Patents by Inventor Yeon Hee Lee

Yeon Hee 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: 12010900
    Abstract: Provided is a circularly polarizing plate capable of improving a reflection color by using a retardation film with flat dispersion characteristics, and an OLED device comprising the circularly polarizing plate.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: June 11, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Yeon Keun Lee, Hyun Hee Son, Mun Kyu Joo, Deok Hwan Kim, Dong Choon Kim
  • Patent number: 12010891
    Abstract: A display device comprises pixels including a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, and a fifth sub-pixel, each sub-pixel including an emission area, wherein the first sub-pixel and the fourth sub-pixel emit light of a first color, the second sub-pixel and the fifth sub-pixel emit light of a second color, the third sub-pixel emits light of a third color, a first emission area of the first sub-pixel, a second emission area of the second sub-pixel, a fourth emission area of the fourth sub-pixel, and a fifth emission area of the fifth sub-pixel surround a third emission area of the third sub-pixel, and the third emission area of the third sub-pixel has four interior angles equal to or greater than about 180 degrees, and another four interior angles equal to or less than about 90 degrees.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: June 11, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong Ho Son, Young Gu Kim, Ji Yun Park, Bong Sung Seo, Yeon Hee Lee, Baek Kyun Jeon, Kyung Seon Tak
  • Publication number: 20240158822
    Abstract: Disclosed herein are a microorganism with excellent deacetoxycephalosporin C (DAOC) productivity and a use thereof. A mutant microorganism with improved DAOC productivity and a use thereof for producing 7-aminodeacetoxycephalosporanic acid (7-ADCA) are provided.
    Type: Application
    Filed: October 17, 2023
    Publication date: May 16, 2024
    Inventors: Zhe PIAO, Young sung YUN, Hyeon Seo LEE, Yeon Hee CHOI, Mi Suk KANG, Xue Mei PIAO, You Mi KIM, Ji Su LEE, Hong Xian LI, Dong Il SEO, Dong Won JEONG, Seung Ki KIM
  • Patent number: 11985847
    Abstract: A circularly polarizing plate capable of improving the tone of reflective color sense by using a retardation film having flat dispersion characteristics; and an OLED device comprising the circularly polarizing plate.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: May 14, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Yeon Keun Lee, Hyun Hee Son, Mun Kyu Joo, Deok Hwan Kim, Dong Choon Kim
  • Publication number: 20240151361
    Abstract: A hydrogen supply method includes a two-side heat exchange mode in which both introducing a second fluid into a hydrogen storage part after the second fluid exchanges heat with a first fluid in a second heat exchanger in a state in which a compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in a thermal device are performed. The method also includes a one-side heat exchange mode in which one of introducing the second fluid into the hydrogen storage part after the second fluid exchanges heat with the first fluid in the second heat exchanger in a state in which the compressor is driven to compress the first fluid and introducing the second fluid into the hydrogen storage part after the second fluid is heated or cooled in the thermal device is performed.
    Type: Application
    Filed: August 30, 2023
    Publication date: May 9, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Yeon Ho Kim, Hoon Mo Park, Kyung Moon Lee, Dong Hoon Nam, Ji Hye Park, Young Jin Cho, Jea Wan Kim, Byeong Soo Shin, Ji Hoon Lee, Ho Young Jeong, Suk Hoon Hong, Man Hee Park, Yeong Jun Kim, Jae Yeon Kim, Ho Chan An
  • Publication number: 20240145531
    Abstract: A method for fabricating a semiconductor device includes: forming a first oxide layer containing a first element over a first electrode layer; forming a second oxide layer containing a second element over the first oxide layer; forming a stacked structure in which a plurality of first oxide layers and a plurality of second oxide layers are alternately stacked by repeating the forming of the first oxide layer and the forming of the second oxide layer a plurality of times; and forming a second electrode layer over the stacked structure, wherein a thickness of a lowermost first oxide layer among the plurality of first oxide layers is greater than a thickness of each of other first oxide layers.
    Type: Application
    Filed: April 14, 2023
    Publication date: May 2, 2024
    Inventors: Jung Wook WOO, Sei Yon KIM, Min Chul SUNG, Yeon Gyu LEE, Do Hee KIM, Ja Yong KIM
  • Patent number: 11950502
    Abstract: Provided is a novel compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
    Type: Grant
    Filed: April 17, 2021
    Date of Patent: April 2, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak Young Lee
  • Patent number: 11942481
    Abstract: A display device may include a thin film transistor disposed on a substrate, and a display element electrically connected to the thin film transistor. The thin film transistor may include an active pattern including polycrystalline silicon, a gate insulation layer disposed on the active pattern, and a gate electrode disposed on the gate insulation layer. An average value of grain sizes of the active pattern may be in a range of about 400 nm to about 800 nm. An RMS value of a surface roughness of the active pattern may be about 4 nm or less. A method of manufacturing a polycrystalline silicon layer may include cleaning an amorphous silicon layer with hydrofluoric acid, rinsing the amorphous silicon layer with hydrogenated deionized water, and irradiating the amorphous silicon layer with a laser beam having an energy density of about 440 mJ/cm2 to about 490 mJ/cm2.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Sung Lee, Jongoh Seo, Byung Soo So, Dong-min Lee, Yeon Hee Jeon, Jonghoon Choi
  • Publication number: 20230335694
    Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.
