Patents by Inventor Daewon Lee

Daewon 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: 20200219907
    Abstract: A display device includes a flexible substrate, a buffer layer on the flexible substrate and including an inorganic material, a display area including a plurality of pixels on the buffer layer and each including a pixel circuit including a first thin film transistor (TFT), a second TFT, and a storage capacitor and a display device connected to the pixel circuit, and a non-display area that is adjacent to the display area. The flexible substrate includes at least one base layer, at least one inorganic barrier layer, and a shielding layer including a portion having a certain area and an opening adjacent to the portion.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Inventors: Daewon LEE, Hyesong KWUN, Kyongtae PARK, Donghoon JEONG, Kyusik CHO
  • Patent number: 10708030
    Abstract: A method of generating a reference signal includes acquiring a base sequence and acquiring a reference signal sequence with a length N from the base sequence. Good PAPR/CM characteristics of the reference signal can be kept to enhance performance of data demodulation or uplink scheduling.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: July 7, 2020
    Assignee: Optis Cellular Technology, LLC
    Inventors: Seung Hee Han, Minseok Noh, Daewon Lee
  • Publication number: 20200213172
    Abstract: In wireless communications for multi-users, an access point may transmit a first trigger frame to one or more stations. The first trigger frame may be for scheduling a first uplink multi-user transmission and may indicate a plurality of resources for indicating existence of data to be sent to the access point. The station(s) may process the first trigger frame received from the access point. In response to the first trigger frame, the station(s) may generate and transmit a respective first uplink frame to the access point. In some cases, the first uplink frame(s) from the station(s) does not have a data field and does have a signal indicating existence of data to be sent from the station(s) to the access point. The signal may be sent using a resource(s) of the plurality of resources. Other methods, apparatus, and computer-readable media are also disclosed.
    Type: Application
    Filed: March 12, 2020
    Publication date: July 2, 2020
    Inventors: Daewon LEE, Sungho MOON, Ahmad Reza HEDAYAT, Yujin NOH
  • Publication number: 20200186141
    Abstract: A power device includes a first transistor circuit configured to operate in response to a first control signal, a control circuit configured to generate a second control signal in response to the first control signal, and a second transistor circuit configured to operate in response to the second control signal. The second transistor circuit has an active area that is larger than an active area of the first transistor circuit.
    Type: Application
    Filed: December 11, 2018
    Publication date: June 11, 2020
    Applicant: SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC
    Inventors: Sangsu WOO, Jongho PARK, SangYong LEE, SeWoon KIM, Daewon KIM, Wontae LEE
  • Patent number: 10681680
    Abstract: The present invention relates to a wireless communication system, and more specifically, to a method and a device for communicating device-to-device. The method for a first device to transmit a signal to a second device according to one embodiment of the present invention enables the first device to request to a base station a resource allocation for transmitting the signal to the second device, receive from the base station scheduling information for transmitting the signal to the second device, and the signal can be transmitted from the first device to the second device on the basis of the scheduling information, wherein the scheduling information includes information on an uplink resource for transmitting the signal from the first device to the second device.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: June 9, 2020
    Assignee: LG Electronics Inc.
    Inventors: Hanbyul Seo, Daewon Lee, Byounghoon Kim
  • Publication number: 20200178350
    Abstract: Techniques discussed herein can facilitate power ramping of PRACH (Physical Random Access Channel), for example, in connection with change of best gNB (next generation Node B) Tx (Transmit) beam and/or dynamic beam switching for control and/or data channels. Power ramping techniques discussed herein can comprise techniques for determining at least one of a power ramping counter or power offset for PRACH in connection with a change in best DL (Downlink) Tx (Transmit) beam. Dynamic beam switching techniques discussed herein can comprise employing DCI comprising at least one beam indication field indicating a beam index of a new beam of a BPL (Beam Pair Link) for at least one of a data channel or a control SS (Search Space).
    Type: Application
    Filed: August 8, 2018
    Publication date: June 4, 2020
    Inventors: Honglei Miao, Yushu Zhang, Yongjun Kwak, Daewon Lee, Gregory V Morozov, Seung Hee Han
  • Patent number: 10673975
    Abstract: A content streaming service method for reducing communication cost and a system therefore are provided. The method includes receiving, by an electronic device, a file of content in a streaming scheme from a server through a network, and reproducing the content through an application driven in the electronic device, storing, by the electronic device, the received file in a local storage, generating, by the electronic device, a local server, the local server configured to operate in association with a memory of the electronic device, retrieving, by the electronic device, the file stored in the local storage according to the streaming scheme through the local server, and re-reproducing the content through the application.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: June 2, 2020
    Assignee: LINE Corporation
    Inventors: Sang Min Chung, DaeWon Ryu, JeeHong Lee, Cheol-Won Oh, Eunjin Joo
  • Patent number: 10652001
    Abstract: A method of a first cell for supporting a downlink channel demodulation at a user equipment, includes receiving, from a second cell, Multicast/Broadcast over Single Frequency Network (MBSFN) subframe configuration information for the second cell; and transmitting, by the first cell to the user equipment via a higher layer signaling, information on a Cell-specific Reference Signal (CRS) of the second cell including the MBSFN subframe configuration information of the second cell, wherein the information on the CRS of the second cell is used by the user equipment to mitigate the inter-cell interference from the CRS of the second cell.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: May 12, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hanbyul Seo, Hakseong Kim, Inkwon Seo, Byounghoon Kim, Kijun Kim, Daewon Lee
  • Publication number: 20200145972
    Abstract: Methods, systems, and storage media are described for monitoring downlink control information (DCI). In particular, some embodiments may be directed to monitoring DCI for an indication of channel occupancy time (COT) information. Other embodiments may be described and/or claimed.
