Patents by Inventor Jun Kun Choi

Jun Kun 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).

  • Publication number: 20200296516
    Abstract: A sound vibration actuator includes: a casing having an internal space, a coil part coupled to the casing to receive power, a magnet part disposed in the casing, an elastic member whose one surface coupled to the magnet part, a substrate drawn from the internal space, and an external device-coupling part disposed on an outer peripheral surface of the casing to be coupled to an external device, wherein the casing has an underside casing part, a side periphery casing part, and a top casing part, the coil part is coupled to the top casing part, and the external device-coupling part includes a first coupling area coming into contact with a portion of the outer periphery of the side periphery casing part and second coupling areas extended from the first coupling area in a vertical direction to the first coupling area coupled to the external device.
    Type: Application
    Filed: December 5, 2019
    Publication date: September 17, 2020
    Inventors: Yong Jin KIM, Jun Kun CHOI, Yeon Ho SON, Yong Tae KIM, Dong Su MOON, Seok Jun PARK, Tae Hoon LEE
  • Publication number: 20200295647
    Abstract: A sound vibration actuator includes: a casing having an internal space formed by an underside casing part, a side periphery casing part, and a top casing part; a first vibration assembly disposed in the internal space of the casing; a second vibration assembly disposed between the first vibration assembly and the top casing part in such a manner as to be coupled to the top casing part; an elastic member whose one surface coupled to the first vibration assembly; and a third vibration assembly disposed between the first vibration assembly and the underside casing part in such a manner as to be coupled to the underside casing part. The sound vibration actuator includes at least three or more vibration assemblies disposed therein, thereby obtaining at least three or more resonance frequencies.
    Type: Application
    Filed: December 5, 2019
    Publication date: September 17, 2020
    Inventors: Jun Kun CHOI, Yong Jin KIM, Yeon Ho SON, Yong Tae KIM, Dong Su MOON, Seok Jun PARK, Tae Hoon LEE
  • Publication number: 20200287088
    Abstract: Disclosed is a semiconductor light emitting device characterized by being a flip chip including: a plurality of semiconductor layers, which includes a first semiconductor layer having a first conductivity, a second semiconductor layer having a second conductivity different from the first conductivity type, and an active layer interpositioned between the first and second semiconductor layers and adapted to generate light by electron-hole recombination; an insulating layer, which is formed on the plurality of semiconductor layers and has openings; and an electrode formed on the insulating layer and electrically connected to the plurality of semiconductor layers through the opening, wherein the electrode has a top face and a bottom face, with the top face having a smaller area than the bottom face.
    Type: Application
    Filed: January 5, 2017
    Publication date: September 10, 2020
    Applicants: SEMICON LIGHT CO., LTD., SEMICON LIGHT CO., LTD.
    Inventors: Soo Kun JEON, Geun Mo JIN, Jun Chun PARK, Yeon Ho JEONG, Il Gyun CHOI
  • Patent number: 10728640
    Abstract: An electronic device with a heat radiation structure using an audio device is provided. The electronic device includes a first housing, a speaker module disposed on a surface of the first housing and configured to output sounds in a first direction, a sound reflection plate mounted above the surface of the first housing and having a first surface facing the speaker module, and a heat emission device disposed on a second surface of the sound reflection plate. The sound reflection plate may absorb heat generated from the heat emission device, and discharge the absorbed heat to the outside of the electronic device through a space between the surface of the first housing and the first surface of the sound reflection plate.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yo-Han Lee, Jung-Kyun Ryu, Jun-Ho Park, Won-Sik Song, Jong-Chan Won, Seung-Yong Lee, Young-Su Lee, Bo-Kun Choi, Chang-Ryong Heo
  • Patent number: 10562066
    Abstract: A linear vibrator having a flexible printed circuit board including a copper film pattern processed in a meander line pattern and, more particularly, a linear vibrator for solving a frequency interference problem between an electromagnetic structure and antenna disposed within a mobile device using a flexible printed circuit board (FPCB) including a copper film pattern processed in a meander line pattern in the linear vibrator. The linear vibrator can avoid resonant frequency interference through the copper film pattern having a frequency region out of the resonant frequency region of an antenna within a mobile device by processing the copper film pattern unique to an FPCB used in a linear vibrator.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: February 18, 2020
    Assignee: MPLUS CO., LTD.
