Patents by Inventor Dong Kyu Seo
Dong Kyu Seo 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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Patent number: 12156416Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.Type: GrantFiled: August 11, 2023Date of Patent: November 26, 2024Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
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Publication number: 20240341162Abstract: Embodiments of a display device include a plurality of light emitting portions including a plurality of light emitting elements; and a sensing portion including a photoelectric conversion device, wherein the photoelectric conversion device includes a first electrode, common electrode facing the first electrode, and a hole injection layer, hole transport layer, resonance layer, and an active layer stacked between the first electrode and the common electrode, and wherein the light emitting elements include, a pixel electrode, the common electrode facing the pixel electrode, and the hole injection layer, hole transport layer, resonance layer, and a light emitting layer stacked between the pixel electrode and the common electrode, wherein a thickness of each of the resonance layers of light emitting elements are different from each other, and a thickness of the resonance layer of a light emitting element is the same as a thickness of the resonance layer.Type: ApplicationFiled: November 20, 2023Publication date: October 10, 2024Inventors: JUN YONG SHIN, SOUNG WOOK KIM, HWA SOOK RYU, DONG KYU SEO, SEOK GYU YOON, DAE HO LEE, HYE JIN JUNG, YOUNG EUN CHOI
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Publication number: 20230389350Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.Type: ApplicationFiled: August 11, 2023Publication date: November 30, 2023Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
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Patent number: 11793012Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.Type: GrantFiled: November 17, 2021Date of Patent: October 17, 2023Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Chang Woong Chu
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Patent number: 11770943Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.Type: GrantFiled: July 2, 2021Date of Patent: September 26, 2023Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
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Publication number: 20230289884Abstract: Provided is a control assessment management system including: a storage configured to store, as action items, control items required by laws and by compliances related to basic information and asset information of a company; an information input unit configured to receive basic information and asset information of a company to be evaluated, wherein the basic information includes general information, security duties, and organizational charts of the company, and the asset information includes information assets and personal information assets owned by the company to be evaluated; a processor configured to extract evaluation items from among the action items based on the basic information and the asset information; a result input unit configured to receive a control assessment result for each of the evaluation items; and an output unit configured to output a defective control item derived by the processor based on the control assessment result.Type: ApplicationFiled: October 30, 2020Publication date: September 14, 2023Inventors: Myung Hoon PARK, Dong Kyu SEO
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Publication number: 20220077415Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.Type: ApplicationFiled: November 17, 2021Publication date: March 10, 2022Inventors: Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Chang Woong CHU
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Patent number: 11211575Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.Type: GrantFiled: May 21, 2020Date of Patent: December 28, 2021Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Chang Woong Chu
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Patent number: 11177461Abstract: An organic light emitting diode display including: a substrate; an organic light emitting diode on the substrate; a capping layer on the organic light emitting diode and including a high refractive layer including an inorganic material having a refractive index that is equal to or greater than about 1.7 and equal to or less than about 6.0; and a thin film encapsulation layer covering the capping layer and the organic light emitting diode, the inorganic material including at least one selected from the group consisting of CuI, thallium iodide (TlI), BaS, Cu2O, CuO, BiI, WO3, TiO2, AgI, CdI2, HgI2, SnI2, PbI2, BiI3, ZnI2, MoO3, Ag2O, CdO, CoO, Pr2O3, SnS, PbS, CdS, CaS, ZnS, ZnTe, PbTe, CdTe, SnSe, PbSe, CdSe, AlAs, GaAs, InAs, GaP, InP, AlP, AlSb, GaSb, and InSb.Type: GrantFiled: May 31, 2019Date of Patent: November 16, 2021Assignee: Samsung Display Co., Ltd.Inventors: Won Jong Kim, Dong Chan Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
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Publication number: 20210336178Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.Type: ApplicationFiled: July 2, 2021Publication date: October 28, 2021Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
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Patent number: 11088341Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.Type: GrantFiled: June 16, 2020Date of Patent: August 10, 2021Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
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Patent number: 11050035Abstract: A light emitting diode includes a first electrode overlapping a second electrode, an emission layer between the first and second electrodes. a first hole injection layer and a second hole injection layer between the first electrode and the emission layer, and a first hole transporting layer between the first hole injection layer and the second hole injection layer. Each of the first and second hole injection layers includes an inorganic dipole material. At least one of the first hole injection layer or the second hole injection layer including an organic material.Type: GrantFiled: December 12, 2018Date of Patent: June 29, 2021Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Ji Young Moon, Dong Kyu Seo, Myung Chui Yeo, Ji Hye Lee, Yoon Hyeung Cho