    Type: Application
    Filed: January 9, 2020
    Publication date: May 7, 2020
    Inventors: Yongjun Kwak, Bishwarup Mondal, Daewon Lee, Hwan-Joon Kwon, Lopamudra Kundu, Hong He
  • Patent number: 10644265
    Abstract: An organic light emitting display device has an optical multilayer film on an organic light emitting diode. The organic light emitting display device includes an organic light emitting element with a cathode, an anode, and an organic light emitting layer, and an optical multilayer film on the organic light emitting element. The optical multilayer film is constructed such that a full width at half maximum of light emitted from the organic light emitting element is larger than a full width at half maximum of light emitted from a structure in which the optical multilayer film is not used. The color shift depending on a viewing angle of the organic light emitting display device may be reduced to improve efficiency of the organic light emitting element.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: May 5, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Seonghee Noh, YoungNam Lim, SangHo Lee, DaeWon Ryu
  • Publication number: 20200126957
    Abstract: Disclosed is a method for fabricating an LED module. The method includes: constructing a chip-on-carrier including a chip retainer having a horizontal bonding plane and a plurality of LED chips in which electrode pads are bonded to the bonding plane of the chip retainer; and transferring the plurality of LED chips in a predetermined arrangement from the chip retainer to a substrate by transfer printing. The transfer printing includes: primarily section-wise exposing a transfer tape to reduce the adhesive strength of the transfer tape such that bonding areas are formed at predetermined intervals on the transfer tape; and pressurizing the transfer tape against the LED chips on the chip retainer to attach the LED chips to the corresponding bonding areas of the transfer tape and detaching the electrode pads of the LED chips from the chip retainer to pick up the chips.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 23, 2020
    Applicant: LUMENS CO., LTD.
    Inventors: Taekyung YOO, Daewon KIM, Jinmo KIM, Jinwon CHOI, Jimin HER, Younghwan SHIN, Sol HAN, Kyujin LEE
  • Patent number: 10630519
    Abstract: In wireless communications for multi-users, an access point may transmit a first trigger frame to one or more stations. The first trigger frame may be for scheduling a first uplink multi-user transmission and may indicate a plurality of resources for indicating existence of data to be sent to the access point. The station(s) may process the first trigger frame received from the access point. In response to the first trigger frame, the station(s) may generate and transmit a respective first uplink frame to the access point. In some cases, the first uplink frame(s) from the station(s) does not have a data field and does have a signal indicating existence of data to be sent from the station(s) to the access point. The signal may be sent using a resource(s) of the plurality of resources. Other methods, apparatus, and computer-readable media are also disclosed.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: April 21, 2020
    Assignee: Newracom, Inc.
    Inventors: Daewon Lee, Sungho Moon, Ahmad Reza Hedayat, Yujin Noh
  • Patent number: 10600824
    Abstract: A display device includes a flexible substrate, a buffer layer on the flexible substrate and including an inorganic material, a display area including a plurality of pixels on the buffer layer and each including a pixel circuit including a first thin film transistor (TFT), a second TFT, and a storage capacitor and a display device connected to the pixel circuit, and a non-display area that is adjacent to the display area. The flexible substrate includes at least one base layer, at least one inorganic barrier layer, and a shielding layer including a portion having a certain area and an opening adjacent to the portion.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: March 24, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Daewon Lee, Hyesong Kwun, Kyongtae Park, Donghoon Jeong, Kyusik Cho
  • Publication number: 20200083229
    Abstract: Disclosed are a semiconductor memory device and a method of fabricating the same. The device may include a first substrate comprising a cell array region, a first interlayer insulating layer covering the first substrate, a second substrate disposed on the first interlayer insulating layer, the second substrate including a core region electrically connected to the cell array region, a first adhesive insulating layer interposed between the first interlayer insulating layer and the second substrate, and contact plugs penetrating the second substrate, the first adhesive insulating layer, and the first interlayer insulating layer and electrically connecting the cell array region with the core region.
