Patents by Inventor Won Han

Won Han 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: 20210066543
    Abstract: A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.
    Type: Application
    Filed: August 20, 2020
    Publication date: March 4, 2021
    Inventors: Yong Seok HAN, Sung Woo KIM, Jin A KIM, Tae Hyung KIM, Kun Su PARK, Yuho WON, Jeong Hee LEE, Eun Joo JANG, Hyo Sook JANG
  • Publication number: 20210062087
    Abstract: A quantum dot including a core comprising a first semiconductor nanocrystal including a zinc chalcogenide and a semiconductor nanocrystal shell disposed on the surface of the core and comprising zinc, selenium, and sulfur. The quantum dot does not comprise cadmium, emits blue light, and may exhibit a digital diffraction pattern obtained by a Fast Fourier Transform of a transmission electron microscopic image including a (100) facet of a zinc blende structure. In an X-ray diffraction spectrum of the quantum dot, a ratio of a defect peak area with respect to a peak area of a zinc blende crystal structure is less than about 0.8:1. A method of producing the quantum dot, and an electroluminescent device including the quantum dot are also disclosed.
    Type: Application
    Filed: August 31, 2020
    Publication date: March 4, 2021
    Inventors: Sung Woo KIM, Jin A KIM, Tae Hyung KIM, Kun Su PARK, Yuho WON, Jeong Hee LEE, Eun Joo JANG, Hyo Sook JANG, Yong Seok HAN, Heejae CHUNG
  • Patent number: 10939321
    Abstract: Technology for a user equipment (UE) operable to determine a transport block size (TBS) is disclosed. The UE can determine a number of assigned resource elements (REs) in one or more symbols for a transport block. The UE can determine a reference number of REs per physical resource block (PRB) in the transport block based on a reference number of REs for the transport block corresponding to each PRB and an assigned number of PRBs for the transport block. The UE can determine a TBS for the transport block based at least on the reference number of REs per PRB in the transport block. The UE can encode information in a selected transport block for transmission via a physical uplink shared channel (PUSCH) to a Next Generation NodeB (gNB) in accordance with the TBS determined at the UE.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: March 2, 2021
    Assignee: APPLE INC.
    Inventors: Alexei Davydov, Seung Hee Han, Debdeep Chatterjee, Hong He, Gregory V. Morozov, Ajit Nimbalker, Fatemeh Hamidi-Sepehr, Dae Won Lee, Yongjun Kwak
  • Patent number: 10935192
    Abstract: A tube-shaped LED lighting device including: a substrate; a light emitting device mounted on the substrate; a heat sink having one surface on which the substrate is seated, and opposite side surfaces including a groove portion; a cover to receive the heat sink, the substrate, and the light emitting device therein, and including an overhang protruding from an inner wall of the cover to be inserted into the groove portion; and a base coupled to an end of the cover, in which the heat sink includes a substrate holding portion surrounding opposite sides of the substrate.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: March 2, 2021
    Assignee: Seoul Viosys Co., Ltd.
    Inventor: Kyu Won Han
  • Patent number: 10931322
    Abstract: An example operation method for an electronic device having a plurality of antennas including a first antenna and a second antenna is disclosed. According to one embodiment, the operation method for an electronic device can comprise the steps of: communicating with a first external electronic device through the first antenna and the second antenna based on a first communication scheme during a first period; and communicating with the first external electronic device through the first antenna based on the first communication scheme, and with a second external electronic device through the second antenna based on a second communication scheme, during a second period.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-Soon Lim, Woo-Jin Park, Dae-Hyun Ban, Kyu-Haeng Lee, Seong-Won Han
  • Patent number: 10923384
    Abstract: An apparatus for transferring a substrate includes a hand on which the substrate is placed, and the hand includes an outer support member that supports a first region of the substrate and has a pair of outer fingers, an inner support member that supports a second region of the substrate that is closer to the center of the substrate than the first region, the inner support member having a pair of inner fingers located inward of the pair of outer fingers, and a central recess formed in a region between the pair of inner fingers of the inner support member, the region corresponding to the center of the substrate placed on the hand and the central recess being open toward a front side.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: February 16, 2021
    Assignee: SEMES CO., LTD.
