Patents by Inventor Ji-Cheol SHIN
Ji-Cheol SHIN 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: 20240181117Abstract: A deodorization module and a storage device including the deodorization module. A deodorization module includes: a housing; a suction opening formed on the lower surface of the housing to allow external air to be suctioned therethrough; a fan disposed at the suction opening to suction the air; a discharge opening for discharging the air, which has been suctioned by the fan, to the outside of the housing; a photocatalytic bar disposed between the fan and the discharge opening; and a light source module, which includes a light source substrate and an ultraviolet light source and irradiates an ultraviolet ray to the photocatalytic bar.Type: ApplicationFiled: February 8, 2024Publication date: June 6, 2024Applicant: Seoul Viosys Co., Ltd.Inventors: Jae Hak JEONG, Ji Won KIM, Byeong Cheol JU, Sang Cheol SHIN, Woong Ki JUNG
-
Publication number: 20240160486Abstract: A computing resource management system using software modularization in a cluster computing environment in which computing devices are connected, including an application process running on each computing device and an algorithm processing process configured to run independently of the application process and perform task processing on the application process, the computing resource management system including: a task managing system configured to receive a task request message from an application process requiring a task from each computing device; a process managing system configured to confirm an algorithm processing process of computing devices connected to the cluster computing environment, and determine whether there is an algorithm processing process in an idle state to which the application process requested for a task will be assigned; and a performed managing system configured to confirm a result of an application process whose task is performed by the algorithm processing process.Type: ApplicationFiled: October 17, 2023Publication date: May 16, 2024Inventors: Sang Hyun SON, Yeon Chul Song, Myeong Jun Lim, Ji Hoon Yoo, Kwang Sup Kim, Jong Min Lee, Young Ho Park, Jun Ho Oh, Joong Chol Shin, Hyun Cheol Cho
-
Publication number: 20240146229Abstract: A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.Type: ApplicationFiled: January 10, 2024Publication date: May 2, 2024Inventors: Kang Ho Jeong, Jong Kyong Lim, Suk Hyun Lim, Ji Woong Jang, Beom Sik Kim, Sang Cheol Shin
-
Publication number: 20240123109Abstract: An air purification module comprises a housing having an interior space provided with an air inlet and an air outlet, and an axial type blowing fan, mounted in the housing, for moving air from the air inlet to the air outlet. The air purification module further includes an air purifying unit, provided on a flow path of the air, for purifying the air and a guide for reducing the flow rate of the air between the blowing fan and the air purifying unit. The air purifying unit includes a filter provided between the blowing fan and the air outlet and a light source unit for providing light to the filter.Type: ApplicationFiled: September 27, 2023Publication date: April 18, 2024Inventors: Ji Won KIM, Jae Hak JEONG, Sang Cheol SHIN, Woong Ki JUNG
-
Publication number: 20240099130Abstract: The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.Type: ApplicationFiled: November 15, 2023Publication date: March 21, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Seung-Hee YOON, Sung-Hoon JOO, Seon-Keun YOO, Ji-Cheol SHIN
-
Patent number: 11936318Abstract: Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.Type: GrantFiled: June 1, 2022Date of Patent: March 19, 2024Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATIONInventors: Ji Woong Jang, Sang Cheol Shin, Yoo Jong Lee, Ki Jong Lee, Ho Tae Chun
-
Patent number: 11931490Abstract: An air purification module for purifying air includes a photocatalyst filter and a light source unit sequentially arranged in a selected direction. The light source unit is spaced apart from the photocatalyst filter to provide light to the photocatalyst filter and includes a substrate and a light source disposed on the substrate. The substrate includes at least one aperture to control a flow channel and a flow velocity of air so as to improve air purification effects through the photocatalyst filter when the air flows from the substrate towards the photocatalyst filter.Type: GrantFiled: April 2, 2021Date of Patent: March 19, 2024Assignee: SEOUL VIOSYS CO., LTD.Inventors: Jae Hak Jeong, Ji Won Kim, Sang Cheol Shin
-
