公开(公告)号：EP3701183A1

公开(公告)日：2020-09-02

申请号：EP17929839.3

申请日：2017-10-27

Applicant: LEIA Inc.

Inventor： FATTAL, David, A.

IPC: F21V8/00 ,  G02B27/22

公开(公告)号：EP3243092A1

公开(公告)日：2017-11-15

申请号：EP15877263.2

申请日：2015-01-10

Applicant: LEIA Inc.

Inventor： FATTAL, David, A.

IPC: G02B6/124

CPC classification number: G02B6/0016 ,  G02B6/0036 ,  G02B6/34 ,  G06F3/0421 ,  G06F3/0428 ,  G06F2203/04109 ,  H04N13/305 ,  H04N2213/001

Abstract: A grating-coupled light guide includes a plate light guide and a grating coupler at an input to the plate light guide. The grating coupler is to receive light from a light source and to diffractively redirect the light into the plate light guide at a non-zero propagation angle as guided light. Characteristics of the grating coupler determine a spread angle of the diffractively redirected guided light.