diff --git a/lib/obp60task/platformio.ini b/lib/obp60task/platformio.ini
index 43b94ea..7e84fec 100644
--- a/lib/obp60task/platformio.ini
+++ b/lib/obp60task/platformio.ini
@@ -43,16 +43,17 @@ lib_deps =
     adafruit/Adafruit FRAM I2C@2.0.3
 build_flags=
     #https://thingpulse.com/usb-settings-for-logging-with-the-esp32-s3-in-platformio/?srsltid=AfmBOopGskbkr4GoeVkNlFaZXe_zXkLceKF6Rn-tmoXABCeAR2vWsdHL
-#    -D CORE_DEBUG_LEVEL=1           #Debug level for CPU core via CDC (seral device)
+#    -D CORE_DEBUG_LEVEL=1           #Debug level for CPU core via CDC (serial device)
 #    -D TIME=$UNIX_TIME              #Set PC time for RTC (only settable via VSC)
     -D DISABLE_DIAGNOSTIC_OUTPUT    #Disable diagnostic output for GxEPD2 lib
     -D BOARD_OBP60S3                #Board OBP60 V2.1 with ESP32S3
 #    -D HARDWARE_V20                 #OBP60 hardware revision V2.0
     -D HARDWARE_V21                 #OBP60 hardware revision V2.1
-#    -D DISPLAY_GDEW042T2            #old E-Ink display from Waveshare, R10 0.47 ohm
-    -D DISPLAY_GDEY042T81           #new E-Ink display from Waveshare, R10 2.2 ohm
-#    -D DISPLAY_GYE042A87            #alternativ E-Ink display from Genyo Optical, R10 2.2 ohm
-#    -D DISPLAY_SE0420NQ04           #alternativ E-Ink display from SID Technology, R10 2.2 ohm
+#    -D DISPLAY_GDEW042T2            #old E-Ink display from GoodDisplay (Waveshare), R10 0.47 ohm - very good
+    -D DISPLAY_GDEY042T81           #new E-Ink display from GoodDisplay (Waveshare), R10 2.2 ohm - good (contast lost by shunshine)
+#    -D DISPLAY_GYE042A87            #alternativ E-Ink display from Genyo Optical, R10 2.2 ohm - medium 
+#    -D DISPLAY_SE0420NQ04           #alternativ E-Ink display from SID Technology, R10 2.2 ohm - bad (burn in effects)
+#    -D DISPLAY_ZJY400300-042CAAMFGN #alternativ E-Ink display from ZZE Technology, R10 2.2 ohm - very good
     ${env.build_flags}
 #CONFIG_ESP_TASK_WDT_TIMEOUT_S = 10 #Task Watchdog timeout period (seconds) [1...60] 5 default
 upload_port = /dev/ttyACM0          #OBP60 download via USB-C direct
@@ -96,7 +97,8 @@ build_flags=
     -D DISABLE_DIAGNOSTIC_OUTPUT    #Disable diagnostic output for GxEPD2 lib
     -D BOARD_OBP40S3                #Board OBP40 with ESP32S3
     -D HARDWARE_V10                 #OBP40 hardware revision V1.0 SKU:DIE07300S V1.1 (CrowPanel 4.2)
-    -D DISPLAY_GDEY042T81           #new E-Ink display from Waveshare, R10 2.2 ohm
+    -D DISPLAY_GDEY042T81           #new E-Ink display from Good Display (Waveshare), R10 2.2 ohm - good (contast lost by shunshine)
+    #-D DISPLAY_ZJY400300-042CAAMFGN #alternativ E-Ink display from ZZE Technology, R10 2.2 ohm - very good   
     #-D LIPO_ACCU_1200               #Hardware extension, LiPo accu 3,7V 1200mAh
     #-D VOLTAGE_SENSOR               #Hardware extension, LiPo voltage sensor with two resistors
     ${env.build_flags}