Patents by Inventor Won Jin Choi

Won Jin Choi 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: 10707278
    Abstract: Disclosed are a backplane substrate, which achieves improved interface bonding characteristics via a recess configuration at the interface of an organic layer with an inorganic layer, thereby preventing peeling due to repeated folding, and a flexible display using the same. An organic layer is introduced into a recess provided in an inorganic layer so as to achieve improved interface bonding characteristics.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: July 7, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Won-Jin Choi
  • Patent number: 10663774
    Abstract: An embodiment includes an optical transmission module, an optical transceiver, and an optical communication system including the same, the optical transmission module comprising: a light emitting diode; and an optical modulator for modulating first light emitted from the light emitting diode, wherein the light emitting diode and the optical modulator include GaN, and the optical modulator transmits the first light therethrough when a voltage is applied.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: May 26, 2020
    Assignee: Industry-University Cooperation Foundation Hanyang University Erica Campus
    Inventors: Jong In Shim, Dong Soo Shin, Won Jin Choi
  • Patent number: 10666327
    Abstract: According to various embodiments disclosed herein, an electronic device includes a transceiver configured to generate a first signal and a second signal, a first coupler configured to receive the first signal from the transceiver and provide the first signal to the first antenna; a second coupler configured to receive the second signal from the transceiver and provide the second signal to the second antenna; and a control circuitry operatively connected to the transceiver. The control circuitry is configured to determine values associated with a phase difference between the first signal and the second signal at least partially based on the signals from the first coupler and the second coupler, and to cause the transceiver to adjust a phase of the first signal and/or a phase of the second signal using at least some of the values in order to reduce or remove the phase difference. Other embodiments have been provided.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 26, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bong-Sup Son, Dong-Ju Lee, Won-Jin Choi, Seok-Kun Hyung, Sung-Jun Kim
  • Patent number: 10637982
    Abstract: Various embodiments of the present invention relate to a method for displaying notifications relating to applications, and an electronic device therefor. An operation method of an electronic device comprises: an operation of displaying at least one execution icon relating to at least one application in a first area; and an operation of, when a notification relating to the at least one application occurs, displaying a notification icon for notifying of the occurrence of the notification in a second area. Other embodiments may be possible.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: April 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yujin Choi, Gwiseok Kim, Byeongkuk Keam, Kwangseong Choi, Won Jin Choi
  • Publication number: 20200080225
    Abstract: A feed assembly supplies polysilicon to a growth chamber for growing a crystal ingot from a melt. An example system includes a housing having support rails for receiving one of a granular tray and a chunk tray and a feed material reservoir positioned above the support rails to selectively feed one of either the granular tray or the chunk tray. A valve mechanism and pulse vibrator are also disclosed.
    Type: Application
    Filed: November 13, 2019
    Publication date: March 12, 2020
    Inventors: Seok Min Yun, Seong Su Park, Jun Hwan Ji, Won-Jin Choi, UiSung Jung, Young Jung Lee, Tae Su Koo, Sung-Jin Kim
  • Patent number: 10577717
    Abstract: A feed assembly supplies polysilicon to a growth chamber for growing a crystal ingot from a melt. An example system includes a housing having support rails for receiving one of a granular tray and a chunk tray and a feed material reservoir positioned above the support rails to selectively feed one of either the granular tray or the chunk tray. A valve mechanism and pulse vibrator are also disclosed.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: March 3, 2020
    Assignee: GLOBALWAFERS CO., LTD.
    Inventors: Seok Min Yun, Seong Su Park, Jun Hwan Ji, Won-Jin Choi, UiSung Jung, Young Jung Lee, Tae Su Koo, Sung-Jin Kim
  • Patent number: 10573694
    Abstract: Disclosed are a backplane substrate, which has a modified dummy pixel configuration, thereby preventing water permeation and cracks from the side surface due to repeated folding, and a flexible display using the same. A plurality of slits is provided in a dummy pixel portion and separates an interlayer insulation stack for respective dummy pixels.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 25, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Won-Jin Choi
  • Publication number: 20200033641
    Abstract: An embodiment includes an optical transmission module, an optical transceiver, and an optical communication system including the same, the optical transmission module comprising: a light emitting diode; and an optical modulator for modulating first light emitted from the light emitting diode, wherein the light emitting diode and the optical modulator include GaN, and the optical modulator transmits the first light therethrough when a voltage is applied.
