1.77″ High Brightness TFT LCD Module – 128×160 SPI Interface
1.77-inch high brightness TFT LCD display module featuring 128×160 resolution, 6 o’clock viewing direction, and SPI interface. Sunlight-readable design with 50,000-hour high-brightness LED backlight. ST7735S driver IC with portrait orientation and anti-glare surface. Ultra-low power consumption (0.92mA typical). Wide operating temperature range (-20°C to +70°C). Ideal for outdoor wearable devices, portable instruments, smart home devices, and compact HMI applications requiring excellent visibility in bright ambient light.
1.77-Inch High Brightness TFT LCD Module – 128×160 with SPI Interface
This 1.77-inch high brightness TFT LCD module features a 128×160 resolution in portrait orientation, a 6 o’clock viewing direction, and a flexible SPI interface (3-line or 4-line selectable). Engineered with a high brightness backlight for sunlight readability, this display is specifically designed for outdoor wearable devices, portable instruments, smart home devices, and compact HMI applications requiring clear visibility in bright ambient light conditions. The anti-glare surface, ultra-low power consumption (0.92mA typical), and wide operating temperature range (-20°C to +70°C) make it an excellent choice for demanding outdoor and portable applications.
Key Features
- High Brightness & Sunlight Readable – Optimized for outdoor and bright ambient light environments
- Compact Portrait Display – 1.77-inch diagonal with 128×160 resolution for small-form-factor devices
- 6 o’clock Viewing Direction – Optimized for standard viewing positions with 12 o’clock gray scale inversion direction
- Flexible SPI Interface – Selectable 3-line or 4-line SPI via the SPI4W pin for easy MCU integration
- Ultra-Low Power Consumption – Typical 0.92mA LCM current, ideal for battery-powered devices
- Wide Operating Temperature – -20°C to +70°C for demanding environments
- Anti-Glare Surface – Reduces reflections for improved readability in bright light
- Normally White TFT – Bright, clear display with good contrast
- 50,000-Hour High Brightness LED Backlight – Reliable long-life illumination with 40mA typical current
- ST7735S Driver IC – Well-supported driver with readily available libraries
- No Touch Panel – Cost-effective solution for display-only applications
High Brightness & Sunlight Readable Advantage
This display module features a high brightness LED backlight design, delivering exceptional visibility in bright ambient light conditions. Key benefits include:
- Sunlight Readable – Optimized for outdoor and high ambient light environments
- High Brightness Backlight – 40mA typical LED current for maximum luminous output
- Anti-Glare Surface – Minimizes reflections to maintain readability in bright environments
- Low Power Consumption – 0.92mA LCM current and 124mW backlight power for energy-efficient designs
- Compact Portrait Format – Ideal for wearable and handheld outdoor devices
Technical Specifications
| Parameter | Specification |
|---|---|
| Size | 1.77-inch diagonal |
| Dot Matrix | 128 x RGB x 160 |
| Module Dimension | 34.0 x 45.83 x 2.75 mm |
| Active Area | 28.03 x 35.04 mm |
| Dot Pitch | 0.073 x 0.219 mm |
| Aspect Ratio | Portrait |
| LCD Type | TFT, Normally White, Transmissive |
| View Direction | 6 o’clock |
| Gray Scale Inversion Direction | 12 o’clock |
| Interface | SPI (3-line / 4-line selectable) |
| Driver IC | ST7735S or Equivalent |
| Backlight Type | LED, Normally White (High Brightness) |
| Touch Panel | Without Touch Panel |
| Surface Treatment | Anti-Glare |
| Luminance (Brightness) | High Brightness (Sunlight Readable) |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
| Supply Voltage (VCC) | 2.5V ~ 3.7V (Typ. 2.75V) |
| LCM Current (ICC) | 0.92mA (Typ.) |
| LED Voltage (VBL+) | 2.9V ~ 3.4V (Typ. 3.1V) |
| LED Current | 40mA (Typ.) |
| LED Power Consumption | 124mW (Typ.) |
| LED Life Time | 50,000 Hours |
Pin Interface
| Pin | Symbol | I/O | Function |
|---|---|---|---|
| 1 | LED+ | P | Backlight Anode |
| 2 | LED- | P | Backlight Cathode |
| 3 | SPI4W | I | SPI Mode Select (0 = 3-line, 1 = 4-line) |
| 4 | VCC | P | Power Supply |
| 5 | GND | P | Ground |
| 6 | CS | I | Chip Enable (Active Low) |
| 7 | RST | I | Reset Signal (Active Low) |
| 8 | SDA | I/O | Serial Data Input/Output |
| 9 | SCL | I | Serial Clock Input |
| 10 | D/C | I | Data/Command Selection |
