Patents by Inventor Jung-Wook Hwang

Jung-Wook Hwang 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: 20240136474
    Abstract: A method of manufacturing a display device includes providing an adhesive material layer on a display panel, curing the adhesive material layer to form an adhesive layer, providing a cover layer on the adhesive layer, and adhering the cover layer to the adhesive layer, and a modulus of the adhesive layer at room temperature is in a range of about 103 Pa to about 106 Pa.
    Type: Application
    Filed: June 4, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Yun BANG, Jung Wook KIM, Hee Chang KIM, Eun Joong MUN, Kyoung Hee PARK, Hyeon Deuk HWANG
  • Patent number: 10175449
    Abstract: A camera module including a housing; a lens barrel having a lens and reciprocating in the housing; a magnetic member coupled with the lens barrel; an electromagnetic member coupled with the housing and generating a magnetic field so that the lens barrel moves along an optical axis; and a Hall sensor in the housing and detecting a change in magnetic field according to a position of the magnetic member before electric power is outputted to the electromagnetic member. A control unit sets a current position of the magnetic member as a first target position, setting an initial position for driving auto focusing as a second target position, aligning the lens barrel to the first target position by controlling electric power supplied to the electromagnetic member, and then moving the lens barrel to the second target position by supplying electric power to the electromagnetic member.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: January 8, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hoon Heo, Yong-Joon Park, Jung-Wook Hwang
  • Publication number: 20180259740
    Abstract: There is provided a lens actuator, including: a lens barrel in which at least one lens is provided on an optical axis; a magnetic part provided on one surface of the lens barrel; and a printed circuit board in which a coil pattern part generating electromagnetic force is provided, the printed circuit board having one surface facing the magnetic part, wherein magnetic material is provided on the other surface of the printed circuit board.
    Type: Application
    Filed: May 10, 2018
    Publication date: September 13, 2018
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Ho BAIK, Hoon Heo, Jung Seok Lee, Jae Hyuk Lee, Yong Joon Park, Jung Wook Hwang
  • Patent number: 9995902
    Abstract: There is provided a lens actuator, including: a lens barrel in which at least one lens is provided on an optical axis; a magnetic part provided on one surface of the lens barrel; and a printed circuit board in which a coil pattern part generating electromagnetic force is provided, the printed circuit board having one surface facing the magnetic part, wherein magnetic material is provided on the other surface of the printed circuit board.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: June 12, 2018
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Ho Baik, Hoon Heo, Jung Seok Lee, Jae Hyuk Lee, Yong Joon Park, Jung Wook Hwang
  • Patent number: 9658514
    Abstract: Disclosed herein is a camera module in which a movement of a magnet is controlled by only magnetic force between the magnet and a yoke without a spring for controlling the movement of the magnet which operates up and down. The camera module includes: a lens module; and a main frame supporting the lens module and allowing the lens module to be driven in an optical axis direction, wherein the lens module includes: a lens assembly including a plurality of lenses; and a magnet fixed to one side of the lens module, and the main frame includes: a coil facing the magnet, fixed to one side within the main frame, and generating an electric field as power is applied thereto; and a yoke disposed to face the magnet with the main frame and the coil interposed therebetween and controlling driving of the lens module by attraction with the magnet.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: May 23, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Ho Baik, Won Seob Oh, Hoon Heo, Jung Seok Lee, Jae Hyuk Lee, Yong Joon Park, Jung Wook Hwang
  • Publication number: 20160054641
    Abstract: Disclosed herein is a camera module in which a movement of a magnet is controlled by only magnetic force between the magnet and a yoke without a spring for controlling the movement of the magnet which operates up and down. The camera module includes: a lens module; and a main frame supporting the lens module and allowing the lens module to be driven in an optical axis direction, wherein the lens module includes: a lens assembly including a plurality of lenses; and a magnet fixed to one side of the lens module, and the main frame includes: a coil facing the magnet, fixed to one side within the main frame, and generating an electric field as power is applied thereto; and a yoke disposed to face the magnet with the main frame and the coil interposed therebetween and controlling driving of the lens module by attraction with the magnet.
