Patents by Inventor Ho-Ryun Chung
Ho-Ryun Chung 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: 20250143152Abstract: A display device includes a pixel electrode disposed on a substrate, a bank layer covering edges of the pixel electrode and defining light emitting areas and a non-light emitting area, a light emitting layer on the pixel electrode and the bank layer, a common electrode on the light emitting layer, a capping layer on the common electrode, a counter substrate facing the substrate, and an optical member on the counter substrate. The capping layer comprises a first capping layer disposed on the common electrode, and a second capping layer disposed on the first capping layer and overlapping the light emitting areas.Type: ApplicationFiled: June 18, 2024Publication date: May 1, 2025Inventors: Ho Ryun CHUNG, Kook Chol PARK, Sin Ae PARK, Se Joong SHIN, Se Hyung CHO
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Patent number: 12156462Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.Type: GrantFiled: May 24, 2023Date of Patent: November 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung Il Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae cheol Choi
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Publication number: 20240244940Abstract: A display device includes a display panel, a sensor layer disposed on the display panel, an anti-reflection layer disposed on the sensor layer, where the anti-reflection layer includes a colorant, and a protection member disposed on the anti-reflection layer, where the display panel includes a base substrate, a light emitting element disposed on the base substrate, and an encapsulation layer disposed on the light emitting element, where the protection member includes a base layer, and a protection layer disposed on at least one selected from an upper surface and a lower surface of the base layer, where the protection layer includes a hard coating agent and an ultraviolet light absorber.Type: ApplicationFiled: October 31, 2023Publication date: July 18, 2024Inventors: MYUNGHWAN KIM, SANGYEOL KIM, SINAE PARK, SEJOONG SHIN, HO RYUN CHUNG
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Publication number: 20230301165Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.Type: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Inventors: Chang Han LEE, Myung Hwan KIM, Sang Yeol KIM, Woo Hyun KIM, Hyo Jin KIM, Kyoung ll MIN, Tae Hyun HUNG, Se Joong SHIN, Ho Ryun CHUNG, Jae cheol CHOI
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Patent number: 11690280Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.Type: GrantFiled: August 2, 2021Date of Patent: June 27, 2023Assignee: Samsung Display Co., Ltd.Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung Il Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae cheol Choi
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Patent number: 11598983Abstract: A display device including: a display panel including a first area, a second area spaced apart from the first area, and a bent third area between the first and second areas; a first support film coupled to a bottom surface of the display panel and overlapping the first area; and a second support film coupled to the bottom surface of the display panel, overlapping the second area, and spaced apart from the first support film by a gap, the gap overlapping the third area, a top surface of the first support film facing the display panel and an inner side of the first support film form a first angle, a top surface of the second support film facing the display panel and an inner side of the second support film form a second angle, which is greater than the first angle, and the first support film includes a protruding pattern.Type: GrantFiled: July 9, 2021Date of Patent: March 7, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung II Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae Cheol Choi
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Publication number: 20210367173Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by the top surface of the support film and inner sides of the support film defining the first groove are acute angles.Type: ApplicationFiled: August 2, 2021Publication date: November 25, 2021Inventors: Chang Han LEE, Myung Hwan KIM, Sang Yeol KIM, Woo Hyun KIM, Hyo Jin KIM, Kyoung II MIN, Tae Hyun SUNG, Se Jeong SHIN, Ho Ryun CHUNG, Jae cheol CHOI
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Publication number: 20210349341Abstract: A display device including: a display panel including a first area, a second area spaced apart from the first area, and a bent third area between the first and second areas; a first support film coupled to a bottom surface of the display panel and overlapping the first area; and a second support film coupled to the bottom surface of the display panel, overlapping the second area, and spaced apart from the first support film by a gap, the gap overlapping the third area, a top surface of the first support film facing the display panel and an inner side of the first support film form a first angle, a top surface of the second support film facing the display panel and an inner side of the second support film form a second angle, which is greater than the first angle, and the first support film includes a protruding pattern.Type: ApplicationFiled: July 9, 2021Publication date: November 11, 2021Inventors: Chang Han LEE, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung II Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae Cheol Choi
