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).

  • Publication number: 20210063704
    Abstract: An optical imaging system includes a first lens group including a first lens and a second lens, a second lens group including a third lens, a fourth lens, and a fifth lens, and a third lens group including a sixth lens and a seventh lens. The first to seventh lenses are arranged in order from an object side, at least one of the first lens group to the third lens group is moved on an optical axis to change a distance between the first lens group to the third lens group, and the following conditional expression is satisfied: 0.2<BFL/(2*IMG HT)<2.0 where BFL is a distance on the optical axis from an image-side surface of the seventh lens to an imaging surface of an image sensor, and IMG HT is half a diagonal length of the imaging surface of the image sensor.
    Type: Application
    Filed: August 28, 2020
    Publication date: March 4, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ju Hwa SON, Hyo Jin HWANG, Yong Joo JO, Sang Hyun JANG, Jong Gi LEE
  • Publication number: 20210063701
    Abstract: An optical imaging system includes a first lens having a convex image-side surface, a second lens having a concave object-side surface, a third lens, a fourth lens, and a fifth lens disposed sequentially from an object side. The optical imaging system satisfies 4.8<f/IMG_HT<9.0, where f is a focal length of the optical imaging system, and IMG_HT is half a diagonal length of an imaging surface of an image sensor.
    Type: Application
    Filed: August 27, 2020
    Publication date: March 4, 2021
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ju Hwa SON, Jong Gi LEE, Hyo Jin HWANG, Sang Hyun JANG, Yong Joo JO
  • Patent number: 10934350
    Abstract: An anti-Ang2 antibody or an antigen-binding fragment thereof that specifically binds to an angiogenesis-inducing factor Angiopoietin-2 (Ang2) and complexes with a Tie2 receptor through Ang2, and methods of using the same.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: March 2, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seok Kyun Kim, Sunghyun Kim, Sang Yeul Han, Seung Hyun Lee, Su Jin Kim, Yong In Kim, Hyung-Chan Kim, Kwang Hoon Lee, Hyo Seon Lee
  • 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: 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: 20210054347
    Abstract: Disclosed is a modified microorganism producing putrescine or ornithine, and a method for producing putrescine or ornithine using the same.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 25, 2021
    Inventors: Su Jin PARK, Young Lyeol YANG, Hye Won UM, Hong Xian LI, Kyoung Min LEE, Baek Seok LEE, Hyo Hyoung LEE, Hee Kyoung JUNG
  • Patent number: 10927097
    Abstract: The present application relates to an indole compound represented by formula (1): a pharmaceutically acceptable salt or isomer thereof, a composition for prevention or treatment of necrosis and necrosis-associated diseases, and a method for preparing the composition, the composition comprising the indole compound or the pharmaceutically acceptable salt or isomer thereof as an active ingredient.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: February 23, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Heui Sul Park, Sun Young Koo, Hyoung Jin Kim, Sung Bae Lee, Hyo Shin Kwak, Vasily Artemov, Soon Ha Kim
  • Patent number: 10930936
    Abstract: An apparatus and a method for manufacturing a continuous reactor type core-shell catalyst electrode, which may manufacture a large amount of continuous reactor type core-shell catalyst electrodes by improving coating efficiency of shell metal by using reaction chambers disposed in a circular shape or in a line are provided. The apparatus for manufacturing a continuous reactor type core-shell catalyst electrode includes: a main body; reaction chambers which are disposed plurally in a circular shape inside the main body, store reaction solution inside thereof, are equipped with a movable member and counter electrodes, and are coupled with a reference electrode to a lateral portion thereof; a palladium sheet which is moved by the movable member and immersed in the reaction solution as the movable member moves downward; a power supply which applies a voltage to the electrodes.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: February 23, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Gu-gon Park, Hyo-june Lee, Chang-soo Kim, Won-yong Lee, Tae-hyun Yang, Sung-dae Yim, Min-jin Kim, Young-jun Sohn, Byung-chan Bae, Seung-gon Kim, Dong-won Shin, Hwan-yeong Oh, Seung-hee Woo, So-jeong Lee, Hye-jin Lee, Yoon-young Choi, Seok-hee Park
  • Patent number: 10925914
    Abstract: The present invention provides a health functional food composition and a pharmaceutical composition for preventing and alleviating depression, both compositions using an extract of Vaccinium bracteatum Thunb. fruits, which are Korean natural resources, so as to be safely usable without toxicity and side effects.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: February 23, 2021
    Assignee: JEONNAM BIOINDUSTRY FOUNDATION
    Inventors: Chul Yung Choi, Jae Yong Kim, Gyu Ok Lee, Ja Won Shin, Hu Won Kang, Ara Jo, Hak Joon Choi, Sang O Pan, Sung Yoon Park, Hyo Jeong Yun, So Jeong Im, Mi Ri Kim, Yong Uk Kim, Dool-Ri Oh, Eun Jin Choi, Yu Jin Kim, Dong Hyuck Bae, KyoNyeo Oh, Myung-A Jung, Ji Ae Hong, Hyun Mi Lee, Rack Seon Seong
  • 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: 10908461
    Abstract: The exemplary embodiments relate generally to a display device that may include: a first substrate and a second substrate, each including a transparent encapsulation area; an outer sealant along a side of the transparent encapsulation area; a pattern part disposed on the first substrate and extending in a direction parallel to the outer sealant; and a transparent sealant adjacent to the pattern part and extending in a direction parallel to the pattern part, and a manufacturing method thereof.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: February 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyoung-Joon Kim, Hyo Jin Kim, Kap Soo Yoon, Jeong Hyun Lee, Tae Hee Lee, So Young Jun, Soong Won Cho, Jeong Uk Heo
