Patents by Inventor Seul-ki Kim

Seul-ki Kim 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).

  • Publication number: 20240144801
    Abstract: A rear seat passenger notification device includes a sensor device that identifies information about at least one passenger who is present in a host vehicle when the host vehicle enters a lock state. The rear seat passenger notification device also includes an alarm device that performs a visual and audible alarm function, and an information collection device that collects information about the host vehicle and information about a user of the host vehicle The rear seat passenger notification device further includes an action determination and control device that identifies, based on at least one of the information about the at least one passenger, the information about the host vehicle, the information about the user, or a combination thereof, at least one action item for control of the host vehicle, and provides the user with the at least one action item.
    Type: Application
    Filed: May 18, 2023
    Publication date: May 2, 2024
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seul Ki Jeon, Hui Won Shin, Eung Hwan Kim
  • Publication number: 20240134233
    Abstract: The present disclosure provides a partition wall for an image display device, the partition wall which satisfies 0.8?A/B<1.0 and 0.85?C/B<1.0 when the line width at a thickness of 95% from the lowermost end portion of the partition wall is A, the maximum line width at a thickness of 50 to 90% from the lowermost end portion of the partition wall is B, and the line width at a thickness of 10% from the lowermost end portion of the partition wall is C, with respect to the total thickness of the partition wall, a manufacturing method thereof, and an image display device including the partition wall. The partition wall for an image display device according to the present disclosure can be effectively applied to the manufacture of the color conversion pixels through the inkjet process, and the image display device including the partition wall has excellent luminance and maintains high luminance even when observed from the side surface, thereby exhibiting an effect of excellent viewing angle properties.
    Type: Application
    Filed: February 24, 2022
    Publication date: April 25, 2024
    Inventors: Hun-Sik KIM, Tae-Gon KIM, Young-Soo KWON, Seul-Ki PARK
  • Publication number: 20240128408
    Abstract: A display device including a display area may include: a bank on a base layer; a light emitting element on the base layer in an area, at least a portion of the area being enclosed by the bank; and an antistatic structure including an electrode pattern on the bank. The electrode pattern may be electrically connected to a ground line of the display device to remove static electricity from the display area.
    Type: Application
    Filed: October 11, 2023
    Publication date: April 18, 2024
    Inventors: Myeong Su SO, Myeong Hee KIM, Seul Ki KIM
  • Patent number: 11963399
    Abstract: A display device includes a substrate including pixels including a first pixel and a second pixel, a driver of the first pixel disposed on the substrate, a driver of the second pixel disposed on the substrate, a first pixel electrode overlapping the driver of the first pixel and electrically connected to the driver of the first pixel, a second pixel electrode overlapping the driver of the first pixel and the driver of the second pixel and electrically connected to the driver of the second pixel, an emission layer disposed on the first pixel electrode and the second pixel electrode, and a common electrode disposed on the emission layer, wherein the second pixel electrode includes a first opening overlapping the driver of the first pixel.
    Type: Grant
    Filed: June 16, 2021
    Date of Patent: April 16, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwang Soo Lee, Seul-Ki Kim, Seung Rae Kim, Jae Hyun Lee, Ki Su Jin
  • Publication number: 20240113151
    Abstract: A manufacturing method for a display device includes patterning a pixel defining pattern on a substrate; forming an emission stack structure; forming light emitting elements by etching the emission stack structure; and transferring the light emitting elements on a base layer and a pixel circuit layer including a pixel circuit on the base layer. The forming of the light emitting elements includes patterning the light emitting elements in an element forming area enclosed by the pixel defining pattern. The transferring of the light emitting elements includes disposing the light emitting elements in a sub-pixel area corresponding to the element forming area on the pixel circuit layer.
    Type: Application
    Filed: June 2, 2023
    Publication date: April 4, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Eun PARK, Seul Ki KIM
  • Publication number: 20240113268
    Abstract: A display device includes a first electrode, an outer electrode surrounding the first electrode, a bank overlapping the outer electrode in a plan view, the bank including an opening that exposes the first electrode, a light emitting element disposed on the first electrode and in the opening of the bank, and a second electrode disposed on the light emitting element. The outer electrode may be electrically disconnected from the first electrode upon a bad contact between a light emitting member and the outer electrode. As a result, defective pixels can be repaired.
