[sdiy] LEDs dying in LCD alphanumeric display

[Graham Atkins]

Sounds like it has electroluminescent backlighting rather than LED.

Graham

On 6 Nov 2011, at 03:43, Adam Inglis wrote:

> Why would the LEDs that backlight my Proteus' 2x16 LCD display  
> slowly die from left to right over the course of a couple of weeks?  
> Seems like an odd failure mode. The LCD works and responds to  
> contrast control. The 5 volt supply for the LED circuit is separate  
> from the LCD supply, but they both measure up fine.
>
> It's one of these...
> http://www.densitron.com/displays/Alphanumeric_LCD.aspx
>
> Can you crack these open and replace the LEDs or do you replace the  
> whole unit?
>
> cheers
> Adam
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