Patents by Inventor Jang-Hui Kim
Jang-Hui Kim 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: 20220244803Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.Type: ApplicationFiled: April 18, 2022Publication date: August 4, 2022Inventors: Ga Young KIM, Jang Hui Kim, A Ra Jo
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Patent number: 11372508Abstract: A sensing circuit includes: a plurality of sensor electrodes; a first capacitance between the sensor electrodes; a plurality of proximity sensing electrodes electrically isolated from the sensor electrodes; and a second capacitance between at least one of the sensor electrodes and the proximity sensing electrodes. A density of at least one of the proximity sensing electrodes is less than a density of at least one of the sensor electrodes.Type: GrantFiled: April 14, 2020Date of Patent: June 28, 2022Assignee: Samsung Display Co., Ltd.Inventors: Choon Hyop Lee, Kang Won Lee, Ga Young Kim, Jang Hui Kim, A Ra Jo
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Publication number: 20220137736Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.Type: ApplicationFiled: December 9, 2021Publication date: May 5, 2022Inventors: Jang Hui KIM, Ga Young KIM, Do lk KIM, Sang Chul LEE, A Ra JO
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Patent number: 11314366Abstract: 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: GrantFiled: October 19, 2020Date of Patent: April 26, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jang Hui Kim, Hyung Chul Kim, A Ra Jo
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Patent number: 11307699Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.Type: GrantFiled: January 28, 2021Date of Patent: April 19, 2022Assignee: Samsung Display Co., Ltd.Inventors: Ga Young Kim, Jang Hui Kim, A Ra Jo
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Publication number: 20220113822Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Inventors: Do Ik Kim, Jang hui Kim, Sang Chul Lee, Ga Young Kim
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Publication number: 20220057898Abstract: An input sensing device includes an input sensing panel including driving electrodes and sensing electrodes, a driving signal generator that provides driving signals to the driving electrodes, respectively, and a sensing unit that receives sensing signals according to the driving signals from the sensing electrodes, and determines whether a touch is performed based on the sensing signals. Each of the driving signals includes a sinusoidal wave, and frequencies of at least some of the driving signals are different from each other.Type: ApplicationFiled: March 30, 2021Publication date: February 24, 2022Inventors: Choon Hyop LEE, Jang Hui KIM, Jae Won KIM, In Nam LEE
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Patent number: 11231825Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.Type: GrantFiled: March 31, 2020Date of Patent: January 25, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jang Hui Kim, Ga Young Kim, Do Ik Kim, Sang Chul Lee, A Ra Jo
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Patent number: 11231819Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.Type: GrantFiled: April 5, 2021Date of Patent: January 25, 2022Inventors: Do Ik Kim, Jang hui Kim, Sang Chul Lee, Ga Young Kim
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Publication number: 20210318730Abstract: A display device includes: a substrate; a first sensor electrode and a second sensor electrode disposed on the substrate; an antenna electrically separated from the first sensor electrode to transmit and receive radio frequency signals; and an antenna feed line electrically connected to the antenna pattern.Type: ApplicationFiled: January 21, 2021Publication date: October 14, 2021Inventors: Hyun Jae LEE, Jang Hui KIM, Kang Won LEE, Sang Chul LEE
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Publication number: 20210313401Abstract: A display device including a display panel including pixels that emit light on a frame basis. An input sensing unit includes driving electrodes and sensing electrodes. A driving signal generator is configured to provide driving signals to the driving electrodes. Analog front-ends are configured to receive sensing signals depending on the driving signals from the sensing electrodes. A signal processor is configured to detect touch input, based on differential output values of the analog front-ends. The driving signal generator provides the driving signals to the driving electrodes while avoiding a period in which a pulse of a vertical synchronization signal defining start of the frame is generated.Type: ApplicationFiled: March 11, 2021Publication date: October 7, 2021Inventors: In Nam Lee, Jang Hui Kim, Choon Hyop Lee
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Publication number: 20210263630Abstract: A display device, includes: a display panel having short sides and long sides; and a touch sensor on the display panel and including a sensing area and a non-sensing area around the sensing area, wherein the touch sensor includes: a first touch electrode unit including a plurality of first touch electrodes in the sensing area, arranged in a direction in which the short sides of the display panel extend, and each including a first opening; a second touch electrode unit including a plurality of second touch electrodes in the sensing area, arranged in a direction in which the long sides of the display panel extend, and each including a second opening; and a pressure sensor including a strain gauge, at least a part of the strain gauge being located in the sensing area.Type: ApplicationFiled: February 11, 2021Publication date: August 26, 2021Inventors: Jang Hui KIM, Ga Young KIM, Jung Mok PARK, A Ra JO
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Publication number: 20210223888Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.Type: ApplicationFiled: April 5, 2021Publication date: July 22, 2021Inventors: Do Ik KIM, Jang hui KIM, Sang Chul LEE, Ga Young KIM
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Publication number: 20210149517Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.Type: ApplicationFiled: January 28, 2021Publication date: May 20, 2021Inventors: Ga Young KIM, Jang Hui KIM, A Ra JO
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Patent number: 10969911Abstract: A touch sensor includes a base layer; a first electrode member that includes a plurality of first electrodes arranged on the base layer and electrically connected to each other along a first direction, each of the first electrodes including a first opening; a second electrode member that includes a plurality of second electrodes arranged on the base layer and electrically connected to each other along a second direction that intersects the first direction; a conductive member that includes a plurality of conductive patterns electrically connected to each other along the first direction; and a proximity detector that is electrically connected to the conductive member and configured to detect proximity of an object by receiving a proximity sensing signal from the conductive member. Each of the conductive patterns is located in the first opening of each of the first electrodes and spaced apart from each of the first electrodes, respectively.Type: GrantFiled: July 29, 2019Date of Patent: April 6, 2021Inventors: Do ik Kim, Jang hui Kim, Sang Chul Lee, Ga Young Kim
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Publication number: 20210064187Abstract: A sensing circuit includes: a plurality of sensor electrodes; a first capacitance between the sensor electrodes; a plurality of proximity sensing electrodes electrically isolated from the sensor electrodes; and a second capacitance between at least one of the sensor electrodes and the proximity sensing electrodes. A density of at least one of the proximity sensing electrodes is less than a density of at least one of the sensor electrodes.Type: ApplicationFiled: April 14, 2020Publication date: March 4, 2021Inventors: Choon Hyop LEE, Kang Won LEE, Ga Young KIM, Jang Hui KIM, A Ra JO
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Patent number: 10936137Abstract: 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: GrantFiled: March 19, 2019Date of Patent: March 2, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: In Nam Lee, Jang Hui Kim, Sang Chul Lee, A Ra Jo
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Patent number: 10936134Abstract: 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: GrantFiled: May 1, 2019Date of Patent: March 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Jang Hui Kim, Ga Young Kim, A Ra Jo
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Publication number: 20210034201Abstract: 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: ApplicationFiled: October 19, 2020Publication date: February 4, 2021Inventors: Jang Hui Kim, Hyung Chul Kim, A Ra Jo
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Patent number: 10908723Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.Type: GrantFiled: September 4, 2019Date of Patent: February 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Ga Young Kim, Jang Hui Kim, A Ra Jo