Patents by Inventor Jung Hyo Lee

Jung Hyo 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).

  • Patent number: 11958993
    Abstract: Disclosed herein are an adhesive protective film, an optical member including the same, and an optical display including the same. An adhesive protective film is formed of a composition including a (meth)acrylic binder derived from a monomer mixture including: an alkyl group-containing (meth)acrylic monomer; and at least one selected from among a hydroxyl group-containing (meth)acrylic monomer, a carboxyl group-containing (meth)acrylic monomer, and a polysiloxane (meth)acrylate, the adhesive protective film having an initial peel strength of about 100 gf/inch or less and a peel strength decrease rate of about 50% or less, as calculated according to Equation 1.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: April 16, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Irina Nam, Tae Ji Kim, Won Kim, Il Jin Kim, Jung Hyo Lee, Oh Hyeon Hwang
  • Publication number: 20240051551
    Abstract: An agricultural machine having an accident prevention function includes an agricultural machine body including a front wheel connected to an engine and a handle protruding rearward, an engine controller configured to control an operation of an engine, a cargo box fixed to an upper portion of a frame connected to a rear side of the body and configured to load cargo, a boarding part towed and moved by being connected to body and configured to provide a boarding seat on which a driver is seated, and an accident occurrence factor confirmation part configured to check whether an accident occurrence factor is present using a sensing signal for the cargo box when a seating detection signal is received from a boarding-part seating detector configured to detect whether a user is seated on the boarding part and provide a start disable or start enable signal to the engine controller.
    Type: Application
    Filed: December 27, 2022
    Publication date: February 15, 2024
    Applicant: INPLAB INC.
    Inventors: Yong Min MOON, Jung Hyo LEE, Min Gyu KIM
  • Publication number: 20240051463
    Abstract: Disclosed herein is a system for preventing and notifying of an accident of an agricultural machine, which includes an agricultural machine accident prevention/notification server; a rollover accident detection device configured to control brightness of a display device according to a risk rating pre-assigned to a hazard area when an agricultural machine enters a hazard area and simultaneously provide an operating control command to an Internet of things (IoT) device and connected to a battery module of the agricultural machine to monitor an energy state of the battery module; and the IoT device configured to, when the operating control command is received from the rollover accident detection device, operate according to the operating control command to notify a driver of a vehicle within a radius therefrom of the presence of the agricultural machine.
    Type: Application
    Filed: December 27, 2022
    Publication date: February 15, 2024
    Applicant: INPLAB Inc.
    Inventors: Yong Min MOON, Jung Hyo LEE, Min Gyu KIM
  • Patent number: 11781040
    Abstract: Provided are an adhesive film and an optical member comprising same, the adhesive film comprising at least two types of (meth)acrylic monomers for a (meth)acrylic prepolymer, and (meth)acrylate containing silicon, wherein the release force of the adhesive film with respect to a polyimide film is approximately 0.5 gf/in to 5 gf/in.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: October 10, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ji Ho Kim, Tae Ji Kim, Jung Hyo Lee, Il Jin Kim, Dong Myeong Shin, Do Young Kim, Young Hoon Kim, Oh Hyeon Hwang
  • Publication number: 20220306911
    Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including a (meth)acrylic copolymer, a curing agent, an aromatic group-containing mono- or higher functional monomer, and an initiator, and has a peel strength increase rate of 5.0 or more, as calculated according to Equation 1 herein.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 29, 2022
    Inventors: Jung Hyo LEE, Won KIM, Tae Ji KIM, Oh Hyeon HWANG, Il Jin KIM, Dong Heon YUN, Ji Hye LEE
  • Publication number: 20220306910
    Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including a (meth)acrylic copolymer, a curing agent, a mono- or higher functional monomer, a binder having a melting point of about 30° C. to about 60° C., and an initiator, and has a peel strength increase rate of 7.0 or more, as calculated according to Equation 1 herein.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 29, 2022
    Inventors: Jung Hyo LEE, Won KIM, Oh Hyeon HWANG, Irina NAM, Il Jin KIM, Dong Heon YUN
  • Publication number: 20220306915
    Abstract: An adhesive film, an optical member including the same, and an optical display apparatus including the same are provided. An adhesive film is formed of an adhesive composition including a (meth)acrylic copolymer, a curing agent, a mono- or higher functional monomer, a light-to-heat conversion material, and an initiator, and has a peel strength increase rate of 5.0 or more, as calculated according to Equation 1 herein.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 29, 2022
    Inventors: Jung Hyo LEE, Won KIM, Tae Ji KIM, Oh Hyeon HWANG, Irina NAM, Il Jin KIM
  • Publication number: 20210371713
    Abstract: Disclosed herein are an adhesive protective film, an optical member including the same, and an optical display including the same. An adhesive protective film is formed of a composition including a (meth)acrylic binder derived from a monomer mixture including: an alkyl group-containing (meth)acrylic monomer; and at least one selected from among a hydroxyl group-containing (meth)acrylic monomer, a carboxyl group-containing (meth)acrylic monomer, and a polysiloxane (meth)acrylate, the adhesive protective film having an initial peel strength of about 100 gf/inch or less and a peel strength decrease rate of about 50% or less, as calculated according to Equation 1.
