Light guide assembly, backlight and display apparatus
US10884180B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 16, 2018 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Jan 12, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0068
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light guide assembly comprises: a first light guide member; and a second light guide member stacked on the first light guide member. The light guide assembly has first and second light incident surfaces located on different sides, and a light emitting surface and a bottom surface which are oppositely disposed in a thickness direction, the first light incident surface and the bottom surface are located on the first light guide member, and the second light incident surface and the light emitting surface are located on the second light guide member, and the bottom surface is provided with first dots having a density increasing in a direction away from the first light incident surface, and the light emitting surface is provided with second dots having a density increasing in a direction away from the second light incident surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.