    Inventors: Tae Kyung Kong, Ki Won Han, Min Je Lee
  • Patent number: 10918250
    Abstract: A robot vacuum cleaner that may increase cleaning efficiency around obstacles includes a main body having an intake to suck in dust and air while the main body is driven on a floor, a shutter installed in front of the intake to be able to move from the main body toward the floor, and a shutter driver configured to supply power to move the shutter.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byoung In Lee, Young Ho Ko, Ji Won Choi, Hak Bong Lee, Seung Il Han, Myeong Ho Kim
  • Patent number: 10918156
    Abstract: Disclosed in an embodiment is a pressure detection sensor comprising: an elastic layer including a hole; and an electrode layer including a plurality of electrodes arranged on the elastic layer so as to be spaced apart, wherein the elastic layer includes a variable member arranged in the hole, the plurality of electrodes are electrically connected to each other by outside pressure, and at least one of the plurality of electrodes covers a part of the hole.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: February 16, 2021
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyun Jin Jo, Won Keun Cho, Jeong Han Kim, Soo Min Lee, Ji Na Lee, In Hee Cho, Sang A Ju
  • Publication number: 20210040387
    Abstract: A method of preparing a quantum dot nanoparticle is disclosed. The method includes the step of reacting one or more cation precursors including one or more of Groups 12 and 13 elements with one or more anion precursors including one or more of Group 15 elements to prepare a quantum dot nanoparticle, wherein the reaction of the cation precursors and the anion precursors is carried out while supplying a compound represented by Chemical Formula 1. A quantum dot nanoparticle prepared by the preparation method, a quantum dot nanoparticle having a core-shell structure containing the quantum dot nanoparticle as a core, and a light emitting element comprising the quantum dot nanoparticle having a core-shell structure are also disclosed.
    Type: Application
    Filed: July 29, 2020
    Publication date: February 11, 2021
    Applicants: SHIN-A T&C, UNIAM
    Inventors: Seung Mo Hong, Jin Han Song, Hyeok Jin Hong, Seok Kyu Park, Ju Young Lee, In Won Lee
  • Patent number: 10915633
    Abstract: A method and an apparatus for device security verification utilizing a virtual trusted computing base are provided. The validity of a key for decryption is verified by a secure memory loader running on a processor of a device after booting of the device which is a computing device, and if the key is valid, encrypted firmware stored in a memory of the device is decrypted using the key to verify the confidentiality of the firmware. Then, the security memory loader verifies the authentication and integrity of the firmware by comparing a signature value generated for the decrypted firmware with an existing signature value.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: February 9, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong Hyuk Moon, Dae Won Kim, Young Sae Kim, Seung Yong Yoon, Jin Hee Han, Jeong Nyeo Kim, Jae Deok Lim
  • Patent number: 10915785
    Abstract: A sensor pixel includes a sensor electrode, a first transistor including a gate electrode connected to the sensor electrode and which controls a current output provided to an output line, a second transistor connected to a first voltage line and a first transistor, a third transistor connected to the first transistor and the output line, and a compensator unit which compensates a threshold voltage of the first transistor.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: February 9, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Seo Kim, Jae Kyoung Kim, Won Sang Park, Byeong Hee Won, Byung Han Yoo
  • Publication number: 20210036683
    Abstract: A bulk-acoustic wave resonator includes: a substrate; a lower electrode disposed on the substrate; a piezoelectric layer at least partially covering the lower electrode; and an upper electrode at least partially covering the piezoelectric layer. On a surface of the bulk-acoustic wave resonator, a centroid of an active area in which the lower electrode, the piezoelectric layer, and the upper electrode all overlap each other is aligned with a center of a rectangle defining an aspect ratio of the active area. The active area has a shape of a polygon symmetrical with respect to at least one axis passing through the center of the rectangle defining the aspect ratio. The aspect ratio is greater than or equal to 2 and less than or equal to 10.
    Type: Application
    Filed: June 11, 2020
    Publication date: February 4, 2021
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won HAN, Sung Wook KIM, Dae Hun JEONG, Sang Uk SON, Sang Heon HAN, Jeong Hoon RYOU
  • Publication number: 20210032512
    Abstract: An adhesive film and a display member including the same are disclosed. The adhesive film is formed of an adhesive composition including: a copolymer of a monomer mixture including a hydroxyl group-containing (meth)acrylate and a comonomer; and nanoparticles. The adhesive film has a creep at ?20° C. of about 50 ?m to about 100 ?m and a gel fraction of about 50% to about 75%.
