Invention Grant
- Patent Title: Rear-projection display
- Patent Title (中): 背投显示
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Application No.: US13188185Application Date: 2011-07-21
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Publication No.: US08218237B2Publication Date: 2012-07-10
- Inventor: Zhiqiang Liu , Prafulla Masalkar , Karlton Powell
- Applicant: Zhiqiang Liu , Prafulla Masalkar , Karlton Powell
- Applicant Address: US WA Redmond
- Assignee: Microsoft Corporation
- Current Assignee: Microsoft Corporation
- Current Assignee Address: US WA Redmond
- Agency: Alleman Hall McCoy Russell & Tuttle LLP
- Main IPC: G03B21/60
- IPC: G03B21/60

Abstract:
Various embodiments related to rear-projection image display are disclosed. For example, one disclosed embodiment provides a projector for projecting an image and a screen configured to display the image. The screen comprises a filter layer having a light reception side and an image display side. The filter layer includes an array of trapezoidal transmissive elements and an array of trapezoidal absorption elements, where a wider base of each of the trapezoidal transmissive elements faces the light reception side of the filter layer, and where a wider base of each of the trapezoidal absorption elements faces the image display side of the filer layer.
Public/Granted literature
- US20120019789A1 REAR-PROJECTION DISPLAY Public/Granted day:2012-01-26
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