Patents by Inventor Jin-Wook Yang

Jin-Wook Yang 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: 20220415258
    Abstract: A display device includes: a data driver for supplying a data signal to each of a plurality of data lines; and a pixel unit including a plurality of sub-pixels. The pixel unit further includes one dummy data line disposed separate from a data line of a first column among the data lines. The data line of the first column is connected to sub-pixels disposed on odd-numbered pixel rows among sub-pixels disposed on a first pixel column, and is connected to sub-pixels disposed on even-numbered pixel rows among sub-pixels disposed on a third pixel column. The dummy data line is connected to sub-pixels disposed on the even-numbered pixel rows among the sub-pixels disposed on the first pixel column.
    Type: Application
    Filed: June 14, 2022
    Publication date: December 29, 2022
    Inventors: Se Hyuk PARK, Jin Young ROH, Woo Mi BAE, Hae Kwan SEO, Young Ha SOHN, Jin Wook YANG
  • Publication number: 20220415254
    Abstract: A pixel of a display device includes a light-emitting diode and a pixel circuit that provides a current corresponding to a data signal to the light-emitting diode in response to a plurality of scan signals and a light emission control signal. The light emission control signal includes a first section and a second section, the second section includes a light-emission-on section and a light-emission-off section, the light emission control signal has an active level in the light-emission-on section and has an inactive level in each of the first section and the light-emission-off section, and the light-emission-on section and the light-emission-off section of the light emission control signal may vary depending on a light emission ratio of a dimming mode.
    Type: Application
    Filed: January 27, 2022
    Publication date: December 29, 2022
    Inventors: JAE-HYEON JEON, DONGGYU LEE, JIN-WOOK YANG
  • Publication number: 20220375380
    Abstract: A display system and a driving method for a display system that includes an application processor configured to supply a mode control signal corresponding to a plurality of driving modes and input image data corresponding thereto; and a display module that includes pixels configured to display an image and configured to control any one of a plurality of gamma values and power source voltages supplied to the pixels in response to the plurality of driving modes.
    Type: Application
    Filed: April 19, 2022
    Publication date: November 24, 2022
    Inventors: Se Hyuk PARK, Hong Soo KIM, Jin Young ROH, Hae Kwan SEO, Jin Wook YANG, Hyo Jin LEE, Jae Keun LIM
  • Publication number: 20220375400
    Abstract: A display device includes a display panel having first and second display areas. A data driver provides data and bias voltages to data lines. A timing controller controls the data driver and a scan driver based on at least two operation modes. The first mode drives the first and second display areas at a normal frequency, and the second mode drives the first display area at a first frequency substantially equal to or lower than the normal frequency and the second display area at a second frequency lower than the first frequency. The second mode includes an active frame to write a reference voltage to display a black image in the second display area, and blank frames to maintain the reference voltage and apply the bias voltage to the pixels in the second display area. The data driver varies the bias voltage in the blank frames.
    Type: Application
    Filed: April 4, 2022
    Publication date: November 24, 2022
    Inventors: Soon Dong KIM, Sang An KWON, Jin Wook YANG, Chang Noh YOON
  • Patent number: 11508320
    Abstract: A pixel of an OLED display device includes a first capacitor, a second capacitor, a first transistor configured to generate a driving current, a second transistor configured to transfer a data voltage to a first node, a third transistor configured to diode-connect the first transistor, a fourth transistor configured to transfer an initialization voltage to the second node, a fifth transistor configured to transfer a reference voltage to the first node, a sixth transistor configured to couple a drain of the first transistor and an anode of an organic light emitting diode, a seventh transistor configured to transfer the initialization voltage to the anode of the organic light emitting diode, an eighth transistor configured to transfer the initialization voltage to the drain of the first transistor, and the organic light emitting diode.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: November 22, 2022
    Inventors: Jihye Kim, Jakyoung Jin, Yu-Chol Kim, Jin-Wook Yang
  • Publication number: 20220366828
    Abstract: A display device includes four pixel arrays, a data driver, and a demultiplexer. The data driver is electrically connected to first and second data output lines. The demultiplexer electrically connects first and second data lines to the first data output line and electrically connects third and fourth data lines to the second data output line. The first to fourth pixel arrays are adjacent to the first to fourth data lines, respectively. Each of the first to fourth pixel arrays includes first and second color pixels. The first color pixels in the second pixel array are connected to the second data line, the second color pixels in the second pixel array are connected to the third data line, the second color pixels in the third pixel array are connected to the third data line, and the first color pixels in the third pixel array are connected to the second data line.
