Patents by Inventor Sang-hyun Lim
Sang-hyun Lim 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: 20250165106Abstract: A sensor device includes first sensors, second sensors, and a sensor driver. The first sensors are arranged along a first direction, and the second sensors are arranged along a second direction. The sensor driver is configured to transmit driving signals to the first sensors through first sensor lines and to receive sensing signals from the second sensors through second sensor lines. During a first period, the sensor driver is configured to transmit the driving signals to a first group of sensors, and to transmit offset signals having a frequency that is equal to that of the driving signals and a phase that is different from that of the driving signals to a second group of sensors. During a second period, the sensor driver is configured to transmit the offset signals to the first group of sensors and to transmit the driving signals to the second group of sensors.Type: ApplicationFiled: October 15, 2024Publication date: May 22, 2025Inventors: Hyung Bae KIM, Sang Hyun LIM
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Publication number: 20250138673Abstract: A display device including: a display panel in which a plurality of pixels are arranged in an image display area; a touch sensing unit disposed on a surface of the display panel, wherein the touch sensing unit is configured to sense a touch of an electronic pen; a display driving circuit configured to drive the pixels; and a touch sensing circuit configured to generate touch coordinate data by detecting a touch position of the electronic pen, wherein the touch sensing circuit is configured to drive pen touch electrodes so that the electronic pen is electromagnetically charged, and to recognize a touch and a touch position of the electronic pen by detecting a variation of a pen touch sensing signal of the pen touch electrodes.Type: ApplicationFiled: January 3, 2025Publication date: May 1, 2025Inventor: Sang Hyun LIM
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Publication number: 20250138439Abstract: A substrate processing apparatus includes a process chamber having a space in which a substrate is disposed and processed in the process chamber, a supporter disposed in the process chamber and configured to support and rotate the substrate, a heater disposed in the process chamber and configured to heat a first surface of the substrate, where the heater includes one or more irradiation modules for generating light pulses and directing the light pulses to the first surface of the substrate, a controller configured to control an intensity of the light pulse generated by each of the one or more irradiation modules of the heater, and a fluid supplier configured to supply fluid to the first surface of the substrate.Type: ApplicationFiled: August 2, 2024Publication date: May 1, 2025Inventors: YOUNG HO HWANG, JAE HONG LIM, CHUL MIN CHO, SANG HYUN LIM, YOUNG KYUN IM, SEOK HEO
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Patent number: 12282625Abstract: A display device includes a display unit having pixels, a touch sensing unit including touch electrodes disposed on the display unit, and a touch driver configured to supply a touch driving signal to the plurality of touch electrodes and receive a touch sensing signal from the touch electrodes. The touch driver supplies a first touch driving signal having a first phase to one or more first touch electrodes, and supplies a second touch driving signal having a second phase opposite to the first phase to one or more second touch electrodes, at least a part of which is disposed across a specific point from the first touch electrodes. The touch driver receives a first touch sensing signal having the first phase from at least one of the first touch electrodes, and receives a second touch sensing signal having the second phase from at least one of the second touch electrodes.Type: GrantFiled: March 5, 2024Date of Patent: April 22, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sang Hyun Lim, Ga Young Kim, Young Min Park, Hyun Jee Jeon
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Patent number: 12216860Abstract: A display device including: a display panel in which a plurality of pixels are arranged in an image display area; a touch sensing unit disposed on a surface of the display panel, wherein the touch sensing unit is configured to sense a touch of an electronic pen; a display driving circuit configured to drive the pixels; and a touch sensing circuit configured to generate touch coordinate data by detecting a touch position of the electronic pen, wherein the touch sensing circuit is configured to drive pen touch electrodes so that the electronic pen is electromagnetically charged, and to recognize a touch and a touch position of the electronic pen by detecting a variation of a pen touch sensing signal of the pen touch electrodes.Type: GrantFiled: January 6, 2023Date of Patent: February 4, 2025Assignee: SAMSUNG DISPLAY CO., LTDInventor: Sang Hyun Lim
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Patent number: 12207408Abstract: A display device is provided. The display device comprises a display panel comprising an active area for displaying images on a front surface and a non-active area around the active area, and a flexible circuit board comprising at least one conductive line extending from one end to an opposite end, wherein the flexible circuit board is disposed on a rear surface of the display panel to have a loop shape surrounding more than half of at least a part of the active area.Type: GrantFiled: October 13, 2021Date of Patent: January 21, 2025Assignee: Samsung Display Co., Ltd.Inventors: Hyun Jee Jeon, Ga Young Kim, Young Min Park, Sang Hyun Lim
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Publication number: 20250013327Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.Type: ApplicationFiled: September 23, 2024Publication date: January 9, 2025Inventors: Do Ik KIM, Ga Young KIM, Sang Hyun LIM, Young Sik KIM, Sang Chul LEE, Hwan Hee JEONG
