Patents by Inventor Jae-Hyeon JEON

Jae-Hyeon JEON 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: 20210049965
    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: Application
    Filed: July 30, 2020
    Publication date: February 18, 2021
    Inventors: Jae Hyeon JEON, Joon Chul GOH, Jin Wook YANG, Ki Hong SONG
  • Publication number: 20210027739
    Abstract: A display device includes: a first pixel connected to a first scan line and a data line; a second pixel connected to a second scan line and the data line; and a data driver connected to the data line. The data driver includes: a data voltage generator which applies a data voltage corresponding to a grayscale value of the first pixel to the data line when a scan signal of a turn-on level is applied to the first scan line; and an off voltage generator which applies an off voltage corresponding to a black grayscale value to the data line when a scan signal of a turn-on level is applied to the second scan line, in a first mode.
    Type: Application
    Filed: June 12, 2020
    Publication date: January 28, 2021
    Inventors: Won Tae KIM, Ji Hye KIM, Jae Hyeon JEON
  • Publication number: 20210020087
    Abstract: A display apparatus includes: a foldable display panel to display an image; a gate driver to output a gate signal to the foldable display panel; and a data driver to output a data voltage to the foldable display panel according to a driving current. The driving to change according to a display mode that corresponds to a folded state of the foldable display panel.
    Type: Application
    Filed: July 15, 2020
    Publication date: January 21, 2021
    Inventors: Taehoon KIM, Wontae KIM, Jihye KIM, Jae-Hyeon JEON
  • Patent number: 10861397
    Abstract: An OLED display device includes a display panel including first and second partial panel regions, a scan driver configured to sequentially apply scan signals to the first and second partial panel regions in a normal driving mode, and to sequentially apply the scan signals to a driven one of the first and second partial panel regions in a partial driving mode, and a data driver configured to apply data signals to the first and second partial panel regions in the normal driving mode, and to apply the data signals to the driven one of the first and second partial panel regions in the partial driving mode. In the partial driving mode, the scan driver is configured to sequentially apply diode initialization signals to the driven one of the first and second partial panel regions, and to concurrently apply the diode initialization signals to a non-driven one of the first and second partial panel regions.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: December 8, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Hyeon Jeon, Jihye Kim
  • Publication number: 20200330350
    Abstract: Provided are a novel pseudoceramide compound and uses thereof. The pseudoceramide has antioxidant, anti-inflammatory, skin whitening, and moisturizing effects. In addition, the pseudoceramide can be synthesized in a simple and economically advantageous manner and is free from problems associated with the preparation of cosmetic formulations resulting from low hydrophilicity, thus being suitable for use in cosmetic applications.
    Type: Application
    Filed: November 22, 2017
    Publication date: October 22, 2020
    Inventors: Jin Oh PARK, Ji Won LEE, Seong Hyeon JEON, Jae Young LEE, Hye Ja LEE, Bo Kyung KWON
  • Publication number: 20200335027
    Abstract: A source driver includes a plurality of output buffers configured to output data signals respectively corresponding to a plurality of data lines, and an output controller configured to control a timing at which each of the data signals corresponding to second image data is transferred from the output buffers to the data lines based on a difference between first image data and the second image data.
    Type: Application
    Filed: December 10, 2019
    Publication date: October 22, 2020
    Inventors: Won Tae KIM, Ji Hye KIM, Jae Hyeon JEON
  • Publication number: 20200335037
    Abstract: A pixel driver includes a plurality of stages. Each of the plurality of stages includes a pixel driving signal generator configured to generate a pixel driving signal, a shift register configured to receive image data and the pixel driving signal and to generate an output control signal for determining whether to output the pixel driving signal based on the image data and the pixel driving signal, and a selection circuit configured to selectively output the pixel driving signal in response to the output control signal.
    Type: Application
    Filed: January 10, 2020
    Publication date: October 22, 2020
    Inventors: WONTAE KIM, Jihye Kim, Jae-Hyeon Jeon
  • Publication number: 20200315015
    Abstract: A display device includes a folding area, a first unfolding area located on a side of the folding area, and a second unfolding area located on a second side of the folding area. The display device further includes a display module which includes a display panel, and a first circuit board which is attached to the display panel and disposed under the display module, wherein the first circuit board includes a base film, a first driving integrated circuit (“IC”) disposed in the first unfolding area, and a second driving IC disposed in the second unfolding area where the first driving IC and the second driving IC do not overlap each other in a thickness direction during folding.
