240x128 Graphic LCD Module 4.82-inch COB - RG240128B - Raystar

240x128 Graphic LCD Display Module 4.82-inch COB (RA6963 IC)

Model No. RG240128B

The RG240128B is a 4.82-inch lcd 240x128 graphic display module designed for industrial and embedded applications. This 240x128 graphic LCD offers stable performance and clear visual output. Featuring a module dimension of 144.0 × 104.0 × 14.3 mm and an active area of 107.98 × 57.58 mm, this LCD display 240x128 delivers wide visibility and consistent readability. Equipped with an RA6963 controller IC and an 80-series parallel interface, the glcd 240x128 module supports reliable communication with various host systems, ensuring smooth display performance in demanding environments.

The RG240128B 240x128 LCD module operates within a wide temperature range of –20°C to +70°C and maintains stable logic operation at 5V (typical). With a 1/128 duty ratio, precise dot pitch of 0.45 × 0.45 mm, and low power consumption (typ. 55 mA), this graphic LCD 240x128 is ideal for control panels, measurement instruments, and industrial automation systems requiring long-term stability and high readability.

If you need technical support or product quotes for the RG240128B or other display LCD 240x128 modules, please feel free to contact our sales team!

Data Source Ref: RG240128B-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)	4.82	inch
Dot Matrix / Resolution	240 × 128	dots
Module Dimension	144.0 × 104.0 × 14.3 (MAX)	mm
Viewing Area	114.0 × 64.0	mm
Active Area	107.98 × 57.58	mm
Mounting Hole	138.0 × 97.0	mm
Dot / Pixel Size	0.43 × 0.43	mm
Dot / Pixel Pitch	0.45 × 0.45	mm
IC	RA6963
Interface	8080
Power Supply	Built-in Negative Voltage
Duty	1/128 duty cycle
Type	Graphic LCD Display
Feature	Temperature Compensation Optional

80-series Parallel Interface for gLCD 240x128

Pin No.	Symbol	Level	Description
1	Vss	—	GND
2	Vdd	—	Power supply
3	Vo	—	Power supply for LCD driver
4	C/D	H / L	WR=L , C/D=H : Command Write C/D=L: Data write RD=L , C/D=H : Status Read C/D=L: Data read
5	/RD	L	Data read. Read data from RA6963 when RD = L
6	/WR	L	Data write. Write data into RA6963 when WR = L
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	/CE	L	L : Chip enable
16	/RESET	H / L	H : Normal ; L : Initialize RA6963
17	Vee	—	Negative Voltage output
18	MD2	H / L	H: 32 columns ; L: 40 columns
19	FS1	H / L	Pins for selection of font ; H : 6 * 8 , L : 8 * 8
20	NC	—	No connection

Mechanical Dimensions of The 240x128 LCD Module

240x128 Graphic LCD Module 4.82-inch COB - RG240128B Contour Drawing - Raystar

Operating Limits for LCD 240x128

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

Power and Signal Parameters of the gLCD 240x128

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℃ Ta=25℃ Ta=70℃	－ 18.9 17.8	－ 19.5 －	21.6 20.1 －	V V V
Input High Volt	VIH	－	0.8VDD	－	VDD	V
Input Low Volt	VIL	－	0	－	0.15 VDD	V
Output High Volt	VOH	－	VDD-0.3	－	VDD	V
Output Low Volt	VOL	－	0	－	0.3	V
Supply Current	IDD	－	42.0	55.0	60.0	mA