Patent ID: 11961853
Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC H  G | IPC G  H

Claim 8:
9. The color filter substrate according to claim 7, wherein both the sensor unit and the switch unit are thin-film transistors and the switch unit at least comprises a second gate electrode, a material of the first gate electrode and the second gate electrode is a transparent conductive material, and the color filter substrate further comprises:
a light shielding layer, wherein the light shielding layer and the switch unit are disposed at opposite sides of the base substrate, and the light shielding layer is disposed corresponding to the second gate electrode and is configured to prevent the laser from irradiating the switch unit to affect a switch function of the switch unit.