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Thread: Eyeglasses that turn into sunglasses — at your command ....................

  1. #1
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    Redhot Jumper Eyeglasses that turn into sunglasses — at your command ....................


    FOR IMMEDIATE RELEASE

    ACS News Service Weekly PressPac: January 28, 2015


    Eyeglasses that turn into sunglasses — at your command

    "Four Shades of Brown: Tuning of Electrochromic Polymer Blends Toward High-Contrast Eyewear"

    ACS Applied Materials & Interfaces

    Imagine eyeglasses that can go quickly from clear to shaded and back again when you want them to, rather than passively in response to changes in light. Scientists report a major step toward that goal, which could benefit pilots, security guards and others who need such control, in the journal ACS Applied Materials & Interfaces.

    In the study, led by Anna Φsterholm in John Reynolds' group at the Georgia Institute of Technology, the researchers point out that most transitional lenses now on the market don’t meet many users’ needs. When wearers are driving or wearing a baseball cap, for example, the lenses stay clear rather than switching to a darker shade even in broad daylight. Also, the majority of available versions don’t block out the harshest light, such as bright light reflected off snow. And the change from colored to clear can take several minutes, which has safety implications for certain users including airline pilots. Reynolds’ team wanted to find a way to solve these issues.

    The researchers designed a new kind of lens that can switch within seconds from clear to darkly shaded and back again in response to a small electrical charge that a wearer could control. They can also fine-tune the color of the lenses to match the full range of hues used in commercial sunglasses. To make the lenses, they say they used a method that could be easily scaled up for manufacturing.

    The authors acknowledge funding from BASF.

    source:
    http://www.acs.org/content/acs/en/pressroom/presspacs/2015/acs-presspac-january-28-2015/eyeglasses-that-turn-into-sunglasses-at-your-command.html
    Last edited by Chris Ryser; 02-06-2015 at 03:25 AM.
    Chris Ryser
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    Redhot Jumper This new invention will probably change the world of optics again .....

    This new invention will probably change the world of optics again with photo chromatic lenses to become a historical fact in the near future.

    Which major manufacturer will pick this one up and become the sole supplier for the length of the patents ?

    While needing an electric current the source for it will have to have a battery hidden in the frame. Another challenge for frame manufacturers and battery companies.

    This one looks one of the major changes over the last 40 years.

    What do you say ????
    Chris Ryser
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    http://optochemicals.com............................. http://arcoatings.com

  3. #3
    OptiWizard
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    Uvex is already making ski goggles with this tech

    http://www.uvex-sports.com/en/winter...t-gun-met-mat/

    Edit:
    oh oh wait, my mistake

    didn't read enough

    the one you posted is an electrochromic polymer

    the uvex one is an lcd.
    Last edited by ml43; 02-06-2015 at 03:57 AM.

  4. #4
    Master OptiBoarder AngeHamm's Avatar
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    When the Pixel technology came out, I said that this would be the next step. I predicted 10 years. I was off by 5.
    I'm Andrew Hamm and I approve this message.

  5. #5
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    a matter of time before the technology is bought by essilor.

    it would be interesting to see how the tint is. if it is an actual tint is natural tint or an electronic, if it would pulse or what, but they have used this technology with windows for years to have the windows to go from clear to opaque.

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    Redhot Jumper How much time do you give them ?

    Quote Originally Posted by EyeManDan View Post

    a matter of time before the technology is bought by essilor.

    How much time do you them ?

    These days it might just happen that another major manufacturer might jump the gun and get to it faster.
    Last edited by Chris Ryser; 02-07-2015 at 03:09 AM.
    Chris Ryser
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    Amazing! This will definitely change the industry as we know it. One step closer to fabricating a pair of glasses that not only changes tint with a touch of the button, it changes the Rx as well going from near to distance or distance to near with the touch of another button. All in one pair of eye wear.

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    Master OptiBoarder OptiBoard Silver Supporter SharonB's Avatar
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    I WANT IT, AND I WANT IT NOW!
    Lost and confused in an optical wonderland!

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    Fantastic! I was hoping that photovoltaic glass would have been R&D'd better .... looking forward to seeing this on the market

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    Master OptiBoarder OptiBoard Silver Supporter Barry Santini's Avatar
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    Don't get too excited, early adopters!

    B

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    Redhot Jumper I can see some of these optical corporations having urgent meetings .............

    If the electrochromatic theory is workable to a degree that it can be marketed to a large quantity of optical retailers ...............whoever they are.

    The one that gets the patents can actually stop the use in various geographic and or competitive areas. The research right now is funded by BASF one of the largest chemical corporations which would be in control at this stage.

    I can see some of these optical corporations having urgent meetings on this subject.
    Chris Ryser
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  12. #12
    OptiWizard
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    PPG offered electrachromic lenses in the late 90's through early 2000's. At the time, frame choices were limited (that is where the switch and battery were located) and they were very expensive, $900 to $1200 if memory serves right.

    Pretty cool technology, fun to play with at the tradeshows. A PPG chemist and I stopped by the Corning Sunsensor booth at a time when Corning was touting speed. While an unwary booth worker (not a corning person but someone from an agency hired to work the show) was giving us the scripted spiel on how Sunsensors worked, we were touching the switch and our lenses would go from clear to almost black. Poor guy had the greatest look of wonder as he saw this technology.

    They did fairly well on the market but not enough to expand the project.
    Jim Schafer
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    Transitions Optical, Inc.

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  13. #13
    Independent Problem Optiholic edKENdance's Avatar
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    And don't forget Alpha Micron. Almost 20 years. http://alphamicron.com/wearable-tech/consumer/
    Last edited by edKENdance; 02-08-2015 at 01:08 PM. Reason: dates

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    Redhot Jumper When the large corporations go for such a project they must see a future for it. ....

    Quote Originally Posted by edKENdance View Post

    And don't forget Alpha Micron. Almost 20 years. http://alphamicron.com/wearable-tech/consumer/

    That was 20 years ago and never anybody mentioned it ever since.

    This time the project is supported by BASF, .................the present popular product was developed by PPG another large corporation.

    When the large corporations go for such a project they must see a future for it.
    Chris Ryser
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    http://optochemicals.com............................. http://arcoatings.com

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    Independent Problem Optiholic edKENdance's Avatar
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    Quote Originally Posted by Chris Ryser View Post
    That was 20 years ago and never anybody mentioned it ever since.

    This time the project is supported by BASF, .................the present popular product was developed by PPG another large corporation.

    When the large corporations go for such a project they must see a future for it.
    Nobody here maybe. Check the timeline. I think they're doing ok. It's not unusual for tech to trickle down to consumers that was originally developed for military purposes. Especially in this industry. http://alphamicron.com/company/

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