Patents by Inventor Ga-Na KIM
Ga-Na KIM 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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Patent number: 11762469Abstract: A display device and a haptic feedback method having the same provide a display panel which displays an image, a cover window on a first surface of the display panel and including a tactile pattern, and an actuator which is disposed on a second surface opposite the first surface of the display panel and overlaps the tactile pattern in a width direction of the display panel. The actuator outputs a sensing voltage according to applied pressure and generates vibrations according to applied driving voltages.Type: GrantFiled: August 5, 2020Date of Patent: September 19, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jung Hun Noh, Yi Joon Ahn, Ga Na Kim, So Young Yeo, Eun Kyung Yeon, Jae Been Lee
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Patent number: 11675438Abstract: A display device includes a display panel, a bracket disposed on a first surface of the display panel, and a first vibrating device disposed between the first surface of the display panel and a first surface of the bracket which faces the first surface of the display panel. The first vibrating device is configured to output a first sound and provide a haptic feedback by vibrating the display panel and the bracket.Type: GrantFiled: December 5, 2019Date of Patent: June 13, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun Kyung Yeon, Ga Na Kim, Jung Hun Noh, Yi Joon Ahn
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Patent number: 11502271Abstract: An electronic device including a window having a front surface and a rear surface, a display panel disposed on the rear surface of the window, the display panel having a front surface and a rear surface, and a sensory button set disposed on the rear surface of the display panel. The sensory button set includes a sensor unit, and a pusher disposed between the sensor unit and the display panel configured to transfer an external force applied to a predetermined area of the window to the sensor unit.Type: GrantFiled: July 21, 2020Date of Patent: November 15, 2022Assignee: Samsung Display Co., Ltd.Inventors: Ga Na Kim, Jung Hun Noh, Jae Been Lee, Yi Joon Ahn
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Patent number: 11428807Abstract: A display device includes a display panel including a first substrate and a pixel array layer disposed on a first surface of the first substrate, a vibration generator including a sound output unit which vibrates the display panel to output a sound and a first ultrasonic wave output unit which vibrates the display panel to output ultrasonic waves, and a first ultrasonic wave absorbing film overlapping the first ultrasonic wave output unit in a thickness direction of the display panel, where the first ultrasonic wave absorbing film absorbs the ultrasonic waves.Type: GrantFiled: November 7, 2019Date of Patent: August 30, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun Kyung Yeon, Yi Joon Ahn, Ga Na Kim, Jung Hun Noh
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Patent number: 11432059Abstract: A display device includes: a display panel; a first sound generator on a first surface of the display panel, the first sound generator being configured to vibrate the display panel to output a first sound; and a second sound generator configured to output a second sound. A third sound is a sum of the first sound and the second sound, and a sound pressure level of at least one of harmonic tones of the third sound is less than a sound pressure level of at least one of harmonic tones of the first sound.Type: GrantFiled: March 5, 2020Date of Patent: August 30, 2022Assignee: Samsung Display Co., Ltd.Inventors: Jae Been Lee, Ga Na Kim, Yi Joon Ahn, Jung Hun Noh
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Patent number: 11249716Abstract: A display device includes a display panel which includes a first substrate, a second substrate, and a light emitting element layer disposed between the first substrate and the second substrate and outputting light to the second substrate, a first sound generator which is disposed on a surface of the first substrate and outputs sound by vibrating the display panel, and a first buffer member which is disposed on the surface of the first substrate, where a height of the first buffer member is smaller than that of the first sound generator.Type: GrantFiled: November 8, 2019Date of Patent: February 15, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yi Joon Ahn, Ga Na Kim, Byeong Hee Won, Jae Been Lee, Jae Woo Im
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Patent number: 11243738Abstract: A display device includes: a display panel; a first sound generating device disposed below the display panel, where the first sound generating device generates a sound by causing the display panel to vibrate; and a second sound generating device disposed below the display panel, where the second generating sound generating device generates a sound by causing the display panel to vibrate. The first sound generating device includes: a first vibrator which vibrates in a first direction, which is a thickness direction of the display panel; and a second vibrator which vibrates in the first direction, and the second sound generating device includes: a third vibrator which vibrates in the first direction; and a fourth vibrator which vibrates in a second direction, which is perpendicular to the first direction.Type: GrantFiled: November 25, 2019Date of Patent: February 8, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun Kyung Yeon, Yi Joon Ahn, Ga Na Kim, Jung Hun Noh, Jae Been Lee