    Type: Application
    Filed: December 20, 2021
    Publication date: November 17, 2022
    Inventors: SEHYUK PARK, JINYOUNG ROH, WOOMI BAE, HAE-KWAN SEO, YOUNGHA SOHN, JIN-WOOK YANG
  • Patent number: 11488542
    Abstract: An organic light emitting display device includes: a display panel including a plurality of pixel rows each including first pixel groups alternating with second pixel groups; a gate driver configured to provide a first group gate signal to the first pixel groups, and to provide a second group gate signal to the second pixel groups; a data driver configured to output data voltages to a plurality of output line groups; and a connection controller configured to connect the output line groups to a first data line group in response to a first connection control signal, and to connect the output line groups to a second data line group in response to a second connection control signal.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: November 1, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Changnoh Yoon, Jin-Wook Yang
  • Patent number: 11482174
    Abstract: An embodiment provides a display device including: a light emitting diode; a driving transistor configured to supply a current to the light emitting diode; a switching transistor having an input electrode connected to a data line; and a voltage transmitting capacitor disposed between an output electrode of the switching transistor and a gate electrode of the driving transistor, wherein a data voltage applied to the data line may be transmitted to the gate electrode of the driving transistor through the voltage transmitting capacitor, and the data voltage may have a data voltage value from which a voltage variation variable is removed based on leakage of the switching transistor.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: October 25, 2022
    Inventors: Yu-Chol Kim, Jin-Wook Yang, Ji Hye Kim, Young Ha Sohn, Jae-Hyeon Jeon
  • Patent number: 11462156
    Abstract: The present disclosure relates to a display device and a method of driving the same. The display device includes a substrate, a display panel including a first display area including first pixels, a second display area including second pixels, and a third display area disposed between the first and second display areas and including third pixels, and a component disposed between the substrate and the display panel so as to overlap the second display area. Transmittance of the second display area is higher than transmittance of the first display area and transmittance of the third display area, and the third pixels are controlled such that a luminance gradually changes according to a distance from the second display area.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: October 4, 2022
    Inventors: Jin Wook Yang, Yu Chol Kim, Ji Hye Kim, Young Ha Sohn, Jae Hyeon Jeon
  • Publication number: 20220277709
    Abstract: An image display system includes a graphic processor which generates an image signal, a control signal, and a variable frequency signal; and a display device which displays an image at a frame frequency corresponding to the variable frequency signal from the graphic processor. The display device includes pixels connected to emission control lines, data lines, and scan lines; a controller which provides reference data including information on reference cycles, which are cycles in which an emission control start signal is output, to the graphic processor, outputs the emission control start signal based on the control signal, and adjusting an output timing of a scan start signal based on the variable frequency signal; an emission driver which supplies emission control signals to the emission control lines based on the emission control start signal; and a scan driver which supplies scan signals to the scan lines based on the scan start signal.
    Type: Application
    Filed: May 20, 2022
    Publication date: September 1, 2022
    Inventors: Dong Gyu LEE, Ji Hye KIM, Jin Wook YANG, Jae Hyeon JEON
  • Publication number: 20220262321
    Abstract: A display device including first to eighth pixels successively arranged in a first direction on a first horizontal line, and first to sixteenth data lines each extending in a second direction and successively arranged in the first direction, in which the second and third data lines are disposed between the first and second pixels and respectively connected to the first and second pixels, the sixth and seventh data lines are disposed between the third and fourth pixels and respectively connected to the third and fourth pixels, the tenth and eleventh data lines are disposed between the fifth and sixth pixels and respectively connected to the fifth and sixth pixels, the fourteenth and fifteenth data lines are disposed between the seventh and eighth pixels and respectively connected to the seventh and eighth pixels.
    Type: Application
    Filed: May 2, 2022
    Publication date: August 18, 2022
    Inventors: Eun Gyeong CHOE, Jin Wook YANG
  • Patent number: 11386844
    Abstract: A display device includes: a plurality of pixels, where each of the pixels includes a light emitting device and a pixel circuit coupled to the light emitting device; a scan driver which supplies a scan signal to the pixel circuit; a data driver which supplies a data signal to the pixel circuit; a power supply which supplies a voltage to the pixel circuit; a timing controller which controls the scan driver; a first signal generator which provides a first clock signal to the timing controller; and a second signal generator which provides a second clock signal to the timing controller.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: July 12, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Hyeon Jeon, Joon Chul Goh, Jin Wook Yang, Ki Hong Song
  • Publication number: 20220214749
    Abstract: A haptic effect transmission method for providing real-time immersive content according to the present invention includes executing participatory content in which one or more users participate, collecting motion information of the users participating in the participatory content through a haptic device, multiplexing the motion information with video and audio files of the participatory content to obtain a multiplexed file, and demultiplexing the multiplexed file and providing the demultiplexed file to a display device and a haptic device of a client terminal.