    Type: Application
    Filed: June 13, 2023
    Publication date: October 19, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK, Jae Jin LYU
  • Patent number: 11705544
    Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Gu Kim, Ji Yun Park, Bong Sung Seo, Jong Ho Son, Yeon Hee Lee, Baek Kyun Jeon, Kyung Seon Tak, Jae Jin Lyu
  • Patent number: 11466248
    Abstract: The present invention provides Streptomyces coelicolor strain A3(2)_M22-2C43 obtained by inducing a point mutation in the base sequence of the DagB gene in a wild-type Streptomyces coelicolor strain A3(2) by UV radiation. Since the Streptomyces coelicolor strain A3(2)_M22-2C43 according to the present invention expresses a DagB mutant enzyme expressing little or no DagB beta-agarase or exhibiting little or no beta-agarase activity, there is no need for separate isolation and purification of DagA enzymes from culture fluid, and the culture fluid of the Streptomyces coelicolor strain A3(2)_M22-2C43 or supernatant thereof may be used to produce, from agar or agarose, neoagarose oligosaccharides with a higher content of neoagarotetraose or neoagarohexaose than that of neoagarobiose.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: October 11, 2022
    Assignee: DYNEBIO INC.
    Inventors: Je Hyeon Lee, Eun Joo Kim, Yeon Hee Lee
  • Publication number: 20220262870
    Abstract: A display device comprises pixels including a first sub-pixel, a second sub-pixel, a third sub-pixel, a fourth sub-pixel, and a fifth sub-pixel, each sub-pixel including an emission area, wherein the first sub-pixel and the fourth sub-pixel emit light of a first color, the second sub-pixel and the fifth sub-pixel emit light of a second color, the third sub-pixel emits light of a third color, a first emission area of the first sub-pixel, a second emission area of the second sub-pixel, a fourth emission area of the fourth sub-pixel, and a fifth emission area of the fifth sub-pixel surround a third emission area of the third sub-pixel, and the third emission area of the third sub-pixel has four interior angles equal to or greater than about 180 degrees, and another four interior angles equal to or less than about 90 degrees.
    Type: Application
    Filed: October 5, 2021
    Publication date: August 18, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Jong Ho SON, Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
  • Publication number: 20220261692
    Abstract: Provided is a system and method for economic virtuous cycle simulation based on an artificial intelligence (AI) twin. The system for economic virtuous cycle simulation based on an AI twin includes an AI twin initial training unit configured to perform initial training on an AI twin model and learn initial parameters using an economic model, an AI twin optimization training unit configured to perform optimization tuning on the initial parameters of the AI twin model using past data collected in an initially trained model, an AI twin generating unit configured to generate an AI twin based on a learning model, and an AI twin operation unit configured to acquire an index for economic prediction to update the AI twin and perform an AI twin-based simulation.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 18, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yeon Hee LEE, Hyun Joong KANG, Yeong Min KIM, Tae Hwan KIM, Hyeon Jae KIM, Tae Wan YOU, Wan Seon LIM, Hoo Young AHN, Do Yeob YEO, Ho Sung LEE
  • Publication number: 20220165816
    Abstract: A display device includes a substrate. The substrate includes a display area and a non-display area, and the display area includes an emission area and a non-emission area. A display element layer includes a light emitting element on the emission area of the substrate. A bank is on the display element layer and overlaps the non-display area and the non-emission area of the substrate in a plan view. A color conversion layer is on the display element layer, overlaps the emission area in the plan view, and is to convert a color of light emitted from the light emitting element. An organic insulating layer is on the color conversion layer and the bank. A maximum thickness of the bank is about 4 ?m to about 20 ?m. An average inclination angle of a first side surface of the bank adjacent to an edge of the substrate in the non-display area based on an upper surface of the substrate is less than or equal to about 45 degrees.