    Type: Application
    Filed: May 30, 2023
    Publication date: April 4, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Seul Ki KIM, Tae Jin KONG, Myeong Hee KIM, Ji Eun PARK, Myeong Su SO
  • Publication number: 20240105934
    Abstract: A positive electrode active material for a lithium secondary battery has a mixture of microparticles having a predetermined average particle size (D50) and macroparticles having a larger average particle size (D50) than the microparticles. The microparticles have the average particle size (D50) of 1 to 10 ?m and are at least one selected from the group consisting of particles having a carbon material coating layer on all or part of a surface of primary macroparticles having an average particle size (D50) of 1 ?m or more, particles having a carbon material coating layer on all or part of a surface of secondary particles formed by agglomeration of the primary macroparticles, and a mixture thereof. The macroparticles are secondary particles having an average particle size (D50) of 5 to 20 ?m formed by agglomeration of primary microparticles having a smaller average particle size (D50) than the primary macroparticles.
    Type: Application
    Filed: June 9, 2022
    Publication date: March 28, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Gi-Beom Han, Jong-Woo Kim, Eun-Sol Lho, Kang-Joon Park, Min Kwak, Seul-Ki Kim, Hyeong-Il Kim, Sang-Min Park, Sang-Wook Lee, Wang-Mo Jung
  • Patent number: 11943976
    Abstract: A display device includes a substrate, a first conductive layer on the substrate, the first conductive layer including a data signal line, a first insulating layer on the first conductive layer, a semiconductor layer on the first insulating layer, the semiconductor layer including a first semiconductor pattern, a second insulating layer on the semiconductor layer, and a second conductive layer on the second insulating layer, the second conductive layer including a gate electrode disposed to overlap the first semiconductor pattern, a transistor first electrode disposed to overlap a part of the first semiconductor pattern, wherein the transistor first electrode is electrically connected to the data signal line through a contact hole that penetrates the first and second insulating layers, and a transistor second electrode disposed to overlap another part of the first semiconductor pattern.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Sok Son, Woo Geun Lee, Seul Ki Kim, Kap Soo Yoon, Hyun Woong Baek, Jae Hyun Lee, Su Jung Jung, Jung Kyoung Cho, Seung Ha Choi, June Whan Choi
  • Publication number: 20240097112
    Abstract: A positive electrode for a lithium secondary battery includes a positive electrode collector, a first positive electrode active material layer formed on the positive electrode collector and includes a first positive electrode active material, and a second positive electrode active material layer formed on the first positive electrode active material layer and includes a second positive electrode active material. The first positive electrode active material and the second positive electrode active material include a lithium nickel-cobalt-based oxide in which an amount of nickel among total metallic components excluding lithium is 80 atm % or more, the first positive electrode active material has a molar ratio of nickel to cobalt of 18 or more, and the second positive electrode active material has a molar ratio of nickel to cobalt of less than 18.
    Type: Application
    Filed: February 25, 2022
    Publication date: March 21, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
  • Publication number: 20240079554
    Abstract: An electrode includes an electrode active material, wherein the electrode active material layer includes an electrode active material, polyvinylidene fluoride, and a conductive agent, wherein the conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, and the carbon nanotube structure is included in an amount of 0.01 wt % to 0.5 wt % in the electrode active material layer. A secondary battery including the same, and a method of preparing the electrode are also provided.
