[vcf-midatlantic] Ideas on replacing a backlighting on a laptop

Neil Cherry ncherry at linuxha.com
Mon Jun 4 14:18:26 EDT 2018

On 06/04/2018 01:59 PM, jakari via vcf-midatlantic wrote:
> On 2018-06-04 09:44, Ethan O'Toole via vcf-midatlantic wrote:
>>> I'd start by looking at the inverter board. From pictures online, it looks
>>> like that laptop uses an blue electroluminescent sheet for the backlight,
>>> not a ccfl like more modern laptops.
>>> -J
>> EL backlighting has a fairly short halflife I believe.
>> Maybe it's possible to get a new sheet of it.
> http://glowhut.com/el-panel/ implies "yes."  It hadn't occurred to me that laptop screens 
> could be EL-lit, I've only see it on small alphanumeric LCDs.
> Still requires a functioning inverter, which I'd guess is the real problem here.  Bad 
> caps, probably.
> (Keenly aware of this after my Thinkpad 600E's backlight inverter gave it up two days 
> before VCF East!)
I've got one of those (TP) also boots fine the first time, shows for a
minute and then poof gone. No screen (unless you shine a very bright
light on it). Dead backlight. That's a project for another day.

Linux Home Automation         Neil Cherry       ncherry at linuxha.com
http://www.linuxha.com/                         Main site
http://linuxha.blogspot.com/                    My HA Blog
Author of:    	Linux Smart Homes For Dummies

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