Patents by Inventor Junwon Choi
Junwon Choi 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: 11437441Abstract: An electronic apparatus includes a display panel including a base substrate including an active area and a peripheral area adjacent to the active area, pixels on the active area, pads on the peripheral area and arranged in a first direction, signal lines connecting the pixels to the pads, and a vernier mark on the peripheral area and spaced apart from the pads and the signal lines, a circuit board on the display panel and including a base film, and leads on the base film and overlapping with the pads in a plan view, and a conductive adhesive member extending in the first direction and between the display panel and the circuit board to connect the pads to the leads. The conductive adhesive member overlaps with the vernier mark when viewed in a second direction intersecting the first direction.Type: GrantFiled: June 6, 2019Date of Patent: September 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jun-yong An, Yun-kyeong In, Junwon Choi, Wonmi Hwang
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Patent number: 11424422Abstract: A display device having improved reliability includes a substrate including a display area and a peripheral area outside the display area. The display area includes a central display area, a first bending display area contacting the central display area and bent about a first bending axis, and a second bending display area bent about a second bending axis intersecting the first bending axis. The peripheral area includes a corner area rounded and adjacent to the first bending display area and the second bending display area. This display device includes an inorganic layer disposed at the display area and the peripheral area, an opening pattern formed in the inorganic layer and corresponding to the corner area, and a first organic material layer covering the opening pattern.Type: GrantFiled: March 18, 2020Date of Patent: August 23, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Junwon Choi, Wonkyu Kwak, Changsoo Pyon
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Publication number: 20220208929Abstract: A display device includes: a substrate in which a transmission area, a display area, a non-display area and the display area, and a peripheral area are defined; pixels arranged on the display area; initialization gate lines and compensation gate lines extending along pixel rows; gate driving circuits disposed on the peripheral area; and gate connection lines disposed on the non-display area. A k-th gate driving circuit among the gate driving circuits simultaneously drives m-th and (m+1)-th initialization gate lines and n-th and (n+1)-th compensation gate lines. First portions of the n-th and (n+1)-th compensation gate lines and second portions of the n-th and (n+1)-th compensation gate lines, which are physically apart from each other by the transmission area, are electrically connected to each other through a first gate connection line among gate connection lines.Type: ApplicationFiled: September 2, 2021Publication date: June 30, 2022Inventors: Junyoung Min, Jaewon Kim, Junwon Choi
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Publication number: 20220181404Abstract: A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.Type: ApplicationFiled: February 25, 2022Publication date: June 9, 2022Inventors: Junwon Choi, Yunkyeong In, Wonmi Hwang, Junyong An
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Publication number: 20220181421Abstract: A display device includes: pixel circuits defining pixel circuit rows each extending in a first direction and pixel circuit columns each extending in a second direction crossing the first direction; active patterns disposed to correspond to the pixel circuits, respectively; a horizontal diode initialization voltage line which transmits a diode initialization voltage and extends in the first direction; and a vertical diode initialization voltage line extending in the second direction and connected to the horizontal diode initialization voltage line. Each of the active patterns includes first and second diode initialization active regions to which the diode initialization voltage is applied. First active patterns of the plurality of the active patterns corresponding to one of the pixel circuit rows are connected to each other. A first end of one of the first and second diode initialization active regions contact the vertical diode initialization voltage line.Type: ApplicationFiled: October 20, 2021Publication date: June 9, 2022Inventors: JUNWON CHOI, JAEWON KIM, JUNYOUNG MIN
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Patent number: 11302772Abstract: A display apparatus includes: a substrate having a display area, a peripheral area outside the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line between a side of the display area and the pad area, in the peripheral area, the first voltage line supplying a first voltage to the organic light-emitting device; and a first sensing line in the peripheral area, the first sensing line measuring the first voltage of the first voltage line, wherein a first contact where an end of the first sensing line and the first voltage line are connected is between the bending area and the display area.Type: GrantFiled: September 10, 2020Date of Patent: April 12, 2022Assignee: Samsung Display Co., Ltd.Inventors: Junwon Choi, Wonmi Hwang, Junyong An, Yunkyeong In
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Patent number: 11260319Abstract: The present invention provides a solid phase extraction method using a micro device having a dam forming portion including a dam, the solid phase extraction method comprising the steps of: (i) injecting a solvent and a filler into the micro device, moving the solvent to the dam forming portion, the dam allowing the solvent to flow therethrough and preventing the filler from passing therethrough, and adsorbing a material to be separated onto the filler in the dam forming portion; and (ii) extracting, from the filler, the adsorbed material, wherein the micro device is rotated with respect to a central axis during one of steps (i) and (ii), and the rotation of the micro device is performed at an angular velocity defined by equation 1.Type: GrantFiled: August 7, 2019Date of Patent: March 1, 2022Inventors: Junwon Choi, Dae Hun Kim, Seonyoung Jegal, Ye Hoon Im, Yeu Young Youn
