Patents by Inventor Beom Seok Lee

Beom Seok 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: 20200331251
    Abstract: A method for manufacturing a display unit according to an exemplary embodiment of one aspect of the present invention includes: unwinding a first film from a first film roll, and carrying the first film; attaching a second film onto the carried first film and forming an elongated film laminated body; forming a cutting line in the film laminated body in a width direction at intervals along a longitudinal direction and forming a film sheet piece; and laminating the film sheet piece on a first surface of a panel.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 22, 2020
    Inventors: Beom Seok Lee, Hang Suk Choi, Eung Jin Jang
  • Patent number: 10807348
    Abstract: Provided is a system for manufacturing a display unit, the system including: a carrying unit which carries an optical film including a polarizing film including an adhesive layer and a release film to which the polarizing film is bonded to be peeled off through the adhesive layer; a cutting unit which cuts the optical film by a predetermined depth, in which the release film is not cut, and forms a polarizing film sheet piece on the optical film; a peeling unit which peels the polarizing film sheet piece from the release film; and an attachment unit which attaches the polarizing film sheet piece peeled from the release film to a panel, in which the attachment unit includes: a pair of attachment rolls which presses and attaches the polarizing film sheet piece onto one surface of the panel; and a magnetic force generating unit or a suction part, which suppresses an upper attachment roll positioned at an upper side between the pair of attachment rolls from sagging by using magnetic force or suction.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: October 20, 2020
    Assignee: LG CHEM, LTD.
    Inventors: San Park, Hang Suk Choi, Eung Jin Jang, Suk Jae Lee, Kyung Hyeok Park, Bong Su Jeung, Jea Han Ryoo, Pil Soo Nam, Beom Seok Lee, Yu Jin Lim
  • Patent number: 10800149
    Abstract: Disclosed is a system for manufacturing a display unit, including: a carrying unit configured to carry an optical film; a cutting unit configured to form a slit line on the optical film from a side opposite to the release film by a predetermined depth, in which the release film is not cut; a peeling unit configured to peel the polarizing film from the release film; and an attaching unit configured to attach the polarizing film peeled from the release film to a panel, in which the carrying unit includes a carrying direction changing unit, which changes a direction in which the optical film is carried so that the optical film carried along a first straight section is carried along a second straight section crossing the first straight section, and when the carrying of the optical film is stopped, the slit line formed on the optical film is positioned in the first straight section or the second straight section among the first straight section, the second straight section, and a curved section positioned between
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: October 13, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Suk Jae Lee, Kyung Hyeok Park, San Park, Hang Suk Choi, Eung Jin Jang, Bong Su Jeung, Jea Han Ryoo
  • Publication number: 20200307117
    Abstract: Exemplary embodiments of the present invention provide an optical film attachment system which is connected to a downstream device and includes a panel conveyance path, the optical film attachment system including: a connection unit which connects the panel conveyance path and the downstream device and conveys the panel; a first inspection unit which is positioned on the panel conveyance path and finds out whether the panel with the attached optical film has a defect; and a second inspection unit which is positioned at a position spaced apart from the panel conveyance path and re-inspects a defect-determined panel determined as a defective panel by inspection by the first inspection unit; in which the connection unit includes a main conveyance path in which a first conveyance unit and a second conveyance unit are sequentially arranged in a conveyance direction of the panel conveyance path, a first auxiliary conveyance path which connects the first conveyance unit and the second inspection unit and is bypassed
    Type: Application
    Filed: September 14, 2018
    Publication date: October 1, 2020
    Inventors: Beom Seok Lee, Ju Young Jeoung, Kyoung Sik Kim, Hang Suk Choi, Eung Jin Jang
  • Patent number: 10725219
    Abstract: Provided is a method for an optical film which elongates by forming a plurality of sheet pieces by cutting a pre-processing optical film in a width direction of the pre-processing optical film, aligning the plurality of sheet pieces in such a manner that first end portions parallel to the longitudinal direction of the pre-processing optical film are opposite to each other, and connecting end portions of the plurality of sheet pieces to each other.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: July 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Suk Jae Lee, Kyung Hyeok Park, San Park, Hang Suk Choi, Eung Jin Jang, Bong Su Jeung, Jea Han Ryoo
  • Patent number: 10710351
    Abstract: A system for continuously manufacturing an optical display device and methods thereof are described. The system and method include a feeding unit for feeding an optical film, which includes a release film and a plurality of sheet pieces of a polarized film. The system and method further include a peeling unit for peeling the sheet pieces of the polarized film; a winding unit for winding the release film form the sheet pieces of the polarized film; and a controlling unit. The controlling unit controls at least one of the feeding unit, the winding unit, and the laminating unit.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: July 14, 2020
    Assignee: LG CHEM, LTD.
