Patents by Inventor Kwanhee Lee
Kwanhee Lee 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: 20250040346Abstract: A display panel includes a base layer, a circuit element layer, and a light-emitting element layer. The circuit element layer includes a power electrode, and an auxiliary electrode disposed on a side surface of the power electrode. The light-emitting element layer includes a pixel defining film that defines a pixel opening, a conductive partition wall disposed on the pixel defining film, a lower electrode disposed in the pixel opening, a light-emitting pattern disposed on the lower electrode, and an upper electrode disposed on the light-emitting pattern. The conductive partition wall includes a first conductive layer disposed on the pixel defining film, and a second conductive layer, and a side surface of the second conductive layer more protrudes than a side surface of the first conductive layer. The upper electrode is electrically connected to the power electrode via the auxiliary electrode.Type: ApplicationFiled: May 30, 2024Publication date: January 30, 2025Inventors: KWANHEE LEE, KIHOON PARK, KOHEI EBISUNO, JOONHYOUNG PARK, SE WAN SON, SANGHOON OH, JISEON LEE, JAESOO JUNG, HYERI CHO
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Publication number: 20250038165Abstract: An electrode manufacturing device rolls and transfers a sheet-shaped electrode in which an active material layer is applied to at least any one of a metal foil with a first surface and a second surface which is a back surface of the first surface. At least any one of a rolling roll rolling the electrode and a travel roll rolling and then transferring the electrode comprises a base roll having a predetermined diameter, and having a base surface at an outer circumference thereof; and a step ring being coupled to the outer circumference of the base roll, and having a step surface a diameter of which is greater than a diameter of the base surface. The step ring is detachably coupled to the base roll. A thickness of a step differs from a thickness of the active material layer.Type: ApplicationFiled: November 10, 2022Publication date: January 30, 2025Applicant: LG ENERGY SOLUTION, LTD.Inventors: Sue Jin KIM, Duk Hyun RYU, Kwanhee LEE, Jinsu JANG, Yunju LEE, Geunho PARK, Seungyeon SON
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Publication number: 20250002001Abstract: An apparatus for controlling a hybrid vehicle includes an engine; a drive motor; a battery; an electric supercharger configured to be installed in an intake line in which an intake air supplied to a combustion chamber of the engine flows; a navigation device configure to calculate a driving path from a starting point to a destination point and driving information; a controller configure to calculate a driving load from the driving path and the driving information calculated by the navigation device, determine an optimal SOC (state of charge) for each section from the starting point to destination point based on the driving load, determine a driving mode of the vehicle based on a required torque of driver and a driving mode of the battery to follow the optimal SOC for each section, and adjust an operating point of the engine.Type: ApplicationFiled: September 12, 2024Publication date: January 2, 2025Inventors: Jonghyeok Lee, Dong Hee Han, Hyunjin Kang, Kwanhee Lee, Yeongseop Park, Seungwoo Hong, Yong Kak Choi, Heechang Oh
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Patent number: 12183750Abstract: A pixel array and an image sensor including the pixel array are provided. The pixel array included in the image sensor includes a plurality of pixels arranged in a matrix, and a plurality of column lines each commonly connected to pixels arranged on a same column from among the plurality of pixels. Each of the plurality of pixels includes four subpixels. Each of the four subpixels includes four photoelectric conversion devices; a floating diffusion region storing electric charges generated by the four photoelectric conversion devices; and four transmission gates configured to transmit the electric charges generated by the four photoelectric conversion devices to the floating diffusion region. Four floating diffusion regions included in the four subpixels are electrically connected to one another via internal wiring. Each of the plurality of pixels further includes a reset gate, a first driving gate and a first selection gate.Type: GrantFiled: June 3, 2022Date of Patent: December 31, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeongjin Cho, Kwanhee Lee
