Fluorescence filter and image sensor module including same
US11879845B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2021 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Jul 18, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure relates to a fluorescence filter for measuring fluorescence generated by a measurement object and an image sensor module including the same, and includes an absorption filter transmitting light within a specific wavelength band generated by the measurement object including a fluorescent dye and absorbs light in the remaining wavelength bands, and a reflection filter that is disposed adjacent to the absorption filter, transmits light within a specific wavelength band generated by the measurement object, and reflects light in the remaining wavelength bands, wherein the absorption filter has a plurality of wells having a predetermined depth in which the measurement object is accommodated, and wherein the plurality of wells are disposed at regular intervals on an incident surface of the absorption filter to which external light is incident.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.