This part is a kind of semiconductor called DFR0009.
Function of this product has LCD Shield.
Manufacturers : DFRobot
Image and pinout :

Some of the text within the PDF file :
www.domko.ru www.electronshik.ru DFRobot LCD Shield For Arduino (SKU: DFR0009) Introduction This is a very popular LCD Keypad shield for Arduino or Freeduino board. It can be directly plug onto the Arduino board, no soldering or fly-wiring needed. A 16x2 HD44780 compatible LCD, White character & Blue backlight. This Shield uses Arduino LCD4Bit library. Specification LCD Shield V1.0 LCD Shield 2009 (Older Version) Documents • • • • Manual LCD4Bit Library Schematics LCD Datasheet [ ... ]
DFR0009 PDF Datasheet Download
