UPDATE:LG Technicians promptly visited my place just a few minutes ago.
Not the most impressive service vehicle but who cares as long as they still provide *excellent* customer service and *REAL* AFTER SALES (and not just pure claims/branding/marketing of AFTER SALES service).
Anyway, initially, with the TV off, I showed them that the TV was still in pristine condition. No scratches/smudges, dents, etc. Even the labels at the bottom were intact and the huge box is just right beside my bed.
When the TV was turned on, the dust were barely visible in the bright light of the room. Turned it off and made the dust more apparent. However, I think I have moved/eroded majority of the dust down for it to be less visible than the first time I saw and tried to wipe it.
Although, there was no point in time that my LCD exceeded, matched or even came close to the amount of dust that's posted in the pictures above. At most, it had much much less dust.. starting to accumulate pa lang and I probably have moved most of it away when I wiped it with soft microfiber cloth.
It seems that they have not encountered dust sitting inside the LCD screen. Well, very mildly visible now that I have moved/eroded most of it. I remember the TSR calling me back yesterday to tell me that, aside from 2 LG Phone Models, they do not have records/reports of LCD TV acquiring dust in between the backlight.
They have taken pictures (I'm not sure though if the quality can be used for any purpose) and copied the details of my receipt. They told me if it's alright for them to replace the entire panel but retaining the case/chassis/bezel. I said, ok lang as long as it will be a permanent fix. I don't want you guys to be hassled with the same issue every three months. I wouldn't want this issue to happen when my warranty expires din.
I also showed them an LG 22" LCD which sits almost in front of my 37LD460 and did the pure white test to show them how clear white was in my 4 yr old 22". Like all of the LCDs in our home, it did not acquire any dust.
Now my question to you guys is, since all the other old LCDs in our house including the one in the same room does not exhibit dust accumulation, could replacing the panel (retaining the frame/chassis/bezel) be a permanent fix?
TIA!