Patents by Inventor In-Ju Choi

In-Ju Choi 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: 20240120343
    Abstract: A thin film transistor array substrate including a substrate including an active area and a non-active area, and a first thin film transistor disposed on the substrate while including a first oxide semiconductor pattern, a first gate electrode overlapping with the first oxide semiconductor pattern, a first gate insulating layer interposed between the first oxide semiconductor pattern and the first gate electrode, a first source electrode and a first drain electrode disposed on and connected to the first oxide semiconductor pattern, and a first light shielding pattern disposed under the first oxide semiconductor pattern and electrically connected to one of the first source electrode and the first drain electrodes. The first gate electrode includes a first portion maintaining a first parasitic capacitance and a second portion maintaining a second parasitic capacitance smaller than the first parasitic capacitance, together with the first oxide semiconductor pattern.
    Type: Application
    Filed: August 8, 2023
    Publication date: April 11, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hong Rak CHOI, Do Hyung LEE, Young Hyun KO, Chan Yong JEONG, Sung Ju CHOI
  • Publication number: 20240109397
    Abstract: A method for controlling an electric heater of a vehicular heating, ventilation, and air conditioning (HVAC) system includes turning on the electric heater; determining whether an ambient air temperature of a vehicle is higher than or equal to a threshold ambient air temperature, and a battery temperature is lower than or equal to a threshold battery temperature; determining whether battery efficiency is lower than or equal to threshold efficiency when the ambient air temperature of the vehicle is higher than or equal to the threshold ambient air temperature, and the battery temperature is lower than or equal to the threshold battery temperature; and turning off the electric heater when the battery efficiency is lower than or equal to the threshold efficiency, wherein the electric heater is configured to receive electric energy from the battery.
    Type: Application
    Filed: March 30, 2023
    Publication date: April 4, 2024
    Inventors: Dae Hyun Song, Chang Gi Ryu, Woo Jin Lee, Dong Ju Ko, Hyun Hun Choi, Chun Kyu Kwon, In Uk Ko
  • Publication number: 20240106018
    Abstract: The present invention relates to a battery cell including an electrolyte ion concentration measurement unit and a method for measuring an electrolyte concentration using same. The battery cell according to the present invention comprises a measurement unit in which a first electrode plate, an insulation film, and a second electrode plate are sequentially stacked on one another, wherein the measurement unit is inserted between a separator of the battery cell and an electrode thereof, and thus can directly measure an electrolyte concentration between the separator and the electrode. Therefore, the battery cell can be simply manufactured and has excellent stability.
    Type: Application
    Filed: December 5, 2023
    Publication date: March 28, 2024
    Applicant: LG CHEM, LTD.
    Inventor: Soon Ju CHOI
  • Patent number: 11939494
    Abstract: A technical problem to be achieved by the present disclosure is to provide an adhesive resin composition for a conductor, which contains inorganic fillers having different average particle diameters and has enhanced thermal conductivity as a result of controlling the content of the inorganic fillers, and an adhesive film for a semiconductor produced using the same.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: March 26, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jong Min Jang, Byoung Ju Choi, Kwang Joo Lee, Yu Lin Sun
  • Patent number: 11939453
    Abstract: A plasticizer composition including a citrate-based material and an epoxidized oil, and the plasticizer composition capable of maintaining an excellent plasticization efficiency and providing an improved mechanical properties and stress resistance when compared with conventional phthalate-based plasticizer products.
