Display device
US11075252B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 3, 2020 |
| Grant date | Jul 27, 2021 |
| Priority date | — |
| Expiry date | Apr 3, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/87
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A foldable display device includes: a first substrate, a first thin-film transistor layer on the first substrate, a light emitting element layer on the first thin-film transistor layer, and a fingerprint sensor layer to receive light reflected by an external object. The fingerprint sensor layer includes: a second substrate under the first substrate, a second thin-film transistor layer under the second substrate, and a light receiving element layer under the second thin-film transistor layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.