Backlight unit and display device having the same
US9454037B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2014 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | Nov 12, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133606
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device includes a display panel and a backlight unit. The display panel is curved along a first direction. The backlight unit includes an upper surface, and a lower surface having a curvature different from a curvature of the upper surface. The backlight unit includes a bottom cover that includes a bottom portion, and a sidewall extending from the bottom portion, a plurality of light emitting diodes on the bottom portion and generating light, and a diffusion plate on the light emitting diodes. In the first direction from a center portion of the bottom portion to an outer portion of the bottom portion, pitches between the light emitting diodes along a surface of the bottom portion, are proportional to distances between the light emitting diodes and the diffusion plate in a direction substantially normal to positions of the bottom portion at which the light emitting diodes are disposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.