    Type: Grant
    Filed: June 11, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Seok Ho Jeong, Jeong Ju Moon, Woo Hyuk Choi
  • Publication number: 20240096888
    Abstract: A super-steep switching device and an inverter device using the same are disclosed. The super-steep switching device includes a semiconductor channel disposed on a substrate and made of a semiconductor material having impact ionization characteristic; a source electrode and a drain electrode in contact with the semiconductor channel, wherein the source electrode and the drain electrode are disposed on the substrate and are spaced apart from each other; and a gate electrode disposed on the semiconductor channel so as to overlap only a portion of the semiconductor channel, wherein a top surface of the semiconductor channel includes a first area overlapping the gate electrode, and a second area non-overlapping the gate electrode, wherein a ratio of a length of the first area and a length of the second area is in a range of 1:0.1 to 0.4.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 21, 2024
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Hae Ju CHOI, Tae Ho KANG, Chan Woo KANG, Hyeon Je SON, Jin Hong PARK, Sung Joo LEE, Sung Pyo BAEK
  • Patent number: 11935980
    Abstract: A filtering panel includes a molding layer part; a pattern layer part having an incident surface through which light emitted from a light source and viewing light transmitted to an observer enter, and an accommodation surface which is the reverse surface of the incident surface, wherein the molding layer part is stacked on the incident surface so as to be adjacent thereto, and the pattern layer part adjusts the optical paths of the emitted light and the viewing light; and a filtering layer part formed on a lower incident surface of the pattern layer part having the incident surface of the viewing light that enters from a lower region below a horizontal reference line, wherein the reflectivity of the visible light in the viewing light incident on the lower region is made greater than that of an upper region above the reference line by means of mirror reflection.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: March 19, 2024
    Assignees: POSCO CO., LTD, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Sung-Ju Tark, Kun-Hoon Baek, Jun-Hong Kim, Youn-Joung Choi, Ji-Sang Park
  • Patent number: 11931489
    Abstract: A sterilization apparatus includes a main body, and a plurality of sterilization modules. The main body defines a sterilization space for sterilization of a sterilization target. The sterilization modules are disposed on a plurality of inner surfaces of the main body surrounding the sterilization space, respectively, and deliver germicidal light to the sterilization space. In addition, the sterilization module includes a support member and a plurality of light sources. A space between adjacent light sources disposed in some regions of the support member is different from a space between adjacent light sources disposed in the other regions of the support member.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: March 19, 2024
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Eun Ju Kim, Chung Hoon Lee, Jae Young Choi
  • Publication number: 20240087358
    Abstract: A processor-implemented method includes generating a preprocessed infrared (IR) image by performing first preprocessing based on an IR image including an object; generating a preprocessed depth image by performing second preprocessing based on a depth image including the object; and determining whether the object is a genuine object based on the preprocessed IR image and the preprocessed depth image
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Youngjun KWAK, Minsu KO, Youngsung KIM, Heewon KIM, Ju Hwan SONG, Byung In YOO, Seon Min RHEE, Yong-il LEE, Jiho CHOI, Seungju HAN
  • Publication number: 20240084083
    Abstract: Provided are an oxygen barrier film, a food wrapper including the same, and a method of preparing the oxygen barrier film. The oxygen barrier film may include: a base layer; and an organic/inorganic hybrid layer located on the base layer and including a natural hydrogel and a silane coupling agent.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Inventors: So Hyeon CHO, Na Young PAK, Young Ju CHOI, Chan Suk YOON
  • Publication number: 20240086603
    Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
  • Publication number: 20240090326
    Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound can be a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).
    Type: Application
    Filed: September 26, 2023
    Publication date: March 14, 2024
    Applicants: LG DISPLAY CO., LTD, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Kyung-Jin YOON, Dae-Wi YOON, Ji-Ae LEE, Su-Na CHOI, Dong-Hoon CHOI, Min-Ju CHO, JiWon YOON
  • Publication number: 20240090321
    Abstract: The present disclosure relates to an organic electroluminescent compound and an organic electroluminescent device comprising the same. By comprising the compound according to the present disclosure, an organic electroluminescent device having improved driving voltage, power efficiency and/or lifetime characteristics compared to conventional organic electroluminescent devices can be provided.
    Type: Application
    Filed: July 17, 2023
    Publication date: March 14, 2024
    Inventors: So-Young JUNG, Hyun-Ju KANG, Sang-Hee CHO, Tae-Jun HAN, Hyo-Nim SHIN, Eun-Joung CHOI
  • Publication number: 20240090278
    Abstract: The disclosure relates to a display device including an oxide semiconductor pattern. The disclosure provides a driving thin film transistor and a switching thin film transistor using an oxide semiconductor pattern as an active layer. Each of the driving thin film transistor and the switching thin film transistor includes a light shielding pattern. The light shielding pattern includes a semiconductor material layer doped with P-type impurity ions. By virtue of the light shielding pattern including the semiconductor material layer, each of the driving thin film transistor and the switching thin film transistor exhibits an increase in threshold voltage and, as such, freedom of circuit design is secured.
    Type: Application
    Filed: August 28, 2023
    Publication date: March 14, 2024
    Inventors: Sung Ju Choi, Jae Yoon Park, Jung Seok Seo, Seo Yeon Im, Jin Won Jung
  • Publication number: 20240088432
    Abstract: An embodiment sulfur dioxide-based inorganic electrolyte is provided in which the sulfur dioxide-based inorganic electrolyte is represented by a chemical formula M·(A1·Cl(4-x)Fx)z·ySO2. In this formula, M is a first element selected from the group consisting of Li, Na, K, Ca, and Mg, A1 is a second element selected from the group consisting of Al, Fe, Ga, and Cu, x satisfies a first equation 0?x?4, y satisfies a second equation 0?y?6, and z satisfies a third equation 1?z?2.
