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E-ink Mats


Technology


Pathfinder Roleplaying Game Subscriber

Do you guys see there being a market for 3-foot by 4-foot E-ink Mats?

The concept would be to have a small USB connector on the edge of the mat that you use like a second monitor OR you print to it like a printer.

The consumer market would use them as picture frames I would imagine.

Grand Lodge

Pathfinder Adventure Path Charter Subscriber; Pathfinder Roleplaying Game Subscriber
harmor wrote:

Do you guys see there being a market for 3-foot by 4-foot E-ink Mats?

The concept would be to have a small USB connector on the edge of the mat that you use like a second monitor OR you print to it like a printer.

The consumer market would use them as picture frames I would imagine.

I think LCD technology will be cheaper and gamers would prefer to have the color options.


I explored this idea. eInk is way too expensive, especially at that size. It also requires specialized hardware. You can't use it as a regular display, the refresh is too slow. You'd basically have to make an image, then upload the image to the display.

LCDs are an option. I looked at 1.1" passive matrix LCD displays, which would have been good enough for the purpose of gaming. A 24x36 array of 1.1" low resolution, passive matrix LCDs would be around $600 (think old color phone LCDs.) You'd need a computer with a dual link video card to run the 3456x2304 resolution.

There are two glaring problems. One is the viewing angle. The LCDs furthest from you would have distorted color. Passive matrix LCDs only have about a 140 degree viewing angle.

The other problem is that for $1000 (and only a few hundred more than the array) you could just get a generic brand 50" LCD or plasma 1080p TV and flip it t&%% up and use that.

Grand Lodge

Pathfinder Adventure Path Charter Subscriber; Pathfinder Roleplaying Game Subscriber
olePigeon wrote:

I explored this idea. eInk is way too expensive, especially at that size. It also requires specialized hardware. You can't use it as a regular display, the refresh is too slow. You'd basically have to make an image, then upload the image to the display.

LCDs are an option. I looked at 1.1" passive matrix LCD displays, which would have been good enough for the purpose of gaming. A 24x36 array of 1.1" low resolution, passive matrix LCDs would be around $600 (think old color phone LCDs.) You'd need a computer with a dual link video card to run the 3456x2304 resolution.

There are two glaring problems. One is the viewing angle. The LCDs furthest from you would have distorted color. Passive matrix LCDs only have about a 140 degree viewing angle.

The other problem is that for $1000 (and only a few hundred more than the array) you could just get a generic brand 50" LCD or plasma 1080p TV and flip it t*~% up and use that.

Well that may work for the LCD, but a plasma can't be flipped flat. They can die mighty quick if you do that.


Andrew Betts wrote:
Well that may work for the LCD, but a plasma can't be flipped flat. They can die mighty quick if you do that.

Oh, right. Either the glass will break or it'll burn in real quick.

In any event, I found a generic brand 47" LCD 1080P TV for $600. Put a nice frame around it, 1/8" thick plexiglass and you're good to go.

I have a nice gaming table at home. I bought a large piece of plexiglass, then I went to the local high school and borrowed their CNC router. I cut out 1/16" thick line grid of 1" squares onto the plastic. It's awesome. I lay it flat on some black shipping felt, then use Liquid Chalk pens on top. It's amazing.

You can even slip preprinted battle maps under the plexiglass and line them up with the etched grid. Works great for D&D minis, too. You can mark the playing field.


Pathfinder Roleplaying Game Subscriber

I still think this is possible. Here's a youtube video from a trade show:

lar e-ink display possible

and

e-ink prototype - 6-inch

Yeah the technology is expensive now, but so was Beta Max.


Pathfinder Roleplaying Game Subscriber

Some amazing tech:

Video: E Ink Shows Off Rollable, Scrunchable, and Video Screens

Source: http://www.popsci.com/technology/article/2011-05/video-e-ink-shows-rollable -scrunchable-and-video-screens


Ummmm... and now, Betamax is the market ruler? =)


I feel that it will not be long before you can roll out a mat with multi touch and color display.
http://www.displax.com/en/products/skin.html
check out the foldable AMOLED screens by Samsung.
http://www.youtube.com/watch?v=dY_ADCTBKVE


Pathfinder Roleplaying Game Subscriber

Still too small @ 1024×768 and is six inches across the diagonal.

Source: LG begins mass production of first flexible, plastic e-ink displays

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