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Patent number: 11143891Abstract: A display device including: a display panel including a first area, a second area spaced apart from the first area, and a bent third area between the first and second areas; a first support film coupled to a bottom surface of the display panel and overlapping the first area; and a second support film coupled to the bottom surface of the display panel, overlapping the second area, and spaced apart from the first support film by a gap, the gap overlapping the third area, a top surface of the first support film facing the display panel and an inner side of the first support film form a first angle, a top surface of the second support film facing the display panel and an inner side of the second support film form a second angle, which is greater than the first angle, and the first support film includes a protruding pattern.Type: GrantFiled: April 22, 2019Date of Patent: October 12, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung Il Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae Cheol Choi
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Patent number: 11081660Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by a top surface of the support film and inner sides of the support film defining the first groove are acute angles.Type: GrantFiled: March 26, 2019Date of Patent: August 3, 2021Assignee: Samsung Display Co., Ltd.Inventors: Chang Han Lee, Myung Hwan Kim, Sang Yeol Kim, Woo Hyun Kim, Hyo Jin Kim, Kyoung Il Min, Tae Hyun Sung, Se Joong Shin, Ho Ryun Chung, Jae cheol Choi
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Patent number: 11081670Abstract: A display device includes: a substrate; a light emitting element layer including a first light emitting element in a first display area of the substrate, and a second light emitting element in a second display area of the substrate; and a thin-film encapsulation layer formed on the light emitting element layer. The first light emitting elements may include a first electrode, an organic light emitting layer, and a second electrode. The second light emitting elements may include a first electrode, an inorganic light emitting layer, and a second electrode.Type: GrantFiled: January 21, 2020Date of Patent: August 3, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ho Ryun Chung, Myung Hwan Kim, Sang Yeol Kim, Se Joong Shin, Chang Han Lee, Deok Hyeon Jang
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Patent number: 11069762Abstract: A display device according to an exemplary embodiment includes a display panel including a display area and a bending region. The display panel in the bending region includes a plurality of connection wires, a pattern including a plurality of electrodes, and a protection layer positioned between the plurality of connection wires and the pattern.Type: GrantFiled: November 20, 2018Date of Patent: July 20, 2021Inventors: Ho Ryun Chung, Myung Hwan Kim, Jung Sik Nam, Se Joong Shin, Sang Yeol Kim, Tae Kyoung Hwang
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Publication number: 20210036263Abstract: A display includes: a display member at which a plurality of pixels are defined, the display member including a base substrate, a light-emitting element on the base substrate at each pixel, and a thin film encapsulation layer on the light-emitting element; a viewing angle controlling member on the display member, the viewing angle controlling member including a plurality of viewing angle controlling patterns; and a cover window on the plurality of viewing angle controlling patterns. The plurality of viewing angle controlling patterns are directly on the thin film encapsulation layer.Type: ApplicationFiled: April 3, 2020Publication date: February 4, 2021Inventors: Myung Hwan KIM, Sang Yeol KIM, Chang Han LEE, Ho Ryun CHUNG
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Publication number: 20200287162Abstract: A display device includes: a substrate; a light emitting element layer including a first light emitting element in a first display area of the substrate, and a second light emitting element in a second display area of the substrate; and a thin-film encapsulation layer formed on the light emitting element layer. The first light emitting elements may include a first electrode, an organic light emitting layer, and a second electrode. The second light emitting elements may include a first electrode, an inorganic light emitting layer, and a second electrode.Type: ApplicationFiled: January 21, 2020Publication date: September 10, 2020Inventors: Ho Ryun CHUNG, Myung Hwan KIM, Sang Yeol KIM, Se Joong SHIN, Chang Han LEE, Deok Hyeon JANG
