Patents by Inventor Sang Wook Lee

Sang Wook 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).

  • Patent number: 10818916
    Abstract: Provided are a positive electrode active material for a secondary battery which may exhibit excellent capacity and life characteristics when used in the battery by including a core, and a surface treatment layer disposed on a surface of the core, wherein the core is a secondary particle including a plurality of primary particles, the primary particles include a polycrystalline lithium composite metal oxide of Formula 1 having an average grain diameter of 50 nm to 200 nm, and the surface treatment layer includes a lithium oxide including lithium and at least one metal selected from the group consisting of boron (B), tungsten (W), hafnium (Hf), niobium (Nb), tantalum (Ta), molybdenum (Mo), silicon (Si), tin (Sn), and zirconium (Zr), and a secondary battery including the same, LiaNi1-x-yCoxM1yM3zM2wO2??[Formula 1] (in Formula 1, M1, M2, M3, a, x, y, z, and w are the same as those defined in the specification).
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: October 27, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Ju Kyung Shin, Wang Mo Jung, Byung Chun Park, Ji Hoon Ryu, Sang Min Park, Sang Wook Lee
  • Patent number: 10818522
    Abstract: Disclosed are a supercritical process chamber and an apparatus having the same. The process chamber includes a body frame having a protrusion protruding in an upward vertical direction from a first surface of the body frame and a recess defined by the protrusion and the first surface of the body frame; a cover frame; a buffer chamber arranged between the body frame and the cover frame; and a connector. The buffer chamber includes an inner vessel detachably coupled to the body frame providing a chamber space in the recess and an inner cover detachably coupled to the cover frame. The inner cover is in contact with a first surface of the inner vessel enclosing the chamber space from surroundings. The connector couples the body frame and the cover frame having the buffer chamber arranged therebetween such that the enclosed chamber space is transformed into a process space in which the supercritical process is performed.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Jine Park, Byung-Kwon Cho, Yong-Jhin Cho, Yong-Sun Ko, Yeon-Jin Gil, Kwang-Wook Lee
  • Patent number: 10814840
    Abstract: An apparatus includes a front detection sensor detecting presence of a pedestrian on a driving lane of the vehicle, gaze information of the pedestrian, and a distance and a relative speed between the pedestrian and the vehicle; a vehicle sensor detecting at least one of a speed, an acceleration, a steering angle, a steering angular velocity, or a pressure of a master cylinder of the vehicle; an electronic control unit activating a function of a pedestrian detection and collision mitigation system based on information detected by the front detection sensor and the vehicle sensor; and a warning unit operated to inform a driver of a collision of the pedestrian with the vehicle by controlling the electronic control unit.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: October 27, 2020
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Yoon Soo Kim, Suk Ki Min, Dong Hyun Sung, In Yong Jung, Seung Wook Park, Sang Min Lee, Kang Hoon Lee, Wan Jae Lee, Tae Young Lee, Min Byeong Lee, Eung Seo Kim, Yong Seok Kwon
  • Publication number: 20200335794
    Abstract: A conductive material, and a method for preparing the same are provided. The conductive material has a structure where a plurality of graphene sheets are interconnected, wherein an oxygen content is 1 wt % or higher based on the total weight of the conductive material, and a D/G peak ratio is 2.0 or less when the Raman spectrum is measured.
    Type: Application
    Filed: February 1, 2019
    Publication date: October 22, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Tae Gon Kim, Seul ki Kim, Wang Mo Jung, Sang Wook Lee
  • Publication number: 20200337129
    Abstract: An LED lighting apparatus capable of color temperature control includes a color temperature controller to receive a color temperature selection signal and output first and second control signals; a LED driver connected a plurality of LED groups; and a LED selection circuit including a first switch connected to a first node to which a rectified voltage is applied and receiving the first control signal, a first LED group selectively connected to the first node by the first switch, a second LED group connected in scales with the first LED group, a third LED group selectively connected to the first node by the first switch, a fourth LED group connected in series with the third LED group, and a second switch for selectively connecting the output terminal of the second LED group or the fourth LED group to the LED driver by receiving the second control signal.