    Type: Application
    Filed: August 4, 2021
    Publication date: May 26, 2022
    Inventors: Jong Ho SON, Young Gu KIM, Ji Yun PARK, Duck Jong SUH, Bong Sung SEO, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
  • Publication number: 20220140289
    Abstract: A display device includes: a substrate; a first electrode on the substrate; a bank layer on the first electrode; an organic light-emitting layer on the first electrode; a second electrode on the organic light-emitting layer and the bank layer; a high-refractive lens on the second electrode and having a refractive index higher than a refractive index of a material that overlaps the first electrode and contacts a side surface of the high-refractive lens; a display panel including an encapsulation member that is on the high-refractive lens; and an optical path adjustment film on the display panel. The optical path adjustment film includes a plurality of protruding patterns on the encapsulation member and a cover layer in spaces between adjacent protruding patterns from among the plurality of protruding patterns. A refractive index of each of the protruding patterns is smaller than a refractive index of the cover layer.
    Type: Application
    Filed: August 16, 2021
    Publication date: May 5, 2022
    Inventors: Kyung Seon TAK, Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON
  • Publication number: 20220123183
    Abstract: A display device includes a bank including an opening defining a plurality of pixels; a plurality of light emitting elements disposed in the plurality of pixels; a color conversion layer disposed on the plurality of light emitting elements in the opening; and a low refractive layer disposed on the color conversion layer in the opening.
    Type: Application
    Filed: May 13, 2021
    Publication date: April 21, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Young Gu KIM, Ji Yun PARK, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK, Jae Jin LYU
  • Publication number: 20220037623
    Abstract: A low refractive layer and a display device are provided. The display device includes a plurality of light-emitting elements, a color conversion layer on the light-emitting elements, and a low refractive layer on the color conversion layer, wherein the low refractive layer includes a monomer represented by Formula 1. In Formula 1, R1 and R3 may each independently be a substituted or unsubstituted alkyl group or hydrogen, R2 may be a substituted or unsubstituted alkyl group having two or more carbon atoms, Xa, Xb, and Xc may each independently be a curable functional group, and n and m may each independently be a natural number in a range of 1 to 5.
    Type: Application
    Filed: February 19, 2021
    Publication date: February 3, 2022
    Inventors: Ji Yun PARK, Young Gu KIM, Bong Sung SEO, Jong Ho SON, Yeon Hee LEE, Baek Kyun JEON, Kyung Seon TAK
  • Patent number: 11153388
    Abstract: Provided is an engine container configured by a workflow engine framework for a cross-domain extension, including a plurality of operators configured to interwork with a plurality of representational state transfer (REST) application programming interfaces (APIs), respectively, a runner configured to sequentially call the plurality of operators according to a request from a client, and a controller configured to control an operation of the plurality of operators and the runner, wherein each operator operates in a pipeline manner to call a corresponding REST API using uniform resource locator (URL) information transferred from the runner and to transfer a processing result obtained by processing data provided through the corresponding called REST API to a next operator.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: October 19, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yeon Hee Lee, Hyun Joong Kang, Young Min Kim, Tae Hwan Kim, Hyun Jae Kim, Hoo Young Ahn, Tae Wan You, Ho Sung Lee, Wan Seon Lim, Cheol Sig Pyo
  • Patent number: 11144833
    Abstract: Provided are a data processing apparatus and method for merging and processing deterministic knowledge and non-deterministic knowledge. The data processing apparatus and method may efficiently process various real-time and large-scale data to convert the data into knowledge by merging and processing non-deterministic knowledge and also deterministic knowledge perceived by an expert. Thus, it is possible to adaptively operate in accordance with a dynamically changing application service environment by converting a conversion rule for converting collected data generated from an application service system into semantic data, a context awareness rule for perceiving context information from given information, and a user query for searching for knowledge information into knowledge and gradually augmenting the knowledge information in accordance with an application service environment.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: October 12, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soon Hyun Kwon, Eun Joo Kim, Hong Kyu Park, Hyun Joong Kang, Kwi Hoon Kim, Young Min Kim, Hyun Jae Kim, Ji Hoon Bae, Se Won Oh, Jae Hak Yu, Yeon Hee Lee, Ho Sung Lee, Nae Soo Kim, Sun Jin Kim, Cheol Sig Pyo
  • Publication number: 20210314276
    Abstract: Provided are a system and method for controlling a workflow across domains on the basis of a hierarchical engine framework. Inventive workflow control makes it possible to configure a flexible hierarchical engine framework and provide a workflow service with low latency. Also, the system and method make it possible to control a workflow by building an engine and a data pipeline across domains.
    Type: Application
    Filed: June 16, 2021
    Publication date: October 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae Wan YOU, Yeon Hee LEE, Cheol Sig PYO, Yong Geun HONG, Min Suk KIM, Woong Shik YOU, Seong Ik CHO, Hyun Joong KANG, Kwi Hoon KIM, Hyun Jae KIM, Ho Sung LEE, Jung Ha HONG