Lamp bead with adjustable light-emitting angle and LED lamp

The lamp bead comprises a lamp bead body, the lamp bead body comprises a support and an LED chip, the top end of the support is provided with a mounting groove used for containing the LED chip, the mounting groove is in a bowl shape, the mounting groove is filled with a fluorescent material so that...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI JIAYE, CHEN ZHIMING, TANG CHENG, LI RUNQUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	The lamp bead comprises a lamp bead body, the lamp bead body comprises a support and an LED chip, the top end of the support is provided with a mounting groove used for containing the LED chip, the mounting groove is in a bowl shape, the mounting groove is filled with a fluorescent material so that the LED chip can be packaged on the support, the top of the support is provided with a light guide cover, and the light guide cover is arranged on the top of the support. An annular sliding groove is formed in the top end of the support, a refraction structure is arranged in the sliding groove in a sliding mode, and the refraction structure is used for refracting a light source emitted by the LED chip; the sliding ring slides up and down in the sliding groove, the refraction cover can be driven to slide upwards in the light guide cover, at the moment, the light guide area of the light guide cover can be shielded through the refraction cover, the light guide area of the light guide cover is reduced, and then the ang