US 12,096,181 B2
Apparatus including flexible vibration module
Sung Eui Shin, Paju-si (KR); Taeheon Kim, Paju-si (KR); Kyungyeol Ryu, Paju-si (KR); YongGyoon Jang, Paju-si (KR); Chiwan Kim, Paju-si (KR); YongWoo Lee, Paju-si (KR); and YuSeon Kho, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Sep. 6, 2023, as Appl. No. 18/243,083.
Application 18/243,083 is a continuation of application No. 17/676,816, filed on Feb. 22, 2022, granted, now 11,785,394.
Application 17/676,816 is a continuation of application No. 17/013,035, filed on Sep. 4, 2020, granted, now 11,297,439, issued on Apr. 5, 2022.
Application 17/013,035 is a continuation of application No. 16/443,454, filed on Jun. 17, 2019, granted, now 10,805,736, issued on Oct. 13, 2020.
Claims priority of application No. 10-2018-0096924 (KR), filed on Aug. 20, 2018; and application No. 10-2019-0037499 (KR), filed on Mar. 29, 2019.
Prior Publication US 2023/0421963 A1, Dec. 28, 2023
Int. Cl. H04R 17/00 (2006.01); G06F 1/16 (2006.01); H04R 1/02 (2006.01); H04R 7/04 (2006.01)
CPC H04R 17/00 (2013.01) [H04R 1/028 (2013.01); H04R 7/045 (2013.01); G06F 1/1652 (2013.01); H04R 2499/15 (2013.01)] 32 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a vibration plate;
a film actuator at a rear surface of the vibration plate, the film actuator being configured to vibrate the vibration plate, the film actuator comprising:
a plurality of first portions having a piezoelectric characteristic and spaced apart from each other; and
at least one second portion respectively between pairs of the plurality of first portions, the at least one second portion having an organic material;
a rear structure at the rear surface of the vibration plate; and
a gap space between the film actuator and the rear structure,
wherein each of the plurality of first portions and the at least one second portion have a same height in a cross-sectional view.