Lilygo T5 V2.13 display GDE problem contrast with partial update (pixel black to black)

lewisxhe / Esp-badge

MIT License

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Lilygo T5 V2.13 display GDE problem contrast with partial update (pixel black to black) #19

Open RP6conrad opened 3 years ago

RP6conrad commented 3 years ago

I have an issue with the new e-papers from gde (lib GxDEPG0213BN.h). With partial update, every pixel who has stay black gets grey. I think the LUT for black to black is not optimal. On the picture you see the old e-paper(lib GxGDEH0213B73) and the new. The problem is worse in sunlight. Contrast