Innolux AT070TN92 7inch TFT LCD - 800x480, 50 Pin

Innolux AT070TN92 7-inch TFT LCD overview

The Innolux AT070TN92 is a 7.0-inch 800(RGB)x480 parallel-RGB TFT-LCD panel for embedded human-machine interfaces, industrial monitoring equipment, point-of-sale terminals, and custom controller-board builds. It uses a 50-pin FPC connection and provides standard WVGA resolution across a 154.08 x 85.92 mm active area. This is a raw display panel, not a finished monitor: it requires a compatible parallel-RGB host interface or intermediate driver board and does not accept direct HDMI, USB, or composite video inputs.

For engineers comparing LCD panels and display modules, the AT070TN92 fits dedicated enclosure designs with planned external driver circuitry. Avoid this panel if you need direct HDMI plug-and-play operation, integrated touch capability, or guaranteed wide-temperature ratings without prior revision verification.

Specifications of Innolux AT070TN92 7inch TFT LCD - 800x480, 50 Pin

• Model: AT070TN92
• Display Size: 7.0 inch
• Resolution: 800(RGB)x480 pixels
• Panel Type: a-Si TFT-LCD
• Color Support: 16.7 million colors
• Refresh Rate: 60Hz
• Brightness: 400 cd/m² (typical)
• Contrast Ratio: 500:1 (typical)
• Pixel Arrangement: RGB vertical stripe
• Viewing Angle (CR≥10): 70/70/50/70 (Top/Bottom/Left/Right)
• Response Time: 25 ms (Tr+Td)
• Physical Dimensions: 164.9 x 100 x 5.7 ± 0.2 mm
• Active Area: 154.08 x 85.92 mm
• Weight: 154 grams (typical)
• Signal Interface: Parallel RGB (1 channel, 6/8-bit), 50-pin, FPC
• Backlight Power Consumption: 1.674W (typical)
• Panel Power Consumption: 0.226W (typical)
• Operating Temperature: -30°C to +85°C
• Storage Temperature: -30°C to +85°C

Innolux AT070TN92 specifications explained

Raw LCD panel selection means matching the mechanical envelope, optical behavior, and electrical power budget to the enclosure and controller hardware. The table below shows how the key parameters affect real-world integration.

Note the important technical distinction: published AT070TN92 references frequently report baseline specifications of 250 cd/m² brightness and a -20°C to +70°C operating window, rather than this listing's stated 400 cd/m² and -30°C to +85°C values. Documentation also commonly cites 262K native colors with dithering to reach 16.7 million. If your deployment has non-negotiable thermal limits or optical requirements, verify the physical label marking and revision-specific datasheet for your delivered unit before finalizing the mechanical and thermal housing.

Need a smaller display footprint or wider viewing cones without color shifting? A smaller 5-inch IPS raw-RGB option provides 800x480 resolution on an IPS panel, though it uses a 40-pin interface rather than this display's 50-pin layout.

AT070TN92 50-pin TTL compatibility and setup

The AT070TN92 uses a 50-pin Flexible Printed Circuit (FPC) with a parallel RGB interface, often called TTL. It cannot connect directly to LVDS outputs and does not natively decode standard HDMI, DisplayPort, or USB signals. Connecting the panel directly to an LVDS header can create an electrical mismatch and damage the driver circuitry.

For standard single-board computers or PC video sources, use a compatible RGB/TTL display controller that accepts HDMI/VGA inputs and provides the appropriate 50-pin FPC pinout. Mini-computer platforms that need to avoid external driver wiring can use an integrated HDMI touch-display approach, a self-contained monitor module with native USB capacitive touch.

Bench Verification Sequence

1. Confirm that the part number on the panel backing matches AT070TN92, then align the 50-pin FPC cable so its contact fingers match the controller connector pinout orientation.
2. Seat the FPC evenly in the zero-insertion-force (ZIF) connector and firmly engage the locking latch across both sides.
3. Connect the input signal source to the external controller board and configure the host hardware for an 800x480 resolution output at 60Hz.
4. Apply regulated power to the controller board according to its specific voltage requirements.
5. Confirm that the backlight illuminates and the screen shows a stable, correctly proportioned image without rolling or horizontal line split.

