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2. Hydrargyrum medium-arc iodide lamp - Wikipedia

   en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

   Most modern ballasts are now also equipped with a dimmer, which uses pulse-width modulation to dim the lamp up to 50%, or as much as one stop of light. Unlike a tungsten-based light, which has a negative color temperature shift with a drop in power, the mercury emission spectra takes over with a drop in power (approximately 200 K bluer at 50% ...

3. Flat-panel display - Wikipedia

   en.wikipedia.org/wiki/Flat-panel_display

   In many cases, flat-panel displays are combined with touch screen technology, which allows the user to interact with the display in a natural manner. For example, modern smartphone displays often use OLED panels, with capacitive touch screens. Flat-panel displays can be divided into two display device categories: volatile and static.

4. Touch-sensitive lamp - Wikipedia

   en.wikipedia.org/wiki/Touch-sensitive_lamp

   A touch-sensitive lamp is a combination of a lamp and a touch switch. They act on the principle of body capacitance, activated by human touch rather than a flip, push-button, or other mechanical switch. They are popular as desk and nightstand lamps. Touch-sensitive lamp switches may be dimmable, allowing the brightness of the lamp to be ...

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

6. Television set - Wikipedia

   en.wikipedia.org/wiki/Television_set

   A plasma display panel (PDP) is a type of flat-panel display common to large TV displays 30 inches (76 cm) or larger. They are called " plasma " displays because the technology utilizes small cells containing electrically charged ionized gases , or what are in essence chambers more commonly known as fluorescent lamps .

7. Comparison of CRT, LCD, plasma, and OLED displays - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_CRT,_LCD...

   Glass display tube is evacuated and carries risk of implosion if improperly handled. May be risky and expensive to repair due to complexity of the display; [47] units with mercury CCFL backlight lamps are an environmental health hazard [48] Screen itself cannot be repaired if the gas used to generate images leaks [49]