Patents by Inventor Se-Hee Lee

Se-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: 9780325
    Abstract: Disclosed is an organic light emitting display device having excellent lifespan and current efficiency characteristics, as well as high luminance to provide increased resolution and improved reliability, and a method for manufacturing the same. The organic light emitting display device comprises a substrate having first, second, and third pixel regions; a first electrode arranged on the substrate; a second electrode arranged on the first electrode; and an organic layer arranged between the first electrode and the second electrode. The organic layer includes first, second and third organic layers on the first, second and third pixel regions, respectively. Each of the first, second and third organic layers includes a plurality unit organic layers and at least one charge generating layer arranged between the plurality of unit organic layers.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: October 3, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Se Hee Lee
  • Publication number: 20170263925
    Abstract: A positive active material for a rechargeable lithium battery includes a first oxide particle having a layered structure and a second oxide layer located in a surface of the first oxide particle and including a second oxide represented by the following Chemical Formula 1: MaLbOc, wherein in Chemical Formula 1, 0<a?3, 1?b?2, 3.8?c?4.2, M is at least one element selected from the group of Mg, Al, Ga, and combinations thereof, and L is at least one element selected from of group Ti, Zr, and combinations thereof.
    Type: Application
    Filed: January 23, 2017
    Publication date: September 14, 2017
    Inventors: Jae-Hyun SHIM, Ki-Soo LEE, Se-Hee LEE, Hyeon-Ah JU
  • Publication number: 20170256744
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device includes a first emission unit configured to include a common blue emission material layer which is included in common in a plurality of pixels emitting lights having different wavelength ranges, a second emission unit configured to include a red emission material layer, a green emission material layer, and a blue emission material layer which respectively emit lights having different wavelength ranges, a charge generation layer disposed between the first emission unit and the second emission unit, a first electrode formed as a reflective electrode, and configured to supply an electric charge having a first polarity to the first emission unit and the second emission unit, and a second electrode formed as a semi-transmissive electrode, and configured to supply an electric charge having a second polarity to the first emission unit and the second emission unit.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 7, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Joo Hwan Hwang, Sang Kyoung Moon
  • Patent number: 9692013
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device includes a first emission unit configured to include a common blue emission material layer which is included in common in a plurality of pixels emitting lights having different wavelength ranges, a second emission unit configured to include a red emission material layer, a green emission material layer, and a blue emission material layer which respectively emit lights having different wavelength ranges, a charge generation layer disposed between the first emission unit and the second emission unit, a first electrode formed as a reflective electrode, and configured to supply an electric charge having a first polarity to the first emission unit and the second emission unit, and a second electrode formed as a semi-transmissive electrode, and configured to supply an electric charge having a second polarity to the first emission unit and the second emission unit.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: June 27, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Joo Hwan Hwang, Sang Kyoung Moon
  • Patent number: 9570519
    Abstract: Discussed is an organic light emitting display device. The organic light emitting display device includes a substrate in which red, green, and blue pixel areas are defined, a first electrode and a hole transport layer formed on the substrate, first to third emitting material layers formed in each of the red, green, and blue pixel areas on the hole transport layer, a first electron transport layer formed on the first to third emitting material layers, a first charge generation layer formed on the first electron transport layer, a second charge generation layer formed on the first charge generation layer, fourth to sixth emitting material layers formed in each of the red, green, and blue pixel areas on the second charge generation layer, a second electron transport layer formed on the fourth to sixth emitting material layers, and a second electrode formed on the second electron transport layer.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: February 14, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Se Hee Lee
  • Patent number: 9570701
    Abstract: Disclosed is an organic light emitting device which facilitates to realize a long lifespan and to satisfy a color region, wherein the organic light emitting device may include an organic emitting layer including red, green and blue emitting layers, the organic emitting layer provided between first and second electrodes; and a plurality of dopants included in at least any one of the red, green and blue emitting layers, wherein a maximum intrinsic luminescence wavelength of any one dopant among the plurality of dopants is different from a maximum intrinsic luminescence wavelength of another dopant among the plurality of dopants.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: February 14, 2017
    Assignee: LG Display Co., Ltd.
    Inventor: Se-Hee Lee
  • Publication number: 20170040389
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, an light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.
