Patents by Inventor Yuseon Kho
Yuseon Kho 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).
-
Patent number: 11275921Abstract: A piezoelectric panel speaker and an electronic apparatus including the same are disclosed. The piezoelectric panel speaker may include a piezoelectric panel including at least one hole and configured to vibrate, and a fingerprint sensor accommodated into the one hole and configured to sense biometric information.Type: GrantFiled: July 28, 2020Date of Patent: March 15, 2022Assignee: LG Display Co., Ltd.Inventors: YuSeon Kho, Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu
-
Publication number: 20210400396Abstract: 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: September 1, 2021Publication date: December 23, 2021Applicant: LG Display Co., Ltd.Inventors: YongGyoon JANG, Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol RYU, YuSeon KHO
-
Publication number: 20210400394Abstract: 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: August 31, 2021Publication date: December 23, 2021Applicant: LG Display Co., Ltd.Inventors: Chiwan KIM, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG
-
Patent number: 11166108Abstract: 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: GrantFiled: June 20, 2019Date of Patent: November 2, 2021Assignee: LG Display Co., Ltd.Inventors: Chiwan Kim, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
-
Publication number: 20210325968Abstract: 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: June 25, 2021Publication date: October 21, 2021Applicant: LG Display Co., Ltd.Inventors: Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol Ryu, YuSeon KHO, YongGyoon JANG
-
Patent number: 11140492Abstract: 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: GrantFiled: October 16, 2019Date of Patent: October 5, 2021Assignee: LG Display Co., Ltd.Inventors: YongGyoon Jang, Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
-
Publication number: 20210304722Abstract: A display apparatus includes a display panel displaying an image and a vibration generating device disposed on a rear surface of the display panel to vibrate the display panel. The vibration generating device includes a piezoelectric structure including a first region and a second region, the first region has a vibration characteristic of a first frequency, and the second region has a vibration characteristic of a second frequency which differs from the first frequency.Type: ApplicationFiled: March 31, 2021Publication date: September 30, 2021Applicant: LG Display Co., Ltd.Inventors: YuSeon KHO, Yong-Su HAM, YongWoo LEE
-
Publication number: 20210306758Abstract: 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 11, 2021Publication date: September 30, 2021Applicant: LG Display Co. Ltd.Inventors: Chiwan KIM, Kyungyeol RYU, YuSeon KHO, YongGyoon JANG
-
Patent number: 11073914Abstract: 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: GrantFiled: December 19, 2019Date of Patent: July 27, 2021Assignee: LG Display Co., Ltd.Inventors: Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
-
Patent number: 11064300Abstract: 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: GrantFiled: June 5, 2019Date of Patent: July 13, 2021Assignee: LG Display Co., Ltd.Inventors: Chiwan Kim, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
-
Publication number: 20210183966Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices configured to vibrate the display panel. Each of the plurality of vibration generating devices includes a plurality of first portions having a piezoelectric characteristic and a plurality of second portions disposed near the plurality of first portions to have an expansion coefficient, and the plurality of vibration generating devices have different expansion coefficients.Type: ApplicationFiled: December 4, 2020Publication date: June 17, 2021Applicant: LG Display Co., Ltd.Inventors: YuSeon KHO, Yong-Su HAM, YongWoo LEE
-
Publication number: 20210174046Abstract: A composite piezoelectric element and an electronic device having the same are disclosed, in which the composite piezoelectric element includes insulating films and piezoelectric bodies, which are alternately arranged, wherein the piezoelectric bodies may be categorized into general piezoelectric bodies used as at least one of a haptic actuator, a speaker actuator and a receiver actuator, and a finger scan recognition piezoelectric body for finger scan recognition.Type: ApplicationFiled: December 8, 2020Publication date: June 10, 2021Applicant: LG Display Co., Ltd.Inventors: YuSeon KHO, Yong-Su HAM, YongWoo LEE
-
Publication number: 20210168479Abstract: 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: February 16, 2021Publication date: June 3, 2021Applicant: LG Display Co., Ltd.Inventors: Taeheon KIM, Chiwan KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol Ryu, YuSeon KHO, YongGyoon JANG
-
Publication number: 20210160622Abstract: 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: February 5, 2021Publication date: May 27, 2021Applicant: 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
-
Patent number: 11006223Abstract: A vibration generating device includes an electroactive layer having a first surface and a second surface opposite to the first surface, and including an unevenness structure; and a first electrode and a second electrode on at least one of the first surface and the second surface of the electroactive layer, wherein one or more of the first electrode and the second electrode covers an entire surface of at least one or more of the first surface and the second surface of the electroactive layer including the unevenness structure.Type: GrantFiled: April 22, 2020Date of Patent: May 11, 2021Assignee: LG DISPLAY CO., LTD.Inventors: Taeheon Kim, Chiwan Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
-
Publication number: 20210136314Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.Type: ApplicationFiled: January 11, 2021Publication date: May 6, 2021Applicant: LG Display Co., Ltd.Inventors: Sung-Eui Shin, Chiwan Kim, Taeheon Kim, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
-
Patent number: 10972820Abstract: 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: GrantFiled: October 24, 2019Date of Patent: April 6, 2021Assignee: LG Display Co., Ltd.Inventors: Taeheon Kim, Chiwan Kim, Sung-Eui Shin, Yongwoo Lee, Kyungyeol Ryu, YuSeon Kho, YongGyoon Jang
-
Patent number: 10963052Abstract: Provided are a touch sensitive element and a display device including the same. According to the exemplary embodiment of the present disclosure, a touch sensitive element, includes: an electroactive layer which is formed of electroactive polymer (EAP); an electrode which is disposed on at least one surface of the electroactive layer; and a hard coating layer which is disposed on the electroactive layer and the electrode and has a negative coefficient of thermal expansion (CTE). Therefore, vibration effect in a vertical direction is maximized and impact resistance may be improved.Type: GrantFiled: October 30, 2017Date of Patent: March 30, 2021Assignee: LG Display Co., Ltd.Inventors: Seulgi Choi, Yong-Su Ham, Taeheon Kim, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho, MyungJin Lim
-
Patent number: 10951992Abstract: 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: GrantFiled: December 20, 2019Date of Patent: March 16, 2021Assignee: 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
-
Patent number: 10942594Abstract: A touch panel includes a plurality of first electrodes which extends in a first direction. The touch panel further includes an electroactive layer which is disposed on the plurality of first electrodes and is formed of an electroactive material. The touch panel further includes a plurality of second electrodes which is disposed on the electroactive layer and extends in a second direction which is different from the first direction. The touch panel further includes an insulating layer which is disposed to cover the electroactive layer and the plurality of second electrodes. The touch panel further includes a plurality of third electrodes which is disposed on the insulating layer and extends in the second direction.Type: GrantFiled: November 27, 2018Date of Patent: March 9, 2021Assignee: LG Display Co., Ltd.Inventors: Chiwan Kim, Taeheon Kim, Sung-Eui Shin, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho