Limited play optical devices with interstitial reactive layer and methods of making same

An optical media comprising:

• a substrate, wherein said substrate includes information encoding features encoded therein;
• a reactive layer, wherein said reactive layer transforms from a substantially transparent state to a state that interferes with the passage of light in response to predefined stimulus, said reactive layer comprising:
• a reactive material, wherein said reactive material has a first state that is substantially unreactive with said predefined stimulus;
• and
• a second state that is substantially reactive with said predefined stimulus;
• wherein
• said first state comprises at least one blocked dye derived by the reduction of a dye selected from azines, oxazines, thiazines, and combinations thereof;
• and said second state comprises said at least one blocked dye unblocked;
• wherein
• said at least one blocked dye derived by the reduction of a dye having the formula (I):
• wherein
• Y+ represents O+, S+, or N+R12, wherein R12 is selected from hydrogen, alkyl, or aryl groups;
• Z is selected from NR9R10, OR11, hydrogen, alkyl, aryl, azo, or fused aromatic components;
• R1, R2, R3, R4, R5, and R6 each independently is selected from hydrogen, alkyl, aryl, nitro, or fused aromatic groups;
• R7, R8, R9, R10, and R11 each independently is selected from hydrogen, alkyl or aryl groups;
• and
• X− represents a halogen or other suitable anion;
• wherein said optical media further comprises a second dye anywhere along the optical path traversed by the optical media reading laser, wherein said second dye has an absorbance maximum that does not overlap the absorbance maximum upon oxidization of said at least one reduced dye.

A reactive agent that transforms from a substantially transparent state to a state that interferes with the passage of light in response to predefined stimulus, said reactive agent comprising:

• a reactive material, wherein said reactive material has a first state comprising at least one blocked leuco dye that is substantially unreactive with said predefined stimulus;
• and
• a second state comprising said at least one blocked leuco dye unblocked that is substantially reactive with said predefined stimulus;
• wherein
• said first state comprises at least one blocked dye derived by the reduction of a dye selected from azines, oxazines, thiazines, and combinations thereof;
• and said second state comprises said at least one blocked dye unblocked;
• wherein
• said first state comprises at least one blocked dye derived by the reduction of a dye having the formula (I):
• wherein
• Y+ represents O+, S+, or N+R12, wherein R12 is selected from hydrogen, alkyl, or aryl groups;
• Z is selected from NR9R10, OR11, hydrogen, alkyl, aryl, azo, or fused aromatic components;
• R1, R2, R3, R4, R5, and R6 each independently is selected from hydrogen, alkyl, aryl, nitro, or fused aromatic groups;
• R7, R8, R9, R10, and R11 each independently is selected from hydrogen, alkyl or aryl groups;
• and
• X− represents a halogen or other suitable anion;
• wherein said reactive agent further comprises a carrier material.

An optical media comprising:

• a first substrate and a second substrate, wherein at least one of said first substrate and said second substrate has information encoding features;
• a bonding layer between said first substrate and said second substrate;
• wherein said bonding layer transforms from a transparent state to a state that interferes with the passage of light and comprises:
• a carrier material, wherein said carrier material comprises at least one of thermoplastic acrylic polymers, polyester resins, epoxy resins, polythiolenes, ultraviolet cured organic resins, polyurethanes, thermosettable acrylic polymers, alkyds, vinyl resins, and combinations thereof;
• and
• a reactive material, wherein said reactive material comprises at least one blocked dye derived by the reduction of a dye selected from azines, oxazines, thiazines, and combinations thereof.