Liquid crystal display module and device
US9784996B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jun 5, 2015 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Dec 13, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/28
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a liquid crystal display (LCD) module and device with switchable viewing angles. The LCD module and device contain parallel and sequentially stacked backlight unit, LCD unit, and view-angle adjustment unit. The backlight unit is positioned along a back side of the LCD module and device as a backlight light source. The LCD unit is sandwiched between the backlight unit and the view-angle adjustment unit. Light produced by the backlight unit propagates through the LCD unit and the view-angle adjustment unit sequentially. Through the view-angle adjustment unit, The LCD module and device can switch between a wide angle mode and a narrow angle mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.