Patents by Inventor Donghwan Shim
Donghwan Shim 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: 20240081123Abstract: A display apparatus includes a substrate, a first light-emitting element disposed over the substrate to emit light, a first dummy light-emitting element disposed over the substrate to emit light of a same color as a color of the light emitted from the first light-emitting element, an input sensing layer disposed on the first light-emitting element and the first dummy light-emitting element, and a light-blocking layer disposed on the input sensing layer, where an opening is defined through the light-blocking layer to overlap the first light-emitting element, and the input sensing layer includes a diffraction structure disposed to overlap the first dummy light-emitting element.Type: ApplicationFiled: February 16, 2023Publication date: March 7, 2024Inventors: Eonjoo LEE, Kwangwoo PARK, Donghwan SHIM, Jinyong LEE, Cheol JANG, Yongseon JO
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Patent number: 11915640Abstract: A pixel circuit includes a light-emitting element, a write transistor writing a data voltage, a driving transistor generating a driving current based on the data voltage and applying the driving current to the light-emitting element, a first initialization transistor applying a first initialization voltage to a control electrode of the driving transistor, a blocking transistor disposed between the light-emitting element and the driving transistor, a first blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a first signal, and a second electrode connected to a control electrode of the blocking transistor, and a second blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a second signal, and a second electrode connected to the control electrode of the blocking transistor.Type: GrantFiled: March 9, 2023Date of Patent: February 27, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Donghwan Shim, Kwangwoo Park, Eonjoo Lee, Jin-Yong Lee, Cheol Jang, Yongseon Jo
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Publication number: 20240057386Abstract: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; an auxiliary display element in the component area; an auxiliary pixel circuit in the peripheral area and comprising an auxiliary thin-film transistor and an auxiliary storage capacitor; a transparent connection line connecting the auxiliary display element to the auxiliary pixel circuit; and a first organic insulating layer and a second organic insulating layer that are stacked between the substrate and the auxiliary display element in the component area, wherein the first organic insulating layer is between the transparent connection line and the auxiliary display element, and a refractive index of the first organic insulating layer is between a refractive index of the transparent connection line and a refractive index of the second organic insulating layer.Type: ApplicationFiled: October 23, 2023Publication date: February 15, 2024Inventors: Juhoon KANG, Gunhee KIM, Hyunho KIM, Hyungkeun PARK, Donghwan SHIM, Taehoon YANG, Joohee JEON, Sunyoung JUNG, Chungsock CHOI
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Patent number: 11903242Abstract: A display apparatus includes: a substrate including a display area and a peripheral area around the display area, the substrate having a bent portion; a plurality of display elements in the display area; and a thin film encapsulation layer over the plurality of display elements and including a first encapsulation layer, a second encapsulation layer over the first encapsulation layer, and an organic encapsulation layer between the first encapsulation layer and the second encapsulation layer, wherein the second encapsulation layer includes a plurality of inorganic thin layers and a plurality of organic thin layers alternately arranged, and a thickness of the second encapsulation layer is equal to or less than a thickness of the first encapsulation layer.Type: GrantFiled: November 29, 2022Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sunhee Lee, Sunho Kim, Gunhee Kim, Donghwan Shim, Taehoon Yang
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Publication number: 20240046853Abstract: A pixel circuit includes a light-emitting element, a write transistor writing a data voltage, a driving transistor generating a driving current based on the data voltage and applying the driving current to the light-emitting element, a first initialization transistor applying a first initialization voltage to a control electrode of the driving transistor, a blocking transistor disposed between the light-emitting element and the driving transistor, a first blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a first signal, and a second electrode connected to a control electrode of the blocking transistor, and a second blocking control transistor including a control electrode connected to the control electrode of the driving transistor, a first electrode receiving a second signal, and a second electrode connected to the control electrode of the blocking transistor.Type: ApplicationFiled: March 9, 2023Publication date: February 8, 2024Inventors: DONGHWAN SHIM, KWANGWOO PARK, EONJOO LEE, JIN-YONG LEE, CHEOL JANG, YONGSEON JO
