# Automotive Infotainment & In-Vehicle Experience

Topic radar · 6,266 documents · 2021-01-01–2026-10-20 · updated 2026-10-21

Canonical: https://slate.greyb.com/radar/automotive-infotainment-in-vehicle-experience/innovations

## In one minute

### A backup renderer inside the same enclosure
The cheapest answer is a second processor already present for other work. In one architecture the application processor draws a 3D cluster image while a real-time processor holds vehicle status messages and, on detecting a fault, draws a 2D static version of the same view from an open-source graphics library. Layer priority decides which image the panel shows, so the backup sits above the primary without a switch [1].

A second variant moves the monitoring duty to the microcontroller. It watches the panel's deserialiser directly while the system-on-chip feeds it through a serialiser, and on an abnormal reading it triggers the exception path and logs a fault code [2].

A third hardens the silicon instead. The system-on-chip is partitioned into a safety domain and an application domain that keep synchronised vehicle state and talk through a mailbox. The safety domain takes the panel when the other misbehaves, and the display controller offers registers that compute checksums over up to eight screen regions, so the output can be verified against what was intended rather than trusted [3].

1. [CN115610347B](/?paper=CN115610347B&utm_source=radar&utm_medium=dashboard)
2. [CN121291110A](/?paper=CN121291110A&utm_source=radar&utm_medium=dashboard)
3. [CN118061777A](/?paper=CN118061777A&utm_source=radar&utm_medium=dashboard)

### The launch material sells area; the differentiator is what happens when the drawing stops
General Motors puts 60 inches of display through the 2027 Silverado and Sierra — a 16.3-inch centre touchscreen, a 12.2-inch cluster, a head-up display and an optional 11.5-inch passenger screen. Hyundai's Pleos Connect leads with a single 17-inch panel. LG's variable popup unit on the Genesis GV90 is 24.6 inches across and ships as one of six systems in the cabin.


### The gate is the asset, and suppliers are claiming it
The recogniser, the renderer and the app are not what gets protected. The authorization decision in front of them is. Cinemo claims an onboarding switch where a remote provider authenticates the device before any vehicle function is exposed. CarUX assigns a first permission to whichever command source sits in a given position, and only that source can approve a transfer. Textron checks an application's authorization level before it receives sensor data. 42dot maps a passenger identifier to an access-authority group defined by age, relationship and role. Adeia decides which occupant made the input and acts only if that occupant is permitted. Yinwang splits storage into private and shared areas per account.


### When the panel or the link dies, the picture relocates
Redirection requires a rule for where it may go. In one method the controller looks for a screen with lower display priority than the failed one, checks the kind of fault, then converts the content format, adjusts the layout and opens a new channel to that screen. Another interrupts the primary transmission path at the body controller and partitions the receiving screen so vehicle data lands nearest the driver, restoring the original path once the instrument recovers.


### Consolidation is now sold as a suite, and it has reached the van
LG's Genesis package bundles display, infotainment, a content platform, rear-seat entertainment, a console touchscreen and the central communication unit from one supplier. The same company is supplying an integrated cluster-and-infotainment cockpit to Renault's Trafic E-Tech Electric, which LG describes as Europe's first commercial vehicle built on a software-defined architecture.


### Reconfigurable hardware is the bet that ends the button argument
A button is no longer one function. Huawei binds a second button to a first cockpit function, then rebinds it on a further press of the first. Renault projects the legend onto the control's own surface and slaves it to a virtual frame so it stays upright as the wheel turns. Purisen predicts driver intention and remaps function codes, sending preview signals to the instrument display. Audi reassigns wheel rockers from powertrain to roof, climate or distance control through the HMI. Stellantis reads hand pressure on the rim to walk a dashboard menu instead of adding stalks.


### Hardware paths the main system cannot reach
Some designs refuse to let software sit in the safety chain at all. One claims a synchronisation and safety controller built from logic with no firmware, no rendering, no cache and no relay: it hard-wires the refresh rates of several panels together and relocks on hot-swap, while a physically separate safety channel carries speed and fault alarms from outside the main unit and the graphics processor.


### The software layer is consolidating by acquisition while carmakers rent into it
ECARX brought Flyme Auto and Flyme OS fully in-house by acquiring the Chinese firm behind them, taking the intellectual property, the engineering teams and the existing OEM contracts together; GlobalData's analyst framed the contest as having moved past infotainment hardware to control of the operating system and its ecosystem. In the other direction, XPENG is licensing Google Play natively into its cockpits from early 2027 rather than building a catalogue.


## Overview


### Failure behaviour is the engineering centre of gravity, and nobody publishes it
Once one controller draws several panels, its failure is a failure of driver information. The filings answer that with architectures that are separate products rather than variants of one: a second processor drawing a static cluster view from an open-source graphics library when the application processor misbehaves, content relocated to a lower-priority panel with the format converted in transit, and a firmware-free synchronisation path whose safety channel sits physically outside both the main unit and the graphics processor. Partitioning the silicon into safety and application domains, with checksums computed over screen regions, is the same argument made in hardware; splitting safety-critical data to the head-up display and auxiliary data to the centre screen makes it in the data model.


