Invention Grant
- Patent Title: Optical projection subsystem
- Patent Title (中): 光学投影子系统
-
Application No.: US11831307Application Date: 2007-07-31
-
Publication No.: US07901083B2Publication Date: 2011-03-08
- Inventor: Patrick R. Destain , Jennifer L. Grace , John E. Duncan , Tomasz A. Pol , William E. Phillips, III , Michael W. O'Keefe , Alexander Glinski , Stephen J. Willett
- Applicant: Patrick R. Destain , Jennifer L. Grace , John E. Duncan , Tomasz A. Pol , William E. Phillips, III , Michael W. O'Keefe , Alexander Glinski , Stephen J. Willett
- 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 Kristofor L. Storvick
- Main IPC: G02B21/36
- IPC: G02B21/36 ; G02F1/1335
Abstract:
A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides a projection beam having a luminous flux level. The projection subsystem has a portability efficacy.
Public/Granted literature
- US20080049190A1 OPTICAL PROJECTION SUBSYSTEM Public/Granted day:2008-02-28
Information query
