Author name: wangli

How Do LCDs Work?

Polarization of Light On the most basic level, most (not all) types of LCDs change the polarization state of light passing through a layer of liquid crystal material. The geometry of that layer is controlled by a competition between boundary conditions and an applied electric field. Usually, for this type of LCD, nematic liquid crystals are used with special […]

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PCAP touch screen customizations – definitions, capabilities and applications

What is projected capacitive touch? Projected capacitive (PCAP) touch screens are the latest iteration of a long history of touch sensor technologies dating back decades. The usage of PCAP touch screens has risen in conjunction with the proliferation of consumer electronics, medical device advancements and more sophisticated automotive applications, creating breakthrough specializations and use cases. A PCAP screen’s conductive grid

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Industrial TFT Display Requirements

For many years, TFT displays have been the dominating technology in visualization. TFT LCDs are all around in our daily lives — in consumer and automotive applications, in our business environments, in healthcare, and within communication devices, home appliances, and factory automation products. While there are many LCD products available today, they’re not all suitable for every application. This

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