Patents by Inventor Eunji SUNG
Eunji SUNG 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: 20240147752Abstract: Provided is a light-emitting device including a first electrode, a second electrode facing the first electrode, an emission layer between the first electrode and the second electrode, and an electron transport region between the emission layer and the second electrode, wherein the electron transport region includes an electron injection layer including a first material and a second material, the first material and the second material each independently include an alkali metal, an alkaline earth metal, a transition metal, a post-transition metal, a lanthanide metal, or a combination thereof, the second material does not include Mg, the first material and the second material are different from each other, and a surface energy of the second material is greater than a surface energy of the first material.Type: ApplicationFiled: September 27, 2023Publication date: May 2, 2024Inventors: Hyangki Sung, Dalho Kim, Jongseok Han, Eunji Park, Heeseong Jeong
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Patent number: 11963654Abstract: A cleaner includes: a suction motor that generates suction force; a dust separation unit that separates dust from air sucked by the suction force; a motor housing that covers the suction motor; a flow guide that surrounds an outer side of the motor housing and guides air discharged from the dust separation unit to the suction motor; and a body that forms an external appearance by surrounding the flow guide and guides air discharged from the suction motor together with the flow guide.Type: GrantFiled: January 30, 2020Date of Patent: April 23, 2024Assignee: LG Electronics Inc.Inventors: Bohyun Nam, Namhee Kim, Jinju Kim, Hyeonjeong An, Jungbae Hwang, Philjae Hwang, Mantae Hwang, Eunji Sung, Taekgi Lee
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Publication number: 20240065504Abstract: A cleaner includes: a main body that has an opening; a suction motor that is disposed in the main body and generates suction force; and a filter unit that includes an exhaust filter for filtering air discharged from the suction motor, the filter unit being inserted into the main body through the opening and being separated from the main body, wherein when the filter unit is combined with the main body, a portion of the filter unit protrudes out of the main body, and a portion of the exhaust filter is positioned inside the main body and the other portion of the exhaust filter is positioned outside the main body.Type: ApplicationFiled: November 2, 2023Publication date: February 29, 2024Inventors: Bohyun NAM, Namhee KIM, Jinju KIM, Hyeonjeong AN, Jungbae HWANG, Philjae HWANG, Mantae HWANG, Eunji SUNG, Taekgi LEE
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Publication number: 20240049932Abstract: A cleaner includes: a main body that forms an external shape; a dust container that is separably combined with the main body and stores dust separated from air; a dust container cover that is configured to open and close the dust container; a handle unit that is disposed behind the dust container; and an operating member that is configured to provide operation force to the dust container cover by moving in a first direction and to release a holding mechanism for preventing separation of the dust container from the main body by moving in a second direction opposite to the first direction.Type: ApplicationFiled: October 26, 2023Publication date: February 15, 2024Inventors: Philjae HWANG, Mantae HWANG, Jungbae HWANG, Eunji SUNG, Taekgi LEE
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Patent number: 11889973Abstract: A vacuum cleaner of the present invention comprises: a main body having a suction motor for generating suction force; a main PCB capable of generating a control command for the suction motor; a handle part capable of accommodating the main body PCB; and a connector provided at the main body, and to which the main PCB is connected in a process of coupling the handle part to the main body. The main PCB includes a plurality of pads and a slit, and the connector includes: a plurality of connecting pins for making contact with the plurality of pads; and a slit insertion protrusion inserted into the slit.Type: GrantFiled: March 25, 2022Date of Patent: February 6, 2024Assignee: LG Electronics Inc.Inventors: Changjun Lee, Philjae Hwang, Mantae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee
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Patent number: 11871890Abstract: A cleaner includes: a main body that has an opening; a suction motor that is disposed in the main body and generates suction force; and a filter unit that includes an exhaust filter for filtering air discharged from the suction motor, the filter unit being inserted into the main body through the opening and being separated from the main body, wherein when the filter unit is combined with the main body, a portion of the filter unit protrudes out of the main body, and a portion of the exhaust filter is positioned inside the main body and the other portion of the exhaust filter is positioned outside the main body.Type: GrantFiled: January 19, 2022Date of Patent: January 16, 2024Assignee: LG Electronics Inc.Inventors: Bohyun Nam, Namhee Kim, Jinju Kim, Hyeonjeong An, Jungbae Hwang, Philjae Hwang, Mantae Hwang, Eunji Sung, Taekgi Lee
