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1.78-inch AMOLED, front view, square display
1.78-inch AMOLED, metal back shield, flex cable
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AMOLED display on, vivid colors, high contrast
1.78-inch AMOLED, front view, square display
1.78-inch AMOLED, metal back shield, flex cable

1.78-inch 368×448 AMOLED Display

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$23.80piece

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Description

Model: ED178AM368MS

The 1.78-inch AMOLED Display delivers sharp, high-contrast visuals for compact smartwatch and wearable interfaces where clarity and power efficiency matter. With a 368 × 448 Real RGB resolution and 16.7M colors (RGB 8-bit), it renders clean text, icons, and UI details at 326 PPI, helping small screens look refined and crisp.

Designed for flexible system integration, this panel supports MIPI / SPI interfaces and runs at a typical 60 Hz refresh rate, with an idle mode down to 15 Hz for power-aware operation. It provides 350 cd/m² (typ.) luminance and a wide viewing specification of 80° (T/B/L/R, CR ≥ 1000) to maintain consistent readability across everyday wrist-viewing angles. With a 28.7 × 34.94 mm active area and compact glass outlines (LTPS: 30.6 × 37.99 mm; Encap: 30.6 × 37.24 mm, thickness 0.2 / 0.3 mm), it’s built for slim wearable assemblies. The module integrates RM69090 and a built-in touch solution (Touch IC: TMA525C), operating on Vbat 2.9–4.8 V (typ. 3.7 V) and VDDIO 1.65–1.95 V (typ. 1.8 V), with typical consumption of 186–210 mW (normal) and 12–16 mW (idle).

Application

Smart Watch UI | Wearable Devices | Compact HMI | Embedded Display | Test & Evaluation Fixtures

Customized Options

FPC  | Touch Panel | Cover Glass | Controller Board | Brightness

mechanical drawing, outline dimensions, active area
display test setup, controller board, signal test

Demo Kit for Quick Bring-Up & Lab Validation

For ED178AM368MS development, the demo kit provides a ready-to-use test setup that helps you power up the panel and verify basic performance without designing a custom mainboard first. The kit typically includes a control unit, a signal adapter board, and a flat cable connection, forming a stable bench-top environment for early-stage evaluation.

This setup is ideal when you need to confirm key behaviors such as startup stability, reset/TE response, touch communication readiness, and continuous playback under fixed conditions. It also supports fast iteration during UI tuning—engineers can quickly switch content, observe rendering behavior on the actual module, and reduce “unknown variables” caused by early prototype hardware. For teams moving toward sampling or small-batch builds, the demo kit works well as a repeatable test fixture, improving consistency across engineering, QA, and production checks.

Compact Module Structure for Wearable Integration

This front-and-back view highlights a watch-size AMOLED module built for tight wearable assemblies. The front side uses a clean, square active window with rounded corners, while the rear layout combines flex PCB routing and a protected component area to keep the module slim and integration-friendly. The extended flex tail provides room for signal routing and mechanical alignment, helping reduce stress on the display area during installation.

For engineering and assembly, the visible pad/connector region on the flex makes it easier to align with your mainboard, while the reinforced backing section supports stable mounting inside compact housings. This construction is especially useful when space is limited and you need a reliable stack-up for smartwatch frames, demo fixtures, or small-batch prototypes—keeping the module tidy, protected, and ready for fast integration without bulky add-ons.

