Direct backlight for a display, with light bars in different planes
US11762434B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2021 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Jul 22, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/183
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight includes a first casing having an opening; a second casing connected to the first casing; an optical member disposed between the first casing and the second casing, and exposed via the opening; a supporting back plate disposed between the optical member and the second casing; at least one circuit board disposed between the supporting back plate and the second casing; and a plurality of light bars disposed on the supporting back plate. The supporting back plate is disposed between the second casing and optical member. The supporting back plate includes a first area and a second area, configured such that a distance from the first area to the second casing is greater than a distance from the second area to the second casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.