    Type: Application
    Filed: April 12, 2023
    Publication date: March 14, 2024
    Inventors: Kyu Ju Kwak, Won Keun Kim, Eun Ji Kwon, Samuel Seo, Yeon Jong Oh, Kyoung Han Ryu, Dong Hyun Lee, Han Su Kim, Ji Whan Lee, Seong Hoon Choi, Seung Do Mun
  • Publication number: 20240082819
    Abstract: The present disclosure relates to a preparing method of a super absorbent polymer sheet and a super absorbent polymer sheet prepared therefrom. The preparing method of a super absorbent polymer sheet of the present disclosure may prepare a porous flexible super absorbent polymer sheet exhibiting high flexibility and fast absorption rate.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Kiyoul YOON, Hyeon CHOI, Hyosook JOO, Gicheul KIM, Ju Eun KIM
  • Patent number: 11929497
    Abstract: A negative electrode active material as well as a method of preparing a negative electrode active material which includes preparing a silicon-based compound including SiOx, wherein 0.5<x<1.3; disposing a polymer layer including a polymer compound on the silicon-based compound; disposing a metal catalyst layer on the polymer layer; heat treating the silicon-based compound on which the polymer layer and the metal catalyst layer are disposed; and removing the metal catalyst layer, wherein the polymer compound includes any one selected from the group consisting of glucose, fructose, galactose, maltose, lactose, sucrose, a phenolic resin, a naphthalene resin, a polyvinyl alcohol resin, a urethane resin, polyimide, a furan resin, a cellulose resin, an epoxy resin, a polystyrene resin, a resorcinol-based resin, a phloroglucinol-based resin, a coal-derived pitch, a petroleum-derived pitch, a tar and a mixture of two or more thereof.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: March 12, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dong Hyuk Kim, Eun Kyung Kim, Yong Ju Lee, Rae Hwan Jo, Jung Hyun Choi
  • Patent number: 11922841
    Abstract: The present disclosure relates to a display device, and the display device according to an embodiment includes: a substrate including a display area and a peripheral area; a plurality of light-emitting elements positioned in a display area; a plurality of pixel circuits connected to a plurality of light-emitting elements, respectively; a sensor positioned on the peripheral area of the substrate; a leakage current detecting circuit connected to the sensor; and a light emitting wiring connected to the leakage current detecting circuit and connected to at least one of the plurality of light-emitting elements, wherein the sensor includes a first sensor and the first sensor includes a first sensing transistor, and a first conductive pattern spaced apart from the channel of the first sensing transistor, and the first conductive pattern is positioned in the same layer as at least one of a plurality of layers configuring the transistor.
    Type: Grant
    Filed: September 22, 2022
    Date of Patent: March 5, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon Ho Kim, Jong Woo Park, June Hwan Kim, Ki Ju Im, Young Tae Choi, Hyuncheol Hwang
  • Patent number: 11925059
    Abstract: An organic light emitting diode display device includes a substrate having an emitting area and a non-emitting area. An insulating layer is on the substrate, and the insulating layer includes a plurality of convex portions, a plurality of connecting portions and at least one wall in the emitting area. A height of the at least one wall is greater than a height of the plurality of convex portions. A first electrode is on the substream, emitting layer is on the first electrode, a second electrode is on the emitting layer. The first electrode, the emitting layer and the second electrode constitute a light emitting diode.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: March 5, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hyun-Soo Lim, Kang-Ju Lee, Soo-Kang Kim, Won-Hoe Koo, Min-Geun Choi
  • Publication number: 20240072297
    Abstract: Provided is a lithium battery including a first electrode structure, a second electrode structure spaced apart from the first electrode structure, and an electrolyte between the first electrode structure and the second electrode structure, wherein the electrolyte includes a lithium salt, an organic solvent, and an additive, the additive includes a metal salt compound catalyst, the metal salt compound catalyst activates a polymerization reaction of a cyclic carbonate in the organic solvent at a first temperature, and the first temperature ranges between about 100° C. and about 200° C.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 29, 2024
    Inventors: Jaecheol CHOI, Young-Gi LEE, Ju Young KIM