Patents by Inventor Ok-Kyung Park
Ok-Kyung Park 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: 20220376017Abstract: A display device capable of reducing stress applied to a display panel and improving the flexibility of a bendable part of the display panel is provided. According to an embodiment, a display device includes a display panel including a bending region which is partially bent, and a boundary region which is connected to the bending region, a bent location of the bending region varies so that the area of the display panel being exposed in one direction changes, the boundary region includes a plurality of pixels and a plurality of driving circuits for driving the pixels, and the bending region includes a plurality of copy pixels which are driven by the driving circuits of the boundary region.Type: ApplicationFiled: January 4, 2022Publication date: November 24, 2022Inventors: Yun Mi CHOI, Ok Kyung PARK, Young Seok SEO
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Publication number: 20220352280Abstract: A display device includes a first display area; a second display area disposed adjacent to the first display area; a driver at least partially disposed in the second display area; a plurality of first light emitting elements disposed in the first display area; a plurality of second light emitting elements disposed in the second display area and including a boundary light emitting element adjacent to the first display area and a driver light emitting element overlapping the driver; and a copy light emitting element and a dummy light emitting element disposed in the second display area and electrically connected to the boundary light emitting element.Type: ApplicationFiled: April 4, 2022Publication date: November 3, 2022Inventors: Ju Chan PARK, Sun Ho Kim, Ok-Kyung Park, Hyang-A Park, Sun Hee Lee
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Publication number: 20220221953Abstract: A display device includes a first display area including first pixels, driving electrodes, and sensing electrodes. A second display area includes second pixels, sub-driving electrodes, and sub-sensing electrodes. Auxiliary electrodes are between the first and second display areas. A number of first pixels per unit area of the first display area is greater than a number of second pixels per unit area of the second display area.Type: ApplicationFiled: September 3, 2021Publication date: July 14, 2022Inventors: Seung Lyong Bok, Ki Cheol Kim, Ok Kyung Park
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Publication number: 20220208864Abstract: A display device includes a substrate having a first main display area, a second main display area, and a sub-display area positioned between the first main display area and the second main display area; a first driving circuit positioned on the sub-display area of the substrate; a first sub-pixel circuit and a second sub-pixel circuit positioned on respective sides of the first driving circuit in the sub-display area of the substrate; a first sub-light-emitting device connected to the first sub-pixel circuit and overlapping the first driving circuit; and a second sub-light-emitting device connected to the second sub-pixel circuit and overlapping the first driving circuit.Type: ApplicationFiled: October 12, 2021Publication date: June 30, 2022Inventors: Hye Won KIM, Sun Hee Lee, Ju Chan Park, Gun Hee Kim, Ok-Kyung Park
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Patent number: 10937848Abstract: An organic light emitting diode (OLED) display includes: a first electrode around a center point of a virtual tetragon, e.g., a virtual square; second electrodes around a first vertex and a second vertex diagonal to the first vertex of the virtual square, the second electrodes being separated from each other and with the center point of the virtual square interposed therebetween; third electrodes around a third vertex and a fourth vertex of the virtual square, the third electrodes being separated from each other and with the center point of the virtual square interposed therebetween; a pixel defining layer partially on the first electrode, the second electrodes, and the third electrodes, and partially exposing the first electrode, the second electrodes, and the third electrodes; and four spacers disposed as islands on the pixel defining layer and corresponding to four sides of the virtual square.Type: GrantFiled: January 29, 2019Date of Patent: March 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Ok-Kyung Park, Su Yeon Yun
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Publication number: 20210013456Abstract: A display device includes a substrate, a semiconductor layer on the substrate, the semiconductor layer comprising a first semiconductor portion, a first insulating layer on the semiconductor layer, a first gate electrode on the first insulating layer and overlapping the first semiconductor portion, a scan line disposed on the first insulating layer and extending in a first direction, a second insulating layer on the first gate electrode and the scan line, a data line on the second insulating layer, and a first driving voltage line on the second insulating layer. The first driving voltage line may include a first portion extending in a second direction crossing the first direction, and a second portion expanding from the first portion in the first direction. The first portion may overlap the scan line, and the second portion may overlap the first gate electrode in a plan view to form a storage capacitor.Type: ApplicationFiled: September 29, 2020Publication date: January 14, 2021Applicant: Samsung Display Co., Ltd.Inventors: Chang Soo PYON, Ok-Kyung PARK, Se-Ho KIM