    Type: Application
    Filed: October 12, 2020
    Publication date: February 4, 2021
    Inventors: Ik Hwan Cho, Ji Ho Kim, Jee Hee Kim, Ji Won Kang, Byeong Do Kwak, Yong Tae Kim, Il Jin Kim, Sung Hyun Mun, Hyung Rang Moon, Seon Hee Shin, Gwang Hwan Lee, Woo Jin Lee, Jae Hyun Han
  • Patent number: 10910242
    Abstract: A temperature controller for semiconductor fabrication comprises a lower chiller connected with a lower chamber of a processing chamber and configured to adjust a temperature of the lower chamber, an electrostatic chuck disposed in the lower chamber and an upper chiller connected with an upper chamber of the processing chamber and configured to adjust a temperature of the upper chamber, a heater disposed in the upper chamber. In the temperature controller for semiconductor fabrication, the three-way valve may be installed on the cooling fluid supplying pipe, and the bypass pipe may be installed between the three-way valve and the cooling fluid collecting pipe to reduce the degree of bypass opening of the three-way valve.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: February 2, 2021
    Inventors: Yong Kyun Lim, Cheol Won Jang, Min Jin Han, Jae Geon Kim
  • Patent number: 10908453
    Abstract: A display device includes a first substrate, a first wavelength conversion layer and a second wavelength conversion layer disposed on the first substrate and spaced apart from each other, and a polarization layer disposed on the first wavelength conversion layer and the second wavelength conversion layer, the polarization layer including a reflection portion and a transmitting portion, in which the reflection portion overlaps a gap formed between the first wavelength conversion layer and the second wavelength conversion layer.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kang Soo Han, Yun Jong Yeo, Dong Uk Kim, Hyun Min Cho, Hyung Bin Cho, Ji Hun Kim, Sung Won Cho, Young Min Kim, Hae Il Park, Seung Jin Baek, Dae Young Lee, Kun Hee Jo, Gug Rae Jo
  • Patent number: 10903814
    Abstract: A bulk acoustic wave resonator includes a membrane layer, together with a substrate, forming a cavity, a lower electrode disposed on the membrane layer, a piezoelectric layer disposed on a flat surface of the lower electrode and an upper electrode covering a portion of the piezoelectric layer. An overall region at a side of the piezoelectric layer is exposed to the air. The side of the piezoelectric layer has a gradient of 65° to 90° with respect to a top surface of the lower electrode.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: January 26, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Won Han, Chang Hyun Lim, Yong Suk Kim, Seung Hun Han, Sung Jun Lee, Sang Kee Yoon, Tae Yoon Kim
  • Patent number: 10903447
    Abstract: A display device is provided. The display device includes a display panel including first and second display substrates that face each other, having an overlap area in which the first and second display substrates overlap with each other, and having a protruding area on one side of the overlap area, a sealing member between the first and second display substrates along edges of the overlap area, and at least one chamfered portion including a first chamfered portion, which is formed on at least one side of the protruding area, and a second chamfered portion, which is formed on the overlap area and adjacent to the first chamfered portion, wherein in the second chamfered portion, an end of the first display substrate is positioned beyond an end of the second display substrate.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: January 26, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Hwang, Yong Kyu Jang, Jae Kyung Go, Dong Jo Kim, Young Min Kim, Chan Young Park, Dong Won Han
  • Publication number: 20210013382
    Abstract: A light conversion film is disclosed. The light conversion film includes a first transparent support layer and a second transparent support layer are formed on upper and lower surfaces of a quantum dot layer, respectively. The quantum dot layer contains 0.4 to 2.0% by weight of quantum dot particles containing 5% by weight or more and less than 35% by weight of cadmium; 0.05 to 0.75% by weight of cadmium-free quantum dot particles; 0.1 to 10% by weight of scattering agent; and 75 to 98% by weight of matrix material, based on the total weight of the quantum dot layer. A backlight unit for a display device including the light conversion film is disclosed.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 14, 2021
    Applicants: SHIN-A T&C, UNIAM
    Inventors: Seung Mo HONG, Jin Han SONG, Hyeok Jin HONG, In Won LEE
  • Patent number: 10889503
    Abstract: The present invention relates to zeolite containing Cu2+ (?) and Cu2+ (?) having different NO adsorption capacities loaded at a specific ratio, wherein the zeolite is chabazite (CHA)-type zeolite, particularly chabazite (CHA)-type zeolite loaded with divalent copper ions in which the NO adsorption area ratio of Cu2+ (?)/Cu2+ (?) after exposure to NO (nitrogen oxide) for 180 sec is 80% or more. In addition, the present invention relates to a method of preparing zeolite that is ion-exchanged in a slurry state and to a catalyst including the specified chabazite (CHA)-type zeolite.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: January 12, 2021
    Assignee: HEESUNG CATALYSTS CORPORATION
    Inventors: Mi-young Kim, Jin-won Kim, Yong Sul Kim, Eun-seok Kim, Seung Chul Na, Hyun-sik Han
  • Patent number: 10893144
    Abstract: An electronic apparatus mounted on a vehicle is provided. The electronic apparatus according to an example embodiment includes a communicator comprising communication circuitry configured to communicate with an external device, an application processor (AP), and a micro controller unit (MCU) comprising a micro controller configured to turn on a power source of the AP in response to a communication connection request being received from the external device in a state in which the power source of the AP is turned off, wherein the AP, in response to a control command being received from the external device after the power source is turned on, is configured to provide telematics service according to the received control command.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: January 12, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-haeng Lee, Sangsoon Lim, Woo-jin Park, Dae-hyun Ban, Seong-won Han