Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1984-10-16
1991-08-20
Hess, Bruce H.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
2504621, 428172, 428195, 428203, 428323, 428690, 428913, B32B 310, B32B 330, F21K 200
Patent
active
050413260
ABSTRACT:
An electroluminescent laminate assembly or panel adaptable to formation of images of light generated by light emitting matter. The luminescent laminate is arranged with light emitting sections shaped in the form of images desired. In addition, different gradations in light intensities can be imparted to different segments of the field of the desired image for apparent three dimensional effects by selective provision of thick and thin regions of the light emitting matter between the electrodes. The electrodes are also disclosed as capable of formation from compositions of conductive material which in some instances can be sprayed in place and in others doctor-bladed in place to different thicknesses for application of different electrical forces to different sections of the light emitting matter of the assembly for desired preselected patterned light outputs. In this regard electrodes are disclosed as being capable of having preselected thickness differences over their major dimensions for desired lighting output effects. In addition, microencapsulated phosphorescent matter is disclosed as one form of such light emitting matter adaptable to providing the lighting effects desired of the invention.
REFERENCES:
patent: 4024404 (1977-05-01), Schroeder
Schroeder Becky J.
Schroeder Charles F.
Hess Bruce H.
Schroeder Charles F.
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