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Patent number: 11844486Abstract: A cleaner includes: a suction motor that generates suction force; a dust separation unit that separates dust from air sucked by the suction force; a motor housing that covers the suction motor; a flow guide that surrounds an outer side of the motor housing and guides air discharged from the dust separation unit to the suction motor; and a body that forms an external appearance by surrounding the flow guide and guides air discharged from the suction motor together with the flow guide.Type: GrantFiled: January 30, 2020Date of Patent: December 19, 2023Assignee: LG Electronics Inc.Inventors: Bohyun Nam, Namhee Kim, Jinju Kim, Hyeonjeong An, Jungbae Hwang, Philjae Hwang, Mantae Hwang, Eunji Sung, Taekgi Lee
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Patent number: 11832773Abstract: A cleaner includes: a main body that forms an external shape; a dust container that is separably combined with the main body and stores dust separated from air; a dust container cover that is configured to open and close the dust container; a handle unit that is disposed behind the dust container; and an operating member that is configured to provide operation force to the dust container cover by moving in a first direction and to release a holding mechanism for preventing separation of the dust container from the main body by moving in a second direction opposite to the first direction.Type: GrantFiled: October 13, 2022Date of Patent: December 5, 2023Assignee: LG Electronics Inc.Inventors: Philjae Hwang, Mantae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee
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Patent number: 11751739Abstract: A cleaner includes a suction unit guiding air and dust, a main body including a first cyclone unit separating the air and the dust, which are suctioned through the suction unit, from each other and a second cyclone unit separating the dust from the air discharged from the first cyclone unit, and a guide unit disposed in the main body to partition a first dust storage part, in which the dust separated in the first cyclone unit is stored, and a second dust storage part, in which the dust separated in the second cyclone unit is stored, from each other. The guide unit is separably coupled to the main body, and when the guide unit is separated from the main body, a dust discharge part of the second cyclone unit is exposed to the outside.Type: GrantFiled: June 17, 2021Date of Patent: September 12, 2023Assignee: LG ELECTRONICS INC.Inventors: Philjae Hwang, Mantae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee
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Patent number: 11723504Abstract: A cleaner includes: a suction unit; a main body that is connected with the suction unit and separates dust from air sucked through the suction unit; and a handle unit that is connected to the main body, wherein the main body includes: a first body and a second body; a sealing member for sealing a boundary between the first body and the second body; and a support body that supports the sealing member and has an opening that communicates with the suction unit.Type: GrantFiled: July 7, 2020Date of Patent: August 15, 2023Assignee: LG Electronics Inc.Inventors: Philjae Hwang, Eunji Sung, Taekgi Lee, Mantae Hwang, Jungbae Hwang
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Publication number: 20230240498Abstract: A cleaner includes: a suction unit that guides dust and air; a main body that includes a dust separation unit for separating dust from air guided through the suction unit; a main body terminal mounted on the main body; a handle unit that is slide-coupled to the main body; and a handle terminal mounted on the handle unit and is connected to the main body terminal when the handle unit is slide-coupled to the main body.Type: ApplicationFiled: April 5, 2023Publication date: August 3, 2023Inventors: Philjae HWANG, Eunji SUNG, Taekgi LEE, Mantae HWANG, Jungbae HWANG
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Publication number: 20230180984Abstract: A cleaner includes: a suction motor that generates suction force; a dust separation unit that separates dust from air sucked by the suction force; a motor housing that covers the suction motor; a flow guide that surrounds an outer side of the motor housing and guides air discharged from the dust separation unit to the suction motor; and a body that forms an external appearance by surrounding the flow guide and guides air discharged from the suction motor together with the flow guide.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Inventors: Bohyun NAM, Namhee KIM, Jinju KIM, Hyeonjeong AN, Jungbae HWANG, Philjae HWANG, Mantae HWANG, Eunji SUNG, Taekgi LEE
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Patent number: 11647883Abstract: A cleaner includes: a suction unit that guides dust and air; a main body that includes a dust separation unit for separating dust from air guided through the suction unit; a main body terminal mounted on the main body; a handle unit that is slide-coupled to the main body; and a handle terminal mounted on the handle unit and is connected to the main body terminal when the handle unit is slide-coupled to the main body.Type: GrantFiled: August 27, 2020Date of Patent: May 16, 2023Assignee: LG ELECTRONICS INC.Inventors: Philjae Hwang, Eunji Sung, Taekgi Lee, Mantae Hwang, Jungbae Hwang
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Publication number: 20230029837Abstract: A cleaner includes: a main body that forms an external shape; a dust container that is separably combined with the main body and stores dust separated from air; a dust container cover that is configured to open and close the dust container; a handle unit that is disposed behind the dust container; and an operating member that is configured to provide operation force to the dust container cover by moving in a first direction and to release a holding mechanism for preventing separation of the dust container from the main body by moving in a second direction opposite to the first direction.Type: ApplicationFiled: October 13, 2022Publication date: February 2, 2023Inventors: Philjae HWANG, Mantae HWANG, Jungbae HWANG, Eunji SUNG, Taekgi LEE
