Janos Keresztes
Sr. Hardware Engineer
San Jose,CA
Summary
Sr. hardware engineer, specialized in display optics eager to contribute, lead a team's success through hard work, attention to detail and excellent communication skills. Strong expertise in imaging, optics, and sensing. Proven track record in algorithm, ML development for display QC, and sensing systems for consumer 2D backlight and AR display products. Optical simulation for performance optimization. Leadership experience in driving next gen. AR projector modules on schedule.
Key achievements:
7 shipped Apple products
6 published patents
17 publications
10 people HW team leadership
Overview
12
12
years of professional experience
17
17
years of post-secondary education
2
2
Certifications
3
3
Languages
Work History
Sr Hardware / Sr. Optical Systems Eng. Lead
CY Vision
San Jose, CA
02.2023 - Current
- Presented at SID-2023 Display week paper on novel algorithm for improved computer generated holograms.
- Created, executed plans for prototyping assembly, optical performance evaluation of PGUs, HUD.
- Bridged leadership and engineering cross-functional needs for improved productivity.
- Led eight-person hardware team working on new generation of projectors, speeding-up by 1.5x deliverables.
- Led vendor interactions for defining requirements, manufacturability of optical components such as lenses, DLP, LEDs, for 20% cost reduction, deliverables.
Sr. Hardware / Display Engineer Lead
Amazon Glow
Sunnyvale, CA
04.2022 - 01.2023
- Drove projector mass-production IQ supply chain method, DLP baed pico-projectors optical system failure analysis such as the lenses and heat impact, resulting in a 2% improvement in yield.
- Led a ten-person hardware team working on the next generation of projectors, influencing cross-functional teams, resulting in a 10% cost reduction and a twofold increase in resolution over the previous generation.
- Doubled resolution of projectors generation-to-generation while leading 10-member hardware team.
- Maintained product completion timeline by managing vendor interactions and switching LCOS vendors.
- Defined hardware specifications of non-imaging, imaging, polarization optics, linking existing customer feedback for best user experience of optical systems.
Hardware / Optical Display Engineer
Apple
Cupertino, CA
09.2017 - 03.2022
- Modeled, characterized, prototyped, patented display optical modules (2D backlight) integrated in iPad Pro, MacBook Pro, Homepod products.
- Lead HPC virtual prototyping solutions, from concept, investment proposal, to corporate-level integration, shortening prototyping phase from 6 to 3 months for Siri HomePod user experience.
- Established QC, process improving yield +3%, cost-down by +$500k.
- HomePod vendor management with 3X cost-down.
- Shipped XDR Pro display (designed, patented matte finish), AirPods Pro LED & HomePod mini ( +3x brightness), iPad, MacBook Pro (LED QC CV), Studio Display (QC CV).
- Contributed to specification definition, optical modeling of Vision Pro front display.
- Defined optical hardware specifications, derived optical models for HomePod product line and future roadmap, Mac Matte front screens based on customer feedback.
- Filed 6 patents on technology currently used in 10+ different Apple products.
Applied Data Scientist / Optical
KU Leuven University
Leuven, Belgium
01.2012 - 09.2017
- Collaborated, led projects with IMEC research institute, agro-food industries to demonstrate new ML spectral sensor applications, such as remote sensing and food quality control.
- Developed, demonstrated optical sensor systems for improved real-time ML inspection, published 16 papers.
- Supervised 3 master students in their thesis, leading each to a PhD degree (biomechanics, mechatronics).
- Supervised 2 researchers in infrared spectral imaging, ML which lead to 6 publications and tenure teaching positions.
- Published collaboration in design of experiments (DOE) with Peter Goos, JMP.
- Designed and prototyped an infrared illumination optical system for spectral imaging using FRED, Light Tools.
Hardware / Electrical Engineer
Holografika
Budapest, Hungary
09.2011 - 12.2011
- Developed computer vision (CV) algorithms with 30x speed-up, FOS user-experience improvement of AR content for 3D light-field displays.
- Developed new CV 3D depth sensing algorithms for interactive AR.
- Tested, documented FPGA accelerated real-time color correction video streaming.
- Translated customer-facing requirements in to hardware specifications.
