Patents by Inventor Sang-Su Park

Sang-Su Park 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: 20230021021
    Abstract: Provided are a method and apparatus for providing a counseling service. A method of operating a counseling center server interworking with an instant messaging service includes creating, based on an input of a first user requesting counseling for a channel registered in the service, a first counseling ticket corresponding to the channel, determining whether the first counseling ticket is created due to switch to manned counseling during unmanned counseling based on a type of the requested counseling and a second counseling ticket created before the first counseling ticket by a request of the first user, updating an indicator for a counseling status of the channel based on a result of the determination and counseling data stored in correspondence with the second counseling ticket, and providing the updated indicator for the counseling status to a terminal of a second user linked to the channel.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 19, 2023
    Inventors: Se Eun PARK, Sung Yong CHANG, Zong Muk YOON, Hyun Soo PARK, Bo Kuk PARK, Yeo Seong YOON, Jung Wook SON, Woo Hyeok JUN, Woo Seong LEE, Jeong Hyeon LEE, Sang Won LEE, Yong Su PARK
  • Patent number: 11545068
    Abstract: A display device, includes: a scan driver configured to sequentially supply scan signals having a turn-on level to the first scan line and the second scan line during a first period and to concurrently supply scan signals having a turn-on level to the first scan line and the second scan line during a second period after the first period, wherein: a mask period corresponds to a difference between a start point of the second period and a start point of the first period in a next frame period, a first frame period and a second frame period have different mask periods, a third frame period between the first frame period and the second frame period has a same mask period as the first frame period, and a fourth frame period between the first frame period and the second frame period has a same mask period as the second frame period.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 3, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Su Han, Kyun Ho Kim, Seong Jun Kim, Jung Taek Kim, Hyung Keun Park, Joon Suk Baik, Se Keun Lee
  • Patent number: 11535128
    Abstract: A vehicle seat support assembly includes: a front link; and a front link bracket coupled to an upper rail of a vehicle seat and including a sagging support portion configured to inhibit sagging of the front link toward the upper rail. In particular, the front link is pivotally coupled to the front link.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: December 27, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Mu Young Kim, Sang Do Park, Gil Ju Kim, Jung Sang You, Ho Suk Jung, Min Seok Kim, Seung Young Lee, Jun Young Yun, Seung Hyun Kim, Han Su Yoo, Chan Ho Jung, Han Kyeol Cho
  • Publication number: 20220390659
    Abstract: A polarizing plate and an optical display apparatus including the same are provided. The polarizing plate includes: a polarizer; and a first retardation layer and a second retardation layer sequentially stacked on a lower surface of the polarizer. The first retardation layer has an in-plane retardation (Re) of 200 nm to 250 nm at a wavelength of 550 nm; the second retardation layer has an in-plane retardation (Re) of 80 nm to 140 nm at a wavelength of 550 nm; and the polarizing plate has a total transmittance difference of 2% or more between total transmittance at a wavelength of 450 nm and total transmittance at a wavelength of 420 nm.
    Type: Application
    Filed: June 2, 2022
    Publication date: December 8, 2022
    Inventors: Jun Mo KOO, Jung Hun YOU, Sang Hum LEE, Bong Choon KIM, Yoon Jung KIM, Ri Ra JUNG, Kyu Sik KIM, Kwang Ho SHIN, Han Mam JEONG, Eun Su PARK
  • Publication number: 20220380668
    Abstract: An etchant composition includes: an inorganic acid compound at 9.0 wt % to 9.9 wt %; an inorganic salt compound at 5.0 wt % to 10.0 wt %; an organic acid compound at 35 wt % to 45 wt %; a lactate-based compound at 10 wt % to 20 wt %; a nitrogen cyclic compound containing oxygen at 0.1 wt % to 1.0 wt %; and a remaining amount of water such that a total weight of the etchant composition is 100 wt %, wherein the inorganic acid compound is an etchant composition having an acid dissociation constant (pKa) value of ?1.0 to ?3.0.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 1, 2022
    Inventors: Jong Hee PARK, Hyoung Sik KIM, Sang Hyuk LEE, Yong Hoe KIM, Young Kwang KIM, Dong Ho KANG, Hyun-Cheol SHIN, Sung-Tae KIM, Dong Hun LEE, Min Hye LEE, Byung Su LEE, Ki Su JUNG
  • Publication number: 20220339922
    Abstract: Disclosed is a lamination system. A lamination system, which bonds a panel and a bonding target panel to from a panel assembly, according to one embodiment of the present invention may include a transfer which moves along a transfer shuttle and supports any one among the panel, the bonding target panel, and the panel assembly, a bonding chamber which is provided parallel to the transfer shuttle and bonds the panel and the bonding target panel, and a first robot which transfers any one among the panel, the bonding target panel, and the panel assembly between the transfer and the bonding chamber.
