Clara 2E Dead pixels

jgray · 05-05-2023, 06:36 AM

After a week with my new 2E, I noticed two dead pixels on the screen. I didn't notice them earlier, because they only show up when that part of the screen is black. I tried refreshing the screen, displaying black, then white images, a power cycle, nothing helped.

At 300 ppi, it's probably more than just single pixels, as they both are quite noticeable with a black background. In fact, one of the two looks larger and whiter than the other.

So, it's on it's way back to Amazon for a replacement. BTW, I noticed that Amazon dropped the price $20 in the past week. I got them to give me a $20 credit.

I have owned several e-ink readers over the years. This is the first time I've seen dead pixels on one. This used to be common on LCD screens, back in the day. Has anyone else had dead pixels on an e-ink screen?

meeera · 05-05-2023, 10:26 AM

Do you mean they are bright spots? Do they show when the frontlight is off? Some of the earlier frontlit devices particularly would show a bright spot where there was damage to or a defect of the light guide.

jgray · 05-06-2023, 07:34 PM

Quote:

Originally Posted by meeera

Do you mean they are bright spots? Do they show when the frontlight is off? Some of the earlier frontlit devices particularly would show a bright spot where there was damage to or a defect of the light guide.

Yes, bright spots. It wasn't the light, as they showed while sleeping.

The problem is now solved. I shipped the bad one off yesterday, and today I have the replacement. The screen is perfect.

05-05-2023, 06:36 AM	#1
jgray Fanatic Posts: 554 Karma: 2928497 Join Date: Mar 2008 Device: Clara 2E & Sage	Dead pixels After a week with my new 2E, I noticed two dead pixels on the screen. I didn't notice them earlier, because they only show up when that part of the screen is black. I tried refreshing the screen, displaying black, then white images, a power cycle, nothing helped. At 300 ppi, it's probably more than just single pixels, as they both are quite noticeable with a black background. In fact, one of the two looks larger and whiter than the other. So, it's on it's way back to Amazon for a replacement. BTW, I noticed that Amazon dropped the price $20 in the past week. I got them to give me a $20 credit. I have owned several e-ink readers over the years. This is the first time I've seen dead pixels on one. This used to be common on LCD screens, back in the day. Has anyone else had dead pixels on an e-ink screen?

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05-05-2023, 10:26 AM	#2
meeera Grand Sorcerer Posts: 5,814 Karma: 68407974 Join Date: Dec 2011 Location: Australia Device: Kobo Libra 2, iPadMini4, iPad4, MBP; support other Kobo/Kindles	Do you mean they are bright spots? Do they show when the frontlight is off? Some of the earlier frontlit devices particularly would show a bright spot where there was damage to or a defect of the light guide.

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