Patents by Inventor Won Je CHO
Won Je CHO 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: 20260164940Abstract: A display device includes a substrate including a light emitting area and a non-light emitting area; an anode electrode disposed on one surface of the substrate to overlap the light emitting area; a light emitting layer disposed on the anode electrode; an element insulating layer disposed on the light emitting layer and defining an opening; a cathode electrode disposed on the element insulating layer and in contact with the light emitting layer in a portion overlapping the opening; and an insulating pattern disposed to surround the opening in a plan view and disposed between the light emitting layer and the element insulating layer, where the insulating pattern includes a bending portion bent in a direction perpendicular to the one surface of the substrate.Type: ApplicationFiled: August 19, 2025Publication date: June 11, 2026Inventors: Sa Min LEE, A Rong KIM, Young Min MOON, Won Je CHO
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Publication number: 20260130091Abstract: A display device includes: a substrate on which first to third sub-pixels are defined; sidewalls disposed on the substrate; an anode electrode disposed on the substrate to correspond to the first to third sub-pixels; a first emission structure disposed on the anode electrode of the first sub-pixel; a second emission structure disposed on the anode electrode of the second sub-pixel; a third emission structure disposed on the anode electrode of the third sub-pixel; a cathode electrode disposed on the first emission structure, the second emission structure, and the third emission structure; and a capping layer disposed on the cathode electrode. Each of the sidewalls includes: a first sidewall; and a second sidewall disposed on the first sidewall, and having a width greater than a width of the first sidewall. The capping layer does not overlap at least one of the first to third emission structures in a plan view.Type: ApplicationFiled: July 30, 2025Publication date: May 7, 2026Inventors: Hee Min PARK, A Rong KIM, Jae Ik KIM, Young Min MOON, Hee Jun YANG, Sa Min LEE, Won Je CHO
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Patent number: 11653524Abstract: A display device includes a substrate including a plastic layer, a barrier layer, and a display area in which an image is displayed. The display device further includes a light-emitting diode disposed in the display area, a planarization layer, and a pixel definition layer. The planarization layer and the pixel definition layer overlap the light-emitting diode. The display device further includes a thin film encapsulation layer disposed on the pixel definition layer. The thin film encapsulation layer includes at least one inorganic layer. The display device further includes an opening disposed in the display area and penetrating the substrate. The opening includes a protruded portion and a depressed portion, and the barrier layer overlaps at least one of the pixel definition layer and the planarization layer at the protruded portion.Type: GrantFiled: March 29, 2021Date of Patent: May 16, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Ho Yoon, Woo Yong Sung, Won Je Cho, Won Woo Choi
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Publication number: 20210217993Abstract: A display device includes a substrate including a plastic layer, a barrier layer, and a display area in which an image is displayed. The display device further includes a light-emitting diode disposed in the display area, a planarization layer, and a pixel definition layer. The planarization layer and the pixel definition layer overlap the light-emitting diode. The display device further includes a thin film encapsulation layer disposed on the pixel definition layer. The thin film encapsulation layer includes at least one inorganic layer. The display device further includes an opening disposed in the display area and penetrating the substrate. The opening includes a protruded portion and a depressed portion, and the barrier layer overlaps at least one of the pixel definition layer and the planarization layer at the protruded portion.Type: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Inventors: SEUNG HO YOON, WOO YONG SUNG, WON JE CHO, WON WOO CHOI
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Patent number: 10964910Abstract: A display device includes a substrate including a plastic layer, a barrier layer, and a display area in which an image is displayed. The display device further includes a light-emitting diode disposed in the display area, a planarization layer, and a pixel definition layer. The planarization layer and the pixel definition layer overlap the light-emitting diode. The display device further includes a thin film encapsulation layer disposed on the pixel definition layer. The thin film encapsulation layer includes at least one inorganic layer. The display device further includes an opening disposed in the display area and penetrating the substrate. The opening includes a protruded portion and a depressed portion, and the barrier layer overlaps at least one of the pixel definition layer and the planarization layer at the protruded portion.Type: GrantFiled: December 18, 2018Date of Patent: March 30, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Ho Yoon, Woo Yong Sung, Won Je Cho, Won Woo Choi
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Patent number: 10790475Abstract: A display device includes: a substrate; pixels on the substrate; and a polarization film on the pixels and stretched in a first direction and a second direction opposite to the first direction. The polarization film is cut at an end portion of the polarization film along a third direction, the third direction forming an acute angle with the first direction toward an outside of the polarization film.Type: GrantFiled: July 12, 2019Date of Patent: September 29, 2020Assignee: Samsung Display Co., Ltd.Inventor: Won Je Cho
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Patent number: 10779400Abstract: A display device includes a flexible substrate including a bending area corresponding to an area at which the display device is bent, and a first area and a second area which is spaced apart from the first area by the bending area, a display element unit disposed in the first area of the flexible substrate; and a buffer member disposed in the bending area of the flexible substrate. The buffer member in the bending area includes: a first buffer member having a first maximum thickness, and a second buffer member having a second maximum thickness which is smaller than the first maximum thickness. Among the first buffer member and the second member, the first buffer member disposed closer to the first area and the second member disposed closer to the second area.Type: GrantFiled: April 20, 2020Date of Patent: September 15, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Oh June Kwon, Seung Wook Kwon, Hyo Jeong Kwon, Doo Hwan Kim, Min Sang Kim, Chan Ho Moon, Won Je Cho