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Patent number: 11890848Abstract: A display device includes a window including a planar portion and a bending portion that is bent from the planar portion. A display module is disposed below the window. The display module includes a central portion overlapping the planar portion and an edge portion overlapping the bending portion. An adhesive member including an adhesive layer is disposed between the window and the display module. A lubrication layer overlaps at least a portion of the adhesive layer.Type: GrantFiled: January 31, 2023Date of Patent: February 6, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Hyun Kim, Seungmin Lee, Minjoo Kim, Donghwan Shim, Jungkyu Lee
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Publication number: 20240040838Abstract: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; a main sub-pixel at the main display area on the substrate; a main pixel circuit connected to the main sub-pixel, and including a main storage capacitor; an auxiliary sub-pixel at the component area on the substrate; an auxiliary pixel circuit at the peripheral area on the substrate, and including an auxiliary storage capacitor; and a connecting line connecting the auxiliary sub-pixel to the auxiliary pixel circuit. A capacity of the auxiliary storage capacitor is greater than a capacity of the main storage capacitor.Type: ApplicationFiled: October 12, 2023Publication date: February 1, 2024Inventors: Junki JEONG, Hyunho KIM, Sunyoung JUNG, Meehye JUNG, Seonyoung CHOI, Donghwan SHIM, Sanghee JANG, Chungsock CHOI, Juhoon KANG, Gunhee KIM, Taehoon YANG
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Patent number: 11856825Abstract: An OLED display device including: a substrate including a display area and a non-display area; an organic light emitting element including a first electrode, an organic light emitting layer on the first electrode, and a second electrode on the organic light emitting layer; a first conductive line at the non-display area of the substrate; a first organic layer on the first conductive line; a second conductive line on the first organic layer and connected to the first conductive line; a second organic layer on the second conductive line; and a third conductive line on the second organic layer and connected to the second conductive line. The third conductive line is connected to the second electrode. The first electrode is at the display area of the substrate.Type: GrantFiled: November 2, 2020Date of Patent: December 26, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Taehyun Kim, Seungmin Lee, Seonyoung Choi, Sangho Park, Donghwan Shim, Jungkyu Lee, Seunghwan Cho
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Publication number: 20230397467Abstract: A display apparatus includes a first transistor including a first semiconductor layer and a first electrode that at least partially overlaps the first semiconductor layer. A first capacitor includes the first electrode and a second electrode that at least partially overlaps the first electrode. A second capacitor includes the second electrode and a third electrode that at least partially overlaps the second electrode. A first data line is configured to transfer a data voltage therethrough. First and second scan lines are configured to transfer first and second scan signals therethrough, respectively. A second transistor connects the first data line to the second electrode in response to the first scan signal. A third transistor connects the first electrode to a drain of the first transistor in response to the second scan signal.Type: ApplicationFiled: August 22, 2023Publication date: December 7, 2023Inventors: SEOKHYUN LIM, JOOHEE JEON, SUNMI KANG, JUHOON KANG, HYUNGKEUN PARK, DONGHWAN SHIM, MIYEON CHO, GUNHEE KIM, SUNYOUNG JUNG
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Patent number: 11837177Abstract: A display apparatus includes: a plurality of first display elements at a first display area; a plurality of first pixel circuits at the first display area, and electrically connected to the plurality of first display elements, respectively; a plurality of second display elements at a second display area; a plurality of second pixel circuits located along a first direction at a non-display area, and electrically connected to the plurality of second display elements, respectively; and a data line electrically connected to at least one first pixel circuit from among the plurality of first pixel circuits that is located along a second direction crossing the first direction at the first display area, and to at least one second pixel circuit from among the plurality of second pixel circuits. The plurality of second pixel circuits are spaced from the plurality of second display elements in a plan view.Type: GrantFiled: October 10, 2022Date of Patent: December 5, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sanghee Jang, Juhoon Kang, Gunhee Kim, Hyunho Kim, Donghwan Shim, Seungchan Lee, Joohee Jeon, Sunyoung Jung
