A multiple responsive effect heat transfer label includes a carrier, and first and second responsive effect design layers. The first responsive effect design layer is positioned on the carrier and the second responsive effect design layer is positioned on the first responsive effect design layer. The first responsive effect design layer is formulated from an ink that changes color when subjected to a first environmental stimulus and the second responsive effect design layer is formulated from an ink that changes color when subjected to a second environmental stimulus different from the first environmental stimulus. The color change of the first responsive design layer is independent of the color change of the second responsive design layer. The first responsive design layer is configured to separate from the carrier and the second responsive design layer separates with the first responsive design layer to define a multiple responsive effect feature adhered to a target object upon application of heat and pressure. A method of providing a durable, multiple responsive effect feature on a target object is also disclosed.

Disclosed is a structure for preventing counterfeit, falsification or reuse, including a metal layer, a photoconversion pattern layer including a plurality of photoconverting nanoparticles formed on the metal layer, a metal pattern layer placed on the metal layer and the photoconversion pattern layer, and an adhesive film placed on the metal pattern layer. Accordingly, the structure for preventing counterfeit, falsification or reuse according to the present disclosure allows a pattern indicating a genuine product to be easily identified with an eye through infrared light irradiation, and is fundamentally impossible to re-assemble after deformation of the structure caused by disassembly of a packaging container, thereby preventing counterfeit, falsification or reuse.

A display body includes a first display part, which displays first information, and a second display part, which displays second information of a larger display size than the first information. The second display part includes the entire first display part as a part of the second display part. The first display part has a plasmon structure. The plasmon structure includes an interface between a metal layer and a dielectric layer, which transmits light, and is configured so that surface plasmons are excited in the interface to change irradiation light with which the interface is irradiated to transmitted light having a color different from that of the irradiation light. The first information is displayed with the transmitted light.

Compositions and related methods for providing fluorescent compositions and their use in products are described. A composition may include an aqueous base and at least one salt compound-quantum dot composite. The composite may be configured such that the composition emits fluorescent light having an identifying characteristic different from a characteristic of a surface against which the identifying characteristic is viewed.

A method of detecting temperature of an electrical terminal. The method includes: applying a material patch to a surface of the electrical terminal, the material patch containing a polymer matrix with a polymeric positive temperature coefficient material which contains a mixture of electrically conductive magnetic particles, whereby the material patch does not appreciably increase the electrical resistance or thermal capacitance of the electrical terminal; and remotely sensing a change in the material patch with an electrically isolated circuit which is external to the electrical terminal to determine if the electrical terminal is operating at a safe temperature to optimize current flow across the electrical terminal.

An arrangement includes a component and a temperature-dependent, first fluorescent dye, which in a first state has a predetermined first color location and in a second state has a predetermined second color location different from the first color location, and which is disposed on the component or integrated in the component in such a way that the luminescent dye, in dependence on a temperature change acting on it, creates an optically recognizable color change from the first color location to the second color location.

This disclosure describes an enhanced temperature validation slide comprising a substrate and a removable label attached to the substrate with an adhesive. In some implementations, the label comprises at least two threshold temperature indicators, a transparent liquid impermeable barrier layer, a designated area for user generated information, an area for displayed information (i.e. a lot number), an area for displayed text or graphics linked to information stored online (i.e. a QR code), and a thermo-chromic visual indicator area. The various implementations of this disclosure may describe a validation slide utilizing any number of the features described above in any combination.

The present invention is directed to an anti-counterfeiting device comprising a first sensor configured to undergo a first user perceptible change in response to a first biologically produced stimulus that emanates directly from a biological source; and a second sensor configured to undergo a second user perceptible change in response to a second biologically produced stimulus that emanates directly from the biological source. The second biologically produced stimulus is different than the first biologically produced stimulus.

An example disclosed media processing device includes an image processing unit; a first optical registration sensor; and a second optical registration sensor spaced apart from the first optical registration sensor along a first axis by a first distance associated with a gap between media units on a web.

A method for marking a product (1) with a photoluminescent mark, said mark comprising a photoluminescent portion (10) which is transparent under normal light conditions and revealed by photoluminescence under UV illumination, said mark further comprising a non photoluminescent portion (9) which is transparent under normal light conditions as well as under UV illumination, said method comprising: deposing on said product a stack, said stack comprising alternatively layers (2, 4), such as AlN, with a thickness of less than 1 micron and layers (3) of a second material, such as GaN, with a thickness of less than 10 nm; raising the transparency of said non photoluminescent portion (10) with a deposition of transparent material (6) or incorporation of ions into said non photoluminescent portions.