Patents by Inventor Yi-Joon Ahn
Yi-Joon 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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Patent number: 11954399Abstract: A display device includes: a display panel; a first sound generator disposed on one surface of the display panel, where the first sound generator vibrates the display panel to output a first sound; and a first vibration damping member disposed between the display panel and the first sound generator, where the first vibration damping member reduces a vibration displacement of the display panel.Type: GrantFiled: January 23, 2023Date of Patent: April 9, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Sung Kim, Byeong Hee Won, Young Ji Kim, Yi Joon Ahn
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DISPLAY PANEL, A METHOD FOR MANUFACTURING THE SAME, AND A DISPLAY DEVICE INCLUDING THE DISPLAY PANEL
Publication number: 20240107836Abstract: A display panel including: a substrate having a through hole, a conductive part disposed on an inner surface of the through hole and a resin part in the through hole and adjacent to the conductive part; a circuit layer disposed at a first side of the substrate; and a pad disposed at a second side of the substrate and electrically connected to the circuit layer by the conductive part, wherein a width of the through hole is larger near the first side or the second side of the substrate than at a center of the through hole.Type: ApplicationFiled: November 6, 2023Publication date: March 28, 2024Inventors: Yi Joon Ahn, Eun-Kyung Yeon, Jaebeen Lee -
Patent number: 11942508Abstract: A display device includes a pixel in a display area. The pixel includes a first electrode and a second electrode that are spaced apart from each other, a first insulating layer disposed on the first and second electrodes and including a trench corresponding to a region between the first and second electrodes, light emitting elements disposed in the trench, each of the light emitting elements including a first end portion and a second end portion, a first contact electrode disposed on the first end portion of each of the light emitting elements and the first electrode, and a second contact electrode disposed on the second end portion of each of the light emitting elements and the second electrode. The trench includes a first trench accommodating the light emitting elements, and second trenches disposed in the first trench.Type: GrantFiled: May 4, 2021Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Hoon Kim, Yi Joon Ahn, Eun Kyung Yeon, Jae Been Lee
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Publication number: 20240049503Abstract: A display device includes: a first substrate; thin-film transistors disposed on a first surface of the first substrate; light emitting elements connected to corresponding ones of the thin-film transistors, respectively, and disposed on the thin-film transistors; and a lens array including lenses disposed on a second surface of the first substrate opposite to the first surface of the first substrate, wherein the light emitting elements emit light toward the first substrate.Type: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Inventors: Yi Joon AHN, Beom Shik KIM, Jung Hun NOH
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Publication number: 20230412956Abstract: A display device includes a display panel including a display layer including light-emitting elements disposed on a substrate, and a sensor electrode layer disposed on the display layer. The sensor electrode layer includes a first sound electrode and a second sound electrode; a vibration layer electrically contacting the first sound electrode and the second sound electrode and being deformed in response to a first sound driving voltage applied to the first sound electrode and a second sound driving voltage applied to the second sound electrode; and sensor electrodes disposed on the vibration layer. The sensor electrodes sense an input.Type: ApplicationFiled: August 17, 2023Publication date: December 21, 2023Applicant: Samsung Display Co., LTD.Inventors: Young Seok SEO, Jung Hun NOH, Seung Lyong BOK, Yi Joon AHN, Sun Mi YU, Jin Oh KWAG
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Patent number: 11849611Abstract: A display panel including: a substrate having a through hole, a conductive part disposed on an inner surface of the through hole and a resin part in the through hole and adjacent to the conductive part; a circuit layer disposed at a first side of the substrate; and a pad disposed at a second side of the substrate and electrically connected to the circuit layer by the conductive part, wherein a width of the through hole is larger near the first side or the second side of the substrate than at a center of the through hole.Type: GrantFiled: May 18, 2021Date of Patent: December 19, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yi Joon Ahn, Eun-Kyung Yeon, Jaebeen Lee