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Patent number: 11076234Abstract: A display device includes a display panel; a panel bottom member disposed on the display panel; a middle frame disposed on the panel bottom member; an electronic permanent magnet attached to the panel bottom member and that switches between an activation state to generate a magnetic force and an inactivation state; and a vibrator attached to the middle frame and that vibrates, wherein the electronic permanent magnet and the vibrator overlap each other in a thickness direction of the display device.Type: GrantFiled: December 11, 2019Date of Patent: July 27, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ga Na Kim, Yi Joon Ahn, Jung Hun Noh, Eun Kyung Yeon
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Publication number: 20210181847Abstract: A display device and a haptic feedback method having the same provide a display panel which displays an image, a cover window on a first surface of the display panel and including a tactile pattern, and an actuator which is disposed on a second surface opposite the first surface of the display panel and overlaps the tactile pattern in a width direction of the display panel. The actuator outputs a sensing voltage according to applied pressure and generates vibrations according to applied driving voltages.Type: ApplicationFiled: August 5, 2020Publication date: June 17, 2021Inventors: Jung Hun NOH, Yi Joon AHN, Ga Na KIM, So Young YEO, Eun Kyung YEON, Jae Been LEE
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Publication number: 20210151706Abstract: An electronic device including a window having a front surface and a rear surface, a display panel disposed on the rear surface of the window, the display panel having a front surface and a rear surface, and a sensory button set disposed on the rear surface of the display panel. The sensory button set includes a sensor unit, and a pusher disposed between the sensor unit and the display panel configured to transfer an external force applied to a predetermined area of the window to the sensor unit.Type: ApplicationFiled: July 21, 2020Publication date: May 20, 2021Inventors: Ga Na KIM, Jung Hun NOH, Jae Been LEE, Yi Joon AHN
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Publication number: 20200404403Abstract: A display device includes: a display panel; a first sound generator on a first surface of the display panel, the first sound generator being configured to vibrate the display panel to output a first sound; and a second sound generator configured to output a second sound. A third sound is a sum of the first sound and the second sound, and a sound pressure level of at least one of harmonic tones of the third sound is less than a sound pressure level of at least one of harmonic tones of the first sound.Type: ApplicationFiled: March 5, 2020Publication date: December 24, 2020Inventors: Jae Been LEE, Ga Na KIM, Yi Joon AHN, Jung Hun NOH
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Patent number: 10871690Abstract: A display device includes: pixels; gate lines for connecting to the pixels; a first gate driving block for connecting to first and second gate lines that are adjacent to each other; and a second gate driving block for connecting to the first gate line and the second gate line, wherein the first gate driving block includes: a first gate signal generating portion; a first transistor connected between a first output terminal of the first gate signal generating portion and the first gate line; and a second transistor connected between the first output terminal and the second gate line, wherein the second gate driving block includes: a second gate signal generating portion; a third transistor connected between a second output terminal of the second gate signal generating portion and the first gate line; and a fourth transistor connected between the second output terminal and the second gate line.Type: GrantFiled: July 2, 2019Date of Patent: December 22, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Whee-Won Lee, Ga-Na Kim
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Patent number: 10819333Abstract: A timing controller resetting circuit including: a resistor connected to an output node from which a reset signal is output and a first voltage source which supplies a first voltage; a capacitor connected to the output node and a second voltage source which supplies a second voltage that is lower than the first voltage; a reference voltage source configured to generate a reference voltage that is lower than the first voltage and higher than the second voltage; a comparator including a first input terminal which receives the first voltage, a second input terminal which receives the reference voltage, and an output terminal which outputs a comparison result signal generated by comparing the first voltage with the reference voltage; and a transistor including a first terminal which is connected to the output node, a second terminal which receives the second voltage, and a gate terminal which receives the comparison result signal.Type: GrantFiled: January 29, 2019Date of Patent: October 27, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ga-Na Kim, Po-Yun Park, Hong-Kyu Kim, Myeongsu Kim, Dongwon Park
