Backlight device
US10466410B2 · kind B2 · utility
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10Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 30, 2015 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Jul 19, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0091
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A backlight device is disclosed. The backlight device includes a reflection sheet; a frame in contact with the reflection sheet; and a light guiding plate surrounded by the frame; wherein the frame comprises: a first surface in contact with the reflection sheet, a second surface spaced apart from the reflection sheet, at least one groove configured to secure a light emitting element, and a heat dissipation channel in at least one of the first surface and the second surface of the frame, wherein the heat dissipation channel is located at periphery of the groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.