• Company Background
  • Dr. Zane Coleman
  • Dr. Coleman's CV
  • Publications
  • Issued Patents
Company Background

Phostech LLC is a Chicago area limited liability company connected to a network of IP law firms, electrical engineers, and optical component and system suppliers. Founded in 2003 by Dr. Zane Coleman, Phostech has a history of providing patent-related services and innovative optical prototype, testing, and design services to large and small companies. Phostech leverages its network to provide increased value and opportunities to clients around the world.

Innovation & Patent Experience

Dr. Zane Coleman has a long history of innovation leading to numerous patents. From initial patents originating from his doctoral work in physics to pending applications derived from his work with an optical component and system start-up company, he has consistently demonstrated the ability to create and develop new products and innovations. He is a patent agent registered to practice before the U.S. Patent Office and has drafted, filed, and prosecuted patent applications on his inventions in the areas of:

  • LED lighting systems (optics, materials, smart-lighting systems, LED bulbs, and others)
  • Illumination systems (edge-lit, direct-lit, fluorescent, LED, quantum dot, OLED)
  • Display systems (microprojectors, projection screens, LED displays, electrophoretic and bistable displays, LED and CCFL backlights, dual-view displays)
  • Biometric systems
  • Optical films (multi-functional, collimation films, high-efficiency, holographic, diffractive, polarizing)
  • Methods of manufacturing optical components (film extrusion, injection molding, embossing)

Dr. Coleman has directed or participated in many brainstorming sessions that have resulted in numerous patents. He has refined his applied experience in patent strategy gained from his work in large companies, start-up companies, and accredited patent strategy courses.

 

NOTE: While Dr. Zane Coleman is a registered patent agent, he is not an attorney. References or comments related to legal documents, including contracts, assignments, trademarks, legal opinions, patentability opinions, patent validity, and other legal topics are only provided for information purposes and should not be construed as legal advice. For questions or concerns related to legal topics, it is strongly recommended to consult with an attorney.

                                                            Dr. Zane Coleman                                    (PDF Version)

LED Lighting, Display, and Optical Consultant

PROFILE    

  • Expertise in LED Lighting, backlights, displays, lightguides, and optical technology
  • Inventor on 107 issued patents
  • Expertise and analytical skills for optical and physical product analysis
  • USPTO Registered Patent Agent

EMPLOYMENT

Phostech                              President                                                    2009 – Present

  • Optical consulting, Patent prosecution services
  • Expert reports, depositions, and court testimony on validity and infringement for defendant, SVV Tech. Innov. Inc. v ACER INC.
  • Expert reports (5) on infringement and validity rebuttal, depositions (3), Ultravision v. Holophane Europe LTD, Yaham Optoelectronics, Samsung Electronics Co. Ltd. relating to area lighting fixtures
  • Expert declarations (3) and deposition for Petitioners Technical Consumer Products, Inc., Nicor Inc., Amax Lighting, Inc. in IPR petitions for LSG Corp. LED light fixture patents
  • Expert declarations related to LED light fixtures in Ultravision Technologies, LLC v. Lamar Advertising Co.
  • Submitted declarations for 12 USPTO Inter partes reviews related to backlights and light fixtures
  • Expert declaration, deposition in Morgan Solar, Inc. v. Banyan Energy Inc., USPTO PTAB Interfer No. 105,972
  • Invented backlights, flexible lightguide technology, waveguides, LED bulbs based on waveguides, LED light fixture configurations, concentrating solar collection systems, other illumination devices

Fusion Optix Inc.                  VP Technology & Dir. of Technology         2006-2009

  • Led the research strategy and transfer of technology to product engineering in a fast paced small company providing innovation in the display and LED lighting industries
  • Developed technology roadmaps, intellectual property strategy, & competitive benchmarking
  • Invented more than 35 unique, patentable products and drafted & prosecuted 60+ patent applications
  • Managed and researched optical films, display backlights, LED light fixture, and LED light bulb projects
  • Co-developed the optical system of a Lightfair 2009 Innovation Award-winning light fixture

                                            Manager, Optical Engineering                   2005-2006

  • Developed and prototyped micro-replicated, multi-functional optical films for displays and light fixtures through optical modeling, prototyping, analysis, and specification
  • Designed and managed optical film, LED backlight, and light fixture optical and thermal characterization lab
  • Led polymer based optical film research including production and optical characterization

Phostech                              President                                                   2003-2005