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Patent number: 11800751Abstract: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; an auxiliary display element in the component area; an auxiliary pixel circuit in the peripheral area and comprising an auxiliary thin-film transistor and an auxiliary storage capacitor; a transparent connection line connecting the auxiliary display element to the auxiliary pixel circuit; and a first organic insulating layer and a second organic insulating layer that are stacked between the substrate and the auxiliary display element in the component area, wherein the first organic insulating layer is between the transparent connection line and the auxiliary display element, and a refractive index of the first organic insulating layer is between a refractive index of the transparent connection line and a refractive index of the second organic insulating layer.Type: GrantFiled: July 30, 2021Date of Patent: October 24, 2023Assignee: Samsung Display Co., Ltd.Inventors: Juhoon Kang, Gunhee Kim, Hyunho Kim, Hyungkeun Park, Donghwan Shim, Taehoon Yang, Joohee Jeon, Sunyoung Jung, Chungsock Choi
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Patent number: 11793032Abstract: A display panel includes: a substrate including a main display area, a component area, and a peripheral area; a main sub-pixel at the main display area on the substrate; a main pixel circuit connected to the main sub-pixel, and including a main storage capacitor; an auxiliary sub-pixel at the component area on the substrate; an auxiliary pixel circuit at the peripheral area on the substrate, and including an auxiliary storage capacitor; and a connecting line connecting the auxiliary sub-pixel to the auxiliary pixel circuit. A capacity of the auxiliary storage capacitor is greater than a capacity of the main storage capacitor.Type: GrantFiled: March 24, 2021Date of Patent: October 17, 2023Assignee: Samsung Display Co., Ltd.Inventors: Junki Jeong, Hyunho Kim, Sunyoung Jung, Meehye Jung, Seonyoung Choi, Donghwan Shim, Sanghee Jang, Chungsock Choi, Juhoon Kang, Gunhee Kim, Taehoon Yang
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Patent number: 11765953Abstract: A display apparatus includes a first transistor including a first semiconductor layer and a first electrode that at least partially overlaps the first semiconductor layer. A first capacitor includes the first electrode and a second electrode that at least partially overlaps the first electrode. A second capacitor includes the second electrode and a third electrode that at least partially overlaps the second electrode. A first data line is configured to transfer a data voltage therethrough. First and second scan lines are configured to transfer first and second scan signals therethrough, respectively. A second transistor connects the first data line to the second electrode in response to the first scan signal. A third transistor connects the first electrode to a drain of the first transistor in response to the second scan signal.Type: GrantFiled: July 26, 2022Date of Patent: September 19, 2023Assignee: SAMSUNG DISPLAYCO., LTD.Inventors: Seokhyun Lim, Joohee Jeon, Sunmi Kang, Juhoon Kang, Hyungkeun Park, Donghwan Shim, Miyeon Cho, Gunhee Kim, Sunyoung Jung
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Publication number: 20230292566Abstract: A display panel includes: a display area including a main display area, and a component area; a peripheral area; a plurality of main pixel circuits at the main display area; a plurality of main gate lines extending in a first direction, and connected to the main pixel circuits; a plurality of main data lines extending in a second direction, and connected to the main pixel circuits; a plurality of auxiliary display elements at the component area; a plurality of auxiliary pixel circuits at the periphery area, and connected to the auxiliary display elements; a plurality of auxiliary gate lines connected to the auxiliary pixel circuits, and to main gate lines that are adjacent to the component area in the first direction; and a plurality of auxiliary data lines connected to the auxiliary pixel circuits, and to main data lines that are adjacent to the component area in the second direction.Type: ApplicationFiled: May 22, 2023Publication date: September 14, 2023Inventors: Sunyoung JUNG, Gunhee KIM, Hyunho KIM, Donghwan SHIM, Taehoon YANG, Sanghee JANG, Chungsock CHOI
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Publication number: 20230263032Abstract: A display device includes a display area and a peripheral area. A display layer includes a plurality of display elements arranged thereon. A thin-film encapsulation layer is arranged on the display layer and includes first, second, and third encapsulation layers. The second encapsulation layer is on the first encapsulation layer. The third encapsulation layer is on the second encapsulation layer. A touch sensing layer is arranged on the thin-film encapsulation layer and includes touch electrodes and trace lines. The display area is partially bent about an axis, and the third encapsulation layer is bent along the axis and has a structure in which a first layer and a second layer are alternately stacked. The first layer includes an inorganic insulating material, and the second layer includes a silicon carbon compound material.Type: ApplicationFiled: April 24, 2023Publication date: August 17, 2023Inventors: SUNHEE LEE, Sunho Kim, Gunhee Kim, Donghwan Shim, Taehoon Yang, Choelmin Jang