    Type: Application
    Filed: October 25, 2016
    Publication date: February 9, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
  • Patent number: 9559323
    Abstract: An organic light emitting display device includes a first electrode formed on a substrate and being a reflective electrode, a second electrode facing the first electrode and being a semi-transparent electrode, and red, green and blue emission layers formed between the first and second electrodes, wherein a maximum electroluminescent peak of the redemission layer and a maximum photoluminescence peak of a host included in the red emission layer satisfy Equation 1 below: REDEL?max?RHPL?max?120 nm??<Equation 1> wherein REDEL?max is a maximum electroluminescent peak of the red emission layer, and RHPL?max is a maximum photoluminescence peak of a red host included in the red emission layer.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: January 31, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Se-Hee Lee, Kwan-Soo Kim, Seok-Jong Lee, Jin-Ho Park, Sun-Kap Kwon
  • Patent number: 9537113
    Abstract: An organic light emitting display device with improved thermal reliability is disclosed. The organic light emitting display device includes a substrate, and an organic light emitting device that includes a first electrode, an organic light emitting layer including a first host, a second host, and a dopant, and a second electrode sequentially stacked on the substrate. The first host and the second host have different glass transition temperatures.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: January 3, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: Se-Hee Lee, Eun-Jung Park
  • Patent number: 9508948
    Abstract: Disclosed is an organic light emitting display device. The organic light emitting display device includes a substrate in which at least three pixel areas are defined, a first electrode and a hole transporting layer formed on the substrate, an light-emitting material layer formed on the hole transporting layer in each of the pixel areas, and an electron transporting layer and a second electrode formed on the light-emitting material layer. An optical assistant transporting layer is formed on the light-emitting material layer at a position corresponding to one of the pixel areas, and formed of an electron transporting material. Accordingly, provided can be a high-resolution organic light emitting display device that solves an imbalance of electric charges and has an excellent light output efficiency and an enhanced service life.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: November 29, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
  • Patent number: 9502475
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device includes a first emission unit configured to include a first red emission layer which emits red light, a first green emission layer which emits green light, and a first blue emission layer which emits blue light, a second emission unit configured to include a second red emission layer which emits red light, a second green emission layer which emits green light, and a second blue emission layer which emits blue light, a charge generation layer disposed between the first emission unit and the second emission unit, a first electrode formed as a reflective electrode, and configured to supply an electric charge having a first polarity to the first emission unit and the second emission unit, and a second electrode configured to supply an electric charge having a second polarity to the first and second emission units.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: November 22, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Se Hee Lee
  • Publication number: 20160324445
    Abstract: A method of providing information according to a gait posture and an electronic device for the same are provided. The method includes collecting sensor values detected using a plurality of sensors located at the surrounding of a user's feet, determining a user's gait posture by using the detected sensor values, and outputting at least one of information on the user's gait posture, information on muscle fatigue of the user according to the gait, information on joint fatigue of the user according to the gait, and information on a recommended exercise for the user based on the determined user's gait posture.
    Type: Application
    Filed: May 4, 2016
    Publication date: November 10, 2016
    Inventors: Jeong-Bin KIM, Se-Hee LEE, Sung-Gook KIM, Tae-Hyun KIM, Soon-Seok OH, Hyung-Jin CHO
  • Publication number: 20160261002
    Abstract: An electrochemical cell including a multi-layer solid-state electrolyte, a battery including the cell, and a method of forming the battery and cell are disclosed. The electrolyte includes a first layer that is compatible with the anode of the cell and a second layer that is compatible with the cathode of the cell. The cell exhibits improved performance compared to cells including a single-layer electrolyte.
