Patents by Inventor Sang Hun Lee

Sang Hun Lee 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: 20200372340
    Abstract: The present invention relates to a neural network parameter optimization method and a neural network computation method and apparatus suitable for hardware implementation. The neural network parameter optimization method suitable for hardware implementation according to the present invention may include transforming an existing parameter of a neural network into a signed parameter and a magnitude parameter having a single value for each channel and generating an optimized parameter by pruning the transformed magnitude parameter. Accordingly, the present invention provides a neural network parameter optimization method and a neural network computation method and apparatus thereof, which optimize a large amount of computation and parameters of a convolutional neural network to be effective in hardware implementation, thereby achieving minimal accuracy loss and maximum computation speed.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 26, 2020
    Inventors: Sang Hun LEE, Myung Kyum KIM, Joo Hyuk KIM
  • Publication number: 20200373633
    Abstract: A cooling device for a vehicle battery may include a cooling fin receiving heat generated by a plurality of battery cells and discharging the heat to an outside, and a bendable heat-transfer body receiving heat from the cooling fin, the bendable heat-transfer body being composed of a bimetal so that the bimetal is spaced from a vehicle body panel when the temperature decreases and such that the bimetal is bent to be brought into contact with the vehicle body panel when the temperature increases.
    Type: Application
    Filed: October 23, 2019
    Publication date: November 26, 2020
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yong Jae Kim, Jeong Hun Seo, Sang Wan Kim, Jin Won Kim, Yong Jin Lee, Jun Seok Choi
  • Patent number: 10847510
    Abstract: The present disclosure provides an RF power device including: a single RF power transistor; a pad spaced apart from the single RF power transistor and configured to transmit a temperature and RF characteristic information of the single RF power transistor to an outside; and a temperature and RF characteristic detector connected between the pad and the ground and configured to detect the temperature and the RF characteristics of the single RF power transistor, and is characterized in that the ground is connected to the single RF power transistor, and the single RF power transistor, the pad, and the temperature and RF characteristic detector are manufactured on the same wafer.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: November 24, 2020
    Inventor: Sang-Hun Lee
  • Publication number: 20200366265
    Abstract: A bulk acoustic resonator includes: a substrate including an upper surface on which a substrate protection layer is disposed; and a membrane layer forming a cavity together with the substrate, wherein a thickness deviation of either one or both of the substrate protection layer and the membrane layer is 170 ? or less.
    Type: Application
    Filed: August 3, 2020
    Publication date: November 19, 2020
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Tae Kyung LEE, Tae Yoon KIM, Dae Ho KIM, Chang Hyun LIM, Tae Hun LEE, Sang Kee YOON, Jong Woon KIM, Won HAN, Moon Chul LEE
  • Publication number: 20200365818
    Abstract: A flexible display device including: a display substrate having a display area and a peripheral area surrounding the display area; a plurality of pixels formed in the display area; a passivation layer covering the pixels from the top to protect the pixels; a polarization film layer provided at the top of the passivation layer and of which an edge is extended outside an edge of the passivation layer; and a film wiring made of a flexible material of which one end is connected to the peripheral area.
    Type: Application
    Filed: August 6, 2020
    Publication date: November 19, 2020
    Inventors: Jong-Ryuk Park, Hyun-Been Hwang, Sang Hun Oh, Keun Soo Lee, Sun Youl Lee, Gyoo Chul Jo
  • Publication number: 20200363568
    Abstract: The present embodiment relates to a dual camera module comprising: a first camera module including a first liquid lens and capturing a first image; and a second camera module including a second liquid lens and capturing a second image, wherein a viewing angle of the first camera module is smaller than a viewing angle of the second camera module, at least a part of the viewing angle of the first camera module is included in the viewing angle of the second camera module such that there is an overlapping area between the first image and the second image so as to enable a composite image formed by combining the first image and the second image to be generated, and when the first camera module is focused, a focal length of the first liquid lens is varied according to the distance between the first liquid lens and a subject, and when the second camera module is focused, a focal length of the second liquid lens is varied according to the distance between the second liquid lens and the subject.
