Display apparatus
US10151448B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2017 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Nov 27, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133607
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display apparatus according to an embodiment of the present disclosure comprises: a substrate; a light-emitting unit including a light emitting element mounted on the substrate and a lens placed above the light-emitting element; a reflective layer placed on the upper surface of the substrate; an optical sheet placed above the reflective layer and placed at a height at which the optical sheet is spaced from the light-emitting unit; and a display panel placed on the upper surface of the optical sheet, wherein the lens has a cutout portion formed therein by depressing a part of the side surface thereof toward the center thereof, thereby providing an anisotropic light distribution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.