Invention Grant
- Patent Title: Color distribution in exit pupil expanders
- Patent Title (中): 出院瞳孔扩张器的颜色分布
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Application No.: US13594060Application Date: 2012-08-24
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Publication No.: US08547638B2Publication Date: 2013-10-01
- Inventor: Tapani Levola
- Applicant: Tapani Levola
- Applicant Address: FI Espoo
- Assignee: Nokia Corporation
- Current Assignee: Nokia Corporation
- Current Assignee Address: FI Espoo
- Agency: Alston & Bird LLP
- Main IPC: G02B5/18
- IPC: G02B5/18
Abstract:
The specification and drawings present a new apparatus and method for providing color separation in an exit pupil expander system that uses a plurality of diffractive elements for expanding the exit pupil of a display in an electronic device for viewing by introducing a selectively absorbing area or areas in the exit pupil expander.
Public/Granted literature
- US20120320460A1 COLOR DISTRIBUTION IN EXIT PUPIL EXPANDERS Public/Granted day:2012-12-20
Information query
