Patents by Inventor Hyeong-Cheol Ahn
Hyeong-Cheol Ahn 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: 20230292443Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.Type: ApplicationFiled: May 16, 2023Publication date: September 14, 2023Inventor: Hyeong-Cheol AHN
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Patent number: 11653451Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.Type: GrantFiled: February 18, 2019Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventor: Hyeong-Cheol Ahn
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Patent number: 11455049Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.Type: GrantFiled: December 20, 2019Date of Patent: September 27, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeong-Cheol Ahn, Won-il Lee, Byughoon Chae
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Publication number: 20220121303Abstract: A display device has a first area, and a second area that extends from the first area and has a bent shape, the display device including a display module including a display panel, which has a corner portion in the second area, an input-sensing member on the display panel and including a body portion, which overlaps with the display panel, and an extension, which extends from the body portion, is in the second area, and does not overlap with the display panel, and a first bonding layer between the display module and the input-sensing member, wherein an edge of the extension extends beyond an edge of the corner portion.Type: ApplicationFiled: December 23, 2021Publication date: April 21, 2022Inventors: Hyeong Cheol AHN, Yang Han SON, Yun Oh NAM, Won Il LEE, Youn Hwan JUNG, So Hyun KIM
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Patent number: 11216094Abstract: A display device has a first area, and a second area that extends from the first area and has a bent shape, the display device including a display module including a display panel, which has a corner portion in the second area, an input-sensing member on the display panel and including a body portion, which overlaps with the display panel, and an extension, which extends from the body portion, is in the second area, and does not overlap with the display panel, and a first bonding layer between the display module and the input-sensing member, wherein an edge of the extension extends beyond an edge of the corner portion.Type: GrantFiled: May 21, 2018Date of Patent: January 4, 2022Assignee: Samsung Display Co., Ltd.Inventors: Hyeong Cheol Ahn, Yang Han Son, Yun Oh Nam, Won Il Lee, Youn Hwan Jung, So Hyun Kim
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Publication number: 20200125205Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.Type: ApplicationFiled: December 20, 2019Publication date: April 23, 2020Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeong-Cheol AHN, Won-il LEE, Byughoon CHAE
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Patent number: 10540032Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.Type: GrantFiled: August 1, 2018Date of Patent: January 21, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeong-Cheol Ahn, Won-il Lee, Byughoon Chae
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Patent number: 10481726Abstract: A display device with reduced chance of pad unit corrosion is presented. The display device includes: a display panel configured to display an image, the display panel including a first pad unit; a touch screen panel (TSP) attached to an upper portion of the display panel, the touch screen panel including a second pad unit; a TSP flexible printed circuit board configured to include one end that is connected to the second pad unit of the touch screen panel; a window substrate configured to cover the touch screen panel; and a TSP adhesive layer interposed between the touch screen panel and the window substrate to adhere the window substrate to the touch screen panel, wherein the TSP adhesive layer is formed such that the TSP adhesive layer at least partially covers a TSP connection part the TSP flexible printed circuit board is connected to the second pad unit of the touch screen panel.Type: GrantFiled: October 29, 2018Date of Patent: November 19, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyeong Cheol Ahn
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Publication number: 20190182960Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.Type: ApplicationFiled: February 18, 2019Publication date: June 13, 2019Inventor: Hyeong-Cheol AHN
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Patent number: 10321576Abstract: A curved display device includes a display panel including a terminal part configured to receive a driving signal, a driving circuit film including a base film and a driving chip on the base film, and a spacer disposed between the base film and the display panel. The driving chip is configured to generate the driving signal, the driving circuit film is configured to apply the driving signal to the display panel, and the driving circuit film is coupled to the terminal part and bent toward a lower surface of the display panel. The display panel and a surface of the spacer are curved along a first direction.Type: GrantFiled: May 16, 2017Date of Patent: June 11, 2019Assignee: Samsung Display Co., Ltd.Inventor: Hyeong-Cheol Ahn
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Patent number: 10319791Abstract: A method of manufacturing a display device is provided. The display device includes a digitizer which is formed so that at least a part thereof is bent and a display panel which is installed along a shape of an outer surface of the digitizer.Type: GrantFiled: June 20, 2016Date of Patent: June 11, 2019Assignee: Samsung Display Co., Ltd.Inventor: Hyeong-Cheol Ahn