    Type: Application
    Filed: July 24, 2019
    Publication date: March 12, 2020
    Inventors: JIYOUNG KIM, DAEWON KIM, DONGJIN LEE
  • Patent number: 10574333
    Abstract: A method for receiving a relay physical downlink control channel (R-PDCCH) at a relay in a wireless communication system is discussed. The method according to one embodiment includes receiving first control information for downlink scheduling in a first slot of a set of resource block (RB) pairs. The first control information includes allocation information on one or more resource units. The method according to the embodiment further includes monitoring second control information in a second slot of the set of RB pairs. If the R-PDCCH is assigned to the second slot of the set of RB pairs, the R-PDCCH is configured to carry control information for uplink scheduling.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: February 25, 2020
    Assignee: LG ELECTRONICS INC.
    Inventors: Hakseong Kim, Dongyoun Seo, Hanbyul Seo, Daewon Lee, Byounghoon Kim, Kijun Kim
  • Publication number: 20200051967
    Abstract: An LED display module is disclosed. The LED display module includes: an active matrix substrate including a plurality of control units; a plurality of pairs of solder bumps arranged in a matrix on the active matrix substrate by transfer printing; a plurality of LED chips including pairs of electrodes connected to the corresponding plurality of pairs of solder bumps and arranged in a matrix on the active matrix substrate by transfer printing; grid barriers formed on the active matrix substrate to isolate the plurality of LED chips into individual chip units; and a multi-color cell layer including a plurality of color cells and aligned with the active matrix substrate such that the plurality of color cells match the plurality of LED chips in a one-to-one relationship. The plurality of color cells include first color cells, second color cells, and third color cells disposed consecutively in one direction.
    Type: Application
    Filed: October 17, 2019
    Publication date: February 13, 2020
    Applicant: LUMENS CO., LTD.
    Inventors: Daewon KIM, Jinmo KIM, Jinwon CHOI, Younghwan SHIN, Jimin HER, Sol HAN, Kyujin LEE
  • Patent number: 10559554
    Abstract: Disclosed is a method for fabricating an LED module. The method includes: constructing a chip-on-carrier including a chip retainer having a horizontal bonding plane and a plurality of LED chips in which electrode pads are bonded to the bonding plane of the chip retainer; and transferring the plurality of LED chips in a predetermined arrangement from the chip retainer to a substrate by transfer printing. The transfer printing includes: primarily section-wise exposing a transfer tape to reduce the adhesive strength of the transfer tape such that bonding areas are formed at predetermined intervals on the transfer tape; and pressurizing the transfer tape against the LED chips on the chip retainer to attach the LED chips to the corresponding bonding areas of the transfer tape and detaching the electrode pads of the LED chips from the chip retainer to pick up the chips.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: February 11, 2020
    Assignee: LUMENS CO., LTD.
    Inventors: Taekyung Yoo, Daewon Kim, Jinmo Kim, Jinwon Choi, Jimin Her, Younghwan Shin, Sol Han, Kyujin Lee
  • Publication number: 20200013762
    Abstract: Disclosed is a method for fabricating an LED module. The method includes: constructing a chip-on-carrier including a chip retainer having a horizontal bonding plane and a plurality of LED chips in which electrode pads are bonded to the bonding plane of the chip retainer; and transferring the plurality of LED chips in a predetermined arrangement from the chip retainer to a substrate by transfer printing. The transfer printing includes: primarily section-wise exposing a transfer tape to reduce the adhesive strength of the transfer tape such that bonding areas are formed at predetermined intervals on the transfer tape; and pressurizing the transfer tape against the LED chips on the chip retainer to attach the LED chips to the corresponding bonding areas of the transfer tape and detaching the electrode pads of the LED chips from the chip retainer to pick up the chips.
    Type: Application
    Filed: September 19, 2019
    Publication date: January 9, 2020
    Applicant: LUMENS CO., LTD.
    Inventors: Taekyung YOO, Daewon KIM, Jinmo KIM, Jinwon CHOI, Jimin HER, Younghwan SHIN, Sol HAN, Kyujin LEE
  • Patent number: 10531407
    Abstract: A method comprises transmitting a downlink frame initiating an uplink multi-user transmission. The uplink multi-user transmission includes a plurality of uplink frames simultaneously transmitted by a plurality of respective stations. The downlink frame including power control information for the plurality of uplink frames. The method further includes receiving the uplink multi-user transmission that is transmitted based on the power control information. Another method comprises receiving a downlink frame initiating an uplink multi-user transmission. The uplink multi-user transmission includes a plurality of uplink frames simultaneously transmitted by a plurality of respective stations. The downlink frame including power control information for the plurality of uplink frames. The method further comprises participating in the uplink multi-user transmission based on the power control information.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: January 7, 2020
    Assignee: NEWRACOM, INC.
    Inventor: Daewon Lee
  • Patent number: D872116
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: January 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Daewon Kim, Jaewon Park, Hyunyeul Lee, Jiyoung Han, Hyungmin Kim