Patents by Inventor Eun-Kyung YEON
Eun-Kyung YEON 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).
-
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
-
Patent number: 11897086Abstract: A method of manufacturing a window for a display apparatus according to the present invention includes: providing, on a stage, a substrate including a foldable part bending around a folding axis extending in a first direction, and forming a groove on the foldable part. The forming the groove includes: grinding the foldable part by using a first machining wheel; grinding the foldable part by using a second machining wheel; and machining the foldable part by using a polishing wheel. The groove has at least one radius of curvature. The first machining wheel includes first abrasive grains, and the second machining wheel includes second abrasive grains less in size than the first abrasive grains.Type: GrantFiled: July 16, 2020Date of Patent: February 13, 2024Assignee: Samsung Display Co., Ltd.Inventors: Cheolmin Park, Hoikwan Lee, Seung Kim, Jaejoong Kwon, Eun-kyung Yeon, Minsoo Kim, Seungho Kim, Jong-hoon Yeum
-
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
-
Publication number: 20230403907Abstract: A method for manufacturing a display device includes: preparing a display panel including a first region, a bending region, and a second region, which are arranged in a first direction; disposing a release film overlapping the bending region on the display panel; applying a resin onto the first region to form a resin coating layer; pressing the resin coating layer, using a stamp coated with a release material; and curing the resin coating layer to form a preliminary resin layer.Type: ApplicationFiled: April 7, 2023Publication date: December 14, 2023Inventors: EUN-KYUNG YEON, HYUNKYUNG YUN, SANGDUK LEE, HOIKWAN LEE, HAYOUNG CHOI
-
Publication number: 20230303436Abstract: A method of manufacturing a window member includes performing a first reinforcement operation including performing a first ion-exchange treatment on an initial window member. The first ion-exchange treatment includes applying ion salts at a temperature equal to or greater than a first temperature of about 500° C. A stress relief operation includes performing a heat treatment and/or a salt treatment on the initial window member to which the first reinforcement operation is performed. A second reinforcement operation includes performing a second ion-exchange treatment on the initial window member to which the stress relief operation is performed.Type: ApplicationFiled: May 30, 2023Publication date: September 28, 2023Inventors: Hoikwan LEE, Cheolmin PARK, Eun-Kyung YEON, Jeongseok LEE, Seungho KIM
-
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
-
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
-
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
-
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
-
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
-
Patent number: 11691911Abstract: A method of manufacturing a window member includes performing a first reinforcement operation including performing a first ion-exchange treatment on an initial window member. The first ion-exchange treatment includes applying ion salts at a temperature equal to or greater than a first temperature of about 500° C. A stress relief operation includes performing a heat treatment and/or a salt treatment on the initial window member to which the first reinforcement operation is performed. A second reinforcement operation includes performing a second ion-exchange treatment on the initial window member to which the stress relief operation is performed.Type: GrantFiled: March 20, 2018Date of Patent: July 4, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hoikwan Lee, Cheolmin Park, Eun-Kyung Yeon, Jeongseok Lee, Seungho Kim
-
Publication number: 20230202916Abstract: A glass substrate has a first surface, a second surface opposite to the first surface, and a thickness from the first surface to the second surface. The glass substrate includes a first region, a second region, and a third region. The first region extends from the first surface a first depth into the glass substrate and has a first compressive stress. The second region extends from the second surface a second depth into the glass substrate and has a second compressive stress different from the first compressive stress. The third region is between the first region and the second region. In the glass substrate, the first compressive stress has a maximum value at a location between the first surface and the first depth, and the second compressive stress has a maximum value at a location between the second surface and the second depth.Type: ApplicationFiled: February 28, 2023Publication date: June 29, 2023Inventors: Hoi Kwan Lee, Myung Hwan Kim, Seung Kim, Seung Ho Kim, Eun Kyung Yeon, Jeong Seok Lee, Ik Hyung Park, Jong Hoon Yeum
-
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
-
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
-
Patent number: 11617038Abstract: 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: GrantFiled: November 22, 2021Date of Patent: March 28, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yi Joon Ahn, Eun Kyung Yeon, Jae Been Lee
-
Patent number: 11521415Abstract: A display device includes: a display panel including a pixel array layer on one surface of a first substrate for displaying an image; a sound generator for transmitting an ultrasound; and an ultrasonic sensor for receiving an ultrasound reflected by an object on the display panel. The sound generator and the ultrasonic sensor are on the other surface of the first substrate opposite to the one surface of the first substrate. The ultrasonic sensor includes a plurality of ultrasonic sensor units arranged in a matrix form, and the ultrasonic sensor senses the object using the reflected ultrasound received by the plurality of ultrasonic sensor units.Type: GrantFiled: March 5, 2020Date of Patent: December 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Byeong Hee Won, Eun Kyung Yeon
-
Patent number: 11513758Abstract: A display device, includes: a display panel including a pixel array layer, a panel lower member disposed under the display panel, a first magnet disposed under the panel lower member and having a first area, a vibration generator coupled to one surface of the first magnet and having a second area larger than the first area; and a second magnet overlapping the first magnet in a thickness direction and spaced apart from the first magnet in the thickness direction.Type: GrantFiled: June 1, 2020Date of Patent: November 29, 2022Assignee: Samsung Display Co., Ltd.Inventors: Byeong Hee Won, Eun Kyung Yeon, Jae Been Lee
-
Publication number: 20220319357Abstract: A display device including a display panel and a supporter. The display panel includes a base layer that includes a plurality of stopper patterns and a support layer coupled to the plurality of stopper patterns. The supporter supports the plurality of stopper patterns and the support layer. The supporter includes a plurality of support blocks, each of which extends along the first direction and which are arrayed along the second direction. The plurality of support blocks include a first support block and a second support block spaced apart from each other in the second direction. The first support block includes a second portion overlapping the first stopper pattern among the plurality of stopper patterns when viewed in a plan view, and the second support block includes a first portion overlapping the first stopper pattern when viewed in a plan view.Type: ApplicationFiled: March 25, 2022Publication date: October 6, 2022Inventors: YI JOON AHN, EUN-KYUNG YEON, JAEBEEN LEE
-
Publication number: 20220322008Abstract: 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: November 22, 2021Publication date: October 6, 2022Inventors: Yi Joon AHN, Eun Kyung YEON, Jae Been LEE