3.4 Inch Transparent OLED | Round Circular Monitor Screen
3.4 Inch Transparent OLED is a revolutionary circular display module engineered for next-generation visual interfaces. Utilizing advanced self-illuminating OLED technology, this round monitor operates entirely without a backlight. Active pixels emit vibrant, ultra-high-contrast colors, while black pixels remain completely unlit, rendering those areas of the screen physically transparent. This unique optical property makes it the ultimate hardware core for developing Augmented Reality (AR) optics, Heads-Up Displays (HUD), futuristic smart home rotary knobs, and premium holographic wearables. Offering an exceptionally thin profile and a wide, symmetrical viewing angle, it seamlessly merges digital data with the physical world behind it. Elevate your product’s design into the future. Click “Inquire Now” for hardware integration guides and bulk pricing.
Product Attributes
| Brand | LCDind |
|---|---|
| Brightness | Standard (200-450 nits) |
| Interface | MIPI |
| Panel Type | OLED |
| Resolution | 800×800 |
| Size | 3.4 inch |
| Operating Temp | Industrial (-20 to +70°C) |
| Touchscreen | No Touch, Optional Touchscreen |
Holographic Integration: 3.4 Inch Transparent OLED
Breaking the boundaries of traditional enclosed displays, the 3.4 Inch Transparent OLED allows hardware designers to overlay digital intelligence directly onto the real world. By utilizing a native Active-Matrix Organic Light-Emitting Diode architecture, this circular screen eliminates the need for bulky backlight units and reflective polarizing layers. The physical footprint is exceptionally thin, providing a sleek, zero-bezel aesthetic when integrated into custom enclosures.
Self-Emitting Pixels: True Black is Transparent
The magic of this round monitor lies in its physical light management. Because OLED pixels emit their own light, there is no underlying white backlight pushing through the panel. When a pixel is instructed to display the color black, it physically turns off. This complete absence of light generation makes the deactivated pixels entirely transparent to the naked eye. This delivers an infinite contrast ratio, allowing glowing data, gauges, and animations to appear as if they are floating in mid-air.
Advanced Applications for Circular Transparency
The combination of a circular form factor and transparent glass unlocks highly specialized, premium applications:
- Augmented Reality (AR) & HUDs: Ideal for motorcycle helmet visors, scuba masks, and custom automotive Heads-Up Displays where vital data must be shown without obstructing the user’s line of sight.
- Smart Home Dials: Create luxurious, glass-like rotary knobs for high-end thermostats or audio equipment, where the wall or the device mechanism remains visible through the dial’s center.
- Premium Display Cases: Build interactive lenses for high-value retail product displays, overlaying digital specs onto physical objects.
LCD / OLED Display Solution & Customization
We can customize your display according to your needs, such as customizing the frame, touch panel, FPC shape and interface definition, silk-screening your Logo, etc.
Customization Options:
- Customized packaging (Min. order: 500 pieces)
- Customized logo silk-screening (Min. order: 500 pieces)
- Graphic and cover glass customization (Min. order: 500 pieces)
Technical Specifications
| Product Type | Transparent OLED (TOLED) Monitor |
| Display Shape | Round / Circular |
| Display Size | 3.4 Inch (Diagonal) |
| Display Mode | Active Matrix, Self-Emitting |
| Transparency | High Transmittance (Black pixels = Transparent) |
| Contrast Ratio | Infinite (10,000:1 or greater) |
| Viewing Angle | Free / Full Viewing Angle |
| Backlight | None (Self-Illuminating OLED) |
| Primary Application | AR HUD, Smart Wearables, Transparent Dials |
Engineering FAQ
Q: How exactly does the transparency work on this screen?
A: Unlike traditional LCDs that rely on a backlight shining through a color filter, OLEDs are self-illuminating. Each pixel generates its own light. When a pixel is programmed to display “black” (hex code #000000), it simply turns off. Because there is no backlight behind it and the panel uses transparent substrates, the “off” pixel becomes physically see-through, creating a holographic effect.
Q: Do I need a backlight module for this 3.4-inch round screen?
A: No. A backlight would ruin the transparency and is physically incompatible with this technology. This is a pure OLED module, meaning it produces its own vibrant light source.
Q: Can this be used in bright outdoor environments like a motorcycle speedometer?
A: While transparent OLEDs offer stunning contrast and brilliant colors in indoor or shaded environments (like inside a helmet or a car cabin), direct harsh sunlight can wash out the self-emitted light. For direct sun exposure, careful UI design using high-brightness colors (like pure white or neon green) is required to maintain readability against the transparent background.
| Brand | LCDind |
|---|---|
| Brightness | Standard (200-450 nits) |
| Interface | MIPI |
| Panel Type | OLED |
| Resolution | 800×800 |
| Size | 3.4 inch |
| Operating Temp | Industrial (-20 to +70°C) |
| Touchscreen | No Touch, Optional Touchscreen |
Q: How exactly does the transparency work on this screen?
A: Unlike traditional LCDs that rely on a backlight shining through a color filter, OLEDs are self-illuminating. Each pixel generates its own light. When a pixel is programmed to display "black" (hex code #000000), it simply turns off. Because there is no backlight behind it and the panel uses transparent substrates, the "off" pixel becomes physically see-through, creating a holographic effect.
Q: Do I need a backlight module for this 3.4-inch round screen?
A: No. A backlight would ruin the transparency and is physically incompatible with this technology. This is a pure OLED module, meaning it produces its own vibrant light source.
Q: Can this be used in bright outdoor environments like a motorcycle speedometer?
A: While transparent OLEDs offer stunning contrast and brilliant colors in indoor or shaded environments (like inside a helmet or a car cabin), direct harsh sunlight can wash out the self-emitted light. For direct sun exposure, careful UI design using high-brightness colors (like pure white or neon green) is required to maintain readability against the transparent background.
Q: What is the MOQ?
A: The MOQ for our products is 1 piece. We are able to provide support throughout the testing process.
Q: What about the delivery time?
A: We have products in stock and can ship them within 3 working days.
Q: Does your product have any warranty?
A: Yes, we offer a warranty that ensures the LCD will function properly upon receipt. However, please note that we do not provide guarantees for any damage caused during use.
Q: What’s your payment method?
A: We accept several payment methods, including T/T (bank transfer), and PayPal.
Q: What’s your shipping method?
A: Thank you for your inquiry. We offer various shipping methods to suit different needs.
For small quantity orders, we use UPS Air-Express, DHL, FedEx, TNT, or EMS Express service. These options are safe and fast.
For large quantity orders, we typically work with the buyer’s cargo agent in China. Alternatively, we can arrange for air or sea transportation.
Please let us know your preferred shipping method and we will do our best to accommodate your request.
Q: Do you offer custom solution?
A: Yes, we offer custom solutions if our standard products do not meet the buyer’s requirements. Please let us know your specific needs, and we will work with you to create a tailored solution that meets your business needs.
Q: How to Contact us?
A: Send your Inquiry Details in the Below, Click “Send” Now!
