The LW700AT9901 is a 7.0-inch a-Si TFT-LCD (Thin Film Transistor Liquid Crystal Display) module originally manufactured by ChiHsin (also associated with CMO/Innolux) . This industrial-grade WVGA display panel integrates a 4-wire resistive touch screen, making it an ideal solution for various industrial and consumer applications requiring reliable touch functionality in a compact form factor . The module features a white LED backlight and was widely used in portable devices and industrial HMIs .
| Attribute |
Value |
| Brand |
ChiHsin |
| Model P/N |
LW700AT9901 (1 Compatible) |
| Diagonal Size |
7.0" |
| Panel Type |
a-Si TFT-LCD, LCM |
| Resolution |
800(RGB)×480, WVGA 133PPI |
| Pixel Format |
RGB Vertical Stripe |
| Active Area |
152.4(W)×91.44(H) mm |
| Bezel Opening |
154.4(W)×93.04(H) mm |
| Outline Dim. |
165(H)×104(V)×7.09(D) mm |
| Luminance |
300 cd/m² (Typ.) |
| Contrast Ratio |
400:1 (Typ.) (TM) |
| View Direction |
6 o'clock |
| Response Time |
3/15 (Typ.)(Tr/Td) |
| Viewing Angle |
70/70/60/70 (Typ.)(CR≥10) |
| Operating Mode |
TN, Normally White, Transmissive |
| Support Color |
262K 45% NTSC |
| Light Source |
WLED [3S8P], 20K hours, W/O Driver |
| Weight |
179g (Typ.) |
| Frame Rate |
60Hz |
| Touch Panel |
4-wire Resistive Touch |
| Interface Type |
TTL (1 ch, 6-bit), 40 pins Connector |
| Power Supply |
3.3V (Typ.) |
| Environment |
Operating Temperature: -20 ~ 70 °C; Storage Temperature: -30 ~ 80 °C |
Applications
This display panel is ideal for :
-
Digital photo frames
-
Portable DVD players
-
Industrial control panels and HMI (Human-Machine Interface)
-
Point-of-Sale (POS) terminals
-
Medical devices and diagnostic equipment
-
In-car entertainment systems
-
Gaming machines and interactive kiosks
-
Test and measurement instruments
-
Legacy system retrofits and equipment repairs
