STP0177C-128160 Series TFT LCD Panel User Manual

Model No.: STP0177C-128160

Manufacturer: SHENZHEN SURENOO TECHNOLOGY CO.,LTD. (深圳市襄诺科技有限公司)

Product Overview

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A 1.77-inch TFT LCD panel with a resolution of 128x160 pixels, featuring the ST7735S driver and a 10-pin SPI interface. The panel displays an image of the Statue of Liberty.

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Reference Controller Datasheet

TFT LCD Panel Selection Guide

1. General Description

Item	Details
MODEL NO	STP0177C-128160
Display Mode	Transmissive
Display Format	Graphic 128RGB*160 Dot-matrix (128xRGBx160)
Input Data	SPI-4wire interface
Viewing Direction	12 o'clock
Drive	ST7735S

2. Mechanical Specification

Item	Specifications	Unit
Dimensional outline	33.30(W)42.94(H)2.30+/-0.1(T) (FPC not include)	mm
Resolution	128RGB*160	dots
LCD Active area	28.03 (W)*35.04 (H)	mm
Pixel size	0.219(W)*0.219(H)	mm

3. Mechanical Dimension

A technical drawing illustrating the physical dimensions of the STP0177C-128160 TFT LCD panel. It shows the overall outline, active display area, pixel dimensions, and the location of the FPC connector. The drawing also includes a table detailing the pin assignments for the 10-pin connector: 1. LED-K (Backlight Negative), 2. LED-A (Backlight Positive, 3.3V), 3. VCC (System Voltage, 2.8V), 4. TE (Synchronous Data), 5. CS (Chip Select, active low), 6. RESET (Reset Signal), 7. DC (Data/Command, output), 8. SCL (Serial Clock), 9. SDA (Serial Data, input), 10. GND (Ground).

Display mode: normal white.

Viewing direction: 12 o'clock

Driver IC: ST7735S

Operating temperature: -20 to 70 °C.

Storage temperature: -30 to 80 °C.

RoHS compliance.

Backlight circuit schematic: 15mA*2, 3.2V DC.

4. Electrical Maximum Ratings

Item	Symbol	Min	Max	Unit	Note
Supply voltage (IOVCC)	V	1.65	3.3	V	1.8
Supply voltage (VCC)	V	2.5	3.5	V	2.8
Operating temperature	TOPR	-20	70	°C
Storage temperature	TSTR	-30	80	°C

5. Backlight Characteristic

Item	Symbol	Min	Typical	Max	Unit
LED module Forward voltage	VLED	3.0	3.3	3.4	V
LED module current	ILED	-	30	-	mA
LCD Surface Luminance	Ls	150	200	-	Cd/m²
LCM Surface brightness uniform	LD	80	-	-	%

Backlight circuit schematic showing LEDs (LED1, LED2), resistors (R3, R2, R1), and a transistor (Q1, S8050), powered by 3.3V, with a backlight control signal (BL_CTR).

6. Module Function Description

Pin	Symbol	Description
1	LED-K	Backlight Negative
2	LED-A	Backlight Positive (3.3V)
3	VCC	System Voltage (2.8V)
4	TE	Synchronous Data
5	CS	Chip Select, active low
6	RESET	Reset Signal
7	DC	Data/Command Output
8	SCL	Serial Clock
9	SDA	Serial Data Input
10	GND	Ground

7. TFT-LCD Module Characteristics

Type	Symbol	Condition	Min	Typical	Max	Unit
TFT-LCD Module Characteristics	VCC	--	2.5	2.8	3.5	V
	IOVCC	--	1.65	1.8	3.3	V
	Logic Level	VIH	IOVCC=1.8-3.3V	0.8* VIOVCC	--	IOVCC	V
		VIL	VSSI	--	0.2* VIOVCC	V
Operating Current	IDD	VCC=2.8V	--	TBD	--	mA

8. Backlight Characteristics

Type	Symbol	Condition	Min	Typical	Max	Unit
Current	IF	VF=3.2V	--	30	40	mA
Forward Voltage	VF	--	3.0	--	3.4	V
Luminance	Lv	IF=15mA	--	--	--	Cd/m²
Uniformity	ΔΒρ	--	80	--	--	%

9. Response Time & Contrast Ratio

Item	Symbol	Condition	Min	Typical	Max	Unit
Response time	Tr+Tf	θ=0°	-	30	60	ms
Contrast ratio	CR	θ=0°	200	300	-

Graph illustrating the signal transition for response time, showing changes between 'White' and 'Black' states, with rise time (Tr) and fall time (Tf) indicated.

