4. Optics: image projectors
  5. Lens support
  6. Lens position adjustable

Ho Lu

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Liquid crystal display projector with a lens shading device...

Optics: image projectors – Lens support – Lens position adjustable
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Optical projection system and method

Optics: image projectors – Polarizer or interference filter
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Optical projection system and method

Optics: image projectors – Composite projected image – Multicolor picture
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