    Inventors: Jun Kun Choi, Yeon Ho Son, Seok Jun Park, Tae Hoon Lee
  • Publication number: 20200034018
    Abstract: An electronic device includes a display for detecting touch input, and at least one processor for recognizing a type of an auxiliary input device placed on the display. A method for utilizing the electronic device includes detecting via a touch screen a type of an auxiliary input device placed on a display based on a configuration of at least one or more conductors on the auxiliary input device, detecting an input event generated by the auxiliary input device, and executing via a processor at least one function of an executing program corresponding to the detected input event.
    Type: Application
    Filed: October 7, 2019
    Publication date: January 30, 2020
    Inventors: Bo-Kun CHOI, Jun-Suk OH
  • Patent number: 10477599
    Abstract: An electronic device includes a housing, a wireless communication circuit, a wired communication interface, a processor, and a memory. The memory stores instructions that, when executed, cause the processor to connect with an external device by using the wireless communication circuit or the wired communication interface, to receive first information to set the electronic device as an access point (AP) from the external device, to receive second information on another AP from the external device, to configure the electronic device by using the first information, and to wirelessly broadcast a signal by using the wireless communication circuit, to allow wireless devices to connect to the AP.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: November 12, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin Hyun Park, Ye Ji Yoon, Min Ho Kang, Jun Hak Lim, Won Tae Chae, Jong Mu Choi, Bo Kun Choi, Doo Suk Kang, Sun Key Lee
  • Patent number: 10437458
    Abstract: An electronic device includes a display for detecting touch input, and at least one processor for recognizing a type of an auxiliary input device placed on the display. A method for utilizing the electronic device includes detecting via a touch screen a type of an auxiliary input device placed on a display based on a configuration of at least one or more conductors on the auxiliary input device, detecting an input event generated by the auxiliary input device, and executing via a processor at least one function of an executing program corresponding to the detected input event.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kun Choi, Jun-Suk Oh
  • Publication number: 20180250709
    Abstract: A linear vibrator having a flexible printed circuit board including a copper film pattern processed in a meander line pattern and, more particularly, a linear vibrator for solving a frequency interference problem between an electromagnetic structure and antenna disposed within a mobile device using a flexible printed circuit board (FPCB) including a copper film pattern processed in a meander line pattern in the linear vibrator. The linear vibrator can avoid resonant frequency interference through the copper film pattern having a frequency region out of the resonant frequency region of an antenna within a mobile device by processing the copper film pattern unique to an FPCB used in a linear vibrator.
    Type: Application
    Filed: June 15, 2017
    Publication date: September 6, 2018
    Inventors: Jun Kun CHOI, Yeon Ho SON, Seok Jun PARK, Tae Hoon LEE
  • Patent number: 9793463
    Abstract: Disclosed herein is a piezoelectric vibration module capable of improving adhesion between a piezoelectric element and an external electrode disposed on the piezoelectric element, the piezoelectric vibration module, including: a piezoelectric element printing patterns of a first internal electrode and a second internal electrode therein and having a first external electrode electrically connected to the first internal electrode and a second external electrode electrically connected to the second internal electrode on an external surface thereof, wherein the first external electrode and the second external electrode are made of silver (Ag) and are formed on the external surface of the piezoelectric element.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: October 17, 2017
    Assignee: MPLUS CO., LTD.
    Inventors: Yeon Ho Son, Jae Kyung Kim, Jun Kun Choi
  • Patent number: 9636708
    Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: May 2, 2017
    Assignee: MPLUS CO., LTD.
    Inventors: Yeon Ho Son, Joon Choi, Kyung Su Park, Jae Kyung Kim, Seung Hyeon Jeong, Jun Kun Choi
  • Patent number: 9579691
    Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: February 28, 2017
    Assignee: MPLUS CO., LTD.
