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: 11086427
    Abstract: A pressure sensor includes a first substrate and a second substrate; a first driving electrode and a second driving electrode disposed on a first surface of the first substrate facing the second substrate and coupled to a first coupling electrode, the second driving electrode being shorter than the first driving electrode; a first sensing electrode and a second sensing electrode disposed on the first surface of the first substrate and coupled to a second coupling electrode, the second sensing electrode being shorter than the first sensing electrode; a first pressure sensing layer disposed on a first surface of the second substrate in a position facing the first substrate and overlapping and spaced from the first driving electrode and the first sensing electrode by a gap; and a second pressure sensing layer contacting with the second driving electrode and the second sensing electrode and electrically coupling the second driving electrode and the second sensing electrode to each other.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: August 10, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choon Hyop Lee, Kang Won Lee, Sang Chul Lee, Seung Hwan Chung
  • Patent number: 11079870
    Abstract: A display device includes: a display panel; a pressure sensor disposed below the display panel, the pressure sensor configured to detect pressure applied to the display panel; and a supporting layer disposed on a surface of the pressure sensor facing away from the display panel.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: August 3, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Won Lee, Choon Hyop Lee, Sang Chul Lee, Seung Hwan Chung
  • Publication number: 20210223888
    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: Application
    Filed: April 5, 2021
    Publication date: July 22, 2021
    Inventors: Do Ik KIM, Jang hui KIM, Sang Chul LEE, Ga Young KIM
  • Patent number: 11069506
    Abstract: A sample stage includes a sample holder that accommodates a sample and a first drive module, a second drive module, and a third drive module that are radially connected to the sample holder and allow the sample holder to have translational degrees of freedom in three directions and rotational degrees of freedom in at least two directions.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: July 20, 2021
    Assignee: Korea Basic Science Institute
    Inventors: Sang-Chul Lee, Jongman Jeong, Jin-Gyu Kim, Cheolsu Han
  • Patent number: 11068099
    Abstract: A touch sensor includes a sensor unit having a first region including at least one pair of a first electrode and a second electrode, and a second region including at least two pairs of first electrodes and second electrodes, a plurality of sensing channels each including first and second input terminals, wherein the first input terminals of the sensing channels are connected to different ones of the first electrodes, an amplifying circuit connected between the second input terminals of the sensing channels and the second electrodes, and an input control unit connected between the amplifying circuit and the second electrodes, the input control unit including a first resistor connected to the second electrode of the first region, and a second resistor commonly connected to the second electrodes of the second region.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hak Kim, Do Ik Kim, Young Sik Kim, Sang Chul Lee
  • Patent number: 11061508
    Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: July 13, 2021
    Inventors: Do Ik Kim, Sang Hyun Lim, Ga Young Kim, Young Sik Kim, Sang Chul Lee
  • Publication number: 20210181869
    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: February 18, 2021
    Publication date: June 17, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-yeon LEE, Sang Chul LEE, Jong Seo LEE, Se Yong KIM
  • Patent number: 11020071
    Abstract: An X-ray computed tomography apparatus with a scanner function includes a vertical frame, a patient support arm provided below the vertical frame, a horizontal support arm extending horizontally from a top portion of the vertical frame, a rotary arm drive unit provided at an end of the horizontal support arm, a horizontal rotation arm provided horizontally below the rotary arm drive unit to rotate 360 degrees, a general CT imaging X-ray source provided at one end of the horizontal rotation arm, and an X-ray detector provided at the other end of the horizontal rotation arm to face the general CT imaging X-ray source. A micro CT imaging X-ray source is provided on the vertical frame, a rotary table for seating and rotating an object to be imaged is provided above the patient support arm, and the X-ray detector is composed of a common X-ray detector.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: June 1, 2021
    Assignee: Ray Co., Ltd.