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Publication number: 20230182460Abstract: A display device includes a window including a planar portion and a bending portion that is bent from the planar portion. A display module is disposed below the window. The display module includes a central portion overlapping the planar portion and an edge portion overlapping the bending portion. An adhesive member including an adhesive layer is disposed between the window and the display module. A lubrication layer overlaps at least a portion of the adhesive layer.Type: ApplicationFiled: January 31, 2023Publication date: June 15, 2023Inventors: TAE HYUN KIM, Seungmin Lee, Minjoo Kim, Donghwan Shim, Jungkyu Lee
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Publication number: 20230172016Abstract: A display device including a display panel including a display area, a non-display area, a pixel disposed in the display area and including a light emitting element and a pixel driving circuit electrically connected to the light emitting element, a data line electrically connected to the pixel and extending in a first direction, a plurality of scan lines electrically connected to the pixel and extending in a second direction intersecting the first direction, an emission control line electrically connected to the pixel and extending in the second direction, and a first initialization voltage line electrically connected to the pixel, extending in the second direction, and to which a first initialization voltage is applied. The first initialization voltage line is disposed between one of the plurality of scan lines and the emission control line and another of the plurality of scan lines and the emission control line.Type: ApplicationFiled: October 11, 2022Publication date: June 1, 2023Applicant: Samsung Display Co., Ltd.Inventors: HYUNGKEUN PARK, SUNMI KANG, JUHOON KANG, DONGHWAN SHIM, SEOKHYUN LIM, JOOHEE JEON, MIYEON CHO, GUN HEE KIM, SUNYOUNG JUNG
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Patent number: 11659744Abstract: A display panel includes: a display area including a main display area, and a component area; a peripheral area; a plurality of main pixel circuits at the main display area; a plurality of main gate lines extending in a first direction, and connected to the main pixel circuits; a plurality of main data lines extending in a second direction, and connected to the main pixel circuits; a plurality of auxiliary display elements at the component area; a plurality of auxiliary pixel circuits at the periphery area, and connected to the auxiliary display elements; a plurality of auxiliary gate lines connected to the auxiliary pixel circuits, and to main gate lines that are adjacent to the component area in the first direction; and a plurality of auxiliary data lines connected to the auxiliary pixel circuits, and to main data lines that are adjacent to the component area in the second direction.Type: GrantFiled: July 8, 2021Date of Patent: May 23, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sunyoung Jung, Gunhee Kim, Hyunho Kim, Donghwan Shim, Taehoon Yang, Sanghee Jang, Chungsock Choi
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Publication number: 20230157112Abstract: A display apparatus includes a first transistor including a first semiconductor layer and a first electrode that at least partially overlaps the first semiconductor layer. A first capacitor includes the first electrode and a second electrode that at least partially overlaps the first electrode. A second capacitor includes the second electrode and a third electrode that at least partially overlaps the second electrode. A first data line is configured to transfer a data voltage therethrough. First and second scan lines are configured to transfer first and second scan signals therethrough, respectively. A second transistor connects the first data line to the second electrode in response to the first scan signal. A third transistor connects the first electrode to a drain of the first transistor in response to the second scan signal.Type: ApplicationFiled: July 26, 2022Publication date: May 18, 2023Inventors: SEOKHYUN LIM, Joohee Jeon, Sunmi Kang, Juhoon Kang, Hyungkeun Park, Donghwan Shim, Miyeon Cho, Gunhee Kim, Sunyoung Jung
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Patent number: 11653546Abstract: A display device includes a display area and a peripheral area. A display layer includes a plurality of display elements arranged thereon. A thin-film encapsulation layer is arranged on the display layer and includes first, second, and third encapsulation layers. The second encapsulation layer is on the first encapsulation layer. The third encapsulation layer is on the second encapsulation layer. A touch sensing layer is arranged on the thin-film encapsulation layer and includes touch electrodes and trace lines. The display area is partially bent about an axis, and the third encapsulation layer is bent along the axis and has a structure in which a first layer and a second layer are alternately stacked. The first layer includes an inorganic insulating material, and the second layer includes a silicon carbon compound material.Type: GrantFiled: December 28, 2020Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sunhee Lee, Sunho Kim, Gunhee Kim, Donghwan Shim, Taehoon Yang, Choelmin Jang