Patents by Inventor Dong Cho

Dong Cho 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: 11373603
    Abstract: The present disclosure provides a light emitting display apparatus including a display panel displaying an image, a power supply supplying a driving voltage to the display panel, a data driver supplying a data voltage to the display panel, a timing controller controlling the power supply and the data driver, and a sensing circuit unit receiving a feedback component of the driving voltage as a feedback voltage and selectively sensing an electrically stabilized period in the feedback voltage based on an internal control signal of the power supply.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: June 28, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Sang Uk Lee, Soon Dong Cho, Jung Jae Kim
  • Publication number: 20220194991
    Abstract: The present invention provides a recombinant expression vector comprising a gene encoding canine parvovirus 2a VP2 or 2b VP2 protein, a recombinant plant into which the vector is transformed, a vaccine composition against canine parvovirus, comprising canine parvovirus 2a VP2 or 2b VP2 protein obtained from the recombinant plant, and a composition for diagnosing canine parvovirus. When the recombinant plant of the present invention is used, canine parvovirus 2a VP2 or 2b VP2 antigen protein can be rapidly produced with high efficiency. Since the composition for diagnosing canine parvovirus according to the present invention uses a recombinant antigen protein, there is no possibility of contamination due to live virus handling, and thus the composition is safe, and the presence or absence of canine parvovirus infection can be rapidly diagnosed from a large amount of samples.
    Type: Application
    Filed: April 17, 2020
    Publication date: June 23, 2022
    Inventors: In-Ohk OUH, Jae-Young SONG, Ju-Yeon LEE, Soo Dong CHO, Jienny LEE, Yongjik LEE
  • Publication number: 20220189796
    Abstract: The present invention relates to an etching device and an etching method thereof, the etching device comprising: an etchant supply unit for supplying an etchant to an etching chamber; a rinsing liquid supply unit for supplying a rinsing liquid to the etching chamber; a cleaning liquid supply unit for supplying a cleaning liquid to the etching chamber; and a first pressurization maintaining unit for maintaining at least one of the etching chamber and the etchant supply unit in a pressurized atmosphere.
    Type: Application
    Filed: April 22, 2020
    Publication date: June 16, 2022
    Applicant: ZEUS CO., LTD.
    Inventors: Seung Hoon LEE, Sung Won MO, Yang Ho LEE, Jeong Hyun BAE, Seong Hwan PARK, Hyun Dong CHO
  • Publication number: 20220173016
    Abstract: A semiconductor device includes a substrate, an interlayer insulating layer on the substrate, a first etch stop layer on the substrate, a first through-silicon-via (TSV) configured to pass vertically through the substrate and the interlayer insulating layer, and a second TSV configured to pass vertically through the substrate, the interlayer insulating layer, and the first etch stop layer, wherein the second TSV has a width greater than that of the first TSV.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventors: Kwang Wuk PARK, Sung Dong CHO, Eun Ji KIM, Hak Seung LEE, Dae Suk LEE, Dong Chan LIM, Sang Jun PARK
  • Publication number: 20220118990
    Abstract: The disclosure relates to an electronic control system, device, and method. Specifically, according to the disclosure, an electronic control device comprises a transceiver receiving, from a sensor, raw data and a first error detection result obtained by performing a first error detection logic on the raw data, a detector obtaining a second error detection result by performing a second error detection logic on the raw data, and a comparator determining whether a sensor channel included in the sensor is faulty based on the first error detection result and the second error detection result.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 21, 2022
    Inventors: Jong Gyu PARK, HanYeol YU, Hyeon Dong CHO
  • Patent number: 11308880
    Abstract: A light emitting display device includes a display panel, a power supply configured to supply a first potential voltage and a second potential voltage to the display panel, and a switch circuit unit configured to sense the first potential voltage applied to the display panel and to feedback the first potential voltage to the power supply, wherein the power supply compensates for the first potential voltage based on the first potential voltage fed back from the switch circuit unit and to output the compensated first potential voltage.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: April 19, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Jung-Jae Kim, Yong-Chul Kwon, Soon-Dong Cho, Sang-Uk Lee, Dongwon Park
  • Publication number: 20220115248
    Abstract: The present invention relates to an etching device using an etching chamber, comprising: an etchant storage chamber in which an etchant is stored; a connection unit communicating with the etching liquid storage chamber; an etching chamber which is connected with the etching liquid storage chamber through the connection unit, and in which an object is etched; and a pressurization maintaining unit for maintaining the etching liquid storage chamber and/or the etching chamber in a pressurized atmosphere.
