TSD business scope covers TFT LCD / Capacitive touch screen / Monochrome display / HMI development, single-chip production and sales.

| Item | specification |
| Display Mode | 4.0''/IPS/Transmissive/Normally Black |
| LCD Type | α-Si TFT |
| Part NO. | TST040HDBY-06 |
| Resolution | 720x(RGB)x720 |
| Outline Size | 74.83(H)x78.98(V)x1.56(T)mm |
| Active Area | 71.93x71.93mm |
| View Direction | All |
| Display Colors | 16.7M |
| Interface | 4-Line MIPI |
| Driver IC | YY1821 |
| Backlight | 8LEDs, 40mA, 12.4V |
| Surface Lumiannce | 380nits |
| Operating Voltage | 3.3V |
| Operating Temperature | -20℃~70℃ |
| Storage Temperature | -30℃~80℃ |









