LCD - definition
LCD - definition
LCD (Liquid Crystal Display) is an image display technology that utilizes the properties of liquid crystals, which change their spatial orientation under applied voltage, thereby affecting how they transmit or block light. LCDs do not emit their own light; instead, they modulate light from an external source—typically a backlight placed behind the liquid crystal matrix—to create a visible image for the viewer. A key feature of LCDs is their low power consumption and the ability to produce thin, lightweight, and energy-efficient screen designs.
A basic LCD structure consists of two polarizing layers with a layer of liquid crystals arranged in a specific structure—most commonly of the nematic type—positioned in between. Control electrodes alter the orientation of the molecules under an electric field, which affects the polarization of the light passing through the display. Depending on the driving technology used, LCDs operate either in passive mode (with limited resolution and contrast) or in active mode, where each pixel is paired with a thin-film transistor (TFT) to enable precise control and improved image quality.
Liquid crystal displays are widely used in mobile devices, computer monitors, televisions, control panels, watches, calculators, and industrial equipment. Their technical parameter - such as resolution, response time, contrast ratio, brightness, and viewing angles - depend on the type of matrix used (e.g., TN, IPS, VA) and the quality of the LED backlighting. Due to their passive image generation method, LCDs are highly energy-efficient when displaying static content, though they may exhibit limitations in rendering true blacks and fast-moving scenes compared to self-emissive technologies like OLED.
Transfer Multisort Elektronik (TME) is one of the world’s largest global distributors of electronic components, electrotechnical parts, workshop equipment, and industrial automation. The catalog includes over 1,500,000 products from 1,300 leading manufacturers. TME’s modern logistics centers in Łódź and Rzgów (Poland), with a combined area of over 40,000 m², ship nearly 6,000 packages daily to customers in more than 150 countries.
TME also invests in the development of knowledge and skills of young engineers and electronics enthusiasts through the TME Education project, and supports the tech community by organizing the TechMasterEvent series, promoting innovation and experience exchange.