    Type: Application
    Filed: February 20, 2020
    Publication date: October 1, 2020
    Inventors: Won Tae KIM, Ji Hye KIM, Jae Hyeon JEON
  • Publication number: 20200298718
    Abstract: A cooling control system and method for an on-board charger of a plug-in vehicle drive an electric water pump using a cooling control map when the temperature of the on-board charger equipped in a plug-in vehicle is equal to or above an overheat prevention temperature. The cooling control system and the method determine an entry of an optimal cooling control mode to cool the on-board charger to a temperature at which charging operational efficiency is maximized when the temperature of the on-board charger is below the overheat prevention temperature. Thereby, the on-board charger is cooled and the standard charging efficiency and the charge depletion fuel economy of the plug-in vehicle is maximized.
    Type: Application
    Filed: September 4, 2019
    Publication date: September 24, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Seung Hyeon Bin, Kil Young Youn, Sang Kyu Lee, Jae Hwa Jeon
  • Publication number: 20200286451
    Abstract: A display device includes a display panel including a first display area and a second display area adjacent to the first display area, a processor configured to generate first image data corresponding to the first and second display areas for a first mode, and to generate second image data corresponding to the first display area for a second mode, and a display driver configured to drive the display panel in response to the first image data in the first mode, and to drive the display panel in response to the second image data in the second mode, wherein a supplementary image is displayed in at least a portion of the second display area in the second mode.
    Type: Application
    Filed: February 12, 2020
    Publication date: September 10, 2020
    Inventors: Ji Hye KIM, Jae Hyeon JEON
  • Publication number: 20200243007
    Abstract: A display device includes a foldable display panel including first and second display areas configured to fold along a folding axis extending in a first direction, a first sensing line coupled to pixels in the first display area, and a second sensing line coupled to pixels in the second display area, a sensing unit coupled to the first and second sensing lines, and configured to generate first and second sensing data by sensing current of the pixels coupled to the first sensing line and to the second sensing line, and a timing controller configured to generate compensation data provided to the pixels in the first and second display areas based on the first and second sensing data, respectively, wherein the first and second sensing lines extend in a second direction that is substantially perpendicular to the first direction, and wherein the first and second sensing lines are alternately arranged.
    Type: Application
    Filed: December 12, 2019
    Publication date: July 30, 2020
    Inventors: Jae-Hyeon JEON, Jihye KIM
  • Publication number: 20200211469
    Abstract: An OLED display device includes a display panel including first and second partial panel regions, a scan driver configured to sequentially apply scan signals to the first and second partial panel regions in a normal driving mode, and to sequentially apply the scan signals to a driven one of the first and second partial panel regions in a partial driving mode, and a data driver configured to apply data signals to the first and second partial panel regions in the normal driving mode, and to apply the data signals to the driven one of the first and second partial panel regions in the partial driving mode. In the partial driving mode, the scan driver is configured to sequentially apply diode initialization signals to the driven one of the first and second partial panel regions, and to concurrently apply the diode initialization signals to a non-driven one of the first and second partial panel regions.
    Type: Application
    Filed: December 17, 2019
    Publication date: July 2, 2020
    Inventors: Jae-Hyeon JEON, Jihye KIM
  • Publication number: 20200185943
    Abstract: A supplementary charging system for an auxiliary battery of an eco-friendly vehicle includes: a main battery; an auxiliary battery having a voltage lower than that of the main battery; a low voltage DC-DC converter (LDC) stepping down the voltage of the main battery and providing the same to the auxiliary battery; and a controller that selects, when a periodic charge time of the auxiliary battery arrives, either a constant voltage charging method or a constant current charging method based on an aging state of the auxiliary battery, and that controls the LDC to charge the auxiliary battery with a constant voltage or a constant current based on the selected charging method for a predetermined reference time. The controller terminates the charging when a cumulative charge current amount is greater than or equal to a predetermined reference cumulative charge current amount.
