Patents by Inventor Yonggyoon JANG
Yonggyoon JANG 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).
-
Publication number: 20200404427Abstract: A display apparatus including a flexible vibration module and a method of manufacturing the flexible vibration module are provided. A display apparatus includes: a display panel configured to display an image, and a flexible vibration module on a rear surface of the display panel, the flexible vibration module configured to vibrate the display panel, the flexible vibration module including: a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions respectively between pairs of the plurality of first portions, the plurality of second portions having flexibility.Type: ApplicationFiled: September 4, 2020Publication date: December 24, 2020Applicant: LG Display Co., Ltd.Inventors: Sung Eui SHIN, Taeheon KIM, Kyungyeol RYU, YongGyoon JANG, Chiwan KIM, YongWoo LEE, YuSeon KHO
-
Publication number: 20200381613Abstract: A piezoelectric element comprising a compound represented by Formula 1, a piezoelectric device including the piezoelectric element, a vibration module including the piezoelectric device, and a display apparatus including the piezoelectric device are provided, where (1-x)(LizNa0.5-zK0.5)(Nb1-ySby)O3.xCaZrO3??[Formula 1] where x, y, and z have a range of 0.001?x?0.2, a range of 0?y?0.5, and a range of 0?z?0.2, respectively.Type: ApplicationFiled: May 28, 2020Publication date: December 3, 2020Applicants: LG Display Co., Ltd., Korea University Research and Business FoundationInventors: Taeheon KIM, Sahn Nahm, YongGyoon JANG, Jonghyun KIM, Ku-Tak LEE, Chiwan KIM, Sung-Eui SHIN, YongWoo LEE, Seok-June Chae
-
Patent number: 10805736Abstract: A display apparatus including a flexible vibration module and a method of manufacturing the flexible vibration module are provided. A display apparatus includes: a display panel configured to display an image, and a flexible vibration module on a rear surface of the display panel, the flexible vibration module configured to vibrate the display panel, the flexible vibration module including: a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions respectively between pairs of the plurality of first portions, the plurality of second portions having flexibility.Type: GrantFiled: June 17, 2019Date of Patent: October 13, 2020Assignee: LG Display Co., Ltd.Inventors: Sung Eui Shin, Taeheon Kim, Kyungyeol Ryu, YongGyoon Jang, Chiwan Kim, YongWoo Lee, YuSeon Kho
-
Publication number: 20200314552Abstract: A display apparatus includes: a display panel configured to be rolled or unrolled, at least one vibration module on a rear surface of the display panel, the at least one vibration module being configured to: be rolled or unrolled with the display panel, and vibrate the display panel, and a partition on the rear surface of the display panel, the partition being spaced apart from and surrounding the at least one vibration module, wherein the at least one vibration module includes: a plurality of first portions having a piezoelectric property, and a plurality of second portions between the plurality of first portions, the plurality of second portions having flexibility.Type: ApplicationFiled: June 5, 2019Publication date: October 1, 2020Applicant: LG Display Co. Ltd.Inventors: Chiwan KIM, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG
-
Publication number: 20200314553Abstract: A display apparatus includes: a display panel configured to display an image, and at least one vibration module on a rear surface of the display panel, the at least one vibration module including a piezoelectric composite layer including a plurality of sub-modules configured to vibrate the display panel, each of the plurality of sub-modules including: a plurality of first portions including a piezoelectric characteristic, and a plurality of second portions having flexibility, each of the plurality of second portions being between a respective pair of the plurality first portions, wherein the plurality of first portions in the respective sub-modules are arranged in a same direction or are partially arranged in different directions.Type: ApplicationFiled: June 20, 2019Publication date: October 1, 2020Applicant: LG Display Co., Ltd.Inventors: Chiwan KIM, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG
-
Publication number: 20200314557Abstract: A display apparatus includes a display module having a display panel configured to display an image, a sound generation module disposed at the display module and configured to vibrate the display module to generate sound, a first cover configured to cover a first periphery portion of the display module, and a plurality of ultrasonic generation modules disposed between the first periphery portion of the display module and the first cover. The first cover includes a plurality of first holes overlapping with the plurality of ultrasonic generation modules.Type: ApplicationFiled: June 20, 2019Publication date: October 1, 2020Applicant: LG Display Co., Ltd.Inventors: Kyungyeol RYU, Chiwan KIM, YuSeon KHO, YongGyoon JANG
