Optical security device

Order to provide, width and multifunctional security, a cable protection device, comprising a substrate (10) and at least one first optical text layer (14), the cable protection device capable of providing first, second and third optical detector layer, i.e., wherein the first detecting layer (2), the first optical head of naked eye, wherein the second layer (4), the object can realize the detection tool (26) and; and third layer (6), a (20) by the coding optical detection tool of the encrypted object. First (14) is made to of liquid crystalline polymer material for detention plate, wherein with different preset direction pixel region array.