Patents by Inventor Hyo Jin Lee

Hyo Jin 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: 10996504
    Abstract: A display device includes a first pixel including a first light emitting diode (“LED”) and a second LED having a color different from that of the first LED, a second pixel including a third LED having a same color as that of the first LED, a third pixel including a fourth LED having a same color as that of the first LED, and a color filter layer including a first color filter located on the first pixel, a second color filter that has a color different from a color of the first color filter and is located on the second pixel, and a third color filter that has a color different from the colors of the first and second color filters and is located on the third pixel.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: May 4, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hyuk Park, Hyo Jin Lee
  • Patent number: 10999692
    Abstract: The audio device according to the present disclosure may include a mixer that adjusts the number of channels of an inputted audio signal based on the number of speakers connected, a transmitter that transmits a test audio signal for speaker setup, to at least one speaker among the plurality of speakers, a feedback receiver that receives a signal of the outputted audio, a controller that determines an output time difference between the plurality of speakers, based on the signal of the outputted audio, and a post-processor that adds an output delay signal to the audio signal of at least one channel of a multi-channel audio signal provided to the plurality of speakers so as to synchronize the outputs of the plurality of speakers, based on the determined output time difference.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: May 4, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Tae Young Kim, Tae Jin Park, Si Jin Kim, Eun Jung Lee, Soon Hyung Hwang, Hyo Rim Kim, Min Jae Kim, Hyo Sung Kim
  • Patent number: 10995378
    Abstract: The present disclosure relates to a microorganism producing L-tryptophan in which the microorganism is modified such that a protein having an L-tryptophan-exporting activity comprising the amino acid sequence of SEQ ID NO: 1 is expressed, and a method for producing L-tryptophan using the microorganism.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: May 4, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Moo Young Jung, Chang Il Seo, Hyo Jin Kim, Tae Yeon Kim, Hyun Ah Kim, Sung Kwang Son, Hye Ryun Yoo, Jae Min Lee, Ki Yong Cheong
  • Patent number: 10992634
    Abstract: A message server and a message processing apparatus including the same are provided. According to the embodiments of the present disclosure, when the device management module is not available to be used, a message is directly delivered to the application client through the third party message server so that the reliability of the message forwarded between a sender side and a receiver side can be ensured.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Eun-su Jang, Kyung-Rae Jang, Min-Jung Choi, Min-kyu Jung, Ha-Jin Park, Hyo-Joong Lee, Hyun-Myung Jung, Se-Hyuk Noh, Soon-Hyoung Hwang
  • Publication number: 20210118013
    Abstract: A method of displaying a profile view in an instant messaging service includes providing at least one set item applicable to the profile view for the personal account, applying a set item selected by the user from the set item to the profile view, providing an edit view for editing at least one profile item included in the set item applied to the profile view, and displaying a profile view edited through the edit view.
    Type: Application
    Filed: October 19, 2020
    Publication date: April 22, 2021
    Inventors: Hyo Jin HAM, Ha Young KIM, So Ra LEE, Jeong Min YUN, Seong Hoon KIM, Do Yeon KIM, Ji Hwi PARK, Se Hyeong KIM, Seung Hyup HAN, Hye Mi LEE
  • Publication number: 20210119305
    Abstract: Disclosed is an electrode assembly formed in a structure in which a plurality of positive electrodes with bundled positive electrode tabs and a plurality of negative electrodes with bundled negative electrode tabs are alternately stacked, each of the bundles of electrode tabs includes a first surface connected to a corresponding electrode lead and a second surface opposite the first surface, the first surface includes a plurality of first pressure welding portions and a plurality of first non-pressure, the second surface includes a plurality of second pressure welding portions and a plurality of second non-pressure welding portions The area of one of the first pressure welding portions is less than the area of one of the second pressure welding portions.
    Type: Application
    Filed: January 15, 2020
    Publication date: April 22, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Hyeon Jin Lee, Dong Hyeuk Park, Myoung Jin Ko, Hyo Jin Lee, Sung Jun Jo
  • Publication number: 20210113998
    Abstract: The present disclosure relates to a catalyst for directly decomposing urea, a method for preparing the same and a system for decomposing urea including the same, whereby the efficiency of decomposing urea to ammonia may be improved while preventing the formation of a byproduct such as biuret at temperatures of 200° C. or below by controlling the oxygen composition of the catalyst including titania and ceria.
    Type: Application
    Filed: September 2, 2020
    Publication date: April 22, 2021
    Inventors: Sei Youn Noh, Nam Ha Kim, Byung Han Seo, Hyo Sang Lee, Myoung Jin Kha, Jong Min Won, Gyeong Ryun Choi
  • Publication number: 20210116393
    Abstract: The present invention relates to a planar-type plasma diagnosis apparatus comprising: a transmission antenna for applying a frequency-variable microwave to plasma; a reception antenna for receiving the microwave from the plasma; and a body part encompassing the transmission antenna and the reception antenna so that same are insulated from each other, wherein the upper surface of the transmission antenna for applying the microwave and the upper surface of the reception antenna for receiving the microwave are planar, and side surfaces of the upper surfaces of the transmission antenna and the reception antenna face each other.