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Publication number: 20190064995Abstract: A display device with reduced chance of pad unit corrosion is presented. The display device includes: a display panel configured to display an image, the display panel including a first pad unit; a touch screen panel (TSP) attached to an upper portion of the display panel, the touch screen panel including a second pad unit; a TSP flexible printed circuit board configured to include one end that is connected to the second pad unit of the touch screen panel; a window substrate configured to cover the touch screen panel; and a TSP adhesive layer interposed between the touch screen panel and the window substrate to adhere the window substrate to the touch screen panel, wherein the TSP adhesive layer is formed such that the TSP adhesive layer at least partially covers a TSP connection part the TSP flexible printed circuit board is connected to the second pad unit of the touch screen panel.Type: ApplicationFiled: October 29, 2018Publication date: February 28, 2019Inventor: Hyeong Cheol AHN
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Patent number: 10212819Abstract: A flexible circuit board and display device including the same are disclosed. In one aspect, the flexible circuit board includes a base film including a bending area and a plurality of signal wires formed over the bending area of the base film. At least one through-hole is defined in the base film.Type: GrantFiled: February 23, 2016Date of Patent: February 19, 2019Assignee: Samsung Display Co., Ltd.Inventor: Hyeong-Cheol Ahn
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Publication number: 20180364846Abstract: A display device has a first area, and a second area that extends from the first area and has a bent shape, the display device including a display module including a display panel, which has a corner portion in the second area, an input-sensing member on the display panel and including a body portion, which overlaps with the display panel, and an extension, which extends from the body portion, is in the second area, and does not overlap with the display panel, and a first bonding layer between the display module and the input-sensing member, wherein an edge of the extension extends beyond an edge of the corner portion.Type: ApplicationFiled: May 21, 2018Publication date: December 20, 2018Inventors: Hyeong Cheol AHN, Yang Han SON, Yun Oh NAM, Won Il LEE, Youn Hwan JUNG, So Hyun KIM
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Publication number: 20180341358Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.Type: ApplicationFiled: August 1, 2018Publication date: November 29, 2018Inventors: Hyeong-Cheol AHN, Won-il LEE, Byughoon CHAE
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Patent number: 10114498Abstract: A display device with reduced chance of pad unit corrosion is presented. The display device includes: a display panel configured to display an image, the display panel including a first pad unit; a touch screen panel (TSP) attached to an upper portion of the display panel, the touch screen panel including a second pad unit; a TSP flexible printed circuit board configured to include one end that is connected to the second pad unit of the touch screen panel; a window substrate configured to cover the touch screen panel; and a TSP adhesive layer interposed between the touch screen panel and the window substrate to adhere the window substrate to the touch screen panel, wherein the TSP adhesive layer is formed such that the TSP adhesive layer at least partially covers a TSP connection part the TSP flexible printed circuit board is connected to the second pad unit of the touch screen panel.Type: GrantFiled: May 12, 2015Date of Patent: October 30, 2018Assignee: Samsung Display Co., Ltd.Inventor: Hyeong Cheol Ahn
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Patent number: 10048786Abstract: A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.Type: GrantFiled: October 28, 2015Date of Patent: August 14, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyeong-Cheol Ahn, Won-il Lee, Byughoon Chae
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Publication number: 20170249887Abstract: A flexible display device includes a flexible display panel, a driving circuit film, and a spacer. The flexible display panel includes a terminal part configured to receive a driving signal. The driving circuit film includes a base film and a driving chip on the base film. The driving chip being configured to generate the driving signal. The driving circuit film is coupled to the terminal part, is configured to apply the driving signal to the display panel, and bent toward a lower surface of the display panel. The spacer is on the driving circuit film and is configured to maintain a gap between the driving chip and the lower surface of the display panel.Type: ApplicationFiled: May 16, 2017Publication date: August 31, 2017Inventor: Hyeong-Cheol Ahn
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Patent number: 9730317Abstract: A display device includes a display panel including a curved surface bent along a first direction, a circuit board coupled to the display panel, the circuit board being bent along the first direction in correspondence to the curved surface of the display panel, and an integrated circuit (IC) chip on the circuit board, a short side of the IC chip extending along the first direction.Type: GrantFiled: March 19, 2014Date of Patent: August 8, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyeong-Cheol Ahn
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Patent number: 9674961Abstract: A flexible display device includes a flexible display panel, a driving circuit film, and a spacer. The flexible display panel includes a terminal part configured to receive a driving signal. The driving circuit film includes a base film and a driving chip on the base film. The driving chip being configured to generate the driving signal. The driving circuit film is coupled to the terminal part, is configured to apply the driving signal to the display panel, and bent toward a lower surface of the display panel. The spacer is on the driving circuit film and is configured to maintain a gap between the driving chip and the lower surface of the display panel.Type: GrantFiled: May 13, 2014Date of Patent: June 6, 2017Assignee: Samsung Display Co., Ltd.Inventor: Hyeong-Cheol Ahn