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: 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
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Patent number: 9013465Abstract: An organic light emitting diode (OLED) display is disclosed. According to one aspect, the OLED display includes pixels including an OLED and a driving transistor for supplying a driving current according to an image data signal to the OLED. The display includes a sensor configured to sense a first current flowing to the driving transistor corresponding to a source data input signal. An operation voltage of a saturation region of the driving transistor is measured based on performance information of the OLED by using the same current amount as the first current. A voltage controller is configured to determine a minimum electroluminescence voltage for driving the pixels based on information received from the sensor. A power supply is configured to control a power source voltage applied to the pixels according to the determined electroluminescence voltage, and supply the determined power source voltage.Type: GrantFiled: September 20, 2011Date of Patent: April 21, 2015Assignee: Samsung Display Co., Ltd.Inventor: Ho-Ryun Chung
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Patent number: 8952950Abstract: An apparatus for generating power voltages of a display apparatus including a plurality of pixel circuits comprises a storage capacitor power outputting unit configured to generate a storage capacitor power voltage using a first power voltage and apply the storage capacitor power voltage to storage capacitors included in the plurality of pixel circuits, and a gamma filter power outputting unit configured to generate a gamma filter power voltage using the first power voltage and apply the gamma filter power voltage to a gamma voltage generating unit. The first power voltage is generated from a power voltage supplied by a voltage source. The storage capacitor power voltage and the gamma filter power voltage are generated so as to have the same phase.Type: GrantFiled: March 15, 2010Date of Patent: February 10, 2015Assignee: Samsung Display Co., Ltd.Inventor: Ho-Ryun Chung
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Publication number: 20150015467Abstract: A display device includes: a unit pixel including subpixels electrically connected to first power voltages and a second power voltage, where the first power voltages include a first first power voltage and a second first power voltage, and where the subpixels include: a first subpixel electrically connected to the first first power voltage and the second power voltage; a second subpixel electrically connected to the second first power voltage and the second power voltage; and a third subpixel electrically connected to the second first power voltage and the second power voltage, where the first power voltage is a voltage having substantially a same level as a voltage, with which the first subpixel emits light at maximum luminance, and the second power voltage is a voltage having substantially a same level as a voltage, with which the second subpixel or the third subpixel emits light at maximum luminance.Type: ApplicationFiled: December 3, 2013Publication date: January 15, 2015Applicant: Samsung Display Co., Ltd.Inventors: Leonid KAPLAN, Heung-Yeol NA, Ho-Ryun CHUNG, Wang-Jo LEE, Jang-Doo LEE