Patents by Inventor Myung In Ji
Myung In Ji 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: 20210225960Abstract: A display device comprises a substrate including display and peripheral areas, a semiconductor element, a pixel structure, and a plurality of dummy patterns. The semiconductor element is disposed in the display area on the substrate, and the pixel structure is disposed on the semiconductor element. The dummy patterns which have stacked structure are disposed in the peripheral area on the substrate, and contain a material identical to a material constituting the semiconductor element. The dummy patterns are arranged in a grid shape in different layers, and each of the dummy patterns includes a central portion and an edge portion surrounding the central portion. The edge portions of dummy patterns which are adjacent to each other in the different layers among the dummy patterns are overlapped each other in a direction from the substrate to the pixel structure.Type: ApplicationFiled: August 24, 2020Publication date: July 22, 2021Inventors: Sewan SON, Moo Soon KO, Ji Ryun PARK, Jin Sung AN, Min Woo WOO, Seong Jun LEE, Wang Woo LEE, Jeong-Soo LEE, Ji Seon LEE, Deuk Myung JI
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Publication number: 20210187485Abstract: Provided is a catalyst for oxidative dehydrogenation, a method of preparing the catalyst, and a method of performing oxidative dehydrogenation using the catalyst. The catalyst for oxidative dehydrogenation has improved durability and fillability by including a porous support coated with a metal oxide (AB2O4) according to Equation 1: X wt %+Y wt %=100 wt %,??<Equation 1> wherein X is a content of AB2O4 and is 5 or more and less than 30, and Y is a content of the porous support and is more than 70 and 95 or less, wherein the metal oxide exhibits activity during oxidative dehydrogenation. Therefore, when the catalyst is used in oxidative dehydrogenation of butene, the conversion rate of butene and the selectivity and yield of butadiene may be greatly improved.Type: ApplicationFiled: December 10, 2020Publication date: June 24, 2021Inventors: Myung Ji SUH, Dong Hyun KO, Kyong Yong CHA, Dae Heung CHOI, Ye Seul HWANG, Jun Kyu HAN, Sun Hwan HWANG
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Publication number: 20210134934Abstract: A display device including: a substrate; an active layer, and including channel and conductive regions; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.Type: ApplicationFiled: January 7, 2021Publication date: May 6, 2021Applicant: Samsung Display Co., LTD.Inventors: Jin Sung AN, Young Woo PARK, Se Wan SON, Moo Soon KO, Jeong-Soo LEE, Ji Seon LEE, Deuk Myung JI
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Patent number: 10994262Abstract: Disclosed are a catalyst for oxidative dehydrogenation and a method of preparing the same. More particularly, a catalyst for oxidative dehydrogenation of butene having a high butene conversion rate and superior side reaction inhibition effect and thus having high reactivity and high selectivity for a product by preparing metal oxide nanoparticles and then fixing the prepared metal oxide nanoparticles to a support, and a method of preparing the same are provided.Type: GrantFiled: May 18, 2017Date of Patent: May 4, 2021Assignee: LG CHEM, LTD.Inventors: Seongmin Kim, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Myung Ji Suh, Jun Kyu Han, Sun Hwan Hwang, Jun Han Kang, Joo Hyuck Lee, Hyun Seok Nam, Ye Seul Hwang, Sang Jin Han
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Publication number: 20210126071Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor including a first gate electrode, a first source region, and a first drain region, a second transistor connected to the first source region of the first transistor, a third transistor connected to the first gate electrode and the first drain region of the first transistor, a fifth transistor connected to the first source region of the first transistor, and a sixth transistor connected to the first drain region of the first transistor. The pixels include a first pixel and a second pixel disposed adjacent to each other. The first and second pixels share a fourth transistor connected to the third transistor of the first pixel and the third transistor of the second pixel, and share a seventh transistor connected to the sixth transistor of the first pixel and the sixth transistor of the second pixel.Type: ApplicationFiled: January 4, 2021Publication date: April 29, 2021Inventors: JEONG-SOO LEE, MOO SOON KO, MIN WOO WOO, JU-WON YOON, DEUK MYUNG JI
