Patents by Inventor Sang-su Choi
Sang-su 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).
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Publication number: 20240120276Abstract: A three-dimensional semiconductor integrated circuit device including an inter-die interface is provided. The device includes a top die including a plurality of micro cells provided on a top surface of the top die, a plurality of micro bumps provided on a bottom surface of the top die, and wiring patterns connecting the plurality of micro cells to the plurality of micro bumps; and a bottom die including a plurality of macro cells provided on a top surface thereof, wherein the plurality of macro cells are electrically connected to the plurality of micro bumps, respectively, wherein a size of a region in which the plurality of micro cells are provided is smaller than a size of a region in which the plurality of micro bumps are provided.Type: ApplicationFiled: July 27, 2023Publication date: April 11, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jae Seung CHOI, Byung-Su KIM, Bong Il PARK, Chang Seok KWAK, Sun Hee PARK, Sang Joon CHEON
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Patent number: 11944118Abstract: Provided is an aerosol-generating article including a wrapper which is discolored as the aerosol-generating material is heated, the aerosol-generating article including: a tobacco rod; a front-end plug arranged on a side of the tobacco rod; a filter rod arranged on the other side of the tobacco rod; and the wrapper surrounding the tobacco rod, the front-end plug, and the filter rod, wherein the wrapper includes a thermochromic material which is heated and discolored by an aerosol-generating device when the aerosol-generating article is inserted into the aerosol-generating device.Type: GrantFiled: November 13, 2019Date of Patent: April 2, 2024Assignee: KT&G CORPORATIONInventors: Bong Su Cheong, Dong Kyun Ko, Jae Sung Noh, Sang Won Choi, Jung Seop Hwang
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Patent number: 11944661Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.Type: GrantFiled: February 7, 2018Date of Patent: April 2, 2024Assignee: JEONNAM BIOINDUSTRY FOUNDATIONInventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
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Patent number: 11940783Abstract: A computing system for building a virtual factory includes database and a virtual factory building module. The database stores modeling data. The virtual factory building module builds the virtual factory in which a progress situation of a work performed from a first portion to a second portion is displayed, based on the modeling data and a time difference between an output time of a first signal and an output time of a second signal, which is calculated based on the first signal output when a product is at a first portion on one or more facilities monitored from a first location present in an outside of the one or more facilities used in a real factory and the second signal output when the product is at a second portion on the one or more facilities monitored from a second location present in the outside of the one or more facilities. The first location is spaced from the second location, and the first portion is spaced from the second portion.Type: GrantFiled: October 4, 2019Date of Patent: March 26, 2024Inventor: Sang Su Choi
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Patent number: 11939698Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.Type: GrantFiled: November 3, 2020Date of Patent: March 26, 2024Assignee: SENIC INC.Inventors: Jong Hwi Park, Jung-Gyu Kim, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Yeon Sik Lee, Sang Ki Ko, Kap-Ryeol Ku
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Patent number: 11931861Abstract: A grinding wheel includes a plurality of wheel tips. The plurality of wheel tips include a plurality of diamond abrasive grains and a bonding material mixed with the diamond abrasive grains. The plurality of diamond abrasive grains have a ratio of a length in a long axis direction to a width in a short axis direction of 1:2.5 to 1:3.5 and includes edges or vertices having a grinding angle of 90° or less.Type: GrantFiled: May 21, 2019Date of Patent: March 19, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong Gi Jeon, Sang Il Choi, Chang Su Jeong, Tae Gyu Kang
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Publication number: 20240076799Abstract: A wafer manufacturing method, an epitaxial wafer manufacturing method, and a wafer and epitaxial wafer manufactured thereby, are provided. The wafer manufacturing method enables the manufacture of a wafer with a low density of micropipe defects and minimum numbers of particles and scratches. The epitaxial wafer manufacturing method enables the manufacture of an epitaxial wafer that has low densities of defects such as downfall, triangular, and carrot defects, exhibits excellent device characteristics, and improves the yield of devices.Type: ApplicationFiled: November 1, 2023Publication date: March 7, 2024Applicant: SENIC INC.Inventors: Jong Hwi PARK, Jung-Gyu KIM, Eun Su YANG, Byung Kyu JANG, Jung Woo CHOI, Yeon Sik LEE, Sang Ki KO, Kap-Ryeol KU
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Patent number: 11925098Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.Type: GrantFiled: November 8, 2022Date of Patent: March 5, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Myoung Geun Cha, Sang Gun Choi, Joon Woo Bae, Ji Yeong Shin, Yong Su Lee
