1.54 inch 240x240 IPS Square Watch TFT LCD Screen Module ST7789V
SPI LCD Display Touch Panel Optional
Screen uses 3 lines and 2 channels
Electrical Specification
DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
| TFT gate on voltage | VGH | -- | 15 | -- | V |
| TFT gate off voltage | VGL | -- | -10 | -- | V |
| TFT common electrode Voltage | Vcom | -- | -1 | -- | V |
AC Characteristics
Refer to the SPEC of ST7789V
Typical Operation Conditions
| Item | Symbol | Min. | Typ. | Max. | Unit |
| | | | | |
| Analog Supply Voltage | VCI | 2.5 | 2.8 | 3.3 | V |
| Digital Supply Voltage | VDD | 2.5 | 2.8 | 3.3 | V |
| I/O Supply Voltage | IOVCC | 1.65 | 1.8/2.8 | 3.3 | V |
| Input High Voltage | VIH | 0.8*IOVCC | - | IOVCC | V |
| Input Low Voltage | VIL | 0 | - | 0.2*IOVCC | V |
| Output High Voltage | VOH | 0.8*IOVCC | - | - | V |
| Output Low Voltage | VOL | - | - | 0.2*IOVCC | V |
Backlight Circuit Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit |
| LED Current | IB | -- | 45 | 60 | mA |
| LED Voltage | Vf | 2.8 | 3.0 | 3.2 | V |
| CIE | X | 0.265 | 0.295 | 0.325 |
|
| Y | 0.26 | 0.29 | 0.32 |
|
| Brightness of LCM | L | -- | -- | -- | cd/m2 |
FAQ
Q: Can you customize products? What can be customized? A: We offer customization services. Due to the different mold costs
of TFT-LCD modules, including FPC, touch screen, backlight, frame,
display interface and other different requirements. Please inform
us of the specific matters via email. We will have professionals
serve you.
Q: Can you provide drawings and related procedures?
A: We can provide drawings and procedures for customers to confirm.
Q:How to control the quality of products? A:The company has a
professional quality team, and all products are 100% inspected
before shipment.
Q:How long is the warranty and service of the product?
A:Generally the warranty period is one year. It depends on
different products.We guarantee our products to be free from
manufacturer defects. Liability under this warranty is limited to
the replacing of any product found to be defective under normal
use.