    Type: Application
    Filed: April 15, 2019
    Publication date: April 22, 2021
    Inventors: Hyo Chang LEE, Jung Hyung KIM, Dae Jin SEONG, Hee Jung YEOM
  • Patent number: 10984707
    Abstract: A pixel includes: a first transistor configured to generate a driving current corresponding to a data signal transmitted from a corresponding data line; a first light emitting diode (LED) including a cathode connected to a first power supply line and an anode connected to a second power supply line, and configured to emit light by the driving current; a second light emitting diode (LED) including a cathode connected to the second power supply line and an anode connected to the first power supply line, and configured to emit light by the driving current; a second transistor connected to the anode of the first light emitting diode (LED), and configured to transmit the driving current to the first light emitting diode (LED); and a third transistor connected to the anode of the second light emitting diode (LED), and configured to transmit the driving current to the second light emitting diode (LED.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: April 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyo Jin Lee, Se Hyuk Park
  • Publication number: 20210110771
    Abstract: A pixel of a display device includes a capacitor; a light emitting diode; and first, second, third, and fourth transistors. The display device has a normal frequency mode and a low frequency mode. Two electrodes of the capacitor are respectively connected to a first voltage source and a gate node. A gate electrode of the first transistor is connected to the gate node. In a hold period in the low frequency mode, both the second and third transistors receive a scan signal, the third transistor diode-connects the first transistor, the fourth transistor receives an initialization signal and transfers an initialization voltage to the gate node, the scan signal is at a first off voltage level, and the initialization signal is at a second off voltage level unequal to the first off voltage level. The cathode of the light emitting diode is connected to a second voltage source.
    Type: Application
    Filed: May 6, 2020
    Publication date: April 15, 2021
    Inventors: Hyo Jin Lee, Sangan Kwon, Jin Young Roh, Sehyuk Park
  • Patent number: 10977998
    Abstract: A pixel circuit includes a main-circuit that controls an organic light-emitting element by controlling a driving current to flow into the organic light-emitting element and a sub-circuit including a first compensation transistor including a gate terminal which receives a first gate signal, a second compensation transistor including a gate terminal which receives a second gate signal, and an initialization transistor including a gate terminal which receives an initialization signal. Here, in a low-frequency driving mode, a driving frequency of the first gate signal is N hertz (Hz), a driving frequency of the initialization signal is N Hz, a driving frequency of the second gate signal is M Hz, the first compensation transistor and the initialization transistor are turned on during a first time duration in N non-light-emitting periods per second, and the second compensation transistor is turned on during a second time duration in M non-light-emitting periods per second.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jin Lee, Joon-Chul Goh, Sangan Kwon, Hui Nam, Jin Young Roh, Sehyuk Park
  • Publication number: 20210097924
    Abstract: A display apparatus includes a display panel displaying an image based on an input image data, a data driver outputting a data voltage to a data line, and a driving controller determining a driving frequency of the display panel based on the input image data. The driving controller includes a flicker value storage configured to store flicker values for grayscale values corresponding to the input image data, a voltage drop determiner configured to adjust a flicker value of the flicker values based on a voltage drop of the display panel, a still image determiner configured to determine whether the input image data is a still image or a video image, and a driving frequency determiner configured to determine the driving frequency of the display panel using the flicker value based on the input image data being the still image.
    Type: Application
    Filed: August 12, 2020
    Publication date: April 1, 2021
    Inventors: Suk Hun LEE, Sangan KWON, Hong Soo KIM, Jin Young ROH, Sehyuk PARK, Hyo Jin LEE
  • Patent number: 10964270
    Abstract: A method of driving a pixel including: during a first period of a first frame, applying a first scan signal having a turn-on level to the first scan line, applying a data voltage to a data line, and applying a second scan signal having the turn-on level to the second scan line; and during a second period of a second frame, applying the first scan signal having the turn-on level to the first scan line, applying a bias voltage to the data line, and applying the second scan signal having a turn-off level to the second scan line, the second frame is a frame subsequent to the first frame, the second period is longer than the first period, and a light-emitting diode emits light at luminance based on the data voltage during at least a portion of the first frame and at least a portion of the second frame.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: March 30, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Woong Kim, Oh Jo Kwon, Hyo Jin Lee, Se Hyuk Park
  • Publication number: 20210084517
    Abstract: Disclosed is a method by a terminal in a mobile communication system including receiving, from a base station, CSI measurement configuration information for a serving cell, measuring a first reference signal for obtaining reference signal received power (RSRP) information based on the first CSI configuration information related to the RSRP for the physical layer signaling, transmitting the RSRP information to the base station through the physical layer signaling, measuring a second reference signal for obtaining CSI, and transmitting the CSI to the base station, the first CSI configuration information including information indicating whether to use group based reporting for the RSRP information, and the first CSI configuration information including information indicating a number of antenna ports for the RSRP information when the group based reporting is not configured for the RSRP information.
