Display apparatus
US9964686B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2017 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Jan 4, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/05
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display apparatus includes a plurality of prism patterns disposed between a display panel and a light guide plate and having a shape of an inverted triangle, each of the plurality of prism patterns including a first pattern including a first side having a shape of an inverted triangle, which faces the display panel, a second side connecting one end of the first side to a vertex of the inverted triangle disposed under the first side, and a third side connecting the other end of the inverted triangle to the vertex and a second pattern having a refractive index less than that of the first pattern and disposed in the first groove that is defined in the second side to extend in a direction crossing the second side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.