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2. Twisted nematic field effect - Wikipedia

   en.wikipedia.org/wiki/Twisted_nematic_field_effect

   The introduction of TN-effect displays led to their rapid expansion in the display field, quickly pushing out other common technologies like monolithic LEDs and CRTs for most electronics. By the 1990s, TN-effect LCDs were largely universal in portable electronics, although since then, many applications of LCDs adopted alternatives to the TN ...

3. Liquid-crystal display - Wikipedia

   en.wikipedia.org/wiki/Liquid-crystal_display

   The crystals may exist in one of two stable orientations ("black" and "white") and power is only required to change the image. ZBD Displays is a spin-off company from QinetiQ who manufactured both grayscale and color ZBD devices. Kent Displays has also developed a "no-power" display that uses polymer stabilized cholesteric liquid crystal (ChLCD ...

4. Display stand - Wikipedia

   en.wikipedia.org/wiki/Display_stand

   A point-of-sale display assembled by a contract packager Display stand for postcards Display stands for statues in museum. A display stand is a free-standing physical fitting in a shop on which products are arranged. It is an advertising and merchandising tool that has a direct impact on product sales. [1] Artwork or statuary may also have a ...

5. Split-flap display - Wikipedia

   en.wikipedia.org/wiki/Split-flap_display

   The Signaltron main departure board at Praha-Smíchov station, Czech Republic (2012), manufactured by Pragotron Schematic of a split-flap display in a digital clock display An animation of how a split-flap display works Flap departure board at Gare du Nord, Paris (2007) Section of a split-flap display board at Frankfurt (Main) Hauptbahnhof (2005) Enlarged inner workings of a split-flap clock

6. The 20 best gifts for parents of all ages - AOL

   www.aol.com/lifestyle/best-gifts-parents...

   The Skylight Digital Picture Frame looks just like a classic frame, but you can easily upload new photos to the rotating gallery from anywhere using the Skylight App.

7. Surface-conduction electron-emitter display - Wikipedia

   en.wikipedia.org/wiki/Surface-conduction...

   Canon began SED research in 1986. [5] Their early research used PdO electrodes without the carbon films on top, but controlling the slit width proved difficult. At the time there were a number of flat-screen technologies in early development, and the only one close to commercialization was the plasma display panel (PDP), which had numerous disadvantages – manufacturing cost and energy use ...