ASTRI Proprietary

See Through Display Technologies

Opportunities & Challenges

Kenny Chan

24th Jun, 2016

ASTRI Proprietary 2

Agenda

Section One – Introduction on See Through Display Technologies- Signage- Automotive- Wearable

Section Two – ASTRI Intelligent Projection Technology Platform- Key technologies- Case study

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See Through Display – Dream Technologies

Minority Report (2002) Iron Man (2008)

Microsoft Hololens Magic Leap (MR)

ASTRI ProprietaryWearable (Virtual Image)

Automotive (Real & Virtual Image)Signage (Real Image)

See Through Display – its Applications

ASTRI Proprietary

See Through Display – Signage

LCD OLED

Projection on Glass

Source: flatpanelhd.com

Source: dhgate.com

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Brief Introduction on Related Technologies

6

https://www.youtube.com/watch?v=0aw58MUciWwMIT Video

http://www.sun-innovations.com/index.php/products/media-glass/colorhdSun Innovation Video

https://www.youtube.com/watch?v=X45bEnDF4yUPlanar Transparent OLED

https://www.youtube.com/watch?v=nMT0dL623pESamsung Transparent LCD

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See Through Display (Signage) - Benchmarking

OLED LCD Transparent Material on Glass

+ 2D Projection

Holographic

Screen

NanoParticle

Scatter Film

NanoParticle

Fluorescent Film

Manufacturers/

Inventor

Planar Systems/

Samsung/LG

Samsung/LG/

Crystal Display

Systems

3M MIT Sun Innovation

Transparency Poor, hazy Poor, hazy Poor, hazy Clear (yellowish base

color)

Water-clear

View Angle Large Medium Small (~35deg) Large Large

Display Area Small (55’’) Medium(84’’) Large(120’’) Very Small now Large (>100’’)

Display

Resolution

1920x1080 3840 x 2160 (4K) Unlimited(up to

projection)

Unlimited(up to

projection)

Unlimited(up to

projection)

Cost/Area Very High High Medium In Lab only Low

Substrate Glass Glass PVC Glass PET

Light Source Self-emissive need backlight Projection RGB Projection Blue only Projection blue & UV

7

Brightness is critical for all kinds of display !

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https://www.youtube.com/watch?v=Go9rf9GmYpM

Pepsi Signage Demo (AR Application)

https://www.youtube.com/watch?v=Go9rf9GmYpM

Brightness is one of technical challenges!

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See Through Display – Head Up Display (HUD)

Smart Driving (Safety, Comfort, Ecology, Convenience) for Smart City9

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HUD Market Trend

10

2011 2015 2019 Year

5 ~ 7inch (mono color)

5 ~ 10 inch (full color)

>25 inch

Vehicle Information

Navigation Assist

Navigation and ADAS Assist

Assist and communication for

driver with AR

10 ~ 25 inch

Display Size

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Brief Introduction on Related Technologies

Eye-boxCombiner

Windshield type HUD Optical Module

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Brief Introduction on Related Technologies

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Windshield Type (Pre-installed)

Combiner Type (Pre-installed)

Combiner Type (After-Market)

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Specification RequestVFD

(Legacy)LCD

(Dominant)DLP LCOS

Scanning Laser

Resolution eg. HD 720P

Brightness eg. 10,000nits/10W

Contrast >2000:1

Driving Difficulty -

ReliabiltyTemp. -25 0C~85 0C

Shock stability

Flexibility of display content

-

Wide Field of View >10degree

Cost -

Good Acceptable Poor

Comparison of HUD with different imagers

13

ASTRI Proprietary

See Through Display – Automotive (AR Application)

https://www.youtube.com/watch?v=0OdZXf1E7Z8PSA GROUP AR HUD DEMO

https://www.youtube.com/watch?v=iZg89ov75QQHyundai HUD Demo

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See Through Display – Wearable

Source: www.virtualrealityreporter.com

Source: www.slashgear.comSource: blogs.windows.com

Source: greenetworks.comBernard Kress (Google[X] Lab)

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Small FOV(14~25∘) AR HMD

“G” “S” “E”

