Patents by Inventor In Soo Wang

In Soo Wang 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).

  • Publication number: 20250078756
    Abstract: A pixel includes a driving switching element including a control electrode connected to a first node, a first electrode connected to a second node and a second electrode connected to a third node, a writing switching element including a control electrode receiving a writing gate signal, a first electrode receiving a data voltage and a second electrode connected to the second node, a compensation switching element including a control electrode receiving a compensation gate signal, a first electrode connected to the first node and a second electrode connected to the third node, a storage capacitor including a first electrode receiving a first power voltage and a second electrode connected to the first node, the light emitting element emitting a light based on a driving current flowing through the driving switching element. The writing gate signal is n-th stage gate signal. The compensation gate signal is (n+k)-th stage gate signal.
    Type: Application
    Filed: August 29, 2024
    Publication date: March 6, 2025
    Inventors: IN SOO WANG, SANG YONG NO, KEUK-JIN JEONG, YONGWOO LEE
  • Publication number: 20250079985
    Abstract: According to embodiments of the disclosure, a DC-DC converter includes a voltage generator configured to generate an output voltage by converting an input voltage, a first mode driver configured to generate a first switching signal to drive the voltage generator in a first mode, a second mode driver configured to generate a second switching signal to drive the voltage generator in a second mode, a third mode driver configured to generate a third switching signal to drive the voltage generator in a third mode, and a mode controller configured to determine an output load of the voltage generator using the first switching signal, the second switching signal, and the third switching signal, and supply one of the first switching signal, the second switching signal, and the third switching signal to the voltage generator according to the output load.
    Type: Application
    Filed: June 7, 2024
    Publication date: March 6, 2025
    Inventors: Hyo Chul LEE, Franklindon BIEN, Ji Won KIM, Seung In BAEK, In Soo WANG, Woo Jin PARK
  • Patent number: 12197089
    Abstract: A display device includes a display area including gate lines; a plurality of gate drivers disposed in a non-display area that is adjacent to the display area and connected to the gate lines; and a driving power transmitting line disposed in the non-display area and providing a driving power to the gate drivers. The driving power transmitting line includes a first driving power transmitting line and a second driving power transmitting line overlapping each other with an insulating layer disposed therebetween, the first driving power transmitting line and the second driving power transmitting line are connected with each other through a plurality of contact holes formed in the insulating layer, and the contact holes are disposed in a plurality of regions respectively overlapping the gate drivers in a direction parallel to an extending direction of the gate lines.
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: January 14, 2025
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo-Chul Lee, In Soo Wang
  • Publication number: 20240015897
    Abstract: A circuit board includes a first body part, a second body part and a connection part. The first body part includes a first contact surface and has a multi-layered structure. The second body part includes a second contact surface, has a multi-layered structure, and includes a first signal line spaced apart from the second contact surface. The connection part includes a third contact surface between the first contact surface and the second contact surface, and connects the first body part and the second body part to each other.
    Type: Application
    Filed: March 27, 2023
    Publication date: January 11, 2024
    Inventors: HYO-CHUL LEE, YOUNYEE KANG, JI-WON KIM, SEUNGIN BAEK, IN SOO WANG
  • Publication number: 20230314881
    Abstract: A display device includes a display area including gate lines; a plurality of gate drivers disposed in a non-display area that is adjacent to the display area and connected to the gate lines; and a driving power transmitting line disposed in the non-display area and providing a driving power to the gate drivers. The driving power transmitting line includes a first driving power transmitting line and a second driving power transmitting line overlapping each other with an insulating layer disposed therebetween, the first driving power transmitting line and the second driving power transmitting line are connected with each other through a plurality of contact holes formed in the insulating layer, and the contact holes are disposed in a plurality of regions respectively overlapping the gate drivers in a direction parallel to an extending direction of the gate lines.
    Type: Application
    Filed: May 8, 2023
    Publication date: October 5, 2023
    Inventors: Hyo-Chul LEE, In Soo WANG
  • Patent number: 11749659
    Abstract: An input sensing device including: a power line; driving lines; a first signal line including sub-lines; a second signal line connected to the sub-lines; and sensor pixels connected to the power line, the driving lines, and the first signal line, wherein at least one sensor pixel of the sensor pixels includes: an optical sensor that transfers a photoelectrically converted charge from the power line to a first node in response to a driving signal provided through a first driving line of the driving lines; a first transistor connected between the first node and a first sub-line among the sub-lines, wherein the first transistor includes a gate electrode connected to the first driving line; and a second transistor connected between the first node and a second sub-line among the sub-lines, wherein the second transistor includes a gate electrode connected to the first driving line.
