1.78 Inch AMOLED Display Module 368×448 for Wearable Devices
Quick Product Summary
The 1.78 Inch AMOLED Display Module from Brownopto is a compact high-color AMOLED display module developed for wearable devices, smart wearable interfaces, and wearable display applications that require slim structure, vivid color performance, and stable QSPI communication.
- Product type: 1.78 inch AMOLED display module for wearable devices and smart wearable electronics
- Core specifications: 368 × 448 resolution, AMOLED panel, QSPI interface, CO5300 driver IC
- Display structure: slim AMOLED module with compact active area and touch support reference
- Brightness reference: 600 cd/m² typical luminance and 650 cd/m² maximum in full white condition
- Best for: wearable displays, wearable UI products, compact wearable devices, and smart wearable interfaces
- Main advantage: 1.78 inch AMOLED screen with vivid color, fast response, and compact integration structure
- Recommended use: wearable product development, wearable interface design, engineering evaluation, and OEM / ODM integration
- Selection note: suitable for projects requiring a 1.78 inch AMOLED display with QSPI interface and compact wearable module structure
Product Overview
The 1.78 inch AMOLED display module from Brownopto is designed for wearable electronic products that require clear visual performance, slim structural design, and reliable interface integration. According to the specification, this model uses a 368 × 448 AMOLED panel with an active area of 28.70 × 34.95 mm and a compact module outline of 42 × 35 mm.
This 1.78 inch AMOLED module uses the CO5300 driver IC and lists CST820 as the touch IC reference in the specification. The interface table clearly shows QSPI-related signal definitions, making it suitable for wearable display products that need practical electrical integration support.
For customers looking for a 1.78 inch AMOLED display module for wearable applications, this model offers a practical combination of compact size, good color performance, fast response time, and engineering-oriented electrical design.
Key Features
- 1.78 Inch AMOLED Display: Suitable for wearable devices and smart wearable products requiring vivid full-color visual output.
- 368 × 448 Resolution: Supports clear UI rendering for status display, menus, icons, notifications, and wearable interface layouts.
- QSPI Interface: The interface description includes QSPI data lines, helping support compact host-side communication design.
- CO5300 Driver IC: Used as the display driver platform according to the attached specification.
- Touch IC Reference: CST820 is listed in the electrical section as the touch IC reference.
- Brightness Performance: Standard brightness is 600 cd/m² typical and reaches 650 cd/m² maximum in full white condition.
- Fast Response Performance: Response time is 2 ms typical and 4 ms maximum according to the electro-optical table.
- Slim Module Structure: The module thickness with lens is 2.25 mm, suitable for compact wearable product integration.
Who This Product Is Best For
Technical Specifications
| Product Name | 1.78 Inch AMOLED Display Module |
|---|---|
| Brand | Brownopto |
| Model Reference | V745 |
| Display Mode | AMOLED |
| Display Size | 1.78 Inch |
| Resolution | 368 × 448 |
| Module Outline | 42 × 35 mm |
| LTPS Glass Outline | 30.60 × 37.99 mm |
| Active Area | 28.70 × 34.95 mm |
| Pixel Pitch (W × H) | 78 × 78 um |
| Module Thickness (with Lens) | 2.25 mm |
| Interface | QSPI |
| Driver IC | CO5300 |
| Touch IC | CST820 |
| Battery Power Voltage | 3.4 / 3.7 / 5.5 V (Min / Typ / Max) |
| Digital Power Supply | 1.65 / 1.8 / 1.95 V (Min / Typ / Max) |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +80°C |
| Brightness | 550 / 600 / 650 cd/m² (Min / Typ / Max) |
| High Brightness Mode | 900 / 1000 cd/m² (Min / Typ) |
| Brightness Uniformity | 80% / 85% (Min / Typ) |
| Contrast Ratio | 10000 / 100000 (Min / Typ) |
| Response Time | 2 ms typ, 4 ms max |
| Color Gamut | NTSC 90% / 105% (Min / Typ) |
| Viewing Angle | 80° |
| Gamma | 2.0 / 2.2 / 2.4 (Min / Typ / Max) |
| Flicker | -35 / -30 dB (Typ / Max) |
| Crosstalk | 3% max |
| Color Shift | 5 / 5.5 |
| Normal Mode Power | 186 mW typ, 210 mW max at 100% pixel on / 350 nits |
| Idle Mode Power | 12 mW typ, 16 mW max at 10% pixel on / 30 nits |
| Deep Standby Mode | 50 μW max |
| OLED Lifetime | 240 hrs at 25°C, white color pattern, 0.95 × typical brightness |
Note: Before final selection, it is recommended to confirm host-side interface compatibility, software initialization, touch communication, power sequencing, connector design, and actual mechanical fit in the target wearable product.