    Type: Application
    Filed: October 18, 2023
    Publication date: March 7, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Seul Ki Kim, Tae Gon Kim, Je Young Kim, Wang Mo Jung, Jung Woo Yoo, Sang Wook Lee
  • Publication number: 20240072244
    Abstract: A positive electrode active material for a lithium secondary battery comprising lithium transition metal oxide particles having a core-shell structure which includes a core portion and a shell portion disposed on a surface of the core portion. Wherein, the average crystallite size of the core portion is smaller than an average crystallite size of the shell portion and an amount of nickel among total transition metals included in the core portion and the shell portion is 80 atm % or more. A positive electrode active material, which suppresses decomposition of an electrolyte solution and occurrence of micro cracks of the positive electrode active material during charge and discharge by forming an average crystallite size of a core portion of the high-nickel positive electrode active material smaller than an average crystallite size of a shell portion, and a method of preparing the same.
    Type: Application
    Filed: February 24, 2022
    Publication date: February 29, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Dong Hun Lee, Hak Yoon Kim, So Ra Baek, Hyuck Hur, Dong Hwi Kim, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung
  • Publication number: 20240072218
    Abstract: The present disclosure provides a display device and a method for fabricating the same. According to one or more embodiments, a display device includes a substrate, pixel electrodes above the substrate, light-emitting elements above the pixel electrodes, extending in a thickness direction of the substrate, and having a polyhedral shape in the thickness direction, a width of a middle portion of the polyhedral shape being greater than a width of an upper portion of the polyhedral shape and greater than a width of a lower portion of the polyhedral shape, and a common electrode above the light-emitting elements.
    Type: Application
    Filed: May 2, 2023
    Publication date: February 29, 2024
    Inventors: Tae Jin KONG, Myeong Hee KIM, Seul Ki KIM, Ji Eun PARK, Myeong Su SO
  • Publication number: 20240065045
    Abstract: A display panel includes a base substrate, a transistor disposed on the base substrate and including a semiconductor pattern including a source area, a drain area, and an active area, a gate insulating pattern layer disposed on the semiconductor pattern, and a gate electrode disposed on the gate insulating pattern, and connection electrodes disposed on the gate insulating pattern layer and connected to the semiconductor pattern through contact holes, respectively. The gate insulating pattern layer includes a first portion overlapping at least one of the source area and the drain area and a second portion extending from the first portion. A thickness of the first portion is equal to or smaller than about 50% of a thickness of the second portion.
    Type: Application
    Filed: March 22, 2023
    Publication date: February 22, 2024
    Inventors: HYUN KIM, SHOYEON KIM, SEUL-KI KIM, KAP SOO YOON, JAEHYUN LEE, SEUNG-HA CHOI
  • Publication number: 20240065017
    Abstract: A light emitting element includes a first semiconductor layer; an active layer; a second semiconductor layer; a first electrode; and a second electrode. The active layer includes a first surface contacting the first semiconductor layer, a second surface facing the first surface and contacting the second semiconductor layer, and a side connected to the first surface and the second surface. The first semiconductor layer includes partitioned first, second, and third areas. A side of the first area is inclined in a same direction as the side of the active layer, a side of the second area is inclined in a direction opposite to the direction in which the side of the active layer is inclined, and a side of the third area includes a straight line part parallel to the length direction of the light emitting element.
    Type: Application
    Filed: August 15, 2023
    Publication date: February 22, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Myeong Su SO, Seul Ki KIM, Si Sung KIM, Chi Hun WON
  • Publication number: 20240055558
    Abstract: A light emitting element includes a first end surface and a second end surface opposite to each other, the light emitting element includes: a first semiconductor layer disposed at the first end surface; an active layer disposed on the first semiconductor layer; a second semiconductor layer disposed on the active layer; and an electrode layer disposed on the second semiconductor layer and disposed at the second end surface. The first semiconductor layer includes a first part, a second part disposed on the first part and adjacent to the active layer, and a third part disposed between the first part and the second part. A width of the first part and a width of the second part are different from each other, and the third part has different widths at different length positions.
