Light source device, backlight module and liquid crystal display device
US11106084B2 · kind B2 · utility
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1References
19Claims
0Family size
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Key dates
| Filing date | Apr 11, 2019 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Apr 11, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/21
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A light source device, a backlight module and a liquid crystal display device are provided. The backlight module includes a prism structure, wherein the prism structure includes a substrate, prismatic tooth portions and a transparent sealing portion which are arranged in a stacked manner; and the transparent sealing portion seals the prismatic tooth portions, and the space between the prismatic tooth portions and the transparent sealing portion is a vacuum space.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.