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Patent number: 10957756Abstract: A display device includes a substrate, a semiconductor layer on the substrate, a first insulating layer on the semiconductor layer, a first conductive layer on the semiconductor layer, a second insulating layer on the first conductive layer, a first contact hole penetrating the first insulating layer and the second insulating layer, a second conductive layer on the second insulating layer, connected to the semiconductor layer through the first contact hole, and including a hydrogen barrier material, and a third insulating layer on the second conductive layer.Type: GrantFiled: March 28, 2019Date of Patent: March 23, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wang Woo Lee, Moo Soon Ko, Hyeon Sik Kim, Young Woo Park, Se Wan Son, Jin Sung An, Min Woo Woo, Seong Jun Lee, Jeong Soo Lee, Ji Seon Lee, Deuk Myung Ji
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Patent number: 10926246Abstract: The present invention relates to a method of preparing a catalyst for oxidative dehydrogenation. More particularly, the present invention provides a method of preparing a catalyst for oxidative dehydrogenation providing superior selectivity and yield for a conjugated diene according to oxidative dehydrogenation by constantly maintaining pH of a coprecipitation solution using a drip-type double precipitation method to adjust an ?-iron oxide content in a catalyst in a predetermined range.Type: GrantFiled: March 15, 2017Date of Patent: February 23, 2021Assignee: LG CHEM, LTD.Inventors: Jun Kyu Han, Dong Hyun Ko, Kyong Yong Cha, Myung Ji Suh, Sun Hwan Hwang, Seong Min Kim
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Patent number: 10916620Abstract: A display device including: a substrate; an active layer, and including channel and conductive regions and; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.Type: GrantFiled: February 24, 2020Date of Patent: February 9, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Sung An, Young Woo Park, Se Wan Son, Moo Soon Ko, Jeong-Soo Lee, Ji Seon Lee, Deuk Myung Ji
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Patent number: 10902771Abstract: Disclosed is a micro light emitting diode (LED) display device which is capable of implementing a full color of high resolution, the micro LED display device including: a micro LED driving substrate (backplane) in which a plurality of CMOS cells is arranged in rows and columns; and a micro LED panel which is flip-chip bonded onto the micro LED driving substrate, and includes a plurality of micro LED pixels electrically connected with the plurality of CMOS cells, in which the micro LED panel includes the plurality of micro LED pixels formed by etching a first surface of an emission structure along a unit pixel region, and a plurality of separators formed on a second surface of the emission structure corresponding to positions of portions formed by etching the emission structure in a vertical direction.Type: GrantFiled: March 18, 2020Date of Patent: January 26, 2021Assignee: LUMENS CO., LTD.Inventors: Eun Sung Shin, Dong Hee Cho, Yong Pil Kim, Myung Ji Moon, Han Beet Chang, Jae Soon Park
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Patent number: 10888844Abstract: Provided is a catalyst for oxidative dehydrogenation, a method of preparing the catalyst, and a method of performing oxidative dehydrogenation using the catalyst. The catalyst for oxidative dehydrogenation has improved durability and fillability by including a porous support coated with a metal oxide (AB2O4) according to Equation 1 of the present invention, wherein the metal oxide exhibits activity during oxidative dehydrogenation. Therefore, when the catalyst is used in oxidative dehydrogenation of butene, the conversion rate of butene and the selectivity and yield of butadiene may be greatly improved.Type: GrantFiled: April 12, 2018Date of Patent: January 12, 2021Assignee: LG CHEM, LTD.Inventors: Myung Ji Suh, Dong Hyun Ko, Kyong Yong Cha, Dae Heung Choi, Ye Seul Hwang, Jun Kyu Han, Sun Hwan Hwang