    Type: Application
    Filed: September 22, 2015
    Publication date: February 25, 2016
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Ho BAIK, Won Seob OH, Hoon HEO, Jung Seok LEE, Jae Hyuk LEE, Yong Joon PARK, Jung Wook HWANG
  • Patent number: 9214887
    Abstract: An apparatus and a method for driving a voice coil motor (VCM) may include an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the VCM by selecting a path for a driving current applied to the VCM according to the digital signal and controlling a duty of the driving current according to the instruction signal.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: December 15, 2015
    Assignees: Samsung Electro-Mechanics Co., Ltd., ZINITIX CO., LTD
    Inventors: Won Seob Oh, Je Hyun Park, Oh Byoung Kwon, Kyoung Won Hyun, Jung Wook Hwang, Hoon Heo, Hong Soo Jung, Yong Joon Park
  • Patent number: 9210309
    Abstract: Disclosed herein is a camera module including: a lens barrel in which one or more lenses are installed; a housing accommodating the lens barrel; a printed circuit board coupled with a bottom of the housing and having an image sensor with a light receiving portion mounted thereon; a window film having a window formed therein to define an incident area of light incident on the image sensor; and an infrared ray blocking member blocking an infrared ray in the light incident on the image sensor.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: December 8, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chuel Jin Park, Won Seob Oh, Dong Kyun Lee, Ki Mun Paik, Jung Wook Hwang
  • Patent number: 9188762
    Abstract: Disclosed herein is a camera module in which a movement of a magnet is controlled by only magnetic force between the magnet and a yoke without a spring for controlling the movement of the magnet which operates up and down. The camera module includes: a lens module; and a main frame supporting the lens module and allowing the lens module to be driven in an optical axis direction, wherein the lens module includes: a lens assembly including a plurality of lenses; and a magnet fixed to one side of the lens module, and the main frame includes: a coil facing the magnet, fixed to one side within the main frame, and generating an electric field as power is applied thereto; and a yoke disposed to face the magnet with the main frame and the coil interposed therebetween and controlling driving of the lens module by attraction with the magnet.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: November 17, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Ho Baik, Won Seob Oh, Hoon Heo, Jung Seok Lee, Jae Hyuk Lee, Yong Joon Park, Jung Wook Hwang
  • Publication number: 20140168497
    Abstract: There are provided a camera module driver and a camera module including the same. The camera module driver includes: a driving unit driving a lens; and a memory unit storing an operation setting value of the driving unit, wherein the driving unit includes a register sensing application of power to perform a reset operation of changing arbitrarily distributed data into preset default data, and the driving unit and the memory unit are formed in a single integrated circuit.
    Type: Application
    Filed: November 15, 2013
    Publication date: June 19, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hoon Heo, Yong Joon Park, Jung Wook Hwang
  • Publication number: 20140160584
    Abstract: A lens actuating module for realizing focus adjustment and optical zooming. The lens actuating module includes a rod which is disposed on one side of a lens barrel on which at least one lens is mounted, and has an axis direction corresponding to an optical axis direction of the lens barrel, a driving force transmission member which has a conjoining recess to be conjoined with an outside surface of the rod and has magnetism so as to be conjoined with the outside surface of the rod due to a magnetic force, and a piezoelectric actuator which is disposed on one side of the driving force transmission member in the optical axis direction to provide an axis direction driving force to the rod via the driving force transmission member.
    Type: Application
    Filed: February 11, 2014
    Publication date: June 12, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventors: Byung Hoon KANG, Sung Won MIN, Jung Wook HWANG, Dong Kyun LEE, Ki Mun PARK, Jung Seok LEE, Won Seob OH, Chuel Jin PARK, Soo Cheol LIM, Byung Woo KANG
  • Publication number: 20140104710
    Abstract: A camera module including a housing; a lens barrel having a lens and reciprocating in the housing; a magnetic member coupled with the lens barrel; an electromagnetic member coupled with the housing and generating a magnetic field so that the lens barrel moves along an optical axis; and a Hall sensor in the housing and detecting a change in magnetic field according to a position of the magnetic member before electric power is outputted to the electromagnetic member. A control unit sets a current position of the magnetic member as a first target position, setting an initial position for driving auto focusing as a second target position, aligning the lens barrel to the first target position by controlling electric power supplied to the electromagnetic member, and then moving the lens barrel to the second target position by supplying electric power to the electromagnetic member.
    Type: Application
    Filed: October 7, 2013
    Publication date: April 17, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hoon HEO, Yong-Joon PARK, Jung-Wook HWANG
  • Publication number: 20140098434
    Abstract: There is provided a lens actuator, including: a lens barrel in which at least one lens is provided on an optical axis; a magnetic part provided on one surface of the lens barrel; and a printed circuit board in which a coil pattern part generating electromagnetic force is provided, the printed circuit board having one surface facing the magnetic part, wherein magnetic material is provided on the other surface of the printed circuit board.
    Type: Application
    Filed: August 28, 2013
    Publication date: April 10, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Ho Baik, Hoon Heo, Jung Seok Lee, Jae Hyuk Lee, Yong Joon Park, Jung Wook Hwang
  • Patent number: 8687297
    Abstract: A lens actuating module for realizing focus adjustment and optical zooming. The lens actuating module includes a rod which is disposed on one side of a lens barrel on which at least one lens is mounted, and has an axis direction corresponding to an optical axis direction of the lens barrel, a driving force transmission member which has a conjoining recess to be conjoined with an outside surface of the rod and has magnetism so as to be conjoined with the outside surface of the rod due to a magnetic force, and a piezoelectric actuator which is disposed on one side of the driving force transmission member in the optical axis direction to provide an axis direction driving force to the rod via the driving force transmission member.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: April 1, 2014
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Byung Hoon Kang, Sung Won Min, Jung Wook Hwang, Dong Kyun Lee, Ki Mun Park, Jung Seok Lee, Won Seob Oh, Chuel Jin Park, Soo Cheol Lim, Byung Woo Kang
  • Publication number: 20140059475
    Abstract: An electronic device according to an embodiment includes: a touch sensitive display unit configured to display one or more pages of a document thereon; and a controller configured for cooperating with the touch sensitive display unit to: receive a touch input applied to the touch sensitive display unit when the one or more pages of a document are displayed on the touch sensitive display unit; display information including a page number of the document on the touch sensitive display unit in response to the touch input; detect a proximity touch input starting from a point of the touch input to another point spaced from the touch sensitive display unit; and determine new information to be changed from the displayed information, based on a position of the another point.
