Patents by Inventor Il-Ho Lee

Il-Ho 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: 11977703
    Abstract: A touch detection module, includes: a plurality of driving electrodes arranged side by side; a plurality of sensing electrodes staggered with respect to the driving electrodes; and a touch driving circuit configured to supply touch driving signals to the plurality of driving electrodes and to detect touch detection signals through the plurality of sensing electrodes to identify touch position coordinates, wherein the touch driving circuit is configured: to vary frequency modulation parameter set values in response to a change in a frequency of reference clocks, and to generate and supply a frequency of the touch driving signals by using the reference clocks and a varied frequency modulation parameter set value.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: May 7, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Woo Park, Min Hong Kim, Tae Joon Kim, Il Ho Lee, Wan Kee Jun
  • Publication number: 20240145019
    Abstract: A power source switching circuit for a memory device includes: a first power source voltage terminal for supplying a first power source voltage, a second power source voltage terminal for supplying a second power source voltage, a first metal-oxide-semiconductor field-effect transistor (MOSFET) and a second MOSFET connected in series with the first power source voltage terminal, a first level shifter connected to the first MOSFET and supplied with the first power source voltage, a second level shifter connected to the second MOSFET and supplied with the second power source voltage, a third MOSFET connected to the second MOSFET, and a third level shifter connected to the third MOSFET and supplied with a third power source voltage, and a memory cell of a non-volatile memory is programmed using the first power source voltage or the second power source voltage.
    Type: Application
    Filed: June 7, 2023
    Publication date: May 2, 2024
    Applicant: Magnachip Semiconductor, Ltd.
    Inventors: Hyoung Kyu KIM, Il Jun KIM, Kwon Young OH, Sang Ho LEE
  • Publication number: 20240121809
    Abstract: A method of a first terminal may include: identifying first RB set(s) to be used for SL communication among consecutive RB sets through an LBT procedure; identifying a first subchannel group included in the first RB set(s) and a second subchannel group including a first PRB in the first RB set(s), the first PRB being not included in the first subchannel group; configuring the first PRB within the second subchannel group as an SL communication resource; and transmitting, to a second terminal, control information indicating that the first PRB is configured as the SL communication resource.
    Type: Application
    Filed: September 27, 2023
    Publication date: April 11, 2024
    Inventors: Jun Hyeong KIM, Go San NOH, Il Gyu KIM, Man Ho PARK, Nak Woon SUNG, Jae Su SONG, Nam Suk LEE, Hee Sang CHUNG, Min Suk CHOI
  • Publication number: 20240076633
    Abstract: Provided are a PCR buffer composition for increasing the activity of a DNA polymerase having increased gene mutation specificity, a PCR kit for detecting a gene mutation or SNP comprising the PCR buffer composition and/or the DNA polymerase having increased gene mutation specificity, and a method for in vitro detecting one or more gene mutations or SNPs in one or more templates by using the kit.
    Type: Application
    Filed: September 29, 2023
    Publication date: March 7, 2024
    Inventors: Byung Chul LEE, Il Hyun PARK, Huy Ho LEE
  • Patent number: 11915782
    Abstract: An electronic device including a memory device with improved reliability is provided. The semiconductor device comprises a data pin configured to transmit a data signal, a command/address pin configured to transmit a command and an address, a command/address receiver connected to the command/address pin, and a computing unit connected to the command/address receiver, wherein the command/address receiver receives a first command and a first address from the outside through the command/address pin and generates a first instruction on the basis of the first command and the first address, and the computing unit receives the first instruction and performs computation based on the first instruction.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: February 27, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang Min Lee, Nam Hyung Kim, Dae Jeong Kim, Do Han Kim, Min Su Kim, Deok Ho Seo, Won Jae Shin, Yong Jun Yu, Il Gyu Jung, In Su Choi
  • Publication number: 20240046827
    Abstract: An electronic device testing method includes providing an electronic device including a display layer including a common electrode and a sensor layer that is disposed on the display layer and that includes a plurality of first electrodes and a plurality of second electrodes that insulatively intersect the plurality of first electrodes, measuring a plurality of jitter values of a plurality of channels formed by the plurality of first electrodes and the plurality of second electrodes, calculating a first value being an average of the plurality of jitter values, calculating a second value by summing jitter values, among the plurality of jitter values, of channels formed by one of the plurality of second electrodes among the plurality of channels, and testing the common electrode based on a third value obtained by dividing the second value by the first value.
