0.71″ 1920×1080 Birdbath Optical Binocular 3000nits 50° FOV
Advanced Birdbath Optical Binocular: Cutting-Edge Module for AR/VR
This Birdbath optics module is an advanced binocular optical system tailored for Augmented Reality (AR) and Virtual Reality (VR) applications. Known as “BB” (Birdbath), it integrates a high-resolution display, precision-engineered optical lenses, and a reliable connector interface. At its core is a 0.71-inch micro-OLED display panel, ensuring unparalleled visual performance.
Key Features of the Birdbath Optics Module
The Birdbath optical module boasts the following standout specifications:
Display Panel Specifications
Resolution: 1920(H) × 1080(V)
Active Area: 15.8 mm × 8.99 mm (0.71″ diagonal)
Frame Rate: 60Hz
Interface: LVDS
Brightness: 3000 nits
Contrast Ratio (Uniformity): 100,000:1
Optical Performance Specifications
Field of View (FOV): 50°
Eye Box at Eye Relief: 8 × 8 mm @ 14 mm
TV Distortion: ≤ 0.7%
Modulation Transfer Function (MTF): ≥ 0.23 @ 2 PPL
Monocular Weight: 23.2 g
Light Efficiency: ~20%
Transmissivity: ~20%
Inter-Pupillary Distance (IPD): 63 mm
This synergy of specifications ensures an immersive AR/VR experience while maintaining a compact and lightweight design.
Technical Overview of the Display Panel
Resolution and Clarity
The display panel features a 1920 x 1080 resolution on a 0.71-inch diagonal, resulting in exceptional pixel density and clarity. With an active area of 15.8 mm × 8.99 mm, it offers a seamless visual experience, essential for high-fidelity AR/VR environments.
High Brightness and Contrast
The module delivers a remarkable brightness of 3000 nits and a contrast ratio of 100,000:1, making it suitable for both indoor and outdoor applications. This ensures vivid colors and deep blacks, even in challenging lighting conditions.
Frame Rate and Interface
Operating at a stable 60Hz frame rate, the LVDS interface provides smooth motion rendering and reliable data transmission, making it ideal for dynamic AR/VR content.
Optical Engineering Insights
Field of View and Eye Box
With a generous 50° field of view, the Birdbath optics module immerses users in a wide visual environment. The eye box, measuring 8 × 8 mm at an eye relief of 14 mm, ensures comfortable viewing for extended periods.
Distortion and MTF Performance
The system achieves TV distortion levels of less than 0.7% and an MTF value exceeding 0.23 @ 2 PPL. These metrics confirm the module’s capability to deliver sharp, undistorted visuals with high spatial resolution.
Lightweight Design and Efficiency
Weighing only 23.2 g per monocular, the module is both portable and ergonomic. Its light efficiency and transmissivity, both at ~20%, contribute to energy-efficient operation while maintaining optimal brightness levels.
Comparison of Key Specifications
| Feature | Specification | Benefit |
|---|---|---|
| Display Resolution | 1920 × 1080 | Crystal-clear visuals |
| Brightness | 3000 nits | Enhanced visibility in diverse conditions |
| FOV | 50° | Wide and immersive field of view |
| Monocular Weight | 23.2 g | Lightweight and comfortable |
| TV Distortion | ≤ 0.7% | Minimal visual distortion |
| MTF | ≥ 0.23 @ 2 PPL | Sharp and precise imaging |
Applications and Use Cases
The Birdbath optics module is an ideal choice for:
AR/VR Experiences
Its high resolution, wide field of view, and precision optics make it perfect for immersive gaming, virtual training, and remote collaboration.
Industrial and Medical Solutions
With its lightweight design and superior visual clarity, the module supports applications in surgical imaging, industrial inspection, and engineering visualization.
Outdoor and Mixed Reality
The high brightness and robust contrast ratio ensure effective performance in outdoor environments, enabling seamless integration of digital content with the physical world.
Conclusion
The Birdbath optical module exemplifies cutting-edge AR/VR technology. Its integration of advanced optics, high-performance micro-OLED display, and ergonomic design ensures a transformative user experience. Whether for entertainment, professional, or industrial applications, this module sets a new benchmark for optical innovation.