    Type: Application
    Filed: June 22, 2023
    Publication date: February 15, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Ji Eun PARK, Tae Jin KONG, Myeong Hee KIM, Seul Ki KIM, Myeong Su SO
  • Patent number: 11894558
    Abstract: A positive electrode active material includes a core and a coating layer disposed on the core, wherein the core includes Li1+xMO2+y, wherein M is at least one element selected from the group consisting of nickel (Ni), cobalt (Co), and copper (Cu), and 1?x?5 and 0?y?2, and the coating layer includes carbon-based particles, wherein the carbon-based particle includes a structure in which a plurality of graphene sheets are connected, the carbon-based particle has an oxygen content of 1 wt % or more in the carbon-based particle, and the carbon-based particle has a D/G peak ratio of 1.55 or less during Raman spectrum measurement. A method of preparing the positive electrode active material, a positive electrode including the positive electrode active material, and a secondary battery including the positive electrode are also provided.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: February 6, 2024
    Inventors: Seul Ki Kim, Hye Lim Jeon, Tae Gon Kim, Wang Mo Jung, Sang Wook Lee
  • Publication number: 20240016002
    Abstract: A display device includes a base substrate, a circuit layer including a transistor including a gate electrode, an auxiliary conductive layer, a first insulating layer disposed on the transistor and the auxiliary conductive layer, and a second insulating layer disposed on the first insulating layer, and a display element layer including a pixel defining layer disposed on the circuit layer and a light-emitting element including a first electrode, a functional layer, and a second electrode, which are sequentially stacked.
    Type: Application
    Filed: May 16, 2023
    Publication date: January 11, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: HYUN KIM, SEUL-KI KIM, SEUNG-HA CHOI, KAP SOO YOON, WOOGEUN LEE, YEEUN KANG, JUNG KYOUNG CHO
  • Publication number: 20230411561
    Abstract: A display device includes a first base part, a semiconductor layer including a first semiconductor part disposed on the first base part and a second semiconductor part adjacent to a first side of the first semiconductor part in a first direction, a gate insulating layer disposed on the semiconductor layer and including a first gate insulating layer and a second gate insulating layer spaced apart from each other, and a gate conductive layer including a gate electrode disposed on the first gate insulating layer and overlapping the first semiconductor part and a first connecting electrode overlapping the second gate insulating layer and the second semiconductor part. The first connecting electrode includes a protrusion, the second gate insulating layer includes a recess, and the protrusion of the first connecting electrode overlaps the recess of the second gate insulating layer.
    Type: Application
    Filed: March 7, 2023
    Publication date: December 21, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Ki Su JIN, Jae Hyun LEE, Seul Ki KIM, Min Sik JUNG, Seung Ha CHOI, Jong Bum CHOI
  • Patent number: 11837376
    Abstract: A method for producing a composite conductive material having excellent dispersibility is provided. The method includes supporting a catalyst on surfaces of carbon particles; heat treating the catalyst in a helium or hydrogen atmosphere such that the catalyst penetrate the surfaces of the carbon particles and are impregnated beneath the surfaces of the carbon particles at a contact point between the carbon particles and the impregnated catalyst; and heating the carbon particles having the impregnated catalyst disposed therein in the presence of a source gas to grow carbon nanofibers from the impregnated catalyst to form a composite conductive material, wherein the source gas contains a carbon source, and wherein the carbon nanofibers extend from the contact point to above the surfaces of the carbon particles.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: December 5, 2023
    Inventors: Tea Gon Kim, Je Young Kim, Hak Yoon Kim, Ki Won Sung, Ye Lin Kim, Joo Yul Baek, Jung Keun Yoo, Jun Muk Lim, Seul Ki Kim
  • Patent number: 11831006
    Abstract: An electrode includes an electrode active material, wherein the electrode active material layer includes an electrode active material, polyvinylidene fluoride, and a conductive agent, wherein the conductive agent includes a carbon nanotube structure in which 2 to 5,000 single-walled carbon nanotube units are bonded to each other, and the carbon nanotube structure is included in an amount of 0.01 wt % to 0.5 wt % in the electrode active material layer. A secondary battery including the same, and a method of preparing the electrode are also provided.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: November 28, 2023
    Inventors: Seul Ki Kim, Tae Gon Kim, Je Young Kim, Wang Mo Jung, Jung Woo Yoo, Sang Wook Lee