Light guide plate, backlight module and liquid cristal display device
US10067367B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 26, 2015 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Jan 19, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133317
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide plate, a backlight module, a liquid crystal display module and a liquid crystal display device are disclosed. The light guide plate comprises a light-guide-plate body and a protecting frame. The light-guide-plate body comprises a light-exiting surface and a light-transmitting surface that are opposite to each other, and a plurality of side surfaces connecting the light-exiting surface with the light-transmitting surface. The protecting frame comprises a vertical wall and a horizontal wall extending from the vertical wall to an inner side of the protecting frame. The horizontal wall comprises a first contact surface which is attached to an edge of the light-exiting surface. The vertical wall comprises a second contact surface which is connected with the first contact surface, and the second contact surface is attached to side surfaces of the light-guide-plate body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.