Patents by Inventor Sun-Kap Kwon
Sun-Kap Kwon 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).
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Publication number: 20230209859Abstract: An organic light emitting diode includes a first emitting part including a first emitting material layer (EML) and a first electron transporting layer (ETL), a second emitting part including a second EML and between the first emitting part and the second electrode, an n-type charge generation layer (CGL) contacting the first ETL and between the first ETL and the second emitting part, and a p-type CGL contacting the n-type CGL and between the n-type CGL and the second emitting part. The first ETL includes a first compound, and the n-type CGL includes a second compound and an n-type dopant. A lowest unoccupied molecular orbital (LUMO) energy level of the first compound can be higher than a LUMO energy level of the second compound.Type: ApplicationFiled: November 4, 2022Publication date: June 29, 2023Applicant: LG Display Co., Ltd.Inventors: Jeong-Dae SEO, Shin-Han KIM, Min-Surk HYUNG, Kyu-Il HAN, Jin-Ho PARK, Seung-Kwang ROH, Sun-Kap KWON
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Publication number: 20220173323Abstract: An organic light emitting diode and an organic light emitting device containing the same are provided. The organic light emitting diode includes at least two emitting parts each of which includes independently an emitting material layer. Each of the emitting material layers includes independently an anthracene-based host having different deuterium substitution rates. The organic light emitting device includes the organic light emitting diode. Hosts with different deuterium substitution rates are introduced into each organic emitting material layer to improve luminous efficiency and luminous lifespan of the organic light emitting diode and the organic light emitting device.Type: ApplicationFiled: December 1, 2021Publication date: June 2, 2022Inventors: Young-Jun YU, Sang-Beom KIM, Hyun-Chul CHOI, Ji-Ho BAEK, In-Bum SONG, Jeong-Dae SEO, Sun-Kap KWON
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Patent number: 10553808Abstract: An organic light-emitting display device has improved transmittance and UV light reliability by optimizing the thickness and material of a cathode. An organic light-emitting display device comprises an organic light-emitting element on a substrate, the organic light-emitting element including an anode, an organic light emitting layer, and a cathode, an organic layer between the substrate and the organic light-emitting element, and an auxiliary layer adjacent to the cathode and including a material having electron injection ability, such that the influence of UV lights on the OLED device is reduced, thereby improving the efficiency and lifespan of the organic light-emitting element.Type: GrantFiled: August 9, 2017Date of Patent: February 4, 2020Assignee: LG Display Co., Ltd.Inventors: Sun Kap Kwon, Kwan Soo Kim, Kyu Il Han, Kwang Hyun Kim, Mi Na Kim
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Patent number: 10297643Abstract: 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, a 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: GrantFiled: October 25, 2016Date of Patent: May 21, 2019Assignee: LG Display Co., Ltd.Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
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Patent number: 10263045Abstract: 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, a 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: GrantFiled: October 25, 2016Date of Patent: April 16, 2019Assignee: LG Display Co., Ltd.Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
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Publication number: 20180062104Abstract: An organic light-emitting display device has improved transmittance and UV light reliability by optimizing the thickness and material of a cathode. An organic light-emitting display device comprises an organic light-emitting element on a substrate, the organic light-emitting element including an anode, an organic light emitting layer, and a cathode, an organic layer between the substrate and the organic light-emitting element, and an auxiliary layer adjacent to the cathode and including a material having electron injection ability, such that the influence of UV lights on the OLED device is reduced, thereby improving the efficiency and lifespan of the organic light-emitting element.Type: ApplicationFiled: August 9, 2017Publication date: March 1, 2018Inventors: Sun Kap KWON, Kwan Soo KIM, Kyu Il HAN, Kwang Hyun KIM, Mi Na KIM