    Type: Application
    Filed: April 22, 2020
    Publication date: April 14, 2022
    Applicant: ZEUS CO., LTD.
    Inventors: Seung Hoon LEE, Sung Won MO, Yang Ho LEE, Jeong Hyun BAE, Seong Hwan PARK, Hyun Dong CHO
  • Publication number: 20220108897
    Abstract: The present invention relates to an etching device comprising: an etching chamber; an opening/closing unit for opening/closing the etching chamber; and a locking unit for selectively locking the opening/closing unit.
    Type: Application
    Filed: April 22, 2020
    Publication date: April 7, 2022
    Applicant: ZEUS CO., LTD.
    Inventors: Seung Hoon LEE, Sung Won MO, Joo Hyoung LEE, Beom Su KI, Seong Hwan PARK, Hyun Dong CHO
  • Publication number: 20220108659
    Abstract: A display device includes a display panel displaying an image, a scan driver configured to apply scan signals to the display panel, and a power supply configured to apply a gate high voltage and a gate low voltage to the scan driver. The scan driver discharges the display panel based on a second gate high voltage lower than the gate high voltage during a discharging operation of the display panel.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 7, 2022
    Inventors: Dong Ju Kim, Soon Dong Cho, Jun O Hur, Dong Won Park, Won Yong Jang
  • Patent number: 11289402
    Abstract: A semiconductor device includes a substrate, an interlayer insulating layer on the substrate, a first etch stop layer on the substrate, a first through-silicon-via (TSV) configured to pass vertically through the substrate and the interlayer insulating layer, and a second TSV configured to pass vertically through the substrate, the interlayer insulating layer, and the first etch stop layer, wherein the second TSV has a width greater than that of the first TSV.
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: March 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kwang Wuk Park, Sung Dong Cho, Eun Ji Kim, Hak Seung Lee, Dae Suk Lee, Dong Chan Lim, Sang Jun Park
  • Patent number: 11280878
    Abstract: The present disclosure relates to a radar system and a transmission apparatus therefor, including a signal generator for generating a first signal; a phase adjuster configured to include a plurality of input ports and at least one output port, to generate a second signal by adjusting the phase of the first signal according to an input port through which the first signal is transmitted among the plurality of input ports, and to output the generated second signal to an antenna unit; and a port selector configured to select at least one of the plurality of input ports of the phase adjuster according to an identification code and to transmit the first signal through the selected input port so that a transmission signal radiated through the antenna unit is phase inverted or formed in a pattern corresponding to the identification code, so that interference by the other radar system can be minimized, and the accuracy, reliability and frequency efficiency of the radar system can be improved.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: March 22, 2022
    Assignee: Mando Mobility Solutions Corporation
    Inventors: Jong Gyu Park, Hyeon Dong Cho, HanYeol Yu
  • Publication number: 20220068179
    Abstract: The present disclosure may provide a display apparatus including a display panel configured to display an image, a shift register configured to supply a scan signal to the display panel, a level shifter configured to output clock signals for driving the shift register, a power supply configured to supply a gate voltage to the level shifter, and a controller configured to sense a node voltage of a circuit generating the gate voltage, detect a short circuit between the clock signals based on a sensed value and an internal reference value, and control the power supply when the short circuit occurs between the clock signals.
    Type: Application
    Filed: August 10, 2021
    Publication date: March 3, 2022
    Inventors: Won Yong Jang, Hoon Jang, Soon Dong Cho
  • Patent number: 11244645
    Abstract: A display device includes a display panel and a level shifter. The display panel displays images. The level shifter includes a signal pad through which a clock signal to drive the display panel is output and a reverse signal pad through which a reverse clock signal different from the clock signal is output, and the reverse signal pad is in an electrically floated state.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: February 8, 2022
    Assignee: LG Display Co., Ltd
    Inventors: Se-Dong Park, Soon-Dong Cho, Dong-Ju Kim, Hee-Jung Hong, Jung-Jae Kim
  • Publication number: 20220036828
    Abstract: The present disclosure provides a light emitting display apparatus including a display panel displaying an image, a power supply supplying a driving voltage to the display panel, a data driver supplying a data voltage to the display panel, a timing controller controlling the power supply and the data driver, and a sensing circuit unit receiving a feedback component of the driving voltage as a feedback voltage and selectively sensing an electrically stabilized period in the feedback voltage based on an internal control signal of the power supply.