    Inventors: San Park, Hang Suk Choi, Eung Jin Jang, Suk Jae Lee, Kyung Hyeok Park, Bong Su Jeung, Jea Han Ryoo, Cheon Ho Park, Pil Soo Nam, Beom Seok Lee
  • Publication number: 20200207133
    Abstract: Disclosed is a system and method for marking at a partial area of an optical film material. The system for marking at an optical film includes a feed roll configured to feed an optical film material in a first direction, a marking unit configured to mark a nulling mark or material information in a marking area of the optical film material fed in the first direction, other than a valid area which is attached to a display panel, a light source unit having a light source member configured to supply a marking laser light to the marking unit, and a receiving roll configured to collect the optical film material.
    Type: Application
    Filed: January 6, 2017
    Publication date: July 2, 2020
    Inventors: Beom-Seok LEE, Kyu-Sung HWANG, Eung-Jin JANG, Hang-Suk CHOI
  • Patent number: 10677784
    Abstract: Disclosed is an apparatus for manufacturing a display module. An apparatus for manufacturing a display module according to an exemplary embodiment of the present invention, which attaches a polarizing plate, from which a release film is peeled, onto a display panel, includes: a separator configured to peel a release film from a polarizing plate, and formed with a flow path, through which foreign substances dropped from the release film when the release film is peeled are dischargeable; and a suction unit coupled to the separator to suck the foreign substances.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: June 9, 2020
    Assignee: LG CHEM, LTD.
    Inventors: San Park, Jea Han Ryoo, Bong Su Jeung, Cheon Ho Park, Beom Seok Lee
  • Publication number: 20200058870
    Abstract: A chalcogenide material and an electronic device are provided. The chalcogenide material may include 0.1-5 atomic percent (at %) of silicon, 15-22 at % of germanium, 30-35 at % of arsenic and 40-50 at % of selenium. The electronic device may include a semiconductor memory device, the semiconductor memory device including a first memory cell that includes a first switching element. The first switching element may include a chalcogenide material including 0.1-5 atomic percent (at %) of silicon, 15-22 at % of germanium, 30-35 at % of arsenic, and 40-50 at % of selenium.
