Holographic Waveguide Display Technology — PatSnap Eureka
Holographic Waveguide Display Technology: Patent & IP Landscape
From volume holographic gratings to AI-driven CGH computation, this landscape maps the patent activity, key assignees, and emerging directions shaping AR glasses, automotive HUDs, and mixed reality systems through 2026.
How Holographic Waveguide Displays Work
Holographic waveguide displays function by injecting image-bearing light into a planar substrate via an in-coupling element — typically a volume holographic grating (VHG), surface-relief grating, or switchable Bragg grating — propagating it by total internal reflection, and extracting it across a pupil-expanding out-coupler region aligned with the user's eye.
The field sits at the intersection of coherent optics, spatial light modulation, photopolymer materials science, and computational holography. It has become a critical enabling technology for the next generation of augmented reality (AR) glasses, head-up displays (HUDs), and mixed reality systems.
Within this dataset, the technology organizes into three interrelated sub-domains: waveguide coupler design, holographic projector engines, and holographic optical element (HOE) combiners. Patent landscape analytics reveal distinct maturity phases from foundational filings (pre-2015) through active frontier research (2023–2026).
Four Core Innovation Clusters in Holographic Waveguide Displays
Patent and literature evidence from 1987–2026 organizes into four distinct engineering clusters, each addressing a specific technical challenge in the optical system.
Volume Holographic Grating Waveguides
The dominant commercial architecture uses volume phase holographic gratings recorded in photopolymer or photoresist layers adhered to a glass substrate. Slanted transmission or reflection gratings act as in-couplers and out-couplers, exploiting Bragg selectivity for color and angular filtering. Key challenges include diffraction efficiency uniformity, chromatic aberration across RGB channels, and photopolymer shrinkage causing Bragg angle shift. FictionArt's 2018 WO patent claims VPH reflection gratings with a Y-waveguide for vertical eyebox expansion.
99% peak diffraction efficiency demonstratedDigital Dynamic Hologram Projectors
Active holographic projection systems where a phase-modulating SLM (typically LCoS) computes and displays CGHs in real time, with the holographic wavefront injected into a planar waveguide. This approach enables focus cue rendering and eliminates the vergence-accommodation conflict (VAC) endemic to conventional AR optics. Microsoft's core 2019 US patent establishes the canonical architecture pairing a converging/diverging light source with a digital dynamic hologram feeding a waveguide.
Eliminates vergence-accommodation conflictSwitchable Bragg Grating & HPDLC Combiners
Holographic polymer dispersed liquid crystal (HPDLC) materials enable electrically switchable Bragg gratings (SBGs) that can toggle between diffracting and transparent states. This supports dynamic pupil steering and multiplexed holographic combiners for eyewear applications, with high transparency in the "off" state for unobstructed see-through viewing. SBG Labs' 2023 EP patent covers dual substrate architecture with angular and phase diversity for speckle reduction (despeckling).
High transparency in off-stateEyebox Expansion & Pupil Replication
A distinct engineering cluster addresses the fundamental limitation of small eyebox size inherent to waveguide combiners. Solutions include exit pupil replication via optical splitters, gaze-adaptive switchable holographic films, MEMS-based scanning systems, and hologram modification to compensate emission zone intensity fall-off. Envisics' 2026 EP patent modifies CGH computation to compensate for decreasing emission intensity across successive waveguide output zones, enabling uniform luminance over an expanded eyebox.
Contested IP territory: Microsoft, Google, EnvisicsPatent Activity & Performance Data
Key quantitative signals from the holographic waveguide display patent and literature dataset, 1987–2026.
Patent Filing Activity by Maturity Phase
The 2018–2022 scaling phase shows the highest filing density in the dataset, with Microsoft filing multiple EP/US iterations of its holographic projector family.
Active Patent Records by Top Assignee
Microsoft holds the most concentrated single-assignee portfolio with 6 active records; Envisics and Google/Salmick each hold 4.
Application Domain Distribution
AR smart glasses dominate active patent filings; automotive HUDs represent the clearest near-term commercialization pathway based on 2024 filing activity.
Photopolymer VHG Performance Benchmarks
Southeast University's 2021 acrylate photopolymer achieves 99% peak diffraction efficiency with 22 nm bandwidth and 28° FOV at 300 cd/m².
