Display module and display device
AssigneeWuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
InventorBi CHEN
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Abstract
The present invention discloses a display module and a display device. The display module includes a display panel and a fingerprint identification layer. The fingerprint identification layer includes a first conductive layer including a multifunctional electrode, a second conductive layer including a first driving electrode, a sensing electrode, and a second driving electrode. The first driving electrode and the second driving electrode are both electrically connected to the multifunctional electrode. The sensing electrode is insulated from the multifunctional electrode. Orthographic projections of the sensing electrode and the multifunctional electrode on the display panel have an overlapping region.
Claims18
A display module, comprising:
- a display panel;
- and
- a fingerprint identification layer disposed on the display panel and comprising a first insulating layer, a first conductive layer, a second insulating layer, a second conductive layer, and a third insulating layer, which are sequentially stacked;
- wherein the fingerprint identification layer is divided into a plurality of fingerprint identification units arranged in an array and connected to each other;
- wherein in any one of the fingerprint identification units, the first conductive layer comprises a multifunctional electrode, and the second conductive layer comprises a first driving electrode, a sensing electrode, and a second driving electrode, which are spaced apart from each other;
- wherein in two adjacent fingerprint identification units, the multifunctional electrodes of the two fingerprint identification units are spaced apart, the sensing electrode of one of the fingerprint identification units is electrically connected to the sensing electrode of the other, or the first driving electrode of one of the fingerprint identification units is electrically connected to the second driving electrode of the other, or the first driving electrode or the second driving electrode of one of the fingerprint identification units is electrically connected to the sensing electrode of the other;
- and
- wherein the first driving electrode and the second driving electrode are both electrically connected to the multifunctional electrode to realize conduction, the sensing electrode is insulated from the multifunctional electrode, and an orthographic projection of the sensing electrode on the display panel and an orthographic projection of the multifunctional electrode on the display panel have an overlapping region.
Dependencies are inferred from the claim text.