    Type: Application
    Filed: May 14, 2019
    Publication date: February 20, 2020
    Inventors: Woo-Tae LEE, Gwang-Sun JUNG, Tae-Hoon KIM, Sang-Hyun BAN, Beom-Seok LEE, Uk HWANG
  • Patent number: 10520760
    Abstract: According to the present invention, a system for manufacturing an optical display element, which manufactures an optical display element by laminating optical films on both planes of a rectangular panel, includes: a panel supply unit supplying the panel; a panel transport unit transporting the supplied panel; a first laminating unit laminating the optical film onto a first plane of the panel in a direction parallel to a panel transport direction; and a second laminating unit laminating the optical film onto a second plane of the panel so that an absorption axis direction of the optical film is orthogonal to the absorption axis direction of the optical film laminated onto the first plane of the panel, in which when a panel supply direction set to be parallel to the panel transport direction between a longitudinal direction of an initial long edge and the longitudinal direction of an initial short edge of the panel supplied by the panel supply unit and a first laminating direction set so as to laminate the opti
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: December 31, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Suk Jae Lee, Kyung Hyeok Park, San Park, Hang Suk Choi, Eung Jin Jang, Bong Su Jeung, Jea Han Ryoo
  • Patent number: 10436960
    Abstract: The present invention relates to a method for manufacturing a polarizing element including locally bleached areas including steps of providing a polarizing element including a polyvinyl alcohol-based polarizer in which at least one or more of iodine and dichroic dye is oriented in a certain direction; partially bleaching the polyvinyl alcohol-based polarizer by bringing a bleaching solution into contact with one surface of the polyvinyl alcohol-based polarizer through a printing method; and correcting an appearance of the partially bleached polarizing element.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: October 8, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Eung Jin Jang, Kyun Il Rah, Hyung Koo Kang, Byung Sun Lee, Du Jin Choi, Ho Jeong Yun
  • Patent number: 10429678
    Abstract: Disclosed is a panel reversing apparatus which reverses a panel, the panel reversing apparatus including: a panel support unit which supports the panel; and a rotating unit which rotates the panel support unit so as to reverse a direction, in which one surface of the panel supported by the panel support unit faces, and a direction, in which the other surface of the panel faces, in which the panel support unit includes a single surface contact unit which is in contact with only one surface between the one surface and the other surface of the panel.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: October 1, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Suk Jae Lee, Kyung Hyeok Park, San Park, Hang Suk Choi, Eung Jin Jang, Bong Su Jeung, Jea Han Ryoo
  • Patent number: 10429560
    Abstract: The present invention relates to a method for manufacturing a polarizing element including locally bleached areas including steps of providing a polarizing element including a polyvinyl alcohol-based polarizer in which at least one of iodine and dichroic dye is oriented in a certain direction; forming a mask layer including at least one punched area on one surface of the polarizing element; partially bleaching the polarizing element formed with the mask layer by immersing the polarizing element into a bleaching solution; and correcting an appearance of the partially bleached polarizing element.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: October 1, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Eung Jin Jang, Kyun Il Rah, Hyung Koo Kang, Byung Sun Lee, Du Jin Choi, Ho Jeong Yun
  • Patent number: 10427357
    Abstract: A system for manufacturing a display unit including: a transport unit which transports an optical film comprising a polarizing film, an adhesive layer, and a release film, by a predetermined transport length and stops the transport of the optical film; a cutting unit which cuts the optical film in a width direction at a predetermined cutting position without cutting the release film; a separating unit which separates the release film from the polarizing film at the cutting position; and an attaching unit which attaches the polarizing film, from which the release film is separated, to a panel. The transport unit includes a horizontal roll satisfying the following conditional expression: I*n<H<I*(n+1) in which I is the predetermined transport length, n is an integer equal to or greater than 0, and H is a horizontal distance between a rotation center of the horizontal roll and the cutting position.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: October 1, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Suk Jae Lee, San Park, Hang Suk Choi, Eung Jin Jang, Bong Su Jeung, Jea Han Ryoo
  • Patent number: 10427396
    Abstract: According to an exemplary embodiment of the present invention, there is provided a system for manufacturing a display unit, which includes: a carrying unit configured to carry an optical film, wherein the optical film includes a release film which is extended in a longitudinal direction, and a plurality of sheet pieces of a polarizing film which are arranged in a longitudinal direction and include adhesive layers, wherein the sheet piece of a polarizing film is adhered to the release film through the adhesive layer so that the polarizing film sheet piece is peeled from the release film; a peeling unit configured to fold back inwardly the release film of the optical film carried by the carrying unit toward an inner side and peel the polarizing film sheet piece from the release film; a winding unit configured to wind the release film peeled by the peeling unit; and an attachment unit configured to attach the polarizing film sheet piece peeled from the release film to one surface of a panel, while carrying the p
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: October 1, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Suk Jae Lee, Kyung Hyeok Park, San Park, Hang Suk Choi, Eung Jin Jang, Bong Su Jeung, Jea Han Ryoo
  • Publication number: 20190248125
    Abstract: A system for manufacturing a laminated film, in which a first film and a second film are sequentially laminated, and the system includes: a film supplying part which supplies the first film and the second film; a bonding part which includes a first roll and a second roll that rotate in opposite directions, and compresses the first film and the second film supplied from the film supplying part and bonds the first film and the second film as the laminated film; and a bending inducing part which supports and bends the laminated film bonded and output from the bonding part, in which the second roll shifts in a direction along a circumference of a virtual circle having a larger radius than a radius of the first roll to control the bending of the laminated film.
