction, and comprising a first row mesh line having a portion extending in the first direction, and a second row mesh line having a portion extending in the first direction, and spaced apart from the first row mesh line in a second direction, and a second portion electrically connected to the mesh lines, overlapping the peripheral area, extending in the second direction, and comprising a first column wiring connected to the first row mesh line and extending in the second direction, and a second column wiring connected to the second row mesh line and extending in the second direction.Type: ApplicationFiled: January 16, 2025Publication date: May 15, 2025Inventors: JAEHYUNG CHO, DONG-HOON LEE, MUKYUNG JEON
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Patent number: 12249282Abstract: A display device is disclosed that includes a first circuit including a driving transistor including a first electrode, a second electrode, a gate electrode, and a back gate electrode, a light emitting element including an anode and a cathode connected to the first circuit, and a second circuit including a first transistor connected between the back gate electrode of the driving transistor and a compensation voltage line, and a second transistor connected between the back gate electrode of the driving transistor and a first voltage line.Type: GrantFiled: June 9, 2023Date of Patent: March 11, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byungchang Yu, Jangmi Kang, Myunghoon Park, Dong-Hoon Lee
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Patent number: 12232395Abstract: A display device including a display panel and an input sensor including detection electrodes overlapping an active area, and first trace lines connected to the detection electrodes, having a portion overlapping the active area, and including mesh lines overlapping the active area, having a portion extending in a first direction, and including a first row mesh line having a portion extending in the first direction, and a second row mesh line having a portion extending in the first direction, and spaced apart from the first row mesh line in a second direction, and a second portion electrically connected to the mesh lines, overlapping the peripheral area, extending in the second direction, and including a first column wiring connected to the first row mesh line and extending in the second direction, and a second column wiring connected to the second row mesh line and extending in the second direction.Type: GrantFiled: March 28, 2023Date of Patent: February 18, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jaehyung Cho, Dong-Hoon Lee, Mukyung Jeon
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Publication number: 20250053255Abstract: A display device includes a display panel and an input sensor. The input sensor may include a first sensing electrode, a signal line electrically connected to a first terminal of the first sensing electrode, a first line at least partially overlapping the first sensing electrode and extending in the same direction as the first sensing electrode in the active area, and a first switching element defining a first current path in the first sensing electrode and the first line or blocking the first current path.Type: ApplicationFiled: October 21, 2024Publication date: February 13, 2025Inventors: DONG-HOON LEE, HAEMIN KIM, MYUNGHOON PARK, BYUNGCHANG YU, KYUNGHOON CHUNG
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Patent number: 12165600Abstract: A display device includes a substrate including a display area, a first peripheral area, a second peripheral area, and a bending area, a data distributor in the second peripheral area, a data driver in the second peripheral area, first data connection line groups including first data connection lines connected to the data distributor and receiving a data signal output from the data driver in response to a first distribution selection signal, second data connection line groups including second data connection lines connected to the data distributor and receiving the data signal in response to a second distribution selection signal, first power connection lines positioned between one of the first data connection line groups and one of the second data connection line groups and second power connection lines positioned between one of the first data connection line groups and one of the second data connection line groups.Type: GrantFiled: August 21, 2023Date of Patent: December 10, 2024Assignee: Samsung Display Co., Ltd.Inventors: Dong-Hoon Lee, Haemin Kim, Youngwan Seo, Geunho Lee