Assignee & Geographic Patent Landscape
Among retrieved patent records with clear assignee and jurisdiction data, filing concentration and geographic patterns reveal clear competitive dynamics.
| Assignee | Active Records | Primary Jurisdiction | Core Focus Area | Filing Span |
|---|---|---|---|---|
| Microsoft Technology Licensing, LLC | 6 records | EP, US | Holographic projectors for waveguide displays; wide-FOV HMDs | 2019–2025 |
| Envisics Ltd. | 4 records | GB, EP | Automotive HUD hologram waveguiding; windshield-integrated waveguides | 2023–2026 |
| Salmick Labs / Google LLC | 4 records | JP | Eyebox expansion; exit pupil replication for AR glasses | 2018–2023 |
| SeeReal Technologies S.A. | 3 records | EP, JP | SLM-based holographic display; holographic communications (VHIOIP) | 2018–2021 |
| SBG Labs Inc. | 2 records | EP | Wide-angle waveguide; interspersed grating arrays for FOV tiling | 2019–2023 |
| Samsung Electronics Co., Ltd. | 2 records | EP | See-through holographic display; PSF-based image preprocessing | 2019–2025 |
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Five Frontier Directions: 2023–2026 Filing Signals
Based on filings dated 2023–2026 in this dataset, five forward-looking technology directions are identifiable from patent and literature evidence.
Gaze-Adaptive Eye-Tracked Holographic Pupils
Microsoft's EP 2025 filing integrates an optical sensor to image eye position and activate specific holograms in a switchable holographic film array — a direct hardware solution to the eyebox vs. image quality trade-off. The EP 2022 filing combines stacked switchable gratings with real-time eye tracking for exit pupil steering.
Neural & AI-Driven CGH Computation
Carnegie Mellon University's time-multiplexed neural holography (2022) and the holography and future of 3D display review (2021) both point to machine learning-based CGH algorithms approaching real-time processing at practical resolutions. VividQ Limited's GB 2025 patent implements LED and multi-mode laser illumination CGH, lowering hardware cost barriers.
Windshield-Integrated Holographic Waveguides
Envisics Ltd.'s two 2024 GB patents elevate the vehicle windshield from passive combiner to active waveguide medium, enabling large-format AR HUDs without additional optical elements. CY Vision's JP HUD patent (2024) adds IPD-adaptive wavefront control. This represents one of the clearest near-term commercialization pathways given automotive OEM investment cycles.
Nanowire microLED Light Engines
Magic Leap's JP 2025 filing introduces nanowire LED arrays with narrow emission profiles as light engines for waveguide-coupled AR systems, potentially replacing LCoS SLMs and enabling higher luminance efficiency. The system places virtual content on multiple depth planes via waveguide eyepieces.
IP Strategy Considerations for R&D Teams
Microsoft holds the broadest active waveguide holographic projector portfolio in this dataset across both EP and US jurisdictions, with six active records spanning 2019–2025. R&D teams developing competing near-eye holographic display systems must conduct freedom-to-operate analysis around the digital dynamic hologram / converging-diverging light source architecture, particularly claims covering both reflective and transmissive hologram modes.
Envisics Ltd.'s automotive HUD patent cluster (GB, 2023–2026) defines a relatively uncontested application-specific niche not directly contested by Microsoft or Samsung in this dataset. The windshield-as-waveguide architecture represents a differentiated IP position for OEM licensing or direct automotive supply. Learn more about materials and photonics IP landscapes on PatSnap.
AI-driven CGH computation is transitioning from academic literature to commercial patent filings: The gap between Carnegie Mellon's 2022 neural holography publication and VividQ's 2025 patent filing illustrates the typical 2–3 year translation cycle. R&D teams should anticipate CGH algorithm patents entering prosecution now that will shape licensing landscapes in 2027–2029. EPO filing trends confirm accelerating AI-optics patent activity.
Eyebox expansion and exit pupil replication are contested IP territories with overlapping claims across Microsoft, Google/Salmick Labs, and Envisics. Any product combining laser scanning, holographic combiners, and exit pupil replication should receive thorough IP clearance given the dense JP/EP filing activity in this specific sub-area. PatSnap customers use Eureka to map these overlapping claim landscapes efficiently.
Holographic Waveguide Display Technology — key questions answered
Holographic waveguide display technology encompasses optical systems that use diffractive or holographic elements embedded within planar waveguides to couple, guide, and extract light, delivering virtual or augmented imagery directly to a user's eye. The field sits at the intersection of coherent optics, spatial light modulation, photopolymer materials science, and computational holography, and it has become a critical enabling technology for the next generation of augmented reality (AR) glasses, head-up displays (HUDs), and mixed reality systems.