  • Optical design and analysis of diffusing films, refractive-TIR films, displays, LCD backlights, lightguides, illuminated signs, head-up displays, and light fixtures
  • Invented new optical films, light fixtures, projection screens, backlights and displays

Motorola Labs                      Senior Physicist                                        1997-2002

  • Optically designed and constructed world’s first personal micro-projector (US Patent 6,637,896)
  • Designed reflection and transmission micro-structured optical films for LCDs
  • Designed and developed 3 new optical film products with suppliers, including an optical film with 3M which was shipped in over 100 million cellular phones
  • Analyzed thermal and optical properties of products including developing new measurement techniques

ImEdge Technology Inc.       Optical Engineer                                      1993-1997

  • Co-invented new methods for recording edge-lit holograms and edge-lit devices for display and biometric applications (7 issued patents)
  • Modeled, recorded, and performed optical and thermal analysis of optical components and systems

EDUCATION

  • Ph.D. in Physics, Loughborough University (UK) 1997
  • Applied rigorous coupled wave diffraction theory to model and analyze recorded edge-lit holograms
  • Thesis: Modern Holographic Recording and Analysis Techniques Applied to Edge-Lit Holograms and their Applications
  • BSc. in Applied Physics, Certificate in Optics, Georgia Institute of Technology (1992)

