The document outlines skills and experience in optical system design, analysis, programming, and innovations. It includes 29 issued US patents and licensing programs that have generated over $9.7 million in royalties. Examples are provided of optical designs for projection displays, micro projectors, illumination systems, and programming techniques for optical analysis software.

1. Skills and Experience
Optical System Design
and Analysis
Programming
Innovations
1 SM

2. 29 issued US patents
Mini TIR prism
configuration
Pending
•Licensing programs developed
•Hollow Light Tunnel (HLT) in 2001
•Transitioned from exclusive to non-exclusive in 2005
•TIR Prism in 2005
•Majority of royalties derived from settlements
• $9.7 MM in OI generated since inception
• $8.1 MM over last four years
(“Equivalent sales” at 20% OI ~ $50 million)
2 SM

3. Design
RPTV Optical Engines
based on 3M Vikuiti Core
xThree aspherical glass lenses
xNo mirror in red channel
xTotal dichroics area is 37 cm2
Equal optical path in all three channels
Red/Cyan dichroic has AOI=32°
No aspherical optics
xTotal dichroic area is 34 cm2
xFootprint is the problem
No aspherical lenses
Two identical fold mirrors with
aspherical reflective surfaces
Total dichroic area is 24 cm2
3 SM

4. Design
Optical Engine for Micro Projector
PBS LCoS 25x16x8 mm
Projection lens
25 mm
depth = 8.0 mm
18 mm
Fold mirror
LED with extracting lens
and hollow integrator
QWP with
reflective
polarizer
Geometrical Collection Efficiency is etendue limited
4 SM

5. Design & Analysis
Micro Projector
Illumination System Performance
Geometrical collection efficiency is ~96%
of etendue limitation
Overscan and illuminance uniformity
Color uniformity vs. pipe length
3 mm 2 mm 1 mm
5 SM

6. Design
Polarization Color Combiner
S-polarization Polarization Recycling
P-polarization
Random or circular
22.65 mm polarization
Blue LED
Circular
polarization
mirror Measured efficiency: ~25%
QWP@45°
Red LED
23.1 mm
Footprint 120 x 43 x 128 mm
mirror
Green/Magenta
ColorSelect Filter
QWP@45°
Blue/Red
ColorSelect Filter
Green LED
6 SM

7. Veiling Glare Design Technique and Programming
To compute and visualize criteria for mechanical design
without reflection from internal non-optical surfaces
Imager space Screen space
Surface invisible from
Surface invisible from screen space
imager space
7 SM

8. Veiling Glare Design Technique and Programming
Working screen
Computed data (preview)
Tabular and/or graphical
user interface to
visualize complicate
geometry
8 SM

9. Rainbow Programming
Orthodontic 3D camera uses photographic
color slide with required density distribution
Non-linear response of
photographic film is the challenge!
9 SM

10. Design Technique and Programming
Opto-Mechanical Sensitivity
Optomechanical Sensitivity and Tolerancing. SPIE Vol. 3786, pp. 220-228, 1999
Illustration of conceptual approach for clearance
(one of 13 possible primary errors)
clearance Datum axis
Element
axis
Element c1 c2
Element
axis axis
Nominal Vertical Rotation around c1 - Rotation around c2 -
position displacement center of curvature center of curvature
of left surface of right surface
- contact with the barrel
- retainer
Fig. 2 Clearance effect on position of optical
element for various mechanical layouts
10 SM

11. Opto-Mechanical Sensitivity Design Technique and Programming
A few examples of UI
11 SM

12. Opto-Mechanical Sensitivity Design Technique and Programming
Visualization of computed result
(WYGWYS)
12 SM

13. Programming for LightTools
LightTools Hardcopy Output
to print all LT model content
13 SM

14. Programming for LightTools
LightTools Illuminance Mesh
(to visualize and calculate light patch overlapping over the target)
14 SM

15. LightTools Menu Programming for LightTools
floating menu with child hierarchy to save screen real estate
and to avoid blind menu items
Monitor resolution: 1280 x 1024 Monitor resolution:1024 x 768
20% (!)
15% (!)
missing
Items (!!)
Developed floating always-on-top menu
with two formats which are available at
run-time
15 SM

16. Programming for Solid Works
Solar Concentrator
Shown geometry does not
represent real design and used for
illustration of Solid Works macro
output only.
16 SM

17. Example of LED-based Luminare Design for General Illumination
for Uniform Light Intensity Luminance Distribution
at 7.5 meters away
Refractive component
Reflective component (PMMA)
(hollow, mirrored surface)
relative irradiance
38 mm DIA 1
Irradiance across the field
LED is inside 0.9
hollow 0.8
reflector 0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0
12 mm field angle, degrees
94.7% energy inside this radius
17 (geometrical, no Fresnel loss) SM

18. Skills and Experience Summary
Optical system design
and analysis
Programming
Innovations
18 SM