Display substrate, preparation method thereof, and display apparatus
US11599196B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2021 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Sep 30, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B2201/51
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are a display substrate, a preparation method thereof, and a display apparatus. The display substrate includes a substrate, an array structure layer disposed on the substrate, a plurality of emitting units and a plurality of ultrasonic transducers disposed at intervals on a side of the array structure layer away from the substrate, wherein the ultrasonic transducers are disposed between adjacent emitting units, and the array structure layer includes a transducer drive circuit connected to the ultrasonic transducer, and the transducer drive circuit is configured to control the ultrasonic transducer to transmit ultrasonic waves and receive voltage signals generated by the ultrasonic transducer receiving echoes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.