Patents by Inventor Il Min LEE

Il Min 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: 20200407313
    Abstract: The present disclosure relates to a method for preparing L-cysteine hydrochloride hydrate crystals, and L-cysteine hydrochloride hydrate crystals prepared by the method. Through the method for preparing L-cysteine hydrochloride hydrate crystals of the present disclosure, L-cysteine hydrochloride hydrate crystals can be obtained from a natural L-cysteine fermentation broth with a high recovery rate and/or purity without a chemical reaction or the use of an artificial synthetic compound.
    Type: Application
    Filed: January 30, 2019
    Publication date: December 31, 2020
    Applicant: CJ CheilJedang Corporation
    Inventors: Jun-Woo Kim, Jung Min Lee, Se-Hee Jo, Il Chul Kim, In Sung Lee, Jun Young Jung
  • Publication number: 20200343544
    Abstract: The present invention relates to a negative electrode active material including a spherical carbon-based particle, and a carbon layer disposed on the spherical carbon-based particle and including a nano-particle, wherein the nano-particle has a silicon core, an oxide layer disposed on the silicon core and including SiOx (0<x?2), and a coating layer covering at least a portion of the surface of the oxide layer and including LiF.
    Type: Application
    Filed: November 9, 2018
    Publication date: October 29, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hyun CHOI, Yong Ju LEE, Eun Kyung KIM, Rae Hwan JO, Su Min LEE, Dong Hyuk KIM, Se Mi PARK, Il Geun OH
  • Publication number: 20200335639
    Abstract: A Schottky barrier diode includes a substrate, a first semiconductor layer formed on the substrate, a second semiconductor layer formed on the first semiconductor layer, and a metal layer formed on the second semiconductor layer to form a Schottky barrier, wherein the first semiconductor layer and the second semiconductor layer are formed of different materials, and a conduction band offset between the first semiconductor layer and the second semiconductor layer is less than a set value.
    Type: Application
    Filed: April 14, 2020
    Publication date: October 22, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong Woo PARK, Kyung Hyun PARK, Jeong Woo PARK, Jun Hwan SHIN, Eui Su LEE, Hyun Soo KIM, Kiwon MOON, IL MIN LEE
  • Publication number: 20200313264
    Abstract: Provided is a waveguide including an input end configured to receive an input wave from an outside; a filtering portion configured to change a frequency range of the input wave; an output end configured to output an output wave of which a frequency range is changed from the frequency range of the input wave; and an inner wall controller configured to control a size of an inner wall of the filtering portion such that the frequency range of the input wave changes to the frequency range of the output wave.
    Type: Application
    Filed: September 30, 2019
    Publication date: October 1, 2020
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: DAHYE CHOI, Kyung Hyun PARK, Il Min LEE
  • Publication number: 20200313173
    Abstract: A negative electrode active material which includes a core including SiOx (0<x<2), a shell disposed on the core and includes lithium silicate, and a coating layer disposed on the shell and includes carbon nanotubes. Also, a method of preparing a negative electrode active material as well as a negative electrode and a battery including the same.
    Type: Application
    Filed: October 19, 2018
    Publication date: October 1, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Il Geun OH, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Jung Hyun CHOI, Dong Hyuk KIM, Se Mi PARK
  • Patent number: 10770065
    Abstract: A speech recognition method and a speech recognition apparatus which pre-download a speech recognition model predicted to be used and use the speech recognition model in speech recognition is provided. The speech recognition method, performed by the speech recognition apparatus, includes determining a speech recognition model, based on user information downloading the speech recognition model, performing speech recognition, based on the speech recognition model, and outputting a result of performing the speech recognition.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 8, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-yoon Kim, Sung-soo Kim, Il-hwan Kim, Kyung-min Lee, Nam-hoon Kim, Jong-youb Ryu, Jae-won Lee
  • Publication number: 20200280059
    Abstract: The present invention relates to a negative electrode active material which includes a carbonaceous matrix including a first particle and a second particle, wherein the first particle includes a silicon core, an oxide layer which is disposed on the silicon core and includes SiOx (0<x?2), and a coating layer which covers at least a portion of a surface of the oxide layer and includes LiF, and the second particle is flaky graphite.