A black screen calls for checking that the controller's backlight enable (BL_EN) pin receives logic-high and that the FPC is not inserted upside down. A dim image indicates insufficient backlight driver voltage or a grounded PWM brightness pin. Distorted, torn, or center-split graphics point to host pixel clock and horizontal/vertical blanking porch settings that do not align precisely with 800x480 parallel-RGB timings.

AT070TN92 vs AT070TN94: brightness and temperature limits

The AT070TN92 and AT070TN94 belong to the same Innolux 7-inch 50-pin form factor family, so they are frequently confused during procurement. Both panels have identical 800(RGB)x480 resolutions, 164.9 x 100 mm module outlines, and 50-pin parallel RGB interfaces, making them physically swappable in many mounting frames. Their internal optical and thermal ratings, however, differ significantly across manufacturing documentation.

This listing specifies 400 cd/m² brightness and a -30°C to +85°C operating range for the AT070TN92, while broad component literature generally lists the AT070TN92 at 250 cd/m² with a -20°C to +70°C rating. Those higher 400 cd/m² and -30°C to +85°C figures are standard factory ratings for the AT070TN94 variant. Do not rely solely on nominal family listings for equipment operating in high ambient light or unconditioned outdoor enclosures. Inspect the printed rear label on receipt to determine whether your unit is an AT070TN92 revision or an AT070TN94 before deployment in thermal-critical environments.

Both models use TN liquid crystal structures. Off-axis viewing, particularly from the lower-left perspective, exhibits contrast loss and color shifting compared with modern IPS panels. Standard revisions achieve color depth through 6-bit native driving with spatial dithering to approximate 16.7 million colors rather than a native 8-bit pipeline.

7-inch 800x480 TFT panel applications

Its WVGA resolution, broad hardware availability, and standard 50-pin connectivity make the AT070TN92 a regular choice for industrial and commercial retrofits. The 800x480 format provides enough pixel density for tactile UI elements without imposing heavy memory overhead on embedded graphic engines. It remains prevalent in the field.

• Industrial HMI Panels: Operator dashboards on packaging, CNC, and manufacturing systems using embedded Linux or dedicated RTOS graphics libraries.
• Point-of-Sale Terminals: Customer-facing and cashier transaction displays requiring continuous, stable indoor operation.
• Intercom and Access Control: Building video door-phones and security consoles mounted in indoor hallways or climate-managed vestibules.
• Embedded Development Platforms: Microprocessor evaluation setups, such as custom AT070TN9x-family display capes used on development hardware.
• Secondary Instrumentation Monitors: Diagnostic output screens inside custom test racks, audio processing units, and laboratory consoles driven by universal RGB controller boards.

Deployment in any of these applications requires chassis cutouts matched to the 164.9 x 100 mm physical outline, a delicate FPC run secured away from high-current switching noise, and appropriate display controllers from our range of other LCD panel formats when different resolutions or form factors are required.

AT070TN92 driver board and power accessories

The AT070TN92 is an unmounted, bare LCD panel without integrated driving circuitry. Additional support components are required before it can display video output.

Required Accessories

• RGB/TTL Display Controller: An interface adapter such as the HDMI/VGA/AV to LVDS/RGB/TTL Convertor for 40/50/60 pin LCD is required to bridge standard HDMI, VGA, or composite video inputs to the panel's 50-pin FPC connection.
• 50-Pin FPC Ribbon Cable: A matched 0.5 mm pitch 50-pin flat flexible cable is necessary to connect the panel to your controller board. Confirm contact orientation (top vs. bottom contacts) against your mating ZIF socket.
• Panel & Backlight Power Source: The selected controller board must supply the appropriate logic voltage (typically 3.3V) and dedicated constant-current LED backlight driving rails.

Recommended Accessories

• Driver Board Power Supply: For an external HDMI converter board, use a dedicated 12V power input for a compatible controller with a 12V 2A wall adapter to provide clean, continuous current for both logic and backlight circuits.
• Custom Chassis or Bezel Frame: A structural front-panel bracket secures the 164.9 x 100 mm module and eliminates mechanical strain on the glass edges and rear ribbon cable.