    Type: Application
    Filed: February 18, 2022
    Publication date: October 27, 2022
    Applicant: STI CO., LTD.
    Inventors: Eun Su JEON, Kyu Yong HAN, Sang Pil PARK, Jae Hwan KIM
  • Publication number: 20220340701
    Abstract: Provided is a thermoplastic resin composition which includes: a rubber polymer including a first styrene-based monomer unit and a diene-based monomer unit in a weight ratio of 10:90 to 35:65 and having an average particle diameter of 250 to 450 nm; a (meth)acrylate-based monomer unit; and a second styrene-based monomer unit, wherein a weight ratio of the (meth)acrylate-based monomer unit to the second styrene-based monomer unit is 2 or less, and a weight-average molecular weight ranges from 130,000 to 250,000 g/mol.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 27, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Jeong Su Choi, Won Seok Lee, Roo Da Lee, Sang Hoo Park, Jong Ju Lee, Seung Je Oh
  • Patent number: 11474012
    Abstract: A method for preparing a SiC ingot includes: disposing a raw material and a SiC seed crystal facing each other in a reactor having an internal space; subliming the raw material by controlling a temperature, a pressure, and an atmosphere of the internal space; growing the SiC ingot on the seed crystal; and collecting the SiC ingot after cooling the reactor. The wafer prepared from the ingot, which is prepared from the method, generates cracks when an impact is applied to a surface of the wafer, the impact is applied by an external impact source having mechanical energy, and a minimum value of the mechanical energy is 0.194 J to 0.475 J per unit area (cm2).
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: October 18, 2022
    Assignee: SENIC INC.
    Inventors: Jong Hwi Park, Jongmin Shim, Eun Su Yang, Yeon Sik Lee, Byung Kyu Jang, Jung Woo Choi, Sang Ki Ko, Kap-Ryeol Ku, Jung-Gyu Kim
  • Publication number: 20220325018
    Abstract: The present invention relates to an olefin-based polymer satisfying conditions as follow: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)?T(50)?50 and T(95)?T(90)?10 are satisfied when measured by a differential scanning calorimetry precise measurement method (SSA). The olefin-based polymer according to the present invention is a low-density olefin-based polymer introducing a highly crystalline region and showing high mechanical rigidity.
    Type: Application
    Filed: September 28, 2020
    Publication date: October 13, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Sang Eun Park, Eun Jung Lee, In Sung Park, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
  • Patent number: 11447889
    Abstract: An adhesive layer of seed crystal includes a graphitized adhesive layer, wherein the graphitized adhesive layer is prepared by heat-treating a pre-carbonized adhesive layer, and wherein the adhesive layer has Vr value of 28%/mm3 or more, and the Vr value is represented by Equation 1 below: Vr ? = { Sq ( V ? 1 - V ? 2 ) } × 1 ? 0 3 [ Equation ? ? 1 ] where Sg (%) is represented by Equation 2 below, V1 is a volume (mm3) of the pre-carbonized adhesive layer, and V2 is a volume (mm3) of the graphitized adhesive layer, Sg ? = { 1 - ( A ? 2 A ? 1 ) } × 1 ? 0 ? 0 ? % [ Equation ? ? 2 ] where A1 is an area (mm2) of the pre-carbonized adhesive layer, and A2 is an area (mm2) of the graphitized adhesive layer.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: September 20, 2022
    Assignee: SENIC INC.