Drawing
Pin Description
| Pin No. (FPC Side) | Symbol | Type | Description | Equivalent circuit |
|---|---|---|---|---|
| 1 | VCATH | Power Supply | EL cathode power supply | |
| 2 | VCATH | Power Supply | EL cathode power supply | |
| 3 | VCCP_O | Power Supply | VCCP power supply | ※8 |
| 4 | VCCP_I | Power Supply | VCCP power supply | |
| 5 | VCCP_I | Power Supply | VCCP power supply | |
| 6 | VDD2 | Power Supply | 10V power supply | |
| 7 | VDD2 | Power Supply | 10V power supply | |
| 8 | VSS | Power Supply | GND | |
| 9 | VSS | Power Supply | GND | |
| 10 | VSS | Power Supply | GND | |
| 11 | VSS | Power Supply | GND | |
| 12 | VDD1 | Power Supply | 1.8V power supply | |
| 13 | VDD1 | Power Supply | 1.8V power supply | |
| 14 | XCS | Input | Serial communication Chip select | ※1 |
| 15 | XSCK | Input | Serial communication Serial clock | ※1 |
| 16 | SI | Input | Serial communication Data input | ※1 |
| 17 | SO | Output | Serial communication Data output | ※2 |
| 18 | PSCNT | Input | Power save communication enable | ※1 |
| 19 | XCLR | Input | System reset | ※1 |
| 20 | TEST | Output | Test pin (no connect) | ※3 |
| 21 | TEST | – | Test pin (connect to GND) | |
| 22 | TEST | Input | Test pin (connect to GND) | ※4 |
| 23 | TEST | Input | Test pin (connect to GND) | ※5 |
| 24 | TEST | Input | Test pin (connect to GND) | ※1 |
| 25 | TEST | Input/Output | Test pin (connect to GND) | ※4 |
| 26 | TEST | Output | Test pin (no connect) | ※1 |
| 27 | VDD1IF | Power Supply | 1.8V power supply for LVDS | |
| 28 | VSS1IF | Power Supply | GND for LVDS | |
| 29 | TEST | Input | Test pin (connect to GND) | ※6 |
| 30 | TEST | Input | Test pin (connect to GND) | ※6 |
| 31 | LV1A | Input | LVDS clock | ※6 |
| 32 | LV1B | Input | LVDS clock | ※6 |
| 33 | LV2A | Input | LVDS data input | ※6 |
| 34 | LV2B | Input | LVDS data input | ※6 |
| 35 | LV3A | Input | LVDS data input | ※6 |
| 36 | LV3B | Input | LVDS data input | ※6 |
| 37 | LV4A | Input | LVDS data input | ※6 |
| 38 | LV4B | Input | LVDS data input | ※6 |
| 39 | LV5A | Input | LVDS data input | ※6 |
| 40 | LV5B | Input | LVDS data input | ※6 |
| 41 | VDD1IF | Power Supply | 1.8V power supply for LVDS | |
| 42 | VSS1IF | Power Supply | GND for LVDS | |
| 43 | TEST | Input | Test pin (connect to GND) | ※6 |
| 44 | TEST | Input | Test pin (connect to GND) | ※6 |
| 45 | VSS1IF | Power Supply | GND for LVDS | |
| 46 | VDD1IF | Power Supply | 1.8V power supply for LVDS | |
| 47 | LV9A | Input | LVDS data input | ※6 |
| 48 | LV9B | Input | LVDS data input | ※6 |
| 49 | LV8A | Input | LVDS data input | ※6 |
| 50 | LV8B | Input | LVDS data input | ※6 |
| 51 | LV7A | Input | LVDS data input | ※6 |
| 52 | LV7B | Input | LVDS data input | ※6 |
| 53 | LV6A | Input | LVDS data input | ※6 |
| 54 | LV6B | Input | LVDS data input | ※6 |
| 55 | LV10A | Input | LVDS clock | ※6 |
| 56 | LV10B | Input | LVDS clock | ※6 |
| 57 | TEST | Input | Test pin (connect to GND) | ※6 |
| 58 | TEST | Input | Test pin (connect to GND) | ※6 |
| 59 | VSS1IF | Power Supply | GND for LVDS | |
| 60 | VDD1IF | Power Supply | 1.8V power supply for LVDS | |
| 61 | TEST | Output | Test pin (no connect) | ※6 |
| 62 | IFSW | Input | Interface select pin (connect to GND) | ※6 |
| 63 | VDD1 | Power Supply | 1.8V power supply | |
| 64 | VDD1 | Power Supply | 1.8V power supply | |
| 65 | VSS | Power Supply | GND | |
| 66 | VSS | Power Supply | GND | |
| 67 | TEST | Input | Test pin (connect to GND) | ※7 |
| 68 | VCAL | Output | Output of temperature sensing circuit | ※8 |
| 69 | R_IB | Input/Output | Bias current adjustment resistance pin | ※8 |
| 70 | VREF | Output | VREF voltage | ※8 |
| 71 | VG255 | Output | Gamma top voltage | ※8 |
| 72 | VG0 | Output | Gamma bottom voltage | ※8 |
| 73 | VOFS | Output | Vofs voltage | ※8 |
| 74 | VSS | Power Supply | GND | |
| 75 | VSS | Power Supply | GND | |
| 76 | VDD2 | Power Supply | 10V power supply | |
| 77 | VDD2 | Power Supply | 10V power supply | |
| 78 | VCCP_I | Power Supply | VCCP power supply | |
| 79 | VCCP_I | Power Supply | VCCP power supply | |
| 80 | VCATH | Power Supply | EL cathode power supply | |
| 81 | VCATH | Power Supply | EL cathode power supply |
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Frequently Asked Question
The Birdbath module uses a 0.71-inch micro-OLED display panel for its high-resolution and vivid visuals.
The module features a resolution of 1920(H) × 1080(V) with a brightness of 3000 nits.
Its combination of a 50° field of view, high pixel density, lightweight design, and precision optics makes it ideal for immersive AR/VR experiences.
With a TV distortion of ≤ 0.7% and a Modulation Transfer Function (MTF) of ≥ 0.23 @ 2 PPL, it delivers sharp and undistorted visuals.
The active display area measures 15.8 mm × 8.99 mm, offering a diagonal of 0.71 inches.
Each monocular unit weighs only 23.2 grams, making it ergonomic and comfortable for extended use.
It supports a wide range of applications, including immersive AR/VR experiences, surgical imaging, industrial inspection, and outdoor mixed-reality solutions.
Both the transmissivity and light efficiency are approximately 20%.
Its brightness of 3000 nits and contrast ratio of 100,000:1 make it highly effective in both indoor and outdoor lighting conditions.
The module is designed with a fixed inter-pupillary distance (IPD) of 63 mm for optimal user comfort.