FOV 15∘

20∘

23∘

Display Source LCoS LCOS/LCD(NA)? Si-OLED

Resolution 640x360 419x138 1280 x 720

Mono/Binocular Monocular Binocular Binocular

Combiner Type45

∘spliter prism with curved mirror

Holographic waveguideFreeform Partially Reflective

waveguide

Optical Structure

Photo

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Middle FOV(25~40∘) AR HMD

“L” “O” “D” “M”

FOV 40∘

30∘

40∘

30∘

Display Source LCoS LCoS LCoS LCoS

Resolution 1280x720 1280x720 NA 1280x720

Mono/Binocular Monocular Binocular Monocular Binocular

Combiner TypeCascaded Partially

Reflective Waveguide45

∘spliter plate

Transmission HolographicWaveguide

Holographic Waveguide

Optical Structure

Photo

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Large FOV(60~100∘) AR HMD

“M” “S” “I” “M”

FOV 90∘

110∘

60∘

NA

Display Source LCD 5’’ cell phone OLED Fiber Array Micro Projection

Resolution 1280 x 1440 NA 1024x768 3D light field display

Mono/Binocular Biocular Binocular Binocular

Combiner Type Off-axis tilting combinerOff-axis combiner with

relay curved mirrorWaveguide Reflector Array with

Fiber Array Micro Projection

Optical Structure

Photo

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See Through Display – Wearable (AR demo)

https://www.youtube.com/watch?v=o8fNdDkfw_wBlippar Vision on AR Glass

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Novel “Projection + Sensing” Intelligent Devices

ASTRI Intelligent Projection Technology Platform

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ASTRI Intelligent Projection Technology Platform

INTEGRATION

LEVEL

System

Module

Comp.

Portable

2012 HK ICT

Gold Award

Home

2014 HK ICT

Gold Award

Automotive Wearable

3D Projector

Portable Interactive

Surface (PIS)

Head Up Display

(HUD)Head Mounted

Display (HMD)

Laser

Holographic

Projector

2011 2013 2015 2017

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Key Technology – Smart Optics!

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Signal processing Optics

Signal processing Smart Optics

Signal processing « Smarter » Optics

Canesta TOF

Primesense

Kinect

What is needed

for HMDs

Signal processing OpticsLeapMotion

ASTRI is focusing on leveraging novel smart optics to offload

heavy demand on image processing

ASTRI Proprietary

Case Study: Combiner Type HUD

720p High Contrast

Optical Engine

LCoS VA Panel

Technologies to be developed• High contrast ratio LCoS microdisplay

• Ultra compact optical engine w/light recycling (eff. >90%)

• Efficient HUD optical system

High Contrast

800: 1

High Resolution

720p

HighBrightness

>10,000nits

VirtualImage

12”@2m

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Case Study: Smart Glass

720p High Contrast

Optical Engine

LCoS VA Panel

VirtualImage

12”@2m

High Contrast

800: 1

HighResolution

720p

VirtualTouch

1Point

Technologies to be developed• High contrast ratio LCoS microdisplay

• Ultra thin light illumination

• Miniaturized optical system

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Advantages• Focus free large virtual image (55”@6m)

• Power saving w/ passive thermal management (laser light source)

• High contrast ratio display image quality (>1000:1)

Technologies to be developed• Fast response phase modulation LCoS panel design & packaging

• Miniaturized laser holographic optics engine & system

• High contrast holographic display methodology

LCoS SLM Panel

Laser Holographic Engine

0

Windshield HUD System

Case Study: Windshield Type HUD

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Advantages• Simple Optical Structure and Compact Size of <30cc.

• Higher Light Efficiency of >40%

• Higher Brightness, Speckle-free (Motionless Speckle Suppression)

Technologies to be developed• High Power, Wide Throw Angle Laser Holographic Engine & System

• High Resolution Phase Modulation LCOS panel design & packaging

• High Contrast Computer Generation Hologram Algorithm Development

RGB Laser Display Violet(405nm) Laser Excited Display on Glass

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LCOS SLM

Optical Structure of RGB Module

Optical Structure of Violet Module

Case Study: 2D Laser Holographic Display

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END