| SHANGHAI FUDAN TECHSUN NEW TECHNOLOGY CO. LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110293858 | SECURITY FILM AND PROCESS FOR PREPARATION THEREOF - Disclosed herein are an anti-counterfeiting film and process for preparation thereof. The anti-counterfeiting film comprises a directional retroreflective layer ( | 12-01-2011 |
| 20110256351 | ANTI-COUNTERFEIT FILM WITH AN AMPHICHROIC PATTERN AND A PREPARATION METHOD THEREOF - An anti-counterfeit film comprising an amphichroic pattern is prepared by (1) mixing a polymerizable liquid crystal material of chiral structure and a photoinitiator, blade-coating the mixture on a base film and then drying; (2) partially exposing the resulting material produced in step (1) using a positioned UV lamp, then drying and exposing in an UV radiation to obtain a desired film. The film prepared by the method has an amphichroic pattern which typically presents a red and green picture when being vertically observed, the original red and green respectively changes into green and blue when being observed at a certain incline angel. The anti-counterfeit film is characterized by obvious color change, easy identification, practicability and convenience, thus facilitating promotion and application. | 10-20-2011 |
| 20110216406 | SHEETING WITH DYNAMIC THREE-DIMENSIONAL IMAGES AND MANUFACTURE DEVICE THEREOF - The present invention relates to a sheet enabling to form dynamic three-dimensional images and a device for preparing thereof. The sheet comprises a base layer ( | 09-08-2011 |
| 20110175345 | SECURITY FILM AND PROCESS FOR PREPARATION THEREOF - Disclosed heroin are an anti-counterfeiting film and a process for preparation thereof. The anti-counterfeiting film comprises a protective layer ( | 07-21-2011 |
