Importance

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Abstract

An optical system for alignment assembly of a field emission display panel comprises an optical lens tube, a lens unit, an image conversion unit and an image processing and display unit. The lens unit has at least two optical lenses corresponding to a first outlet end and a second outlet end of the optical lens tube, respectively. A reflective translucent lens is disposed in the optical lens tube to correspond to the inlet end and the first and second outlet ends. The reflective translucent lens transmits several optical signals generated during alignment of the anode and cathode substrates to the lens unit. The image conversion unit and the image processing and display unit are used to display the image captured by the optical lenses on the same display, thereby accomplishing image capture and alignment reference for reference points of the anode and cathode substrates at different focus depths.

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First Claim