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Patent number: 11825688Abstract: A display device includes: a first substrate; thin-film transistors disposed on a first surface of the first substrate; light emitting elements connected to corresponding ones of the thin-film transistors, respectively, and disposed on the thin-film transistors; and a lens array including lenses disposed on a second surface of the first substrate opposite to the first surface of the first substrate, wherein the light emitting elements emit light toward the first substrate.Type: GrantFiled: December 30, 2020Date of Patent: November 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yi Joon Ahn, Beom Shik Kim, Jung Hun Noh
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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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Publication number: 20230292452Abstract: A display device includes a substrate including a first area, a second area, and a bending area between the first area and the second area, a light-emitting element disposed on the first area, a driver disposed on the second area, and a support part that is disposed under the substrate. A first opening and a plurality of second openings are defined in the support part. The first opening overlaps the bending area and the plurality of second openings overlap the first area.Type: ApplicationFiled: November 22, 2022Publication date: September 14, 2023Inventors: EUN-KYUNG YEON, YI JOON AHN, JAEBEEN LEE, KANG YOUNG LEE, MOONWON CHANG
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Patent number: 11756967Abstract: A display device includes a first substrate having a display area and a non-display area adjacent to the display area, the first substrate including a substrate through-hole penetrating the first substrate in a thickness direction, an etching stopper disposed on a first surface of the first substrate, the etching stopper including a stopper through-hole that overlaps the substrate through-hole and penetrates the etching stopper in the thickness direction, a data line disposed on the etching stopper, a substrate connection electrode that fills the substrate through-hole and the stopper through-hole, the substrate connection electrode being disposed in the display area and electrically connected to the data line, and a first pad disposed on a second surface of the first substrate opposite to the first surface and overlapping the substrate connection electrode. The first pad is electrically connected to the substrate connection electrode.Type: GrantFiled: October 1, 2020Date of Patent: September 12, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eun Kyung Yeon, Jung Hun Noh, Yi Joon Ahn, Jae Been Lee
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Patent number: 11736843Abstract: A display device includes a display panel including a display layer including light-emitting elements disposed on a substrate, and a sensor electrode layer disposed on the display layer. The sensor electrode layer includes a first sound electrode and a second sound electrode; a vibration layer electrically contacting the first sound electrode and the second sound electrode and being deformed in response to a first sound driving voltage applied to the first sound electrode and a second sound driving voltage applied to the second sound electrode; and sensor electrodes disposed on the vibration layer. The sensor electrodes sense an input.Type: GrantFiled: June 30, 2022Date of Patent: August 22, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young Seok Seo, Jung Hun Noh, Seung Lyong Bok, Yi Joon Ahn, Sun Mi Yu, Jin Oh Kwag
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Publication number: 20230260431Abstract: A display device includes a flexible substrate including a folding area, a non-folding area adjacent to the folding area along a first direction, and a first surface in both the folding area and the non-folding area, a light-emitting element layer on the flexible substrate, and a support which faces the light-emitting layer with the flexible substrate therebetween, forms an interface with the first surface of the flexible substrate and is bendable together with the flexible substrate. The support includes a first support corresponding to the folding area, a second support corresponding to the non-folding area, and a through hole extended through the support. The through hole is extended through the first support, and a first portion of the first surface of the flexible substrate is exposed to outside the support by the through hole in the first support.Type: ApplicationFiled: April 10, 2023Publication date: August 17, 2023Inventors: Yi Joon AHN, Jung Hun NOH, Eun Kyung YEON, Jae Been LEE
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Publication number: 20230232154Abstract: A display device includes a display panel which displays an image, a cover window which is disposed on a first surface of the display panel, and a first sound generator which is disposed on a second surface opposite the first surface of the display panel and outputs sound by vibrating the display panel. The cover window includes a first lattice pattern area including lattice patterns surrounding the first sound generator in a plan view.Type: ApplicationFiled: March 24, 2023Publication date: July 20, 2023Inventors: Yi Joon AHN, Eun Kyung YEON, Jae Been LEE