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Patent number: 11264432Abstract: A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.Type: GrantFiled: June 16, 2020Date of Patent: March 1, 2022Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Junwon Choi, Yunkyeong In, Wonmi Hwang, Junyong An
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Publication number: 20220059637Abstract: A display apparatus includes first initialization voltage lines extending in a first direction, second initialization voltage lines extending in the first direction, first initialization connection lines extending in a second direction intersecting the first direction and electrically connecting the first initialization voltage lines to each other, second initialization connection lines extending in the second direction and electrically connecting the second initialization voltage lines to each other, and pixels connected to the first initialization voltage lines, the second initialization voltage lines, the first initialization connection lines and the second initialization connection lines.Type: ApplicationFiled: February 26, 2021Publication date: February 24, 2022Inventors: Junwon Choi, Jaesic Lee, Jaewon Kim, Junyoung Min, Jinhee Jang
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Publication number: 20210335988Abstract: A display device includes a substrate including a display region, a hole, and a hole edge region surrounding the hole, first data lines disposed on the substrate, extending in a first direction, arranged in a second direction intersecting the first direction in the display region, and bypassing the hole along the hole edge region, and second data lines disposed on the substrate, extending in the first direction, alternately arranged with the first data lines in the second direction in the display region, and bypassing the hole along the hole edge region. At least one of the first data lines intersects at least one of the second data lines such that the first data lines are disposed adjacent to each other and the second data lines are disposed adjacent to each other in the hole edge region.Type: ApplicationFiled: April 19, 2021Publication date: October 28, 2021Applicant: Samsung Display Co., LTD.Inventors: Nuree UM, Wonkyu KWAK, Kyung-Hoon KIM, Mihae KIM, Jaewon KIM, Hyungjun PARK, Changsoo PYON, Kyonghwan OH, Junwon CHOI
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Publication number: 20210303040Abstract: A display apparatus includes: a substrate having a transmission area, a display area, and a non-display area, wherein the display area surrounds the transmission area, and the non-display area is between the transmission area and the display area; a first wire on the substrate and including a first-1 wire and a first-2 wire extending in a first direction and being spaced apart from each other by the transmission area; a first connecting wire on a same layer as that of the first wire and connecting the first-1 wire to the first-2 wire; and a second wire extending in the first direction and including a second-1 portion and a second-2 portion, wherein the second-1 portion at least partially overlaps the first connecting wire and is arranged on a different layer from that of the first wire, and the second-2 portion is on the same layer as that of the first wire.Type: ApplicationFiled: November 24, 2020Publication date: September 30, 2021Inventors: Junwon CHOI, Seungwoo SUNG, Hyungjun PARK, Hyunchol BANG, Changsoo PYON
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Patent number: 11108060Abstract: A fuel cell stack structure in which unit cells are stacked includes first window frames and second window frame. The second window frames each have an area larger than an area of a first window frame and are periodically disposed at a predetermined interval in a direction in which the unit cells are stacked. Heat movement is promoted, a temperature deviation in the fuel cell stack structure is mitigated, and a temperature distribution is uniformized.Type: GrantFiled: July 18, 2018Date of Patent: August 31, 2021Assignee: LG CHEM, LTD.Inventors: Tai Min Noh, Jaesung Kim, Sanghyeok Im, Kwangyeon Park, Ye Hoon Im, Kwangwook Choi, Junwon Choi
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Patent number: 11004393Abstract: A display device includes: a first driving transistor including a first gate electrode and a first semiconductor layer including a first source region and a first drain region, the first driving transistor being in a first pixel area of a substrate; a second driving transistor including a second gate electrode and a second semiconductor layer including a second source region and a second drain region, the second driving transistor being in a second pixel area adjacent the first pixel area of the substrate; a first electrode layer overlapping at least a portion of the first source region of the first driving transistor; a second electrode layer overlapping at least a portion of the second source region of the second driving transistor; a first power line electrically connected to the first electrode layer; and a second power line electrically connected to the second electrode layer.Type: GrantFiled: May 18, 2020Date of Patent: May 11, 2021Assignee: Samsung Display Co., Ltd.Inventors: Minkyu Woo, Minku Lee, Junwon Choi
