Patents by Inventor Si In KIM

Si In KIM 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: 20230276706
    Abstract: Disclosed herein are pyrene heterocyclic compounds useful for an organic light-emitting diode and an organic light-emitting diode including same. More specifically, compound represented by [Chemical Formula A] or [Chemical Formula B] and an organic light-emitting diode are provided. [Chemical Formula A] and [Chemical Formula B] are as defined in the Description.
    Type: Application
    Filed: July 20, 2021
    Publication date: August 31, 2023
    Inventors: Soon-wook CHA, Sung-woo KIM, Ji-won LEE, Se-jin LEE, Si-in KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20230252282
    Abstract: A method for deep metric learning per hierarchical step of multi-labels and few-shot inference using the same is provided, which includes sampling a plurality of N multiplets from a learning data set that is expressed by hierarchical multi-labels; configuring the N multiplets into triplets or quadruplets so as to correspond to the number of classes in each hierarchy; performing a metric learning per hierarchical step for a deep neural network model based on the configured triplets and quadruplets; and distributing, to an embedded device, the deep neural network model from which a loss function is removed as the metric learning is completed.
    Type: Application
    Filed: August 3, 2022
    Publication date: August 10, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Woo CHO, Jeong Si KIM
  • Publication number: 20220300803
    Abstract: Disclosed herein are a method for performing a dilated convolution operation using an atypical kernel pattern and a dilated convolutional neural network system using the same. The method for performing a dilated convolution operation includes learning a weight matrix for a kernel of dilated convolution through deep learning, generating an atypical kernel pattern based on the learned weight matrix, and performing a dilated convolution operation on input data by applying the atypical kernel pattern to a kernel of a dilated convolutional neural network.
    Type: Application
    Filed: June 8, 2021
    Publication date: September 22, 2022
    Inventors: Hyun-Woo CHO, Jeong-Si KIM, Hong-Soog KIM, Jin-Wuk SEOK, Seung-Tae HONG
  • Publication number: 20220255021
    Abstract: Disclosed herein is an organic light emitting diode including a novel anthracene compound. More particularly, an organic light emitting diode including an anthracene compound represented by Chemical Formula A; and a compound represented by Chemical Formula B-1 or B-2 is provided. Chemical Formulas A, B-1, and B-2 are as defined in the description.
    Type: Application
    Filed: January 14, 2022
    Publication date: August 11, 2022
    Inventors: Se-Jin Lee, Si-In KIM, Seok-Bae Park, Hee-Dae Kim, Yeong-Tae Choi, Seung-Soo Lee, Ji-Yung Kim, Kyeong-Hyeon Kim, Kyungtae Kim, Myeong-Jun Kim, Tae Gyun Lee, Joon-Ho Kim
  • Publication number: 20220181559
    Abstract: Disclosed are an anthracene derivative with a specific structure and an organic electroluminescent device including the anthracene derivative. The organic electroluminescent device includes a light emitting layer employing the anthracene derivative as a host compound and a polycyclic aromatic derivative with a specific structure as a dopant compound. The use of the host and dopant compounds allows the organic electroluminescent device to have a long lifetime and significantly improved low-voltage characteristics.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 9, 2022
    Applicant: SFC CO., LTD
    Inventors: Se-jin LEE, Si-In KIM, Seok-bae PARK, Hee-dae KIM, Yeong-tae CHOI, Seung-soo LEE, Ji-yung KIM, Kyeong-hyeon KIM, Kyung-tae KIM, Myeong-jun KIM, Tae-gyun LEE, Joon-ho KIM
  • Publication number: 20220130392
    Abstract: An electronic device is disclosed. An electronic device comprises: a communication interface including circuitry; and a processor for, when a user voice is received, providing a virtual secretary function of providing, by voice, response information corresponding to the received user voice, wherein the processor: identifies whether the response information corresponding to the user voice is privacy information; if the response information is identified to be privacy information, identifies whether a surrounding environment of the electronic device is a public environment; and if the surrounding environment is identified to be a public environment, controls the communication interface to transmit the response information to an external device.
    Type: Application
    Filed: January 31, 2020
    Publication date: April 28, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Hyeonmok KO, Suwon-si KIM
  • Publication number: 20220052273
    Abstract: An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound that has excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The present invention focuses on the properties of the benzazole ring, which has affinity for electrons, and specifically focuses on the capability of its nitrogen atom to coordinate to a metal and also on excellent heat resistance. The inventors have thus designed and chemically synthesized various compounds having a benzazole ring structure, and then experimentally produced organic EL elements including the compounds, followed by thoroughly evaluating the characteristics thereof.