    Type: Application
    Filed: October 3, 2019
    Publication date: January 30, 2020
    Applicant: Industry-University Cooperation Foundation Hanyang University Erica Campus
    Inventors: Jong In Shim, Dong Soo Shin, Won Jin Choi
  • Patent number: 10530443
    Abstract: An electronic device is provided. The electronic device includes a first antenna configured to transmit a first transmission signal having a first phase, a second antenna configured to transmit a second transmission signal having a second phase, a transceiver electrically connected to the first antenna and the second antenna, and a processor. The transceiver is configured to identify a first feedback transmission signal including part of the first transmission signal and a second feedback transmission signal including part of the second transmission signal and calculate a correlation for the first and second feedback transmission signals. The processor is configured to predict radiation power radiated from the electronic device based on at least the part of the correlation, control the transceiver to adjust at least one of the first phase or the second phase, and change the predicted radiation power to a predetermined value based on an operation for the adjustment.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: January 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Han-Yeop Lee, Dong-Il Yang, Bong-Sup Son, Dong-Ju Lee, Won-Jin Choi, Hyo-Seok Na
  • Patent number: 10451905
    Abstract: An embodiment includes an optical transmission module, an optical transceiver, and an optical communication system including the same, the optical transmission module comprising: a light emitting diode; and an optical modulator for modulating first light emitted from the light emitting diode, wherein the light emitting diode and the optical modulator include GaN, and the optical modulator transmits the first light therethrough when a voltage is applied.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: October 22, 2019
    Assignee: Industry-University Cooperation Foundation Hanyang University Erica Campus
    Inventors: Jong In Shim, Dong Soo Shin, Won Jin Choi
  • Publication number: 20190273816
    Abstract: Various embodiments of the present invention relate to a method for displaying notifications relating to applications, and an electronic device therefor. An operation method of an electronic device comprises: an operation of displaying at least one execution icon relating to at least one application in a first area; and an operation of, when a notification relating to the at least one application occurs, displaying a notification icon for notifying of the occurrence of the notification in a second area. Other embodiments may be possible.
    Type: Application
    Filed: July 21, 2017
    Publication date: September 5, 2019
    Inventors: Yujin CHOI, Gwiseok KIM, Byeongkuk KEAM, Kwangseong CHOI, Won Jin CHOI
  • Publication number: 20190211469
    Abstract: A feed assembly supplies polysilicon to a growth chamber for growing a crystal ingot from a melt. An example system includes a housing having support rails for receiving one of a granular tray and a chunk tray and a feed material reservoir positioned above the support rails to selectively feed one of either the granular tray or the chunk tray. A valve mechanism and pulse vibrator are also disclosed.
    Type: Application
    Filed: March 13, 2019
    Publication date: July 11, 2019
    Inventors: Seok Min Yun, Seong Su Park, Jun Hwan Ji, Won-Jin Choi, UiSung Jung, Young Jung Lee, Tae Su Koo, Sung-Jin Kim
  • Publication number: 20190181615
    Abstract: An embodiment discloses a vertical cavity surface emitting laser and a method for manufacturing the same, the vertical cavity surface emitting laser comprising: a substrate; a lower reflective layer disposed on the substrate; an active layer disposed on the lower reflective layer; an oxide layer disposed on the active layer and comprising a first hole disposed at the center thereof; a capping layer disposed on the oxide layer; and an upper reflective layer disposed on the capping layer and the first hole.
    Type: Application
    Filed: April 3, 2018
    Publication date: June 13, 2019
    Applicant: RAYIR, CO.
    Inventor: Won Jin Choi
  • Publication number: 20190165837
    Abstract: According to various embodiments disclosed herein, an electronic device includes a transceiver configured to generate a first signal and a second signal, a first coupler configured to receive the first signal from the transceiver and provide the first signal to the first antenna; a second coupler configured to receive the second signal from the transceiver and provide the second signal to the second antenna; and a control circuitry operatively connected to the transceiver. The control circuitry is configured to determine values associated with a phase difference between the first signal and the second signal at least partially based on the signals from the first coupler and the second coupler, and to cause the transceiver to adjust a phase of the first signal and/or a phase of the second signal using at least some of the values in order to reduce or remove the phase difference. Other embodiments have been provided.
