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About screen abnormalities

Hi

Symptom that the screen of TFT (DT028ATFT) purchased 3 years ago turns
white continuously occurs.
There is also a phenomenon that seems to be burned in. (See the REMOTE
display at the bottom right of the attached photo.)
What are the possible causes above?
Lot defect? Or an abnormality that may happen in the future?
Please give me an answer.

Attachment: 

Replies

engineering_seacomp's picture
engineering_seacomp
August 22, 2019

Hi,

Is this 3 years of continuous use?

Thanks,

RAD's picture
RAD
September 3, 2019

It is not continuous use Total energization time is about one year

RAD's picture
RAD
September 29, 2019

Do you have any answers?

engineering_seacomp's picture
engineering_seacomp
September 30, 2019

Hi,

Please read this white paper on image persistence.

https://drive.google.com/file/d/0Bw39YK4wIhhzaDV0b0RfSFg5cnc/view?usp=sharing

Do off display through ILI9341 when not in use, or do one of the techniques in white paper?

Turning off the backlight is seperate from the ILI9341, and in addition, will affect the screen backlight life.

RAD's picture
RAD
October 1, 2019

Thank you

confirm