What is the cost of a 2.76 inch 480x480 round TFT display?

You’re looking at roughly $25 to $45 per unit for a 2.76 inch 480x480 round TFT display in single-piece quantities, but the price drops significantly to around $15 to $25 when you buy in bulk (100+ pieces). This isn’t a fixed number, though—it swings based on interface type, brightness, touch integration, and the supplier’s minimum order quantity. For example, a basic MIPI RGB version with 400 nits might cost you $28 each for 10 units, while a high-brightness variant with 800 nits and capacitive touch could hit $50. The real kicker? The round shape itself adds a premium because it’s less common than rectangular panels, so you’re paying for the custom glass cutting and the specialized driver IC that handles the circular pixel layout. If you’re sourcing from a reputable manufacturer like DisplayModule, the 2.76 inch 480x480 round tft display typically lands in the $30 to $40 range for a single unit, with a 1-2 week lead time.

Let’s break down the cost drivers. The display resolution is 480x480 pixels, which gives you a 1:1 aspect ratio, but the round form factor means about 21% of the pixels are cropped compared to a square panel of the same diagonal. This reduces the effective pixel count to roughly 180,000 usable pixels, but the driver IC still needs to address the full 480x480 matrix. The MIPI RGB interface, common in these panels, requires a 4-lane configuration with a clock speed around 54 MHz to push 60 frames per second. That’s a bandwidth of about 1.2 Gbps, which demands a more expensive controller chip than a simple SPI interface would. If you opt for an SPI version, you might save $5 to $10 per unit, but you’ll cap the refresh rate at 30 Hz—not ideal for animations or video. The glass substrate is typically 0.7mm thick, with a circular cut that’s laser-ablated, adding a $2 to $4 manufacturing cost per panel over a standard rectangle.

Brightness is another variable. Standard panels offer 300 to 400 nits, which is fine for indoor use, but outdoor applications push that to 800 to 1000 nits, requiring a higher-current LED backlight. A 400-nit version uses 6 LEDs in series, drawing about 120 mA, while an 800-nit version uses 12 LEDs, doubling the power draw to 240 mA. The LED driver IC cost increases by $0.50 to $1.00, and the thermal management (like a metal frame) adds another $1.50. Touch integration is a big one: resistive touch adds $3 to $5 per unit, but it’s less durable and has lower optical clarity. Capacitive touch, with a glass lens and ITO sensor, adds $8 to $12, but it supports multi-touch and is more responsive. The touch controller IC, like a FT6336, adds $2 to $4 alone. Some suppliers offer a bonded cover lens with anti-glare coating, which adds $2 to $3 but improves readability in sunlight.

Volume pricing is where the real savings happen. Here’s a rough table based on market data from suppliers like Winstar, Newhaven, and DisplayModule:

Quantity | Price per Unit (MIPI RGB, 400 nits, no touch) | Price per Unit (MIPI RGB, 800 nits, capacitive touch)
1-10 | $28-$35 | $40-$50
10-50 | $22-$28 | $32-$40
50-100 | $18-$22 | $25-$32
100-500 | $15-$18 | $20-$25
500+ | $12-$15 | $16-$20

These numbers assume you’re dealing with a direct manufacturer, not a distributor. Distributors like Digi-Key or Mouser might charge 20% to 30% more for the same part, but they offer lower minimum order quantities (sometimes just 1 unit) and faster shipping. For example, a 2.76-inch round panel from a distributor might be $45 for a single piece, while the same panel from the factory is $30. The trade-off is lead time: factory orders often take 3 to 5 weeks, while distributors have stock on hand.

Now, let’s talk about the technical specs that affect cost. The pixel pitch is about 0.124mm, which gives a sharp image but requires a high-precision photolithography process. The viewing angle is typically 80 degrees in all directions for IPS panels, but some cheaper TN versions exist with 60-degree viewing angles, saving $3 to $5 per unit. The operating temperature range is usually -20°C to +70°C for standard panels, but industrial versions rated for -30°C to +85°C cost $5 to $8 more due to the use of wider-temperature liquid crystal fluid and a more robust polarizer. The interface connector is also a factor: a 30-pin FPC connector with 0.5mm pitch is standard, but if you need a custom pinout or a longer cable (like 100mm instead of 30mm), that adds $0.50 to $1.00 per unit.

Another hidden cost is the development kit. If you’re prototyping, you’ll need a breakout board or a driver board that converts the MIPI signal to something a microcontroller like an STM32 or ESP32 can handle. These boards cost $15 to $30 each, and they often include a voltage regulator and level shifters. Some suppliers bundle the display with a driver board for $50 to $60, which is a good deal if you’re just starting out. But if you’re integrating the display into a custom PCB, you’ll need to design the MIPI trace layout carefully—stubs and impedance mismatches can cause signal integrity issues at 54 MHz, so you might need a 4-layer PCB instead of a 2-layer one, adding $10 to $20 to your board cost.