Interface and Integration Notes
This 1.78 inch AMOLED display module shows a clear QSPI interface structure in the interface description table, including LCM_CS, LCM_CLK, QSPI_D0, QSPI_D1, QSPI_D2, and QSPI_D3. This helps support compact display integration for wearable devices and smart wearable products.
- Main display interface reference: QSPI-related signals are clearly listed in the interface description.
- Reset control: LCM_RST is listed as the reset signal for proper device initialization.
- Tearing effect output: LCM_TE is included for frame synchronization reference.
- Touch interface support: TP_SDA and TP_SCL are listed for touch I2C communication, with TP_INT and TP_RST included.
- Power control note: VBAT, VCI_EN, and TP_VDD are also listed, so full host-side power design and sequence confirmation is still recommended.
Display and Optical Performance Notes
This 368 × 448 AMOLED display module is suitable for wearable display products that require good color performance, practical brightness, fast response, and wide viewing support. According to the electro-optical section, the module provides 600 cd/m² typical brightness and 650 cd/m² maximum brightness in full white condition.
- Brightness: 550 / 600 / 650 cd/m² (Min / Typ / Max)
- High brightness mode: 900 / 1000 cd/m² (Min / Typ)
- Brightness uniformity: 80% min, 85% typ
- Contrast ratio: 10000 min, 100000 typ
- Response time: 2 ms typ, 4 ms max
- Color gamut: NTSC 90% min, 105% typ
- Viewing angle: 80°
- Gamma: 2.2 typ
- Flicker: -35 dB typ, -30 dB max
- Crosstalk: 3% max
Electrical and Power Reference
According to the provided specification, this AMOLED module includes normal mode, idle mode, and deep standby mode for engineering reference and system power planning in wearable product development.
- Battery power voltage Vbat: 3.4 / 3.7 / 5.5 V
- Digital power supply VDDIO: 1.65 / 1.8 / 1.95 V
- Normal mode condition: 60 Hz, 25°C, 350 nits, command mode
- Normal mode power: 186 mW typ, 210 mW max at 100% pixel on
- Idle mode condition: 15 Hz, 25°C, 30 nits
- Idle mode power: 12 mW typ, 16 mW max at 10% pixel on
- Deep standby mode: all pixel off, 0 nits, VCI off, VDDIO on
- Deep standby power: 50 μW max
- Reset low pulse width: Trst 20 μs minimum
Product Selection Notes
This model is a strong choice for product teams that need a 1.78 inch AMOLED display module for wearable applications. It is especially suitable for projects where compact size, color performance, practical touch integration, and engineering-defined electrical characteristics are required together.
For engineering evaluation, this module is best understood as a compact AMOLED module with CO5300 driver platform and QSPI interface support, rather than a generic low-end display. Its key value is compact form factor, practical interface structure, and optical performance for wearable devices and smart wearable products.
- Choose this model when your project requires a 1.78 inch AMOLED display with 368 × 448 resolution.
- Confirm host-side interface compatibility before final hardware and software selection.
- Check power design carefully according to VBAT, VDDIO, and related power sequence requirements.
- Verify mechanical fit according to active area, LTPS glass outline, and full module outline.
- Review touch integration if the product requires TP communication and touch state management.
- Evaluate brightness mode requirements if the project may use standard brightness and high brightness mode differently.
Application Scenarios
This 1.78 inch AMOLED display module is suitable for wearable devices and smart wearable products that require vivid color, slim display structure, and reliable interface integration.
Reliability and Handling Reference
According to the specification reference, this AMOLED module includes environmental, electrical, and mechanical reliability items for engineering evaluation and wearable product application support.
- Operating temperature: -20°C to +70°C
- Storage temperature: -40°C to +80°C
- High temperature operation: 70°C / 240 hrs
- Low temperature operation: -20°C / 240 hrs
- High temperature storage: 80°C / 240 hrs
- Low temperature storage: -40°C / 240 hrs
- High temperature humidity operation: 60°C / 93% RH / 240 hrs
- Thermal shock: -40°C to +85°C, dwell time 0.5 hr, 100 cycles
- Air discharge: ±4 / ±6 / ±8 kV, module level, without CG
- Contact discharge: ±1 / ±2 kV, module level, without CG
- Packing drop test: 60 cm height, 6 faces, 3 edges, and 1 corner
- Packing vibration-proof test: 2g, f = 10 -> 55 -> 10 Hz, each of X / Y / Z for 30 min
- Handling note: Avoid strong shock, excessive pressure, improper cleaning solvents, and static electricity damage during assembly.
