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US 10,120,109 B2Granted
Light emitting device capable of reducing reflected light and changing a focused position of incident light
AssigneesLite-On Electronics (Guangzhou) Limited, Lite-On Technology Corporation
InventorsChing-Tsung Ni, Tai-Jung Sung, Kuo-Hui Chang
Life of this patent
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Abstract
A light emitting device includes a casing, a light blocking member, and a light emitting unit. The light blocking member is disposed within the casing, and is adapted to block an ambient light incident into the casing. The light emitting unit is disposed within the casing.
Claims19
A light emitting device, comprising:
- a casing;
- a light blocking member disposed within the casing, and is adapted to block an ambient light incident into the casing;
- and
- a light emitting unit disposed within the casing, wherein the light blocking member is a light shielding cap having an accommodation opening and a plurality of cavity structures disposed around the accommodation opening, each of the plurality of cavity structures blocks the ambient light incident into the casing in a multi-reflection manner, and the light emitting unit is disposed in the accommodation opening correspondingly.
1 more element
Dependencies are inferred from the claim text.