    Type: Application
    Filed: October 31, 2013
    Publication date: February 27, 2014
    Applicant: LG ELECTRONICS INC.
    Inventors: Seung-Kyoon RYU, Jung-Wook HWANG
  • Publication number: 20140009089
    Abstract: There are provided an apparatus and a method for driving a voice coil motor (VCM), the apparatus including an instruction signal generating unit generating an instruction signal according to a digital signal generated from an input signal, and a driving unit driving the voice coil motor (VCM) by selecting a path for a driving current applied to the voice coil motor (VCM) according to the digital signal and controlling a duty of the driving current according to the instruction signal.
    Type: Application
    Filed: May 13, 2013
    Publication date: January 9, 2014
    Applicants: WITHUSVISION Co., Ltd., SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Seob OH, Je Hyun Park, Oh Byoung Kwon, Kyoung Won Hyun, Jung Wook Hwang, Hoon Heo, Hong Soo Jung, Yong Joon Park
  • Publication number: 20130321937
    Abstract: Disclosed herein is a camera module in which a movement of a magnet is controlled by only magnetic force between the magnet and a yoke without a spring for controlling the movement of the magnet which operates up and down. The camera module includes: a lens module; and a main frame supporting the lens module and allowing the lens module to be driven in an optical axis direction, wherein the lens module includes: a lens assembly including a plurality of lenses; and a magnet fixed to one side of the lens module, and the main frame includes: a coil facing the magnet, fixed to one side within the main frame, and generating an electric field as power is applied thereto; and a yoke disposed to face the magnet with the main frame and the coil interposed therebetween and controlling driving of the lens module by attraction with the magnet.
    Type: Application
    Filed: March 13, 2013
    Publication date: December 5, 2013
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Ho BAIK, Won Seob OH, Hoon HEO, Jung Seok LEE, Jae Hyuk LEE, Yong Joon PARK, Jung Wook HWANG
  • Patent number: 8593408
    Abstract: The present invention relates to an electronic document reproduction apparatus supporting a preview function upon outputting an electronic book, and a reproducing method thereof. The electronic document reproduction apparatus includes: an input/output unit for outputting contents of an electronic document and receiving a user's instruction from a user; a storage unit for storing data of the electronic document; and a controller for searching for an output position of a corresponding electronic document according to the users instruction input through the input/output unit, and displaying the corresponding electronic document, wherein the controller receives a preview execution instruction through the input/output unit and provides a preview function for a corresponding position to the electronic document, and the controller receives a page selection instruction and sets a corresponding page as an output position.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: November 26, 2013
    Assignee: LG Electronics Inc.
    Inventors: Seung-Kyoon Ryu, Jung-Wook Hwang
  • Publication number: 20130308048
    Abstract: Disclosed herein is a camera module including: a lens barrel in which one or more lenses are installed; a housing accommodating the lens barrel; a printed circuit board coupled with a bottom of the housing and having an image sensor with a light receiving portion mounted thereon; a window film having a window formed therein to define an incident area of light incident on the image sensor; and an infrared ray blocking member blocking an infrared ray in the light incident on the image sensor.
    Type: Application
    Filed: May 13, 2013
    Publication date: November 21, 2013
    Applicant: Samsung Electro-Mechanics Co. Ltd.
    Inventors: Chuel Jin PARK, Won Seob OH, Dong Kyun LEE, Ki Mun PAIK, Jung Wook HWANG
  • Publication number: 20130242422
    Abstract: A lens actuating module for realizing focus adjustment and optical zooming. The lens actuating module includes a rod which is disposed on one side of a lens barrel on which at least one lens is mounted, and has an axis direction corresponding to an optical axis direction of the lens barrel, a driving force transmission member which has a conjoining recess to be conjoined with an outside surface of the rod and has magnetism so as to be conjoined with the outside surface of the rod due to a magnetic force, and a piezoelectric actuator which is disposed on one side of the driving force transmission member in the optical axis direction to provide an axis direction driving force to the rod via the driving force transmission member.
    Type: Application
    Filed: April 22, 2013
    Publication date: September 19, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD
    Inventors: Byung Hoon KANG, Sung Won Min, Jung Wook Hwang, Dong Kyun Lee, ki Mun Park, Jung Seok Lee, Won Seob Oh, Chuel Jin Park, Soo Cheol Lim, Byung Woo Kang