Invention Grant
- Patent Title: Expanding a pupil using replication
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Application No.: US16866943Application Date: 2020-05-05
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Publication No.: US10989915B2Publication Date: 2021-04-27
- Inventor: Vivek Kumar Thakur , John M. Ferri , Paul L. Rancuret
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Michelle F. Murray; Charles A. Brill; Frank D. Cimino
- Main IPC: G02B27/00
- IPC: G02B27/00 ; G02B27/28 ; G02B27/14 ; F21V8/00 ; G02B27/12

Abstract:
A pupil expansion apparatus includes: a beam splitter, configured to receive light from an optic and to replicate a pupil formed by the optic; and a waveguide, optically coupled to the beam splitter, the waveguide configured to receive light from the beam splitter and further expand the pupil.
Public/Granted literature
- US20200264428A1 EXPANDING A PUPIL USING REPLICATION Public/Granted day:2020-08-20
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