Patent ID: 11925039
Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G  H  Y | IPC G  H

Claim 6:
7. A display panel, comprising a liquid crystal display panel and an optical-sensing device disposed on the liquid crystal display panel, the optical-sensing device comprising:
a substrate;
a sensor TFT, disposed on the substrate and comprising a first active layer; and
a switch TFT, disposed on the substrate, connected with the sensor TFT, and comprising a second active layer;
wherein the first active layer comprises a first indium gallium zinc oxide (IGZO) layer, a perovskite layer disposed on the first IGZO layer, and a first graphene layer disposed on the first IGZO layer; and the second active layer comprises a second IGZO layer.