I don't think so. They were identified so long ago as LED bezels.
Kyle,
I'm sure you (and plenty of other folks) know this stuff better than me. I'm not the type who wants to do the research. All I do is copy the smart guys whose tutorials make it all look easy.
Still I wanna press this just to be a jerk. Forgive me.
So, these 3 pics are of the screen used Obi-saber.
In that middle view the bezel appears to have no step as you said in your 1st post. In the left and right images there appears to be a bit of glue residue above and below the bezel. Also, in the left most image I see what looks like a phillips-head screw through the 'lens'.
And this is your stuff.
Sweet, clean, idealized. Your bezel floats a bit rather than conforming to the shape of the tube, as does the original, but the step is thick compared with the screen shots above. Also you are concerned that it is too close to the etched line.
Conforming the bezel of the LED holder would be a task requiring a high level of precision with a set of needle files, and more patience than I can imagine.
With these cone washers, and I'll admit I don't know if they are even the right size, the step is smaller to start with plus it could even be sanded off completely reducing the diameter if indeed it were too large.
We used to have a saying where I worked: "
You have to be smarter than the tool you are operating", and sandpaper is about as complex a tool as I can manage most days.
The same efforts could easily reshape the underside making it conform to the curve of the tube. The rest is corrected by drilling out the inner ring. (maybe even do that part first)
Last to attach it you fill the thing with clear RTV, clamp it in place over a screw then when it's dry clean it up by shaving off the excess residue with a razor. The RTV also allows the cone to be adjusted a bit to get it further away from the etched line if need be.
If it turns out that the LED actually lights up in the movies, it's not like it'd be impossible to mount an LED under the cone washer either.
I'm not looking to argue whether it's an already known fact that LFL used LED holders. If it is, then it is. I'm just describing a way I might try to replicate what I see in those screen used pix, were I ever so motivated.