| 2019-CAKM-68440 | |
| Researchers at Purdue University have developed new flexible and transparent loudspeakers by combining vertically aligned lead zirconate titanate (PZT) and graphene nanoplatelets in a polymer matrix. Current technologies utilize magnets and cone-shaped diaphragms to project sound, which is often expensive and unreliable. The method created by Purdue researchers includes a simple, lightweight, and cost-effective assembly. In testing, the new loudspeaker has improved sound frequency up to 2000 Hz, sound pressure level up to 80 dB, and light transmission up to 2200 nm. The loudspeaker system can be easily integrated into automotive, aeronautic, military/defense, television, e-reading applications and as sensors for measuring vibrations. Advantages: -Sound quality -Light-weight Potential Application: -Automotive -Aerospace -Military/Defense -E-reading -Television |
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Nov 28, 2019
CIP-Patent
United States
11,588,097
Feb 21, 2023
Feb 18, 2023
CON-Patent
United States
(None)
(None)
Nov 28, 2018
Provisional-Patent
United States
(None)
(None)
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Purdue Office of Technology Commercialization The Convergence Center 101 Foundry Drive, Suite 2500 West Lafayette, IN 47906 Phone: (765) 588-3475 Fax: (765) 463-3486 Email: otcip@prf.org |