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Patent number: 12185614Abstract: A display apparatus includes a substrate, a pixel layer including a plurality of display devices on the substrate, an encapsulating member encapsulating the pixel layer, a light modulating layer on the encapsulating member, a functional layer on the light modulating layer, and a bonding layer located between the light modulating layer and the functional layer and to bond the light modulating layer and the functional layer, where the light modulating layer has openings corresponding to the plurality of display devices, and where the bonding layer fills the openings and has a refractive index that is greater than a refractive index of the light modulating layer.Type: GrantFiled: July 15, 2020Date of Patent: December 31, 2024Assignee: Samsung Display Co., Ltd.Inventors: Changmok Kim, Kwanhee Lee, Jiwon Jung, Youngseo Choi
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Publication number: 20240405048Abstract: An embodiment of the present disclosure provides an image sensor including: a first die including a pixel array area in which first and second photoelectric conversion devices that generate respective charges corresponding to incident light are disposed; and a second die including a first pixel circuit that receives the charges from the first photoelectric conversion device and generates a phase signal of the incident light based on the charges received from the first photoelectric conversion device, and a second pixel circuit that receives the charges from the second photoelectric conversion device and generates an event signal corresponding to the incident light based on the charges received from the second photoelectric conversion device.Type: ApplicationFiled: December 14, 2023Publication date: December 5, 2024Inventors: JUNSEOK KIM, KWANHEE LEE, MOOSUNG KWAK, CHULWOONG LEE, Gyubeom IM
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Patent number: 12161011Abstract: A method of providing a display device includes preparing a display panel including a first area, a bending area extending from the first area, and a second area extending from the bending area, attaching an impact absorbing layer to the display panel, removing a first removal portion of a first release film which overlaps the second area, among portions of the first release film disposed on the impact absorbing layer, and providing a cover tape on a first portion of the impact absorbing layer from which the first removal portion is removed.Type: GrantFiled: November 4, 2021Date of Patent: December 3, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jonghyun Choi, Youngwoo Park, Kwanhee Lee
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Patent number: 12115972Abstract: An apparatus for controlling a hybrid vehicle includes an engine; a drive motor; a battery; an electric supercharger configured to be installed in an intake line in which an intake air supplied to a combustion chamber of the engine flows; a navigation device configure to calculate a driving path from a starting point to a destination point and driving information; a controller configure to calculate a driving load from the driving path and the driving information calculated by the navigation device, determine an optimal SOC (state of charge) for each section from the starting point to destination point based on the driving load, determine a driving mode of the vehicle based on a required torque of driver and a driving mode of the battery to follow the optimal SOC for each section, and adjust an operating point of the engine.Type: GrantFiled: November 24, 2020Date of Patent: October 15, 2024Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jonghyeok Lee, Dong Hee Han, Hyunjin Kang, Kwanhee Lee, Yeongseop Park, Seungwoo Hong, Yong Kak Choi, Heechang Oh
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Publication number: 20240324305Abstract: A display apparatus includes a substrate including a display area and a non-display area outside the display area, a pixel circuit layer disposed on the substrate and including at least one transistor, a first sub-pixel electrode, a second sub-pixel electrode, and a third sub-pixel electrode spaced apart from each other and disposed on the pixel circuit layer, a first conductive bank layer disposed on the first sub-pixel electrode and including a first opening overlapping the first sub-pixel electrode, a second conductive bank layer disposed on the second sub-pixel electrode and including a second opening overlapping the second sub-pixel electrode, and a third conductive bank layer disposed on the third sub-pixel electrode and including a third opening overlapping the third sub-pixel electrode, wherein the first conductive bank layer, the second conductive bank layer, and the third conductive bank layer are spaced apart from each other.Type: ApplicationFiled: November 13, 2023Publication date: September 26, 2024Applicant: Samsung Display Co., Ltd.Inventors: Seunghyun Lee, Sewan Son, Sungho Kim, Minwoo Woo, Kwanhee Lee, Jiseon Lee, Kyeongwoo Jang, Sugwoo Jung