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Publication number: 20200313110Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.Type: ApplicationFiled: June 16, 2020Publication date: October 1, 2020Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
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Publication number: 20200287152Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.Type: ApplicationFiled: May 21, 2020Publication date: September 10, 2020Inventors: Dong Chan KIM, Won Jong KIM, Eung Do KIM, Dong Kyu SEO, Da Hea IM, Sang Hoon YIM, Chang Woong CHU
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Patent number: 10749129Abstract: According to an embodiment of the present disclosure, an organic light emitting diode includes: a first electrode; a second electrode overlapping the first electrode; an emission layer positioned between the first electrode and the second electrode; an electron injection layer positioned between the emission layer and the second electrode; and an electron injection delay layer positioned between the emission layer and the electron injection layer, wherein the electron injection layer includes a first material made of a metal and a second material made of a metal halide, and the electron injection delay layer has a thickness of about 20 ? to about 140 ?.Type: GrantFiled: November 15, 2016Date of Patent: August 18, 2020Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Dong Kyu Seo, Ji Hye Lee, Sang Hoon Yim, Won Suk Han
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Patent number: 10665809Abstract: An organic light emitting diode, including a first electrode; a second electrode facing the first electrode, the second electrode including magnesium; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, the electron injection layer including a dipole material including a first component and a second component having different polarities, the dipole material including halide, and a content of the magnesium included in the second electrode being in a range of from 10 to 40 volume %.Type: GrantFiled: February 21, 2019Date of Patent: May 26, 2020Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Da Hea Im, Sang Hoon Yim, Chang Woong Chu
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Patent number: 10615360Abstract: An organic light emitting element according to an example embodiment of the present disclosure includes: an anode and a cathode facing each other; an emission layer between the anode and the cathode; an electron transfer layer between the emission layer and the cathode; and a buffer layer between the cathode and the electron transfer layer, wherein the buffer layer includes an inorganic metal halide having p-type semiconductor characteristics.Type: GrantFiled: March 24, 2016Date of Patent: April 7, 2020Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Eung Do Kim, Dong Kyu Seo, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
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Patent number: 10585217Abstract: A mirror substrate includes a transparent substrate, a plurality of first mirror patterns arranged on the transparent substrate and spaced apart from each other, each of the first mirror patterns including a phase compensation layer and a first mirror layer sequentially stacked on the transparent substrate, and a second mirror layer disposed on the transparent substrate and between neighboring ones of the first mirror patterns, the second mirror layer having a second thickness less than a first thickness of the first mirror layer.Type: GrantFiled: October 18, 2018Date of Patent: March 10, 2020Assignee: Samsung Display Co., Ltd.Inventors: Sang-Hoon Yim, Dong-Chan Kim, Won-Jong Kim, Eung-Do Kim, Dong-Kyu Seo, Ji-Hye Lee, Da-Hea Im, Yoon-Hyeung Cho, Won-Suk Han
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Patent number: 10510975Abstract: A light emitting diode and a light emitting diode display, the light emitting diode including a first electrode; a second electrode overlapping the first electrode; an emission layer between the first electrode and the second electrode; and an electron injection layer between the second electrode and the emission layer, wherein the electron injection layer includes a lanthanide element, an alkali meta first element, and a halogen second element, and wherein the first element and the second element are included in the electron injection layer in an amount of 1 vol % to 20 vol %, based on a total volume of a material including the lanthanide element, the first element, and the second element.Type: GrantFiled: August 15, 2017Date of Patent: December 17, 2019Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Dong Hoon Kim, Won Jong Kim, Ji Young Moon, Dong Kyu Seo, Ji Hye Lee, Da Hea Im, Sang Hoon Yim, Yoon Hyeung Cho, Won Suk Han
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Patent number: 10483327Abstract: A light-emitting diode includes a first electrode, a second electrode overlapping the first electrode, a first emission layer and a second emission layer provided between the first electrode and the second electrode, and a first charge generating layer provided between the first emission layer and the second emission layer, the first charge generating layer including a p-type charge generating layer and an n-type charge generating layer. The n-type charge generating layer may include an organic material and an inorganic material doped to the organic material, and the inorganic material may include a lanthanide metal or an alkali earth metal, and an alkali halide.Type: GrantFiled: December 29, 2017Date of Patent: November 19, 2019Assignee: Samsung Display Co., Ltd.Inventors: Dong Chan Kim, Won Jong Kim, Ji Young Moon, Dong Kyu Seo, Myung Chul Yeo, Ji Hye Lee, Yoon Hyeung Cho