  • 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
  • Publication number: 20210028369
    Abstract: The present disclosure relates to a composition material for an organic electroluminescent device, a plurality of host materials, and an organic electroluminescent device comprising the same. By comprising the composition material for an organic electroluminescent device of the present disclosure, it is possible to provide an organic electroluminescent device having high luminous efficiency and/or long lifespan characteristics.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 28, 2021
    Inventors: Bitnari KIM, Sang-Hee CHO, Hyo-Jung LEE, Ye-Jin JEON, Hyun-Ju KANG, Su-Hyun LEE, Jeong-Eun YANG
  • Publication number: 20210020113
    Abstract: A method of driving a display panel includes dividing an input image into a plurality of segments, generating a flicker value of a segment of the plurality of segments, determining whether to compensate the flicker value of the segment or not according to a segment size, compensating the flicker value of the segment based on the segment size, determining a frame rate of the display panel based on the flicker value of the segment and outputting a data voltage to the display panel in the frame rate. The flicker value of the segment is compensated based on the flicker value of the segment and flicker values of segments that are adjacent to the segment.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 21, 2021
    Inventors: Sehyuk PARK, Sangan KWON, HongSoo KIM, Jinyoung ROH, Hyo Jin LEE
  • Publication number: 20210015292
    Abstract: The present disclosure relates to an apparatus and a method for estimating a state of an object to be heated based on sound which is generated when the object to be heated is heated, and providing the estimated information to other devices in an Internet of Things (IoT) environment through a 5G communication network. The heating apparatus may include a housing having a receiving space therein, a heating member disposed within the housing, a power supplier for supplying power to the heating member, a top plate disposed on the top of the housing to support the object to be heated, a sound sensor disposed on the bottom of the top plate, and a controller for predicting the state of the object to be heated by using a deep neural network model that has been trained through machine learning based on a sound signal received from the sound sensor.
    Type: Application
    Filed: November 5, 2019
    Publication date: January 21, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Hyo Jin AN, Young Min LEE, Heung Sik CHOI
  • Patent number: 10896645
    Abstract: A foldable display device according to example embodiments includes a flexible display panel including a first display area having at least partially foldable area and a second display area not having the foldable area, a folding sensor in the first display area configured to detect a folding status of the flexible display panel and output a detecting signal which includes the folding status of the flexible display panel, a scan driver configured to sequentially provide scan signals to at least a part of a plurality of scan lines based on the detecting signal, a data driver configured to provide data signals to the flexible display panel based on the detecting signal, and a timing controller configured to convert input image data into corrected image data based on the detecting signal and control the scan driver and the data driver.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: January 19, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Jun Lee, Hyo-Jin Lee, Hui Nam, Myung-Ho Lee
  • Publication number: 20210002682
    Abstract: The present disclosure relates to modified homoserine dehydrogenase and a method for producing a homoserine-derived L-amino acid using the same.
    Type: Application
    Filed: May 21, 2019
    Publication date: January 7, 2021
    Inventors: Hyo Jin KIM, Lan HUH, Sang Jo LIM, Hyun Ah KIM, Hyoung Joon KIM, Chang il SEO, Seung Bin LEE, Ji Sun LEE
  • Publication number: 20210005130
    Abstract: A display driver includes a still image detector configured to receive a compressed image bitstream at an input frame frequency from a host processor, and to detect a still image by comparing the compressed image bitstream of a current frame and the compressed image bitstream of a previous frame, a driving frequency changer configured to output the compressed image bitstream at a first output frame frequency equal to the input frame frequency when the still image is not detected, and to output the compressed image bitstream at a second output frame frequency lower than the input frame frequency when the still image is detected, and a decoder configured to generate original image data at the first output frame frequency and the second output frame frequency.
    Type: Application
    Filed: March 24, 2020
    Publication date: January 7, 2021
    Inventors: Jinyoung ROH, Sangan KWON, Sehyuk PARK, Hyo Jin LEE, HongSoo KIM, Sukhun LEE
  • Publication number: 20200410942
    Abstract: A display device includes display device includes: a display panel including a plurality of pixels; a data driver configured to generate data voltages based on output image data, and to provide the data voltages to the plurality of pixels; and a controller configured to receive input image data and input frequency information from a host processor, and to provide the output image data to the data driver, wherein the controller includes an adaptive refresh block configured to: determine a target frequency by analyzing the input image data; determine a masking ratio based on an input frequency represented by the input frequency information and the target frequency; and selectively output the input image data as the output image data by performing a masking operation on the input image data with the masking ratio.
    Type: Application
    Filed: March 19, 2020
    Publication date: December 31, 2020
    Inventors: HongSoo KIM, Sehyuk PARK, Hyo Jin LEE, Sangan KWON, Jinyoung ROH, Sukhun LEE, Jun Heyung JUNG