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Long after-glow fluorescent lamp shade

A long afterglow phosphor and long afterglow technology, applied in the field of fluorescent lamp shades

Inactive Publication Date: 2007-04-11
李建明
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But so far, no long afterglow fluorescent shades

Method used

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  • Long after-glow fluorescent lamp shade
  • Long after-glow fluorescent lamp shade

Examples

Experimental program
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Embodiment 1

[0014] Embodiment 1: The long afterglow fluorescent lampshade contains long afterglow fluorescent powder in the matrix of the lampshade 1, as shown in FIG. 1 .

Embodiment 2

[0015] Embodiment 2: The long afterglow fluorescent lampshade is provided with a long afterglow phosphor coating 2 on the inner surface of the lampshade 1, as shown in FIG. 2 .

[0016] This kind of long afterglow fluorescent lampshade is made of red, blue-green, yellow-green three kinds of phosphors or mixing them into long afterglow phosphors of various color temperatures. After slurrying, it is directly coated on the surface of the lampshade. Afterglow Phosphor powder is mixed in the base material of the lampshade, which has a strong afterglow.

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Abstract

The long afterglow fluorescent lamp shade has one base body containing long afterglow fluorescent powder or has long afterglow fluorescent powder coating in the surface. The long afterglow fluorescent powder may be activated with lamp light to absorb light energy and may have its absorbed light energy released to provide long time lighting after the lamp is put off. The present invention may be used in night navigation or leading way and is energy saving.

Description

Technical field: [0001] The invention relates to a fluorescent lampshade, in particular to a long afterglow fluorescent lampshade. Background technique: [0002] There are three types of long-lasting phosphors, red-emitting long-lasting phosphors (referred to as red powders) - yttrium europium oxysulfide; yellow-green long-lasting phosphors (referred to as yellow-green powders) - strontium aluminate activated by europium and dysprosium ; Phosphor powder emitting blue-green light (abbreviated as blue-green powder) - strontium aluminate activated by europium holmium. These long-lasting phosphors can emit fluorescence under the excitation of ultraviolet light or visible light. When the excitation is stopped, the long-lasting phosphors can still emit fluorescence, which is called afterglow. Red powder emits afterglow for half an hour; yellow-green powder emits afterglow for 2 to 6 hours, and blue-green powder emits afterglow for as long as 4 to 10 hours. Because of the above-me...

Claims

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Application Information

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IPC IPC(8): F21V3/04F21Y103/00
Inventor 李建明
Owner 李建明
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