    Inventors: Yong Jae Sa, Sang Chul Lee
  • Patent number: 10969911
    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: July 29, 2019
    Date of Patent: April 6, 2021
    Inventors: Do ik Kim, Jang hui Kim, Sang Chul Lee, Ga Young Kim
  • Patent number: 10963078
    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: November 12, 2019
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joo-yeon Lee, Sang Chul Lee, Jong Seo Lee, Se Yong Kim
  • Patent number: 10936106
    Abstract: A display device includes: a display panel including a display area in which an image is displayed and a non-display area surrounding the display area; an input sensor disposed on the display panel; and a pressure sensor sensing a pressure, wherein the input sensor includes a sensing base substrate extending in a first extending direction, the sensing base substrate including a first bending area bent along an outer edge of the sensing base substrate, wherein the pressure sensor is disposed on the first bending area of the sensing base substrate, and overlaps with the display area.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: March 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Won Lee, Sang Chul Lee, Seung Hwan Chung, Young Sik Kim, Choon Hyop Lee, Yeon Sung Jung
  • Patent number: 10936137
    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: Grant
    Filed: March 19, 2019
    Date of Patent: March 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: In Nam Lee, Jang Hui Kim, Sang Chul Lee, A Ra Jo
  • Patent number: 10928971
    Abstract: An electronic apparatus, computer-readable recording medium, and method of providing a plurality of work group objects are provided. The method includes providing a plurality of work group objects respectively representing a plurality of work groups, providing a plurality of window objects in response to a selection of a work group object and representing a plurality of windows, providing a window in response to a selection of a window object, and providing an object representing windows corresponding to all of the window objects associated with one of the work groups.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-chul Lee, Jong-hyuk Choi, Nam-suk Lee, Hak-su Jeong
  • Publication number: 20210030382
    Abstract: An X-ray computed tomography apparatus with a scanner function includes a vertical frame, a patient support arm provided below the vertical frame, a horizontal support arm extending horizontally from a top portion of the vertical frame, a rotary arm drive unit provided at an end of the horizontal support arm, a horizontal rotation arm provided horizontally below the rotary arm drive unit to rotate 360 degrees, a general CT imaging X-ray source provided at one end of the horizontal rotation arm, and an X-ray detector provided at the other end of the horizontal rotation arm to face the general CT imaging X-ray source. A micro CT imaging X-ray source is provided on the vertical frame, a rotary table for seating and rotating an object to be imaged is provided above the patient support arm, and the X-ray detector is composed of a common X-ray detector.
    Type: Application
    Filed: July 26, 2017
    Publication date: February 4, 2021
    Inventors: Yong Jae Sa, Sang Chul Lee
  • Patent number: 10908756
    Abstract: A force sensor, includes: a first substrate and a second substrate; a first driving electrode, a second driving electrode, a first sensing electrode, and a second sensing electrode on one surface of the first substrate facing the second substrate; a first force sensing layer on one surface of the second substrate facing the first substrate; and a second force sensing layer contacting the second driving electrode and the second sensing electrode, wherein the first force sensing layer overlaps the first driving electrode and the first sensing electrode, and gaps exist between the first force sensing layer and the first driving electrode and between the first force sensing layer and the first sensing electrode.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Won Lee, Choon Hyop Lee, Seung Hwan Chung, Sang Chul Lee
  • Publication number: 20210004120
    Abstract: In an embodiment, a touch sensor may include a sensor part including a first electrode and a second electrode, a signal receiving part, an amplifier circuit part connected between the second electrode and the signal receiving part, an analog-to-digital converter part configured to output a digital signal corresponding to a voltage difference between input terminals, and a processor configured to detect a touch input from the sensor part in response to the digital signal when operating in a first mode, and to output a gain control signal for calibrating a gain value of the amplifier circuit part in response to the digital signal when operating in a second mode.
    Type: Application
    Filed: September 21, 2020
    Publication date: January 7, 2021
    Inventors: Do Ik KIM, Sang Hyun LIM, Ga Young KIM, Young Sik KIM, Sang Chul LEE
  • Publication number: 20210005677
    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: June 8, 2020
    Publication date: January 7, 2021
    Inventors: Kang Won LEE, Do Ik KIM, Choon Hyop LEE, Jang Hui KIM, Sang Chul LEE
  • Publication number: 20200409150
    Abstract: A head mounted display, according to various embodiments of the present disclosure, comprises: a housing comprising an opening part; an lens assembly arranged in the opening part; and a light shielding part arranged along the circumference of the opening part, wherein the light shielding part may be in a first configuration of being drawn out from the housing via the opening part so as to enable being worn on the face of a user, and a second configuration of having at least one portion thereof inserted into the housing via the opening part.
    Type: Application
    Filed: April 16, 2018
    Publication date: December 31, 2020
    Inventors: Sang Chul LEE, Doorae KIM, Jeisung PARK
  • Patent number: 10877601
    Abstract: A display device including: a display panel for generating an image; and an input sensing layer disposed on the display panel, the input sensing layer sensing a user input. The display panel includes: pixels each including an organic light emitting diode that emits light, corresponding to a driving current flowing from a first power source to a second power source; and a noise detector for generating a noise voltage by detecting noise from the second power source. The input sensing layer includes: first sensing electrodes and second sensing electrodes intersecting each other; and a readout circuit for removing the noise included in a sensing voltage received from the second sensing electrodes based on the noise voltage.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Hui Kim, Sang Chul Lee
  • Patent number: D910620
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: February 16, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Sang Chul Lee