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Inventors: Young Seop MOON, Ui Jun KIM, Han Young KIM, Hyung KIM, Sang Hun LEE
  • Patent number: 10839191
    Abstract: A display device includes a substrate having a display region and a non-display region disposed at one side of the display region, the display region includes first and second areas adjacent to each other; a display unit disposed on a front surface of the substrate, the display unit including a plurality of pixels for displaying an image; a cushion layer disposed on a rear surface of the substrate, the cushion layer including a first opening portion corresponding to the first area; a fingerprint sensor provided in the first opening portion of the cushion layer, the fingerprint sensor sensing a fingerprint of a user; and a first light-blocking layer disposed on a rear surface of the substrate, the first light-blocking layer covering at least part of the cushion layer and a lower surface of the fingerprint sensor.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: November 17, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeung Soo Kim, Tae Eun Kim, Youn Bum Lee, Young Kwang Kim, Tae Hun Kim, Sang Hyun Lee
  • Publication number: 20200346358
    Abstract: A razor assembly includes a guide housing; a drive receiving member disposed on one side of the guide housing and movable in a first direction with respect to the guide housing; a blade housing disposed on another side of the guide housing; at least one shaving blade disposed at the blade housing; a razor handle extending from the guide housing; and a drive transmission member configured to transmit a driving force to the drive receiving member. The blade housing is configured to be moved with respect to the guide housing in a second direction that is not parallel to the first direction in response to movement of the drive receiving member in the first direction. The drive receiving member is further configured to be moved in the first direction with respect to the guide housing by the driving force transmitted from the drive transmission member.
    Type: Application
    Filed: April 14, 2020
    Publication date: November 5, 2020
    Applicant: DORCO CO., LTD.
    Inventors: Young Ho PARK, Jae Joon LEE, Sung Hee SON, Shin Hwan PARK, Sang Hun PARK
  • Publication number: 20200347797
    Abstract: There is provided a method for manufacturing a piston for a vehicle engine, including: a piston assembling step of forming a piston assembly by assembling a first piston part, a bonding member and a second piston part, wherein the first piston part has two or more bonding surfaces separated from each other and extended in a circumferential direction, and the second piston part has two or more bonding surfaces separated from each other and extended in the circumferential direction; a piston diffusion brazing step of diffusion brazing the first piston part, the bonding member and the second piston part under an open atmosphere by heating the formed piston assembly; and a piston cooling step of cooling a piston unit formed by diffusion brazing the first piston part, the bonding member and the second piston part.
    Type: Application
    Filed: July 17, 2020
    Publication date: November 5, 2020
    Applicant: Dong Yang Piston Co., Ltd.
    Inventors: Jun-Kui YANG, Kwan-Ho RYU, Jeong-Keun LEE, Ju-Hyun SUN, Sang-Bean PARK, Jung-Hun JI
  • Publication number: 20200350860
    Abstract: An LC oscillator capable of temperature compensation includes a differential voltage supplier providing a positive differential voltage to a positive node and a negative differential voltage to a negative node and a differential oscillation frequency signal output unit outputting a positive oscillation frequency signal using the positive differential voltage provided to the positive node by the differential voltage supplier and a negative oscillation frequency signal using the negative differential voltage provided to the negative node by the differential voltage supplier.
    Type: Application
    Filed: April 28, 2020
    Publication date: November 5, 2020
    Inventor: Sang-Hun LEE
  • Patent number: 10826039
    Abstract: An electrode assembly for a secondary battery having reduced internal resistance while adhesion between a separator and an electrode is maintained and having improved electrolyte impregnation the electrode assembly including a separator having a processed area having undergone a corona discharging process and a non-processed area.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: November 3, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sang Kyun Lee, Ju Hyeon Cho, Cha-Hun Ku, Seok Jin Kim, Duck Hoe Kim
  • Publication number: 20200340937
    Abstract: An electronic device is disclosed. The electronic device comprises: a gas sensor having different sensitivities in temperature for each of a plurality of gases; and a processor for calculating a concentration of at least one of a plurality of gases on the basis of an output value of the gas sensor for different temperature sections.
    Type: Application
    Filed: July 27, 2018
    Publication date: October 29, 2020
    Inventors: Jang-pyo PARK, Yong-won JEONG, Jae-hong KIM, Sang-hun LEE, Jeong-eun LEE, Hye-Jung CHO
  • Publication number: 20200344920
    Abstract: A cooling system for a power conversion device may include a cooler upper-part having a plurality of cooling tubes through which cooling water flows and a connecting portion connecting the cooling tubes; one or more power conversion modules mounted between the cooling tubes; a cooling fin plate formed in a plate shape with cooling fins on a side and mounted on a side of the power conversion module such that the cooling fins are mounted in the opposite directions with respect to the power conversion module; and a cooler lower-part mounted between the cooling fin plate and the cooler upper-part, having one or more open holes formed at a portion, and combined with the cooling fin plate by inserting the cooling fins of the cooling fin plate in the open holes.
