Patents by Inventor Hyung Im
Hyung Im 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).
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Publication number: 20240164205Abstract: Provided are a composition for an organic optoelectronic device, and an organic optoelectronic device including the same, and a display device, the composition for an organic optoelectronic device including a first compound, a second compound, and a third compound, wherein the first compound is represented by Chemical Formula I or Chemical Formula II, the second compound is represented by Chemical Formula III, and the third compound is represented by Chemical Formula IV. Details of Chemical Formula I, Chemical Formula II, Chemical Formula III and Chemical Formula IV are as described in the specification.Type: ApplicationFiled: September 2, 2022Publication date: May 16, 2024Inventors: Hanill LEE, Hyung Sun KIM, Mijin LEE, Sung-Hyun JUNG, Ho Kuk JUNG, Seonyeong GWAK, Wook KIM, Jaehoon KIM, Seungjae LEE, Yoonman LEE, Suheon IM
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Publication number: 20240155940Abstract: A compound for an organic optoelectronic device, a composition for an organic optoelectronic device including the same, an organic optoelectronic device, and a display device, the compound being represented by Chemical Formula 1:Type: ApplicationFiled: October 6, 2023Publication date: May 9, 2024Inventors: Seonyeong GWAK, Chang Ju SHIN, Sunghyun JUNG, Hyung Sun KIM, Hanill LEE, Yoonman LEE, Byungku KIM, Wook KIM, Seungjae LEE, Suheon IM, Ho Kuk JUNG, Mijin LEE, Youngkyoung JO
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Publication number: 20240125991Abstract: Disclosed is a transmissive wavelength tunable hyperspectral filter using layered twisted liquid crystal thin film, wherein the transmissive wavelength tunable hyperspectral filter is formed by laminating two or more layered twisted liquid crystal thin films having different broadband reflection bandgaps, wherein each of the layered twisted liquid crystal thin films includes a twisted liquid crystal layer including a plurality of unit liquid crystal molecules, and formed by arranging twisted liquid crystal complexes defining a preset cone angle along the helical axis with respect to the helical axis, and includes a pseudo-layer formed by arranging a plurality of twisted liquid crystal layers in a lengthwise direction of the helical axis at a preset inter-layer pitch (P).Type: ApplicationFiled: October 10, 2023Publication date: April 18, 2024Inventors: Young-Ki Kim, Jun-Hyung Im, Yeongseon Choi, Bogyu Lim, Yejin Kim, Seungju Jeon, Kwang Hun Park
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Publication number: 20230174443Abstract: Disclosed is a methanol and sulfuric acid co-production system capable of producing methanol and sulfuric acid in equal equivalents. Specifically, the system includes an oxidation reaction unit configured to produce methyl bisulfate (CH3OSO3H) by reacting methane gas with an acid solution in the presence of a catalyst, a reactive distillation unit disposed downstream of the oxidation reaction unit and configured to esterify methyl bisulfate (CH3OSO3H) supplied from the oxidation reaction unit with trifluoroacetic acid (CF3COOH) to obtain a product and to separate the product into methyl trifluoroacetate (CF3COOCH3) and sulfuric acid (H2SO4) through thermal distillation, and a hydrolysis reaction unit disposed downstream of the reactive distillation unit and configured to produce methanol by hydrolyzing methyl trifluoroacetate (CF3COOCH3) supplied from the reactive distillation unit, in which the reactive distillation unit recirculates the sulfuric acid resulting from separation to the oxidation reaction unit.Type: ApplicationFiled: September 15, 2022Publication date: June 8, 2023Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ung LEE, Hyun Joo LEE, Hong Gon KIM, Kyeong Su KIM, Jae Hyung IM, He Won LEE
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Patent number: 10938588Abstract: A conference system and a method of switching a connection terminal in the conference system are provided. The conference system according to one embodiment of the present disclosure includes a web conference server configured to receive a request for switching a connection terminal from a first terminal and acquire identification information of a second terminal included in the request for switching a connection terminal; and an audio conference server configured to process a connection of the second terminal to an audio conference and transmit identification information of the second terminal to the web conference server, wherein the web conference server compares the identification information of the second terminal acquired from the first terminal with the identification information of the second terminal received from the audio conference server and updates participant information of the audio conference, which is mapped with participant information of the web conference.Type: GrantFiled: October 30, 2018Date of Patent: March 2, 2021Assignee: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae Yoon, Seong-Joong Chang, Jun-Ho Kang, Do-Hyung Im
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Patent number: 10904301Abstract: A conference system and a method for handling a conference connection in the conference system are provided. The method for handling a conference connection according to one embodiment of the present disclosure includes: providing, at a web conference server, a terminal with an access link to a web conference; acquiring, at the web conference server, identification information of the terminal from the terminal connected to the web conference through the access link; processing, at an audio conference server, a connection of the terminal to an audio conference; receiving, at the web conference server, identification information of the terminal connected to the audio conference from the audio conference server; and mapping, at the web conference server, participant information of the web conference and participant information of the audio conference by comparing the identification information received from the terminal with the identification information received from the audio conference server.Type: GrantFiled: September 18, 2018Date of Patent: January 26, 2021Assignee: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae Yoon, Do-Hyung Im, Jun-Ho Kang, Seong-Joong Chang