Microsoft Technology Licensing, LLC holds 6 active patent records (EP and US jurisdictions), covering holographic projectors for waveguide displays (2019–2025) and wide-FOV holographic HMDs — the most concentrated single-assignee portfolio in this dataset. Envisics Ltd. holds 4 active patent records (GB and EP), targeting hologram waveguiding with automotive HUD specialization. Salmick Labs Inc. / Google LLC hold 4 JP records covering eyebox expansion, with assignee evolution from Salmick Labs (2018, 2020) to Google LLC (2022–2023), indicating corporate IP consolidation.
The technology organizes into four interrelated clusters: (1) Volume Holographic Grating Waveguides — the dominant commercial architecture using volume phase holographic gratings recorded in photopolymer layers; (2) Digital Dynamic Hologram Projectors with Waveguide Injection — active holographic projection systems using phase-modulating SLMs; (3) Switchable Bragg Grating and HPDLC Combiners — electrically switchable Bragg gratings that toggle between diffracting and transparent states; and (4) Eyebox Expansion and Pupil Replication Architectures — engineering solutions to the fundamental limitation of small eyebox size.
Based on filings dated 2023–2026, five forward-looking directions are identifiable: (1) Gaze-adaptive and eye-tracked holographic pupils; (2) Neural and AI-driven CGH computation; (3) Windshield-integrated holographic waveguides for automotive; (4) Nanowire microLED light engines integrated with waveguide eyepieces; and (5) PSF-based digital correction of waveguide optical aberrations.
Eyebox expansion and exit pupil replication are contested IP territories with overlapping claims across Microsoft, Google/Salmick Labs, and Envisics. Any product combining laser scanning, holographic combiners, and exit pupil replication should receive thorough IP clearance given the dense JP/EP filing activity in this specific sub-area.
Southeast University (2021) demonstrated green-sensitive acrylate photopolymer VHGs achieving 99% peak diffraction efficiency, 22 nm bandwidth, and 28° diagonal field of view (FOV) at 300 cd/m² luminance. The University of Alicante (2020) demonstrated polyvinyl alcohol-acrylamide HPDLC gratings at 1690 lines/mm achieving sufficient refractive index modulation for high diffraction efficiency in a see-through waveguide.
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References
- Holographic Projector for Waveguide Display — Microsoft Technology Licensing, LLC, 2019, US
- Holographic Projector for Waveguide Display — Microsoft Technology Licensing, LLC, 2020, EP
- Holographic Projector for Waveguide Display — Microsoft Technology Licensing, LLC, 2021, EP
- Holographic Wide Field of View Display — Microsoft Technology Licensing, LLC, 2022, EP
- Holographic Display — Microsoft Technology Licensing, LLC, 2025, EP
- Hologram Waveguiding — Envisics Ltd., 2026, EP
- Hologram Waveguiding — Envisics Ltd., 2024, GB
- Hologram Waveguiding (Object Detection) — Envisics Ltd., 2024, GB
- Holographic Wide Angle Display — SBG Labs Inc., 2019, EP
- Transparent Waveguide Display — SBG Labs Inc., 2023, EP
- Compact Holographic Eyeglass Display — Popovich, Milan Momcilo, 2018, EP
- Volume Phase Holographic Waveguide for Display — FictionArt, Inc., 2018, WO
- Optical Apparatus for Head Wearable Display, with Lightguide with Multiple In-Coupling Holograms — Google Inc., 2021, EP
- Holographic Display Apparatus and Holographic Display Method — Samsung Electronics Co., Ltd., 2025, EP
- Systems, Devices, and Methods for Eyebox Expansion in Wearable Head-Up Displays — Salmick Labs Inc., 2023, JP
- 2D/3D Holographic Display System — Two Trees Photonics Limited, 2018, EP
- Holographic Display — SeeReal Technologies S.A., 2018, EP
- Wearable Display System with Nanowire LED Microdisplays — Magic Leap, 2025, JP
- Computer-Generated Holographic Display System — VividQ Limited, 2025, GB
- Waveguide Display Device and Augmented Reality Display Apparatus — Beijing Xiaomi Mobile Software Co., Ltd., 2024, EP
- European Patent Office (EPO) — Patent Filing Trends in Photonics and Display Technologies
- WIPO — Global Patent Landscape Reports: Augmented Reality and Display Technologies
- IEEE — Publications on Holographic and Waveguide Display Systems
All data and statistics on this page are sourced from the references above and from PatSnap's proprietary innovation intelligence platform. This landscape is derived from a limited set of patent and literature records retrieved across targeted searches and represents a snapshot of innovation signals within this dataset only.
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