Integrated filter optical package
US12364052B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 13, 2019 |
| Grant date | Jul 15, 2025 |
| Priority date | — |
| Expiry date | Sep 25, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/92247
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
An integrated filter optical package including an ambient light sensor that incorporates an infrared (IR) filter in an integrated circuit (IC) stacked-die configuration is provided. The integrated filter optical package incorporates an infrared (IR) coated glass layer to filter out or block IR light while allowing visible (ambient) light to pass through to a light sensitive die having a light sensor. The ambient light sensor detects an amount of visible light that passes through the IR coated glass layer and adjusts a brightness or intensity of a display screen on an electronic device accordingly so that the display screen is readable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.