    Type: Application
    Filed: July 31, 2019
    Publication date: June 11, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Kil Young YOUN, Seung Hyeon BIN, Sang Kyu LEE, Jae Hwa JEON
  • Patent number: 10679566
    Abstract: Provided herein may be a display device. The display device may include a substrate, a base layer, a first protrusion and a second protrusion. The substrate may include a pixel area, and a peripheral area surrounding the pixel area. The base layer may be disposed on the pixel area, and include a plurality of island patterns on which respective pixels are provided, and a plurality of bridge patterns coupling the adjacent island patterns to each other, the plurality of island patterns and the plurality of bridge patterns disposed on the first area. The first protrusion and the second protrusion may be provided on the base layer.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Hyeon Jeon, Byung Sun Kim, Ji Hye Kim, Hui Nam, Dong Hoon Lee
  • Publication number: 20200168611
    Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate including a plurality of active regions that extend longitudinally in a direction and an isolation region that electrically isolates the plurality of active regions from each other. The semiconductor device includes a gate trench that extends across the plurality of active regions and the isolation region. The semiconductor device includes a gate structure that extends in the gate trench. The semiconductor device includes a gate dielectric layer that is between the gate trench and the gate structure, in each of the plurality of active regions. The gate structure has a first width in the direction in each of the plurality of active regions and has a second width in the direction in the isolation region that is different from the first width.
    Type: Application
    Filed: September 10, 2019
    Publication date: May 28, 2020
    Inventors: Jae-hyeon Jeon, Se-keun Park, Dong-sik Park, Seok-ho Shin
  • Publication number: 20200152136
    Abstract: A display device includes a display panel including a folding area and a non-folding area, a data driver configured to provide a data voltage to the display panel, a gate driver configured to provide a gate signal to the display panel, a folding area compensator configured to generate a compensation data that adjusts a luminance of the folding area based upon a count of the number of times the folding area has been folded and a current flowing through a pixel formed in the folding area, and a timing controller configured to generate a control signal that controls the data driver, the gate driver, and the folding area compensator.
    Type: Application
    Filed: November 7, 2019
    Publication date: May 14, 2020
    Inventor: JAE-HYEON JEON
  • Patent number: 10520781
    Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: December 31, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Jae-Soo Jang, Ka Eun Kim, Ho Kil Oh, Se Hyun Lee, Hyo Ju Jung, Sang Hyeon Song, Sang Jin Jeon
  • Patent number: 10504413
    Abstract: A display apparatus includes a display panel including a plurality of data lines and a plurality of scan lines crossing the plurality of data lines, the plurality of data lines including a plurality of first data lines and a plurality of second data lines, a scan driver configured to sequentially output a plurality of scan signals to the plurality of scan lines, a first data driver circuit configured to sequentially output a plurality of first data signals to the plurality of first data lines, and a second data driver circuit configured to sequentially output a plurality of second data signals to the plurality of second data lines based on a feedback signal received from the first data driver circuit.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: December 10, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyojin Lee, Jihye Kim, Jae-Hyeon Jeon
  • Patent number: 10471834
    Abstract: A plug-in vehicle capable of wired-charging a battery through a charging connector using an external charger and a method for controlling the same are provided. The method for controlling charging of a vehicle configured to perform a charging operation using external power includes determining whether a refrigerant circulation device operates normally and the amount of refrigerant is normal when a temperature sensor of a charger malfunctions. When the refrigerant circulation device operates normally and the amount of refrigerant is normal, a temperature of the charger is estimated using a temperature of a heat dissipation device through which the refrigerant passes and the output of the charger is adjusted based on the estimated temperature.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: November 12, 2019
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Jae Hwa Jeon, Sang Kyu Lee, Kil Young Youn, Seung Hyeon Bin, Gu Bae Kang
  • Patent number: 10423043
    Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: September 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Jae-Soo Jang, Ka Eun Kim, Ho Kil Oh, Se Hyun Lee, Hyo Ju Jung, Sang Hyeon Song, Sang Jin Jeon