US 11,924,609 B2
Display apparatus
Chiwan Kim, Paju-si (KR); Kyungyeol Ryu, Paju-si (KR); YuSeon Kho, Paju-si (KR); and YongGyoon Jang, Paju-si (KR)
Assigned to LG DISPLAY CO., LTD., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Jun. 11, 2021, as Appl. No. 17/346,043.
Application 17/346,043 is a continuation of application No. 16/431,737, filed on Jun. 5, 2019, granted, now 11,064,300.
Claims priority of application No. 10-2019-0037508 (KR), filed on Mar. 29, 2019.
Prior Publication US 2021/0306758 A1, Sep. 30, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H04R 17/00 (2006.01); G06F 1/16 (2006.01); G06F 3/16 (2006.01); G09G 3/20 (2006.01); H04R 1/02 (2006.01)
CPC H04R 17/00 (2013.01) [G06F 3/16 (2013.01); H04R 1/028 (2013.01); G06F 1/1601 (2013.01); G09G 3/2092 (2013.01); G09G 2380/02 (2013.01); H04R 2499/15 (2013.01)] 41 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a vibration plate configured to be rolled or unrolled; and
at least one vibration module configured to vibrate the vibration plate, the at least one vibration module comprising:
a plurality of first portions having a piezoelectric property; and
a plurality of second portions configured to fill a gap between a lateral surface of each of the plurality of first portions along a first direction parallel to a rear surface of the vibration plate, the plurality of second portions including an organic material having flexibility,
wherein the at least one vibration module has flexibility by the plurality of second portions, and
wherein the at least one vibration module further configured to be rolled or unrolled together with the vibration plate.