公开(公告)号：US20210202890A1

公开(公告)日：2021-07-01

申请号：US17136566

申请日：2020-12-29

申请人： LG Display Co., Ltd.

发明人： Mi-Ae KIM

IPC分类号： H01L51/52 ,  H01L41/193 ,  H01L27/32 ,  G02B5/30

摘要： A display device includes a first substrate and a second substrate at which a display area for displaying an image and a non-display area surrounding the display area are provided; a light-emitting diode in the display area on an inner surface of the first substrate and including an anode electrode, a light-emitting layer and a cathode electrode; and a piezoelectric element in the display area on an inner surface of the second substrate and including a first electrode, a piezoelectric layer and a second electrode, wherein the piezoelectric layer includes dichroic dyes.

公开(公告)号：US20210202645A1

公开(公告)日：2021-07-01

申请号：US17123489

申请日：2020-12-16

申请人： LG Display Co., Ltd.

发明人： Mi-Ae KIM

IPC分类号： H01L27/32

摘要： A light emitting display device includes a lower substrate, a driving transistor positioned on the lower substrate and including a semiconductor layer, a gate electrode, a source electrode, and a drain electrode, and a light shield layer covering a lower surface, an upper surface, and a side surface of the semiconductor layer, for protecting the driving transistor from external light.