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  2. IP code - Wikipedia

    en.wikipedia.org/wiki/IP_Code

    IP codes IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures ...

  3. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    An LCD screen used as a notification panel for travellers. Each pixel of an LCD typically consists of a layer of molecules aligned between two transparent electrodes, often made of indium tin oxide (ITO), and two polarizing filters (parallel and perpendicular polarizers), the axes of transmission of which are (in most of the cases) perpendicular to each other.

  4. Active-matrix liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Active-matrix_liquid...

    Having supplanted passive-matrix LCDs in general use, in common vernacular, an active-matrix LCD is also simply referred to as a LCD. As of 2025, the term "AMLCD" is uncommon as a matter of technical jargon ; instead, due to their ubiquity, different types of active-matrix liquid crystal displays are usually specified — TFT LCD , IPS LCD ...

  5. LCD classification - Wikipedia

    en.wikipedia.org/wiki/LCD_classification

    The operation of TN, VA and IPS-LCDs can be summarized as follows: a well aligned LC configuration is deformed by an applied electric field,; this deformation changes the orientation of the local LC optical axis with respect to the direction of light propagation through the LC layer,

  6. Housing (engineering) - Wikipedia

    en.wikipedia.org/wiki/Housing_(engineering)

    A transparent plastic housing around an electronic device. In engineering, a housing or enclosure is a container, a protective exterior (e.g. shell) or an enclosing structural element (e.g. chassis or exoskeleton) designed to enable easier handling, provide attachment points for internal mechanisms (e.g. mounting brackets for electrical components, cables and pipings), maintain cleanliness of ...

  7. Electronic packaging - Wikipedia

    en.wikipedia.org/wiki/Electronic_packaging

    Electronic packaging is the design and production of enclosures for electronic devices ranging from individual semiconductor devices up to complete systems such as a mainframe computer. Packaging of an electronic system must consider protection from mechanical damage, cooling, radio frequency noise emission and electrostatic discharge. Product ...

  8. Segmented liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Segmented_liquid-crystal...

    A segmented LCD in a calculator Segmented LCD in a Pocket Operator, showing various shapes of segments. A segmented liquid-crystal display (segmented LCD) is a type of liquid-crystal display commonly used for showing numerical or limited character information, primarily in devices like calculators and digital watches.

  9. See-through display - Wikipedia

    en.wikipedia.org/wiki/See-through_display

    In see-through displays, the difference between the absorptive nature of the LCD and emissive nature of the OLED gives them very different visual appearances. LCD systems impose a pattern of shading and colours on the background seen through the display, while OLED systems impose a glowing image pattern on the background.

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