Patent ID: 11899890
Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. The display device as claimed in claim 11, wherein the beam emitter further emits a second beam to confirm the input position, and the beam emitter emits the second beam when the operation button is pressed, the photosensitive devices output a first sensing signal to the reading module when sensing the first beam, the photosensitive devices output a second sensing signal to the reading module when sensing the second beam, and the reading module compares the first sensing signal and the second sensing signal and performs a corresponding operation to the projection position of the second beam according to a comparison result, or the reading module performs the corresponding operation to a projection position of first beam according to the second sensing signal.