Patents by Inventor Chang Hee Lee

Chang Hee 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: 11027525
    Abstract: The present disclosure provides a curved laminated glass including a curved soda lime glass and a curved thin plate glass provided on a concave surface of the curved soda lime glass, in which a thickness of the curved soda lime glass is larger than a thickness of the curved thin plate glass, and compressive stress is formed on a surface opposite to a surface of the curved thin plate glass adjacent to the curved soda lime glass.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: June 8, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jun Hak Oh, Chang Hee Lee, Jae Hyuk Yoon, Ho Seong Kang
  • Patent number: 11022338
    Abstract: An air conditioner of present invention comprises a housing having an outer panel forming the exterior and an opening formed on the outer panel, a heat exchanger configured to exchange heat with air flowing into the housing, and a door unit configured to open or close the opening by moving forward or backward from the opening through which the heat exchanged air is discharged. Wherein the door unit comprises a door blade configured to open or close the opening, a door operating part configured to move the door blade forward or backward, and a controller configured to control the air discharged from the opening to be moved forward from the opening in a straight line or to be discharged radially from the opening by controlling a distance between the door blade and the opening.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: June 1, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Hyun Chun, Jin Gyun Kim, Seong Deok Cheon, Sung Bum Kang, Jun Seok Kwon, Sung Jae Kim, Jong Whal Kim, Ji Hong Kim, Seung Won Oh, Sang Ki Yoon, Yeon Seob Yun, Won Hee Lee, Chang Sik Lee, Hyun Joo Jeon, Jae Rim Jung, Chang Woo Jung, Weon Seok Choi
  • Publication number: 20210159529
    Abstract: The present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell. More specifically, the present invention relates to a method for manufacturing a membrane-electrode assembly, a membrane-electrode assembly, and a fuel cell, the method comprising: preparing an electrode layer; preparing a porous support layer; and positioning the electrode layer on each of both surfaces of the porous support layer, and hot pressing the electrode layer positioned on both surfaces of the porous support layer, wherein the preparing of the electrode layer comprises: forming a functional layer including a hydrogen ion conductive binder resin on at least a portion on an electrode catalyst layer; and forming an electrolyte layer on at least a portion on the functional layer.
    Type: Application
    Filed: March 12, 2020
    Publication date: May 27, 2021
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Sung Hee SHIN, Byung Chan BAE, Seok Hee PARK, Chang Soo KIM, Won Yong LEE, Gu Gon PARK, Tae Hyun YANG, Sung Dae YIM, Min Jin KIM, Young Jun SOHN, Seung Gon KIM, Dong Won SHIN, Hwan Yeong OH, Hye Jin LEE
  • Patent number: 11016331
    Abstract: A display panel includes an upper display substrate and a lower display substrate. The upper display substrate includes a base substrate, a first partition wall on the base substrate, overlapping the light blocking area, and configured to define first, second, and third internal regions corresponding to the first, second, and third pixel areas, a second partition wall extending from the first partition wall, overlapping at least one area of the first, second, and third pixel areas, and configured to partition a region corresponding to the at least one area into partial regions, and first, second, and third color control layers respectively located in the first, second, and third internal regions.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: May 25, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-hun Lee, Min-jae Kim, Min-hee Kim, Taehoon Kim, Kyunghae Park, Joon-hyoung Park, Danbi Yang
  • Patent number: 11018418
    Abstract: A chip antenna includes a radiation portion having a block shape and a first surface and a second surface opposing each other, and configured to receive and radiate a feed signal as an electromagnetic wave; a first block made of a dielectric material and coupled to the first surface of the radiation portion; a second block made of a dielectric material and coupled to the second surface of the radiation portion; a ground portion having a block shape and coupled to the first block, and configured to reflect the electromagnetic wave radiated by the radiation portion back toward the radiation portion; and a director having a block shape and coupled to the second block, wherein an overall width of the ground portion, the first block, and the radiation portion is 2 mm or less, and the first block has a dielectric constant of 3.5 or more to 25 or less.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: May 25, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Yeong Kim, Sung Yong An, Sang Jong Lee, Seong Hee Choi, Kyu Bum Han, Jeong Ki Ryoo, Byeong Cheol Moon, Chang Hak Choi
  • Publication number: 20210141276
    Abstract: A liquid crystal display device is disclosed. The device may include an array substrate including a first substrate, which is placed adjacent to a backlight, and a thin film transistor and a touch electrode, which are provided on the first substrate, and an opposite substrate including a second substrate, which faces the first substrate with a liquid crystal layer interposed therebetween, and a static electricity prevention layer, which is deposited on an outer surface of the second substrate. The static electricity prevention layer is formed of a host material containing at least one of In2O3 and SnO2 and a dopant material containing at least one of SiO2, ZrO2, HfO2, Nb2O5, and Ta2O5 and has sheet resistance of about 106.5 ?/sq to about 109 ?/sq.