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Patent number: 12159013Abstract: A touch sensor includes first sensor patterns, second sensor patterns, a conductive line, and a temperature sensing electrode set. The first sensor patterns are electrically connected in a first direction. The second sensor patterns are electrically insulated from first sensor patterns and are electrically connected in a second direction different from the first direction. The conductive line is electrically connected to at least one of the first sensor patterns or at least one of the second sensor patterns. The temperature sensing electrode set is positioned between two of the first sensor patterns, is positioned between two of the second sensor patterns, or is positioned between the conductive line and at least one of the first sensor patterns and the second sensor patterns. The temperature sensing electrode set includes a first electrode and a second electrode spaced from each other.Type: GrantFiled: January 20, 2023Date of Patent: December 3, 2024Assignee: Samsung Display Co., Ltd.Inventors: Hyun Jee Jeon, Sang Hyun Lim
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Publication number: 20240393894Abstract: A display device includes a display panel including sub-pixels, a display panel driver configured to control the display panel, a touch panel including a touch sensor including a plurality of touch electrodes and a charger including a plurality of charge electrodes, and a touch panel driver configured to provide a first charge voltage having a first phase to N first charge electrodes among the charge electrodes in a first charge period, and provide the first charge voltage to M (M is different from N) second charge electrode among the charge electrodes in a second charge period.Type: ApplicationFiled: February 19, 2024Publication date: November 28, 2024Inventors: Kyo Won KU, Jin A KANG, Ga Young KIM, Mi Young KIM, Sang Hyun LIM
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Patent number: 12153758Abstract: A display device includes a display layer, a touch layer including a plurality of driving electrodes and a plurality of sensing electrodes, and a touch driving circuit supplying touch driving signals to the plurality of driving electrodes, receiving touch signals from the plurality of sensing electrodes, and generating a touch sensing signal including first and second touch sensing signals. The touch driving circuit receives one of the touch signals, detects first sensed voltages of the one touch signal every first cycle of the first touch sensing signal to calculate a phase delay amount of the one touch signal, delays a phase of the second touch sensing signal based on the phase delay amount, calculates second sensed voltages of the one touch signal every second cycle of the second touch sensing signal different from the first cycle, and recognizes a touch input based on the second sensed voltages.Type: GrantFiled: August 9, 2023Date of Patent: November 26, 2024Assignee: SAMSUNG DISPLAY CO., LTDInventors: Hyun Jee Jeon, Sang Hyun Lim
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Publication number: 20240385716Abstract: A display device including: a display unit having a plurality of pixels; a plurality of touch electrodes disposed on the display unit; a touch line connected to a first end of each of the plurality of touch electrodes; a common voltage line spaced apart from the plurality of touch electrodes; and a plurality of switching elements connected between the common voltage line and a second end of each of the plurality of touch electrodes.Type: ApplicationFiled: July 26, 2024Publication date: November 21, 2024Inventor: Sang Hyun LIM
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Patent number: 12147628Abstract: A display device includes a display panel including a plurality of pixels arranged in an image display area, a touch sensing unit disposed on a front surface of the display panel that senses a touch of a user's body part and a touch of an electronic pen, a display driving circuit that drives the pixels of the image display area, and a touch sensing circuit that generates touch coordinate data by detecting touch positions of the user's body part and the electronic pen. The touch sensing circuit senses the touch of the user's body part and allows the electronic pen to be charged during a touch electrode driving period by supplying touch driving signals generated by mixing driving signals of different frequency bands to touch electrodes during the touch electrode driving period.Type: GrantFiled: January 11, 2023Date of Patent: November 19, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Sang Hyun Lim
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Patent number: 12099671Abstract: A touch sensor includes a first electrode, a second electrode, and a sensing channel. The first electrode includes first electrode cells arranged in a first direction, a first connection portion connecting the first electrode cells in the first direction and a first opening disposed in at least one of the first electrode cells. The second electrode includes an electrode portion disposed in the first opening. The electrode portion is disposed on a same layer as the first electrode cells and separated from the first electrode. The sensing channel includes a first terminal and a second terminal. The first terminal is connected to the first electrode. The second terminal is connected to the second electrode.Type: GrantFiled: June 13, 2023Date of Patent: September 24, 2024Assignee: Samsung Display Co., Ltd.Inventors: Do Ik Kim, Ga Young Kim, Sang Hyun Lim, Young Sik Kim, Sang Chul Lee, Hwan Hee Jeong
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Patent number: 12079421Abstract: A display device including: a display unit having a plurality of pixels; a plurality of touch electrodes disposed on the display unit; a touch line connected to a first end of each of the plurality of touch electrodes; a common voltage line spaced apart from the plurality of touch electrodes; and a plurality of switching elements connected between the common voltage line and a second end of each of the plurality of touch electrodes.Type: GrantFiled: March 16, 2023Date of Patent: September 3, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Sang Hyun Lim
