LED device
AssigneeLeedarson Lighting Co., Ltd.
InventorsYanbiao Chen, Liangliang Cao, Huiwu Chen, Qiyuan Wang
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Abstract
A LED device includes LED chips mounted on a substrate, a first fluorescent layer, a second fluorescent layer and a package housing. The LED chips emit a blue light. The first fluorescent layer has a first side facing to the LED chips for converting the blue light to a red light. The second fluorescent layer has a first side attached to a second side of the first fluorescent layer for converting the blue light to a red light emitted from a second side of the second fluorescent layer. The package housing holds the substrate and the first fluorescent layer.
Claims19
A LED device, comprising:
- a LED module mounted on a substrate for emitting a blue light;
- a first fluorescent layer with a first side facing to the LED module for converting the blue light to a red light;
- a second fluorescent layer having a first side attached to a second side of the first fluorescent layer for converting the blue light to a green light emitted from a second side of the second fluorescent layer;
- and
- a package housing for holding the substrate and the first fluorescent layer, wherein the package housing has a ladder wall for engaging with a peripheral part of the second fluorescent layer.
Dependencies are inferred from the claim text.