Zane Coleman's Publications
  1. “Challenges and opportunities for light management optics in LED lighting systems,” LEDs 2008 Conference, San Diego, CA, (2008)
  2. “Optically efficient displays and solid-state lighting systems using anisotropic polymer films,” SID, New England Chapter, Dec. (2006)
  3. “Novel high brightness LED backlight design and optimization,” Mark Chu, Zane Coleman, Kurt Henrickson, Terry Yeo, Americas Display Engineering and Applications Conference, Atlanta, GA (2006)
  4. “Head-mounted displays for visual communication,” Zane Coleman, George Valliath, Motorola Hermes, internal conference (2000)
  5. “LCD glare avoidance using a surface relief diffractive optical element,” Zane Coleman, George Valliath, Motorola Publication via www.IP.com <Download PDF>
  6. “Display optical enhancement films,” Zane Coleman, George Valliath, Robert Akins, Kevin Jelley” Motorola Hermes, internal conference (1999)
  7. “Design of hologram for brightness enhancement in color LCDs,” G.T. Valliath, Z.A. Coleman, J.L. Schindler, R. Polak, R.B. Akins, K.W. Jelley, Society for Information Display ’98, Conference Proceedings Vol. 29, p. 1139, Anaheim, CA (1998) <Download PDF>
  8. “Modern holographic recording and analysis techniques applied to edge-lit holograms and their applications,” Ph.D. in Physics Thesis, Loughborough University, Loughborough, England (1997) <Download PDF>
  9. “Holographic optical element for compact fingerprint imaging system”, M.H. Metz, N. J. Phillips, Z. A. Coleman, C. Flatow, Optical Security and Counterfeit Deterrence Techniques, SPIE Proceedings vol. 2660, San Jose, CA (1996) <Download PDF>
  10. “Holograms in the extreme edge illumination geometry”, Zane A. Coleman, Michael H. Metz, Nicholas J. Phillips, Holographic Materials II, SPIE Proceedings vol. 2688, San Jose, CA (1996) <Download PDF>
  11. “Binary amplitude and holographic recording of light patterns in Du Pont’s photopolymers-some comparisons”, N.J. Phillips, C. Wang, C.A. Barnett, Z. A. Coleman, Holographic Materials, SPIE Proceedings Vol. 2405, San Jose, CA, (1995)
  12. “The use of edge-lit holograms for compact fingerprint capture”, M. Metz, C. Flatow, Z. Coleman, N.J. Phillips, CardTec SecureTec, April 10th, (1995)
  13. “Links between holography and lithography,” Phillips, Nicholas J.; Barnett, Christopher A.; Wang, Ce; Coleman, Zane A., Proc. SPIE Vol. 2333, p. 206-214, Fifth International Symposium on Display Holography, Tung H. Jeong; Ed. (1995) <Download PDF>
  14. “Dichromated gelatin--some heretical comments”, N.J. Phillips, R. D. Rallison, C. A. Barnett, S. R. Schicker, Z. A. Coleman, Practical Holography VII:Imaging Materials, SPIE vol. 1914, pp 101-114 (1993) <Download PDF>
  15. “Novel methods for the creation of silver-free images in holography, using conventional silver halide emulsion”, N.J. Phillips, Z.A. Coleman, C. Wang, Holographic Systems, Components, and Applications, IEE Conf. Publication No 379, Neuchatel, Switzerland (1993) <Download PDF> 
  16. “Holograms in the edge-illuminated geometry-new materials developments”, N.J. Phillips, C. Wang, Z. Coleman, Practical Holography VII:Imaging Materials, SPIE vol. 1914, pp 75-81 (1993) <Download PDF>
Issued Patents (Zane Coleman, Inventor)
  1. 12,366,698 Light emitting device including a light absorbing cladding region on edges of a core layer of a film-based lightguide
  2. 12,262,154 Reflective display comprising coupling lightguides folded at different fold angles
  3. 12,228,762 A light emitting display with a film-based lightguide frontlight, a reflective spatial light modulator, and a housing positioned in an edge region
  4. 12,185,442 Method of illuminating an environment using an angularly varying light emitting devices and a target illuminance for a spatial zone
  5. 12,135,450 Method of manufacturing a display using a film-based lightguide and diffusely reflective release liner
  6. CN113678035 Reflective display comprising a lightguide and light turning film creating multiple illumination peaks
  7. 12,117,639 Film-based lightguide with interior light directing edges with curved sections in a tapered light mixing region
  8. 11,994,698 Film-based frontlight with angularly varying diffusion film
  9. 11,966,116 Reflective display comprising a lightguide and light turning film creating multiple illumination peaks
  10. 11,947,149 Reflective display with film-based lightguide frontlight including light turning film with coated surfaces
  11. CN113678036 Reflective display including coupling lightguides folded at different fold angles
  12. CN113678034 Front illumination lightguide with a diffusely reflective release liner
  13. 11,889,603 System for illuminating an environment with reduced shadows using two angularly varying light emitting devices
  14. 11,828,966 Transmissive display Including a backlight with multiple stacked lightguides with a fold
  15. 11,703,626 Light emitting device with film-based lightguide and added reflecting surfaces
  16. 11,681,305 Fluid transfer component for transferring thermal energy comprising a film with fluid channels
  17. CN113272693 Film-based frontlight with angularly varying diffusion film
  18. 11,640,026 Automobile with conformal film-based lightguide
  19. 11,576,243 Angularly varying light emitting device with a light sensor
  20. CN111542772 Light emitting device with film-based lightguide and added reflecting surfaces
  21. 11,513,274 Lightguide with a light input edge between lateral edges of a folded strip
  22. EP2683980 Light emitting device with adjustable light output profile
  23. BR112012026327 Front illumination device comprising a film-based light guide
  24. EP2558776 Front illumination device comprising a film-based lightguide
  25. 11,442,213 Film-based lightguide with extended coupling lightguide region
  26. 11,275,204 Reflective display including a frontlight with multiple stacked lightguides with a fold
  27. IN369030 Sign comprising a film based lightguide
  28. 11,256,025 Film-based lightguide with adhered component between fold region and extraction region
  29. 11,184,967 Angularly varying light emitting device with an imager
  30. 11,092,977 Fluid transfer component comprising a film with fluid channels