    Type: Application
    Filed: May 19, 2023
    Publication date: February 8, 2024
    Inventors: JINWOO PARK, BOGEUN YUK, TAEJOON KIM, SEUNGROK LEE, IL HO LEE
  • Patent number: 11893187
    Abstract: A display device including: a display panel configured to display an image in units of a frame; an input sensor disposed on the display panel, and configured to sense an external input; a panel driver configured to control driving of the display panel in response to a synchronization signal; and a sensor controller configured to control driving of the input sensor, wherein the sensor controller receives the synchronization signal from the panel driver and outputs a plurality of transmission signals to the input sensor, and the plurality of transmission signals are varyingly generated based on the synchronization signal.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: February 6, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jinwoo Park, Taejoon Kim, Jungmok Park, Il Ho Lee, Wankee Jun, Hyun-Wook Cho
  • Publication number: 20230393694
    Abstract: A touch screen panel including a substrate having an effective area and a pad area, sensing electrodes disposed in the effective area, pads disposed in the pad area, wirings connecting the sensing electrodes and the pads, respectively, the wirings each having different lengths, and an electrostatic dispersion pad disposed adjacent to a sensing electrode disposed closest to the pad area among the sensing electrodes.
    Type: Application
    Filed: August 22, 2023
    Publication date: December 7, 2023
    Inventors: In Cheol KIM, Il Ho LEE, Byoung Won CHOI, Jin Woo PARK
  • Publication number: 20230359303
    Abstract: A touch detection module, includes: a plurality of driving electrodes arranged side by side; a plurality of sensing electrodes staggered with respect to the driving electrodes; and a touch driving circuit configured to supply touch driving signals to the plurality of driving electrodes and to detect touch detection signals through the plurality of sensing electrodes to identify touch position coordinates, wherein the touch driving circuit is configured: to vary frequency modulation parameter set values in response to a change in a frequency of reference clocks, and to generate and supply a frequency of the touch driving signals by using the reference clocks and a varied frequency modulation parameter set value.
    Type: Application
    Filed: February 24, 2023
    Publication date: November 9, 2023
    Inventors: Jin Woo PARK, Min Hong KIM, Tae Joon KIM, Il Ho LEE, Wan Kee JUN
  • Patent number: 11789566
    Abstract: A display device including: pixels; a data driver configured to start outputting data voltages to at least some of the pixels at a first time during a horizontal period, and end outputting the data voltages at a second time during the horizontal period; sensors; and a sensor driver configured to change a logic level of a sensing signal of at least some of the sensors at a third time different from the first time and the second time during the horizontal period, wherein at least one of the first time, the second time, and the third time is changed according to a number of times a logic level of a vertical synchronization signal is changed while a logic level of a horizontal synchronization signal is maintained.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyun Wook Cho, Min Hong Kim, Jung Mok Park, Il Ho Lee
  • Patent number: 11768566
    Abstract: A touch screen panel including a substrate having an effective area and a pad area, sensing electrodes disposed in the effective area, pads disposed in the pad area, wirings connecting the sensing electrodes and the pads, respectively, the wirings each having different lengths, and an electrostatic dispersion pad disposed adjacent to a sensing electrode disposed closest to the pad area among the sensing electrodes.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: September 26, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: In Cheol Kim, Il Ho Lee, Byoung Won Choi, Jin Woo Park
  • Patent number: 11681391
    Abstract: A display device includes a display panel configured to display an image, an input sensor disposed on the display panel to sense an input and including a first area and a second area, and a sensor controller connected to the input sensor. The input sensor includes first sensing electrodes disposed in the first area, second sensing electrodes disposed in the second area, and a boundary sensing electrode disposed to overlap a boundary between the first and second areas. The boundary sensing electrode forms a mutual capacitor with one or more of the first sensing electrodes that are adjacent to the boundary sensing electrode, and forms a mutual capacitor with one or more of the second sensing electrodes that are adjacent to the boundary sensing electrode.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Il Ho Lee, Sanghun Park, Jihoon Kim, Yongsub So
  • Patent number: 11567607
    Abstract: A display device includes a display panel including pixels, an active area on which an image is configured to be displayed, and a black matrix area on which an image is not configured to be displayed, touch sensor electrodes configured to detect a touch of an external object, the touch sensor electrodes disposed in the active area, and detection input electrodes configured to generate mutual capacitance with the touch sensor electrodes, the detection input electrodes disposed in an edge area of the display panel that overlaps the black matrix area.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: January 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il Ho Lee, Seung-Hee Lee, Seoung Bum Pyoun, Young-Jin Kim
  • Publication number: 20230022093
    Abstract: A display device including: a display panel configured to display an image in units of a frame; an input sensor disposed on the display panel, and configured to sense an external input; a panel driver configured to control driving of the display panel in response to a synchronization signal; and a sensor controller configured to control driving of the input sensor, wherein the sensor controller receives the synchronization signal from the panel driver and outputs a plurality of transmission signals to the input sensor, and the plurality of transmission signals are varyingly generated based on the synchronization signal.