Publication number: 20240075953Abstract: A method for driving in a blind spot of a sensor mounted on an autonomous vehicle is provided. The method includes steps of: a computing device of the autonomous vehicle running on a specific road locating the autonomous vehicle from precision map information, sensor information and GPS information, and in response to determining that the autonomous vehicle is expected to encounter a specific event, transmitting vehicle location data, travelling direction data, vehicle structure data and sensor location data and sensor's viewing angle data to the server, to determine whether a region of interest corresponding to the specific event is included in blind spot candidates; receiving blind spot stereoscopic data, computed from the data received from the autonomous vehicle and 3D occlusion environmental data corresponding to occluding static objects in the blind spot candidates, from the server; and controlling movement of the autonomous vehicle based on the blind spot stereoscopic data.Type: ApplicationFiled: October 10, 2022Publication date: March 7, 2024Applicant: Autonomous A2ZInventors: Ki Cheol SHIN, Myeong Seon HEO, Byung Yong YOU, Ji Hyeong HAN
-
Patent number: 11889754Abstract: The present disclosure provides an organic compound of the following formula and an organic light emitting diode and an OLED device including the same.Type: GrantFiled: August 4, 2020Date of Patent: January 30, 2024Assignees: LG DISPLAY CO., LTD, P & HTECHInventors: Ji-Cheol Shin, Seon-Keun Yoo, Jeong-Dae Seo, Sang-Beom Kim, Hee-Jun Park, Seo-Yong Hyun, Seok-Keun Yoon
-
Patent number: 11856846Abstract: An example of the present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.Type: GrantFiled: June 23, 2021Date of Patent: December 26, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Seung-Hee Yoon, Sung-Hoon Joo, Seon-Keun Yoo, Ji-Cheol Shin
-
Publication number: 20230276705Abstract: Embodiments of the present invention provide an organic light emitting diode and an organic light emitting display device including the organic compound. The organic compound is capable of reducing a driving voltage of an organic light emitting diode and improves a current efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the same.Type: ApplicationFiled: May 9, 2023Publication date: August 31, 2023Applicant: LG DISPLAY CO., LTD.Inventors: Seon-Keun YOO, Sung-Hoon JOO, Seung-Hee YOON, Ji-Cheol SHIN
-
Publication number: 20230217822Abstract: Disclosed is a light emitting device that is capable of reducing lateral leakage current and a driving voltage by improving a structure for connecting a plurality of stacks to one another in a structure using the plurality of stacks, and a light emitting display device including the same. The light emitting device includes a first electrode and a second electrode facing each other, a plurality of stacks provided between the first electrode and the second electrode, and a charge generation layer including an electron generation layer and a hole generation layer stacked between the stacks, wherein the electron generation layer contains a first host of Formula 1 and a metal dopant, and the hole generation layer contains a second host and an organic dopant.Type: ApplicationFiled: December 23, 2022Publication date: July 6, 2023Inventors: Wook Song, Ji Cheol Shin, Sae Mi Park, Myeong Seon Cho, Hui Kun Yun, Jung Keun Kim, Byung Soo Kim
-
Patent number: 11690291Abstract: Embodiments of the present invention provide an organic light emitting diode and an organic light emitting display device including the organic compound. The organic compound is capable of reducing a driving voltage of an organic light emitting diode and improves a current efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the same.Type: GrantFiled: November 23, 2020Date of Patent: June 27, 2023Assignee: LG DISPLAY CO., LTD.Inventors: Seon-Keun Yoo, Sung-Hoon Joo, Seung-Hee Yoon, Ji-Cheol Shin
-
Patent number: 11524947Abstract: An organic compound having a tetraphenyl moiety and at least one fused hetero aryl moiety having at least one oxygen and/or sulfur on a ring and bonded to the tetraphenyl moiety directly or indirectly, and a light emitting diode and a light emitting device having the organic compound are disclosed. The organic compound has excellent thermal resistance property and hole mobility property. The organic compound can be incorporated into a hole transfer layer, an electron blocking layer and/or a charge generation layer of the light emitting diode. Therefore, the light emitting diode and light emitting device according to the present invention have decreased driving voltage and enhanced luminous efficiency.Type: GrantFiled: December 18, 2019Date of Patent: December 13, 2022Assignee: LG DISPLAY CO., LTD.Inventors: So-Young Jang, Hee-Jun Park, Jeong-Dae Seo, Seon-Keun Yoo, Ji-Cheol Shin, Sang-Beom Kim
-
Organic Compound, Organic Light Emitting Diode and Organic Light Emitting Device Having the Compound
