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W0128R15S1CI 1.28 Inch Round LCD

Parameters of 1.28 Inch Round LCD

Size (inch)	Resolution	Model	LCM Dimension (mm)	Active Area (mm)	View	Interface	Brightness (nits)	OP(℃)
1.28	240*240	W0128R15S1CI (Round)	35.6* 38.1*1.56	32.4*32.4	IPS	MCU/SPI	400	-20~70°C

Features of 1.28 Inch Round LCD

W0128R15S1CI

NO.	Item	Contents	Unit
1	LCD Size	1.28	inch
2	Display Mode	Normally black	-
3	Resolution	240(H)RGB×240(V)	pixels
4	Dot pitch	0.135(H)×0.135(V)	mm
5	Active area	032.4	mm
6	Module size	35.6(H)×38.1(V)×1.5(D)	mm
7	Color arrangement	RGB Vtertical stripe	-
8	Interface	8 Bit 8080 MCU	-
9	Drive IC	GC9A01
10	Luminance(cd/m2)	400(TYP)	Cd/m2
11	Viewing Direction	All View	O'Clock
12	Backlight	2 White LED Parallel	-
13	Operating Temp	-20℃~+70℃	℃
14	Storage Temp	-30℃~+80℃	℃
15	Weight	3.2	9

Electrical Characteristics of 1.28 Inch Round LCD

W0128R15S1CI

Absolute Maximum Ratings
Parameter		Symbol		Min		MAX		Unit		Notes
Supply Voltage (I/O)		VDD		-0.3		4.6		V
Analog Supply Voltage		VDDIO		-0.3		4.6		V
Logic Input Voltage		VIN		-0.3		VDDIO+0.3		V
Operation Temperature		Top		-20		70		℃
Storage Temperature		Tst		-30		80		℃
Operating Conditions
Parameter	Symbol		Min		TYP		MAX		Unit	Notes
System Voltage	VDD		2.5		2.8		3.3		V
Interface Operation Voltage	VDDIO		1.65		1.8		3.3		V
Gate Driver High Voltage	VGH		12				13		V
Gate Driver Low Voltage	VGL		-11				-8		V
Operating Current for VDD	lDD				8.5		10.5		mA
Sleep_In Mode VDD	I dd		-		15		30		uA
Sleep_In Mode VDDIO	I ddio		-		5		10		uA
Backlight Unit
Parameter	Symbol		Min		TYP		MAX		Unit	Notes
Voltage for LED backlight	VLED		2.9		3.0		3.1		V
Current for LED backlight	LED		-		40		60		mA	2 LED Parallel
Power Consumption	Pbl		-		120		186		mW	1
Brightness	Lbr		350		400		-		cd/m²	2
LED Life time			20000		-				hr	3

Optical Characteristics of 1.28 Inch Round LCD

W0128R15S1CI

ltem	Symbol	Measuring Conditions		Min.	Typ.	Max	Unit	Remark
Viewing Angle	θ	φ=0	25℃	80	85	-	Deg	Note1
	θ	φ=180°	25℃	80	85	-
	θ	φ=90°	25℃	80	85	-
	θ	φ=270°	25℃	80	85
Brightness	Lbr	--		350	400	-	Cd/m2
Luminancd Uniformity	△L	--	-	70	75	-
Contrast Ratio	CR	--	25℃	900	1100	-	--	Note2
Response Time	Tr+Tf	θ=0° φ=0°	25℃	-	30	35	ms	Note3
Color of CIE Coordinate	White	X	25℃		0.324		-	BM-7A
	White	Y	25℃		0.347
	Red	X	25℃		0.644
	Red	Y	25℃	-0.02	0.333	+0.02
	Green	X	25℃		0.325
	Green	Y	25℃		0.566
	Blue	X	25℃		0.134
	Blue	Y	25℃		0.124
Transmittance (with polarizer)	--	--	--	4.4	4.9	-	%	--

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