    Type: Application
    Filed: February 12, 2020
    Publication date: February 17, 2022
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Kouki KASE, Si-In KIM, Ji-Yung KIM, Yuta HIRAYAMA, Kazuyuki SURUGA, Shuichi HAYASHI
  • Publication number: 20220052268
    Abstract: An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound having excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The present invention provides a compound having a pyrimidine ring structure that is designed and chemically synthesized with the focus on the properties of the pyrimidine ring, which has affinity for electrons, specifically with the focus on the capability of the nitrogen atoms to coordinate to a metal and excellent heat resistance. Various organic EL elements including the compound were experimentally produced, followed by evaluation of the characteristics of those elements. From the results, it was found that the organic EL elements have favorable characteristics.
    Type: Application
    Filed: October 15, 2019
    Publication date: February 17, 2022
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Kouki KASE, Si-In KIM, Yuta HIRAYAMA
  • Publication number: 20210395269
    Abstract: An object of the present invention is to provide, as a material for a highly efficient and highly durable organic EL element, an organic compound having excellent properties, including excellent electron-injecting/transporting capability, hole-blocking capability, and high stability in the form of a thin film. Another object of the present invention is to provide a highly efficient and highly durable organic EL element by using this compound. The compound having an azabenzoxazole ring structure of the present invention has excellent heat resistance, and good electron-transporting capability. An organic EL element having an electron-transporting layer, a hole-blocking layer, a light-emitting layer, or an electron-injecting layer including the compound had favorable element characteristics.
    Type: Application
    Filed: November 26, 2019
    Publication date: December 23, 2021
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Kouki KASE, Si-In KIM, Ji-Yung KIM, Yuta HIRAYAMA
  • Publication number: 20210365838
    Abstract: Disclosed herein are an apparatus and method for machine learning based on monotonically increasing quantization resolution. The method, in which a quantization coefficient is defined as a monotonically increasing function of time, includes initially setting the monotonically increasing function of time, performing machine learning based on a quantized learning equation using the quantization coefficient defined by the monotonically increasing function of time, determining whether the quantization coefficient satisfies a predetermined condition after increasing the time, newly setting the monotonically increasing function of time when the quantization coefficient satisfies the predetermined condition, and updating the quantization coefficient using the newly set monotonically increasing function of time.
    Type: Application
    Filed: May 20, 2021
    Publication date: November 25, 2021
    Inventors: Jin-Wuk SEOK, Jeong-Si KIM
  • Patent number: 11171896
    Abstract: An apparatus for integrating and executing a plurality of messengers may include a communication unit configured to communicate with messenger servers and other electronic devices, a display unit configured to integrate and display a plurality of messengers on one screen, a storage unit configured to store an integrated messenger application which is a program for integrating and displaying the plurality of messengers and a plurality of messenger applications, and a controller configured to register at least two or more messenger applications selected by a user in the integrated messenger application and provide a messenger list to the plurality of registered messenger applications.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: November 9, 2021
    Inventors: Si On Kim, Insuk Kim
  • Patent number: 11151474
    Abstract: Disclosed herein are an apparatus and method for adaptively accelerating a BLAS operation based on a GPU. The apparatus for adaptively accelerating a BLAS operation based on a GPU includes a BLAS operation acceleration unit for setting optimal OpenCL parameters using machine-learning data attribute information and OpenCL device information and for creating a kernel in a binary format by compiling kernel source code; an OpenCL execution unit for creating an OpenCL buffer for a BLAS operation using information about an OpenCL execution environment and the optimal OpenCL parameters and for accelerating machine learning in an embedded system in such a way that a GPU that is capable of accessing the created OpenCL buffer performs the BLAS operation using the kernel, and an accelerator application unit for returning the result of the BLAS operation to a machine-learning algorithm.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: October 19, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seung-Tae Hong, Young-Joo Kim, Jeong-Si Kim, Jin-Ho Seol
  • Publication number: 20210218694
    Abstract: An apparatus for integrating and executing a plurality of messengers may include a communication unit configured to communicate with messenger servers and other electronic devices, a display unit configured to integrate and display a plurality of messengers on one screen, a storage unit configured to store an integrated messenger application which is a program for integrating and displaying the plurality of messengers and a plurality of messenger applications, and a controller configured to register at least two or more messenger applications selected by a user in the integrated messenger application and provide a messenger list to the plurality of registered messenger applications.
