公开(公告)号：US20200381613A1

公开(公告)日：2020-12-03

申请号：US16886150

申请日：2020-05-28

Applicant: LG Display Co., Ltd. ,  Korea University Research and Business Foundation

Inventor： Taeheon KIM ,  Sahn Nahm ,  YongGyoon JANG ,  Jonghyun KIM ,  Ku-Tak LEE ,  Chiwan KIM ,  Sung-Eui SHIN ,  YongWoo LEE ,  Seok-June Chae

IPC: H01L41/187 ,  G06F3/041 ,  G06F3/01 ,  G06F1/16 ,  G10K9/122

Abstract: 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.

公开(公告)号：US20240206275A1

公开(公告)日：2024-06-20

申请号：US18470159

申请日：2023-09-19

Applicant: LG Display Co., Ltd.

Inventor： Jonghyun KIM ,  Seongil KIM

IPC: H10K59/38 ,  G02F1/1335

CPC classification number: H10K59/38 ,  G02F1/133514

Abstract: A display device according to an embodiment includes a first substrate including a display area including a plurality of pixels and a non-display area surrounding the display area, and a color filter arranged on the first substrate, wherein the color filter transmits a specific light incident thereon and blocks other light.

公开(公告)号：US20230422625A1

公开(公告)日：2023-12-28

申请号：US18242508

申请日：2023-09-05

Applicant: LG Display Co., Ltd. ,  Korea University Research and Business Foundation

Inventor： Taeheon KIM ,  Sahn Nahm ,  YongGyoon JANG ,  Jonghyun KIM ,  Ku-Tak LEE ,  Chiwan KIM ,  Sung-Eui SHIN ,  YongWoo LEE ,  Seok-June Chae

IPC: H10N30/853 ,  G06F3/041 ,  G10K9/122 ,  G06F1/16 ,  G06F3/01

CPC classification number: H10N30/8542 ,  G06F3/0412 ,  G06F3/016 ,  G06F1/1605 ,  G10K9/122

Abstract: 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.

公开(公告)号：US20220406989A1

公开(公告)日：2022-12-22

申请号：US17893881

申请日：2022-08-23

Applicant: LG Display Co., Ltd. ,  Korea University Research and Business Foundation

Inventor： Taeheon KIM ,  Sahn Nahm ,  YongGyoon JANG ,  Jonghyun KIM ,  Ku-Tak LEE ,  Chiwan KIM ,  Sung-Eui SHIN ,  YongWoo LEE ,  Seok-June Chae

IPC: H01L41/187 ,  G06F3/041 ,  G10K9/122 ,  G06F1/16 ,  G06F3/01

Abstract: 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.