Applications
This high brightness TFT LCD module is specifically designed for outdoor, wearable, and portable applications where sunlight readability is essential:
- Outdoor Wearable Devices – Smartwatches, fitness bands, and outdoor sports devices
- Portable Instruments – Handheld test equipment, digital meters, and outdoor data loggers
- Smart Home Devices – Thermostats, control panels, and outdoor home automation interfaces
- Compact HMI – Small human-machine interfaces for outdoor and industrial equipment
- Consumer Electronics – Portable media players, outdoor toys, and electronic accessories
- Medical Devices – Portable diagnostic devices and outdoor monitoring equipment
- Outdoor Sports Equipment – Cycling computers, GPS devices, and outdoor navigation tools
Customization Options
We offer flexible customization to meet specific project requirements:
- Touch Panel – Resistive touch panel integration available upon request
- Brightness – Custom brightness levels available for different outdoor/indoor environments
- Interface – Alternative interface options available depending on requirements
- FPC – Custom FPC length, connector type, and pinout available
- Operating Temperature – Extended temperature range versions available
- Surface Treatment – Optional surface treatments including anti-glare or hard coating
- Optical Bonding – For improved outdoor readability and durability
Selection Guide
When selecting this high brightness TFT LCD module for your project, consider the following factors:
- Sunlight Readability – High brightness backlight (40mA LED current) ensures excellent visibility in outdoor and bright ambient light applications
- Display Size and Resolution – 1.77-inch with 128×160 portrait resolution ideal for compact outdoor devices
- Interface Compatibility – SPI interface (3-line or 4-line) requires only a few I/O pins; SPI4W pin selects the mode
- Power Requirements – VCC range 2.5V~3.7V with typical current 0.92mA; high brightness LED backlight requires 2.9V~3.4V at 40mA
- Viewing Direction – 6 o’clock viewing direction optimized for standard mounting orientations
- Operating Environment – Temperature range -20°C to +70°C suitable for outdoor and portable applications
- Touch Integration – No touch panel included, but available as a customization option
- Mounting Space – Module dimension 34.0 x 45.83 mm with 2.75mm thickness; verify mechanical clearance in your design
Frequently Asked Questions
What makes this display “high brightness” and “sunlight readable”?
This display features a high brightness LED backlight with 40mA typical current, delivering excellent sunlight readability for outdoor and bright ambient light applications.
What is the resolution of this display?
This display has a 128×160 dot matrix resolution in portrait orientation.
Does this module include a touch panel?
No, this version does not include a touch panel. It is designed as a display-only module. Touch panel integration is available as a customization option.
What interface does this display use?
The module uses an SPI interface that can be configured as 3-line or 4-line via the SPI4W pin (0 = 3-line, 1 = 4-line).
What is the typical power consumption?
Typical LCM current is 0.92mA, and the high brightness LED backlight consumes about 124mW at 40mA, making it suitable for battery-powered applications.
What is the LED backlight lifetime?
The LED backlight has a typical operating life of 50,000 hours at 25°C.
What is the viewing direction of this display?
This display has a 6 o’clock viewing direction with 12 o’clock gray scale inversion direction.
Can you provide samples?
Yes, sample units are available for evaluation. Please submit your requirements through the sample request form.
Is driver support available?
Yes, we provide initialization code, datasheets, and technical support for integration. The ST7735S driver IC is well-supported with readily available driver libraries.
What is the MOQ for mass production?
MOQ depends on specific configurations. Please contact our sales team for current MOQ information.
Related Resources
- TFT LCD Modules
- High Brightness Displays
- Small Size Displays
- SPI Interface Displays
- LCD Interface Selection Guide
- Customization Services
For volume pricing, customization, or engineering support, please contact our sales team.
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