Patents by Inventor Sang-chul Lee

Sang-chul 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).

  • Patent number: 11537244
    Abstract: 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: Grant
    Filed: December 20, 2021
    Date of Patent: December 27, 2022
    Inventors: Do Ik Kim, Jang hui Kim, Sang Chul Lee, Ga Young Kim
  • Patent number: 11520421
    Abstract: A display device includes a display region and a sensing region overlapping with each other, a plurality of pixels in the display region, a plurality of first electrodes arranged in a first direction in the sensing region, a plurality of second electrodes arranged in a second direction in the sensing region, and a driving circuit including a display driver for driving the pixels corresponding to image data, and a touch driver for sensing a touch input using a sensing signal input from each of the first electrodes, and configured to supply a noise compensation signal corresponding to the image data to the second electrodes during a period in which the pixels are driven.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: December 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hak Kim, Do Ik Kim, Ga Young Kim, Young Sik Kim, Sang Chul Lee
  • Publication number: 20220362435
    Abstract: The present invention relates to an adhesive silicone patch to be applied to a wearable product. The adhesive silicone patch provides the function of assisting the musculoskeletal system and ligaments for each part of the human body, the function of preventing secondary damage, the function of supporting the injured part, and the function of promoting blood circulation. In addition, the adhesive silicone patch dramatically reduces the concentration of lactic acid generated during exercise. The present invention also relates to a wearable product provided with the adhesive silicone patch. The adhesive silicone patch is applied to the inner surface of a wearable product such as clothing and includes a first functional layer. The first functional layer includes a two-component liquid silicone rubber (LSR) and a silicone-based pressure-sensitive adhesive (PSA). The LSR is composed of a main component and a crosslinking agent.
    Type: Application
    Filed: March 15, 2021
    Publication date: November 17, 2022
    Applicant: Wavecompany Co., Ltd.
    Inventors: Sang-Chul LEE, Na-Yun CHO
  • Publication number: 20220367576
    Abstract: A touch detecting unit comprises first sensor electrodes arranged in a first direction and electrically connected with one another; second sensor electrodes arranged in a second direction crossing the first direction, and electrically connected with one another, the second sensor electrodes electrically separated from the first sensor electrodes, and third sensor electrodes electrically separated from the first sensor electrodes and the second sensor electrodes. Amounts of change in first capacitances between the first sensor electrodes and the second sensor electrodes are detected in a first mode. Amounts of change in the first capacitances and amounts of change in a second capacitance between the first sensor electrodes and the third sensor electrodes are detected in a second mode.
    Type: Application
    Filed: July 13, 2022
    Publication date: November 17, 2022
    Inventors: Kang Won LEE, Do Ik KIM, Choon Hyop LEE, Jang Hui KIM, Sang Chul LEE
  • Patent number: 11494012
    Abstract: Disclosed is a display module including a transparent display panel and a frame to fix a side of the transparent display panel, wherein the frame has a communication unit to receive data from the outside, a controller to process the received data and to output a drive command corresponding to the processed data and a display drive unit to drive the transparent display panel in response to the drive command from the controller. A display system includes a system body and a display module detachably mounted in the system body.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: November 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-yeon Lee, Sang Chul Lee, Jong Seo Lee, Se Yong Kim
  • Patent number: 11481053
    Abstract: A touch sensor includes a base layer and a plurality of first touch electrodes disposed on the base layer. The plurality of first touch electrodes are arranged in a first direction. The plurality of first touch electrodes include openings, and are electrically connected to one another. A plurality of second touch electrodes are disposed on the base layer. The plurality of second touch electrodes are arranged in a second direction. The plurality of second touch electrodes are electrically connected to one another. First pressure sensing electrodes and second pressure sensing electrodes are separated from each other and are disposed in the openings. The pressure sensing electrodes and second pressure sensing electrodes are spaced apart from the first touch electrodes. The first pressure sensing electrodes, the second pressure sensing electrodes, the first touch electrodes, and the second touch electrodes are all disposed in a first layer.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: October 25, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Hak Kim, Do Ik Kim, Gwang Bum Ko, Ga Young Kim, Young Sik Kim, Sang Chul Lee
  • Patent number: 11437442
    Abstract: A touch detecting unit comprises first sensor electrodes arranged in a first direction and electrically connected with one another second sensor electrodes arranged in a second direction crossing the first direction, and electrically connected with one another, the second sensor electrodes electrically separated from the first sensor electrodes, and third sensor electrodes electrically separated from the first sensor electrodes and the second sensor electrodes. Amounts of change in first capacitances between the first sensor electrodes and the second sensor electrodes are detected in a first mode. Amounts of change in the first capacitances and amounts of change in a second capacitance between the first sensor electrodes and the third sensor electrodes are detected in a second mode.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: September 6, 2022
    Inventors: Kang Won Lee, Do Ik Kim, Choon Hyop Lee, Jang Hui Kim, Sang Chul Lee
  • Patent number: 11429211
    Abstract: There is provided a display device including a high-sensitivity touch sensor. A display device includes: pixels arranged in a display region; sensing electrodes arranged in a sensing region; sensing lines coupled to the respective sensing electrodes; a noise detection electrode disposed on the same layer as the sensing electrodes; sensing channels each including a first input terminal coupled to any one of the sensing electrodes and a second input terminal coupled to the noise detection electrode, the sensing channels each generating an output signal corresponding to a voltage difference between the first and second input terminals; and a processor detecting a touch input, using the output signals of the sensing channels.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: August 30, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do Ik Kim, Gwang Bum Ko, Jung Hak Kim, Sang Chul Lee, Ga Young Kim
  • Publication number: 20220229517
    Abstract: A touch sensor includes a sensor unit including a plurality of first electrodes in an active area spaced apart from each other, and at least one second electrode, a plurality of sensing channels respectively coupled to one of the first electrodes, and each sensing channel including a reference node having a variable voltage coupled to the at least one second electrode, and a processor configured to receive output signals from the sensing channels, and detect a touch input based on the output signals. The plurality of sensing channels may be configured to supply driving signals to respective first electrodes during a first period, receive sensing signals from respective first electrodes during a second period, and generate the output signals corresponding to the sensing signals received from respective first electrodes based on potentials of the respective reference nodes. A method of driving a touch sensor also is disclosed.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 21, 2022
    Inventors: Do Ik KIM, Ga Young KIM, Young Sik KIM, Sang Chul LEE
  • Patent number: 11380025
    Abstract: The present invention relates to scatter correction method and apparatus for dental cone-beam CT. An object of the present invention is improving quality of reconstructed images by processing the scatter correction by learning which uses Monte Carlo simulation and artificial neural network.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: July 5, 2022
    Assignee: RAY CO., LTD
    Inventors: Sang Chul Lee, Sung Ho Chang
  • Publication number: 20220203167
    Abstract: A momentum measurement device is disclosed. The momentum measurement device includes a measurement sensor including a printed circuit board and an acceleration sensor, a gyroscope sensor, a communication element, and a processor connected to the printed circuit board, and a cover configured to surround a first surface and a side surface of the measurement sensor.