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Patent number: 10997582Abstract: A payment transaction method and device are provided. The electronic device includes a first communication module comprising first communication circuitry configured to transmit and receive first payment information, a second communication module comprising second communication circuitry configured to transmit second payment information, and a processor which is functionally connected to the first and second communication modules, wherein the processor is configured to receive a payment request signal, to select one of the first and second communication modules based on the received payment request signal, and to transmit payment information corresponding to the selected communication module to an external device.Type: GrantFiled: March 16, 2017Date of Patent: May 4, 2021Assignee: Samsung Electronics Co., Ltd.Inventor: Junwon Choi
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Publication number: 20210091320Abstract: A display device having improved reliability includes a substrate including a display area and a peripheral area outside the display area. The display area includes a central display area, a first bending display area contacting the central display area and bent about a first bending axis, and a second bending display area bent about a second bending axis intersecting the first bending axis. The peripheral area includes a corner area rounded and adjacent to the first bending display area and the second bending display area. This display device includes an inorganic layer disposed at the display area and the peripheral area, an opening pattern formed in the inorganic layer and corresponding to the corner area, and a first organic material layer covering the opening pattern.Type: ApplicationFiled: March 18, 2020Publication date: March 25, 2021Applicant: Samsung Display Co., Ltd.Inventors: Junwon CHOI, Wonkyu KWAK, Changsoo PYON
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Publication number: 20210091164Abstract: A display device includes: a substrate including a display area and a peripheral area outside the display area, the display area including a first display area and a second display area; a first fan-out portion in a portion of the peripheral area outside the first display area; a second fan-out portion outside the first fan-out portion; a first power supply line in the peripheral area corresponding to one side of the display area and overlapping at least a portion of the first fan-out portion; and a second power supply line in the peripheral area outside the display area and overlapping at least a portion of the second fan-out portion.Type: ApplicationFiled: June 30, 2020Publication date: March 25, 2021Inventors: Byungsun KIM, Wonkyu KWAK, Kyeonghwa KIM, Jaewon KIM, Hyungjun PARK, Seungyeon CHO, Junwon CHOI
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Patent number: 10956895Abstract: A payment transaction method and device are provided. The electronic device includes a first communication module comprising first communication circuitry configured to transmit and receive first payment information, a second communication module comprising second communication circuitry configured to transmit second payment information, and a processor which is functionally connected to the first and second communication modules, wherein the processor is configured to receive a payment request signal, to select one of the first and second communication modules based on the received payment request signal, and to transmit payment information corresponding to the selected communication module to an external device.Type: GrantFiled: March 16, 2017Date of Patent: March 23, 2021Assignee: Samsung Electronics Co., Ltd.Inventor: Junwon Choi
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Publication number: 20200411632Abstract: A display apparatus includes: a substrate having a display area, a peripheral area outside the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line between a side of the display area and the pad area, in the peripheral area, the first voltage line supplying a first voltage to the organic light-emitting device; and a first sensing line in the peripheral area, the first sensing line measuring the first voltage of the first voltage line, wherein a first contact where an end of the first sensing line and the first voltage line are connected is between the bending area and the display area.Type: ApplicationFiled: September 10, 2020Publication date: December 31, 2020Inventors: Junwon CHOI, Wonmi HWANG, Junyong AN, Yunkyeong IN
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Publication number: 20200376410Abstract: The present invention provides a solid phase extraction method using a micro device having a dam forming portion including a dam, the solid phase extraction method comprising the steps of: (i) injecting a solvent and a filler into the micro device, moving the solvent to the dam forming portion, the dam allowing the solvent to flow therethrough and preventing the filler from passing therethrough, and adsorbing a material to be separated onto the filler in the dam forming portion; and (ii) extracting, from the filler, the adsorbed material, wherein the micro device is rotated with respect to a central axis during one of steps (i) and (ii), and the rotation of the micro device is performed at an angular velocity defined by equation 1.Type: ApplicationFiled: August 7, 2019Publication date: December 3, 2020Applicant: LG Chem, Ltd.Inventors: Junwon Choi, Dae Hun Kim, Seonyoung Jegal, Ye Hoon Im, Yeu Young Youn
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Patent number: 10804353Abstract: A display apparatus includes: a substrate having a display area, a peripheral area outside the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line between a side of the display area and the pad area, in the peripheral area, the first voltage line supplying a first voltage to the organic light-emitting device; and a first sensing line in the peripheral area, the first sensing line measuring the first voltage of the first voltage line, wherein a first contact where an end of the first sensing line and the first voltage line are connected is between the bending area and the display area.Type: GrantFiled: January 18, 2019Date of Patent: October 13, 2020Assignee: Samsung Display Co., Ltd.Inventors: Junwon Choi, Wonmi Hwang, Junyong An, Yunkyeong In