- Storage note: Avoid direct sunlight and fluorescent lamp exposure, and store within the recommended environment.
- Transportation note: Avoid falling, violent shock, excessive pressing, water, damp, and sunshine during transportation.
Packaging and Delivery
Each AMOLED display module is packed carefully to help protect the display area, FPC section, and module assembly during shipment, storage, and transportation.
- Selling Units: Sample support and bulk order supply are available
- Customization Support: Interface confirmation, application discussion, and project-based support can be provided according to requirements
- Shipping: Global shipping supported, with final freight based on quantity, package method, and destination
- Packing reference: The packing page shows tray loading, vacuum packing, and carton packing reference for shipment
Frequently Asked Questions
1. What is this 1.78 inch AMOLED display module used for?
This module is suitable for wearable electronics, smart wearable products, compact wearable devices, and other wearable applications that require a slim full-color AMOLED display.
2. What resolution does this AMOLED display support?
It supports a 368 × 448 resolution, suitable for status interfaces, menus, icons, notifications, and wearable display layouts.
3. What interface does this AMOLED module use?
According to the interface description, this module uses a QSPI-related interface structure with data and clock definitions suitable for wearable display integration.
4. Which driver IC is used in this module?
According to the specification, the module uses the CO5300 driver IC. The datasheet also lists CST820 as the touch IC reference.
5. What are the active area and outline dimensions?
The active area is 28.70 × 34.95 mm, and the module outline is 42 × 35 mm.
6. What is the brightness of this 1.78 inch AMOLED display?
The electro-optical specification shows 600 cd/m² typical brightness and 650 cd/m² maximum brightness in full white condition. It also lists 1000 cd/m² typical high brightness mode.
7. What are the viewing angle and response time?
This AMOLED display module provides a 80° viewing angle and a 2 ms typical response time, with 4 ms maximum according to the datasheet.
8. What are the operating and storage temperature ranges?
The operating temperature range is -20°C to +70°C, and the storage temperature range is -40°C to +80°C.
9. Does this module support touch integration?
The specification lists CST820 as the touch IC reference and includes TP_INT, TP_RST, TP_SDA, and TP_SCL in the interface description, so it supports touch-related integration planning.
10. What should be confirmed before selecting this AMOLED display module?
Before final selection, it is recommended to confirm display interface compatibility, touch communication, power supply design, mechanical dimensions, software initialization, and actual optical performance requirements.
Why Choose This 1.78 Inch AMOLED Display Module
The 1.78 Inch AMOLED Display Module from Brownopto combines 368 × 448 resolution, 600 nits typical brightness, QSPI interface support, CO5300 driver platform, touch integration reference, and compact slim structure in a design suitable for advanced wearable and smart wearable electronics development.
For customers looking for a dependable 1.78 inch AMOLED display module, a 368 × 448 AMOLED screen, or a wearable AMOLED display for smart wearable applications, this model is a practical choice for engineering evaluation, product development, and OEM / ODM integration.
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FAQ
Questions about OLED Displays
1. What factors affect the cost of a custom OLED?
- Size & complexity: Larger or flexible designs increase costs.
- Resolution/pixel density: Higher specs (e.g., 4K) require advanced manufacturing.
- Material quality: High-end materials (e.g., anti-glare coatings) add to pricing.
- Minimum order quantity (MOQ): Smaller batches may incur higher per-unit costs.
2. How long does it take to produce a custom OLED?
- Lead time: Typically 4–8 weeks after design approval, depending on complexity.
- Prototyping: Sample production takes 2–3 weeks for verification.
- Mass production: Delays may occur for high-volume orders or specialized components.
3. Can I request a flexible or foldable OLED?
- Yes, but with limitations:
- Flexibility: Curved designs require specialized substrates (e.g., polyimide).
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- Cost: Flexible/foldable options are 20–50% more expensive than rigid panels.
4.How is the reliability of custom OLEDs tested?
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- Lifetime testing: Accelerated aging (e.g., 85°C/85% RH for 1,000 hours).
- Mechanical stress: Flexibility/folding endurance (100,000+ cycles for foldables).
- Environmental resistance: UV exposure, humidity, and thermal shock testing.
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- Luminance retention: >90% brightness after 10,000 hours.
- Color stability: Delta E < 3 for consistent color accuracy.
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- Consumer electronics: Smartphones, wearables, tablets.
- Industrial/medical: Control panels, diagnostic displays.
- Automotive: Dashboard screens, infotainment systems.
- Retail/entertainment: Digital signage, AR/VR headsets.