    Type: Application
    Filed: August 30, 2018
    Publication date: September 3, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hyun CHOI, So Ra LEE, Eun Kyung KIM, Yong Ju LEE, Sun Young SHIN, Hyeon Min SONG, Jee Eun KIM, Seo Young KWON, Il Geun OH, Jae Young LEE
  • Publication number: 20200274147
    Abstract: A negative electrode active material for a lithium secondary battery including complex particles including silicon oxide particles doped with a metal of lithium, magnesium, calcium or aluminum, a linear conductive material disposed between the doped silicon oxide particles, and a carbon-based binder that hinds the doped silicon oxide particles and the conductive material together. The carbon-based binder is a result of sintering. a carbon-based precursor. A method of preparing the negative electrode active material, a negative electrode and a lithium secondary battery are also provided. The negative electrode active material according to the present disclosure is superior at least in initial efficiency and life characteristics.
    Type: Application
    Filed: May 3, 2019
    Publication date: August 27, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Su-Min LEE, Je-Young KIM, Il-Geun OH, Yong-Ju LEE
  • Publication number: 20200266424
    Abstract: The present invention relates to a negative electrode active material including a carbonaceous matrix having a plurality of nano-particles, wherein the nano-particles have a silicon core, an oxide layer disposed on the silicon core and including SiOx (0<x?2), and a coating layer covering at least a portion of the surface of the oxide layer and including LiF.
    Type: Application
    Filed: November 9, 2018
    Publication date: August 20, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Jung Hyun CHOI, Seung Youn CHOI, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Dong Hyuk KIM, Se Mi PARK, Il Geun OH
  • Patent number: 10732045
    Abstract: An image acquisition apparatus including a beam source, a beam expander, a beam splitter, an interferometer reference arm, a sample, a beam diffuser, a telecentric f-? lens, a beam scanner, and a beam detector uses a terahertz wave to acquire a surface image and a depth image of the sample.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: August 4, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang-Pil Han, Jun Hwan Shin, Il Min Lee, Kyung Hyun Park
  • Publication number: 20200243836
    Abstract: The present invention relates to a method of preparing a negative electrode active material which includes forming a mixture by mixing Li2O and SiOx(0<x<2) particles including SiO2, forming a reaction product by performing a heat treatment on the mixture at 400° C. to 600° C., and removing a portion of lithium silicate in the reaction product by washing the reaction product.
    Type: Application
    Filed: October 19, 2018
    Publication date: July 30, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Il Geun OH, Eun Kyung KIM, Yong Ju LEE, Rae Hwan JO, Su Min LEE, Jung Hyun CHOI, Dong Hyuk KIM, Se Mi PARK
  • Publication number: 20200219483
    Abstract: A method of updating speech recognition data including a language model used for speech recognition, the method including obtaining language data including at least one word; detecting a word that does not exist in the language model from among the at least one word; obtaining at least one phoneme sequence regarding the detected word; obtaining components constituting the at least one phoneme sequence by dividing the at least one phoneme sequence into predetermined unit components; determining information regarding probabilities that the respective components constituting each of the at least one phoneme sequence appear during speech recognition; and updating the language model based on the determined probability information.
    Type: Application
    Filed: March 16, 2020
    Publication date: July 9, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chi-youn PARK, Il-hwan Kim, Kyung-min Lee, Nam-hoon Kim, Jae-won Lee
  • Publication number: 20200219808
    Abstract: A semiconductor device includes a substrate, a first lower wiring line on the substrate, a first insulation layer on the first lower wiring line, a first dielectric barrier layer and a first etch stop layer sequentially stacked on the first insulation layer, a second insulation layer on the first etch stop layer, a first upper wiring line extending through the second insulation layer, the first etch stop layer, and the first dielectric barrier layer, and a first conductive via in the first insulation layer and electrically connecting the first lower wiring line and the first upper wiring line. An upper surface of the first conductive via protrudes above a lower surface of the first upper wiring line.
    Type: Application
    Filed: June 14, 2019
    Publication date: July 9, 2020
    Inventors: Soon Gyu HWANG, Kyoung Woo LEE, YoungWoo CHO, IL SUP KIM, Su Hyun BARK, Young-Ju PARK, Jong Min BAEK, Min HUH
  • Patent number: 10706838
    Abstract: A method of updating speech recognition data including a language model used for speech recognition, the method including obtaining language data including at least one word; detecting a word that does not exist in the language model from among the at least one word; obtaining at least one phoneme sequence regarding the detected word; obtaining components constituting the at least one phoneme sequence by dividing the at least one phoneme sequence into predetermined unit components; determining information regarding probabilities that the respective components constituting each of the at least one phoneme sequence appear during speech recognition; and updating the language model based on the determined probability information.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: July 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chi-youn Park, Il-hwan Kim, Kyung-min Lee, Nam-hoon Kim, Jae-won Lee
  • Publication number: 20200176753
    Abstract: A negative electrode for a lithium secondary battery (and a lithium secondary battery including the same) including: a negative electrode current collector; a first negative electrode mixture layer present on at least one surface of the negative electrode current collector and including a first carbonaceous negative electrode active material, a first polymer binder and a first conductive material; a second negative electrode mixture layer present on a top surface of the first negative electrode mixture layer and including a silicon-based negative electrode active material, a second polymer binder and a second conductive material; and a third negative electrode mixture layer present on a top surface of the second negative electrode mixture layer and including a second carbonaceous negative electrode active material, a third polymer binder and a third conductive material.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 4, 2020
    Applicant: LG CHEM, LTD.