-
Publication number: 20200314515Abstract: Display panel and display apparatus including the same. A display panel includes a first substrate including a display portion configured to display an image, a second substrate attached to the first substrate by an adhesive member, and a vibration generating module within the adhesive member to overlap the display portion. The vibration generating module is surrounded by the second substrate and the adhesive member.Type: ApplicationFiled: June 24, 2019Publication date: October 1, 2020Applicant: LG Display Co., Ltd.Inventors: YongGyoon JANG, Yong-Su HAM, YongWoo LEE, Kyungyeol RYU
-
Patent number: 10771902Abstract: A display apparatus includes a display module having a display panel configured to display an image, a sound generation module disposed at the display module and configured to vibrate the display module to generate sound, a first cover configured to cover a first periphery portion of the display module, and a plurality of ultrasonic generation modules disposed between the first periphery portion of the display module and the first cover. The first cover includes a plurality of first holes overlapping with the plurality of ultrasonic generation modules.Type: GrantFiled: June 20, 2019Date of Patent: September 8, 2020Assignee: LG Display Co., Ltd.Inventors: Kyungyeol Ryu, Chiwan Kim, YuSeon Kho, YongGyoon Jang
-
Patent number: 10705261Abstract: Provided is a display device having an antistatic film comprising a conductive coating liquid composition. The conductive coating liquid composition comprises 10 to 100 parts by weight of a silane sol based on 100 parts by weight of a carbon nanotube dispersion liquid composition, and the silane sol comprises 0.01 to 10 wt % of an acid catalyst with a pH of 3.0 to 6.0 based on the total weight of the silane sol.Type: GrantFiled: December 29, 2016Date of Patent: July 7, 2020Assignees: LG DISPLAY CO., LTD., NANO SOLUTION CO., LTD.Inventors: Junsik Hwang, Kwihong Park, Yonggyoon Jang, Sungwook Ko, Hyungyul Kim, Hojun Moon
-
Publication number: 20200209973Abstract: The present disclosure relates to a vibration generation device, a display apparatus including the vibration generation device, and a vehicle including the vibration generation device. A vibration generation device includes a piezoelectric ceramic part having a certain interval, a piezoelectric material layer between the piezoelectric ceramic parts, and an electrode part configured to provide electric field to one or more of the piezoelectric ceramic part and the piezoelectric material layer.Type: ApplicationFiled: December 19, 2019Publication date: July 2, 2020Applicant: LG Display Co., Ltd.Inventors: Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol Ryu, YuSeon KHO, YongGyoon JANG
-
Publication number: 20200213768Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.Type: ApplicationFiled: December 20, 2019Publication date: July 2, 2020Applicant: LG Display Co., Ltd.Inventors: YongWoo LEE, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG, Yong-Su HAM, Sungwook KO
-
Publication number: 20200171542Abstract: A vibration generating device includes a first piezoelectric device including at least one slit, a first electrode on a first surface of the first piezoelectric device, and a second electrode on a second surface opposite to the first surface of the first piezoelectric device.Type: ApplicationFiled: October 17, 2019Publication date: June 4, 2020Applicant: LG Display Co., Ltd.Inventors: YuSeon KHO, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol RYU, YongGyoon JANG
-
Publication number: 20200154214Abstract: A display apparatus includes a display panel including configured to display an image and a sound generating device on a rear surface of the display panel, the sound generating device being configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a second structure over or under the first structure, the second structure including a first part having a piezoelectric characteristic and a second part between adjacent first parts to have flexibility.Type: ApplicationFiled: October 16, 2019Publication date: May 14, 2020Applicant: LG Display Co., Ltd.Inventors: YongGyoon JANG, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol RYU, YuSeon KHO
-
Publication number: 20200154185Abstract: A display apparatus includes a display panel configured to display an image and a sound generating device on a rear surface of the display panel. The sound generating device is configured to vibrate the display panel to generate sound. The sound generating device includes a first structure and a first passivation layer on one side of the first structure, at least a portion of the first passivation layer having a non-flat shape.Type: ApplicationFiled: October 24, 2019Publication date: May 14, 2020Applicant: LG Display Co., Ltd.Inventors: Taeheon KIM, Chiwan KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol Ryu, YuSeon KHO, YongGyoon JANG