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Publication number: 20240324317Abstract: A display apparatus includes a pixel electrode, a pixel definition layer disposed over the pixel electrode and including a first opening exposing a center portion of the pixel electrode, a bank layer disposed over the pixel definition layer and including a second opening exposing the center portion of the pixel electrode, a first pixel protection layer and a second pixel protection layer arranged between the pixel definition layer and the bank layer, an intermediate layer disposed over the pixel electrode, an opposite electrode disposed over the intermediate layer, and an encapsulation layer disposed over the bank layer and the opposite electrode.Type: ApplicationFiled: March 22, 2024Publication date: September 26, 2024Inventors: Sewan Son, Wangwoo Lee, Sungho Kim, Minwoo Woo, Kwanhee Lee, Jiseon Lee, Sugwoo Jung, Hyeri Cho
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Publication number: 20240298512Abstract: A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion.Type: ApplicationFiled: May 15, 2024Publication date: September 5, 2024Inventors: SEIL KIM, EUIGYU KIM, KWANHEE LEE, SANG MIN YI, JUNHYEUK KO, SEUNGJU HONG
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Publication number: 20240292733Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer disposed between the first electrode and the second electrode and including an emission layer patterned into a red emission layer and a green emission layer for a corresponding sub-pixel, wherein the red emission layer includes a red dopant having a horizontal dipole moment, and the green emission layer comprises a green dopant having a horizontal dipole moment, and the horizontal dipole moment of the green dopant is greater than the horizontal dipole moment of the red dopant.Type: ApplicationFiled: March 18, 2024Publication date: August 29, 2024Inventors: Jinsook Bang, Donghoon Kim, Sanghoon Yim, Jinyoung Choi, Eunjeong Hong, Kwanhee Lee
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Patent number: 12063848Abstract: A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion.Type: GrantFiled: March 21, 2023Date of Patent: August 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seil Kim, Euigyu Kim, Kwanhee Lee, Sang Min Yi, Junhyeuk Ko, Seungju Hong
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Patent number: 12052885Abstract: An display device including a substrate, an organic light-emitting diode, and a thin film encapsulation layer. The organic light-emitting diode is disposed on the substrate. The thin film encapsulation layer is disposed on the organic light-emitting diode. The thin film encapsulation layer includes at least one inorganic layer, at least one organic layer, and a first refractive-index control layer. The at least one organic layer is alternately disposed with the at least one inorganic layer. The first refractive-index layer is disposed between one of the at least one inorganic layer and one of the at least one organic layer disposed adjacent to each other. The first refractive-index control layer has a refractive-index variation ratio per unit length (?n/nm) from about 0.001/nm to about 0.002/nm along a direction from the organic light-emitting diode toward the thin film encapsulation layer.Type: GrantFiled: March 25, 2021Date of Patent: July 30, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sanghoon Yim, Wonjong Kim, Yisu Kim, Minho Oh, Wonmin Yun, Kwanhee Lee, Byoungduk Lee, Yoonhyeung Cho, Youngcheol Joo, Yongchan Ju
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Publication number: 20240251595Abstract: An electronic apparatus includes: an electronic module; a display panel disposed on the electronic module and including a first display region and a second display region adjacent to the first display region, the second display region overlapping the electronic module; and a polarization plate disposed on the display panel and including a first polarization region overlapping the first display region and a second polarization region including a polarization part and a non-polarization part having higher light transmittance than the polarization part, the non-polarization part overlapping the second display region.Type: ApplicationFiled: March 14, 2024Publication date: July 25, 2024Inventors: YOUNG SEO CHOI, SUNGCHUL KIM, KWANHEE LEE