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Patent number: 10893235Abstract: A conferencing apparatus and a method for switching an access terminal therein are provided. The conferencing apparatus according to one embodiment of the present disclosure includes: a conference information management module configured to generate mapping information for terminal identification information of a first terminal and access information of a conference participant who is accessing a conference through the first terminal; and an access switch module configured to provide a token corresponding to the mapping information to the first terminal according to an access terminal switch request from the first terminal and, when the token is received from a second terminal, switch a terminal of the conference participant from the first terminal to the second terminal according to validity of the received token.Type: GrantFiled: October 29, 2018Date of Patent: January 12, 2021Assignee: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae Yoon, Seong-Joong Chang, Do-Hyung Im, Jun-Ho Kang
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Patent number: 10848530Abstract: A conference system and a method for interworking between an audio conference and a web conference in the system are provided. The method for interworking between an audio conference and a web conference according to one embodiment of the present disclosure includes recognizing, at an audio conference server, an access of a host terminal to an audio conference and activating the audio conference, transmitting, at the audio conference server, a notification of activation of the audio conference to a web conference server, and activating, at the web conference server, a web conference corresponding to the audio conference according to the notification of activation of the audio conference.Type: GrantFiled: August 31, 2018Date of Patent: November 24, 2020Assignee: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae Yoon, Do-Hyung Im, Jun-Ho Kang, Seong-Joong Chang
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Patent number: 10693697Abstract: The purpose of the present invention is to reduce the Peak-to-Average Ratio (PAR) of a transmission signal. A transmission device includes a generation part for generating a cancellation pulse corresponding to a peak component of a transmission signal, and a cancellation part for attenuating the peak component using the cancellation pulse. In addition, the present invention includes some embodiments other than the aforesaid embodiment.Type: GrantFiled: December 4, 2014Date of Patent: June 23, 2020Assignee: Samsung Electronics Co., LtdInventors: Pavel Martynovich, Jae-Bum Kim, Jung-Hwan Moon, Tae-Young Min, Young-Yoon Woo, Mun-Woo Lee, Jae-Hyung Im
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Publication number: 20190132142Abstract: A conference system and a method of switching a connection terminal in the conference system are provided. The conference system according to one embodiment of the present disclosure includes a web conference server configured to receive a request for switching a connection terminal from a first terminal and acquire identification information of a second terminal included in the request for switching a connection terminal; and an audio conference server configured to process a connection of the second terminal to an audio conference and transmit identification information of the second terminal to the web conference server, wherein the web conference server compares the identification information of the second terminal acquired from the first terminal with the identification information of the second terminal received from the audio conference server and updates participant information of the audio conference, which is mapped with participant information of the web conference.Type: ApplicationFiled: October 30, 2018Publication date: May 2, 2019Applicant: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae YOON, Seong-Joong CHANG, Jun-Ho KANG, Do-Hyung IM
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Publication number: 20190132552Abstract: A conferencing apparatus and a method for switching an access terminal therein are provided. The conferencing apparatus according to one embodiment of the present disclosure includes: a conference information management module configured to generate mapping information for terminal identification information of a first terminal and access information of a conference participant who is accessing a conference through the first terminal; and an access switch module configured to provide a token corresponding to the mapping information to the first terminal according to an access terminal switch request from the first terminal and, when the token is received from a second terminal, switch a terminal of the conference participant from the first terminal to the second terminal according to validity of the received token.Type: ApplicationFiled: October 29, 2018Publication date: May 2, 2019Applicant: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae YOON, Seong-Joong CHANG, Do-Hyung IM, Jun-Ho KANG
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Publication number: 20190098110Abstract: A conference system and an apparatus and method for mapping participant information between heterogeneous conferences are provided.Type: ApplicationFiled: September 19, 2018Publication date: March 28, 2019Applicant: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae YOON, Do-Hyung IM, Jun-Ho KANG, Seong-Joong CHANG