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Publication number: 20200314547Abstract: A display device includes a display panel; a panel bottom member disposed on the display panel; a middle frame disposed on the panel bottom member; an electronic permanent magnet attached to the panel bottom member and that switches between an activation state to generate a magnetic force and an inactivation state; and a vibrator attached to the middle frame and that vibrates, wherein the electronic permanent magnet and the vibrator overlap each other in a thickness direction of the display device.Type: ApplicationFiled: December 11, 2019Publication date: October 1, 2020Inventors: Ga Na Kim, Yi Joon Ahn, Jung Hun Noh, Eun Kyung Yeon
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Publication number: 20200278750Abstract: A display device includes a display panel, a bracket disposed on a first surface of the display panel, and a first vibrating device disposed between the first surface of the display panel and a first surface of the bracket which faces the first surface of the display panel. The first vibrating device is configured to output a first sound and provide a haptic feedback by vibrating the display panel and the bracket.Type: ApplicationFiled: December 5, 2019Publication date: September 3, 2020Inventors: Eun Kyung Yeon, Ga Na Kim, Jung Hun Noh, Yi Joon Ahn
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Publication number: 20200233629Abstract: A display device includes: a display panel; a first sound generating device disposed below the display panel, where the first sound generating device generates a sound by causing the display panel to vibrate; and a second sound generating device disposed below the display panel, where the second generating sound generating device generates a sound by causing the display panel to vibrate. The first sound generating device includes: a first vibrator which vibrates in a first direction, which is a thickness direction of the display panel; and a second vibrator which vibrates in the first direction, and the second sound generating device includes: a third vibrator which vibrates in the first direction; and a fourth vibrator which vibrates in a second direction, which is perpendicular to the first direction.Type: ApplicationFiled: November 25, 2019Publication date: July 23, 2020Inventors: Eun Kyung YEON, Yi Joon AHN, Ga Na KIM, Jung Hun NOH, Jae Been LEE
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Publication number: 20200209387Abstract: A display device includes a display panel including a first substrate and a pixel array layer disposed on a first surface of the first substrate, a vibration generator including a sound output unit which vibrates the display panel to output a sound and a first ultrasonic wave output unit which vibrates the display panel to output ultrasonic waves, and a first ultrasonic wave absorbing film overlapping the first ultrasonic wave output unit in a thickness direction of the display panel, where the first ultrasonic wave absorbing film absorbs the ultrasonic waves.Type: ApplicationFiled: November 7, 2019Publication date: July 2, 2020Inventors: Eun Kyung YEON, Yi Joon AHN, Ga Na KIM, Jung Hun NOH
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Publication number: 20200183637Abstract: A display device includes a display panel which includes a first substrate, a second substrate, and a light emitting element layer disposed between the first substrate and the second substrate and outputting light to the second substrate, a first sound generator which is disposed on a surface of the first substrate and outputs sound by vibrating the display panel, and a first buffer member which is disposed on the surface of the first substrate, where a height of the first buffer member is smaller than that of the first sound generator.Type: ApplicationFiled: November 8, 2019Publication date: June 11, 2020Inventors: Yi Joon AHN, Ga Na KIM, Byeong Hee WON, Jae Been LEE, Jae Woo IM
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Patent number: 10636348Abstract: A display device includes: a timing controller which receives image data including high logics and low logics from the outside; a data driver which generates a data signal, based on the image data; and pixels which emit light with a luminance corresponding to the data signal, where the data driver determines an error of the image data, based on a checksum included in the image data.Type: GrantFiled: October 24, 2017Date of Patent: April 28, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ga Na Kim, Whee Won Lee, Myeong Su Kim
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Patent number: 10522100Abstract: A method of driving a display panel includes compensating first pixel data corresponding to a first pixel of a plurality of pixels in the display panel based on at least one of a first decision, a second decision, or a third decision and generating a first data voltage corresponding to the compensated first pixel data. The first data voltage is applied to the first pixel through a data line. The first decision includes determining, based on a position of the first pixel, whether compensation for the first pixel data is required. The second decision includes determining, based on previous subpixel data and present subpixel data for the first pixel, whether the compensation for the first pixel data is required. The third decision includes determining whether the first pixel data complies with a compensation avoidance condition.Type: GrantFiled: June 30, 2015Date of Patent: December 31, 2019Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae-Won Jeong, Kwan-Young Oh, Ga-Na Kim, Gyeong-Ub Moon, Po-Yun Park, Ji-Woong Jeong, Kyung-Uk Choi, Sang-Ho Park