AMOLED module, front and back, flex PCB
Specifications
Size

1.78 inch
Pixels

368(W) × 448(H) (Real RGB)
Interface

,

Brightness

350 cd/m² (Typ.)
Manufacturer

Gesight
Display Type

AMOLED
Display Mode

AMOLED
Color Depth

Refresh Rate

60 Hz (Typ., Normal Mode); 15 Hz (Idle Mode)
Viewing Angle Range

80° (Top/Bottom/Right/Left, CR ≥ 1000)
Outline L*W*H

LTPS glass outline: 30.6 × 37.99 mm; Encapsulation glass outline: 30.6 × 37.24 mm; Glass thickness (LTPS/Encap.): 0.2 / 0.3 mm
Active Area L*W

28.7 × 34.94 mm
Orientation

Supply Voltage

Vbat: 2.9–4.8 V (Typ. 3.7 V); VDDIO: 1.65–1.95 V (Typ. 1.8 V)
Consumption

Normal mode: 186–210 mW; Idle mode: 12–16 mW; Standby mode: Max 50 μW
Operating Temperarure

−30 to +70 °C
Storage Temperature

−40 to +80 °C
Bezel Area (mm)

–
Aspect Ratio

23:28 (368:448)
Connection Type

–
IC package

–
Touch Panel

Pixel Pitch

78 × 78 μm
Sunlight Readable

–
Model

ED178AM368MS
PPI ( pixels per inch )

326 PPI
Application

Smart Watch
Pins Description
Pin No. Pin Name Type Notes
1 VCI_EN Signal Power enable control
2 GND GND Ground
3 TP_I2C_SDA I/O Touch I2C data
4 TP_I2C_SCL Input Touch I2C clock
5 NC(TP_SWDIO) NC Not connected (SWDIO reserved)
6 TP_RST Signal Touch reset
7 TP_INT Output Touch interrupt
8 TP_VDD(2.8V) Power Touch power
9 GND GND Ground
10 LCD_RST Signal Display reset
11 LCD_TE Output Tearing effect (TE) signal
12 GND GND Ground
13 VIO1(1.8V) Power I/O power
14 VIO1(1.8V) Power I/O power
15 NC(VPP) NC Not connected (VPP reserved)
16 NFC_ANT2 Signal NFC antenna
17 NFC_ANT1 Signal NFC antenna
18 GND GND Ground
19 SPI_SDO Output SPI data out
20 SPI_SDI Input SPI data in
21 SPI_DCX Signal SPI D/C (Data/Command)
22 SPI_CLK Input SPI clock
23 SPI_CS Input SPI chip select
24 GND GND Ground
25 MIPI_CLKP HS Diff+ MIPI DSI clock +
26 MIPI_CLKN HS Diff- MIPI DSI clock -
27 GND GND Ground
28 MIPI_D0P HS Diff+ MIPI DSI data lane 0 +
29 MIPI_D0N HS Diff- MIPI DSI data lane 0 -
30 GND GND Ground
31 VPH_PWR(3.8V) Power Main power
32 VPH_PWR(3.8V) Power Main power
33 GND GND Ground
34 GND GND Ground
Electrical Characteristics

Electrical Characteristics (ED178AM368MS)

Parameter Symbol Min Typ Max Unit Test Condition / Notes
Battery Supply Voltage Vbat 2.9 3.7 4.8 V Power supply
I/O Supply Voltage VDDIO 1.65 1.8 1.95 V Logic / interface I/O supply
Power Consumption (Normal Mode) P — 186 210 mW Normal mode consumption
Power Consumption (Idle Mode) P — 12 16 mW Idle mode consumption
Power Consumption (Standby Mode) P — — 50 μW Standby mode Max

 

Back-light Specification Form

Item Specification
Backlight Type N/A (AMOLED self-emissive, no backlight)
Backlight Luminance N/A
LED Color N/A
Forward Voltage (Vf) N/A
Forward Current (If) N/A
Connector / Pins N/A
Backlight Lifetime N/A

FAQ

Where can I buy this display？

If you just need a few samples, it`s better to directly on our Aliexpress store, we are 5 stars feedback supplier with 100% Honesty. (The buy link is on the right of the product image)
For bulk orders, it`s better to contact us and get a better price. 

Different displays have different characteristics, just tell Gesight Display your application, and operating environment, Gesight Display will suggest a suitable display for you.

Gesight Display provide HDMI/Type-C controller board or individual demo kit to test.
The pictures of demo kit can be changed by yourself. 