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Publication number: 20200004077Abstract: A display device including: a display panel including a first area, a second area spaced apart from the first area, and a bent third area between the first and second areas; a first support film coupled to a bottom surface of the display panel and overlapping the first area; and a second support film coupled to the bottom surface of the display panel, overlapping the second area, and spaced apart from the first support film by a gap, the gap overlapping the third area, a top surface of the first support film facing the display panel and an inner side of the first support film form a first angle, a top surface of the second support film facing the display panel and an inner side of the second support film form a second angle, which is greater than the first angle, and the first support film includes a protruding pattern.Type: ApplicationFiled: April 22, 2019Publication date: January 2, 2020Inventors: Chang Han LEE, Myung Hwan KIM, Sang Yeol KIM, Woo Hyun KIM, Hyo Jin KIM, Kyoung MIN, II, Tae Hyun SUNG, Se Joong SHIN, Ho Ryun CHUNG, Jae Cheol CHOI
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Publication number: 20190341566Abstract: A display device includes a display panel, a support film, and a polymer layer. The display panel includes a display area comprising a first area that is bendable, and a non-display area adjacent to the display area. The support film is coupled to a bottom surface of the display panel. The support film includes a first groove overlapping with the first area. The polymer layer is disposed in the first groove. The polymer layer includes a material with higher flexibility than the support film. Angles formed by a top surface of the support film and inner sides of the support film defining the first groove are acute angles.Type: ApplicationFiled: March 26, 2019Publication date: November 7, 2019Inventors: Chang Han LEE, Myung Hwan KIM, Sang Yeol KIM, Woo Hyun KIM, Hyo Jin KIM, Kyoung Il MIN, Tae Hyun SUNG, Se Joong SHIN, Ho Ryun CHUNG, Jae cheol CHOI
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Publication number: 20190280075Abstract: A display device according to an exemplary embodiment includes a display panel including a display area and a bending region. The display panel in the bending region includes a plurality of connection wires, a pattern including a plurality of electrodes, and a protection layer positioned between the plurality of connection wires and the pattern.Type: ApplicationFiled: November 20, 2018Publication date: September 12, 2019Inventors: Ho Ryun CHUNG, Myung Hwan KIM, Jung Sik NAM, Se Joong SHIN, Sang Yeol KIM, Tae Kyoung HWANG
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Patent number: 9437141Abstract: A scan driver includes: a plurality of scan driving blocks including an output terminal outputting a scan signal to a scan line; a first transistor transmitting a voltage of a power source to the output terminal; a second transistor transmitting a clock signal to the output terminal; and a third transistor including a gate electrode connected to a node formed with a gate-on voltage turning on the second transistor, one terminal connected to the power source, and the other terminal connected to the gate electrode of the first transistor. The scan driver may reduce the influence of a leakage current even though application of the scan signal is increased, and a scan signal of a uniform voltage level may be output.Type: GrantFiled: July 27, 2011Date of Patent: September 6, 2016Assignee: Samsung Display Co., Ltd.Inventors: Wang-Jo Lee, Hyung-Soo Kim, In-Ho Choi, Choon-Yul Oh, Ho-Ryun Chung, Joo-Hyeon Jeong, Myoung-Hwan Yoo, Jin-Woo Kim, Naoaki Komiya
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Patent number: 9257069Abstract: A controller for a display panel may include a first supply circuit to output first and second driving voltages to a sub-pixel of a first color; and a second supply circuit to output third and fourth driving voltages to a sub-pixel of a second color. The first driving voltage may be greater than the second driving voltage, and the third driving voltage may be greater than the fourth driving voltage. Also, at least three of the first, second, third, and fourth driving voltages may be different from one another.Type: GrantFiled: December 17, 2013Date of Patent: February 9, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Leonid Kaplan, Heung-Yeol Na, Ho-Ryun Chung, Wang-Jo Lee, Jang-Doo Lee
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Patent number: 9076746Abstract: A display device includes a power line configured to transmit an electric current. The display device further includes a plurality of pixel electrode units associated with a single pixel of the display device and configured to share the electric current. The display device further includes a common electrode overlapping the plurality of pixel electrode units. The display device further includes a plurality of light-emitting units associated with the single pixel of the display device and disposed between the common electrode and the plurality of pixel electrode units, wherein each light-emitting unit of the plurality of light-emitting units overlaps a pixel electrode unit of the plurality of pixel electrode units.Type: GrantFiled: August 8, 2013Date of Patent: July 7, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ho-Ryun Chung, Jang-Doo Lee