4. Optics: image projectors
  5. Composite projected image
  6. Multicolor picture

Chang-Wan Hong

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Apparatus for image projecting having a matrix type of...

Optics: image projectors – Composite projected image – Multicolor picture
Reexamination Certificate

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Plasma display panel enhancing a bright room contrast

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate

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Plasma display panel with improved brightness and contrast

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate

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Plasma display panel with light guides for improving contrast

Electric lamp and discharge devices – With optical device or special ray transmissive envelope
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2862907

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