    Type: Application
    Filed: November 5, 2020
    Publication date: May 13, 2021
    Inventors: Chang-Eun KIM, Sung-Hee KIM, Su-Jeong LEE
  • Publication number: 20210120959
    Abstract: The present invention relates to a seat lock including: a fixed bracket fixed to a leg of a chair; a locking unit disposed on the fixed bracket; and a movable bracket fixed to a seat of the chair in such a manner as to rotate together with the seat and having a seat rotation shaft and a locking piece coupled to an end periphery of the seat rotation shaft in such a manner as to be exposed to the outside, wherein the locking unit includes a driving motor having a driving shaft, a driving cam fitted to the driving shaft of the driving motor, and a latch rotating in a range of a given angle around a shaft fixed to the fixed bracket to limit the rotational movement of the locking piece. According to the present invention, the seat lock can utilize the locking unit to allow the seat to be more efficiently managed.
    Type: Application
    Filed: August 2, 2019
    Publication date: April 29, 2021
    Inventors: Sang Kyu KIM, Jang Soo KIM, Young Su NO, Huy Jong BAK, Geum ang YOO, Sang Heon LEE, Ja Bin LEE, Young Wook CHOI, Matthew HAN, Seo Hee KIM, Ok Sun KIM, Dong Jin LEE, Chang Moo HEO, Jin Chul Kim, Man Soon LIM
  • Patent number: 10991157
    Abstract: Disclosed herein are a method and apparatus for matching 3D terrain information based on aerial images captured at different altitudes.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: April 27, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jung-Jae Yu, Kyung-Kyu Kang, Hye-Sun Kim, Chang-Joon Park, Yun-Ji Ban, Dong-Wan Ryoo, Man-Hee Lee, Chang-Woo Chu
  • Publication number: 20210119167
    Abstract: The present disclosure relates to an organic light-emitting diode: comprising a first electrode; a second electrode facing the first electrode; and a hole transport layer and a light-emitting layer disposed in that order between the first and the second electrode, wherein the light-emitting layer includes a host and a hole assistant material represented by the following Chemical Formula A, the hole assistant material having a highest occupied molecular orbital (HOMO) energy level lower in absolute value than that of the host.
    Type: Application
    Filed: December 17, 2020
    Publication date: April 22, 2021
    Inventors: Young-Hwan PARK, Seo-Yeon Yoon, Chang-Hee Lee, So Young Shim
  • Publication number: 20210078304
    Abstract: The present disclosure relates to a method for manufacturing curved laminated glass and curved laminated glass manufactured by the same. The method includes providing a curved thick plate glass; providing a thin plate glass whose thickness is smaller than that of the curved thick plate glass; stacking a support film comprising a ductile layer and an elastic layer on one surface of the thin plate glass; positioning a lamination film or a bonding agent between the other surface of the thin plate glass and a concave surface of the curved thick plate glass; and laminating the thin plate glass so as to be aligned with a concave surface of the curved thick plate glass by elastically deforming the thin plate glass provided with the support film.
    Type: Application
    Filed: January 8, 2019
    Publication date: March 18, 2021
    Inventors: Jae Hyuk YOON, Jun Hak OH, Ho Seong KANG, Chang Hee LEE
  • Patent number: 10950814
    Abstract: The present disclosure relates to an organic light-emitting diode: comprising a first electrode; a second electrode facing the first electrode; and a hole transport layer and a light-emitting layer disposed in that order between the first and the second electrode, wherein the light-emitting layer includes a host and a hole assistant material represented by the following Chemical Formula A, the hole assistant material having a highest occupied molecular orbital (HOMO) energy level lower in absolute value than that of the host.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: March 16, 2021
    Assignee: SFC CO., LTD.
    Inventors: Young-Hwan Park, Seo-Yeon Yoon, Chang-Hee Lee, So Young Shim
  • Publication number: 20210053859
    Abstract: The present invention relates to a method capable of easily manufacturing a curved thin glass sheet and a curved joined glass sheet to which functionality is added.
    Type: Application
    Filed: May 21, 2019
    Publication date: February 25, 2021
    Inventors: Jun Hak Oh, Ho Seong Kang, Jae Hyuk Yoon, Chang Hee Lee
  • Patent number: 10919270
    Abstract: Provided is a laminated glass, comprising: a soda lime glass; and a non-tempered alkali-free glass bonded to one surface of the soda lime glass, in which a thickness of the soda lime glass is larger than a thickness of the non-tempered alkali-free glass, and an elastic modulus of the non-tempered alkali-free glass is larger than an elastic modulus of the soda lime glass.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: February 16, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Jun Hak Oh, Jae Hyuk Yoon, Chang Hee Lee, Byung Kook Choi
  • Patent number: 10886598
    Abstract: An antenna module includes: a coil part including an antenna wiring disposed on an insulating substrate; a first magnetic part disposed on a first surface of the insulating substrate; and a second magnetic part disposed on a second surface of the insulating substrate, wherein the first magnetic part and the second magnetic part overlap with each other on a center region of the antenna wiring.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 5, 2021
    Assignee: WITS Co., Ltd.
