Coating processes – Electrical product produced – Fluorescent or phosphorescent base coating
Patent
1997-01-13
1998-05-05
Bell, Janyce
Coating processes
Electrical product produced
Fluorescent or phosphorescent base coating
427157, 427165, 427212, 427215, 427226, 4274193, 427404, 4274192, B05D 506
Patent
active
057471002
ABSTRACT:
A phosphor (200) for low voltage applications including a plurality of light-emitting particles (10) being made from a UV-excitable light-emitting phosphor, a diffusion barrier (25) being formed as a film on the light-emitting particles (10), and a coating (30) of an electron-excitable UV-emitting material being formed on the diffusion barrier (25). A method for making a low voltage phosphor including the steps of (i) providing a UV-excitable light-emitting phosphor (ii) forming a diffusion barrier on the UV-excitable light-emitting phosphor via sol-gel techniques (iii) forming, via sol-gel techniques, a film of an electron-excitable UV-emitting material on the diffusion barrier.
REFERENCES:
patent: 4791336 (1988-12-01), Morimoto et al.
Bell Janyce
Motorola Inc.
Parsons Eugene A.
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