Publication number: 20220231236Abstract: The present disclosure relates to an organic compound having the following structure of Formula 1, an organic light emitting diode (OLED) where an electron transport layer and/or a charge generation layer includes the organic compound and an organic light emitting device including the organic light emitting diode. While only the specific moiety in the organic compound is deuterated, the organic compound can implement excellent luminous efficiency and luminous lifespan as a compound where all the carbon atoms are deuterated. The OLED can maximize its luminous efficiency and luminous lifespan with minimizing utilization of expensive deuterium.Type: ApplicationFiled: June 15, 2021Publication date: July 21, 2022Inventors: Dae Wi YOON, Seon Keun YOO, Shin Han KIM, Min Gi HONG, Seong Su JEON, Ji Cheol SHIN -
Publication number: 20220216417Abstract: The present disclosure relates to an organic light emitting diode comprising a first electrode; a second electrode facing the first electrode; a first emitting part including a first emitting material layer and a hole injection layer and positioned between the first and second electrodes, wherein the hole injection layer includes a first hole injection material and a second hole injection material and is positioned between the first electrode and the first emitting material layer, and wherein the first hole injection material is an indacene derivative, and the second hole injection material includes at least one of fluorene derivatives having different structures.Type: ApplicationFiled: December 17, 2021Publication date: July 7, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Ji-Cheol SHIN, Jeong-Dae SEO, Shin-Han Kim, Seon-Keun YOO
-
Publication number: 20220209126Abstract: The present disclosure relates to an organic light emitting diode including a first electrode; a second electrode facing the first electrode; a first p-type doping layer between the first and second electrodes; a second p-type doping layer between the first p-type doping layer and the second electrode; a third p-type doping layer between the second p-type doping layer and the second electrode; a first emitting material layer between the first and second p-type doping layers; a second emitting material layer between the second and third p-type doping layers; and a third emitting material layer between the third p-type doping layer and the second electrode, wherein an electrical conductivity of the third p-type doping layer is greater than an electrical conductivity of the first p-type doping layer and is equal to or smaller than an electrical conductivity of the second p-type doping layer.Type: ApplicationFiled: December 15, 2021Publication date: June 30, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Ji-Cheol SHIN, Seong-Su JEON, Shin-Han KIM, Seon-Keun YOO
-
Publication number: 20220199909Abstract: The present disclosure relates to an organic light emitting diode including a first electrode; a second electrode facing the first electrode; a first emitting part positioned between the first and second electrodes and including a first emitting material layer, a hole injection layer between the first electrode and the first emitting material layer and a first hole transporting layer between the hole injection layer and the first emitting material layer, wherein the hole injection layer includes a hole injection material, and the first hole transporting layer includes at least one of a first hole transporting material and a second hole transporting material, and wherein the first hole transporting material and the second hole transporting material are fluorene derivatives having different structures.Type: ApplicationFiled: December 10, 2021Publication date: June 23, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Ji-Cheol SHIN, Jeong-Dae SEO, Shin-Han KIM
-
Publication number: 20220194883Abstract: The present disclosure relates to an organic compound being represented by Formula 1, an organic light emitting diode including the organic compound and an organic light emitting device including the organic light emitting diode. The organic compound is included in an organic layer of the organic light emitting diode.Type: ApplicationFiled: December 16, 2021Publication date: June 23, 2022Applicants: LG Display Co., Ltd, LG CHEM, LTD.Inventors: Ji-Cheol SHIN, Shin-Han KIM, Jeong-Dae SEO, Joo-Yong YOON, Jun YUN, Dong-Heon KIM, Yong-Han LEE, Sung-Jae LEE
-
Publication number: 20220173328Abstract: The present disclosure relates to an organic compound, and an organic light emitting diode and an organic light emitting device including the same, more specifically, relates to an organic compound being represented by following Formula, an organic light emitting diode including the organic compound and an organic light emitting device including the organic light emitting diode. The organic compound is included in an electron transporting layer and/or a p-type charge generation layer of the organic light emitting diode.Type: ApplicationFiled: August 20, 2021Publication date: June 2, 2022Applicant: LG DISPLAY CO., LTD.Inventors: Seon-Keun YOO, Dae-Wi YOON, Shin-Han KIM, Min-Gi HONG, Seong-Su JEON, Ji-Cheol SHIN