Gesight Display will provide necessary specifications for most LCD/OLED on sale, including,
Display Datasheet
Display Drawing
IC Datasheet
Circuit schematic
For most electronics engineers, our specifications are enough to run the display, and we will provide some assistance.
But Gesight Display is not a school, if customers don`t know the basic knowledge to design circuit boards, we suggest using our controller board to drive the display.

First, you need to check whether this display has On-cell or In-cell touch panel, if has, it only needs to add a cover glass on it. If not, it needs an external touch panel.
(On-cell and In-cell are integrated PCAP touch panels on the display screen)
Because the shape of the cover glass depends on the design of the clients, to avoid infringement of appearance,  most of the developers need different customized touch panels.
Gesight Display can provide a customized touch screen with a low cost of tooling charge.

1. UPS/Fedex/DHL/TNT, the best choice for most clients, 3~7 days to arrive.
2. Aliexpress standard ship, this way is cheap and slow, usually take more than 10 days. Only for samples.
3. For Russian clients, EMS or Aliexpress shipment is better.
4. Any designated logistics are acceptable
 

Most display panels are from giant manufacturers such as BOE, Sharp, LG, EDO, AUO, etc. They have already tested with strict standards.
For OEM products from Panox Display factory, please check the quality test standards.   

The lifetime is different on different images, check the lifetime on datasheet to study it. 

If your Raspberry Pi can support the interface of the display panel, and you know how to program on Raspberry Pi, you can connect to our display.
If you don`t know or don`t want to write a display program on Raspberry Pi, it`s better to get an HDMI controller board from us, and Panox Display will send a config.txt file for reference.
 

lcd_connectors

Free convertor board and Connectors

Fast Shipping

Most of our clients are manufacturers purchasing our displays for their applications, who are willing to get samples as soon as possible.

Different products collocations have different package, please confirm the shipping cost with us when place an order.

(4~6 days for most countries and area)

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specification_lcd

Specification

Panox Display offers the following specifications for most LCD/OLED products:

  • Display datasheet

  • Mechanical drawing

  • IC datasheet

  • Circuit schematic

Readable Under Sun

Compare to LCD, OLED has many advantages as follows:

Thin Like Paper:More than 50% thinner and lighter than LCD, creating an edgy form factor in style.

Green Power:Clock-mode standby can be up to 60 hours, much lower consumption compare to LCD displays.

"Wow" Effect:High contrast ratio and wide color gamut offer sharp and vivid image, and consistent display from any angle.

OLED Type Structures

        OLED driver as well as two divided into passive (PMOLED) active (AMOLED), which PMOLED simple structure, each pixel is represented by a separate cathode and anode control, no additional driver circuit, but too much control lines restrict its application of high-resolution large screen; AMOLED entire cathode surface electrode via a drive circuit driving the light emitting anode, significantly reducing the number of control lines, it has a low-power, high-resolution, fast response and other characteristics, AMOLED therefore gradually become the mainstream OLED display.

About Us

Gesight is a high-tech company specializing in OLED, LCD displays. Integrated with display marketing and sales, customized LCD OEM manufacturing, driver board development, customized TP, etc.

After six years of effort and development, we have grown up to a certain size, now we have a service team with excellent service quality, professional technical service.

After several years of steady development, Gesight has served hundreds of customers from different places all over the world. Including big companies such as Bosch, Nokia, Garmin, Circuits, and countless small and medium-size companies or electronics DIYers.

gesight_lcd_company
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Say No to any bright/dart dots on screen !!
Strict Quality Control


We implement strict quality control through every stage of production and inspection. Each display undergoes rigorous testing to eliminate any pixel defects, including bright, dark, or stuck dots. Our professional QC team uses advanced optical equipment to ensure flawless screen performance, delivering only high-reliability LCD and OLED panels to our customers.

strict quality control

rigorous testing

flawless screen performance

high-reliability

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