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7in and above LED-backlit units deliver 800x480 to 1920x440-pixel resolution. These come with or without touch panels.
Mainstream 7 to 13in TFT-LCD modules from China makers have 800x480 to 1920x440-pixel resolution, 500:1 contrast ratio and 70-degree viewing angle. These use LED backlighting and boast anti-glare surface treatment. The life span reaches 50,000 hours.
Products come with or without touch panels.
In addition to tablet PCs and automotive displays, the target applications include laptops, and industrial control and medical equipment. Most companies ensure product compliance with RoHS guidelines.
Suppliers continue to emphasize capability to meet various requirements. Rocktech Displays Ltd has a 10.1in model with a touch panel, which it can modify for tablet PCs, home security and POS systems, and industrial control equipment. Custom modules represent between 20 and 60 percent of makers' shipments.
The key components used in the manufacture of TFT-LCD modules include LCD panels, PCBs and touchscreens. Some companies produce the first in-house. The main inputs in LCD panel fabrication are glass substrates, color filters, LED backlights and polarizers.
Most companies source materials and components from domestic providers, taking advantage of localization upstream, although they still accommodate buyers' requests for imported ones.
Input costs are projected to remain stable for the rest of the year, and will keep module prices unchanged.
Here is a selection of 7in & above TFT-LCD modules from China:
Dongguan Xiaguang Electronic Technology Co. Ltd's XG-630A-7D model is a 7in TFT-LCD module with 800x480-pixel resolution, 45-degree up and 65-degree down/left/right viewing angles. The 154x86mm panel with 3H hardness rating features an anti-glare surface treatment.
The LED-backlit unit operates on 8 to 18VDC, 160 to 320mA. It supports PAL/NTSC auto-conversion, and has an image invert control function for up/down and left/right, and CVBS 1Vp-p video signal input at 75ohm or buyer's specified impedance.
The 165x100x5.5mm module has -20 to 55 C operating and -30 to 60 C storage temperatures. A touchscreen and an optically bonded cover glass can be added on request.
The RK101SU3301-CT-1 model from Rocktech Displays Ltd is a 10.1in TFT-LCD module with 1024x600-pixel resolution. It features a capacitive touch panel with an I2C interface and FT5506 controller.
The unit has a 40-pin LVDS interface and a customizable cover lens. It suits tablet PCs, home security systems, POS terminals and industrial control devices.
The minimum order is 100 units. Delivery is within 15 days.
This model RX185-C10-S 18.5in TFT-LCD module from Shenzhen Rogin Electronics Co. Ltd boasts 1366x768-pixel resolution, 16.7 million colors, 1,000cd/sqm brightness and 2,000:1 contrast ratio. It suits water-resistant TVs installed in kitchens and bathrooms.
The RoHS-compliant unit has white LED backlighting and an LVDS interface. Its life span is 60,000 hours. Dimensions are 430.4x254.6x8.15mm.
The maker requires a minimum order of 10 units. Delivery lead time is 15 days.
Splendid Screen Technology (HK) Ltd's 7in TFT-LCD module for industrial machines, model COG-T070ATNB, uses LED backlighting and has an RGB interface. It measures 165x100x5.7mm.
The minimum order requirement is 5,000 units. Delivery takes 60 days.
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