Patent ID: 11869266
Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A display module, comprising:
a display panel comprising:
a first substrate;
a second substrate located above the first substrate; and
a functional layer, prepared and disposed above the second substrate, and comprising:
a second buffer layer prepared on the second substrate;
an active layer prepared on the second buffer layer;
a first insulating layer disposed on the active layer;
a source electrode connected to the active layer;
a drain electrode connected to the active layer;
a gate electrode disposed on the first insulating layer;
a second insulating layer disposed between the gate electrode and the source electrode and the drain electrode;
a pixel electrode layer connected to the source electrode or the drain electrode; and
a planarization layer disposed between the pixel electrode layer and the drain electrode and the source electrode; and

a fingerprint identification module, disposed in the display panel, disposed between the first substrate and the second substrate, and comprising:
a driving circuit layer prepared on the first substrate;
a piezoelectric material layer prepared on the driving circuit layer;
an electrode layer prepared on the piezoelectric material layer; and
a first buffer layer prepared on the electrode layer,

wherein four sides of the fingerprint identification module overlap four sides of the display panel.