Light emitting diode device containing a micro lens array and method of making the same
US11594663B2 · kind B2 · utility
0Cited by
12References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 31, 2020 |
| Grant date | Feb 28, 2023 |
| Priority date | — |
| Expiry date | Dec 5, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/855
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A light emitting device includes a backplane, light emitting diodes (LEDs) attached to a front side of the backplane, and a micro lens array (MLA) located over the LEDs, the MLA containing unit lenses that have a smaller maximum diameter than a maximum lateral widths of the respective LEDs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.