Durability and certification also play a role. A display with an anti-scratch coating (hardness 3H or higher) costs $1 to $2 more. If you need RoHS, REACH, or UL certification, the supplier might charge a $500 to $1,000 one-time fee for documentation, but that’s usually included in the unit price for established manufacturers. For automotive or medical applications, the display needs to pass vibration and humidity tests, which can add $5 to $10 per unit due to the conformal coating and reinforced bonding.

Let’s look at a real-world example. Suppose you’re building a smartwatch or a smart home controller. You’d likely choose the MIPI RGB version with 500 nits and capacitive touch. For 50 units, you’re looking at $28 each, or $1,400 total. Add shipping (about $50 for air freight from China) and customs (5% to 10% depending on your country), and your total landed cost is around $1,500. That’s $30 per unit. If you go with 500 units, the price drops to $20 each, plus shipping of $100 (sea freight), for a total of $10,100, or $20.20 per unit. That’s a 33% savings.

Now, what about alternative suppliers? Some Chinese manufacturers like Shenzhen Hongguang or Shenzhen Jinlong offer similar panels for 10% to 15% less, but you’ll need to verify quality. They might use a lower-grade backlight that dims by 20% after 10,000 hours, or a driver IC that has a higher failure rate. I’ve seen cases where the MIPI timing is slightly off, causing flicker or ghosting. So, you’re paying a premium for reliability with established brands. A good way to check is to ask for a datasheet that includes the module’s lifetime (usually 30,000 to 50,000 hours for the backlight) and the operating humidity range (10% to 90% non-condensing).

Another factor is the round shape’s impact on yield. The glass cutting process has a 5% to 10% defect rate, which is higher than the 2% to 3% for rectangular panels. This means the manufacturer has to build in a buffer, pricing the good units to cover the bad ones. That’s why you see a $2 to $3 premium for round displays. Additionally, the polarizer needs to be cut in a circle, which is a specialized step that adds $0.50 to $1.00 per unit. The same goes for the backlight film stack—it’s easier to cut rectangular sheets than circular ones.

If you’re comparing this to a 2.8-inch square display with the same resolution, the square one typically costs $18 to $25 for a single unit, so the round version is about 30% to 50% more expensive. But the round shape is often a design requirement for applications like dashboard gauges, smartwatches, or circular UI interfaces, so the extra cost is justified. For example, in a motorcycle dashboard, a round display looks more natural than a square one, and the 480x480 resolution is enough to show speed, RPM, and fuel level without aliasing.

Let’s also talk about the interface options in more detail. The MIPI DSI (Display Serial Interface) uses differential signaling, which is more immune to noise than parallel RGB, but it requires a controller with a MIPI D-PHY. Most modern microcontrollers like the ESP32-S3 or STM32H7 have MIPI DSI peripherals, but older ones like the ESP32 or STM32F4 don’t, so you might need an external bridge chip like the LT8918, which costs $5 to $8. If you choose the parallel RGB interface (which is less common in round panels), you’ll need 24 GPIOs, which can be a constraint on small microcontrollers. The SPI interface is the cheapest but slowest—you’ll get 10 to 15 frames per second at 480x480, which is fine for static images but not for video.

Power consumption is another cost consideration. The display itself draws about 250 mW at 400 nits (50 mA at 5V), but the backlight can draw up to 1.2W at 800 nits. If you’re battery-powered, you’ll need a larger battery or a more efficient DC-DC converter, adding $2 to $5 to your BOM. Some displays include a built-in TPS65132 power IC that generates the VCOM and VGH/VGL voltages, which saves you from designing an external power supply, but that adds $1 to $2 to the module cost.

Finally, don’t forget about the software side. The display requires initialization code to set up the driver IC (like the ST7701S or ILI9488), which is usually provided by the manufacturer. But if you need custom gamma correction or a specific rotation, you might need to pay for engineering support, which can be $50 to $200 per hour. Some suppliers offer free support for orders over 100 units, but for smaller orders, you’re on your own. The driver IC’s datasheet is typically 50 to 100 pages, so expect to spend a few hours reading it.

In short, the cost of a 2.76-inch round TFT display is a moving target, but with the data above, you can estimate it within 10% for your specific needs. Always ask for a quote with your exact requirements—interface, brightness, touch, volume, and lead time—before committing. And if you’re comparing suppliers, ask for a sample first; a $30 sample is cheap insurance against a $1,000 bad batch.