    Type: Application
    Filed: June 24, 2021
    Publication date: February 3, 2022
    Inventors: Sang Uk Lee, Soon Dong Cho, Jung Jae Kim
  • Patent number: 11211585
    Abstract: A flexible substrate includes a first flexible thin film including a first region and a second region surrounding the first region; a second flexible thin film on the first thin film and in the first and second regions; and an intermediate blocking layer between the first and second thin films and in the first region.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: December 28, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Nack-Bong Choi, Byung-Su Ahn, Yoon-Dong Cho
  • Patent number: 11186675
    Abstract: The disclosure describes an epoxy resin composition and a transformer including the same. The epoxy resin composition according to an embodiment of the present invention includes an epoxy resin having a glycol-based functional group in a main chain, a filler, a curing agent, and an imidazole-based catalyst, and the transformer according to an embodiment includes an insulated conductor wound in multiple layers in a vertical direction; a semi-conductive layer which is provided on the insulated conductor and disperses a concentrated electric field; and an insulator which is casted on the insulated conductor and the semi-conductive layer and forms an outer shape of the transformer, and the insulator consists of the epoxy resin composition including the epoxy resin having the glycol-based functional group in the main chain, the filler, the curing agent, and the imidazole-based catalyst.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: November 30, 2021
    Assignee: LSIS CO., LTD.
    Inventors: Sang-Eon Kim, Wook-Dong Cho, Heon-Seop Song, Tae-Yun Kang, Han-Gil Kim, Hyeon-Jeong Choi
  • Publication number: 20210283241
    Abstract: The present invention relates to: a rabies virus glycoprotein comprising an amino acid sequence represented by SEQ ID NO: 2; a recombinant vector for producing the glycoprotein; a transformant comprising the vector; and a vaccine composition comprising the rabies glycoprotein, and the like.
    Type: Application
    Filed: May 28, 2021
    Publication date: September 16, 2021
    Inventors: Yong Jik Lee, Sangmin Lee, Jae-Young Song, In-Ohk Ouh, Soo Dong Cho, Seyeon Park, Beong Sul Kang, Dong-Kun Yang, Ha-Hyun Kim
  • Publication number: 20210271096
    Abstract: An optical path control member according to an embodiment comprises: a base substrate; a resin layer disposed on the base substrate and including a plurality of engraved parts spaced from each other; and a plurality of pattern parts disposed inside the plurality of engraved parts and spaced from each other, wherein each of the pattern parts comprises a first light shielding layer and a second light shielding layer disposed on the first light shielding layer, the height of the first light shielding layer is higher than the height of the second light shielding layer, and the overall height of each of the pattern parts is less than or equal to the overall height of the engraved parts and greater than or equal to 93% of the height of the engraved parts.
    Type: Application
    Filed: July 15, 2019
    Publication date: September 2, 2021
    Inventors: Hyun Joon KIM, Hyun Dong CHO, Kwang Ho PARK, Sung Gon JUN, Dong Woo SOHN
  • Patent number: 11094280
    Abstract: The present disclosure relates to a level shifter and a display device using the same, and the level shifter includes a first transistor configured to increase a voltage of an output signal, a second transistor configured to lower a voltage of the output signal, a first driver configured to vary a gate voltage of the first transistor in response to a first Vgs signal being varied within a transition time of the output signal, and a second driver configured to vary a gate voltage of the second transistor in response to a second Vgs signal being varied within a transition time of the output signal.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: August 17, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hoon Jang, Juno Hur, Dong Ju Kim, Soon Dong Cho
  • Publication number: 20210246105
    Abstract: The present invention relates to a pharmaceutical composition for preventing or treating cancer metastasis, a health functional food, and a method for preventing or treating cancer metastasis using the same, containing a novel compound for inhibiting migration and invasion of cancer cells or a pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Application
    Filed: May 2, 2019
    Publication date: August 12, 2021
    Inventors: Byoung-Mog KWON, Dong Cho HAN, Yae Jin YOON, Yu Jin LEE, Jiyoun CHOI, Sangku LEE