    Inventors: Jong Hwi Park, Jongmin Shim, Eun Su Yang, Byung Kyu Jang, Jung Woo Choi, Sang Ki Ko, Kap-Ryeol Ku, Jung-Gyu Kim
  • Publication number: 20220289079
    Abstract: A power supply and signal transmission device for a vehicle seat rail is provided. The device includes a contact-type power supply unit configured to supply power to an electrical device mounted on a seat, and a contact-type signal transmission unit configured to transfer seat drive control signals. The contact-type power supply unit and the contact-type signal transmission unit are directly mounted on the seat rail.
    Type: Application
    Filed: July 1, 2021
    Publication date: September 15, 2022
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation, Daechang Seat Co., LTD-Dongtan
    Inventors: So Young YOO, Hyeong Jong KIM, Han Su YOO, Seon Chae NA, Sang Ho KIM, Seok Hwan KIM, Tae Hong HAN, Sang Yeong PARK
  • Patent number: 11440419
    Abstract: A method of controlling gear shifting in an electric vehicle includes: determining whether or not an electric vehicle travels in an electric vehicle (EV) traveling mode; determining whether or not kick-down gear shifting is required in the EV traveling mode; determining whether or not acceleration linearity control is possible, in a case where the kick-down gear shifting is required; performing correction of a torque of a motor in a case where the acceleration linearity control is possible; and performing gear shifting in a transmission on the basis of the corrected torque of the motor.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: September 13, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Cheol Ho Jang, Gi Young Kwon, Sang Jun Han, Ji Hyun Park, Jae Yun Jung, Min Su Kim, Jeong Soo Park, Jae Chang Kook, Min Kyu Lee
  • Patent number: 11434358
    Abstract: The present invention relates to a matrix copolymer including a cellulose nanocrystal derivative, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; a graft copolymer including a cellulose nanocrystal derivative, a conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a vinyl cyan-based monomer unit; and a thermoplastic resin composition including at least one thereof. In accordance with the present invention, provided is a thermoplastic resin composition having improved processability, impact strength, tensile strength and chemical resistance while maintaining transparency.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: September 6, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Hye Jeong Ok, Seok Goo Jang, Sang Hoo Park, Hyung Seop Shim, Jeong Su Choi, Keun Hoon Yoo, Won Seok Lee, Roo Da Lee, Ho Hoon Kim, Jong Ju Lee
  • Patent number: 11421103
    Abstract: The present invention relates to a method for preparing a graft copolymer powder, which includes: performing emulsion polymerization of a conjugated diene polymer, an aromatic vinyl monomer and an alkyl (meth)acrylate monomer to prepare a graft copolymer latex; coagulating the graft copolymer latex; aging the coagulated graft copolymer; preparing a wet powder of the graft copolymer by dehydrating the aged graft copolymer; and adding poly(oxyalkylene)diglycolic acid to the wet powder of the graft copolymer.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: August 23, 2022
    Assignee: LG CHEM, LTD
    Inventors: Jong Ju Lee, Jeong Su Choi, Won Seok Lee, Roo Da Lee, Ho Hoon Kim, Keun Hoon Yoo, Seok Goo Jang, Sang Hoo Park, Hye Jeong Ok, Hyung Seop Shim
  • Publication number: 20220238571
    Abstract: An image sensor includes a substrate including a first surface and a second surface which is opposite to the first portion, and a pixel isolation portion provided in the substrate and configured to isolate unit pixels from each other. The pixel isolation portion includes a first filling insulation pattern extending from the first surface toward the second surface and having an air gap region, the first filling insulation pattern including a first sidewall and a second sidewall which is opposite to the first sidewall, a conductive structure including a first portion on the first sidewall, a second portion on the second sidewall, and a connection portion connecting the first portion and the second portion, and an insulating liner provided between the first portion and the substrate and between the second portion and the substrate.
    Type: Application
    Filed: November 9, 2021
    Publication date: July 28, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Su PARK, Kwansik Kim, Changhwa Kim, Taemin Kim, Gyuhyun Lim
  • Publication number: 20220227981
    Abstract: The present invention relates to a polypropylene-based composite, including (A) polypropylene, and (B) an olefin-based polymer satisfying the following conditions: (1) a melt index (MI, 190° C., 2.16 kg load conditions) is from 0.1 g/10 min to 10.0 g/10 min, (2) a density (d) is from 0.860 g/cc to 0.880 g/cc, and (3) T(90)-T(50)?50 and T(95)-T(90)?10 are satisfied, wherein T(50), T(90) and T(95) are temperatures at which 50%, 90%, and 95% are melted, respectively, when fractionating a temperature-heat capacity curve from measurement results by the differential scanning calorimetry precise measurement method (SSA). The polypropylene-based composite of the present invention may show excellent impact strength.