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Patent number: 11510537Abstract: A cleaner includes: a main body that forms an external shape; a dust container that is separably combined with the main body and stores dust separated from air; a dust container cover that is configured to open and close the dust container; a handle unit that is disposed behind the dust container; and an operating member that is configured to provide operation force to the dust container cover by moving in a first direction and to release a holding mechanism for preventing separation of the dust container from the main body by moving in a second direction opposite to the first direction.Type: GrantFiled: September 14, 2020Date of Patent: November 29, 2022Assignee: LG Electronics Inc.Inventors: Philjae Hwang, Mantae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee
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Publication number: 20220211238Abstract: A vacuum cleaner of the present invention comprises: a main body having a suction motor for generating suction force; a main PCB capable of generating a control command for the suction motor; a handle part capable of accommodating the main body PCB; and a connector provided at the main body, and to which the main PCB is connected in a process of coupling the handle part to the main body. The main PCB includes a plurality of pads and a slit, and the connector includes: a plurality of connecting pins for making contact with the plurality of pads; and a slit insertion protrusion inserted into the slit.Type: ApplicationFiled: March 25, 2022Publication date: July 7, 2022Inventors: Changjun LEE, Philjae HWANG, Mantae HWANG, Jungbae HWANG, Eunji SUNG, Taekgi LEE
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Patent number: 11344170Abstract: A vacuum cleaner of the present invention comprises: a main body having a suction motor for generating suction force; a main PCB capable of generating a control command for the suction motor; a handle part capable of accommodating the main body PCB; and a connector provided at the main body, and to which the main PCB is connected in a process of coupling the handle part to the main body. The main PCB includes a plurality of pads and a slit, and the connector includes: a plurality of connecting pins for making contact with the plurality of pads; and a slit insertion protrusion inserted into the slit.Type: GrantFiled: August 18, 2017Date of Patent: May 31, 2022Assignee: LG Electronics Inc.Inventors: Changjun Lee, Philjae Hwang, Mantae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee
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Publication number: 20220133108Abstract: A cleaner includes: a main body that has an opening; a suction motor that is disposed in the main body and generates suction force; and a filter unit that includes an exhaust filter for filtering air discharged from the suction motor, the filter unit being inserted into the main body through the opening and being separated from the main body, wherein when the filter unit is combined with the main body, a portion of the filter unit protrudes out of the main body, and a portion of the exhaust filter is positioned inside the main body and the other portion of the exhaust filter is positioned outside the main body.Type: ApplicationFiled: January 19, 2022Publication date: May 5, 2022Inventors: Bohyun NAM, Namhee KIM, Jinju KIM, Hyeonjeong AN, Jungbae HWANG, Philjae HWANG, Mantae HWANG, Eunji SUNG, Taekgi LEE
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Patent number: 11284760Abstract: A cleaner includes: a main body that forms an external shape; a dust container that is separably combined with the main body and stores dust separated from air; a dust container cover that is configured to open and close the dust container; a handle unit that is disposed behind the dust container; and an operating member that is configured to provide operation force to the dust container cover by moving in a first direction and to release a holding mechanism for preventing separation of the dust container from the main body by moving in a second direction opposite to the first direction.Type: GrantFiled: June 20, 2017Date of Patent: March 29, 2022Assignee: LG Electronics Inc.Inventors: Philjae Hwang, Mantae Hwang, Jungbae Hwang, Eunji Sung, Taekgi Lee
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Patent number: 11241130Abstract: A cleaner includes: a main body that has an opening; a suction motor that is disposed in the main body and generates suction force; and a filter unit that includes an exhaust filter for filtering air discharged from the suction motor, the filter unit being inserted into the main body through the opening and being separated from the main body, wherein when the filter unit is combined with the main body, a portion of the filter unit protrudes out of the main body, and a portion of the exhaust filter is positioned inside the main body and the other portion of the exhaust filter is positioned outside the main body.Type: GrantFiled: May 1, 2020Date of Patent: February 8, 2022Assignee: LG Electronics Inc.Inventors: Bohyun Nam, Namhee Kim, Jinju Kim, Hyeonjeong An, Jungbae Hwang, Philjae Hwang, Mantae Hwang, Eunji Sung, Taekgi Lee