    Type: Application
    Filed: June 2, 2020
    Publication date: October 22, 2020
    Inventors: Keith HOPWOOD, Sung Ho JIN, Hyung Jin LEE, Sang Wook HAN
  • Patent number: 10811896
    Abstract: A wireless power transmitter includes: an antenna for transmitting a plurality of detection powers, each of which includes direction information, in a plurality of directions, respectively; a communication circuit for receiving a communication signal including first direction information included in a first detection power from an electronic device which receives the first detection power among the plurality of detection powers; and a processor for controlling to transmit power for charging based on the first direction information included in the communication signal.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: October 20, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-Woo Lee, Sang-Wook Kwon
  • Patent number: 10811478
    Abstract: An organic light-emitting diode display device includes a pixel electrode, a pixel-defining layer, an organic emission layer, and a counter electrode. The pixel-defining layer includes an opening partially exposing the pixel electrode. The organic emission layer is disposed on the pixel electrode. The organic emission layer is disposed in the opening. The counter electrode is disposed on the organic emission layer. The counter electrode opposes the pixel electrode. The pixel-defining layer includes a first pixel-defining layer and a second pixel-defining layer. The first pixel-defining layer is disposed on the pixel electrode and includes an inorganic material. The second pixel-defining layer is disposed on the first pixel-defining layer and includes an organic material. A sidewall of the first pixel-defining layer that is closest to the opening is aligned with a sidewall of the second pixel-defining layer that is closest to the opening.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: October 20, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Won Choi, Tae Wook Kang, Kyeong Su Ko, Sang Gab Kim, Tae Sung Kim, Joon Geol Lee, Hyun Min Cho
  • Publication number: 20200328256
    Abstract: A display device includes a first base member having a first light-emitting area, a second light-emitting area, and a non-light-emitting area between the first and second light-emitting areas; a second base member on the first base member; a first color filter on a first surface of the second base member that faces the first base member and overlapping with the first light-emitting area; a second color filter on the first surface of the second base member and overlapping with the second light-emitting area; a color pattern on the first surface of the second base member, between the first and second color filters, and overlapping with the non-light-emitting area; a light-shielding member on the color pattern and overlapping with the non-light-emitting area; and a first wavelength conversion pattern on the second color filter and including a first wavelength shifter.
    Type: Application
    Filed: January 13, 2020
    Publication date: October 15, 2020
    Inventors: Young Hee LEE, Hyun Shik LEE, Seung Wook CHANG, Byoung Seong JEONG, Sang Woo PYO, Jae Hoon HWANG, Ji Hwan YOON
  • Publication number: 20200328422
    Abstract: Disclosed is a rapidly rechargeable lithium secondary battery. The present invention provides a negative electrode for a lithium secondary battery, the negative electrode being characterized by including: a current collector; a negative electrode material layer which is formed on the current collector and includes negative electrode active material particles, conductive material particles, and a binder; and a surface layer which is formed on the surface of the negative electrode material layer, is formed of insulating particles that are inert with respect to lithium, and partially shields the negative electrode material layer. According to the present invention, a negative electrode for a lithium secondary battery having a high charging speed without lifetime degradation can be provided.
    Type: Application
    Filed: November 2, 2018
    Publication date: October 15, 2020
    Inventors: Jeong Hee CHOI, Sang Min LEE, Min Ho LEE, Cheol Ho LEE, Jong Wook BAE
  • Publication number: 20200321528
    Abstract: Provided are a method for manufacturing an electronic device capable of efficiently utilizing a material and a method for removing impurities using the same.
