Best 40" / 42" screen for PC use

I have a Samsung LN40A650 that I use with my computer setup, but find that the image is not as sharp as I'd like it to be. Don't know if it's this specific unit, or the nature of LCD TVs used for PCs.

My understanding is that LCD TVs kind-of cut corners on pixel "construction".

A high-quality RGB monitor will have stripes thus:

RGBRGBRGBRGB
RGBRGBRGBRGB
RGBRGBRGBRGB

Where all the subpixels are the same size, and each subpixel has its own transistor.

But LCD TVs may do something like this:

BGRGBGBRGBGBR
BGRGBGBRGBGBR
BGRGBGBRGBGBR

Where the red subpixel is double width, and the intensity of the "red" of the pixel is averaged across the adjacent pixel.

So, for every R subpixel, there is only one transistor, rather than 2, which cuts the number of transistors required for a LCD panel by 1/6th, saving the manufacturer $$$ (well, more like ¢¢¢).

I imagine there are even CHEAPER panels with this layout:

BGRGBGRGBGRGBGRGBGRGBGR
BGRGBGRGBGRGBGRGBGRGBGR
BGRGBGRGBGRGBGRGBGRGBGR

Where both the B and R subpixels are double width reducing the number of transistors even further.

I have seen this as an artifact with especially with red "smearing" against white backgrounds.

Since I use the monitor for computing all day, I would like to replace this screen with something that has a pixel mask that is "pure"... separate RGB subpixels for every pixel.

Is information about the 'subpixel layout' or whatever for LCD TV models available?

 

Subpixel diagrams are typically very scarce for TV's, only ways to even try getting any information would be disassemble the TV, find the LCD panel's model number and hope you can find some documentation on certain manufacturer pages (after you do heavy heavy digging, since most of the time these pages are very hard to get to).

Personally PC to TV is rarely a good idea, you complained about sharpness well that's mostly because of the dot pitch and size of the pixels@ that size of a panel add in the TV's own scaler and you can get some nasty results when plugging a PC to a TV.

 

Are you sitting on a couch using the TV a good distance from you or is it at desk? Many people, myself included, think that the dot pitch for a 15.6" 720p monitor is too high to be comfortable. A 40" 1080p display is going to have pixels more than 4 times the size.

Also cutting corners for some TV's isn't super bad, since red has a longer wavelength and you are supposed to be sitting so far away from it.