    Type: Application
    Filed: May 27, 2021
    Publication date: December 2, 2021
    Inventors: Irina NAM, Tae Ji KIM, Won KIM, Il Jin KIM, Jung Hyo LEE, Oh Hyeon HWANG
  • Publication number: 20200347269
    Abstract: Provided are an adhesive film and an optical member comprising same, the adhesive film comprising at least two types of (meth)acrylic monomers for a (meth)acrylic prepolymer, and (meth)acrylate containing silicon, wherein the release force of the adhesive film with respect to a polyimide film is approximately 0.5 gf/in to 5 gf/in.
    Type: Application
    Filed: August 30, 2018
    Publication date: November 5, 2020
    Inventors: Ji Ho KIM, Tae Ji KIM, Jung Hyo LEE, Il Jin KIM, Dong Myeong SHIN, Do Young KIM, Young Hoon KIM, Oh Hyeon HWANG
  • Patent number: 10797261
    Abstract: The present invention relates to a display film and, more particularly, to a display film comprising a substrate layer and a coating layer formed on one surface of the substrate layer, wherein a first critical radius of curvature measured in a direction in which the side surface of the coating layer becomes concave is at most about 10 mm, and a second critical radius of curvature measured in a direction in which the side surface of the substrate layer becomes concave is at most about 5 mm. The display film according to the present invention has a high surface hardness while exhibiting superior flexibility in both directions vertical to the plane direction of the film and thus is suitable for application as an outer window film for a display and particularly has the property of being applicable to a flexible display.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: October 6, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin Hee Choi, Kyoung Ku Kang, Si Kyun Park, Jung Hyo Lee, Sung Han Kim, Joo Hui Kim
  • Patent number: 10696016
    Abstract: A window film and a flexible display including the same. The window film includes a base layer, a window coating layer on a surface of the base layer, and a back coating layer on another surface of the base layer, wherein the window coating layer is formed from a composition for window coating layers comprising a silicon-based resin, and the window film has an elastic modulus of about 1,000 Mpa or more on the back coating layer and has a pencil hardness of about 6H or higher on an adhesive layer.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 30, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung Hyo Lee, Sung Han Kim, Si Kyun Park, Joo Hui Kim, Eun Su Lee, Jin Hee Choi, Nak Hyun Sung
  • Patent number: 10611925
    Abstract: Provided are: a composition for a window film, containing a siloxane resin including chemical formula 1 below and an iodonium ion-containing photo-cationic initiator; a flexible window film formed therefrom; and a flexible display device comprising the same. Chemical formula 1: (R1SiO3/2)x(R2R3SiO2/2)y.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 7, 2020
    Assignees: Samsung SDI CO., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Si Kyun Park, Kyoung Ku Kang, Jung Hyo Lee, Jin Hee Choi, Sung Han Kim, Joo Hui Kim, Nak Hyun Sung, Eun Su Lee
  • Patent number: 10508218
    Abstract: A window film includes a base layer and a coating layer formed on the base layer. The coating layer contains a silicone resin, and the window film contains a dye having a maximum absorption wavelength of about 500 nm to about 650 nm. A display includes the window film, and may be a flexible display.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: December 17, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jung Hyo Lee, Kyoung Ku Kang, Sung Han Kim, Joo Hui Kim, Si Kyun Park, Nak Hyun Sung, Jin Hee Choi
  • Patent number: 10450482
    Abstract: Provided are: a composition for a window film; a flexible window film formed therefrom; and a flexible display device comprising the same, wherein the composition contains: a siloxane resin comprising chemical Chemical Formula 1 or 2 or a mixture thereof; a cross-linking agent; and an initiator, the cross-linking agent being contained in a content of about 10-30 parts by weight on the basis of 100 parts by weight of the siloxane resin or the mixture thereof.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: October 22, 2019
    Assignees: Samsung SDI Co., Ltd., Samsung Electronics Co., Ltd.
