Light conversion device with high uniformity
US12031861B2 · kind B2 · utility
0Cited by
2References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 24, 2022 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Jan 24, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/8514
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a blue to white light conversion device, comprising: a light conversion subassembly comprising at least one light conversion layer, sandwiched between two light transmitting members, wherein the light conversion layer comprises a light conversion material comprising phosphors and/or quantum dots; at least one light diffusing subassembly neighboring the light conversion subassembly; and a top frame and a bottom frame surrounding the light diffusing subassembly and light conversion subassembly, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.