Invention Grant
- Patent Title: See-through head mounted display with liquid crystal module for adjusting brightness ration of combined images
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Application No.: US15031855Application Date: 2014-11-05
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Publication No.: US10598933B2Publication Date: 2020-03-24
- Inventor: Andrew J. Ouderkirk
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Robert S. Moshrefzadeh
- International Application: PCT/US2014/064014 WO 20141105
- International Announcement: WO2015/077019 WO 20150528
- Main IPC: G02B27/01
- IPC: G02B27/01 ; G02B5/30 ; G02F1/1335 ; G02B27/10
Abstract:
An optical assembly including first (340) and second (312) polarizers and a liquid crystal module (314) disposed therebetween, with the first and second polarizers making an oblique angle of at least 5 degrees therebetween is disclosed. Optical devices like head mounted displays (300) including the optical assembly are also disclosed.
Public/Granted literature
Information query
