About this item: 1.77 Inch TFT LCD Display SFTO177JY-7189AN
Upgrade your devices with the 1.77 Inch TFT LCD Display from
Shenzhen Saef Technology, a leading TFT display manufacturer.
Designed for versatility and performance, this high-resolution TFT
screen is perfect for a wide range of applications, from wearable
devices to consumer electronics and IoT display solutions.
Key Features
- High-Resolution TFT Screen: Enjoy crisp, clear visuals with a
128*160 resolution display that delivers exceptional image quality,
ideal for smartwatches, fitness trackers, and portable gadgets.
- Low Power Consumption TFT LCD: Optimized for energy efficiency,
this display ensures extended battery life, making it perfect for
IoT devices and other power-sensitive applications.
- Custom TFT Display for Industrial Use: Tailored to meet the demands
of industrial environments, our displays are durable, reliable, and
customizable to fit your specific needs.
- Best Price TFT LCD for USA Market: We offer competitive pricing
without compromising on quality, making our products an excellent
choice for cost-conscious buyers in the USA.
Applications
- Wearable Devices: Compact and lightweight, our 1.77-inch TFT LCD display is ideal
for smartwatches, fitness trackers, and other wearable technology.
- Consumer Electronics: Enhance your portable devices, gaming gadgets, and home appliances
with a high-resolution screen that delivers stunning visuals.
IoT Solutions: Our low-power consumption displays are perfect for connected
devices, ensuring long-lasting performance and reliability.
Industrial Use: Customizable and built to withstand harsh conditions, our displays
are trusted by industrial equipment manufacturers worldwide.
Why Choose Shenzhen Saef Technology?
As a trusted TFT display manufacturer, we are committed to
delivering high-quality products that meet the needs of our global
customers. Our 1.77 Inch TFT LCD Display is designed with precision
and engineered for performance, making it the perfect choice for
your next project.
Explore Our Full Range
In addition to the 1.77-inch display, we offer a wide range of TFT
LCD displays, OLED modules, and custom display solutions to meet
your unique requirements. Visit our website to learn more about our
products and services.
Contact Us Today!
Whether you need a standard product or a custom solution, our team
is ready to assist. Let’s bring your ideas to life with
cutting-edge display technology.
Shenzhen Saef Technology Ltd. – Your Trusted Partner in Display Innovation.
Features
| Item | Specification |
| Display Mode | Normally Black, Transmissive |
| Viewing Direction | 12 o'clock |
| Colors | 262K |
| Drive IC | ST7735 |
| Interface Type | 4 Line SPI |
| Dimensional Outline | 34.00(W) x 42.94(H) x 2.28(T) mm |
| LCD Active Area | 28.032(W) x 35.04(H) mm |
| Resolution | 128 RGB(H) x 160(V) pixels |
| Pixel Pitch | 0.219(W) x 0.219(H) mm |
Outline Drawing
Interface Pin Description
Pin.No | Symbol | Description |
| 1 | NC | No connection |
| 2 | GND | Ground |
| 3 | LEDK | Cathode of Backlight |
| 4 | LEDA | Anode of Backlight (3.0V-3.4V) |
| 5 | GND | Ground |
| 6 | RESET | LCM Reset pin |
7 |
D/C | Register select pin D/C=’ 1’ : Display data. D/C=’0’ : Command data. |
| 8 | SDA | Serial data input / output. |
| 9 | SCL | Serial clock pin. |
| 10 | VCC | Power supply for Analog(2.8V-3.3V) |
| 11 | IOVCC | Power supply for interface( 1.8V-3.3V) |
| 12 | CS | Chip select pin(“Low” enable) |
| 13 | GND | Ground |
| 14 | NC | No connection |
Schematic Diagram
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
| Logic Supply Voltage | IOVCC | -0.3 | 4.6 | V |
| Analog Supply Voltage | VCC | -0.3 | 4.6 | V |
| Operating temperature | Top | -20 | 70 | ℃ |
| Storage temperature | Tst | -30 | 80 | ℃ |
| Humidity | RH | -- | 90%(Max60C) | RH |
Electrical Characteristics
| Parameter | Symbol | Min | Typ | Max | Unit |
| Logic Supply Voltage | IOVCC | 1.65 | 1.8/2.8 | 3.3 | V |
| Analog Supply Voltage | VCC | 2.6 | 2.8 | 3.3 | -- |
| Input Current | Idd | -- | 20 | -- | mA |
Backlight Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| Forward Voltage | Vf | 3.0 | 3.2 | 3.4 | V |
| Forward Current | If | -- | 80 | -- | mA |
| Operating Life Time | -- | -- | 40000 | -- | Hrs |
Optical Characteristics
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
| Response time | Tr+Tf | θ = 0° | - | 30 | 60 | ms |
| Contrast ratio | CR | θ = 0° | 200 | 300 | - | |
Viewing angle | Top | CR≧10 | 40 | 45 | - | deg. |
| Bottom | CR≧10 | 15 | 20 | - |
| Left | CR≧10 | 40 | 45 | - |
| Right | CR≧10 | 40 | 45 | - |
CF Color chromaticity(CIE)
| Wx |
θ = 0° |
-0.02 | 0.308 |
+0.02 | |
| Wy | 0.327 |
| Rx | 0.610 |
| Ry | 0.329 |
| Gx | 0.299 |
| Gy | 0.567 |
| Bx | 0.143 |
| By | 0.111 |
| Cross talk | ct | | | | 2% | |
| Transmittance | Trans | | 6.21% | 6.9% | - | |
Product Photo
Environmental / Reliability Tests
| No | Test Item | Condition | Remarks |
| 1 | High Temperature Operation | Ts= +80℃ , 240hrs | Note 1 IEC60068-2-2, GB2423. 2-89 |
| 2 | Low Temperature Operation | Ta= -30℃ , 240hrs | Note 2 IEC60068-2-1 GB2423.1-89 |
| 3 | High Temperature Storage | Ta= +80℃ , 240hrs | IEC60068-2-2 GB2423. 2-89 |
| 4 | Low Temperature Storage | Ta= -30℃ , 240hrs | IEC60068-2-1 GB/T2423.1-89 |
| 5 | High Temperature & Humidity Storage | Ta= +60℃ , 90% RH max, 160 hours | IEC60068-2-3 GB/T2423.3-2006 |
| 6 | Thermal Shock (Non-operation) | -30℃ 30 min ~ +80℃ 30 min Change time: 5min, 30 Cycle | Start with cold temperature, end with high temperature IEC60068-2-14, GB2423.22-87 |
7 | Electro Static Discharge (Operation) | C=150pF, R=330 Ω , 5 points/panel Air:±8KV, 5 times; Contact: ±4KV, 5 times; (Environment: 15℃ ~ 35℃ , 30% ~ 60%, 86Kpa ~ 106Kpa) | IEC61000-4-2 GB/T17626.2-1998 |
8 |
Vibration (Non-operation) | Frequency range: 10~55Hz, Stroke: 1.mm Sweep: 10Hz~55Hz~10Hz 2 hours for each direction of X .Y. Z. (package condition) | IEC60068-2-6 GB/T2423.5-1995 |
| 9 | Shock (Non-operation) | 60G 6ms, ± X, ±Y , ± Z 3 times for each direction | IEC60068-2-27 GB/T2423.5-1995 |
| 10 | Package Drop Test | Height: 80 cm, 1 corner, 3 edges, 6 surfaces | IEC60068-2-32 GB/T2423.8-1995 |