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Publication number: 20210389757Abstract: A computing system for building a virtual factory includes database and a virtual factory building module. The database stores modeling data. The virtual factory building module builds the virtual factory in which a progress situation of a work performed from a first portion to a second portion is displayed, based on the modeling data and a time difference between an output time of a first signal and an output time of a second signal, which is calculated based on the first signal output when a product is at a first portion on one or more facilities monitored from a first location present in an outside of the one or more facilities used in a real factory and the second signal output when the product is at a second portion on the one or more facilities monitored from a second location present in the outside of the one or more facilities. The first location is spaced from the second location, and the first portion is spaced from the second portion.Type: ApplicationFiled: October 4, 2019Publication date: December 16, 2021Inventor: Sang Su Choi
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Publication number: 20210005765Abstract: Disclosed is a thin film type solar cell with superior efficiency and a method for manufacturing the same. The thin film type solar cell includes a substrate, one or more front electrodes arranged on the substrate such that the front electrodes are spaced from one another through a first trench, a semiconductor layer arranged on the front electrode, wherein a part of the semiconductor layer is removed by a second trench adjacent to the first trench, and one or more rear electrodes arranged on the second trench and the semiconductor layer such that the rear electrodes are spaced from one another through a third trench adjacent to the second trench, wherein the semiconductor layer include one or more connection members which are adjacent to the second trench and are divided by the second trench.Type: ApplicationFiled: September 21, 2011Publication date: January 7, 2021Inventors: Jun Ki MIN, Sang Su CHOI
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Patent number: 10665740Abstract: Disclosed is a thin film type solar cell which prevents short circuit from occurring between a first electrode and a second electrode due to a burr produced in a separation part, thereby preventing an output from being reduced. The thin film type solar cell includes a substrate, a first electrode disposed over the substrate and being apart from an adjacent first electrode by a first separation part, a semiconductor layer disposed over the first electrode and being apart from an adjacent semiconductor layer by a contact part and a second separation part, and a second electrode disposed over the semiconductor layer and being apart from an adjacent second electrode by the second separation part. The semiconductor layer contacts the substrate through the first separation part, and the second electrode contacts the first electrode through the contact part. A height of a burr produced in the second separation part is lower than a height between the first electrode and the second electrode.Type: GrantFiled: June 10, 2016Date of Patent: May 26, 2020Assignee: JUSUNG ENGINEERING CO., LTD.Inventors: Yong Hyun Kim, Chang Kyun Park, Young Gi Kim, Duck Ho Kim, Kyung In Min, Sang Su Choi
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Patent number: 10609007Abstract: A method of controlling transmission of content data includes establishing a communication channel with an external device; transmitting the content data through the communication channel to the external device; verifying a plurality of times whether the content data is transmitted to the external device within an acceptable transmission range to generate a verification result; and determining whether to continue transmitting the content data according to the verification result. The verification is periodically performed according to an amount of the content data to be transmitted.Type: GrantFiled: February 6, 2017Date of Patent: March 31, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-su Choi, Yang-lim Choi, Jun-bum Shin, So-young Lee, Sun-nam Lee, Ji-young Moon
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Publication number: 20190035959Abstract: Disclosed is a thin film type solar cell which prevents short circuit from occurring between a first electrode and a second electrode due to a burr produced in a separation part, thereby preventing an output from being reduced. The thin film type solar cell includes a substrate, a first electrode disposed over the substrate and being apart from an adjacent first electrode by a first separation part, a semiconductor layer disposed over the first electrode and being apart from an adjacent semiconductor layer by a contact part and a second separation part, and a second electrode disposed over the semiconductor layer and being apart from an adjacent second electrode by the second separation part. The semiconductor layer contacts the substrate through the first separation part, and the second electrode contacts the first electrode through the contact part. A height of a burr produced in the second separation part is lower than a height between the first electrode and the second electrode.Type: ApplicationFiled: June 10, 2016Publication date: January 31, 2019Inventors: Yong Hyun KIM, Chang Kyun PARK, Young Gi KIM, Duck Ho KIM, Kyung In MIN, Sang Su CHOI