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Publication number: 20230205480Abstract: A display device including a display panel including a substrate and a pixel array layer disposed on a first surface of the substrate, a sound generation device disposed on a second surface of the substrate opposite to the first surface of the substrate, and a circuit board disposed on the second surface of the substrate, in which the circuit board includes a first hole overlapping the sound generation device.Type: ApplicationFiled: March 1, 2023Publication date: June 29, 2023Inventors: Byeong Hee WON, Keun Kyu SONG, Yi Joon AHN, Sung Chan JO
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Publication number: 20230187582Abstract: A display device comprises a base substrate which is a base substrate having a display area and a non-display area positioned around the display area defined therein, and includes a substrate connection electrode penetrating the base substrate in the thickness direction, an etching stopper which is disposed on a first surface of the base substrate and that covers the substrate connection electrode, and a first pad disposed on a second surface opposite to the first surface of the base substrate and disposed overlapping a substrate through hole, wherein the substrate connection electrode is disposed in the display area, the substrate connection electrode is electrically connected to the etching stopper and the first pad, the etching stopper is electrically connected to the first pad through the substrate connection electrode, and the etching stopper includes a conductive material.Type: ApplicationFiled: June 25, 2020Publication date: June 15, 2023Applicant: Samsung Display Co., LTD.Inventors: Jung Hun NOH, Yi Joon AHN
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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: 11675224Abstract: A display device that includes a display panel having a first substrate, a second substrate, and a light-emitting element layer. The light emitting layer is disposed between the first and second substrates and is configured to emit light in a direction toward the second substrate. A first sound generator is disposed on a first surface of the first substrate and is configured to vibrate the display panel to output a first sound. A first heat dissipation film is disposed between the first substrate and the first sound generator.Type: GrantFiled: September 13, 2021Date of Patent: June 13, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byeong Hee Won, Yi Joon Ahn, Jung Hun Noh, Jae Woo Im
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Patent number: 11650640Abstract: A display device includes a display panel, and a heat-dissipating member disposed on the display panel and including a conductive metal. The display device further includes a sound generator disposed on the heat-dissipating member and generating sound by vibrating the display panel and the heat-dissipating member. The display device additionally includes a display circuit board disposed on the heat-dissipating member. The heat-dissipating member includes openings and a first line formed in the openings, and the first line electrically connects the sound generator with the display circuit board.Type: GrantFiled: December 26, 2019Date of Patent: May 16, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Byeong Hee Won, Jung Hun Noh, Yi Joon Ahn
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Patent number: 11636785Abstract: A display device includes a flexible substrate including a folding area, a non-folding area adjacent to the folding area along a first direction, and a first surface in both the folding area and the non-folding area, a light-emitting element layer on the flexible substrate, and a support which faces the light-emitting layer with the flexible substrate therebetween, forms an interface with the first surface of the flexible substrate and is bendable together with the flexible substrate. The support includes a first support corresponding to the folding area, a second support corresponding to the non-folding area, and a through hole extended through the support. The through hole is extended through the first support, and a first portion of the first surface of the flexible substrate is exposed to outside the support by the through hole in the first support.Type: GrantFiled: December 18, 2020Date of Patent: April 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yi Joon Ahn, Jung Hun Noh, Eun Kyung Yeon, Jae Been Lee
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Patent number: 11638076Abstract: A display device including: a display panel configured to display an image on a first surface thereof; a first sound generating device configured to provide a first sound; and a second sound generating device configured to provide a second sound, wherein the first sound generating device is attached to a second surface of the display panel, the second surface being opposite to the first surface, and wherein the first sound generating device is a vibration generating device configured to vibrate the display panel in accordance with a first sound signal to generate the first sound.Type: GrantFiled: May 27, 2021Date of Patent: April 25, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jung Hun Noh, Yi Joon Ahn, Rang Kyun Mok