Description:
TSD TFT item number TST121WXVK-18 is a 12.1-inch color active-matrix TFT-LCD module manufactured by Team Source Display (TSD). Built on amorphous silicon (a-Si) thin-film transistor technology, it delivers a sharp 1280 × 800 (WXGA) resolution in a compact outline of 276.56 (H) × 179.46 (V) × 5.73 (T) mm, making it an ideal display solution for industrial and commercial platforms that require a balance of screen size, image clarity, and slim mechanical design.
The module combines a TFT LCD panel, LED backlight unit, and driver circuit into one integrated assembly, driven by the GH8323 timing controller. With an IPS (In-Plane Switching) normally-black transmissive cell, the display offers full 80° viewing angles in all directions (ALL o'clock), a high contrast ratio of 1200:1 (typ.), 72% NTSC color gamut, and a brightness of 900 cd/m² (typ.) — ensuring excellent readability even in bright ambient environments.
Drawing:

Specifications:
| General Specification | ||
| Part No. | TST121WXVK-18 | |
| Outline Dimension(mm) |
276.56x179.46 |
|
| Active Area(mm) | 260.35x162.72 | |
| Resolution(dots) | 1280x (RGB) × 800 | |
| Operating temperature(°C) | -20 ~ +70°C | |
| Storage temperature(°C) | -30 ~ +80°C | |
| Number of Pixel(pixels) | 1280RGB(H)xRGBx800V) | |
| Touch panel | without | |
| Driver IC | GH8323 | |
| Pixel arrangement | RGB-stripe | |
| Display mode | Normal black,IPS, 12.1 inch TFT | |
| Surface treatment | Antiglare | |
| View direction | All |
|
| Weight(g) | TBD | |
| Power Consumption(w) | Panel | TBD(Typ.) |
| B/L system | TBD(Typ.) | |
| Interface | TLVDS | |
| Module lifetime(Hours) | 30,000 | |
| Interface Definition | ||
| Pin No. | Symbol | Description |
| 1 | NC | No connect |
| 2 | VDD | Power voltage for digital circuit |
| 3 | VDD | Power voltage for digital circuit |
| 4 | VDD | Power voltage for digital circuit |
| 5 | NC | No connect |
| 6 | GND | Ground |
| 7 | GND | Ground |
| 8 | RIN0- | Negative LVDS differential data input |
| 9 | RIN0+ | Positive LVDS differential data input |
| 10 | GND | Ground |
| 11 | RIN1- | Negative LVDS differential data input |
| 12 | RIN1+ | Positive LVDS differential data input |
| 13 | GND | Ground |
| 14 | RIN1- | Negative LVDS differential dat ainput |
| 15 | RIN1+ | Positive LVDS differential data input |
| 16 | GND | Ground |
| 17 | CLK- | Negative LVDS differential clock input |
| 18 | CLK+ | Positive LVDS differential clock input |
| 19 | GND | Power ground |
| 20 | RIN3- | Negative LVDS differential data input |
| 21 | RIN3+ | Positive LVDS differential data input |
| 22 | GND | Power ground |
| 23 | SEST | Reset pin |
| 24 | STBYB | Standby mode |
| 25 | GND | Power ground |
| 26 | SDA | Serial data input/output for SPI interface |
| 27 | SCL | Clock input for SPI interface |
| 28 | GND | Power ground |
| 29 | CSX | Chip select pin for SPI interface |
| 30 | NC | No connect |
| 31 | GND | Power ground |
| 32 | GND | Power ground |
| 33 | GND | Power ground |
| 34 | NC | No connect |
| 35 | NC | No connect |
| 36 | NC | No connect |
| 37 | NC | No connect |
| 38 | NC | No connect |
| 39 | NC | No connect |
| 40 | NC | No connect |
- Features:
-
1. Superior Optical Performance (IPS Panel)
The IPS liquid crystal mode provides consistent color and contrast across the entire 12.1-inch viewing surface. With CR ≥ 10 at 80° (min.) in all four directions, the display maintains image fidelity for users viewing from any angle — critical for shared-screen or operator-position-variable applications. A 900 cd/m² luminance combined with a 30 ms response time delivers crisp, flicker-free motion rendering.2. Robust LVDS Interface
The 40-pin LVDS input (VESA 8-bit mapping) supports DE-only mode timing: 1280 × 800 active area with flexible blanking (H: 1380–1500 DCLK; V: 824–872 lines), allowing easy pairing with mainstream industrial SoCs, ARM boards, and x86 platforms. The recommended operating clock is ~75 MHz, with a maximum of 80.9 MHz without spread spectrum.3. Reliable Backlight Architecture
The LED backlight consists of 48 high-brightness white LEDs arranged in a 2 × 24 string configuration (4 cathode groups × 2 anodes), operating at 36.0 V / 240 mA. Power consumption is a modest 8.64 W typical, and the LED lifetime is rated at 30,000 hours to 50% of initial brightness at 25 °C — supporting years of continuous operation.4. Designed for Industrial Reliability
The module passes a comprehensive reliability suite including: high/low temperature storage and operation (+80 °C / −30 °C), temperature cycling (−40 °C ↔ +85 °C, 100 cycles), high-temperature high-humidity storage (60 °C / 90% RH), vibration (10–55 Hz, X/Y/Z), and ESD immunity (±8 kV air / ±4 kV contact). A defined power-up/down sequence with hardware reset (RESX) and standby (STBYB) control ensures stable startup behavior.
- Applications:
-
Industrial Automation & HMI The 12.1-inch WXGA format is a classic size for machine operator panels, PLC touch terminals, and factory automation HMI systems. Its LVDS interface and wide temperature tolerance (−20 ~ +70 °C) suit cabinet-mounted and shop-floor equipment, while 900 cd/m² brightness remains clearly readable under industrial lighting.Medical & Healthcare Devices With stable optical characteristics, long backlight life, and reliable power sequencing, the module fits patient monitors, diagnostic instruments, ultrasound displays, and medical carts — where consistent image quality and 24/7 operation are essential.Transportation & Marine The wide operating temperature range, vibration resistance, and high luminance make it suitable for vehicle-mounted displays, train/marine consoles, and fleet management terminals.POS, Kiosk & Self-Service Terminals A native aspect suited to UI-rich applications, 16.7M color depth for brand-accurate graphics, and long LED lifetime support point-of-sale systems, ticket machines, vending interfaces, and information kiosks.Test & Measurement / Embedded Computing Direct compatibility with standard LVDS output from embedded SBCs (Raspberry Pi CM4 LVDS adapters, NXP i.MX, Intel-based industrial boards) makes it a drop-in display for oscilloscopes, analyzers, data loggers, and control consoles.

Email : info@tslcd.com
Tel : +86-755-28225963












