Display Comparisons : Optical Bonding vs. Air Gap Terry Trover March 11, 2008
Screen shots used for this outdoor demonstration Can you  read this? Can you read this? Can you read this? Can you read th...
Optical bonding vs. air gap vs. laptop in sunlight <ul><li>1000 nit LC1502R 15” monitor </li></ul><ul><ul><ul><li>Left sid...
Optical bonding vs. air gap vs. laptop in sunlight- repeated with different screen shot <ul><li>1000 nit LC1502R 15” monit...
Optical bonding vs. air gap <ul><li>500 nit LB1500R monitor </li></ul><ul><ul><ul><li>Left side optically bonded  </li></u...
Why you should never demonstrate an optically bonded product to your customers when ambient light is low <ul><li>15” LB150...
Conclusions <ul><li>Optical bonding with a AR or AG surface treatments make displays legible in bright ambient viewing con...
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Planar Systems - Optical Bonding Display Comparisons

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A performance comparison between optically-bonded displays and displays that do not have any enhancements.

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Transcript of "Planar Systems - Optical Bonding Display Comparisons"

  1. 1. Display Comparisons : Optical Bonding vs. Air Gap Terry Trover March 11, 2008
  2. 2. Screen shots used for this outdoor demonstration Can you read this? Can you read this? Can you read this? Can you read this?
  3. 3. Optical bonding vs. air gap vs. laptop in sunlight <ul><li>1000 nit LC1502R 15” monitor </li></ul><ul><ul><ul><li>Left side of monitor </li></ul></ul></ul><ul><ul><ul><ul><li>Optically bonded, AR coating on surface </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Minimal internal & surface reflections </li></ul></ul></ul></ul><ul><ul><ul><ul><li>You can read the map! </li></ul></ul></ul></ul><ul><ul><ul><li>Right side of monitor </li></ul></ul></ul><ul><ul><ul><ul><li>Air gap, AR coating on surface </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Reflections overpower backlight, unreadable </li></ul></ul></ul></ul><ul><li>12” screen on laptop </li></ul><ul><ul><ul><li>AG coating on TFT </li></ul></ul></ul><ul><ul><ul><li>Not bright enough & too many diffuse reflections to read </li></ul></ul></ul>
  4. 4. Optical bonding vs. air gap vs. laptop in sunlight- repeated with different screen shot <ul><li>1000 nit LC1502R 15” monitor </li></ul><ul><ul><ul><li>Left side of monitor </li></ul></ul></ul><ul><ul><ul><ul><li>Optically bonded, AR coating </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Minimal internal & surface reflections </li></ul></ul></ul></ul><ul><ul><ul><ul><li>You can discern color and read text. </li></ul></ul></ul></ul><ul><ul><ul><li>Right side of monitor </li></ul></ul></ul><ul><ul><ul><ul><li>Air gap, AR coated glass </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Internal & surface reflections reduce contrast </li></ul></ul></ul></ul><ul><li>12” screen on laptop </li></ul><ul><ul><ul><li>AG coating on TFT </li></ul></ul></ul><ul><ul><ul><li>Not bright enough & too much diffuse reflections to read easily </li></ul></ul></ul>
  5. 5. Optical bonding vs. air gap <ul><li>500 nit LB1500R monitor </li></ul><ul><ul><ul><li>Left side optically bonded </li></ul></ul></ul><ul><ul><ul><ul><li>Upper quadrant-AR glass </li></ul></ul></ul></ul><ul><ul><ul><ul><li>Lower quadrant-AG glass </li></ul></ul></ul></ul><ul><ul><ul><li>Right side of display </li></ul></ul></ul><ul><ul><ul><ul><li>Air gap with polished glass </li></ul></ul></ul></ul><ul><li>Internal & surface reflections reduce contrast in non-bonded area (right side) </li></ul><ul><ul><ul><li>Note specular reflection of fir trees reflecting off polished glass surface </li></ul></ul></ul><ul><ul><ul><li>Note loss of contrast on right side caused by internal and surface reflections </li></ul></ul></ul>
  6. 6. Why you should never demonstrate an optically bonded product to your customers when ambient light is low <ul><li>15” LB1500R : </li></ul><ul><ul><ul><li>50% optically bonded with AR film </li></ul></ul></ul><ul><ul><ul><li>50% air gap with polished glass </li></ul></ul></ul><ul><li>12” laptop on battery </li></ul><ul><ul><ul><li>AG on laptop screen </li></ul></ul></ul><ul><li>Lighting Condition: </li></ul><ul><ul><ul><li>Diffuse ambient, no sun on screen. Monitors are situated underneath an outdoor canopy. </li></ul></ul></ul><ul><li>Conclusion: without enough ambient light to generate glare, optical bonding will not demonstrate its value in limiting reflections. </li></ul><ul><ul><ul><li>Air gap on right side of monitor looks as good as the optically bonded left side of monitor </li></ul></ul></ul><ul><ul><ul><li>Laptop without bonding looks as good as the bonded (left) side of the monitor </li></ul></ul></ul>
  7. 7. Conclusions <ul><li>Optical bonding with a AR or AG surface treatments make displays legible in bright ambient viewing conditions. </li></ul><ul><li>For more information visit </li></ul><ul><li>www.planarembedded.com/optical-bonding </li></ul>

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