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Publication number: 20190089754Abstract: A system and method for providing an audio conference between heterogeneous networks are provided. The system for providing an audio conference according to one embodiment of the present disclosure includes an audio conference server configured to relay an audio conference between a plurality of terminals; and a web conference server configured to receive a request of a host terminal for connection to the audio conference and create a first bridge session for audio data transmission/reception between the host terminal and the audio conference server and a second bridge session for maintaining a host connection of the host terminal.Type: ApplicationFiled: September 18, 2018Publication date: March 21, 2019Applicant: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae YOON, Do-Hyung IM, Jun-Ho KANG, Seong-Joong CHANG
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Publication number: 20190089753Abstract: A conference system and a method for handling a conference connection in the conference system are provided. The method for handling a conference connection according to one embodiment of the present disclosure includes: providing, at a web conference server, a terminal with an access link to a web conference; acquiring, at the web conference server, identification information of the terminal from the terminal connected to the web conference through the access link; processing, at an audio conference server, a connection of the terminal to an audio conference; receiving, at the web conference server, identification information of the terminal connected to the audio conference from the audio conference server; and mapping, at the web conference server, participant information of the web conference and participant information of the audio conference by comparing the identification information received from the terminal with the identification information received from the audio conference server.Type: ApplicationFiled: September 18, 2018Publication date: March 21, 2019Applicant: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae YOON, Do-Hyung IM, Jun-Ho KANG, Seong-Joong CHANG
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Publication number: 20190075142Abstract: A conference system and a method for interworking between an audio conference and a web conference in the system are provided. The method for interworking between an audio conference and a web conference according to one embodiment of the present disclosure includes recognizing, at an audio conference server, an access of a host terminal to an audio conference and activating the audio conference, transmitting, at the audio conference server, a notification of activation of the audio conference to a web conference server, and activating, at the web conference server, a web conference corresponding to the audio conference according to the notification of activation of the audio conference.Type: ApplicationFiled: August 31, 2018Publication date: March 7, 2019Applicant: SAMSUNG SDS CO., LTD.Inventors: Hee-Tae YOON, Do-Hyung IM, Jun-Ho KANG, Seong-Joong CHANG
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Publication number: 20160337155Abstract: The purpose of the present invention is to reduce the Peak to Average Ratio (PAR) of a transmission signal. A transmission device comprises a generation part for generating a cancellation pulse corresponding to a peak component of a transmission signal, and a cancellation part for attenuating the peak component using the cancellation pulse. In addition, the present invention includes some embodiments other than the aforesaid embodiment.Type: ApplicationFiled: December 4, 2014Publication date: November 17, 2016Inventors: Pavel MARTYNOVICH, Jae-Bum Kim, Jung-Hwan MOON, Tae-Young MIN, Young-Yoon WOO, Mun-Woo LEE, Jae-Hyung IM
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Patent number: 9368694Abstract: A method of fabricating a light-emitting device package includes preparing a carrier including a first surface and a second surface disposed opposite the first surface, forming a phosphor layer on the first surface of the carrier, emitting first light from a test light-emitting device toward the second surface of the carrier, analyzing second light passing through the phosphor layer, and determining a thickness of the phosphor layer based on the analysis.Type: GrantFiled: June 16, 2015Date of Patent: June 14, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Raphael Jung, Jae-hyung Im, Young-sun Kwak
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Publication number: 20160099388Abstract: A method of fabricating a light-emitting device package includes preparing a carrier including a first surface and a second surface disposed opposite the first surface, forming a phosphor layer on the first surface of the carrier, emitting first light from a test light-emitting device toward the second surface of the carrier, analyzing second light passing through the phosphor layer, and determining a thickness of the phosphor layer based on the analysis.Type: ApplicationFiled: June 16, 2015Publication date: April 7, 2016Inventors: Raphael JUNG, Jae-hyung IM, Young-sun KWAK
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Publication number: 20050080879Abstract: A home network system includes a home server for controlling a network in a residence and a portal serve for managing the home server. The portal server is connected to the home server over the Internet, and the home server controls operations of one or more electric appliances connected to the network. The home server communicates data with the portal server to perform automatic upgrade of software installed on the home server. This automatic upgrade allows the home server to maintain the latest version of the software installed on the home server without requiring an annoying manual operation, thereby improving user convenience and increasing system stability.Type: ApplicationFiled: June 23, 2004Publication date: April 14, 2005Inventors: Chang Kim, Hyung Im