    Type: Application
    Filed: September 21, 2017
    Publication date: July 15, 2021
    Inventors: Si On KIM, Insuk KIM
  • Patent number: 10950802
    Abstract: The present invention relates to an organic light-emitting diode which can operate at a low voltage and has a long lifespan compound and, more particular, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron transport layer sequentially arranged between the first and the second electrode, wherein the light-emitting layer contains at least one of the amine compounds represented by following Chemical Formula A or Chemical Formula B, and the electron transport layer contains at least one of the compounds represented by the following Chemical Formula E. The structures of Chemical Formulas A, B, and E are as shown in the specification.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: March 16, 2021
    Assignee: SFC CO., LTD.
    Inventors: Young-Hwan Park, Seo-Yeon Yoon, Soon-Wook Cha, Sung-Keun Choi, Si-In Kim
  • Publication number: 20210009584
    Abstract: A compound including a benzimidazole ring structure, represented by general formula (1). (In formula (1), X1 and X2 may be the same or different and each represent a specific carbon atom or a nitrogen atom, Ar represents a specific group, R1 and R2 may be the same or different and each represent a specific group, and m is an integer of 0-4.
    Type: Application
    Filed: March 20, 2019
    Publication date: January 14, 2021
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Kouki KASE, Su-Jin LEE, Si-In KIM, Kazuyuki SURUGA, Yuta HIRAYAMA
  • Publication number: 20200303658
    Abstract: According to the present invention, there are provided a pyrimidine derivative represented by a general formula (1) indicated below, and an organic electroluminescent device comprising a pair of electrodes, and at least one organic layer sandwiched therebetween, wherein the pyrimidine derivative is used as a constituent material for the at least one organic layer. The pyrimidine derivative of the present invention is a material for a high efficiency, high durability organic electroluminescent device, is excellent in electron injection/transport performance, has hole blocking capability, and excels in characteristics.
    Type: Application
    Filed: April 6, 2020
    Publication date: September 24, 2020
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Shuichi Hayashi, Hideyoshi Kitahara, Naoaki Kabasawa, Sung Keum Choi, Si In Kim, Yoo Na Shin, Ji Yung Kim
  • Publication number: 20200277272
    Abstract: [Object] It is an object of the present invention to provide, as a material for organic EL device having high efficiency and high durability, an organic compound having excellent characteristics such as excellent electron injection/transport performance, hole blocking performance, and high stability in a film state, and an organic EL device having high efficiency and high durability, which is obtained by using this compound. [Solving Means] A compound having a pyrimidine ring structure, the compound being represented by the following general formula (1). (In the formula, A1 represents a substituted or unsubstituted aromatic heterocyclic group. Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, or a substituted or unsubstituted fused polycyclic aromatic group.
    Type: Application
    Filed: September 7, 2018
    Publication date: September 3, 2020
    Applicant: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Kouki KASE, Si-In KIM, Yuta HIRAYAMA, Kazuyuki SURUGA
  • Patent number: 10741768
    Abstract: The present disclosure relates to an organic light-emitting diode exhibiting high luminance efficiency, low-voltage operation, and long lifespan and, more particularly, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron density control layer sequentially arranged between the first electrode and the second electrode wherein the light-emitting layer includes at least one of the amine compounds represented by Chemical Formula A or B and the electron density control layer includes at least one of the compounds represented by Chemical Formulas F to H. The structures of Chemical Formulas A, B, and F to H are as described in the specification.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: August 11, 2020
    Assignee: SFC CO., LTD.
    Inventors: Chang-Hee Lee, Hyun-Jong Seo, Seo-Yeon Yoon, So Young Shim, Si-In Kim
  • Patent number: 10566543
    Abstract: According to the present invention, there are provided pyrimidine derivatives represented by the following general formula (1). The pyrimidine derivatives of the invention are novel compounds and feature (1) good electron injection property, (2) high electron mobility, (3) excellent hole blocking property, (4) good stability in their form of thin films, and (5) excellent heat resistance.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: February 18, 2020
    Assignee: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Norimasa Yokoyama, Shuichi Hayashi, Hideyoshi Kitahara, Sung Keum Choi, Si In Kim, Ji Yung Kim, Hyunju Oh
  • Patent number: D881278
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: April 14, 2020
    Inventor: Si On Kim