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Publication number: 20200253035Abstract: A display device includes a flexible substrate including a bending area corresponding to an area at which the display device is bent, and a first area and a second area which is spaced apart from the first area by the bending area, a display element unit disposed in the first area of the flexible substrate; and a buffer member disposed in the bending area of the flexible substrate. The buffer member in the bending area includes: a first buffer member having a first maximum thickness, and a second buffer member having a second maximum thickness which is smaller than the first maximum thickness. Among the first buffer member and the second member, the first buffer member disposed closer to the first area and the second member disposed closer to the second area.Type: ApplicationFiled: April 20, 2020Publication date: August 6, 2020Inventors: Oh June KWON, Seung Wook KWON, Hyo Jeong KWON, Doo Hwan KIM, Min Sang KIM, Chan Ho MOON, Won Je CHO
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Patent number: 10645802Abstract: A display device includes a flexible substrate including a bending area corresponding to an area at which the display device is bent, and a first area and a second area which is spaced apart from the first area by the bending area, a display element unit disposed in the first area of the flexible substrate; and a buffer member disposed in the bending area of the flexible substrate. The buffer member in the bending area includes: a first buffer member having a first maximum thickness, and a second buffer member having a second maximum thickness which is smaller than the first maximum thickness. Among the first buffer member and the second member, the first buffer member disposed closer to the first area and the second member disposed closer to the second area.Type: GrantFiled: September 19, 2019Date of Patent: May 5, 2020Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Oh June Kwon, Seung Wook Kwon, Hyo Jeong Kwon, Doo Hwan Kim, Min Sang Kim, Chan Ho Moon, Won Je Cho
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Publication number: 20200029423Abstract: A display device includes a flexible substrate including a bending area corresponding to an area at which the display device is bent, and a first area and a second area which is spaced apart from the first area by the bending area, a display element unit disposed in the first area of the flexible substrate; and a buffer member disposed in the bending area of the flexible substrate. The buffer member in the bending area includes: a first buffer member having a first maximum thickness, and a second buffer member having a second maximum thickness which is smaller than the first maximum thickness. Among the first buffer member and the second member, the first buffer member disposed closer to the first area and the second member disposed closer to the second area.Type: ApplicationFiled: September 19, 2019Publication date: January 23, 2020Inventors: Oh June KWON, Seung Wook KWON, Hyo Jeong KWON, Doo Hwan KIM, Min Sang KIM, Chan Ho MOON, Won Je CHO
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Publication number: 20190334130Abstract: A manufacturing method of a display device includes: forming pixels on a mother substrate including a display area and a non-display area; attaching a polarization film stretched in a first direction and a second direction opposite to the first direction on the mother substrate having the pixels thereon; and cutting at least a portion of the polarization film along a third direction, wherein the third direction forms an acute angle with the first direction toward an outside of the polarization film.Type: ApplicationFiled: July 12, 2019Publication date: October 31, 2019Inventor: Won Je CHO
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Patent number: 10462896Abstract: A display device includes a flexible substrate including a bending area corresponding to an area at which the display device is bent, and a first area and a second area which is spaced apart from the first area by the bending area, a display element unit disposed in the first area of the flexible substrate; and a buffer member disposed in the bending area of the flexible substrate. The buffer member in the bending area includes: a first buffer member having a first maximum thickness, and a second buffer member having a second maximum thickness which is smaller than the first maximum thickness. Among the first buffer member and the second member, the first buffer member disposed closer to the first area and the second member disposed closer to the second area.Type: GrantFiled: April 15, 2019Date of Patent: October 29, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Oh June Kwon, Seung Wook Kwon, Hyo Jeong Kwon, Doo Hwan Kim, Min Sang Kim, Chan Ho Moon, Won Je Cho
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Patent number: 10396313Abstract: A manufacturing method of a display device includes: forming pixels on a mother substrate including a display area and a non-display area; attaching a polarization film stretched in a first direction and a second direction opposite to the first direction on the mother substrate having the pixels thereon; and cutting at least a portion of the polarization film along a third direction, wherein the third direction forms an acute angle with the first direction toward an outside of the polarization film.Type: GrantFiled: October 26, 2017Date of Patent: August 27, 2019Assignee: Samsung Display Co., Ltd.Inventor: Won Je Cho
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Publication number: 20190245160Abstract: A display device includes a substrate including a plastic layer, a barrier layer, and a display area in which an image is displayed. The display device further includes a light-emitting diode disposed in the display area, a planarization layer, and a pixel definition layer. The planarization layer and the pixel definition layer overlap the light-emitting diode. The display device further includes a thin film encapsulation layer disposed on the pixel definition layer. The thin film encapsulation layer includes at least one inorganic layer. The display device further includes an opening disposed in the display area and penetrating the substrate. The opening includes a protruded portion and a depressed portion, and the barrier layer overlaps at least one of the pixel definition layer and the planarization layer at the protruded portion.Type: ApplicationFiled: December 18, 2018Publication date: August 8, 2019Inventors: Seung Ho Yoon, Woo Yong Sung, Won Je Cho, Won Woo Choi
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Publication number: 20180159086Abstract: A manufacturing method of a display device includes: forming pixels on a mother substrate including a display area and a non-display area; attaching a polarization film stretched in a first direction and a second direction opposite to the first direction on the mother substrate having the pixels thereon; and cutting at least a portion of the polarization film along a third direction, wherein the third direction forms an acute angle with the first direction toward an outside of the polarization film.Type: ApplicationFiled: October 26, 2017Publication date: June 7, 2018Inventor: Won Je CHO