1.54-inch TFT-LCD is generally used in small portable devices or embedded systems that require high-resolution display. Common applications include:

Smart wearable devices: Such as smart watches, sports bracelets, fitness trackers, etc., because these devices require small size, light but good display screen, 1.54-inch TFT has become a common choice.

Medical devices: Some portable medical devices, such as blood glucose meters, heart rate monitors or other health monitoring instruments, use 1.54-inch TFTs to display important information.

Industrial Controllers: When some small industrial equipment or controllers, especially portable or handheld devices, need to display data or parameters, 1.54-inch screens are often used.

Different products have different requirements for display resolution. The commonly used resolutions of 1.54-inch TFT displays are 240*240 and 320*320, both of which are square displays。

Model: 1.54 inch TFT square / 240*240 resolution / full viewing angle / high brightness / 1.5 inch square screen / TFT-H015C1QQIST6N35

• Type: TFT square

• Display Pixels:240x240

• Dimensions(mm) ：31.52x33.72

• VA(mm)：1.54

• AA(mm) ：1.54

• Effective size （mm）：27.72x27.72

• Application: Instrumentation

• Viewing angle: full viewing angle

• Backlight/Brightness：600cd/m2

• Pinout：FPC-35PIN

• Interface：MCU

• Special Instructions：ESD 8KV

• Operating temperature：-20~70℃

• Supply voltage：3.3V

• Driver chip: ST7789H2

Model: 1.54 inch TFT square / 240*240 resolution / full viewing angle / SPI interface / 1.5 inch square screen / outdoor instrumentation / TFT-H015A2QQIST4N10

• type:TFT Square

Display Pixels：240x240

• Dimensions(mm) ：31.52x33.72x1.95

• VA(mm)：1.54

• AA(mm) ：1.54

• Effective size （mm）：27.72x27.72

• Application: Smart wearables,

• instruments and meters

• Viewing angle: full viewing angle

• Backlight / Brightness:450cd/m2

• Pin: 10PIN0.5 plug

• Interface：SPI

• Special Instructions：4L

• Operating temperature：-20~70℃

• Supply voltage：3.3V

• Driver chip:ST7789H2

Model: 1.54 inch TFT square / 320*320 resolution / full viewing angle / high brightness / MCU interface / 1.5 inch square screen / TFT-H015A4HQIST7N40

• Type: TFT square

• Display Pixels：320x320

• Dimensions(mm) ：31.52x33.72x1.51

• VA(mm)：1.54

• AA(mm) ：1.54

Effective size mm：27.74x27.74

• Application: Smart wearables, 

instruments and meters

• Application: Smart wearables,

  instruments and meters

• Backlight/Brightness：750cd/m2

• Pinout：FPC-40PIN

• Interface：MCU

• Special Instructions：Antistatic ESD 8KV

• Operating temperature：-20~70℃

• Supply voltage：3.3V

• Driver chip：ST7796

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