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Patent number: 10886349Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor including a first gate electrode, a first source region, and a first drain region, a second transistor connected to the first source region of the first transistor, a third transistor connected to the first gate electrode and the first drain region of the first transistor, a fifth transistor connected to the first source region of the first transistor, and a sixth transistor connected to the first drain region of the first transistor. The pixels include a first pixel and a second pixel disposed adjacent to each other. The first and second pixels share a fourth transistor connected to the third transistor of the first pixel and the third transistor of the second pixel, and share a seventh transistor connected to the sixth transistor of the first pixel and the sixth transistor of the second pixel.Type: GrantFiled: August 8, 2018Date of Patent: January 5, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeong-Soo Lee, Moo Soon Ko, Min Woo Woo, Ju-Won Yoon, Deuk Myung Ji
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Patent number: 10885071Abstract: An apparatus for creating a link-type grid fingerprint database includes a collected data processing unit for receiving positioning resource information collected from a link, which represents a path along which a pedestrian can move in an indoor space, and storing the positioning resource information in a collection DB, and a database creation unit for creating a link-type fingerprint database based on the positioning resource information and information about the link, stored in the collection DB, and storing the created link-type grid fingerprint database in a positioning DB.Type: GrantFiled: May 13, 2016Date of Patent: January 5, 2021Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Joo-Young Kim, Myung-In Ji, Ju-Il Jeon, Young-Su Cho
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Publication number: 20200381504Abstract: A display device including: a substrate; an active layer, and including channel and conductive regions and; a first conductive layer including a driving gate electrode and a scan line in a first direction; a second conductive layer including a storage line; a third conductive layer including a first connecting member above the storage line; an insulating layer between the storage line and the first connecting member; and a data line and a driving voltage line crossing the scan line in a second direction, wherein the first connecting member electrically connects the driving gate electrode and a conductive region, the driving voltage line overlaps the first connecting member, the insulating layer includes first and second sub-insulating layers, and an edge of the second sub-insulating layer substantially overlaps an edge of the first connecting member in a thickness direction of the display device.Type: ApplicationFiled: February 24, 2020Publication date: December 3, 2020Applicant: Samsung Display Co., LTD.Inventors: Jin Sung AN, Young Woo PARK, Se Wan SON, Moo Soon KO, Jeong-Soo LEE, Ji Seon LEE, Deuk Myung JI
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Patent number: 10843173Abstract: A ferrite catalyst for oxidative dehydrogenation and a method of preparing the same. The ferrite catalyst is prepared using an epoxide-based sol-gel method, wherein a step of burning includes a first burning step, in which burning is performed at a temperature of 70 to 200° C.; and a second burning step, in which burning is performed after the temperature is raised from a temperature in the range of greater than 200° C. to 250° C. to a temperature in the range of 600 to 900° C.Type: GrantFiled: January 4, 2018Date of Patent: November 24, 2020Assignee: LG CHEM, LTD.Inventors: Sun Hwan Hwang, Dong Hyun Ko, Jun Han Kang, Kyong Yong Cha, Joo Hyuck Lee, Hyun Seok Nam, Dae Heung Choi, Myung Ji Suh, Ye Seul Hwang, Jun Kyu Han, Sang Jin Han, Seong Min Kim
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Patent number: 10847572Abstract: The present invention relates to a puzzle-type micro light emitting diode (LED) display device which is capable of implementing a display having various sizes, the micro LED display device including: a micro LED panel in which a plurality of micro LED pixels is arranged in rows and columns; and a micro LED driving substrate (backplane) configured to include an active matrix (AM) circuit unit including a plurality of CMOS cells corresponding to the plurality of micro LED pixels, and a control circuit unit disposed in an outer region of the AM circuit unit, in which the control circuit unit is disposed to be adjacent to two sides among four sides of the micro LED panel.Type: GrantFiled: October 9, 2018Date of Patent: November 24, 2020Assignee: LUMENS CO., LTD.Inventors: Eun Sung Shin, Dong Hee Cho, Yong Pil Kim, Myung Ji Moon, Han Beet Chang, Jae Soon Park
