238000000926 separation method Methods 0.000 claims description 7.239000011358 absorbing material Substances 0.000 claims description 13.238000005859 coupling reaction Methods 0.000 claims description 29.238000010168 coupling process Methods 0.000 claims description 29.210000001747 Pupil Anatomy 0.000 title claims abstract description 51.Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links ASSIGNMENT OF SECURITY INTEREST IN PATENTS Assignors: JPMORGAN CHASE BANK, N.A. PATENT SECURITY AGREEMENT Assignors: MAGIC LEAP, INC., MENTOR ACQUISITION ONE, LLC, MOLECULAR IMPRINTS, INC. Assignors: NOKIA TECHNOLOGIES OY Assigned to JP MORGAN CHASE BANK, N.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NOKIA TECHNOLGIES LTD Assigned to MAGIC LEAP, INC. Assignors: NOKIA CORPORATION Assigned to MAGIC LEAP, INC. Assignors: LEVOLA, TAPANI Publication of US20110096401A1 publication Critical patent/US20110096401A1/en Application granted granted Critical Publication of US8314993B2 publication Critical patent/US8314993B2/en Assigned to NOKIA TECHNOLOGIES OY reassignment NOKIA TECHNOLOGIES OY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to IBPCT/IB2006/001456 priority Critical Priority to WOPCT/IB2006/001456 priority Priority to PCT/IB2006/001456 priority patent/WO2007141588A1/en Application filed by Nokia Oyj filed Critical Nokia Oyj Priority to PCT/IB2007/000875 priority patent/WO2007141606A2/en Assigned to NOKIA CORPORATION reassignment NOKIA CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Nokia Oyj 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 or warranty as to the accuracy of the list.) ( en Inventor Tapani Levola Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active, expires Application number US12/227,730 Other versions US20110096401A1 Google Patents Split exit pupil expanderÄownload PDF Info Publication number US8314993B2 US8314993B2 US12/227,730 US22773007A US8314993B2 US 8314993 B2 US8314993 B2 US 8314993B2 US 22773007 A US22773007 A US 22773007A US 8314993 B2 US8314993 B2 US 8314993B2 Authority US United States Prior art keywords diffractive elements disposed parts line separates Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US8314993B2 - Split exit pupil expander
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