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Patent number: 9905788Abstract: An organic light emitting display includes a red light emitting layer, a green light emitting layer and a blue light emitting layer formed between first and second electrodes, a hole-transporting layer formed between the first electrode and each of the red, the green and the blue light emitting layers, and an electron-transporting layer formed between the second electrode and each of the red, the green and the blue light emitting layers, wherein at least one light emitting layer of the red, the green and the blue light emitting layers includes a first light emitting layer including a light emitting host and a light emitting dopant, and a second light emitting layer which is formed between the first light emitting layer and at least one of the electron-transporting layer and the hole-transporting layer, and includes the light emitting dopant.Type: GrantFiled: November 22, 2013Date of Patent: February 27, 2018Assignee: LG Display Co., Ltd.Inventors: Se-Hee Lee, Sun-Kap Kwon
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Publication number: 20170040389Abstract: 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: ApplicationFiled: October 25, 2016Publication date: February 9, 2017Applicant: LG Display Co., Ltd.Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
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Patent number: 9559323Abstract: 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: GrantFiled: December 17, 2013Date of Patent: January 31, 2017Assignee: LG DISPLAY CO., LTD.Inventors: Se-Hee Lee, Kwan-Soo Kim, Seok-Jong Lee, Jin-Ho Park, Sun-Kap Kwon
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Patent number: 9508948Abstract: 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: GrantFiled: December 16, 2013Date of Patent: November 29, 2016Assignee: LG Display Co., Ltd.Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
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Patent number: 9150954Abstract: There is provided a light-emitting diode including: a first electrode including a reflective metal layer and a transparent conductive material layer formed on the reflective metal layer; an emitting material layer formed on the first electrode and including a light-emitting layer formed with a host and first and second dopants; and a second electrode formed on the emitting material layer and being a semi-transparent electrode, wherein a first wavelength corresponding to a peak value of a photo luminescence (PL) spectrum of the first dopant is shorter than a second wavelength corresponding to a peak value of an electro luminescence (EL) spectrum of the first dopant, and a third wavelength corresponding to a peak value of a PL spectrum of the second dopant is longer than a fourth wavelength corresponding to a peak value of an EL spectrum of the second dopant.Type: GrantFiled: October 26, 2012Date of Patent: October 6, 2015Assignee: LG Display Co., Ltd.Inventors: Se-Hee Lee, Sun-Kap Kwon
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Patent number: 8987716Abstract: There is provided an organic light-emitting diode (OLED) display device, including: a first substrate on which a plurality of sub-pixel areas are defined; a plurality of first electrodes in the plurality of sub-pixel areas, respectively; and a plurality of light-emitting layers over the plurality of first electrodes and corresponding to the plurality of sub-pixel areas, respectively; wherein at least one of the plurality of light-emitting layers extends to a neighboring sub-pixel area among the plurality of sub-pixel areas, and has an occupied area in the neighboring sub-pixel area.Type: GrantFiled: December 7, 2012Date of Patent: March 24, 2015Assignee: LG Display Co., Ltd.Inventors: Se-Hee Lee, Sun-Kap Kwon
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Publication number: 20140183482Abstract: 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: ApplicationFiled: December 16, 2013Publication date: July 3, 2014Applicant: LG Display Co., Ltd.Inventors: Se Hee Lee, Seok Jong Lee, Sun Kap Kwon, Ho Sung Kim
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Publication number: 20140167015Abstract: 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: ApplicationFiled: December 17, 2013Publication date: June 19, 2014Applicant: LG DISPLAY CO., LTD.Inventors: Se-Hee LEE, Kwan-Soo KIM, Seok-Jong LEE, Jin-Ho PARK, Sun-Kap KWON
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Publication number: 20140151658Abstract: An organic light emitting display includes a red light emitting layer, a green light emitting layer and a blue light emitting layer formed between first and second electrodes, a hole-transporting layer formed between the first electrode and each of the red, the green and the blue light emitting layers, and an electron-transporting layer formed between the second electrode and each of the red, the green and the blue light emitting layers, wherein at least one light emitting layer of the red, the green and the blue light emitting layers includes a first light emitting layer including a light emitting host and a light emitting dopant, and a second light emitting layer which is formed between the first light emitting layer and at least one of the electron-transporting layer and the hole-transporting layer, and includes the light emitting dopant.Type: ApplicationFiled: November 22, 2013Publication date: June 5, 2014Applicant: LG Display Co., Ltd.Inventors: Se-Hee Lee, Sun-Kap Kwon