    Type: Application
    Filed: July 19, 2021
    Publication date: June 30, 2022
    Inventor: Sang Chul LEE
  • Publication number: 20220189724
    Abstract: An arc extinction apparatus according to an embodiment of the present disclosure comprises a chamber unit, a division unit, a filter unit, and a cover unit. A discharge port is formed in the chamber unit such that a fluid in the chamber unit is discharged to the outside. An insertion groove is provided on inner faces of the chamber unit that face each other. The division unit is coupled to the inside of the chamber unit. In addition, the division unit divides a path of the fluid discharged through the discharge port into multiple paths. The filter unit is disposed in the discharge port and filters out at least one predetermined material from the fluid passing through the discharge port. The cover unit comprises a plurality of exhaust pipes and is coupled to the discharge port from the outside of the filter unit.
    Type: Application
    Filed: March 11, 2020
    Publication date: June 16, 2022
    Inventors: Sang-Chul LEE, Kyu-Ho LEE, Seung-Pil YANG
  • Publication number: 20220171441
    Abstract: A display device includes a display panel; a pressure sensor disposed on the display panel; and a lower bracket. The pressure sensor is disposed between the display panel and the lower bracket and is disposed on the lower bracket. The pressure sensor includes a first substrate, a first pressure sensing layer disposed between the first substrate and the lower bracket, a first driving electrode disposed between the first pressure sensing layer and the lower bracket, and a first sensing electrode spaced apart from the first driving electrode. A gap is present between the first pressure sensing layer, and the first driving electrode and the first sensing electrode.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 2, 2022
    Inventors: CHOON HYOP LEE, KANG WON LEE, SEUNG HWAN CHUNG, SANG CHUL LEE
  • Publication number: 20220155895
    Abstract: 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: Application
    Filed: November 22, 2021
    Publication date: May 19, 2022
    Inventors: Do Ik KIM, Ga Young Kim, Sang Hyun Lim, Young Sik Kim, Sang Chul Lee, Hwan Hee Jeong
  • Publication number: 20220147168
    Abstract: Disclosed is a display module including a transparent display panel and a frame to fix a side of the transparent display panel, wherein the frame has a communication unit to receive data from the outside, a controller to process the received data and to output a drive command corresponding to the processed data and a display drive unit to drive the transparent display panel in response to the drive command from the controller. A display system includes a system body and a display module detachably mounted in the system body.
    Type: Application
    Filed: January 27, 2022
    Publication date: May 12, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-yeon Lee, Sang Chul Lee, Jong Seo Lee, Se Yong Kim
  • Publication number: 20220144710
    Abstract: The present invention relates to a method for preparing a SiC—Si3N4 composite material and a SiC—Si3N4 composite material prepared according to same and comprises the steps of: preparing a mold; and forming a SiC—Si3N4 composite material by introducing, to the mold, a source gas comprising Si, N and C, at 1100 to 1600° C. More particularly, the present invention provides the SiC—Si3N4 composite material of high purity that is applicable to a semiconductor process, and increases the thermal shock strength of a SiC material by causing Si3N4, which is a material with a high thermal shock strength, to grow together via a CVD method.
    Type: Application
    Filed: March 11, 2020
    Publication date: May 12, 2022
    Applicant: TOKAI CARBON KOREA CO., LTD
    Inventor: Sang Chul LEE
  • Publication number: 20220148907
    Abstract: Described herein are an SiC material and a method for manufacturing same. The SiC material includes an SiC layer having a low thermal conductivity region formed in at least a portion thereof, wherein the low thermal conductivity region has an average crystal grain size of 3.5 ?m or less and (111) plane preferential growth according to X-ray diffraction analysis.
    Type: Application
    Filed: March 25, 2020
    Publication date: May 12, 2022
    Inventor: Sang Chul LEE
  • Patent number: D955384
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang-Chul Lee
  • Patent number: D961588
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang-Chul Lee
  • Patent number: D964356
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Sang-Chul Lee