Backlight module for display apparatus, display apparatus, and method of driving edge-lit backlight module
US10935838B2 · kind B2 · utility
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1References
6Claims
0Family size
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Key dates
| Filing date | Apr 19, 2017 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Jun 8, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133601
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present application discloses a backlight module for a display apparatus. The backlight module for a display apparatus includes a light guide plate; and a light transmittance control layer on the light guide plate configured to receive light from the light guide plate and modulate light intensity of the light from the light guide plate. The light transmittance control layer includes a light transmittance control material having a variable light transmissivity. Light transmittance in a plurality of regions of the light transmittance control layer is individually controllable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.