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Publication number: 20240250074Abstract: A display apparatus includes a substrate including a display area and a non-display area, an organic insulating layer on the substrate, a first sub-pixel electrode on the organic insulating layer in the display area, a conductive bank layer including a first opening overlapping the first sub-pixel electrode, and a first conductive layer and a second conductive layer having different etch selectivities from each other, an insulating layer between the first sub-pixel electrode and the conductive bank layer, the insulating layer including an opening overlapping the first opening, a first intermediate layer on the first sub-pixel electrode, a first opposite electrode on the first intermediate layer, and a first inorganic barrier layer on the first opposite electrode. The conductive bank layer includes an inner exhaust opening around the first opening and overlapping the organic insulating layer, and the insulating layer includes an exhaust opening overlapping the inner exhaust opening.Type: ApplicationFiled: January 16, 2024Publication date: July 25, 2024Applicant: Samsung Display Co., Ltd.Inventors: Jiseon Lee, Sewan Son, Sungho Kim, Kwanhee Lee, Seunghyun Lee, Kyeongwoo Jang, Sugwoo Jung, Hyeri Cho
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Publication number: 20240237459Abstract: A display apparatus including a substrate, a first sub-pixel electrode disposed over the substrate, a metal bank layer overlapping the first sub-pixel electrode, an inorganic bank layer disposed on the first sub-pixel electrode and disposed under the metal bank layer, and an auxiliary electrode overlapping the metal bank layer in the non-sub-pixel area, wherein a bottom surface of the inorganic bank layer is in contact with the auxiliary electrode through a first contact hole.Type: ApplicationFiled: December 28, 2023Publication date: July 11, 2024Inventors: Kyeongwoo Jang, Sewan Son, Jiseon Lee, Kwanhee Lee, Seunghyun Lee, Sugwoo Jung
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Patent number: 12016239Abstract: A mask includes a first mask that includes a first long side that extends in a first direction and a first short side that extends in a second direction that crosses the first direction and that includes a first edge portion, a first center portion, and a first welded portion, that are sequentially arranged in the first direction. The mask further includes a second mask that includes a second long side that extends in the first direction and a second short side that extends in the second direction and that includes a second welded portion, a second center portion, and a second edge portion, that are sequentially arranged in the first direction. The first welded portion is in contact with the second welded portion.Type: GrantFiled: March 21, 2023Date of Patent: June 18, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seil Kim, Euigyu Kim, Kwanhee Lee, Sang Min Yi, Junhyeuk Ko, Seungju Hong
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Publication number: 20240172485Abstract: A display panel includes a substrate including a display area and a non-display area disposed outside the display area, first to third light-emitting diodes disposed on a substrate in the display area, a metal bank layer disposed in the display area and having pixel openings, a first inorganic encapsulation layer disposed on the first light-emitting diode, a first dummy layer disposed between the first inorganic encapsulation layer and the metal bank layer, a first clad layer overlapping an end of the first dummy layer, and a dam disposed on the non-display area and including a first inorganic layer and a second inorganic layer on the first inorganic layer, wherein the first inorganic layer and the first inorganic encapsulation layer include a same material, and the second inorganic layer and the first clad layer include a same material.Type: ApplicationFiled: September 27, 2023Publication date: May 23, 2024Applicant: Samsung Display Co., Ltd.Inventors: Kyeongwoo Jang, Sungho Kim, Sewan Son, Minwoo Woo, Kwanhee Lee, Seunghyun Lee, Wangwoo Lee, Jiseon Lee, Sugwoo Jung, Hyeri Cho
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Publication number: 20240154085Abstract: An electrode coating die includes a slurry discharge part configured to discharge an active material slurry onto a current collector; and a dam liquid discharge part provided on at least one side of the slurry discharge part and configured to discharge a dam liquid to form a dam layer covering at least a portion of an inclined surface portion provided at an edge portion of an active material slurry layer coated with an active material slurry discharged from the slurry discharge part, and an electrode coating apparatus including the same. Further, the present invention provides a method of manufacturing an electrode, the method including: a preparing operation of preparing an active material slurry including an active material, a conductive material, and a solvent; and a coating operation of applying the active material slurry on a current collector.Type: ApplicationFiled: April 22, 2022Publication date: May 9, 2024Applicant: LG ENERGY SOLUTION, LTD.Inventors: Sue Jin KIM, Duk Hyun RYU, Kwanhee LEE, Jinsu JANG, Yunju LEE, Geunho PARK, Sangjin PARK