84x84 LCD Display Module Adapter PCB for Nokia 5110

LIGHT linked with GND, the backlight to be lit.
   Need you to compress the screen and PCB tighter, might got loose after the delivery.
   Use a 3.3V controller, otherwise the display could be quite vague.
   LCD5110 Module:
   Power supply voltage: 2.7V-3.3V,5V is OK,but part of the screen becomes black when tested
   Data interface level: 2.7-5V
   Backlight power supply voltage: highest 3.3V
   Module size: 43.6mm x 43.1mm(width X height)
   Installation diameter: 2mm
   Backlight: White
   RST--------- reset?
   CE------------chip selection?
   DC-----------data/commands choice?
   DIN-----------serial data line?
   CLK------------serial Clock Spee
   3.3V------------VCC?
   LIGHT--------- backlight control terminal?
   GND-----------power negative