    Type: Application
    Filed: October 17, 2018
    Publication date: May 30, 2019
    Inventors: Bong-Sup SON, Dong-Ju LEE, Won-Jin CHOI, Seok-Kun HYUNG, Sung-Jun KIM
  • Publication number: 20190159129
    Abstract: An electronic device includes a housing; a first antenna located at a first part of the housing; a second antenna located at a second part separated from the first part of the housing; a transceiver configured to generate a first signal and a second signal; a first coupler electrically connected between the first antenna and the transceiver and configured to receive the first signal from the transceiver and provide the received first signal to the first antenna; a second coupler electrically connected to the second antenna and the transceiver and configured to receive the second signal from the transceiver and provide the received second signal to the second antenna; and a control circuit operationally connected to the transceiver, wherein the control circuit is configured to determine at least one value related to gains of the first signal and the second signal based at least partially on the signals provided from the first coupler and the second coupler, determine whether the first signal has a higher gain
    Type: Application
    Filed: November 14, 2018
    Publication date: May 23, 2019
    Inventors: Won-Jin Choi, Dong-Ju Lee, Bong-Sup Son, Seok-Kun Hyung, Ji-Woo Lee
  • Patent number: 10273596
    Abstract: A feed assembly supplies polysilicon to a growth chamber for growing a crystal ingot from a melt. An example system includes a housing having support rails for receiving one of a granular tray and a chunk tray and a feed material reservoir positioned above the support rails to selectively feed one of either the granular tray or the chunk tray. A valve mechanism and pulse vibrator are also disclosed.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: April 30, 2019
    Assignees: GLOBALWAFERS CO., LTD., DAEVAC INTERNATIONAL CO., LTD.
    Inventors: Seok Min Yun, Seong Su Park, Jun Hwan Ji, Won-Jin Choi, UiSung Jung, Young Jung Lee, Tae Su Koo, Sung-Jin Kim
  • Publication number: 20190065018
    Abstract: An electronic device is provided. The electronic device includes a memory for storing at least one application, a wireless and/or wired communication interface, and a processor. The processor is configured to detect a display event for the at least one application, in response to the detection of display event, determine whether the electronic device is in a state of being connected to an external output device through the communication interface, when it is determined that the electronic device is in the state of being connected to the external output device, determine whether execution of the at least one application is possible, based on a state of connection with the external output device, and control to display, on the external output device, information indicating whether execution of the at least one application is possible.
    Type: Application
    Filed: August 22, 2018
    Publication date: February 28, 2019
    Inventors: Byeongkuk KEAM, Seungkyu LEE, Hoyoung LEE, Won Jin CHOI, Yujin CHOI
  • Publication number: 20190033627
    Abstract: An embodiment includes an optical transmission module, an optical transceiver, and an optical communication system including the same, the optical transmission module comprising: a light emitting diode; and an optical modulator for modulating first light emitted from the light emitting diode, wherein the light emitting diode and the optical modulator include GaN, and the optical modulator transmits the first light therethrough when a voltage is applied.
    Type: Application
    Filed: July 8, 2016
    Publication date: January 31, 2019
    Applicant: Industry-University Cooperation Foundation Hanyang Unversity Erica Campus
    Inventors: Jong In SHIM, Dong Soo SHIN, Won Jin CHOI
  • Publication number: 20180359010
    Abstract: An electronic device is provided. The electronic device includes a first antenna configured to transmit a first transmission signal having a first phase, a second antenna configured to transmit a second transmission signal having a second phase, a transceiver electrically connected to the first antenna and the second antenna, and a processor. The transceiver is configured to identify a first feedback transmission signal including part of the first transmission signal and a second feedback transmission signal including part of the second transmission signal and calculate a correlation for the first and second feedback transmission signals. The processor is configured to predict radiation power radiated from the electronic device based on at least the part of the correlation, control the transceiver to adjust at least one of the first phase or the second phase, and change the predicted radiation power to a predetermined value based on an operation for the adjustment.
    Type: Application
    Filed: June 1, 2018
    Publication date: December 13, 2018
    Inventors: Han-Yeop LEE, Dong-Il YANG, Bong-Sup SON, Dong-Ju LEE, Won-Jin CHOI, Hyo-Seok NA
  • Publication number: 20180237948
    Abstract: A feed assembly supplies polysilicon to a growth chamber for growing a crystal ingot from a melt. An example system includes a housing having support rails for receiving one of a granular tray and a chunk tray and a feed material reservoir positioned above the support rails to selectively feed one of either the granular tray or the chunk tray. A valve mechanism and pulse vibrator are also disclosed.
    Type: Application
    Filed: August 18, 2016
    Publication date: August 23, 2018
    Applicants: SunEdison Semiconductor Limited (UEN201334164H), DAEVAC International Co., Ltd.
    Inventors: Seok Min Yun, Seong Su Park, Jun Hwan Ji, Won-Jin Choi, UiSung Jung, Young Jung Lee, Tae Su Koo, Sung-Jin Kim