    Type: Application
    Filed: November 16, 2020
    Publication date: March 18, 2021
    Inventors: Young Bum Kim, Youn Sun Kim, Ju Ho Lee, Jin Kyu Han, Joon Young Cho, Hyo Jin Lee
  • Publication number: 20210074217
    Abstract: A pixel includes: a storage capacitor connected between a first power supply voltage and a gate node; a first transistor including a gate electrode connected to the gate node; a second transistor to transfer a data signal to a source of the first transistor in response to a scan signal; a third transistor to diode-connect the first transistor in response to the scan signal, and including first and second sub-transistors serially connected between the gate node and a drain of the first transistor; a fourth transistor to transfer an initialization voltage to the gate node in response to an initialization signal, and including third and fourth sub-transistors serially connected between the gate node and the initialization voltage; and an organic light emitting diode including a cathode connected to a second power supply voltage. At least one of the second and fourth sub-transistors includes a bottom electrode.
    Type: Application
    Filed: August 8, 2020
    Publication date: March 11, 2021
    Inventors: Hyo Jin LEE, Joon-Chul GOH, Sangan KWON, Hong Soo KIM, Hui NAM, Jin Young ROH, Sehyuk PARK
  • Publication number: 20210056895
    Abstract: A pixel circuit includes a main-circuit that controls an organic light-emitting element by controlling a driving current to flow into the organic light-emitting element and a sub-circuit including a first compensation transistor including a gate terminal which receives a first gate signal, a second compensation transistor including a gate terminal which receives a second gate signal, and an initialization transistor including a gate terminal which receives an initialization signal. Here, in a low-frequency driving mode, a driving frequency of the first gate signal is N hertz (Hz), a driving frequency of the initialization signal is N Hz, a driving frequency of the second gate signal is M Hz, the first compensation transistor and the initialization transistor are turned on during a first time duration in N non-light-emitting periods per second, and the second compensation transistor is turned on during a second time duration in M non-light-emitting periods per second.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 25, 2021
    Inventors: Hyo Jin LEE, Joon-Chul GOH, Sangan KWON, Hui NAM, Jin Young ROH, Sehyuk PARK
  • Publication number: 20210056885
    Abstract: A display apparatus includes a display panel, a data driver and a driving controller. The display panel is configured to display an image based on input image data. The data driver is configured to output a data voltage to the display panel. The driving controller includes a frequency adjuster circuit configured to determine a driving frequency of the display panel, and a dithering circuit configured to change a grayscale value of the input image data according to frames. The frequency adjuster circuit is configured to determine the driving frequency of the display panel based on the input image data and based on whether the dithering part is activated.
    Type: Application
    Filed: August 10, 2020
    Publication date: February 25, 2021
    Inventors: SEHYUK PARK, HONG SOO KIM, SANGAN KWON, JINYOUNG ROH, HYO JIN LEE
  • Publication number: 20210049949
    Abstract: A display apparatus including: a display panel configured to display an image based on input image data; a data driver configured to output a data voltage to the display panel; and a driving controller configured to determine a driving frequency of the display panel based on flicker values for grayscale values of the input image data and output a driving frequency signal representing the driving frequency of the display panel to a host.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 18, 2021
    Inventors: Hyo Jin LEE, Jae Keun LIM, Hong Soo KIM, Jinyoung ROH, Sehyuk PARK
  • Patent number: 10906275
    Abstract: Disclose are a wood sheet and a method for manufacturing the wood sheet. In particular, the real wood sheet is prepared with natural wood sheets used for interior and exterior materials, a binder and a stiffener, thereby providing patterned veneer appearance. Further, the wood sheet may have improved physical properties and reduced weight and be manufactured with reduced cost.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: February 2, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Hyo Jin Lee, Ho Tak Jeon
  • Publication number: 20210027686
    Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel including a gate line and a data line displays an image based on input image data. The gate driver outputs a gate signal to the gate line. The data driver outputs a data voltage to the data line. The driving controller includes an area divider dividing the input image data into first and second area data, a first variable frequency driver determining a first driving frequency of the first area data based on a flicker value according to a grayscale value and generating a first data signal of the first driving frequency and a second variable frequency driver determining a second driving frequency of the second area data based on a flicker value according to a grayscale value and generating a second data signal of the second driving frequency.
    Type: Application
    Filed: July 8, 2020
    Publication date: January 28, 2021
    Inventors: Jinyoung ROH, HongSoo KIM, Sangan KWON, Sehyuk PARK, Hyo Jin LEE