128x64 Dot Matrix LCD Display Module - RG12864E - Raystar

128x64 Dot Matrix LCD Display Module Graphic COB 2.93-inch (NT7107/NT7108 IC)

Model No. RG12864E

The RG12864E is a 2.93-inch 128×64 dot matrix LCD display module with COB structure, designed for versatile embedded and industrial applications. Featuring a 1/64 duty cycle, LED backlight, and NT7107/NT7108 controller ICs, this display ensures stable operation with a standard 68-series parallel interface, making it easy to integrate into various systems.

Built for durability, the RG12864E operates within a wide temperature range of -20°C to +70°C and supports a supply voltage of 5.0V for logic. Its compact size, robust design, and long backlight lifetime make it an excellent solution for control panels, handheld devices, and embedded applications requiring a reliable 128×64 dot matrix LCD display module.

If you need technical support or product quotes for the RG12864E or other 128×64 dot matrix LCD displays, please feel free to contact our sales team!

Data Source Ref: RG12864E-BIW-V

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General Specs
Interface Pin Function
Contour Drawing
Absolute Maximum Ratings
Electrical Characteristics

Item	Dimension	Unit
Structure	COB
Size (Diagonal)	2.93	inch
Dot Matrix / Resolution	128 × 64	dots
Module Dimension	113.0 × 53.0 × 13.6 (MAX)	mm
Viewing Area	72.0 × 40.0	mm
Active Area	66.52 × 33.24	mm
Mounting Hole	88.0 × 65.0	mm
Dot / Pixel Size	0.48 × 0.48	mm
Dot / Pixel Pitch	0.52 × 0.52	mm
IC	NT7107,NT7108
Interface	6800
Power Supply	5V Negative voltage built-in
Duty	1/64 duty cycle
Type	Graphic LCD Display

68-Series Parallel Interface

Pin No.	Symbol	Level	Description
1	V_SS	0V	Ground
2	V_DD	5.0V	Supply voltage for logic
3	V_O	(Variable)	Operating voltage for LCD
4	D/I	H/L	H: Data , L : Instruction
5	R/W	H/L	H: Read (Module --> MPU) L: Write(MPU --> Module)
6	E	H	Enable signal
7	DB0	H/L	Data bus line
8	DB1	H/L	Data bus line
9	DB2	H/L	Data bus line
10	DB3	H/L	Data bus line
11	DB4	H/L	Data bus line
12	DB5	H/L	Data bus line
13	DB6	H/L	Data bus line
14	DB7	H/L	Data bus line
15	CS1	H	Select Column 1~ Column 64
16	CS2	H	Select Column 65~ Column 128
17	/RES	L	Reset signal
18	V_EE	-	Negative Voltage Output
19	A	-	Power Supply for LED backlight ( + )
20	K	-	Power Supply for LED backlight ( - )

Module Outline & Mounting Details

128x64 Dot Matrix LCD Display Module - RG12864E Contour Drawing - Raystar

Operating & Storage Temperature Range

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	-	+70	℃
Storage Temperature	TST	-30	-	+80	℃
Supply Voltage For Logic	VDD-VSS	-0.3	-	7.0	V
Supply Voltage For LCD	VLCD	VEE-0.3	-	VDD+0.3	V

Logic Supply Voltage & Input Levels

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Logic	VDD-VSS	-	4.5	5.0	5.5	V
Supply Voltage For LCD	VDD-V0	Ta=-20℃	-	-	10.8	V
		Ta=25℃	8.5	8.75	9.0	V
		Ta=70℃	7.5	-	-	V
Input High Volt	VIH	-	0.7 VDD	-	VDD	V
Input Low Volt	VIL	-	0	-	0.8	V
Output High Volt	VOH	-	2.4	-	-	V
Output Low Volt	VOL	-	-	-	0.4	V
Supply Current	IDD	VDD=5.0V	-	8.28	-	mA