3.4 inch round tft lcd touch screen for smart home
1.Features
High PPI
Color Gamut:NTSC 60%(Min.), 65% (Typ.)
Thin Border
RoHS Compliant
2.Application
Smart home/watch/code scanner/face recgonition, etc
3.Optical specifications
The test of optical specifications shall be measured in a dark room (ambient luminance <1lux and temperature=25±2℃)with the equipment of luminance meter system (Goniometer system and CS2000/CA310)and test unit shall be located at an approximate distance 50cm from the LCD surface at a viewing angle of θand Φequal to 0°.We refer to Ø=0 (=θ3)as the 3o’clock direction (the “right”), Ø=90 (=θ12)as the 12o’clock direction (“upward”), Ø=180 (=θ9)as the 9 o’clock direction (“left”)and Ø=270(=θ6)as the 6o’clock direction (“bottom”).While scanning θ
and/or Ø, the center of the measuring spot on the Display surface shall stay fixed.
The backlight should be operating for 30 minutes prior to measuremen