It's a 40 chars x 4 lines LCD display.
The PCB has a 16 pin connector + 2 pin connector for backlight.
In the rear side the PCB shows several info:
P73-1 (Phico model?)
'Phico D-0 94V-0' (PCB type realted?)
Has 6 chips in the PCB:
4 x KS0063 (80CH SEGMENT DRIVER FOR DOT MATRIX LCD)
2 x KS0076B00 (16COM/40SEG DRIVER & CONTROLLER FOR DOT MATRIX LCD)
One of them, has a sticker that reads:
So, DV-40400 maybe the Datavison model number...