Patents by Inventor A Ra Jo

A Ra Jo 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: 10514800
    Abstract: A touch panel includes first touch electrodes, second touch electrodes, and third touch electrodes. The first touch electrodes include sub electrodes spaced apart from one another in a first direction. The second touch electrodes extend in a second direction crossing the first direction. The second touch electrodes are spaced apart from one another in the first direction. The third touch electrodes extend in the second direction and are spaced apart from one another in the first direction. The third touch electrodes are shaped differently than the second touch electrodes.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: December 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: A-Ra Jo, Sang-Hyun Lim, Chang-Sub Jung, Jae-Woo Choi
  • Publication number: 20190354241
    Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.
    Type: Application
    Filed: May 1, 2019
    Publication date: November 21, 2019
    Inventors: Jang Hui Kim, Ga Young Kim, A Ra Jo
  • Patent number: 10481713
    Abstract: A display device may include a display panel, a window member provided above the display panel, a housing accommodating the display panel and the window member and including at least one protrusion on an inner surface thereof, and a pressure sensor including a first conductive layer provided on the at least one protrusion and a second conductive layer provided at a peripheral area of the first conductive layer to be spaced apart from the first conductive layer.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: November 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: A Ra Jo, Sang Hyun Lim, Chang Sub Jung, Jae Woo Choi
  • Publication number: 20190339817
    Abstract: An input sensing device includes a plurality of first sensing electrodes having a plurality of first sensor units extending in a first direction. A plurality of second sensing electrodes has a plurality of second sensor units extending in a second direction different from the first direction, A first strain gauge includes a first force electrode located proximate to a first electrode of the plurality of first sensing electrodes. A second force electrode is located proximate to a second electrode of the plurality of first sensing electrodes. A first connecting electrode connects to both of the first force electrode and the second force electrode.
    Type: Application
    Filed: March 19, 2019
    Publication date: November 7, 2019
    Inventors: JANG HUI KIM, HYUNG CHUL KIM, A RA JO
  • Patent number: 10466821
    Abstract: A display device includes a display panel configured to display an image on a front surface thereof, and a flexible circuit board connected to the display panel and configured to drive the display panel. The display device further includes a pressure sensor including a first electrode and a second electrode. The pressure sensor is configured to sense a change of capacitance of a capacitor, which is formed between the first electrode and the second electrode, in accordance with a pressure applied thereto. The flexible circuit board includes a first surface and a second surface facing the first surface. The first electrode and the second electrode are disposed on the first surface or the second surface.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: November 5, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang Hyun Lim, Chang Sub Jung, A Ra Jo, Jae Woo Choi
  • Publication number: 20190317626
    Abstract: A touch sensing device includes a first base layer, a plurality of first sensing electrodes disposed on the first base layer and spaced apart in a first direction, a plurality of second sensing electrodes disposed on a same layer as the first sensing electrodes and arranged in different rows from the first sensing electrodes, a plurality of third sensing electrodes on the second sensing electrodes that are spaced apart along a second direction different from the first direction and that overlap the second sensing electrodes, and a plurality of fourth sensing electrodes on the first sensing electrodes that are spaced apart along the second direction and that overlap the first sensing electrodes. At least two of the second sensing electrodes are directly connected to each other.
