Transparent display substrate and transparent display device
US11537004B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2020 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Jun 8, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/005
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A transparent displaying base plate and a transparent displaying device. The transparent displaying base plate includes a displaying layer (2) and a liquid-crystal grating layer (3) provided on one side of the displaying layer (2), the displaying layer (2) includes black matrixes (15) and displaying regions (A) defined by the black matrixes (15), the liquid-crystal grating layer (3) is provided with a backlight unit on one side that is further away from the displaying layer (2), and the backlight unit includes a backlight layer for exiting backlight light rays to the displaying layer (2), and at least a light focusing layer for focusing the backlight light rays directly facing the positions of the displaying regions (A) to the black matrixes (15).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.