Filter switching module for optical projection system
A switching module and optical projection technology, applied in optics, optical components, installation, etc., can solve problems such as inability to take into account brightness and color accuracy, and achieve the effect of automatically adjusting image output brightness and switching brightness quickly
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0016] The foregoing and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with accompanying drawings.
[0017] Such as figure 1 , 2 As shown in , 3, the preferred embodiment of the filter switching module 200 for the optical projection system of the present invention is applied in the optical projection system 90 used by the projector.
[0018] The optical projection system 90 includes two beam splitters 91, 91', two mirrors 92, 92', three collecting mirrors (Collimator Lens) 93, 93', 93", three polarizing beam splitters (Polarizing BeamSplitter, PBS) 94, 94', 94", three reflective liquid crystal panels (LCOS panel) 95, 95', 95", a prism 96 for combining light, and a projection lens 97.
[0019] In this embodiment, these beam splitters 91, 91' are designed to allow yellow-green light with a wavelength of 505-590 nm to pass through the collector mirror 93, the polar...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com