Another AR Glass Related Patent From Microsoft, Brightness Control Of See-Through Display

Microsoft Glass Patent
Recently, we have been reporting about number of patents related to Augmented Reality glasses by Microsoft. Today, we came across another one which describes a technology to protect the wearer’s eyes. Wearer’s eyes need to be protected from too much light from the display. The brightness of the display is a combination of how much external light gets through the display and how much light is being used to display images. Thus, if too much external light shines through the display the user may experience eye damage or discomfort. Also, if too much light is used to display images, the user may suffer eye discomfort or damage. Read the abstract below on how Microsoft’s tries to solve this issue.


The technology provides various embodiments for controlling brightness of a see-through, near-eye mixed display device based on light intensity of what the user is gazing at. The opacity of the display can be altered, such that external light is reduced if the wearer is looking at a bright object. The wearer’s pupil size may be determined and used to adjust the brightness used to display images, as well as the opacity of the display. A suitable balance between opacity and brightness used to display images may be determined that allows real and virtual objects to be seen clearly, while not causing damage or discomfort to the wearer’s eyes.

Source: USPTO

  • ZloiYuri

    Why don’t just measure relative illumination change of ocular whites?

    • Sebbs

      I think that might be better suited for adjusting to the brightness of the environment. What the patent describes, by watching the user’s pupils, is adjusting to what the user is looking at.
      For example, the user could be in a somewhat dim room that has a small, yet bright light in one corner. The bright light would be enough to trigger the relative illumination change and adjust (shift most of the eye pieces towards black to block external light while brightening the eye pieces a little) before the user even gets close to looking near the light.
      I think ultimately, they’re trying to maintain a fairly consistent pupil size by adjusting how bright the eye pieces are and how much external light they let through, which will reduce eye strain and damage, which is why they monitor pupil size rather than just detect illumination changes

      • ZloiYuri

        Yes, it’s clear. But somebody in MS is just absolutely senseless) Otherwise he could know how pupils reacts to sexual objects))) And we will see transparent glasses when closely walked pretty blonde with nice ass and big boobs 😉 But if you hate somebody… You will not see him, cause pupils became tiny and glasses will think it’s lighter)
        Seriously. Pupils will react to lighten surfaces. Glasses will darken. Pupils will open. Glasses became transparent. System have to be dissipated to prevent that. Pupils reacts good enough and quickly so no need to help them too much. They will react much faster glasses can do without flickering. And no need to make an pupils atrophy.