1.97 Inch AMOLED Display Module 390×450 for Wearable Devices


Quick Product Summary

The 1.97 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: 1.97 inch AMOLED display module for wearable devices and smart wearable electronics
  • Core specifications: 390 × 450 resolution, AMOLED panel, QSPI interface, CO5300AF driver IC
  • Display structure: slim AMOLED module with larger active area and touch support reference
  • Brightness reference: 800 nit typical luminance and 850 nit maximum in normal mode with CG
  • Best for: wearable displays, wearable UI products, compact wearable devices, and smart wearable interfaces
  • Main advantage: 1.97 inch AMOLED screen with vivid color, strong contrast, 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 1.97 inch AMOLED display with QSPI interface and compact wearable module structure

Product Overview

The 1.97 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 390 × 450 AMOLED panel with an active area of 32.76 × 37.80 mm and a compact module outline of 34.80 × 40.60 mm.

This 1.97 inch AMOLED module uses the CO5300AF 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 1.97 inch AMOLED display module for wearable applications, this model offers a practical combination of compact size, good color performance, high contrast, and engineering-oriented electrical design.

Product Type 1.97 Inch AMOLED Display Module
Display Mode AMOLED
Resolution 390 × 450
Diagonal Size 1.97 Inch
Active Area 32.76 × 37.80 mm
Interface QSPI
Module Outline 34.80 × 40.60 mm
LTPS Glass Outline 34.56 × 40.25 mm
Driver IC CO5300AF
Viewing Angle 85°

1.97寸AMOLED珊瑚红都市运动风宣传图

Product reference image for the 1.97 inch AMOLED display module.

Key Features

  • 1.97 Inch AMOLED Display: Suitable for wearable devices and smart wearable products requiring vivid full-color visual output.
  • 390 × 450 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.
  • CO5300AF 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 800 nit typical and reaches 850 nit maximum in normal mode with CG.
  • High Contrast: Contrast ratio reaches 1000000 according to the electro-optical table.
  • Slim Module Structure: The module thickness with lens is 2.53 mm, suitable for compact wearable product integration.

Who This Product Is Best For

Wearable device manufacturers Smart wearable product developers Wearable UI design teams OEM wearable display integration teams Compact wearable device developers Wearable prototype development teams Touch display product teams ODM wearable product development teams

Technical Specifications

Product Name 1.97 Inch AMOLED Display Module
Brand Brownopto
Model Reference AMOLED1.97
Display Mode AMOLED
Display Size 1.97 Inch
Resolution 390 × 450
Module Outline 34.80 × 40.60 mm
LTPS Glass Outline 34.56 × 40.25 mm
Active Area 32.76 × 37.80 mm
Pixel Pitch (W × H) 84 um
Module Thickness (with Lens) 2.53 mm
Interface QSPI
Driver IC CO5300AF
Touch IC CST820
Operating Temperature -20°C to +70°C
Storage Temperature -30°C to +80°C
Luminance 750 / 800 / 850 nit (Min / Typ / Max)
Uniformity 90%
Viewing Angle Left / Right / Top / Bottom 85°
Contrast Ratio 1000000
NTSC Ratio 97%
Gamma 2.0 / 2.2 / 2.4 (Min / Typ / Max)
Flicker -30 dB
Crosstalk 3%
Optical Transmittance (with Lens) 5.5%
Image Sticking 300 s
Lifetime LT95, 400 h at 25°C with white color pattern
Digital Power Supply VDDIO 1.7 / 1.8 / 1.9 V (Min / Typ / Max)
Analog Power Supply VCI 3.2 / 3.3 / 3.4 V (Min / Typ / Max)
AMOLED Positive Power ELVDD 3.25 / 3.3 / 3.35 V (Min / Typ / Max)
AMOLED Negative Power ELVSS -3.35 / -3.3 / -3.25 V (Min / Typ / Max)
Panel GEOA Power VDD 5.8 / 6.0 / 6.2 V (Min / Typ / Max)
Panel GEOA Power VEE -6.2 / -6.0 / -5.8 V (Min / Typ / Max)
Panel Reference Power VINT -3 V typ
Vdata Voltage VGMP 4.4 V typ
Vdata Voltage VGSP 1.2 V typ in normal mode, 0.8 V typ in HBM mode
Normal Mode Current IELVDD / ELVSS 39.47 mA typ, 45.39 mA max
Normal Mode VCI Current 5.8 mA typ, 6.5 mA max
Normal Mode VDDIO Current 5.5 mA typ, 5.8 mA max
Deep Standby Current IVCI max 10 uA, IVDDIO max 10 uA

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 1.97 inch AMOLED display module shows a clear QSPI interface structure in the interface description table, including L_CS, L_SCLK, L_IO0, L_IO1, L_IO2, and L_IO3. 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: L_RES is listed as the reset signal for proper device initialization.
  • Tearing effect output: L_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, VDD, and TP_VDD are also listed, so full host-side power design and sequence confirmation is still recommended.