    Type: Application
    Filed: March 19, 2019
    Publication date: October 17, 2019
    Inventors: IN NAM LEE, JANG HUI KIM, SANG CHUL LEE, A RA JO
  • Patent number: 10379641
    Abstract: A touch screen apparatus includes: an active area and a non-active area outside the active area; first sensing electrodes arranged along a first direction in the active area; second sensing electrodes arranged along a second direction intersecting the first direction in the active area, the second sensing electrodes being insulated from the first sensing electrodes; and at least one additional sensing electrode separated from the first and second sensing electrodes, the at least one additional sensing electrode being located in the non-active area.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hyun Lim, Chang Sub Jung, A Ra Jo, Jae Woo Choi
  • Patent number: 10371976
    Abstract: A display deice capable of recognizing a uniform intensity of a touch regardless of a position of a touch input. The display device includes a display panel including a first area and a second area surrounding the first area, a plurality of pressure sensors disposed on the display panel, a dielectric layer disposed on the plurality of pressure sensors, and a bracket accommodating the display panel, the plurality of pressure sensors, and the dielectric layer. The dielectric layer forms a capacitance between the plurality of pressure sensors and the bracket. A first capacitance corresponding to the first area is smaller than a second capacitance corresponding to the second area.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: August 6, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yeon Tae Kim, A Ra Jo
  • Publication number: 20190202284
    Abstract: An air guide structure of a vehicle is provided in which a duct for introducing outdoor air into an air cooling device of an engine includes an upper duct that is positioned in a radiator grille and a lower duct that is positioned in a bumper grille. The air guide structure includes a variable screen that is positioned between the upper duct and the lower duct and is formed to have a shape or a position that is changed according to a difference in flow rate between upper flow and lower flow introduced through the upper duct and the lower duct, respectively. The variable screen is disposed on a duct wall surface between the upper duct and the lower duct.
    Type: Application
    Filed: October 3, 2018
    Publication date: July 4, 2019
    Inventors: Dang-Hee Park, Jung-Hyeok Lim, Min-Young Lee, Seung-Hoon Lee, Il-Suk Yang, Sun-An Jeong, Tae-Soo Chun, Yong-Kil Cha, Seong-Oh Jeon, A-Ra Jo
  • Patent number: 10340244
    Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: July 2, 2019
    Assignee: AMKOR TECHNOLOGY, INC.
    Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn
  • Patent number: 10282010
    Abstract: A display device includes: a display panel including an upper electrode and an encapsulation layer provided on the upper electrode; a touch panel including a first touch electrode and a second touch electrode each facing the upper electrode and positioned between the display panel and a cover window covering the display panel, the first touch electrode being separated from the second touch electrode; an elastic layer provided on the display panel and deforming in response to an applied pressure from a touch; and a touch sensor programmed to detect an applied pressure from a change in gaps between the first and second touch electrodes and the upper electrode due to the applied pressure, and to detect a capacitance between the first touch electrode and the second touch electrode caused by the touch, so as to sense a position of the touch.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Woo Choi, Sang Hyun Lim, Chang Sub Jung, A Ra Jo, Eun Gil Choi
  • Publication number: 20190077917
    Abstract: A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted aromatic diamine having a maximum absorption wavelength in a range from 500 nanometers (nm) to 650 nm in a visible light region, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.
    Type: Application
    Filed: September 10, 2018
    Publication date: March 14, 2019
    Inventors: Boreum JEONG, Sang Soo JEE, Won Suk CHANG, Kyeong-sik JU, Chanjae AHN, A Ra JO, Sungwon CHOI
  • Publication number: 20190077916
    Abstract: A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: wherein, in Chemical Formulae 1 to 3, A, R3, R10, R12, R13, X, n7 and n8 are the same as defined in the specification.
    Type: Application
    Filed: September 10, 2018
    Publication date: March 14, 2019
    Inventors: A Ra JO, Chanjae AHN, Sungwon CHOI, Won Suk CHANG, Boreum JEONG
  • Publication number: 20180355108
    Abstract: A film comprising a polyimide or poly(imide-amide) copolymer, wherein the film has an amplitude of a surface roughness curve of less than or equal to 270 nanometers.
