Author Topic: IRL Glasses  (Read 495 times)

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Offline bandgap

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IRL Glasses
« on: October 11, 2018, 01:11:13 pm »
https://www.kickstarter.com/projects/ivancash/irl-glasses-glasses-that-block-screens

Ok, while technically not dodgy, I like how they made it sound like they put a bunch of R&D into these when they really just put polarizing filters in some glasses frames.  :-DD   :clap:

 

Offline Muttley Snickers

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Re: IRL Glasses
« Reply #1 on: October 11, 2018, 02:58:10 pm »
Some vehicles use screens to display potential hazards like reversing cameras and such so these could do more harm than anything else. Anyway, they appear to be just another one of those let's dream up a bullshit problem and then fabricate and market a ridiculous solution type affair. I might wait for IRL 5.0 which is rumoured to block out everything that is surrounded in bullshit.   
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Offline rrinker

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Re: IRL Glasses
« Reply #2 on: October 12, 2018, 02:03:45 am »
 It's not even just backup cameras (I'm not even going to go there on what I think about this), but so many newer cars use electronically generated gauges. Not those horrible 80's "digital dashes" but analog-looking dials that are actually graphics generated on a screen. Yeah, let's wear something that blocks that. At least you could then honestly tell the officer you had no idea how fast you were going.  :-DD
I'm lucky, my car still has actual physical needle on a dial gauges (still electronically driven of course), but if I wear my prescription polarized sunglasses, the information display area between the speedometer and tachometer pretty much disappears, as does the display on the radio (I also still have a traditional style radio, not a giant stupid LCD screen jutting out. Two knobs, and some buttons.).
 
 

Offline Cyberdragon

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Re: IRL Glasses
« Reply #3 on: October 12, 2018, 02:30:10 am »
And when stuff starts using proper AMQQLED displays? Then what? You're hippie BS won't work anymore that's right. 
 8) = :bullshit:

EDIT: And they don't work on CRTs, so I could still watch TV. >:D
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Offline Mr. Scram

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Re: IRL Glasses
« Reply #4 on: October 12, 2018, 02:36:09 am »
They're not working on my OLED phone, LED wall display and ereader. I think I may have been scammed!
 
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Offline StillTrying

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Re: IRL Glasses
« Reply #5 on: October 12, 2018, 03:03:35 am »
$94,286
pledged of $25,000 goal
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backers

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Offline SiliconWizard

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Re: IRL Glasses
« Reply #6 on: October 12, 2018, 11:22:27 am »
I guess not quite all kinds of LCDs would be blocked by just one-direction polarization. Would they?

Actually polarized sunglasses have been existing for a long time. I happen to have a Ray-Ban pair. They are great for color preservation.
Anyway, with those on, only *some* types of LCD screens become invisible, but not all. (For the record, they tend to render TN-LCDs invisible, such as the ones used in gas stations - which bites btw when you're filling your tank, it's sunny and you can't see the screen :D - but active matrix ones tend to remain fully visible, particularly IPS panels.)

What would make their project different and what's the added technology?
 

Offline Mr. Scram

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Re: IRL Glasses
« Reply #7 on: October 12, 2018, 11:29:59 am »
I guess not quite all kinds of LCDs would be blocked by just one-direction polarization. Would they?

Actually polarized sunglasses have been existing for a long time. I happen to have a Ray-Ban pair. They are great for color preservation.
Anyway, with those on, only *some* types of LCD screens become invisible, but not all. (For the record, they tend to render TN-LCDs invisible, such as the ones used in gas stations - which bites btw when you're filling your tank, it's sunny and you can't see the screen :D - but active matrix ones tend to remain fully visible, particularly IPS panels.)

What would make their project different and what's the added technology?
The trick is to use multiple polarisation layers in different directions. You'd be able to block almost any polarised screen with two or three layers. Conversely, sunglasses are typically designed with the polarisation layer in a direction least likely to cause issues, which I think might be diagonal.
 

Online ebastler

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Re: IRL Glasses
« Reply #8 on: October 12, 2018, 12:05:21 pm »
Gotta love the fact that this project is proudly brought to us by “Ivan Cash”.
I assume that’s pronounced “Iwant Cash”??  :palm:
 

Offline SiliconWizard

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Re: IRL Glasses
« Reply #9 on: October 12, 2018, 12:07:24 pm »
The trick WOULD be. But is it? I'm certainly no specialist in optics, but they clearly state: "IRL Glasses block LCD/LED screens through horizontal polarized optics". Which sounds like just one direction to me. What have I missed? 8)

Additionally, if multiple directions would cause issues in sunglasses as you stated (and as seems relevant), what would it make not having these issues in this project's case? Those are still glasses that are claimed to be for daily use as far as I got it.

What's the big secret sauce of the unidirectional multidirectional polarizing miracle? >:D
« Last Edit: October 12, 2018, 12:14:29 pm by SiliconWizard »
 

Offline Brad O

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Re: IRL Glasses
« Reply #10 on: October 13, 2018, 07:36:04 am »
The trick is to use multiple polarisation layers in different directions. You'd be able to block almost any polarised screen with two or three layers. Conversely, sunglasses are typically designed with the polarisation layer in a direction least likely to cause issues, which I think might be diagonal.
I think many use vertical polarizers to block reflections from car hoods and lakes and such that create horizontally polarized light.
 


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