Brief Information 
| Brand / LCD Model | TRULY TFT220220-1-E |
|---|---|
| Diagonal Size | 1.4 |
| LCD Resolution | 220 x 220 |
| LCD Composition | Panel |
| LCD Type | a-Si TFT-LCD |
| Application | Smart Watch |
| Operating Temperature | -20 ~ 70 °C |
| Storage Temperature | -30 ~ 80 °C |
| RoHS | RoHS Compliance |
| Specific Feature |
Mechanical features 
| Pixel Configuration | RGB Vertical Stripe |
|---|---|
| Pixel Density | 159 PPI |
| Aspect Ratio | 1:1 (H:V) |
| Form Factor | Flat Circular Display |
| Dot Pitch (H x V) | 0.052 x 0.156 mm |
| Outline Dimension (HxV) | 42.4 X 46.9 mm |
| Outline Depth (D) | 2.5 ± 0.1 mm |
| Active Area (H x V) | 35.1 X 35.1 mm |
| Bezel Area (H x V) | 37.5 x 37.5 mm |
Touch Screen 
| Touch Type | Without |
|---|
Optical Features 
| Display Mode | TN, Normally White, Transmissive |
|---|---|
| Brightness | 195 cd/m2 |
| Contrast Ratio | 570:1 (Typ.) |
| Display Color | 262K |
| Response Time | 30 (Typ.)(Tr+Td) |
| Viewing Angle(L/R/U/D) | 80/80/80/54 |
| Viewing Direction | 12 o'clock |
Electronic Features 
| Power Consumption | 119mW (Typ.) |
|---|
Backlight System 
| Lamp Position | Edge light type |
|---|---|
| Lamp Type | WLED |
| Lamp Amount | 1S2P |
| Lamp Shape | Parallel |
| Lamp Voltage | 3.1 ± 0.2V |
| Lamp Current | 30mA (Typ.) |
| BLU Interface Type | Included in panel signal interface |
Signal Interface 
| Signal Interface | CPU |
|---|---|
| Signal Interface Class | 8/16-bit 8080 parallel |
| Input Voltage for LCD | 2.8/(1.8/2.8) (Typ.)(VCC/IOVCC) |
| Input Current for LCD | 4.65/9.3mA (Typ./Max.) |
| Signal Interface Type | FPC |
| Signal Interface Pins | 30 pins |