Contrast ratio (CR) formula: CR = Brightness on the "white" state / Brightness on the "black" state

10. Viewing Angle

Item	Symbol	Condition	Min	Typical	Max	Unit
Viewing angle	Top (12 o'clock direction)	CR≥10	20	30	-	Deg.
	Bottom (6 o'clock direction)	CR≥10	40	45	-
	Left (9 o'clock direction)	CR≥10	40	45	-
	Right (3 o'clock direction)	CR≥10	40	45	-

Diagram showing the LCD panel with viewing directions (12, 3, 6, 9 o'clock) and an eye symbol representing the viewer's perspective. Angle θ illustrates deviation from the perpendicular line of sight.

NOTE: The viewing angle directions (3, 6, 9, 12 o'clock) refer to the angle between the line of sight and the perpendicular to the screen surface.

11. Reliability Trial

NO.	ITEM	CONDITION	CRITERION
1	High Temperature Non-Operating Test (高温存储实验)	80°C*120Hrs	No Defect Of Operational Function In Room Temperature Are Allowable (室温运行功能无缺陷)
2	Low Temperature Non-Operating Test (低温存储实验)	-30°C*120Hrs	Allowable
3	High Temperature/Humidity Non Operating Test (高温高湿实验)	60°C90%RH120Hrs	Allowable
4	High Temperature Operating Test (高温工作实验)	70°C *72Hrs	Allowable
5	Low Temperature Operating Test (低温工作实验)	-20°C *72Hrs	Allowable
6	Thermal Shock Test (热冲实验)	-20 °C (30Min) ↔ 70 ℃ (30Min) *10CYCLES	Allowable

12. Inspection Standards

12.1 Glass Defect

NO.	Defect item	Criteria	Remark
1	Dimension Unconformity (Major defect)	By Engineering Drawing
2	Cracks (Major defect)	1. Linear cracks panel 2. Nonlinear crack contrast by limited sample	【Reject】
3	Glass extrude the conductive area (minor defect)	a: disregards and no influence assemblage. 1) b≤1/3Pin width(non bonding area) 2)bonding area≤0.5mm	a: Length, b: Width 【Accept】
4	Pin-side,conductive area damaged (minor defect)	(a c: disregards) b≤1/3of effective length for bonding electrode	a: length, b: Width, c: Thickness 【Accept】
5	Pin-side,non-conductive area damaged (minor defect)	1)Damage area don't touch the ITO (Including contraposition mark, except scribing mark)	a: Length, b: Width c: Thickness 【Accept】
6	Non-pin-side damage (minor defect)	1)b exceeds 1/3Bm cc=T b not touch the seal glue	c: Thickness b: width of damage 【Reject】【Reject】

Diagrams illustrating glass defects: Cracks (major), Glass extrude conductive area (minor), Pin-side conductive area damaged (minor), Pin-side non-conductive area damaged (minor), and Non-pin-side damage (minor), with specific criteria for acceptance or rejection based on dimensions and location.

12.2 LCD Appearance Defect (View Area)

NO.	Defect item	Specification	Allowable	Remark
1	Fiber, glass scratch/folded (minor defect)	W≤0.03mm 0.03mm<W≤0.05mm; L≤3.0mm 0.05mm<W≤0.1mm; L≤3.0mm W>0.1mm;L>3.0mm	disregard 2 1 0	note1: L: Length, W: Width note2: disregard if out of AA
2	Polarizer bubble, concave and convex (minor defect)	≤0.2mm 0.2mm< ≤0.3mm 0.3mm< ≤0.5mm 0.5mm< Φ	disregard 2 1 0	note1: Φ = (L+W)/2, L:Length, W: Width note2:disregard if out of AA
3	Black dots, dirty dots, impurities, eye winker (minor defect)	≤0.15mm 0.15mm<≤0.25mm 0.25mm<≤0.3mm 0.3mm< Φ	disregard 2 1 0	note2:disregard if out of AA
4	Polarizer prick (minor defect)	Φ≤0.1mm 0.1mm<¢ ≤0.25mm Φ >0.25mm	disregard 3 0	note1: Φ = (L+W)/2, L=Length, W=Width note2:the distance between two dots>5mm

Diagrams illustrating LCD appearance defects: Fiber/glass scratch/folded (minor), Polarizer bubble/concave/convex (minor), Black dots/dirty dots/impurities/eye winker (minor), and Polarizer prick (minor), with specifications and allowable limits.

13. Package Method

An illustration showing the packaging process for the LCD modules. It depicts steps involving an empty tray, BPE (Biaxially-oriented Polyethylene Terephthalate) material, EPE (Expanded Polyethylene) foam, placing modules into trays, putting trays into a carton, and sealing the carton with tape.