    Inventors: Su-Min LEE, Yong-Ju LEE, Eun-Kyung KIM, Sun-Young SHIN, Il-Geun OH, Rae-Hwan JO
  • Patent number: 10665224
    Abstract: A method of updating speech recognition data including a language model used for speech recognition, the method including obtaining language data including at least one word; detecting a word that does not exist in the language model from among the at least one word; obtaining at least one phoneme sequence regarding the detected word; obtaining components constituting the at least one phoneme sequence by dividing the at least one phoneme sequence into predetermined unit components; determining information regarding probabilities that the respective components constituting each of the at least one phoneme sequence appear during speech recognition; and updating the language model based on the determined probability information.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 26, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chi-youn Park, Il-hwan Kim, Kyung-min Lee, Nam-hoon Kim, Jae-won Lee
  • Patent number: 10656747
    Abstract: An electronic device is provided. The electronic device includes a touch input device, a touch control circuit configured to generate touch information about a touch input detected by the touch input device, at least one processor, and a memory. The memory stores instructions, when executed, causing the at least one processor to obtain touch information about a first touch input at least once from the touch control circuit after a first time when the first touch input begins to a second time when the first touch input is released, obtain at least one of an area of the first touch input or a pressure of the first touch input based on the obtained touch information, and execute a function corresponding to release of the first touch input if the at least one of the area of the first touch input or the pressure of the first touch input meets a specified condition.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: May 19, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Jun Lee, Seung Ho Kang, Ki Won Kim, Jeong Jin Lee, Hye Lin Lee, Il Joo Chae, Jae Min Lee, Min Jung Kim
  • Publication number: 20200150420
    Abstract: Provided are a polygon mirror assembly and a scan device. A polygon mirror assembly includes: a polygon mirror including a plurality of reflection surfaces spaced apart from a rotation axis by a predetermined distance; a first motor for rotating the polygon mirror around the rotation axis; a second motor for moving the polygon mirror in a first axial direction such that the rotation axis is tilted while the first motor rotates the polygon mirror; and a clock signal extraction surface for extracting a clock signal for detecting a change in a rotational speed of the first motor.
    Type: Application
    Filed: October 30, 2019
    Publication date: May 14, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Eui Su LEE, Kyung Hyun PARK, IL MIN LEE, Kiwon MOON, Dong Woo PARK, Hyun Soo KIM, Ho Jin LEE, Jeong Woo PARK, Jun Hwan SHIN, Kyeong Sun CHOI, Dahye CHOI
  • Patent number: 10627130
    Abstract: An indoor unit of an air conditioning system is provided. The indoor unit according to an exemplary embodiment includes a blower fan, a plurality of micro-holes configured to discharge cool air flowed in from the blower fan, a temperature sensor configured to measure a temperature, and a processor configured to control a speed of the blower fan, wherein the processor, in a first mode, controls the speed of the blower fan according to a temperature sensed by the temperature sensor, and in a second mode, corrects the sensed temperature by applying a temperature correction coefficient and controls the speed of the blower fan according to the corrected temperature, and wherein the temperature correction coefficient is a coefficient set for compensating a difference between the sensed temperature and a temperature of a target height.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: April 21, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-min Cho, Yeon-a Hwang, Jae-sung Kwon, Sung-min Yoo, Ki-sup Lee, Il-yong Cho
  • Patent number: 10572059
    Abstract: A display device and a driving method thereof, in which the display device includes a display panel including a plurality of pixels electrically connected to data lines and scan lines, a touch sensor including a plurality of touch electrodes, a touch controller for supplying a first driving signal to the touch sensor during a display period, and a data driver for supplying a data signal to the data lines during the display period, and supplying a second driving signal to the data lines during a pressure sensing period.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: February 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il Ho Lee, Sang Min Choi