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Publication number: 20200367192Abstract: Disclosed herein are an apparatus and method for estimating an indoor location based on packet capture. The method for operating an apparatus for estimating an indoor location based on packet capture includes receiving packet capture information from multiple packet-collection-dedicated access points, searching a positioning infrastructure database for positioning data corresponding to the received packet capture information, and estimating a movement direction of a terminal using found positioning data.Type: ApplicationFiled: April 20, 2020Publication date: November 19, 2020Inventors: Myung-In JI, Young-Su CHO
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Patent number: 10805766Abstract: Disclosed herein are a mobile-communication-based navigation service method for supporting emergency rescue and a service server using the method. The present invention relates to provision of an interactive navigation service between a rescuer and a person who needs to be rescued in a mobile-communication-based navigation service method for supporting emergency rescue.Type: GrantFiled: October 31, 2018Date of Patent: October 13, 2020Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Hyuk Choi, Joo-Young Kim, Young-Su Cho, Myung-In Ji
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Patent number: 10784316Abstract: A display device includes a substrate including a display area and a non-display area. First, second, and third insulating layers are sequentially disposed on the substrate. Pixels are disposed in the display area. Each of the pixels including a transistor and a light emitting element connected to the transistor. A data line is disposed in the display area. The data line is configured to supply a data signal to each of the plurality of pixels. A wiring portion is disposed in the non-display area. The wiring portion includes a connecting line connected to the data line and a fan-out line connected to the connecting line. A dummy pattern is disposed in the non-display area. The dummy pattern at least partially overlaps the wiring portion.Type: GrantFiled: October 1, 2018Date of Patent: September 22, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Seon Lee, Moo Soon Ko, Young Woo Park, Se Wan Son, Jin Sung An, Min Woo Woo, Ju Won Yoon, Wang Woo Lee, Jeong Soo Lee, Deuk Myung Ji
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Patent number: 10730809Abstract: A method of preparing butadiene that includes supplying butene, oxygen, nitrogen, and steam into a reactor filled with a metal oxide catalyst, and performing an oxidative dehydrogenation reaction at a temperature of 300 to 450° C. as a reaction step; after the reaction step, maintaining supplying the butene, oxygen, nitrogen, and steam within a range within which the flow rate change of the butene, oxygen, nitrogen, and steam is less than ±40%, or stopping supplying the butene, and cooling the reactor to a temperature range of 200° C. or lower and higher than 70° C. as a first cooling step; and after the first cooling step, stopping supplying the butene, oxygen, nitrogen, and steam or stopping at least supplying the butene, and cooling the reactor to a temperature of 70° C. or lower as a second cooling step.Type: GrantFiled: September 21, 2017Date of Patent: August 4, 2020Assignee: LG CHEM, LTD.Inventors: Myung Ji Suh, Dong Hyun Ko, Jun Han Kang, Kyong Yong Cha, Ye Seul Hwang, Jun Kyu Han, Sang Jin Han
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Publication number: 20200219438Abstract: Disclosed is a micro light emitting diode (LED) display device which is capable of implementing a full color of high resolution, the micro LED display device including: a micro LED driving substrate (backplane) in which a plurality of CMOS cells is arranged in rows and columns; and a micro LED panel which is flip-chip bonded onto the micro LED driving substrate, and includes a plurality of micro LED pixels electrically connected with the plurality of CMOS cells, in which the micro LED panel includes the plurality of micro LED pixels formed by etching a first surface of an emission structure along a unit pixel region, and a plurality of separators formed on a second surface of the emission structure corresponding to positions of portions formed by etching the emission structure in a vertical direction.Type: ApplicationFiled: March 18, 2020Publication date: July 9, 2020Applicant: LUMENS CO., LTD.Inventors: Eun Sung SHIN, Dong Hee CHO, Yong Pil KIM, Myung Ji MOON, Han Beet CHANG, Jae Soon PARK