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Brand Name : RGH
Model Number : RT40HD008A
Certification : ISO9001,ISO14001
Place of Origin : shenzhen,China
MOQ : 3PICS
Price : Negotiable
Payment Terms : L/C, T/T, Paypal
Supply Ability : 3.5kk
Delivery Time : 3-5weeks
Packaging Details : Standard package
Size : 4.0 inch
Resolution : 720(RGB)X720
Viewing Direction : ALL o’clock
LCM Outline Dimension : 105.60 (H) X109.87(V) X2.2(T) mm
Active area : 101.52(H) X101.52 (V)
Operating temperature : -20℃~70℃
Storage temperature : -30℃~80℃
Driving IC : ST7703
Luminance : 260cd/㎡
Power Consumption : 5600MW
LED Life Time : 35000 HR
LCD Type : Transmissive TFT
Color : 262K
RGH 4.0 Inch Circular IPS LCD Display RGB 720 X 720 All o’clock Viewing Direction
Product Specification
| Size | 4.0 inch | 
| Resolution | 720(RGB)X720 | 
| Active area | 101.52(H) X101.52 (V) | 
| Driving IC | ST7703 | 
| Luminance | 260cd/㎡ | 
| Power Consumption | 5600MW | 
| LCD Type | Transmissive TFT | 
| Color | 262K | 
About this item
This 4.0-inch transmissive TFT LCD display offers a sharp 720x720 RGB resolution, providing clear, high-quality visuals in a compact, square format. With a luminance of 260 cd/m², it performs well in typical indoor lighting environments, offering good visibility without excessive power draw.
The display has a wide operating temperature range of -20°C to +70°C and can be safely stored in temperatures between -30°C and +80°C, making it robust enough for various industrial, automotive, or outdoor applications where temperature fluctuations are common.
It features a 262K color depth, allowing for a broad spectrum of color reproduction, and utilizes the ST7703 driving IC for optimal performance. The active area of 101.52mm x 101.52mm ensures the screen is used efficiently, while the overall outline dimension of 105.60mm x 109.87mm x 2.2mm makes it suitable for applications with space constraints.
While it consumes 5600mW of power, the display's LED backlight is rated for 35,000 hours of use, ensuring long-term durability. The square format could be particularly useful for specialized applications that require a non-traditional aspect ratio. It would work well in wearables, embedded systems, or devices where the screen's unique shape offers design flexibility.
The wide viewing angle (ALL O’clock) means the display can be viewed from virtually any angle without distortion, making it a solid option for projects that require versatile viewing.
Interface Pin Definition
| NO. | Symbol | Level | Function | 
| 1-2 | LEDA | LED power anode | |
| 3 | IOVCC | Power supply for digital interface | |
| 4-6 | NC | NC | |
| 7-8 | LEDK | LED power cathode | |
| 9 | NC | NC | |
| 10 | GND | Ground | |
| 11 | D3P | MIPI DSI differential data pair. | |
| 12 | D3N | MIPI DSI differential data pair. | |
| 13 | GND | Ground | |
| 14 | D2P | MIPI DSI differential data pair. | |
| 15 | D2N | MIPI DSI differential data pair. | |
| 16 | GND | Ground | |
| 17 | CLKP | MIPI DSI differential clock pair. | |
| 18 | CLKN | MIPI DSI differential clock pair. | |
| 19 | GND | Ground | |
| 20 | D1P | MIPI DSI differential data pair. | |
| 21 | D1N | MIPI DSI differential data pair. | |
| 22 | GND | Ground | |
| 23 | DOP | MIPI DSI differential data pair. | |
| 24 | DON | MIPI DSI differential data pair. | |
| 25 | GND | Ground | |
| 26 | TE | TE.PIN | |
| 27 | RESET | RESET.PIN | |
| 28 | VCC | Power setting | |
| 29-30 | NC | NC | 
External Dimensions
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FAQ
1: What are the payment terms?
 A: We usually accept T/T, Paypal, other terms to be negotiated.
2: What’s the lead time?
 A: Usually 3~5 days for sample orders if goods are in stock, and 3~5 weeks for mass production (basing on the quantity and product).
3. Do you support custom logo on the LCM?
A: Yes, we support, pls send us your detail inquiry, our sales will contact you asap.
4. How can I place a sample order?
A: Pls send us your inquiry, our sales will contact you soon.
5. What size LCD display can you provide?
A: 0.96 inch to 21.5 inch TFT LCD display we can provide.
6. What's your MOQ?
A: Most of our product's MOQ is 1K, beacuse we are a LCD display manufacturer.
7. What shipping ways do you support?
A: We can consult with it.
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| RGH 4.0 Inch Circular IPS LCD Display RGB 720 X 720 All o’clock Viewing Direction Images | 
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