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by Vianie Li & Cecile de Veyra
As mobile electronics shift to AMOLED display technology and as overall demand for these portable devices shrinks, the market for small and midsize TFT-LCD modules is projected to have a negative growth in the coming years. In 2020, due to the pandemic's impact, only 1.81 billion TFT-LCD modules in these size categories were shipped worldwide, declining markedly by 19.7 percent YoY, according to DigiTimes. As for shipments of these displays for smartphones and tablets, their respective CAGRs are projected to be -0.8 and -12.7 percent from 2019 to 2025.
In the years ahead then, in-car displays and Internet of Things (IoT) applications will become the key applications that will fuel the demand for small and midsize TFT-LCD modules. Smart household appliances are another bright spot.
In China, mainstream TFT-LCD modules in the 1.44 to 12in segment are available in dot resolutions of 128x128, 320x240, 480x272, 640x480, 800x480, 1024x600, 1024x768, 1280x720 and 1280x800. Viewing direction is 6 or 12 o'clock or full. Interface may be MCU 8- or 16-bit, SPI, RGB, TTL, LVDS or MIPI. Typical operating temperature range is -20 to 70 C. Products may come with a resistive or capacitive touch panel.
Chinese manufacturers welcome buyers' specifications, modules based on which make up between 30 and 80 percent of their shipments. This arrangement extends to the materials and components used, which may be sourced domestically or from foreign providers. These inputs include TFT-LCD panels, driver ICs and PCBs. In 2020, the pandemic drove up material costs and product prices. However, in the months ahead, most companies interviewed by Global Sources Electronic Components say they will stabilize.

This 4.3in IPS TFT-LCD module from Leadtek Co. Ltd, the LTK050H3123W, has an ILI9806G driverand a two lane-MIPI DSI. The normally black unit, which can be viewed from all directions, has 480x800-dot resolution. It measures 66.26x113.9x3.35mm, with the active area in 56.16x93.6mm. Operating temperature is -20 to 70 C.
The minimum order is 1,000 units. Delivery is within 20 days.

This normally black 5in IPS TFT-LCD module offered by Leadtek Co. Ltd, the LTK050H3123W, has a typical brightness of 300cd/sqm. It has an ILI9881D driver IC and MIPI. Dimensions are 65.3x119.3x1.65mm, with the active area in 62.1x110.4mm.
The supplier requires a minimum order of 1,000 units. Delivery lead time is 20 days.

Supporting duty and bias drive modes, Shenzhen Jing Handa Electronics Co. Ltd's JHD1806-TFT 2.4in TFT-LCD module, has a 12 o'clock viewing direction and -20 to 70 C operating temperature. It uses a transmissive polarizer.
An order of at least 200 units is for delivery in seven days.

The JHD1903-TFT model from Shenzhen Jing Handa Electronics Co. Ltd is a 7in TFT-LCD module with a 6 o'clock viewing direction and -10 to 50 C operating temperature.
A minimum order of 200 units is required. Delivery lead time is seven days.

Shenzhen Newvision Technology Co. Ltd's C32T5001 TFT-LCD module has 240x400-pixel resolution, 450cd/sqm typical brightness and 12 o'clock viewing direction. The 3.2in unit, with an active area of 41.76x60.60mm, uses an ST7793 driver IC and RGB interface.
The 2,000-unit minimum order is for delivery in 20 days.

From Shenzhen Newvision Technology Co. Ltd, this H35C3901 TFT-LCD module renders in 320x480 dots and has a 12 o'clock viewing direction. The 3.5in unit, with an ILI9488 driver IC, has an operating temperature of -20 to 70 C. Dimensions are 54.5x83x2.15mm, with the active area in 48.96x73.44mm.
The minimum order is 3,000 units. Delivery is in 20 days.
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