hi
dont use CD4050.
The display interface is serial, it just needs 5 wires (CS, DC, SCK, RST, SDI) for controlling.
LCD_CS -- ChipSelect any Digital Pin
LCD_DC -- Data/Command any Digital Pin
LCD_SCK -- SPCK-D13
LCD_Reset -- Reset any Digital Pin
LCD_SDI(MOSI) -- SDI/SDA (Serial Data Input) MOSI-D11
LCD_SDO(MISO) -- SDO/SDA (Serial Data Output) MISO-D12 for SDCard
LCD_Led -- any Digital Pin Or any PWM Pin Or 3.3V maximum Power Supply Pin
but i am not sure Vcc is 5v. You must try 3.3v first
U can use Analog pin like Digital PIN