US 12,015,897 B2
Display apparatus
Kyounghwan Kim, Paju-si (KR); MinHo Sohn, Paju-si (KR); KiDuk Kim, Paju-si (KR); Sung-Jin Kang, Paju-si (KR); Jeonggoo Kang, Paju-si (KR); and JaiHyuk Lee, Paju-si (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Mar. 20, 2023, as Appl. No. 18/123,883.
Application 18/123,883 is a continuation of application No. 17/314,001, filed on May 6, 2021, granted, now 11,647,336.
Application 17/314,001 is a continuation of application No. 16/711,988, filed on Dec. 12, 2019, granted, now 11,032,650, issued on Jun. 8, 2021.
Claims priority of application No. 10-2018-0166356 (KR), filed on Dec. 20, 2018.
Prior Publication US 2023/0232163 A1, Jul. 20, 2023
Int. Cl. H04R 17/00 (2006.01); H04R 1/02 (2006.01)
CPC H04R 17/00 (2013.01) [H04R 1/028 (2013.01); H04R 2499/11 (2013.01); H04R 2499/15 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a display panel having a flexible substrate, an Organic Light Emitting Diode, and an encapsulation layer on the flexible substrate;
a touch electrode on the encapsulation layer; and
a vibration generating device having a thin film layer on a rear surface of the flexible substrate and electrodes at the thin film layer,
wherein the thin film layer comprises a piezoelectric material layer,
wherein a first adhesive member is between the vibration generating device and a circuit board,
wherein a second adhesive member is between the vibration generating device and the display panel, and
wherein an elastic modulus of the first adhesive member is greater than an elastic modulus of the second adhesive member.