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Publication number: 20240248563Abstract: A display device includes a display unit having pixels, a touch sensing unit including touch electrodes disposed on the display unit, and a touch driver configured to supply a touch driving signal to the plurality of touch electrodes and receive a touch sensing signal from the touch electrodes. The touch driver supplies a first touch driving signal having a first phase to one or more first touch electrodes, and supplies a second touch driving signal having a second phase opposite to the first phase to one or more second touch electrodes, at least a part of which is disposed across a specific point from the first touch electrodes. The touch driver receives a first touch sensing signal having the first phase from at least one of the first touch electrodes, and receives a second touch sensing signal having the second phase from at least one of the second touch electrodes.Type: ApplicationFiled: March 5, 2024Publication date: July 25, 2024Inventors: Sang Hyun LIM, Ga Young KIM, Young Min PARK, Hyun Jee JEON
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Publication number: 20240184399Abstract: A display device according to an example embodiment includes a display portion displaying an image, and a sense portion that is disposed over one side of the display portion, and senses an external input, wherein the sense portion includes: at least one of first sense electrodes receiving a first sense signal that is changed in response to the external input, at least one of second sense electrodes that are disposed at a distance from the first sense electrodes, wherein the first sense electrodes are disposed between the second sense electrodes, and at least one of compensation electrode that are disposed spaced apart from and between the first sense electrodes, and to which a compensation signal is applied, wherein the compensation signal and the first sense signal are inverted in phase.Type: ApplicationFiled: December 14, 2023Publication date: June 6, 2024Inventor: Sang Hyun LIM
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Publication number: 20240160314Abstract: A display device includes a display layer, a touch layer including a plurality of driving electrodes and a plurality of sensing electrodes, and a touch driving circuit supplying touch driving signals to the plurality of driving electrodes, receiving touch signals from the plurality of sensing electrodes, and generating a touch sensing signal including first and second touch sensing signals. The touch driving circuit receives one of the touch signals, detects first sensed voltages of the one touch signal every first cycle of the first touch sensing signal to calculate a phase delay amount of the one touch signal, delays a phase of the second touch sensing signal based on the phase delay amount, calculates second sensed voltages of the one touch signal every second cycle of the second touch sensing signal different from the first cycle, and recognizes a touch input based on the second sensed voltages.Type: ApplicationFiled: August 9, 2023Publication date: May 16, 2024Inventors: Hyun Jee JEON, Sang Hyun LIM
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Patent number: 11947755Abstract: A display device includes a display unit having pixels, a touch sensing unit including touch electrodes disposed on the display unit, and a touch driver configured to supply a touch driving signal to the plurality of touch electrodes and receive a touch sensing signal from the touch electrodes. The touch driver supplies a first touch driving signal having a first phase to one or more first touch electrodes, and supplies a second touch driving signal having a second phase opposite to the first phase to one or more second touch electrodes, at least a part of which is disposed across a specific point from the first touch electrodes. The touch driver receives a first touch sensing signal having the first phase from at least one of the first touch electrodes, and receives a second touch sensing signal having the second phase from at least one of the second touch electrodes.Type: GrantFiled: December 8, 2021Date of Patent: April 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sang Hyun Lim, Ga Young Kim, Young Min Park, Hyun Jee Jeon
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Publication number: 20240104609Abstract: An advertising method may include registering an advertising material and targeting information; determining at least one community corresponding to the targeting information; and controlling the advertising material to be exposed in the form of native content on the community.Type: ApplicationFiled: September 25, 2023Publication date: March 28, 2024Inventors: Sang Hyun LIM, Gyung Jin BAE, Sang-A KIM
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Publication number: 20240055136Abstract: Disclosed are a method and system for managing pressure ulcers and computing device for executing the same. The computing device according to a disclosed embodiment is a computing device provided with one or more processors and a memory storing one or more programs executed by the one or more processors, the computing device including a pressure ulcer risk level evaluation module configured to acquire pressure ulcer risk factor information of a patient admitted to a hospital and calculate a pressure ulcer risk level of the corresponding patient based on the acquired pressure ulcer risk factor information, and a pressure ulcer prevention management module configured to schedule a pressure ulcer prevention activity for a patient whose pressure ulcer risk level is equal to or higher than a predetermined threshold level.Type: ApplicationFiled: August 4, 2023Publication date: February 15, 2024Applicant: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATIONInventors: Jae Sung HEO, Sang Hyun LIM, Hyo Geun RIM, Eun Sun CHUNG