    Inventors: Hee Seung Kim, Ki Won Chang, Jae Sun Won, Chang Hee Lee, Hyo Jung Yoon
  • Patent number: 10830766
    Abstract: Natural and/or synthetic antibodies for specific proteins are adhered to nanoparticles. The nanoparticles are adhered to a substrate and the substrate is exposed to a sample that may contain the specific proteins. The substrates are then tested with surface enhanced Raman scattering techniques and/or localized surface plasmon resonance techniques to quantify the amount of the specific protein in the sample.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: November 10, 2020
    Assignee: Washington University
    Inventors: Srikanth Singamaneni, Evan Kharasch, Jeremiah Morrissey, Chang Hee Lee
  • Publication number: 20200339472
    Abstract: The present disclosure relates to a method of manufacturing a curved joined glass sheet having excellent optical quality by adjusting a radius of curvature of a curved thick glass sheet and a radius of curvature of a curved thin glass sheet.
    Type: Application
    Filed: May 20, 2019
    Publication date: October 29, 2020
    Inventors: Jae Hyuk YOON, Jun Hak OH, Ho Seong KANG, Chang Hee LEE
  • Patent number: 10741768
    Abstract: The present disclosure relates to an organic light-emitting diode exhibiting high luminance efficiency, low-voltage operation, and long lifespan and, more particularly, to an organic light-emitting diode, comprising: a first electrode; a second electrode facing the first electrode; and a light-emitting layer and an electron density control layer sequentially arranged between the first electrode and the second electrode wherein the light-emitting layer includes at least one of the amine compounds represented by Chemical Formula A or B and the electron density control layer includes at least one of the compounds represented by Chemical Formulas F to H. The structures of Chemical Formulas A, B, and F to H are as described in the specification.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: August 11, 2020
    Assignee: SFC CO., LTD.
    Inventors: Chang-Hee Lee, Hyun-Jong Seo, Seo-Yeon Yoon, So Young Shim, Si-In Kim
  • Patent number: 10662107
    Abstract: Provided is glass with high temperature stability, a low coefficient of thermal expansion and a high mechanical strength, a light guide plate including the glass to replace the conventional PMMA and metal frame, and fabricating methods thereof. The glass according to the present disclosure is borosilicate glass containing 75˜85 wt % of SiO2, 5˜15 wt % of B2O3, 0˜5 wt % of Al2O3, R2O 1˜7 wt % where R is at least one of Li, Na and K, and <0.005 wt % of Fe2O3 and having the redox ratio 0.5 or more. This glass maintains luminance and has an excellent color difference reduction effect when used in a light guide plate.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: May 26, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Du-Sun Hwang, Hyun-Jin Shim, Chang-Hee Lee, Byung-Kook Choi, Jun-Bo Choi
  • Patent number: 10622705
    Abstract: An antenna module disposed inside a conductive cover and performing near field communications includes: a wiring portion having antenna wirings formed on an insulating substrate and having a first surface facing an inner surface of the conductive cover and a second surface opposing the first surface; a first magnetic portion disposed between the first surface of the wiring portion and the conductive cover; and a second magnetic portion disposed on the second surface of the wiring portion, wherein the first magnetic portion and the second magnetic portion are disposed to partially overlap each other or to have edges thereof in vertical correspondence with each other.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: April 14, 2020
    Assignee: WITS Co., Ltd.
    Inventors: Jae Sun Won, Young Min Cheon, Hee Seung Kim, Jae Hyuk Jang, Gie Hyoun Kweon, Chang Hee Lee, Soon Joung Yio, Hyo Jung Yoon
  • Patent number: 10611672
    Abstract: Provided is glass with high temperature stability, a low coefficient of thermal expansion and a high mechanical strength, a light guide plate including the glass to replace the conventional PMMA and metal frame, and fabricating methods thereof. The glass according to the present disclosure is borosilicate glass containing 75˜85 wt % of SiO2, 5˜15 wt % of B2O3, 0˜5 wt % of Al2O3, R2O 1˜7 wt % where R is at least one of Li, Na and K, and <0.005 wt % of Fe2O3 and having the redox ratio 0.5 or more. This glass maintains luminance and has an excellent color difference reduction effect when used in a light guide plate.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: April 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Du-Sun Hwang, Hyun-Jin Shim, Chang-Hee Lee, Byung-Kook Choi, Jun-Bo Choi