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RCA developed a lot of stuff that they then never did anything with. Or much with. Liquid crystal displays was one thing that was developed at RCA labs, and then essentially abandoned (except probably patent licensing). And RCA developed CMOS and then they did develop some product (the CD4xxx series of logic chips, and the 1802 microprocessor) but it was other companies that took CMOS to where it is today.
In the late 70's RCA was kicking around the idea of CRTs with the electron gun down below, instead of the usual all the way behind the plane of the display screen. Like the Sony watchman CRTs except with the prospers on the front glass instead of Sony's prospers on the back glass. Would have made for a shallow TV cabinet. Heard that it did work, but RCA just finished building a new regular CRT manufacturing plant, and this new CRT would make that obsolete, so it was shjtcanned...
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