-
Publication number: 20200059733Abstract: A display apparatus including a flexible vibration module and a method of manufacturing the flexible vibration module are provided. A display apparatus includes: a display panel configured to display an image, and a flexible vibration module on a rear surface of the display panel, the flexible vibration module configured to vibrate the display panel, the flexible vibration module including: a plurality of first portions having a piezoelectric characteristic, and a plurality of second portions respectively between pairs of the plurality of first portions, the plurality of second portions having flexibility.Type: ApplicationFiled: June 17, 2019Publication date: February 20, 2020Applicant: LG Display Co., Ltd.Inventors: Sung Eui SHIN, Taeheon KIM, Kyungyeol RYU, YongGyoon JANG, Chiwan KIM, YongWoo LEE, YuSeon KHO
-
Patent number: 10529806Abstract: A carbon allotrope and a display device including the same are disclosed. The thin-film transistor array substrate, comprising a substrate, a gate electrode on the substrate, an active layer comprising a first active layer, which opposes the gate electrode and is adjacent to the gate electrode thereby comprising a semiconductor material and a plurality of carbon allotropes, and a second active layer, which is in contact with the first active layer and comprises a semiconductor material, a gate insulating film between the gate electrode and the active layer, and a source electrode and a drain electrode respectively in contact with the active layer.Type: GrantFiled: September 25, 2017Date of Patent: January 7, 2020Assignee: LG Display Co., Ltd.Inventors: Changeun Kim, Jeongeun Baek, Yonggyoon Jang, Sungjin Kim
-
Patent number: 10290692Abstract: A thin-film transistor array substrate and a display device are disclosed. The thin-film transistor array substrate includes a substrate, a gate electrode disposed on the substrate, an active layer, which opposites the gate electrode, has a first region and a second region having different thicknesses, and comprises at least a semiconductor material, a gate insulating film interposed between the gate electrode and the active layer, and a source electrode and a drain electrode, which are respectively in contact with the active layer.Type: GrantFiled: December 11, 2017Date of Patent: May 14, 2019Assignee: LG Display Co., Ltd.Inventors: Changeun Kim, Yonggyoon Jang, Jeongeun Baek, Sungjin Kim
-
Publication number: 20180182833Abstract: A thin-film transistor array substrate and a display device are disclosed. The thin-film transistor array substrate includes a substrate, a gate electrode disposed on the substrate, an active layer, which opposites the gate electrode, has a first region and a second region having different thicknesses, and comprises at least a semiconductor material, a gate insulating film interposed between the gate electrode and the active layer, and a source electrode and a drain electrode, which are respectively in contact with the active layer.Type: ApplicationFiled: December 11, 2017Publication date: June 28, 2018Applicant: LG Display Co., Ltd.Inventors: Changeun KIM, Yonggyoon JANG, Jeongeun BAEK, Sungjin KIM
-
Publication number: 20180097062Abstract: A carbon allotrope and a display device including the same are disclosed. The thin-film transistor array substrate, comprising a substrate, a gate electrode on the substrate, an active layer comprising a first active layer, which opposes the gate electrode and is adjacent to the gate electrode thereby comprising a semiconductor material and a plurality of carbon allotropes, and a second active layer, which is in contact with the first active layer and comprises a semiconductor material, a gate insulating film between the gate electrode and the active layer, and a source electrode and a drain electrode respectively in contact with the active layer.Type: ApplicationFiled: September 25, 2017Publication date: April 5, 2018Inventors: Changeun KIM, Jeongeun BAEK, Yonggyoon JANG, Sungjin KIM
-
Publication number: 20170192134Abstract: Provided is a display device having an antistatic film comprising a conductive coating liquid composition. The conductive coating liquid composition comprises 10 to 100 parts by weight of a silane sol based on 100 parts by weight of a carbon nanotube dispersion liquid composition, and the silane sol comprises 0.01 to 10 wt % of an acid catalyst with a pH of 3.0 to 6.0 based on the total weight of the silane sol.Type: ApplicationFiled: December 29, 2016Publication date: July 6, 2017Inventors: Junsik HWANG, Kwihong PARK, Yonggyoon JANG, Sungwook KO, Hyungyul KIM, Hojun MOON