Lighting device and display apparatus
US11038142B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Dec 5, 2018 |
| Grant date | Jun 15, 2021 |
| Priority date | — |
| Expiry date | Dec 5, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/874
Abstract
A lighting device includes a substrate having a light emitting area and a non-light emitting area surrounding the light emitting area, a light emitting part in the light emitting area, a first inorganic layer on the light emitting part and the non-light emitting area, a first organic layer on the first inorganic layer overlapping the light emitting part, a second inorganic layer on the first organic layer, a protruding part on the first inorganic layer of the non-light emitting area, and a cover layer on the protruding part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.