    Type: Grant
    Filed: January 3, 2023
    Date of Patent: September 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Chul Lee, Hyeon Do Park, In Soo Wang
  • Patent number: 11681185
    Abstract: A display device includes a display area including gate lines; a plurality of gate drivers disposed in a non-display area that is adjacent to the display area and connected to the gate lines; and a driving power transmitting line disposed in the non-display area and providing a driving power to the gate drivers. The driving power transmitting line includes a first driving power transmitting line and a second driving power transmitting line overlapping each other with an insulating layer disposed therebetween, the first driving power transmitting line and the second driving power transmitting line are connected with each other through a plurality of contact holes formed in the insulating layer, and the contact holes are disposed in a plurality of regions respectively overlapping the gate drivers in a direction parallel to an extending direction of the gate lines.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: June 20, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo-Chul Lee, In Soo Wang
  • Publication number: 20230154909
    Abstract: An input sensing device including: a power line; driving lines; a first signal line including sub-lines; a second signal line connected to the sub-lines; and sensor pixels connected to the power line, the driving lines, and the first signal line, wherein at least one sensor pixel of the sensor pixels includes: an optical sensor that transfers a photoelectrically converted charge from the power line to a first node in response to a driving signal provided through a first driving line of the driving lines; a first transistor connected between the first node and a first sub-fine among the sub-lines, wherein the first transistor includes a gate electrode connected to the first driving line; and a second transistor connected between the first node and a second sub-line among the sub-lines, wherein the second transistor includes a gate electrode connected to the first driving line,
    Type: Application
    Filed: January 3, 2023
    Publication date: May 18, 2023
    Inventors: Hyo Chul LEE, Hyeon Do Park, In Soo Wang
  • Patent number: 11612052
    Abstract: A circuit board for a display device includes: a signal line to transmit signal, a first metallic layer overlapping the signal line, a first conductive layer spaced apart from the first metallic layer, a base layer insulating the signal line from the first metallic layer and from the first conductive layer, and a first capacitor including a first terminal electrically coupled to the first metallic layer and a second terminal electrically coupled to the first conductive layer.
    Type: Grant
    Filed: April 25, 2021
    Date of Patent: March 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo-Chul Lee, Ji-Won Kim, In Soo Wang
  • Patent number: 11544956
    Abstract: An input sensing device including: a power line; driving lines; a first signal line including sub-lines; a second signal line connected to the sub-lines; and sensor pixels connected to the power line, the driving lines, and the first signal line, wherein at least one sensor pixel of the sensor pixels includes: an optical sensor that transfers a photoelectrically converted charge from the power line to a first node in response to a driving signal provided through a first driving line of the driving lines; a first transistor connected between the first node and a first sub-line among the sub-lines, wherein the first transistor includes a gate electrode connected to the first driving line; and a second transistor connected between the first node and a second sub-line among the sub-lines, wherein the second transistor includes a gate electrode connected to the first driving line.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: January 3, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Chul Lee, Hyeon Do Park, In Soo Wang
  • Patent number: 11330700
    Abstract: A display device includes: a display panel; an input sensor disposed on the display panel; a flexible circuit board connected to the display panel and the input sensor; a first differential signal line and a second differential signal line, which are disposed on the flexible circuit board and connected to the display panel; and a transmission line and a receiving line, which are disposed on the flexible circuit board and connected to the input sensor. In a plan view, the receiving line is disposed between the first differential signal line and the second differential signal line.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: May 10, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo-Chul Lee, In Soo Wang
  • Patent number: 11256360
    Abstract: A display device of the disclosure includes a panel including pixels, and first sensors and second sensors overlapping the pixels, and a circuit board. The circuit board includes a first sensor pad electrically connected to a respective first sensor, a second sensor pad electrically connected to a respective second sensor, and a data pad electrically connected to respective pixels, a sensor driver, a first sensor line having one end connected to the first sensor pad and another end connected to the sensor driver, a second sensor line having one end connected to the second sensor pad and another end connected to the sensor driver, a data extension line having one end connected to the data pad, and a first decoupling capacitor connected to the first sensor line disposed between the sensor driver and a first point where the first sensor line and the data extension line cross.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: February 22, 2022
    Inventors: Hyo Chui Lee, In Soo Wang
  • Publication number: 20220030700
    Abstract: A circuit board for a display device includes: a signal line to transmit signal, a first metallic layer overlapping the signal line, a first conductive layer spaced apart from the first metallic layer, a base layer insulating the signal line from the first metallic layer and from the first conductive layer, and a first capacitor including a first terminal electrically coupled to the first metallic layer and a second terminal electrically coupled to the first conductive layer.
    Type: Application
    Filed: April 25, 2021
    Publication date: January 27, 2022
    Inventors: HYO-CHUL LEE, JI-WON KIM, IN SOO WANG
  • Publication number: 20210375187
    Abstract: A display device of the disclosure includes a panel including pixels, and first sensors and second sensors overlapping the pixels, and a circuit board. The circuit board includes a first sensor pad electrically connected to a respective first sensor, a second sensor pad electrically connected to a respective second sensor, and a data pad electrically connected to respective pixels, a sensor driver, a first sensor line having one end connected to the first sensor pad and another end connected to the sensor driver, a second sensor line having one end connected to the second sensor pad and another end connected to the sensor driver, a data extension line having one end connected to the data pad, and a first decoupling capacitor connected to the first sensor line disposed between the sensor driver and a first point where the first sensor line and the data extension line cross.