    Type: Application
    Filed: March 9, 2016
    Publication date: September 8, 2016
    Inventors: JAMES TREVEY, SE-HEE LEE, JAE-HA WOO
  • Publication number: 20160248082
    Abstract: Described herein are various embodiments of methods of making an all-solid-state electrode material for a rechargeable battery comprising in a first mixing step, mixing one of a transition metal phosphide, a transition metal oxide, and a transition metal sulfide with sulfur to produce a first mixture, in a first heat-treating step, heating the first mixture to a temperature ranging between about 250 degrees C. and about 450 degrees C. to produce a heat-treated second mixture comprising an active material and a glass former/electrolyte precursor, in a second mixing step, mixing the second mixture with a glass/electrolyte modifier to produce a third mixture, and permitting the third mixture to react to produce the cathode material, the cathode material comprising the active material and a solid state electrolyte. Electrode materials, electrodes, and batteries made using the foregoing and similar methods are also described.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 25, 2016
    Inventors: Thomas A. YERSAK, Tyler EVANS, Se-Hee LEE, Justin Michael WHITELEY
  • Patent number: 9412792
    Abstract: Disclosed is an organic light emitting device. The organic light emitting device includes a first emission unit configured to include a first red emission layer which emits red light, a first green emission layer which emits green light, and a first blue emission layer which emits blue light, a second emission unit configured to include a second red emission layer which emits red light, a second green emission layer which emits green light, and a second blue emission layer which emits blue light, a charge generation layer disposed between the first emission unit and the second emission unit, a first electrode formed as a reflective electrode, and configured to supply an electric charge having a first polarity to the first emission unit and the second emission unit, and a second electrode configured to supply an electric charge having a second polarity to the first and second emission units.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: August 9, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Se Hee Lee
  • Publication number: 20160181610
    Abstract: A positive active material for a rechargeable lithium battery includes a LiCoO2 particle. An interior of the particle has a layered structure and a surface of the particle has a spinel structure.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 23, 2016
    Inventors: Jae-Hyun SHIM, Ki-Soo LEE, Jae-Han LEE, Se-Hee LEE, Hyeon-Ah JU, Eun-Cheol LEE, Joo-Han SONG, Yun-Hee LEE
  • Publication number: 20160149215
    Abstract: A positive active material for a rechargeable lithium battery includes a lithium intercalation compound; and lithium titanium oxide represented by Chemical Formula 1 on the surface of the lithium intercalation compound surface. Li4-xMxTiyO12-z. ??Chemical Formula 1 In the Chemical Formula 1, 0<x?3, 1?y?5, ?0.3?z?0.3, and M is an element selected from Mg, Al, Ga, La, Tb, Gd, Ce, Pr, Nd, Sm, Ba, Sr, Ca, and combinations thereof.
    Type: Application
    Filed: November 20, 2015
    Publication date: May 26, 2016
    Inventors: Jae-Hyun Shim, Ki-Soo Lee, Ho Kim, Jae-Han Lee, Se-Hee Lee, Hyeon-Ah Ju, Joo-Han Song, Yoon-Hee Lee
  • Publication number: 20160126485
    Abstract: Discussed is an organic light emitting display device. The organic light emitting display device includes a substrate in which red, green, and blue pixel areas are defined, a first electrode and a hole transport layer formed on the substrate, first to third emitting material layers formed in each of the red, green, and blue pixel areas on the hole transport layer, a first electron transport layer formed on the first to third emitting material layers, a first charge generation layer formed on the first electron transport layer, a second charge generation layer formed on the first charge generation layer, fourth to sixth emitting material layers formed in each of the red, green, and blue pixel areas on the second charge generation layer, a second electron transport layer formed on the fourth to sixth emitting material layers, and a second electrode formed on the second electron transport layer.
    Type: Application
    Filed: October 29, 2014
    Publication date: May 5, 2016
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Se Hee LEE
  • Patent number: 9301129
    Abstract: A method and a terminal are described for providing a circuit switched (CS) service, a session initiation protocol (SIP)-based service, or a CSI service which is a combination of the CS service and an Internet Protocol (IP) multimedia subsystem (IMS) service. The terminal may receive a terminal capability version of at least one target terminal, and compare the received terminal capability version with a previously stored terminal capability version of the at least one target terminal. The terminal may send a message for requesting for terminal capability information of the at least one target terminal, if the received terminal capability version of the at least one target terminal is different from the previously stored terminal capability version of the at least one target terminal based on the comparison result. Otherwise, a CS or IMS process is implemented.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: March 29, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Jae-Seung Song, Hyun-Sook Kim, Se-Hee Lee, Song-Rae Cho, Kyung-Ae Yoon
  • Patent number: 9252379
    Abstract: Disclosed is an organic light emitting device that may, for example, include a red pixel including a first red emission layer and a second red emission layer that emit red lights; a green pixel including a first green emission layer and a second green emission layer that emit green lights; a blue pixel including a first blue emission layer and a second blue emission layer that emit blue lights; and a first electrode and a second electrode that supply electric charges to the red, green and blue pixels, wherein a first emission layer and a second emission layer of at least one of the red, green and blue pixels include different materials between a fluorescent material and a phosphor material.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: February 2, 2016
    Assignee: LG Display Co., Ltd.
    Inventor: Se Hee Lee