Education
Master of Science - Optical Sciences
University of Arizona
Tucson, AZ 01.2022 - Current
EMBA - Business
Quantic School of Business & Technology
WA DC, USA 03.2017 - 03.2018
PhD. Bioengineering - Biophotonics, ML, CV
KU Leuven
Leuven, Belgium 01.2012 - 06.2017
Research Associate - Optical Engineering
College of Optical Sciences
University Of Arizona, USA 01.2015 - 06.2017
Masters of Engineering - Electrical Engineering, CV
University of Liege
Liege, Belgium 01.2009 - 01.2011
Bachelor of Engineering - Software Engineering
University of Liege
Liege, Belgium 09.2004 - 09.2009
Skills
Illumination Optical Design
undefinedTimeline
Sr Hardware / Sr. Optical Systems Eng. Lead
CY Vision
02.2023 - Current
Sr. Hardware / Display Engineer Lead
Amazon Glow
04.2022 - 01.2023
Master of Science - Optical Sciences
University of Arizona
01.2022 - Current
Hardware / Optical Display Engineer
Apple
09.2017 - 03.2022
EMBA - Business
Quantic School of Business & Technology
03.2017 - 03.2018
Research Associate - Optical Engineering
College of Optical Sciences
01.2015 - 06.2017
PhD. Bioengineering - Biophotonics, ML, CV
KU Leuven
01.2012 - 06.2017
Applied Data Scientist / Optical
KU Leuven University
01.2012 - 09.2017
Hardware / Electrical Engineer
Holografika
09.2011 - 12.2011
Masters of Engineering - Electrical Engineering, CV
University of Liege
01.2009 - 01.2011
Bachelor of Engineering - Software Engineering
University of Liege
09.2004 - 09.2009
Patents
- Display Device - CN210954546U
- Electronic Device With Visual Feedback - US20200393121A1
- Textured Cover Assemblies for Display Applications - US20200379143A1
- Direct Backlight Display with LEDs - CN209525546U
- Displays with Direct-lit Backlight Units and Light Spreading Structures - US10802336B2
- Displays with Direct-lit Backlight Units - TWI700533B, US10901260B2
Patents 2017-2021
- Display Device - CN210954546U
- Electronic Device With Visual Feedback - US20200393121A1
- Textured Cover Assemblies for Display Applications - US20200379143A1
- Direct Backlight Display with LEDs - CN209525546U
- Displays with Direct-lit Backlight Units and Light Spreading Structures - US10802336B2
- Displays with Direct-lit Backlight Units - TWI700533B, US10901260B2
Publications
Publication list available upon request or on Linkedin profile.
Skills
- Software:
Simulation software, Ansys SPEOS, Zemax, FRED, LightTools, TracePro, NX, SolidWorks, Matlab, JMP, Creo, Rhino 3D, image processing, machine learning (ML), computer vision (CV), OpenCV, C++, Python, Unity, NI LabView, design of experiments (DOE), design of computer experiments, kriging, statistic, data analysis, scripting, image quality, distributed computing
- Hardware:
Hardware development, prototyping, optical metrology, FA, vendor driving, spectroscopy, sensing, illumination design, cost-down, Design Expertise, Mass Production, Testing, Performance Evaluation, Performance Specifications, sensors, optical components, tolerance analysis, automation, photonics
- Personal:
Project Management, Communication, Process Development, Ability To Travel, Collaboration Skills, Engineering documentation, communicate to executive leadership, self-motivated, teamwork, multi-tasker, leadership, troubleshooting, strategic decision-making, planning
Patents 2017-2021
- Display Device - CN210954546U
- Electronic Device With Visual Feedback - US20200393121A1
- Textured Cover Assemblies for Display Applications - US20200379143A1
- Direct Backlight Display with LEDs - CN209525546U
- Displays with Direct-lit Backlight Units and Light Spreading Structures - US10802336B2
- Displays with Direct-lit Backlight Units - TWI700533B, US10901260B2
Publications
Publication list available upon request or on Linkedin profile.
Skills
- Software:
Simulation software, Ansys SPEOS, Zemax, FRED, LightTools, TracePro, NX, SolidWorks, Matlab, JMP, Creo, Rhino 3D, image processing, machine learning (ML), computer vision (CV), OpenCV, C++, Python, Unity, NI LabView, design of experiments (DOE), design of computer experiments, kriging, statistic, data analysis, scripting, image quality, distributed computing, data science, scripting langagues
- Hardware:
Hardware development, prototyping, optical metrology, FA, vendor driving, spectroscopy, sensing, illumination design, cost-down, Design Expertise, Mass Production, Testing, Performance Evaluation, Performance Specifications, sensors, optical components, tolerance analysis, automation, photonics, lens design, diffractive optics, polarization, augmented reality, system performance, hardware design
- Other:
Project Management, Communication, Process Development, Ability To Travel, Collaboration Skills, Engineering documentation, communicate to executive leadership, self-motivated, teamwork, multi-tasker, leadership, troubleshooting, strategic decision-making, planning, technical leadership, user-experience
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