    Type: Application
    Filed: April 11, 2022
    Publication date: January 26, 2023
    Inventors: Jinwoo Park, Taejoon Kim, Jungmok Park, Il Ho Lee, Wankee Jun, Hyun-Wook Cho
  • Patent number: 11409395
    Abstract: A testing device for testing a display module may include touch test pads electrically connected to touch pads of a display module, a first power test pad and a second power test pad electrically connected to a first power pad and a second power pad of the display module, a voltage generator providing a first test power voltage and a second power test voltage to the first power test pad and second power test pad, and a capacitance measurement circuit measuring capacitance between the first power test pad and second power test pad.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 9, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il Ho Lee, Sanghyuk Kwon, Yeongbin Kim, Chansik Noh, Eunchul Shin, Sangmin Choi
  • Publication number: 20220164083
    Abstract: A display device includes a display panel configured to display an image, an input sensor disposed on the display panel to sense an input and including a first area and a second area, and a sensor controller connected to the input sensor. The input sensor includes first sensing electrodes disposed in the first area, second sensing electrodes disposed in the second area, and a boundary sensing electrode disposed to overlap a boundary between the first and second areas. The boundary sensing electrode forms a mutual capacitor with one or more of the first sensing electrodes that are adjacent to the boundary sensing electrode, and forms a mutual capacitor with one or more of the second sensing electrodes that are adjacent to the boundary sensing electrode.
    Type: Application
    Filed: August 13, 2021
    Publication date: May 26, 2022
    Inventors: IL HO LEE, SANGHUN PARK, JIHOON KIM, YONGSUB SO
  • Patent number: 11262861
    Abstract: A display device includes a display including a plurality of pixels and an input sensor for sensing an input of a user. The display device includes: a driving controller for providing the display with a scan signal and a data signal according to a driving frequency; an input controller for providing a touch driving signal to the input sensor; a horizontal synchronization signal information line connecting the driving controller and the input controller, the horizontal synchronization signal information line transmitting a horizontal synchronization signal therethrough; and a vertical synchronization signal information line connecting the driving controller and the input controller, the vertical synchronization signal information line transmitting a vertical synchronization signal therethrough. Amplitude of the vertical synchronization signal or the horizontal synchronization signal varies according to the driving frequency.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: March 1, 2022
    Inventors: Sang Hun Park, Soo Won Kim, Il Ho Lee
  • Patent number: 11243687
    Abstract: A user terminal apparatus is provided. The user terminal device includes a display having a main display area disposed on a front side of the user terminal apparatus and a sub display area extended from one side of the main display area to be disposed on at least one area of a rear side of the user terminal apparatus and a processor configured to, in response to a predetermined touch input being input on the sub display area, control the display to display a UI displayed on the sub display area on the main display area.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: February 8, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-myung Kim, Il-ho Lee, Hyun-sub Park
  • Patent number: 11157127
    Abstract: A user terminal apparatus is provided. The user terminal apparatus includes a display consisting of a main display area disposed on a front side of the user terminal apparatus and a sub display area extended from one side of the main display area to be disposed on at least one area of a rear side of the user terminal apparatus, and a processor configured to provide a lock screen to a display area of at least one of the main display area and the sub display area and, in response to a user input of releasing the lock screen being sensed, control the display to provide a different home screen based on a display area where the user input is sensed.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: October 26, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youn-ho Choi, Il-ho Lee, Hyun-sub Park, Wan-ho Roh
  • Patent number: 11009977
    Abstract: A sensor substrate includes a base substrate, a black matrix pattern, a sensing electrode pattern, a driving electrode pattern, and at least one bridge line. The black matrix pattern is disposed on the base substrate and divides the base substrate into a light transmission area and a light blocking area. The sensing electrode pattern includes a plurality of first unit patterns arranged in association with a first direction. The driving electrode pattern includes a plurality of second unit patterns arranged in association with a second direction and disposed adjacent to the plurality of first unit patterns. The at least one bridge line is connected between at least two of the plurality of first unit patterns or between at least two of the plurality of second unit patterns.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: May 18, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: In-Cheol Kim, Ji-Hong Park, Hyun-Ju Lee, Il-Ho Lee, Moon-Sung Choi, Seong-Mo Hwang, Ki-Hyuk Kim, Seung-Ho Nam