Velcro will be posted on the clothes cold tablets

1 Velcro -type cold tablets with Velcro to stick on clothes , can easily washable , washable advantage of convenient, Photoluminescent Gravel, you can only buy clothes , buy a few of their favorite patterns, free replacement patterns, the disadvantage is that there is no overall effect sewn nice , cold tablets prominent part in outside clothes.
2 is a fully integrated sewn cold tablets and clothes , cold tablets can not be removed . Advantage overall effect is photoluminescent stones, like an ornament in the chest, hand wash only drawback is that when washable , cold tablets part can not be immersed in water .

The light guide groove

 The optical plate receiving hole periphery the other is provided with a guide optical slot and through the light guide groove is set and the surround the light emitting element and the decorative aggregate hole of the outer side, thereby forming as an optical cell, the last of the light plate bottom edge, plus There is a reflective film, reflective film, and through which the light guide with the grooves, when the light emitting element emits light, the light guide groove by setting to the light source and the light guide of glow in the dark sand guide plate groove periphery, and then the center of the guide plate to the light reflectors and light board can show full glow effect. The utility model has the advantage of not using the cold plate in the way and still emitting light with high quality and reduce costs.

aluminate luminescent material is water-resistant

Rare earth aluminate long afterglow luminescent paint storage as an efficient , energy-saving "green" materials are widely used. Glow in the dark pebble characteristic is mainly given by the light-emitting materials , the development of a rare earth aluminate luminescent material poor water resistance , light color monotone , the study of the luminescence mechanism still remain in the speculative level, its organic - inorganic glow powder suppliers modification is still in the exploratory stage . But is moving to improve the luminous intensity , prolonged afterglow time , environment-friendly , light color diversity direction.

Good wear resistance coating a substrate

Select the easily degradable , with good light resistance, solvent resistance, resistant to acid , and a variety of salts have a very high tolerance , the porous , hydrophilic surface has a strong adhesion , can form strong , resistant to glow pigment powders and abrasion resistance film substrate . If the coating amount of the matrix is too high, the viscosity of paint is too large , easy construction , and the transparency is poor , poor light transmission ; if the amount is glow in the dark pebbles, prone to sagging brushing , poor leveling . Thus , the light emitting amount of the coating to the substrate of about 30% is suitable.

Low temperatures, low light intensity

The external excitation light source , electron transitions from the ground state to an excited state (process 1 ), part of the electronic transition back to low level characteristic emission of Eu2 + generated (process 2 ) and the other through the relaxation process glowing stone pebbles btrap levels capture ( process 3 ) . When stored in the trap of the electron energy absorption , re- excited back to the excited state , and then jump back to glowing rocks state to produce light. Electron temperature is not conducive to the excited energy level from the trap back to the excited state , so the light intensity is low at low temperatures , when the ambient temperature is increased in favor of the trap level in the excited electron excited state back , so the temperature is high luminous intensity is strong.

Brightness also has a great effect

In addition, the luminous powder expensive, its excessive use , will increase the cost of paint . Based on the above considerations,glow in dark sheet dosage of 10% to 20 % is appropriate.
Luminous powder particle size on luminous paint luminous intensity also has a great impact , if luminous powder particle size is too small , nanometer , when the relative content of Dy and Eu changes, or because of the small size effect of nanoparticles , glow in the dark dye emission brightness is reduced paint , not even light , only the white powder. But the luminous powder particle size can not be too large, to less than 50μm. Generally should be used in preparation of luminous paint luminous powder particle size control in l ~ 50μm range.