    Type: Application
    Filed: September 28, 2020
    Publication date: July 21, 2022
    Applicant: LG Chem, Ltd.
    Inventors: Sang Eun Park, Eun Jung Lee, In Sung Park, Tae Su Kim, Choong Hoon Lee, Jin Sam Gong, Jung Ho Jun, Rae Keun Gwak
  • Patent number: 11393854
    Abstract: An image sensor and a method of fabricating the same, the image sensor including a semiconductor substrate having a first surface and a second surface facing each other; a first photoelectric conversion part disposed on the second surface of the semiconductor substrate; a first floating diffusion region provided in the semiconductor substrate adjacent to the first surface; a first interlayered insulating layer covering the first surface; a first channel pattern on the first interlayered insulating layer; and a first transfer gate electrode disposed adjacent to the first channel pattern and that controls transfer of charge generated in the first photoelectric conversion part to the first floating diffusion region through the first channel pattern.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: July 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Changhwa Kim, Kwansik Kim, Yoonkyoung Kim, Sang-Su Park, Beomsuk Lee, Taeyon Lee, Min-Jun Choi
  • Publication number: 20220214749
    Abstract: A haptic effect transmission method for providing real-time immersive content according to the present invention includes executing participatory content in which one or more users participate, collecting motion information of the users participating in the participatory content through a haptic device, multiplexing the motion information with video and audio files of the participatory content to obtain a multiplexed file, and demultiplexing the multiplexed file and providing the demultiplexed file to a display device and a haptic device of a client terminal.
    Type: Application
    Filed: September 18, 2019
    Publication date: July 7, 2022
    Inventors: Woo Chool PARK, Jun Hwan JANG, Yong Hwa KIM, Jin Wook YANG, Sang Pil YOON, Hyun Wook KIM, Eun Kyung CHO, Min Su CHOI, Jun Suk LEE, Jae Young YANG
  • Publication number: 20220213875
    Abstract: In a soft actuator having a cooler, a wearable robot having the soft actuator, a massage device having the soft actuator, and a method for controlling the soft actuator, the soft actuator includes a heat reaction member, a cooling part and a controller. The heat reaction member is configured to be contracted or relaxed according to a temperature change. The cooling part includes a cooling surface disposed at the heat reaction member, and a heating surface disposed opposite to the cooling surface. The controller is configured to control a power supply part so that a power is blocked to be supplied to the heat reaction member and the power is supplied to the cooling part, when the heat reaction member is changed to be a relaxation state.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 7, 2022
    Inventors: Cheol-Hoon PARK, Seyoung KIM, Sung-Hyuk SONG, Hyunuk SEO, Young-Su SON, Sang-Yong HAM, Byungin KIM, Hyunmok JUNG, Seongjun PARK, Kyungjun CHOI
  • Publication number: 20220205110
    Abstract: An etchant composition of an embodiment may etch a multi-layered film of titanium/copper and may include about 5 wt % to about 20 wt % of persulfate, about 0.1 wt % to about 5 wt % of phosphoric acid or phosphate, about 0.01 wt % to about 2 wt % of a carbonyl ring compound, about 0.01 wt % to about 1 wt % of a 3-nitrogen ring compound, about 0.1 wt % to about 2 wt % of a 4-nitrogen ring compound, about 0.1 wt % to about 0.9 wt % of a fluorine compound, about 0.1 wt % to about 0.5 wt % of hydrogen about 1 wt % to about 3 wt % of a zwitterionic compound, and sulfate, water which is included in an amount that makes the total weight of the entire composition about 100 wt %.
    Type: Application
    Filed: December 30, 2021
    Publication date: June 30, 2022
    Inventors: BONG-KYUN KIM, CHANGWOO KWON, SEUNGBO SHIM, ILBAE AHN, SEOKJUN JANG, JINSUEK KIM, JI-HUN PARK, YONG-SU LEE, YANGIL JEON, GYU-PO KIM, SANG-WOO KIM, HYUN-CHEOL SHIN