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Publication number: 20170149750Abstract: A method of controlling transmission of content data includes establishing a communication channel with an external device; transmitting the content data through the communication channel to the external device; verifying a plurality of times whether the content data is transmitted to the external device within an acceptable transmission range to generate a verification result; and determining whether to continue transmitting the content data according to the verification result. The verification is periodically performed according to an amount of the content data to be transmitted.Type: ApplicationFiled: February 6, 2017Publication date: May 25, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-su CHOI, Yang-lim CHOI, Jun-bum SHIN, So-young LEE, Sun-nam LEE, Ji-young MOON
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Patent number: 9590960Abstract: Provided are a method and apparatus for controlling transmission of content data. In the method, a communication channel is initially established to transmit the content data, the content data is transmitted through the established communication channel, verification is performed a plurality of times to determine whether the content data is transmitted within an acceptable transmission range, and whether to continue the transmission of the content data is determined according to the verification result. Accordingly, when a client moves to a location outside a predetermined acceptable transmission range in a wireless environment, a server stops transmission of the content data. In addition, content data can be continuously transmitted regardless of interference caused by a temporary obstacle between a server and a client.Type: GrantFiled: February 6, 2008Date of Patent: March 7, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sang-su Choi, Yang-Lim Choi, Jun-bum Shin, So-young Lee, Sun-Nam Lee, Ji-young Moon
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Patent number: 9449294Abstract: A method and apparatus for managing user devices and contents with quick response (QR) codes. An image of a QR code displayed on a user terminal is captured; the captured image of the QR code is analyzed, and a domain registration request message is generated based on the QR code; and the domain registration request message is transmitted to a domain server, and a domain registration response message is received from the domain server.Type: GrantFiled: September 22, 2011Date of Patent: September 20, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong-ho Hwang, Choong-hoon Lee, Sang-su Choi, Jin-mok Kim
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Publication number: 20120233019Abstract: A method and apparatus for managing content among user devices is provided. The method includes requesting, from a first server, a list of Digital Rights Management (DRM) supported by at least one user device upon receiving a request to download content; using the list of DRM received from the first server to assign at least one second server supported by the at least one user device; and communicating with the assigned at least one second server to download, to the end user device, the content with at least one DRM license supported by the at least one user device.Type: ApplicationFiled: January 12, 2012Publication date: September 13, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong-ho HWANG, Choong-hoon LEE, Sang-su CHOI, Jin-mok KIM
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Publication number: 20120199647Abstract: A method and apparatus for managing user devices and contents with quick response (QR) codes. An image of a QR code displayed on a user terminal is captured; the captured image of the QR code is analyzed, and a domain registration request message is generated based on the QR code; and the domain registration request message is transmitted to a domain server, and a domain registration response message is received from the domain server.Type: ApplicationFiled: September 22, 2011Publication date: August 9, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong-ho HWANG, Choong-hoon LEE, Sang-su CHOI, Jin-mok KIM
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Patent number: 8204215Abstract: A method of encrypting data is provided. The method includes dividing data in packet units into N data blocks; generating an initial counter value using a random number used for generating an encryption key for encrypting the data blocks; generating N counter values by increasing the initial value by a predetermined value N times and encrypting the N counter values using the encryption key; and performing an exclusive OR operation on the N encrypted counter values and the N data blocks.Type: GrantFiled: November 28, 2007Date of Patent: June 19, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-kuk You, Seong-soo Kim, Sang-su Choi, So-young Lee
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Patent number: 8170215Abstract: A method of managing a home network key in a home network environment, which has a key management server for managing the home network key and a plurality of home network devices, includes: allowing a home network device to generate device unique information and to transmit the device unique information to the key management server; allowing the key management server to generate a parameter for generating the home network key by using the device unique information and to transmit the parameter to the home network device; and allowing the home network device to generate the home network key by using the parameter. The generated home network key being independent of the device unique information.Type: GrantFiled: June 22, 2005Date of Patent: May 1, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Sun-nam Lee, Myung-sun Kim, Su-hyun Nam, Sang-su Choi, Sung-hyu Han