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Patent number: 10818880Abstract: An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.Type: GrantFiled: November 15, 2019Date of Patent: October 27, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Soo Pyon, Ok-Kyung Park, Se-Ho Kim
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Publication number: 20200083491Abstract: An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.Type: ApplicationFiled: November 15, 2019Publication date: March 12, 2020Applicant: Samsung Display Co., Ltd.Inventors: Chang Soo PYON, Ok-Kyung PARK, Se-Ho KIM
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Patent number: 10505157Abstract: An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.Type: GrantFiled: February 13, 2019Date of Patent: December 10, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Soo Pyon, Ok-Kyung Park, Se-Ho Kim
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Patent number: 10347703Abstract: An organic light emitting diode (OLED) display includes: a first electrode around a center point of a virtual tetragon, e.g., a virtual square; second electrodes around a first vertex and a second vertex diagonal to the first vertex of the virtual square, the second electrodes being separated from each other and with the center point of the virtual square interposed therebetween; third electrodes around a third vertex and a fourth vertex of the virtual square, the third electrodes being separated from each other and with the center point of the virtual square interposed therebetween; a pixel defining layer partially on the first electrode, the second electrodes, and the third electrodes, and partially exposing the first electrode, the second electrodes, and the third electrodes; and four spacers disposed as islands on the pixel defining layer and corresponding to four sides of the virtual square.Type: GrantFiled: August 28, 2017Date of Patent: July 9, 2019Assignee: Samsung Display Co., Ltd.Inventors: Ok-Kyung Park, Su Yeon Yun
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Publication number: 20190181391Abstract: An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.Type: ApplicationFiled: February 13, 2019Publication date: June 13, 2019Inventors: Chang Soo PYON, Ok-Kyung PARK, Se-Ho KIM
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Publication number: 20190157368Abstract: An organic light emitting diode (OLED) display includes: a first electrode around a center point of a virtual tetragon, e.g., a virtual square; second electrodes around a first vertex and a second vertex diagonal to the first vertex of the virtual square, the second electrodes being separated from each other and with the center point of the virtual square interposed therebetween; third electrodes around a third vertex and a fourth vertex of the virtual square, the third electrodes being separated from each other and with the center point of the virtual square interposed therebetween; a pixel defining layer partially on the first electrode, the second electrodes, and the third electrodes, and partially exposing the first electrode, the second electrodes, and the third electrodes; and four spacers disposed as islands on the pixel defining layer and corresponding to four sides of the virtual square.Type: ApplicationFiled: January 29, 2019Publication date: May 23, 2019Inventors: Ok-Kyung Park, Su Yeon Yun
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Patent number: 10230074Abstract: An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.Type: GrantFiled: April 4, 2018Date of Patent: March 12, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Soo Pyon, Ok-Kyung Park, Se-Ho Kim
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Publication number: 20180226618Abstract: An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.Type: ApplicationFiled: April 4, 2018Publication date: August 9, 2018Inventors: Chang Soo PYON, Ok-Kyung PARK, Se-Ho KIM
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Patent number: 9941489Abstract: An organic light emitting diode display device includes a first driving voltage line including a first portion extending in a first direction and a second portion having a larger width than the first portion in a second direction perpendicular to the first direction. The second portion overlaps a gate electrode of a driving thin film transistor, an interlayer insulating layer is between the second portion and the gate electrode of the driving thin film transistor.Type: GrantFiled: August 31, 2015Date of Patent: April 10, 2018Assignee: Samsung Display Co., Ltd.Inventors: Chang Soo Pyon, Ok-Kyung Park, Se-Ho Kim
