Display device and sound providing method
US11432059B2 · kind B2 · utility
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3References
24Claims
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Assignee
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Key dates
| Filing date | Mar 5, 2020 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jun 23, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device includes: a display panel; a first sound generator on a first surface of the display panel, the first sound generator being configured to vibrate the display panel to output a first sound; and a second sound generator configured to output a second sound. A third sound is a sum of the first sound and the second sound, and a sound pressure level of at least one of harmonic tones of the third sound is less than a sound pressure level of at least one of harmonic tones of the first sound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.