We use the SiOx evaporating technology in the vertical‐aligned layer process, and the contrast ratio compared to TN mode panel will be enhanced. We assembled the 65″ 1080P LCoS RPTV using CPT‐made panel and optical engine. The contrast ratio of CPT prototype LCoS RPTV is over 3000: 1.
Using inkjet printing to coat alignment film on small size panel is an advanced technology, especially in vertical alignment type display for multimedia purpose. Authors confirm the new process feasibility and tune up optimum parameters. The uniformity of thickness is 5.87%. Inkjet film performance has satisfied requirements of alignment film coating process.
When we use ink-jet technique for production, precise and stable deposition of droplets is a very important concern. Because the position of droplet jetted onto substrate was effected by too many factors even after droplet had been jetted, the positions of droplets from same nozzle are not the same each time. For that reason, we use mathematical tools, regression analysis and least squares method, for adjustment to minimize the effect of position uncertainty.Further more, because all the steps of adjustment are done by program automatically and can be done in minutes, we can put it into production process as an additional closedloop control to improve stability of ink-jet process.
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