Composite phosphor luminescent glass and preparation method for same

A technology of luminescent glass and fluorescent powder, which is applied in the field of luminescent materials and its preparation, can solve the problems of unretrieved composite phosphor luminescent glass patents, etc., achieve good luminous performance and chemical stability, easy industrialization, and solve the problems of resin aging Effect

Inactive Publication Date: 2012-10-24
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] No patents identical to composite phosphor luminescent glass and its preparation method were found

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  • Composite phosphor luminescent glass and preparation method for same
  • Composite phosphor luminescent glass and preparation method for same
  • Composite phosphor luminescent glass and preparation method for same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The components of the composite phosphor luminescent glass include: phosphorus-zinc-silicon system glass powder and Y 3 al 5 o 12 : Ce 3+ Phosphor powder, their mass percentages are: phosphorus-zinc-silicon system glass powder 80%; Y 3 al 5 o 12 : Ce 3+ Phosphor 20%.

[0035] Among them, the composition of phosphorus-zinc-silicon glass includes P 2 o 5 , ZnO, SiO 2 、Al 2 o 3 and Na 2 O, the mass percentage of each component is: P 2 o 5 : 50%, ZnO: 40%, SiO 2 : 5%, Al 2 o 3 : 2.5%, Na 2 O: 2.5%.

[0036] Concrete preparation process is as follows:

[0037] (1) Preparation of phosphorus-zinc-silicon system glass:

[0038] ① Weigh NH according to the formula 4 h 2 PO 3 , ZnO, SiO 2 、Al 2 o 3 and Na 2 CO 3 Analysis of pure raw materials, where P 2 o 5 by NH 4 h 2 PO 3 Introduce, Na 2 O by Na 2 CO 3 introduce;

[0039] ② NH to be weighed 4 h 2 PO 3 , ZnO, SiO 2 、Al 2 o 3 、Na 2 CO 3 The raw materials were fully ground in an agate ...

Embodiment 2

[0047] The components of the composite phosphor luminescent glass include: phosphorus-zinc-silicon system glass powder and Y 3 al 5 o 12 : Ce 3+ Phosphor powder, their mass percentages are: phosphorus-zinc-silicon system glass powder 80%; Y 3 al 5 o 12 : Ce 3+ Phosphor 20%.

[0048] Among them, the composition of phosphorus-zinc-silicon glass includes P 2 o 5 , ZnO, SiO 2 、Al 2 o 3 and Na 2 O, the mass percentage of each component is: P 2 o 5 : 55%, ZnO: 35%, SiO 2 : 5%, Al 2 o 3 : 2.5%, Na 2 O: 2.5%.

[0049] Concrete preparation process is as follows:

[0050] (1) Preparation of phosphorus-zinc-silicon system glass:

[0051] ① Weigh NH according to the formula 4 h 2 PO 3 , ZnO, SiO 2 、Al 2 o 3 and Na 2 CO 3 Analysis of pure raw materials, where P 2 o 5 by NH 4 h 2 PO 3 Introduce, Na 2 O by Na 2 CO 3 introduce;

[0052] ② NH to be weighed 4 h 2 PO 3 , ZnO, SiO 2 、Al 2 o 3 、Na 2 CO 3 The raw materials were fully ground in an agate m...

Embodiment 3

[0060] The components of the composite phosphor luminescent glass include: phosphorus-zinc-silicon system glass powder and Y 3 al 5 o 12 : Ce 3+ Phosphor powder, their mass percentages are: phosphorus-zinc-silicon system glass powder 85%; Y 3 al 5 o 12 : Ce 3+ Phosphor 15%.

[0061] Among them, the composition of phosphorus-zinc-silicon glass includes P 2 o 5 , ZnO, SiO 2 、Al 2 o 3 and Li 2 O, the mass percentage of each component is: P 2 o 5 : 45%, ZnO: 40%, SiO 2 : 10%, Al 2 o 3 : 2.5%, Li 2 O: 2.5%.

[0062] Concrete preparation process is as follows:

[0063] (1) Preparation of phosphorus-zinc-silicon system glass:

[0064] ① Weigh NH according to the formula 4 h 2 PO 3 , ZnO, SiO 2 、Al 2 o 3 and Li 2 CO 3 Analysis of pure raw materials, where P 2 o 5 by NH 4 h 2 PO 3 Bring in, Li 2 O by Li 2 CO 3 introduce;

[0065] ② NH to be weighed 4 h 2 PO 3 , ZnO, SiO 2 、Al 2 o 3 , Li 2 CO 3The raw materials were fully ground in an agat...

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Abstract

The invention relates to a composite phosphor luminescent glass and a preparation method for the same. The ingredients of the composite phosphor luminescent glass is ~~~ glass powder and phosphor, wherein the ~~glass powder accounts for 80-95% by mass, and the phosphor accounts for 5-20% by mass. The preparation method for the composite phosphor ~~ luminescent glass comprises a first step of preparing ~~glass by using high temperature fusion technique, and a second step of mixing the glass powder and the phosphor uniformly for sintering to obtain the composite phosphor luminescent glass. The composite phosphor luminescent glass of the invention has good luminescent properties, and is mainly used to solve the problems that the phosphor is easily dampened during the use of LED devices, and resin is prone to aging during the packaging of the LED devices.

Description

technical field [0001] The invention relates to the field of luminescent materials and their preparation, in particular to a composite fluorescent powder luminescent glass and a preparation method thereof. Background technique [0002] All solid white light emitting diode (light emitting diode, LED) as a new type of lighting source is used as light emitting system, LCD (liquid crystal display) backlight, etc., has the advantages of less power consumption, long life, environmental protection, fast response, etc., and is gradually replacing Traditional lighting sources. At present, the single-chip white LED is the mainstream of development, in which the blue LED chip is combined with Y 3 Al 5 o 12 : Ce 3+ Yellow phosphor, sealed with epoxy resin, has been gradually commercialized in the way of preparing white light LED. [0003] However, in practical applications, problems such as uneven coating of phosphor powder, decrease in brightness of phosphor powder during long-ter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/062C03C4/12
Inventor 李宏花宁
Owner WUHAN UNIV OF TECH
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