    Type: Application
    Filed: March 9, 2018
    Publication date: October 8, 2020
    Inventors: Sang Wook LEE, Dong Hoon SHIN
  • Patent number: 10798761
    Abstract: A method for establishing a plurality of protocol data unit (PDU) sessions between a user equipment (UE) and a data network (DN) by the UE may comprise transmitting a message to establish the plurality of PDU sessions to at least one network function (NF) of a plurality of NFs, exchanging a signal to establish the plurality of PDU sessions among the UE, a radio access network (RAN), and the plurality of NFs based on the message, and establishing the plurality of PDU sessions between the UE and the DN according to predetermined priority and based on the signal, wherein each of the plurality of PDU sessions corresponds to a network slice (NS) for a particular service, wherein the message includes information about the particular service corresponding to the plurality of PDU sessions, and wherein the priority is determined based on the information about the particular service.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: October 6, 2020
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Young-Kyo Baek, Jung-Je Son, Sung-Hoon Kim, Sang-Heon Pack, Ho-Yeon Lee, Han-Eul Ko, Won-Jun Lee, Cheng Long Shao, Jae-Wook Lee, Hee-Jun Roh, Tae-Kyung Kim, Sun-Jae Kim
  • Publication number: 20200314307
    Abstract: A camera module includes a PCB (Printed Circuit Board) installed with an image sensor, a base mounted on the PCB, and a bobbin reciprocatingly mounted above the base. A bottom elastic member is fixed to the base to support the bobbin, and a terminal is installed at the base, one end of which is conductively connected to the PCB and the other end of which is conductively connected to the bottom elastic member at a solder part. A solder cut-off part is formed at the base to cut off movement of overflowing solder from the solder part.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 1, 2020
    Inventors: Sang Ok PARK, Seong Min LEE, Jun Taek LEE, Byung Wook SON
  • Patent number: 10791597
    Abstract: An LED lighting apparatus capable of color temperature control includes a color temperature controller to receive a color temperature selection signal and output first and second control signals; a LED driver connected a plurality of LED groups; and a LED selection circuit including a first switch connected to a first node to which a rectified voltage is applied and receiving the first control signal, a first LED group selectively connected to the first node by the first switch, a second LED group connected in series with the first LED group, a third LED group selectively connected to the first node by the first switch, a fourth LED group connected in series with the third LED group, and a second switch for selectively connecting the output terminal of the second LED group or the fourth LED group to the LED driver by receiving the second control signal.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: September 29, 2020
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Keith Hopwood, Sung Ho Jin, Hyung Jin Lee, Sang Wook Han
  • Publication number: 20200301541
    Abstract: A touch sensing device includes a base layer, a touch electrode layer, a first reinforcing member, and a touch circuit board. The base layer includes a main area and a protruding area protruding from the main area in a first direction. The touch electrode layer is disposed on a surface of the base layer. The first reinforcing member is disposed on a surface of the protruding area. The touch circuit board is electrically connected to the touch electrode layer. The protruding area includes a bending area and a pad area. The bending area is bent downward. The pad area extends from the bending area in the first direction and overlaps the base layer in a second direction intersecting the first direction in a bent state of the bending area. The touch circuit board is attached to the pad area.
    Type: Application
    Filed: December 9, 2019
    Publication date: September 24, 2020
    Inventors: Byeong Kyu JEON, Jeong Heon LEE, Chang Bum KIM, Jung Mok PARK, Hee Woong PARK, Sang Wook YOO, Young Seok YOO, Choon Hyop LEE
  • Publication number: 20200301097
    Abstract: A lens driving device is provided, including: a cover member; a bobbin installed with at least one lens and having a coil unit arranged on an outer circumferential surface of the bobbin; a magnet arranged at a positon corresponding to that of the coil unit; first and second elastic members, where one end of each of the first and second elastic members may be respectively coupled to an upper surface and a lower surface of the bobbin and supporting movement of the bobbin in an optical axis direction; a detection unit configured to detect movement of the bobbin in a direction parallel to the optical axis direction; a damping member arranged at a connecting portion between the bobbin and the first elastic member; and a support unit provided at at least one of the bobbin and the first elastic member and maintaining an arranged position of the damping member.
