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US 7,596,898 B2Granted
Afterglowing sign
AssigneeSystem-Text AB
InventorSven Thollin
Life of this patent
Estimating the term…
Abstract
The present invention relates to an afterglowing sign printed with afterglowing pigments. The sign is provided at least partially with a screen print using opaque or transparent ink.
Claims34
An afterglowing sign comprising:
- a background surface, including at least one symbol, printed with afterglowing pigments, and
- a screen print using opaque or transparent ink printed on the afterglowing pigments to supplement the afterglowing background surface around the at least one symbol,
- wherein a contour recess is formed in an afterglowing ground surface along the contour of symbols printed on the sign.
An afterglowing sign comprising:
- a background surface, including at least one symbol, letter or number printed with afterglowing pigments, and
- a screen print using opaque or transparent ink printed on the afterglowing pigments to supplement the afterglowing background surface around the at least one symbol, letter or number,
- wherein a contour recess is formed in an afterglowing ground surface along the contour of symbols printed on the sign.
An afterglowing sign comprising a background surface, the background surface comprising:
- at least one symbol and a background area,
- the at least one symbol comprising afterglowing pigments that afterglow with a first color, wherein the symbol has the first color in a dark environment and a second color in a lighted environment, wherein the symbol is not a screen printing,
- the at least one symbol being defined by a printing in the background area,
- the background area comprising afterglowing pigments that afterglow with a third color, the printing in the background area comprising a screen print using opaque or transparent ink printed on the afterglowing pigments in the background area, wherein the background area has the third color in a dark environment and a fourth color in a lighted environment,
- wherein the first and third colors are different colors, and wherein the second and fourth colors are different,
- the at least one symbol being visible in a lighted environment and visible in a dark environment, the second color being visible in a lighted environment, the first color being visible in a dark environment,
- the background area being visible in a lighted environment and visible in a dark environment, the fourth color being visible in a lighted environment, the third color being visible in a dark environment.
4 more elements
An afterglowing sign comprising a background surface, the background surface comprising:
- at least one symbol and a background area,
- the at least one symbol comprising a printing with afterglowing pigments that afterglow with a first color, wherein the symbol printing has the first color in a dark environment and a second color in a lighted environment,
- the at least one symbol being defined by a printing in the background area, wherein the printing is not a screen printing,
- the printing in the background area comprising a printing with afterglowing pigments that afterglow with a third color and a screen print using opaque or transparent ink printed on the printing with afterglowing pigments in the background area, wherein the printing in the background area has the third color in a dark environment and a fourth color in a lighted environment,
- wherein the first and third colors are different colors, and wherein the second and fourth colors are different,
- the at least one symbol being visible in a lighted environment and visible in a dark environment, the second color being visible in a lighted environment, the first color being visible in a dark environment,
- the background area being visible in a lighted environment and visible in a dark environment, the fourth color being visible in a lighted environment, the third color being visible in a dark environment.
4 more elements
Dependencies are inferred from the claim text.