    Type: Application
    Filed: January 19, 2021
    Publication date: December 2, 2021
    Inventors: Hyo Chul LEE, In Soo WANG
  • Publication number: 20210378088
    Abstract: A display device includes: a display panel; an input sensor disposed on the display panel; a flexible circuit board connected to the display panel and the input sensor; a first differential signal line and a second differential signal line, which are disposed on the flexible circuit board and connected to the display panel; and a transmission line and a receiving line, which are disposed on the flexible circuit board and connected to the input sensor. In a plan view, the receiving line is disposed between the first differential signal line and the second differential signal line.
    Type: Application
    Filed: January 25, 2021
    Publication date: December 2, 2021
    Inventors: Hyo-Chul Lee, In Soo Wang
  • Publication number: 20210326558
    Abstract: An input sensing device including: a power line; driving lines; a first signal line including sub-lines; a second signal line connected to the sub-lines; and sensor pixels connected to the power line, the driving lines, and the first signal line, wherein at least one sensor pixel of the sensor pixels includes: an optical sensor that transfers a photoelectrically converted charge from the power line to a first node in response to a driving signal provided through a first driving line of the driving lines; a first transistor connected between the first node and a first sub-line among the sub-lines, wherein the first transistor includes a gate electrode connected to the first driving line; and a second transistor connected between the first node and a second sub-line among the sub-lines, wherein the second transistor includes a gate electrode connected to the first driving line.
    Type: Application
    Filed: March 2, 2021
    Publication date: October 21, 2021
    Inventors: Hyo Chul LEE, Hyeon Do PARK, In Soo WANG
  • Publication number: 20210280570
    Abstract: A display device includes a display area including gate lines; a plurality of gate drivers disposed in a non-display area that is adjacent to the display area and connected to the gate lines; and a driving power transmitting line disposed in the non-display area and providing a driving power to the gate drivers. The driving power transmitting line includes a first driving power transmitting line and a second driving power transmitting line overlapping each other with an insulating layer disposed therebetween, the first driving power transmitting line and the second driving power transmitting line are connected with each other through a plurality of contact holes formed in the insulating layer, and the contact holes are disposed in a plurality of regions respectively overlapping the gate drivers in a direction parallel to an extending direction of the gate lines.
    Type: Application
    Filed: October 22, 2020
    Publication date: September 9, 2021
    Inventors: Hyo-Chul LEE, In Soo WANG
  • Publication number: 20200403484
    Abstract: Proposed is a power supply device for a submodule controller of a modular multilevel converter (MMC) connected to a high voltage direct current (HVDC) system, which generates and supplies power through by hydraulic turbine generation using coolant flowing through a heat sink that cools a submodule. The power supply device includes a heat sink disposed inside the submodule of the MMC converter to cool the submodule using coolant; a pipe having an inlet configured to supply the coolant to the heat sink and an outlet configured to discharge the coolant to outside of the heat sink and configured to form a flow path to cause the coolant supplied through the inlet to flow to the heat sink; and a hydraulic turbine generator disposed at one side of the pipe to generate power by the coolant flowing through the pipe and supply the power to the submodule controller.
    Type: Application
    Filed: December 21, 2018
    Publication date: December 24, 2020
    Inventors: Yong Hee PARK, Hong Ju JUNG, Jae Keun NO, In Soo WANG, Doo Young LEE, Jong Kyou JEONG, Joo Yeon LEE
  • Patent number: 10510277
    Abstract: An organic light emitting display device including pixels positioned in regions defined by scan lines and light emission control lines extending in a first direction, and data lines extending in a second direction different from the first direction, the pixels being configured to control an amount of current flowing from a first power source to a second power source by way of organic light emitting diodes (OLEDs) in response to data signals, organic light emitting display device includes a scan driver configured to sequentially supply scan signals to the scan lines and light emission control signals to the light emission control lines during an inspection period, and a data driver configured to supply inspection data signals to the data lines in synchronization with the scan signals during the inspection period.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: December 17, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: In Soo Wang
  • Patent number: 10466831
    Abstract: A touch display device according to an exemplary embodiment of the present inventive concept includes: a plurality of pixel circuits; a plurality of first signal lines respectively connected to the plurality of pixel circuits and extending in a first direction; and a plurality of second signal lines respectively connected to the plurality of pixel circuits and extending in a second direction, wherein at least one signal line among the plurality of first signal lines and the plurality of second signal lines function as a first sensing electrode and a second sensing electrode in the touch mode, respectively.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: November 5, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gi Chang Lee, In Soo Wang, Hyun Woo Cho