    Type: Application
    Filed: June 8, 2018
    Publication date: December 13, 2018
    Inventors: A Ra JO, Chanjae AHN, Sungwon CHOI, Sun Jin SONG, Boreum JEONG, Won Suk CHANG
  • Patent number: 10151231
    Abstract: A heat exchanger for a vehicle includes an inlet tank configured to receive air from an air circuit of the vehicle. The heat exchanger further includes a heat exchange assembly disposed intermediate the inlet tank and an outlet tank. The heat exchange assembly exchanging heat between the air and a coolant. The outlet tank is configured to directly couple to an engine block of the vehicle and convey the air to the engine block. The outlet tank has at least two openings formed therein. The openings are configured to communicate with corresponding cylinders of the engine block of the vehicle.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: December 11, 2018
    Assignee: HANON SYSTEMS
    Inventors: Leo Somhorst, James Grainger, Petr Fabian, A-Ra Jo
  • Patent number: 10139928
    Abstract: An electronic pen sensing device includes: a substrate including a sensing region and a first sub sensing region, the first sub sensing region having a width smaller than a width of the sensing region; a first closed loop line disposed along edges of the sensing region and wound N times in a first rotation direction from a first node to a second node, and disposed along edges of the first sub sensing region and wound M times in a first rotation direction from the second node to the first node; and a controller configured to calculate a location of an electronic pen based on a first induction current which is output through the first node, wherein N and M are positive integers.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: November 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Lim, Chang-Sub Jung, A-Ra Jo, Jae-Woo Choi
  • Publication number: 20180320976
    Abstract: The present invention relates to an integral heat exchanger including: a first heat exchange portion for performing the heat exchange of a first heat exchange medium with external air; a second heat exchange portion separated from the first heat exchange portion and performing the heat exchange of a second heat exchange medium with the first heat exchange medium; and a third heat exchange portion for introducing the second heat exchange medium passing through the second heat exchange portion and to perform the heat exchange of the introduced second heat exchange medium with external air, wherein the first to third heat exchange portions are formed in one body integrally to each other.
    Type: Application
    Filed: July 6, 2018
    Publication date: November 8, 2018
    Inventors: A-Ra Jo, Tae-Soo Chun, Taek-Keun Kim, Yang-Woo Lee
  • Publication number: 20180305545
    Abstract: A poly(amide-imide) copolymer including a reaction product of at least one tetracarboxylic acid dianhydride, at least one diamine, and at least one dicarboxylic acid derivative, wherein the at least one tetracarboxylic acid dianhydride includes a tetracarboxylic acid dianhydride represented by Chemical Formula 1, the at least one diamine includes a diamine represented by Chemical Formula 2, and the at least one dicarboxylic acid derivative includes a dicarboxylic acid derivative represented by Chemical Formula 3: wherein, R1 to R3, X1 and X2 are the same as defined in the specification.
    Type: Application
    Filed: April 20, 2018
    Publication date: October 25, 2018
    Inventors: Chanjae AHN, Jungha CHAE, Won Suk CHANG, A Ra JO, Sang Soo JEE, Sungwon CHOI
  • Publication number: 20180230278
    Abstract: A polyimide film, which is a reaction product of a diamine including an amide structural unit in an amount of greater than about 0 mol % and less than or equal to about 80 mol % and an aromatic dianhydride, wherein the polyimide film has a Martens hardness of about 14 N/mm2 to about 120 N/mm2 at a thickness of about 30 ?m to about 100 ?m.
    Type: Application
    Filed: July 21, 2017
    Publication date: August 16, 2018
    Inventors: Sunghyun HAN, Chanjae AHN, Won Suk CHANG, A Ra JO, Sungwon CHOI
  • Publication number: 20180211929
    Abstract: A semiconductor device includes a low-density substrate, a high-density patch positioned inside a cavity in the low-density substrate, a first semiconductor die, and a second semiconductor die. The first semiconductor dies includes high-density bumps and low-density bumps. The second semiconductor die includes high-density bumps and low-density bumps. The high-density bumps of the first semiconductor die and the high-density bumps of the second semiconductor die are electrically connected to the high-density patch. The low-density bumps of the first semiconductor die and the low-density bumps of the second semiconductor die are electrically connected to the low-density substrate.
    Type: Application
    Filed: December 19, 2017
    Publication date: July 26, 2018
    Inventors: Jae Hun Bae, Won Chul Do, Min Yoo, Young Rae Kim, Min Hwa Chang, Dong Hyun Kim, Ah Ra Jo, Seok Geun Ahn