    Type: Application
    Filed: October 19, 2017
    Publication date: August 15, 2019
    Inventors: Beom Seok LEE, Hang Suk CHOI, Jae Hoon CHOI, Eung Jin JANG, Suk Jae LEE, Ju Young JEOUNG, Kyu Sung HWANG, Sung Kyum KIM
  • Publication number: 20190217550
    Abstract: A system for manufacturing a display unit including: a transport unit which transports an optical film comprising a polarizing film, an adhesive layer, and a release film, by a predetermined transport length and stops the transport of the optical film; a cutting unit which cuts the optical film in a width direction at a predetermined cutting position without cutting the release film; a separating unit which separates the release film from the polarizing film at the cutting position; and an attaching unit which attaches the polarizing film, from which the release film is separated, to a panel. The transport unit includes a horizontal roll satisfying the following conditional expression: I*n<H<I*(n+1) in which I is the predetermined transport length, n is an integer equal to or greater than 0, and H is a horizontal distance between a rotation center of the horizontal roll and the cutting position.
    Type: Application
    Filed: October 16, 2017
    Publication date: July 18, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Beom Seok LEE, Suk Jae LEE, San PARK, Hang Suk CHOI, Eung Jin JANG, Bong Su JEUNG, Jea Han RYOO
  • Publication number: 20190193382
    Abstract: Provided is a system for manufacturing a display unit, the system including: a carrying unit which carries an optical film including a polarizing film including an adhesive layer and a release film to which the polarizing film is bonded to be peeled off through the adhesive layer; a cutting unit which cuts the optical film by a predetermined depth, in which the release film is not cut, and forms a polarizing film sheet piece on the optical film; a peeling unit which peels the polarizing film sheet piece from the release film; and an attachment unit which attaches the polarizing film sheet piece peeled from the release film to a panel, in which the attachment unit includes: a pair of attachment rolls which presses and attaches the polarizing film sheet piece onto one surface of the panel; and a magnetic force generating unit or a suction part, which suppresses an upper attachment roll positioned at an upper side between the pair of attachment rolls from sagging by using magnetic force or suction.
    Type: Application
    Filed: July 17, 2017
    Publication date: June 27, 2019
    Inventors: San PARK, Hang Suk CHOI, Eung Jin JANG, Suk Jae LEE, Kyung Hyeok PARK, Bong Su JEUNG, Jea Han RYOO, Pil Soo NAM, Beom Seok LEE, Yu Jin LIM
  • Patent number: 10324331
    Abstract: The present specification relates to a display unit manufacturing method and an optical film laminating system.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: June 18, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Kyung Hyeok Park, Hang Suk Choi, Eung Jin Jang, Sukjae Lee, Kyoung sik Kim
  • Patent number: 10293590
    Abstract: A method of continuously manufacturing a display unit according to an exemplary embodiment of the present invention, which bonds sheet pieces of a polarizing film formed by cutting a roll-type optical film into sheet pieces having a predetermined sheet pieces to a panel to manufacture the display unit, continuously carries an optical film, detects a defect of the optical film, extracts a defective area based on information on the detected defect, forms a slit line in a horizontal direction with respect to a carrying direction of the optical film based on the defective area, determines whether the sheet piece of the polarizing film divided by the slit line is a defective sheet piece or a normal sheet piece, peels the sheet piece determined as a normal sheet piece from a release film, and bonds the normal sheet piece and a panel.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: May 21, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Beom Seok Lee, Suk Jae Lee, Kyung Hyeok Park, San Park, Hang Suk Choi, Eung Jin Jang, Bong Su Jeung, Jea Han Ryoo