Laptop Projection Capbility

trennal

Estimable
Feb 14, 2014
2
0
4,510
0
When will you provide the ability to project the screen, with an internal LED projection module, to a larger screen for a large audience?
 

greens

Distinguished
Jan 27, 2012
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Never. A typical laptop uses around 90W of power under full load.

A half decent projector needs 100W just to get the LED up and running, let alone the projector itself.
 

trennal

Estimable
Feb 14, 2014
2
0
4,510
0


Never is a long time considering the fact that with battery and LED technology this may overcome the barrier you are describing

 

greens

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Jan 27, 2012
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Negative. LEDs are MUCH more efficient, but in order to produce light - energy is required, a lot of it. Even at 100% efficiency where the amount of power to produce light is fixed - you still need to get excited molecules to produce photons. If you look at a 100W LED in your home, it is 100W EQUIVALENT. It actually only uses around 14-17W. When i say a projector needs 100W of power, i mean the LED itself actually sucks up 100W of power - at which point the LED is like 3-4x brighter than the sun. Efficiency might bring this number down, but not to the point of where we are talking about.

Battery technology could get there, in theory - but you sure as hell aren't going to pay for it for a portable electronic. Nor are you going to be willing to lug around a 300W power supply to keep the thing charged up.

When will we see 3D laptops? - never, the technology died and the product dies with it.

When will we see laptops capable of casting to giant screens over wifi?
Right now! Because that is what people want - not ancient projector style displays that have been used since the invention of film itself.
 

Corwin65

Estimable
Nov 2, 2015
341
1
5,010
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It doesn't make sense to integrate a projector into a laptop. If they could get units small enough it would still be better to have it separate so it could be put away when not needed. It would also double the price.
 
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