Display and Optical Performance Notes

This 390 × 450 AMOLED display module is suitable for wearable display products that require good color performance, practical brightness, high contrast, and wide viewing support. According to the electro-optical section, the module provides 800 nit typical luminance and 850 nit maximum luminance in normal mode with CG.

  • Luminance: 750 / 800 / 850 nit (Min / Typ / Max)
  • Brightness uniformity: 90%
  • Viewing angle: 85° for left / right / top / bottom
  • Contrast ratio: 1000000
  • NTSC ratio: 97%
  • Gamma: 2.2 typ
  • Flicker: -30 dB
  • Crosstalk: 3%
  • Optical transmittance with lens: 5.5%
  • Lifetime: LT95, 400 h at 25°C with white color pattern
Important note: For front-end product selling points, it is safer to use 800 nits typical brightness as the standard value and present 850 nits as the datasheet maximum value. If you want stronger marketing wording, it is better to say high-brightness wearable AMOLED display rather than overstating unsupported peak values.

Electrical and Power Reference

According to the provided specification, this AMOLED module includes normal mode and deep standby mode for engineering reference and system power planning in wearable product development.

  • Digital power supply VDDIO: 1.7 / 1.8 / 1.9 V
  • Analog power supply VCI: 3.2 / 3.3 / 3.4 V
  • AMOLED positive power ELVDD: 3.25 / 3.3 / 3.35 V
  • AMOLED negative power ELVSS: -3.35 / -3.3 / -3.25 V
  • Panel GEOA power VDD: 5.8 / 6.0 / 6.2 V
  • Panel GEOA power VEE: -6.2 / -6.0 / -5.8 V
  • Panel reference power VINT: -3 V typ
  • Vdata voltage VGMP: 4.4 V typ
  • Vdata voltage VGSP: 1.2 V typ in normal mode, 0.8 V typ in HBM mode
  • Normal mode condition: 60 Hz, 25°C, 600 nits, command mode
  • 100% pixel on current: IELVDD / ELVSS 39.47 mA typ, 45.39 mA max
  • Normal mode VCI current: 5.8 mA typ, 6.5 mA max
  • Normal mode VDDIO current: 5.5 mA typ, 5.8 mA max
  • Deep standby current: IVCI max 10 uA, IVDDIO max 10 uA
  • Reset low pulse width: tRW 10 us minimum

Product Selection Notes

This model is a strong choice for product teams that need a 1.97 inch AMOLED display module for wearable applications. It is especially suitable for projects where compact size, color performance, practical touch integration, strong contrast, and engineering-defined electrical characteristics are required together.

For engineering evaluation, this module is best understood as a compact AMOLED module with CO5300AF 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 1.97 inch AMOLED display with 390 × 450 resolution.
  • Confirm host-side interface compatibility before final hardware and software selection.
  • Check power design carefully according to ELVDD, ELVSS, VCI, VDDIO, VDD, and VEE 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 and lifetime requirements according to the target application and actual use condition.

Application Scenarios

This 1.97 inch AMOLED display module is suitable for wearable devices and smart wearable products that require vivid color, slim display structure, and reliable interface integration.

Wearable electronics
Smart wearable interfaces
Wearable UI displays
Compact wearable devices
Wearable touch display development
Wearable product prototypes
OEM / ODM wearable display projects
Slim wearable screen solutions
Status and notification displays
Small wearable device screens

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: -30°C to +80°C
  • High temperature operation: 70°C / 48 hrs
  • Low temperature operation: -20°C / 48 hrs
  • High temperature storage: 80°C / 48 hrs
  • Low temperature storage: -30°C / 48 hrs
  • High temperature humidity operation: 60°C / 90% RH / 48 hrs
  • Thermal shock: -20°C to +70°C / 48 hrs
  • 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 1.97 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 390 × 450 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 CO5300AF 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 32.76 × 37.80 mm, and the module outline is 34.80 × 40.60 mm.

6. What is the brightness of this 1.97 inch AMOLED display?

The electro-optical specification shows 800 nit typical brightness and 850 nit maximum brightness in normal mode with CG.

7. What are the viewing angle and response-related references?

This AMOLED display module provides a 85° viewing angle for left, right, top, and bottom directions. The datasheet also includes response time as an electro-optical item reference.

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 -30°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 1.97 Inch AMOLED Display Module

The 1.97 Inch AMOLED Display Module from Brownopto combines 390 × 450 resolution, 800 nit typical brightness, QSPI interface support, CO5300AF 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 1.97 inch AMOLED display module, a 390 × 450 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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