    Type: Application
    Filed: September 18, 2019
    Publication date: July 7, 2022
    Inventors: Woo Chool PARK, Jun Hwan JANG, Yong Hwa KIM, Jin Wook YANG, Sang Pil YOON, Hyun Wook KIM, Eun Kyung CHO, Min Su CHOI, Jun Suk LEE, Jae Young YANG
  • Publication number: 20220180813
    Abstract: A display device includes a first transistor including a first electrode connected to a first power line, a second electrode connected to a third node, and a gate electrode connected to a first node, a first capacitor formed between the first power line and a second node, a second capacitor formed between the first node and the second node, an emission transistor including a first electrode connected to the third node, a second electrode, and a gate electrode connected to an emission control line, and a light emitting element connected to the second electrode of the emission transistor and a second power line.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Inventors: JIN WOOK YANG, JI HYE KIM, YOUNG HA SOHN, DONG GYU LEE, JAE HYEON JEON
  • Patent number: 11341934
    Abstract: An image display system includes a graphic processor which generates an image signal, a control signal, and a variable frequency signal; and a display device which displays an image at a frame frequency corresponding to the variable frequency signal from the graphic processor. The display device includes pixels connected to emission control lines, data lines, and scan lines; a controller which provides reference data including information on reference cycles, which are cycles in which an emission control start signal is output, to the graphic processor, outputs the emission control start signal based on the control signal, and adjusting an output timing of a scan start signal based on the variable frequency signal; an emission driver which supplies emission control signals to the emission control lines based on the emission control start signal; and a scan driver which supplies scan signals to the scan lines based on the scan start signal.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Gyu Lee, Ji Hye Kim, Jin Wook Yang, Jae Hyeon Jeon
  • Publication number: 20220139301
    Abstract: A display device includes pixels, and first, second, and third gate lines and data lines connected to the pixels. At least one of the pixels includes a light emitting element, a first transistor connected between a first power source and the light emitting element for driving the light emitting element according to a voltage of a first node, a second transistor connected between the first node and a corresponding data line, and driven according to a voltage of a corresponding first gate line, a capacitor connected between the first node and a second node between the first transistor and the light emitting element, a third transistor between the second node and an initialization power line, and driven according to a voltage of a corresponding second gate line, and a fourth transistor connected between the first and second nodes, and driven according to a voltage of a corresponding third gate line.
    Type: Application
    Filed: September 15, 2021
    Publication date: May 5, 2022
    Inventors: Yu Chol KIM, Joon Chul GOH, Jin Wook YANG, Bong Hyun YOU
  • Publication number: 20220139333
    Abstract: A display device includes: a pixel connected to a first scan line, a second scan line, and a data line, and including a light emitting element and a storage capacitor; and a timing controller configured to drive the pixel in a normal mode in which a driving frequency is maintained constant or a frequency variable mode according to a variable frequency signal supplied from outside, wherein in the normal mode, a first electrode voltage of the light emitting element is initialized in response to a data voltage being supplied to the storage capacitor, and wherein in the frequency variable mode, the first electrode voltage of the light emitting element is not initialized in response to the data voltage being supplied to the storage capacitor.
    Type: Application
    Filed: July 1, 2021
    Publication date: May 5, 2022
    Inventors: Ja Kyoung JIN, Yu Chol KIM, Ji Hye KIM, Jin Wook YANG, Seong Oh YEOM
  • Patent number: 11322098
    Abstract: A display device including a first scan line, a first dot and a second dot each including first to fourth pixels sequentially connected to the first scan line, a data driver to supply data voltages to first to fourth output lines, and a switch unit to selectively connect the first to fourth output lines to the first to fourth pixels of the first dot or the second dot, in response to first and second control signals, and including first to fourth switches to selectively connect the first to fourth output lines to the first to fourth pixels of the first dot, respectively, in response to the first control signal, and fifth to eighth switches to selectively connect the first to fourth output lines to the third, the second, the first, and the fourth pixels of the second dot, respectively, in response to the second control signal.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: May 3, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun Gyeong Choe, Jin Wook Yang
  • Patent number: 11295662
    Abstract: A display device includes a display panel including a pixel, a voltage line supplying a power voltage to the pixel, and a reference voltage line supplying one of a reference voltage and the power voltage to the pixel; a mode selector configured to output one of a first selection signal and a second selection signal according to an operation mode of the display panel; and a switch configured to provide the reference voltage or the power voltage to the reference voltage line in response to one of the first selection signal and the second selection signal.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: April 5, 2022
    Inventors: Jae-Hyeon Jeon, Yu-Chol Kim, Jihye Kim, Jin-Wook Yang, Donggyu Lee, Jakyoung Jin
  • Publication number: 20220084472
    Abstract: A pixel of an OLED display device includes a first capacitor, a second capacitor, a first transistor configured to generate a driving current, a second transistor configured to transfer a data voltage to a first node, a third transistor configured to diode-connect the first transistor, a fourth transistor configured to transfer an initialization voltage to the second node, a fifth transistor configured to transfer a reference voltage to the first node, a sixth transistor configured to couple a drain of the first transistor and an anode of an organic light emitting diode, a seventh transistor configured to transfer the initialization voltage to the anode of the organic light emitting diode, an eighth transistor configured to transfer the initialization voltage to the drain of the first transistor, and the organic light emitting diode.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 17, 2022
    Inventors: JIHYE KIM, JAKYOUNG JIN, YU-CHOL KIM, JIN-WOOK YANG