  31. 11,009,646 Film-based lightguide with interior light directing edges in a light mixing region
  32. 10,935,716 Film-based lightguide with bend positioning strips behind an extraction region
  33. 10,816,939 Method of illuminating an environment using an angularly varying light emitting device and an imager
  34. 10,802,196 Reflective display including a lightguide, light redirecting optical element, and cladding layer
  35. KR102165542 Front illumination device comprising a film-based lightguide
  36. CA2796515 Front illumination device comprising a film-based lightguide
  37. 10,598,848 Light emitting device comprising a lightguide with a glass core layer
  38. EP2558775 Illumination Device Comprising A Film-Based Lightguide
  39. 10,466,409 Light emitting device comprising a film-based lightguide restrained by a component conducting heat from a light source
  40. 10,429,577 Light emitting device with a high luminous flux density in a film-based lightguide
  41. 10,401,876 Fluid collection component comprising a film with fluid channels
  42. 10,393,941 Display with reflective spatial light modulator and a film-based lightguide folded behind the modulator to receive light from a light source positioned on an electrical display connector
  43. 10,307,871 Device with dynamic optical states using fluids with different optical properties
  44. 10,254,472 Film-based light fixture for illumination beneath a ceiling tile
  45. 10,215,905 Film-based lightguide having a stacked array of coupling portions wrapped by a portion of a light mixing region
  46. 10,191,199 Display including a film lightguide bent around a guide element
  47. KR101939719 Front illumination device comprising a film-based lightguide
  48. 10,175,413 Light emitting device comprising a film-based lightguide and reduced cladding layer at the input surface
  49. 10,073,208 Light emitting device including film lightguide with a light mixing region and light emitting region
  50. 10,036,847 Film-based light fixture with light reflecting layer and fastener
  51. CA2829388 Light emitting device with adjustable light output profile
  52. KR101821727 Front illumination device comprising a film-based lightguide
  53. 9,804,607 Fluid transfer systems, devices, components, and methods of manufacture
  54. 9,798,075 Film-based light fixture with see-through light emitting region
  55. 9,690,032 Lightguide including a film with one or more bends
  56. JP6132762 Front illumination device comprising a film-based lightguide
  57. 9,651,729 Reflective display comprising a frontlight with extraction features and a light redirecting optical element
  58. 9,645,304 Directional front illuminating device comprising a film based lightguide with high optical clarity in the light emitting region
  59. 9,566,751 Methods of forming film-based lightguides
  60. 9,557,473 Reflective spatial light modulator display with stacked lightguides and method
  61. 9,523,807 Device comprising a film-based lightguide and component with angled teeth
  62. 9,110,200 Illumination device comprising a film-based lightguide
  63. 9,103,956 Light emitting device with optical redundancy
  64. 9,028,123 Display illumination device with a film-based lightguide having stacked incident surfaces
  65. 8,958,698 Versatile remote control device and system
  66. 8,950,902 Light emitting device with light mixing within a film
  67. 8,917,962 Method of manufacturing a light input coupler and lightguide
  68. 8,905,610 Light emitting device comprising a lightguide film
  69. CA2702600 Light emitting devices and applications thereof
  70. CA2702690 Light emitting devices and applications thereof
  71. CA2702685 Light emitting devices and applications thereof
  72. 8,794,812 Light emitting devices and applications thereof
  73. 8,783,898 Light emitting devices and applications thereof
  74. 8,761,565 Arcuate lightguide and light emitting device comprising the same
  75. 8,721,152 Light emitting devices and applications thereof
  76. 8,619,363 Light redirecting element comprising a forward diffracting region and a scattering region
  77. 8,434,909 Light emitting display with light mixing within a film
  78. 8,430,548 Enhanced light fixture with volumetric scattering
  79. 8,408,775 Light recycling directional control element and light emitting device using the same
  80. 8,249,408 Method of manufacturing an optical composite
  81. 8,233,803 Versatile remote control device and system
  82. 8,231,256 Light fixture comprising a multi-functional non-imaging optical component
  83. 8,177,408 Light filtering directional control element and light fixture incorporating the same
  84. 8,033,706 Lightguide comprising a low refractive index region
  85. 8,033,674 Optical components and light emitting devices comprising asymmetric scattering domains
  86. 7,991,257 Method of manufacturing an optical composite
  87. 7,914,192 Enhanced light diffusing sheet
  88. 7,784,954 Polarization sensitive light homogenizer
  89. 7,758,227 Light fixture with curved light scattering region comprising ellipsoidal domains
  90. 7,722,224 Illuminating device incorporating a high clarity scattering layer
  91. 7,542,635 Dual illumination anisotropic light emitting device
  92. 7,453,636 High contrast optical path corrected screen
  93. 7,453,635 Imaging material with improved contrast
  94. 7,431,489 Enhanced light fixture
  95. 7,408,707 Multi-region light scattering element
  96. 7,278,775 Enhanced LCD backlight
  97. 7,015,893 Photoluminescent electrophoretic display
  98. 6,861,788 Switchable display/mirror method and apparatus
  99. 6,637,896 Compact projection system and associated device
  100. 6,636,285 Reflective liquid crystal display with improved contrast
  101. 6,151,142 Grazing incidence holograms and system and method for producing the same
  102. 6,061,463 Holographic fingerprint device
  103. 5,986,746 Topographical object detection system
  104. 5,974,162 Device for forming and detecting fingerprint images with valley and ridge structure
  105. 5,822,089 Grazing incidence holograms and system and method for producing the same
  106. 5,710,645 Grazing incidence holograms and system and method for producing the same
  107. EP0749610 Compact device for producing an image of the topological surface