0.23″ HD Microdispaly AMOLED With CVBS Board & Optics For AR
A Revolutionary Microdisplay: The HGECX336AF AMOLED with CVBS Board and Optics for Augmented Reality Applications
The HGECX336AF stands as a hallmark of innovation in the microdisplay sector. Measuring a mere 0.6 cm (0.23”) diagonally, this active matrix color OLED panel integrates single-crystal silicon transistors, offering unparalleled compactness, lightweight design, and high-definition performance. Engineered for applications ranging from viewfinders to head-mounted displays and small monitors, this microdisplay sets a new benchmark for advanced optical technology.
Key Features and Specifications
Core Attributes
The HGECX336AF is meticulously designed to deliver high-definition visuals in a compact form factor. Below are its standout features:
Small Size and High Definition: A 0.23” nHD+ display delivering 640 (RGB) × 400 resolution.
Exceptional Contrast: Enables vivid imagery with deep blacks and bright highlights.
Wide Color Reproduction Range: Ensures lifelike and accurate color representation.
High-Speed Response: Minimizes motion blur for dynamic applications.
Thin and Lightweight: Facilitates seamless integration into various devices.
Power Efficiency: Includes a power-saving function for extended usage.
Flexible Display Options: Supports up/down and right/left inversion.
Robust Input Compatibility: Accepts parallel RGB 24-bit, YCbCr 24-bit, and YCbCr 16-bit inputs.
Detailed Specifications
| Parameter | Value |
|---|---|
| Model Number | HGECX336AF |
| Interface | Parallel RGB 24-bit, YCbCr 24-bit, YCbCr 16-bit |
| Resolution | 640 × 400 |
| Frame Rate | 60 Hz |
| Panel Size | 15.6 × 13.6 × 0.2 mm |
| Active Area | 8.143 × 6.146 mm |
| Brightness | 4000 cd/m² |
| Driver Board | HDMI/CVBS Board |
| Operating Temperature | -10~70°C |
Optics Module Overview
Advanced Optical Design
The HGECX336AF’s optical module, the OL23C-D20A, is optimized for augmented reality (AR) applications. This innovative monocular optical solution delivers superior image clarity and usability, making it a cornerstone in modern AR devices.
Optics Specifications
| Optical Parameter | Value |
| Field of View (FOV) | 20 Degrees |
| Technology | Freeform Prism |
| Eye Relief | ≥19 mm |
| Eyebox | ≥8 × 6 mm |
| TV Distortion | <3% |
| Modulation Transfer Function (MTF) | >43% |
| Light Efficiency | 60% |
| See-Through Transmission | ≥30% |
| Image Brightness | Up to 2400 cd/m² |
Enhancing AR Applications
The combination of high FOV, low distortion, and superior light efficiency ensures that the OL23C-D20A meets the demanding requirements of AR devices. Its compact design and exceptional see-through transmission make it a natural fit for immersive and interactive experiences.
Applications and Benefits
Versatility Across Use Cases
The HGECX336AF microdisplay and its optical module cater to various industries, including:
Consumer Electronics: Ideal for AR glasses and smart devices.
Professional Equipment: Enhances viewfinders and compact monitors.
Research and Development: A reliable choice for experimental setups in AR technologies.
Practical Advantages
Compact Integration: A perfect fit for devices requiring minimal form factors.
Enhanced User Experience: Provides sharp visuals with reduced eye strain.
Durability: Operates across a wide temperature range (-10~70°C).
Conclusion
The HGECX336AF AMOLED microdisplay and OL23C-D20A optical module exemplify state-of-the-art technology in AR and compact display solutions. Their innovative design and robust performance characteristics make them indispensable tools for next-generation optical and electronic devices.
Drawing
Pin Description
| Pin No. | Symbol | Type | Pin Description | Equivalent Circuit |
|---|---|---|---|---|
| 1 | VCATH | Power Supply | EL cathode power supply | |
| 2 | VCCP | Power Supply | VCCP power supply | |
| 3 | VCAL | Output | Temperature sensor output voltage | *6 |
| 4 | VG255 | Output | Gamma top reference voltage (255) | *6 |
| 5 | VG0 | Output | Gamma bottom reference voltage (0) | *6 |
| 6 | VOFS | Output | Gamma offset voltage | *6 |
| 7 | VREF | Output | Gamma reference voltage | *6 |
| 8 | VDD2 | Power Supply | 10V power supply | |
| 9 | VSS | Power Supply | GND | |
| 10 | VDD1 | Power Supply | 1.8V power supply | |
| 11 | MCLK | Input | Master clock | *1 |
| 12 | XHD | Input | Horizontal sync signal (negative polarity) | *1 |
| 13 | XVD | Input | Vertical sync signal (negative polarity) | *1 |
| 14 | VSS | Power Supply | GND | *1 |
| 15 | XCLR | Input | System reset (negative polarity) | *1 |
| 16-23 | DATA7-DATA0 | Input | Video signal input (refer to 5.3.) | *1 |
| 24-31 | DATA15-DATA8 | Input | Video signal input (refer to 5.3.) | *1 |
| 32-39 | DATA23-DATA16 | Input | Video signal input (refer to 5.3.) | *1 |
| 40 | TEST | Input | Test pin (connect to GND) | *3 |
| 41 | XSCK | Input | Serial communication: Serial clock (negative polarity) | *2 |
| 42 | XCS | Input | Serial communication: Chip select (negative polarity) | *2 |
| 43 | SI | Input | Serial communication: Data input | *2 |
| 44 | SO | Output | Serial communication: Data output | *7 |
| 45 | TEST | Output | Test pin (no connect) | *4 |
| 46 | TEST | Input | Test pin (connect to GND) | *5 |
| 47 | VSS | Power Supply | GND | |
| 48 | VDD1 | Power Supply | 1.8V power supply | |
| 49 | VSS | Power Supply | GND | |
| 50 | VDD2 | Power Supply | 10V power supply | |
| 51 | VCCP | Power Supply | VCCP power supply |
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Frequently Asked Question
The HGECX336AF is a 0.23 diagonal active matrix color OLED panel designed for applications such as viewfinders, head-mounted displays, and small monitors.
It offers a resolution of 640 (RGB) × 400 pixels.
The microdisplay supports parallel RGB 24-bit, YCbCr 24-bit, and YCbCr 16-bit input interfaces.
It provides a brightness of 4000 cd/m².
The OL23C-D20A monocular optical module is recommended, designed specifically for augmented reality applications.
Key specifications include a 20-degree FOV, eye relief of ≥19 mm, light efficiency of 60%, and see-through transmission of ≥30%.
The device incorporates a power-saving function to ensure efficient energy use.
It operates reliably within a temperature range of -10 to 70°C.
Its high-definition display, wide color range, low distortion optics, and compact design make it an ideal choice for AR devices.
They provide compact integration, superior visual quality, enhanced durability, and suitability for a wide range of smart devices and AR applications.