Optional Accessories

• Resistive or Capacitive Touch Overlay: A third-party 7.0-inch touch digitizer overlay can be bonded around the front perimeter where an HMI requires direct operator touch interaction.
• PWM Dimming Circuitry: External microcontroller PWM driving connected to the controller board's dimming pin allows dynamic brightness adjustments based on ambient light.

Innolux AT070TN92 FAQ

Is the Innolux AT070TN92 a plug-and-play HDMI display?

No. The AT070TN92 is a bare parallel-RGB panel and cannot accept HDMI signals directly. An HDMI source requires a compatible RGB/TTL display controller that decodes HDMI video and outputs the required 50-pin TTL signals.

What driver board does the AT070TN92 need?

It needs an LCD driver board with a 50-pin TTL/RGB output connector configured for 800x480 resolution at 60Hz. The driver board must also include a built-in step-up LED backlight driver circuit compatible with the panel's backlight power requirements.

Is AT070TN92 TTL or LVDS?

The panel uses a parallel RGB (TTL) signal interface across a 50-pin FPC. It is not an LVDS panel, and it will not work when plugged into an LVDS-only output header.

Is the AT070TN92 rated at 400 cd/m² and -30°C to +85°C?

This store listing specifies 400 cd/m² brightness and a -30°C to +85°C operating range. However, baseline engineering datasheets for the AT070TN92 often state 250 cd/m² and -20°C to +70°C, reserving the higher ratings for the AT070TN94 variant. Check your unit's printed revision label when your operating environment depends strictly on these limits.

What is the difference between AT070TN92 and AT070TN94?

Both panels share the same 7-inch 800x480 50-pin physical format, but the AT070TN94 is factory-rated for higher brightness (400 cd/m²) and a wider thermal operating range (-30°C to +85°C). Verify the exact model text printed on the rear label to ensure you have the intended revision.

Does “16.7 million colors” mean true 8-bit color?

Not necessarily. The listing rates the panel for 16.7 million colors, but published AT070TN92 datasheets document 262K native colors achieved through 6-bit driving with frame-rate control dithering to approximate 16.7M. For color-critical calibration work, verify the exact silicon revision.

Are the cable, controller board, touch overlay, and power supply included?

No, this product listing is for the bare LCD panel only. You must separately source the 50-pin FPC cable, controller board, power adapter, and any required touch overlay or enclosure brackets.

What should I choose if I need HDMI and capacitive touch?

For a Raspberry Pi or small PC that needs an integrated solution, choose an HDMI display with capacitive touch such as the Waveshare 7-inch Type B. It integrates the driver electronics, HDMI port, and USB touch controller into a single board assembly.

Purchase decision summary

• Ideal for: Industrial equipment builders, POS integrators, and embedded engineers who already have a 50-pin parallel-RGB interface on their host board or are pairing the panel with a dedicated RGB/TTL driver board.
• Maybe for: Raspberry Pi and hobbyist builds where the user is comfortable sourcing an intermediate conversion board, 50-pin cabling, and an external 12V power supply.
• Consider another option if: You need a direct HDMI or USB monitor out of the box, require native multi-touch interaction without adding an external overlay, or require guaranteed IPS viewing angles.

Buying checklist

• Confirm that your host processor has a native parallel-RGB (TTL) LCD peripheral or that you have budgeted for an external HDMI-to-RGB controller board.
• Verify that your enclosure cutout matches the 154.08 x 85.92 mm active area and accommodates the 164.9 x 100 x 5.7 mm outer frame.
• Source a compatible 50-pin, 0.5 mm pitch FPC cable with the correct contact orientation for your mating board.
• Confirm your driver electronics provide the necessary LED backlight driving supply alongside standard logic voltage.
• Verify your application viewing angle to ensure the 70/70/50/70 TN viewing limits align with where operators will stand relative to the screen.
• Check the rear panel label upon arrival to verify the exact model and revision if deploying in elevated thermal or bright ambient conditions.