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Publication number: 20170358640Abstract: An organic light emitting diode (OLED) display includes: a first electrode around a center point of a virtual tetragon, e.g., a virtual square; second electrodes around a first vertex and a second vertex diagonal to the first vertex of the virtual square, the second electrodes being separated from each other and with the center point of the virtual square interposed therebetween; third electrodes around a third vertex and a fourth vertex of the virtual square, the third electrodes being separated from each other and with the center point of the virtual square interposed therebetween; a pixel defining layer partially on the first electrode, the second electrodes, and the third electrodes, and partially exposing the first electrode, the second electrodes, and the third electrodes; and four spacers disposed as islands on the pixel defining layer and corresponding to four sides of the virtual square.Type: ApplicationFiled: August 28, 2017Publication date: December 14, 2017Inventors: Ok-Kyung Park, Su Yeon Yun
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Patent number: 9837476Abstract: An organic light emitting diode (OLED) display includes: a first electrode around a center point of a virtual tetragon, e.g., a virtual square; second electrodes around a first vertex and a second vertex diagonal to the first vertex of the virtual square, the second electrodes being separated from each other and with the center point of the virtual square interposed therebetween; third electrodes around a third vertex and a fourth vertex of the virtual square, the third electrodes being separated from each other and with the center point of the virtual square interposed therebetween; a pixel defining layer partially on the first electrode, the second electrodes, and the third electrodes, and partially exposing the first electrode, the second electrodes, and the third electrodes; and four spacers disposed as islands on the pixel defining layer and corresponding to four sides of the virtual square.Type: GrantFiled: April 4, 2016Date of Patent: December 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ok-Kyung Park, Su Yeon Yun
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Patent number: 9747831Abstract: A flat panel display device formed in a pentile structure is provided, which includes a pixel portion and a lighting tester. The pixel portion includes a first pixel column, a second pixel column and a third pixel column. In the first pixel column, first pixels for displaying a first color and second pixels for displaying a second color are alternately arranged in a direction the data lines. In the second pixel column, first and second pixels arranged in reverse order of the first pixel column in a direction parallel to the data lines. In the third pixel column, third pixels for displaying a third color are arranged in a direction parallel to the data lines. The lighting tester applies a first voltage to the first pixel column and applies a second voltage to the second pixel column during a first time period. The lighting tester applies the second voltage to the first pixel column and applies the first voltage to the second pixel column during a second time period.Type: GrantFiled: July 20, 2015Date of Patent: August 29, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ok-Kyung Park, Ji-Hyun Ka
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Patent number: 9685490Abstract: An organic light emitting diode (OLED) display includes: a first electrode around a center point of a virtual tetragon, e.g., a virtual square; second electrodes around a first vertex and a second vertex diagonal to the first vertex of the virtual square, the second electrodes being separated from each other and with the center point of the virtual square interposed therebetween; third electrodes around a third vertex and a fourth vertex of the virtual square, the third electrodes being separated from each other and with the center point of the virtual square interposed therebetween; a pixel defining layer partially on the first electrode, the second electrodes, and the third electrodes, and partially exposing the first electrode, the second electrodes, and the third electrodes; and four spacers disposed as islands on the pixel defining layer and corresponding to four sides of the virtual square.Type: GrantFiled: April 4, 2016Date of Patent: June 20, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ok-Kyung Park, Su Yeon Yun
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Patent number: RE49135Abstract: A flat panel display device formed in a pentile structure is provided, which includes a pixel portion and a lighting tester. The pixel portion includes a first pixel column, a second pixel column and a third pixel column. In the first pixel column, first pixels for displaying a first color and second pixels for displaying a second color are alternately arranged in a direction the data lines. In the second pixel column, first and second pixels arranged in reverse order of the first pixel column in a direction parallel to the data lines. In the third pixel column, third pixels for displaying a third color are arranged in a direction parallel to the data lines. The lighting tester applies a first voltage to the first pixel column and applies a second voltage to the second pixel column during a first time period. The lighting tester applies the second voltage to the first pixel column and applies the first voltage to the second pixel column during a second time period.Type: GrantFiled: August 29, 2019Date of Patent: July 12, 2022Assignee: Samsung Display Co., Ltd.Inventors: Ok-Kyung Park, Ji-Hyun Ka