MTP4435B - An optical effect device
- Google Patents
An optical effect device
Info
Publication number
MTP4435B
MTP4435BMT4435AMTP4435AMTP4435BMT P4435 BMTP4435 BMT P4435BMT 4435 AMT4435 AMT 4435AMT P4435 AMTP4435 AMT P4435AMT P4435 BMTP4435 BMT P4435B
Authority
MT
Malta
Prior art keywords
facet
effect device
optical effect
structures
substrate
Prior art date
Application number
MT4435A
Inventor
Ivan Jolic Karlo
Original Assignee
Ccl Secure Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ccl Secure Pty LtdfiledCriticalCcl Secure Pty Ltd
Priority to MT4435ApriorityCriticalpatent/MTP4435B/en
Publication of MTP4435BpublicationCriticalpatent/MTP4435B/en
An optical-effect device (300) comprising: a substrate (302) having a first surface (304) and a second surface (306); a plurality of structures (308) arranged on the first surface (304), each structure (308) having a first facet (310) and a second facet (314), the first facet (310) of each structure (308) being substantially parallel to the first surface (304) of the substrate (302), the second facet (314) of each structure (308) defining a slope with respect to the first surface (304), and the first facets (310)of the plurality of structures (308) forming a first facet set. The first facet set defines a first optical effect device (300) is viewed from a first viewing angle range.
Optical systems and methods for eye tracking based on redirecting light from eye using an optical arrangement associated with a light-guide optical element