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Low Power for AR - DELO VR/AR HW Conference

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Low Power for AR - DELO VR/AR HW Conference

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Slide Deck of Microoled presentation at DELO AR/VR Hardware Conference in November 2022.

Summary: insights as a manufacturer of high-performance micro-displays for «Light » AR smart glasses product category for sports, industry, military and medical markets.
Speaker: Xavier Bonjour, ActiveLook Marketing Director at Microoled S.A.

Keywords: Augmented Reality, Smart Glasses, Heads-up Display, Micro-displays, Eyewear Technology, AR, ...

Slide Deck of Microoled presentation at DELO AR/VR Hardware Conference in November 2022.

Summary: insights as a manufacturer of high-performance micro-displays for «Light » AR smart glasses product category for sports, industry, military and medical markets.
Speaker: Xavier Bonjour, ActiveLook Marketing Director at Microoled S.A.

Keywords: Augmented Reality, Smart Glasses, Heads-up Display, Micro-displays, Eyewear Technology, AR, ...

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Low Power for AR - DELO VR/AR HW Conference

  1. 1. Page 1 VisualInformationinAction LowPower Electronics challengesforLightAR
  2. 2. Page 2 ”LiteAR”:obviousdemand,but…difficulttoaddress! Advanced AR (SLAM) Basic AR (smart HUD) Lite AR (wearables) CPU: “Gamer PC” like Display: Hidef CPU: “smartphone” like Display: Hidef CPU: “companion device” like Display: Compact & Low Power (NO Display !) ---------- Features Comfort & Design • AR has been and still is a difficult engineering problem: basic laws of physics make the the ideal weight / design / autonomy compromise conundrum difficult to solve. • The industry has answered his problem by making compromises which resulted in 3 segments: Advanced AR, Basic AR and Lite AR. • The basic rules of engagement in the Lite AR segment: • Weight < 40g • Autonomy of 1 day • Glasses are a Fashion business
  3. 3. Page 3 LowPoweriskeyto”LiteAR” Apps / Content Tools • The bigger the power consumption, the bigger the battery. • The bigger the battery, the more material is needed to cover it. • Ergonomic weight limit beyond which it starts to feel uncomfortable: 40g (1) • Battery Life requirement ( > 12 h) • Industry : 8 h shift -> 12h battery life • Consumer : 18-24 hours ( ex. Apple Watch) • To meet the battery weight budget of a few g only, power consumption needs to be a few 10mW • Low Power Smart Glasses Design implications: • Minimize computation in the glasses with low power CPU ( 5-10 mW) • Minimize Radio traffic (BLE TX & RX : 15 mW) • Minimize Display Power consumption (5mW) (2) Notes: (1) Wearing comfort and perceived heaviness of smart glasses, YM Kim, 2021; Expected to be less than 40g for “dynamic” activities. (2) Low Power µOLED :<5mW, µLED : 50-150mW, Laser based scanners: > 300mW) Power consumption (ActiveLook architecture as a reference)
  4. 4. Page 4 BATTERY 12 -24 hours battery life MICRO-DISPLAY SEE-THROUGH OPTICAL SYSTEM ELECTRONICS MODULE (BLE) ActiveLook® : a6ghead-updisplaymodule LENSES ActiveLook Design 2 SENSORS Ambient Light Gesture • Provide an integrated solution that focuses on “Low Power” AR, hence solving weight, autonomy, design and use case at the same time. • Position the platform as a companion technology of other devices to minimize the functions ( and power consumption) to be embedded in the glasses. • Facilitate the technology adoption and create a Network effect entry barrier with an ecosystem of content stimulated by an Open & Free API • Focus on mission critical use case: real time visual information in hand free or mobile activity use cases. Unique Microoled µdisplay • Low power: typ. 1mW , made possible because of “memory pixel” design to avoid need for refresh scanning • High Brightness: Efficient “Yellow” color OLED compound with tandem architecture. • Resolution: 304 x 256 pixels enabled by extremely high pixel density , 16 “grey” levels.
  5. 5. Thankyou!

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