    Type: Application
    Filed: October 23, 2019
    Publication date: October 29, 2020
    Inventors: Sang Hun Lee, Jae Hoon Yoon
  • Patent number: 10816845
    Abstract: A liquid crystal display may include a substrate and a color filter set disposed on the substrate. The color filter may include a blue color filter. The blue color filter may include a blue pigment, a violet dye, and a violet absorbing pigment. The violet absorbing pigment may absorb light having a wavelength in a range of 410 nm to 450 nm. The blue color filter may have transmittance in a range of 20% to 30% with respect to light having a wavelength in a range of 425 nm to 435 nm.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: October 27, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hyun Ahn, Hyo Suk Park, Ho-Yong Shin, Sang Hun Lee
  • Publication number: 20200333520
    Abstract: Provided is a polarizing plate for a light-emitting diode and a light-emitting display device including the same, the polarizing plate comprising a polarizing film and a liquid crystal retardation film, wherein the liquid crystal retardation film comprises a laminate made of: a second retardation film having a discotic liquid crystal of which an in-plane retardation Re, in a wavelength of 550 nm, is approximately 220 nm to approximately 280 nm and a biaxial degree (NZ) is approximately 0 to approximately 0.3; and a first retardation film having a nematic liquid crystal of which an in-plane retardation Re, in a wavelength of 550 nm, is approximately 100 nm to approximately 150 nm and a biaxial degree (NZ) is approximately 0.3 to approximately 0.7.
    Type: Application
    Filed: October 10, 2018
    Publication date: October 22, 2020
    Inventors: Sang Hum LEE, Kenji HAMADA, Jin Sook KIM, Jung Hun YOU, Jin Hee CHOI
  • Publication number: 20200335673
    Abstract: A light emitting device package disclosed in an embodiment of the invention includes a substrate including first and second frames; a light emitting device including a first bonding portion facing the first frame and a second bonding portion facing the second frame; a phosphor layer on the light emitting device; a first resin disposed around the upper surface of the substrate and the light emitting device; a second resin between the first resin and side surfaces of the light emitting device; and an adhesive layer between the phosphor layer and the light emitting device, wherein the adhesive layer includes a thickness thinner than a thickness of the phosphor layer, and the first resin comprises a reflective resin material and is disposed on the side surface of the phosphor layer. The second resin may include a transparent resin material, and the second resin may include a curved surface with an outer surface facing the first resin.
    Type: Application
    Filed: October 31, 2018
    Publication date: October 22, 2020
    Inventors: Ki Seok KIM, Jung Hwa JUNG, Na Young KIM, Won Jung KIM, Suk Kyung PARK, Sang Jun LEE, Nak Hun KIM, Chang Man LIM
  • Publication number: 20200336786
    Abstract: A method for communicating data by an electronic device is provided. The method includes transmitting a signal including audio/video (A/V) data to a first external electronic device through a first communication module, while connected with the first external electronic device, generating data or a signal unrelated to the A/V data or receiving the data or signal unrelated to the A/V data from an external electronic device other than the first external electronic device, and providing an audio or a video through a display or an embedded sound device based on at least a portion of the data or the signal unrelated to the A/V data or transmitting the at least a portion of the data or the signal unrelated to the A/V data to a second external electronic device through a second communication module.
    Type: Application
    Filed: July 1, 2020
    Publication date: October 22, 2020
    Inventors: Ki-Man LEE, Mi-Sun KIM, Sang-Hun KIM, Hyun-Joong KIM, Mi-Ra SEO, Woo-Cheol JUNG, Yong-Gu LEE
  • Publication number: 20200335698
    Abstract: Disclosed is a novel compound and an organic light-emitting device. The novel compound is represented by the following Chemical Formula 1, and when the novel compound is used as a material for a hole transport layer of an organic light emitting device, the novel compound allows the device to have lowered drive voltage, and improved efficiency and lifespan characteristics.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Heejun PARK, Jeongdae SEO, Seonkeun YOO, Soyoung JANG, Sunghoon KIM, Sang-Hoon HONG, Seong-Min PARK, Tae Wan LEE, Sunjae KIM, Dong Hun LEE, Jeonghoe HEO, Gwangyong KIM
  • Patent number: 10812697
    Abstract: A camera module includes a housing having a lens module, an aperture module provided above the lens module and including blades that form incident holes having different sizes in multiple stages or successively, a moving part configured to linearly reciprocate to drive the blades, including a driving magnet facing a driving coil, a position sensor configured to sense a position of the moving part according to interaction with the driving magnet, and a controller configured to receive a signal from the position sensor and confirm or correct the position of the moving part.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 20, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kyung Hun Lee, Jae Kyung Kim, Bo Sung Seo, Sang Joon Kim, Sung Ryung Park, Ho Young Joo, Sang Eun Park, Hwan Jun Kang
  • Patent number: 10807999
    Abstract: The present invention relates to a siloxane monomer used in the production of a silicone hydrogel lens, a composition for the preparation of a lens containing the same, and a silicone hydrogel lens prepared from the same, wherein the silicone hydrogel lens according to the present invention has a feature of easy release from a component of a mold.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: October 20, 2020
    Assignee: INTEROJO INC.
    Inventors: Sang Il Hyun, Soo Chang Lee, Kyung Hee Oh, Dong Hun Shin