LG forum: LG 42LM671 Bleed

by: algaebloom December 6, 2012 9:01 AM PST

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LG 42LM671 Bleed

by algaebloom - 12/6/12 9:01 AM

Hello LG Forum!

I would greatly appreciate your insights into the backlight bleed on our new 42LM671 (a prettier 42LM670).

The TV being edge-lit, I fully expected bleeding, but I was just struck by how irregular it is. This photo is an approximation of how the eye perceives it in a dark scene/dark room situation:
http://i.imgur.com/kkeHW.jpg

The spot on the top edge, two-thirds to the right, is the most irritating. The glow of the top corners is tolerable, and less pronounced than in the photo, but a sharp decrease in bleed in the very corners keeps throwing you off.

The lower half is almost flawless.

I am very happy with the device apart from this issue, and I am sure they are shipping screens with even stronger bleed. It was manufactured in August (with the serial no. 208WRCY44283, for what it's worth).

How would you say our TV compares to its from siblings from the same series? Do you think a replacement stands a decent chance of having a more regular bleeding pattern? And, out of interest, does anyone know what is happening during lightguide assembly to result in these irregular spots? Are there maybe individual LEDs which are too bright?

Thanks for your thoughts and advice!

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