Innolux AT070TN94 is a 7.0-inch a-Si TFT-LCD display panel. It usually uses TN display technology and offers a standard resolution with stable and reliable image quality. This makes it suitable for basic image display and simple user interaction.
From an electrical and mechanical view, AT070TN94 commonly supports a TTL/RGB interface. It works with many mainstream control boards and industrial platforms, making integration and replacement easy. The panel typically features an 800 × 480 (WVGA) resolution, which is widely used in industrial panels, instruments, and similar applications.
This article will introduce the main specifications, advantages, applications, and design notes of AT070TN94. The goal is to help readers quickly understand its features and use cases, and to support product design and display selection decisions.
AT070TN94 Key Specs
In this section, we focus on the key specifications of the AT070TN94 LCD display. By covering parameters such as resolution, aspect ratio, brightness, contrast ratio, interface type, and operating voltage, this overview helps you quickly understand the basic performance and application positioning of the AT070TN94.
Parameter | Value |
Brand | |
Model | AT070TN94 |
Size | 7" |
Composition | LCM |
Resolution | 800(RGB)×480, WVGA 134PPI |
Luminance | 400 cd/m² (Typ.) |
Contrast Ratio | 500 : 1 (Typ.) (TM) |
Viewangle | 70/70/50/70 |
Color Depth | 262K/16.7M 50% NTSC |
Light Source | 3S9P WLED , 20K hours , No Driver |
Interface Type | Parallel RGB (1 ch, 6/8-bit) , 50 pins FPC |
Pixel Format | RGB Vertical Stripe |
Active Area | 156.7(W)×89.1(H) mm |
Frame Rate | 60Hz |
Touchscreen | Without |
Voltage Supply | 3.3/10.4/16.0/-7.0V (Typ.)(DVDD/AVDD/VGH/VGL) |
Weight | 154g (Typ.) |
Outline Size | 164.9(W)×100(H)×6(D) mm |
Max Ratings | Operating Temperature: -30 ~ 85 °C ; Storage Temperature: -30 ~ 85 °C |
Learn more details: AT070TN94 Datasheet PDF
AT070TN94 Pin Assignment
Next, we will provide a brief overview of the AT070TN94 pin assignment to help readers understand the function of each pin and its role in system connections.
1. Backlight Power
Pins 1, 2 (VLED+): LED Backlight Anode input.
Pins 3, 4 (VLED-): LED Backlight Cathode input.
2. Power & Ground
Pin 7 (DVDD): Power supply for digital circuits.
Pin 43 (AVDD): Power supply for analog circuits.
Pin 41 (VGH): Gate ON voltage.
Pin 42 (VGL): Gate OFF voltage.
Pins 5, 36, 38, 48 (GND): Power ground.
3. RGB Data Input
Pins 28-35 (R7-R0): Red data signals (R7 is MSB, R0 is LSB).
Pins 20-27 (G7-G0): Green data signals (G7 is MSB, G0 is LSB).
Pins 12-19 (B7-B0): Blue data signals (B7 is MSB, B0 is LSB).
4. Control & Sync
Pins 6, 46 (VCOM): Common voltage input.
Pin 8 (MODE): Input mode selection (High for DE mode, Low for SYNC mode).
Pin 9 (DE): Data Enable signal.
Pin 10 (VS): Vertical Sync input.
Pin 11 (HS): Horizontal Sync input.
Pin 37 (DCLK): Clock signal for data sampling.
Pin 44 (RESET): Global reset pin (Active Low).
Pin 47 (DITHB): Dithering function selection (High to disable, Low to enable).
5. Scanning Direction
Pin 39 (L/R): Left/Right scan direction switching.
Pin 40 (U/D): Up/Down display flip control.
6. No Connection
Pins 45, 49, 50 (NC): No internal connection.
AT070TN94 Advantages
The AT070TN94 LCD has many outstanding advantages. It can work reliably in harsh environments and offer flexible display modes and multiple color options. At the same time, it simplifies system design and improves overall usability and convenience.
Built-in WLED Backlight System
No additional backlight driver required, simplifying design and reducing circuit costs.
Robust and Reliable
Maximum vibration resistance of 1.5G (14.7 m/s²), ensuring stable operation in vibrating environments.
Flexible Display Orientation
Supports up/down and left/right reverse display, convenient for various application layouts.
Selectable Color Depth
Supports 6/8-bit color depth, meeting different display requirements.
Surface Treatment
Matte finish reduces glare and improves visibility.
Convenient Interface
FPC length of 80.15mm, easy to connect to the main control board.
AT070TN94 Application Areas
AT070TN94 LCD in Industrial Equipment
The AT070TN94 display offers excellent durability and a wide operating temperature range, making it ideal for industrial equipment.
In factory environments with frequent vibrations, the AT070TN94 remains stable. Control panels on automated production lines can use the AT070TN94 to display real-time data and equipment status.
In addition, its built-in WLED backlight system requires no extra driver, simplifying control system design. Therefore, it is often used in industrial instruments, including testing devices, measuring equipment, and more, helping to reduce overall system costs.
The AT070TN94 also supports up/down and left/right reverse display and 6/8-bit color depth options, enhancing display flexibility. In industrial monitoring systems, displays installed in different orientations can be quickly adjusted, ensuring operators can read information clearly from any angle.
Finally, its matte screen reduces glare, and the 80.15mm FPC interface makes it easy to connect to various industrial control boards, enabling efficient integration and reliable display.
AT070TN94 LCD in Automotive Electronics
The AT070TN94 can be used in in-vehicle entertainment and navigation systems. This screen is a preferred choice for commercial vehicle navigation and rear-seat entertainment terminals, and its 7-inch size is ideal for embedding into the center console or headrest.
In addition, thanks to its fast response time, the AT070TN94 is often used to display reversing camera images or panoramic surround-view footage.
Moreover, with its wide operating temperature range, it can handle extreme high and low temperatures inside vehicles. It is frequently integrated into construction machinery cabins to display critical power and performance parameters.
General Precautions
Safety
Liquid crystal is poisonous. Do not put it in your mouth. If liquid crystal touches your skin or clothes, wash it off immediately by using soap and water.
Handling
1. The LCD panel is plate glass. Do not subject the panel to mechanical shock or to excessive force on its surface.
2. The polarizer attached to the display is easily damaged. Please handle it carefully to avoid scratches or other damages.
3. To avoid contamination on the display surface, do not touch the module surface with bare hands.
4. Keep a space so that the LCD panels do not touch other components.
5. Put a cover board, such as an acrylic board, on the surface of the LCD panel to protect the panel from damage.
6. Transparent electrodes may be disconnected if you use the LCD panel under environmental conditions where the condensation of dew occurs.
7. Do not leave the module in direct sunlight to avoid malfunction of the ICs.
Static Electricity
1. Be sure to ground the module before turning on the power or operating the module.
2. Do not apply a voltage that exceeds the absolute maximum rating value.
Storage
1. Store the module in a dark room where must keep at 25±10℃ and 65%RH or less.
2. Do not store the module in surroundings containing organic solvent or corrosive
gas.
3. Store the module in an anti-electrostatic container or bag.
Cleaning
1. Do not wipe the polarizer with dry cloth. It might cause scratch.
2. Only use a soft sloth with IPA to wipe the polarizer, other chemicals might
permanent damage to the polarizer.
ANDE Electronics: Reliable LCD Display Solutions
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