    Inventors: Yeon Ho Son, Joon Choi, Kyung Su Park, Jae Kyung Kim, Seung Hyeon Jeong, Jun Kun Choi
  • Patent number: 9553497
    Abstract: The present invention provides a horizontal linear vibrator which can reduce the thickness but increase vibration strength while at the same time guaranteeing a sufficiently long lifetime and satisfactory responsivity. The horizontal linear vibrator includes a casing, a bracket, a vibration unit and springs. The casing defines an internal space therein. The bracket is disposed under the casing. A cylindrical coil is provided on the bracket. The vibration unit has a magnet, a yoke and a weight. The yoke contains the magnet therein and is open on the lower end thereof. The weight is coupled to the outer surface of the yoke. The springs are coupled to sidewall plates of the casing or the bracket. The springs elastically support the vibration unit to allow the vibration unit to vibrate in the horizontal direction.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: January 24, 2017
    Assignee: MPLUS CO., LTD.
    Inventors: Yong Jin Kim, Jun Kun Choi, Jae Woo Jun, Ki Suk Woo, Kwang Hyung Lee, Je Hyun Bang, Seok Jun Park, Kyung Ho Lee, Hwa Young Oh
  • Publication number: 20160359098
    Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.
    Type: Application
    Filed: August 1, 2016
    Publication date: December 8, 2016
    Inventors: Yeon Ho SON, Joon CHOI, Kyung Su PARK, Jae Kyung KIM, Seung Hyeon JEONG, Jun Kun CHOI
  • Patent number: 9093888
    Abstract: There is provided a linear vibrator including a fixing unit having a magnet in an inner space of a certain size, the magnet generating magnetic force; a vibration unit including a coil disposed to face the magnet and generating electromagnetic force by interaction with the magnet, and a holder coupled with a surface of the coil and fixedly supporting a mass body which vibrates; and an elastic member coupled with the holder and the fixing unit and providing elastic force to the vibration unit.
    Type: Grant
    Filed: April 15, 2011
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Jun Kun Choi
  • Patent number: 9071121
    Abstract: A linear vibrator including: a fixing unit having a magnet in an inner space, the magnet generating magnetic force; a vibration unit including a coil disposed to face the magnet and generating electromagnetic force by interaction with the magnet, and a holder coupled with a surface of the coil and fixedly supporting a mass body which vibrates; and an elastic member coupled with the holder and the fixing unit and providing elastic force to the vibration unit.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: June 30, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Jun Kun Choi
  • Patent number: 9059623
    Abstract: A linear vibrator, including: a fixing part providing an inner space having a predetermined size; at least one magnet disposed in the inner space of the fixing part to generate a magnetic force; a vibration part including a coil disposed to face the magnet to generate electromagnetic force by interacting with the magnet, and a mass body being vibrated; an elastic member coupled to the fixing part and the vibration part to provide an elastic force; and a substrate coupled to the vibration part and disposed to surround at least a portion of an outer circumferential surface of the magnet so as to prevent the substrate from contacting the magnet when the vibration part is vibrated.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: June 16, 2015
    Assignee: SASMUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Kun Choi, Kwang Hyung Lee, Hwa Young Oh
  • Patent number: 8957558
    Abstract: A linear vibration generator is disclosed. The linear vibration generator in accordance with an embodiment of the present invention includes a stationary part, which has a polygonal-prism-shaped coil and in which the polygonal-prism-shaped coil induces a magnetic field by having an electric current supplied, a vibrating part, which has a polygonal-prism-shaped magnet and in which a portion of the polygonal-prism-shaped magnet is inserted into the coil, an elastic member, which is coupled to the stationary part and elastically supports the vibrating part such that the vibrating part can move linearly, and a lubricating band, which is formed on an outer circumferential surface of the magnet.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: February 17, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Jun-Kun Choi
  • Publication number: 20140346924
    Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.
    Type: Application
    Filed: May 16, 2014
    Publication date: November 27, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Yeon Ho Son, Joon Choi, Kyung Su Park, Jae Kyung Kim, Seung Hyeon Jeong, Jun Kun Choi
  • Publication number: 20140292146
    Abstract: Disclosed herein is a piezoelectric vibration module capable of improving adhesion between a piezoelectric element and an external electrode disposed on the piezoelectric element, the piezoelectric vibration module, including: a piezoelectric element printing patterns of a first internal electrode and a second internal electrode therein and having a first external electrode electrically connected to the first internal electrode and a second external electrode electrically connected to the second internal electrode on an external surface thereof, wherein the first external electrode and the second external electrode are made of silver (Ag) and are formed on the external surface of the piezoelectric element.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 2, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yeon Ho Son, Jae Kyung Kim, Jun Kun Choi