HP 48SX screen annunciator area smear

[auronthas]

(06-05-2016 01:26 AM)striegel Wrote:  Is this common? Do others have this? I've read complaints about the contrast of the screens of the 48S and 48SX, but I don't think this is related.

Hi, I am newbie and sorry to bring up this post. I have mine 48SX since early 90s during college year, having the similar LCD 'bleed' on some of icons (shift, alpha) on first row. The LCD screen turn fade and dim over time.

My question is if changing polarized/silver coating thin film will improve the LCD screen or I need to get a similar or equivalent LCD screen i.e. 39G/49G ? Appreciate some advise from you. Thanks in advance.