    Inventors: Joo Hui Kim, Si Kyun Park, Kyoung Ku Kang, Sung Han Kim, Jung Hyo Lee, Jin Hee Choi
  • Publication number: 20170349786
    Abstract: Provided are: a composition for a window film; a flexible window film formed therefrom; and a flexible display device comprising the same, wherein the composition contains: a siloxane resin comprising chemical Chemical Formula 1 or 2 or a mixture thereof; a cross-linking agent; and an initiator, the cross-linking agent being contained in a content of about 10-30 parts by weight on the basis of 100 parts by weight of the siloxane resin or the mixture thereof.
    Type: Application
    Filed: December 16, 2015
    Publication date: December 7, 2017
    Inventors: Joo Hui Kim, Si Kyun Park, Kyoung Ku Kang, Sung Han Kim, Jung Hyo Lee, Jin Hee Choi
  • Publication number: 20170349787
    Abstract: Provided are: a composition for a window film, containing a siloxane resin including chemical formula 1 below and an iodonium ion-containing photo-cationic initiator; a flexible window film formed therefrom; and a flexible display device comprising the same. Chemical formula 1: (R1SiO3/2)x(R2R3SiO2/2)y.
    Type: Application
    Filed: December 22, 2015
    Publication date: December 7, 2017
    Inventors: Si Kyun Park, Kyoung Ku Kang, Jung Hyo Lee, Jin Hee Choi, Sung Han Kim, Joo Hui Kim, Nak Hyun Sung, Eun Su Lee
  • Publication number: 20170324059
    Abstract: The present invention relates to a display film and, more particularly, to a display film comprising a substrate layer and a coating layer formed on one surface of the substrate layer, wherein a first critical radius of curvature measured in a direction in which the side surface of the coating layer becomes concave is at most about 10 mm, and a second critical radius of curvature measured in a direction in which the side surface of the substrate layer becomes concave is at most about 5 mm. The display film according to the present invention has a high surface hardness while exhibiting superior flexibility in both directions vertical to the plane direction of the film and thus is suitable for application as an outer window film for a display and particularly has the property of being applicable to a flexible display.
    Type: Application
    Filed: October 19, 2015
    Publication date: November 9, 2017
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Jin Hee Choi, Kyoung Ku Kang, Si Kyun Park, Jung Hyo Lee, Sung Han Kim, Joo Hui Kim
  • Patent number: 9688088
    Abstract: The present invention relates to a thermal transfer film comprising: a base layer; and a light-to-heat conversion layer which is laminated on top of the base layer and includes a first layer laminated on top of the base layer and a second layer laminated on top of the first layer in the thickness direction, wherein light-to-heat conversion materials are more omnipresent in the first layer than the second layer. The present invention also relates to an organic electroluminescent device prepared using said film.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 27, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jung Hyo Lee, Kyoung Ku Kang, Si Kyun Park, Seong Heun Cho, Sung Han Kim, Se Hyun Park, Eun Su Lee, Jin Hee Choi
  • Patent number: 9676219
    Abstract: The present invention relates to a heat transfer film and an organic electroluminescent element manufactured using the same. More specifically, the present invention relates to: a heat transfer film comprising a base film and an outermost layer formed on the base film, wherein a ratio of an elastic modulus of the outermost layer to an elastic modulus of the base film at 25° C. and relative humidity of 45% is approximately 1 or more; and an organic electroluminescent element manufactured using the same.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: June 13, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Seong Heun Cho, Kyoung Ku Kang, Si Kyun Park, Sung Han Kim, Se Hyun Park, Eun Su Lee, Jung Hyo Lee, Jin Hee Choi
  • Patent number: 9656499
    Abstract: The present invention relates to a thermal transfer film, a method for manufacturing the same, and an organic electroluminescent element manufactured by using the thermal transfer film, and the thermal transfer film comprises: a base film; a photothermal conversion layer formed on the upper part of the base film; and a coating layer formed on the lower part of the base film.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: May 23, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jin Hee Choi, Kyoung Ku Kang, Se Hyun Park, Seong Heun Cho, Jung Hyo Lee