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Inventors: Sang Ok PARK, Seong Min LEE, Jun Taek LEE, Byung Wook SON, Sang Jun MIN, Kyoung Ho YOO
  • Publication number: 20200304746
    Abstract: A remote control device and a control method thereof are provided. The remote control device for controlling an external display apparatus includes: a communication unit configured to communicate with the external display apparatus; a sensor configured to detect a state of the remote control device; a display; and a processor configured to receive information on a content currently displayed by the external display apparatus through the communication unit, and to control the display to display a UI including a plurality of UI elements for controlling the external display apparatus, based on the information on the content and the state of the remote control device.
    Type: Application
    Filed: September 12, 2018
    Publication date: September 24, 2020
    Inventors: Hyo-seung PARK, Min-hyung KIM, Ga-min PARK, So-yon YOU, Sang-joon LEE, Jun-woo LEE, Kyung-hwa JUNG, Seong-wook JEONG
  • Patent number: 10779766
    Abstract: A wearable measurement apparatus capable of measuring a biometric signal is provided. The wearable measurement apparatus includes a main body, and a main-body elastic part disposed on a bottom surface of the main body, and configured to elastically support the main body against a body part of a user. The wearable measurement apparatus further includes a biometric signal sensor disposed apart from the main-body elastic part, and configured to detect a biometric signal from the body part, and a sensor elastic part interposed between the main body and the biometric signal sensor, and configured to form a step difference between a bottom surface of the biometric signal sensor and a bottom surface of the main-body elastic part, and elastically support the biometric signal sensor against the main body.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung Hoon Ko, Yong Joo Kwon, Youn Ho Kim, Sang Yun Park, Jin Hyun Yun, Jong Wook Lee, Chang Mok Choi
  • Patent number: 10784706
    Abstract: A wireless power transmitter configured to wirelessly transmit power to an electronic device is provided.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: September 22, 2020
    Assignees: Samsung Electronics Co., Ltd., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Chong-Min Lee, Seong-Cheol Kim, Dae-Hyun Kim, Sang-Wook Lee, Young-Ho Ryu, Byeong-Ho Lee, Seong-Wook Lee, Young-Jun Yoon
  • Publication number: 20200288995
    Abstract: An apparatus for measuring bio-information may include: a pulse wave sensor comprising at least one pair of light emitters which are disposed apart from each other and a light receiver disposed between the at least one pair of light emitters, and configured to measure a plurality of pulse wave signals from an object by using the light receiver and the at least one pair of light emitters; a force sensor configured to measure a contact force that is applied to the pulse wave sensor by the object; and a processor configured to generate an integrated pulse wave signal by integrating the plurality of pulse wave signals based on the contact force and an area of a contact surface of the pulse wave sensor, and estimate bio-information of the object based on the integrated pulse wave signal.
    Type: Application
    Filed: January 13, 2020
    Publication date: September 17, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jeong Eun HWANG, Byung Hoon KO, Chang Mok CHOI, Sang Yun PARK, Jong Wook LEE
  • Publication number: 20200287714
    Abstract: This specification discloses a quantum public-key cryptosystem. The quantum public-key cryptosystem may use two rotation operators R{circumflex over (n)}(?) and R{circumflex over (m)}(?) satisfying a cyclic evolution. The two rotation operators R{circumflex over (n)}(?) and R{circumflex over (m)}(?) do not have a commutation relation or an anti-commutation relation with each other. The commutation relation or the anti-commutation relation is established when either of the following conditions is satisfied: ?=2i?, ?=2j?, or {circumflex over (n)}·{circumflex over (m)}=1 (i, j=integer), and ?=(2k+1)?, ?=(2l+1)?, or {circumflex over (n)}·{circumflex over (m)}=0 (k, l=integer).
    Type: Application
    Filed: January 10, 2020
    Publication date: September 10, 2020
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Wook HAN, Sung Wook MOON, Yong Su KIM, Sang Yun LEE, Young Wook CHO, Min Sung KANG, Ji Woong CHOI