## What's new


The scarce resource in the cabin is no longer glass. Read as a set, the inventions of the past year keep taking the same shape in different costumes: a decision about who gets a shared processor, screen, bus, speaker or channel of input. Chery splits a system-on-chip into isolated clusters running two operating systems and reallocates them by vehicle state. Great Wall designates one display the only active player and silences the others through a broadcast session event, and, separately, replaces fixed priority with a conflict graph over functions bidding for one resource. Ningzhiyuan does the equivalent for the human channels, building intent nodes from voice, gaze, gesture, touch and seat pressure and resolving collisions on consistency, permission, safety and timing. Joynext pushes the same instinct into the renderer, leasing part of the instrument drawing to a second operating system and revoking the lease on a missed heartbeat.


## Research

### One chip driving several panels
Consolidation is claimed at the silicon level. Chery's instrument puts a microcontroller and a system-on-chip on one board, with cluster and infotainment system modules inside the same chip, driving the instrument panel and optionally a head-up display, replacing two independent systems with a multi-screen arrangement. Nobo's cockpit host keeps a serialiser for each display system and a direct connection to the first display's processor, which is what allows information to be switched between the two when one link fails.


### Width and depth in a windscreen display come from different parts
The optical problem splits in two, and the documents solve the halves separately. Width is limited by how much mirror a dashboard will hold, so one architecture moves the image generator into the cabin volume and leaves only a reflector inside the dashboard, accepting a longer folded path in exchange for a field of view the cavity no longer constrains. Another tiles the field: several modules side by side, each with its own backlight, panel and lenticular layer, each set to an output angle computed from its mounting position and the driver's eye-box centre, with the lenticular gap and curvature chosen against interpupillary distance to hold crosstalk down.


### Ghost images are filtered in the light path
A windscreen has two surfaces, and light reflects from both. BMW attacks the resulting double image at the source, with measures that offset the ghost images and thereby allow a larger field of view than the installation space would otherwise permit. Its later filing uses two imagers with different polarisations, activated alternately by a trigger signal so only one emits at a time.


### A holographic film is a materials part with a wavelength budget
Recording the optical function into a film moves the difficulty into chemistry. Bosch specifies the stack: a photopolymer holographic layer between 15 and 100 micrometres, an optional carrier of polyamide, polycarbonate or cycloolefinic copolymer at 50 to 300 micrometres, and separate diffractive structures for red, green and blue at defined bands, with a black print layer on the side away from the projector overlapping the irradiated area so the film reads as trim where it forms no image. The same company's earlier filing places that black layer in direct contact with the film on vehicle glass.


### Retraction is solved in the door, the guide and the lock
The panel is the commodity in this work; the claimed invention is everything around it. Peugeot's mechanism returns the screen to its stowed position on its own, with compactness as the stated objective. Audi moves a flexible screen along a curved path that can form an S-shape inside the transport section, between a position within the driver's reach and a distant entertainment position. Hopium folds the screen between a display plane and a perpendicular retraction plane, translating the fold so the visible height drops while one end stays fixed.


### The screen moves and the software stays where it was
Most of this work stops at the joint. One filing goes further: a foldable or rollable display on a lifting unit that also turns, and the representation content changes automatically when a first portion reaches its second position. That is the exception. Elsewhere the geometry changes and the layout is left to whatever was already drawing it.


### Two-wheelers settle screen ownership with a switch
On a motorcycle the same consolidation question is answered three different ways. Yamaha keeps the meter and the phone's infotainment on one display but separate in behaviour: a short press on a handlebar switch changes displayed information, a long press toggles between a meter picture and a mode where running information occupies a first area and infotainment from the paired terminal a second, with the meter picture drawn larger than that area, and connection failure reported inside the second area. The same company mounts the infotainment board on the meter board to keep the assembly small, and in another variant keeps indicators, meter and infotainment as three separate units joined by signal cables so any one can be replaced.


### Input arbitration is the claimed invention
The recogniser is rarely what gets protected. A representative filing classifies the scene from the application identifier, interface layout and interaction hotspots, retrieves per-scene priority rules with confidence weights and activation conditions, and feeds the processed inputs into a fusion model that emits the command. Cerence claims the routing decision itself, using a priority to choose whether the vehicle system or the connected phone executes a spoken command.


### Privacy is built as a boundary inside the cockpit
The mechanisms claimed here act on what is shown and where it is held. Huawei reduces the information displayed when a second occupant is detected, keeps the fuller form for a driver-restricted surface such as the head-up display, and relaxes the reduction for family members or young children. Voyah computes a safe visual cone from the screen area to the target user's eye coordinates and drives a microlens array to deflect light only into it. Dongfeng withholds private data from the centre screen, routes it to the instrument module, and signals its type through variable steering-wheel vibration so the driver chooses the viewing method.


### Motion sickness is answered by redrawing the image
Almost every mechanism in this line takes vehicle motion as an input and changes light. Qualcomm shifts the video position against the direction of motion, or zooms with speed, and may key the adjustment to scene changes detected through colour histograms. Volvo builds a predictive movement model from inertial and range sensors and adjusts output at or before the moment of movement, updating the model when road data disagrees with it. Mercedes overlays moving points and lines on the content, correlated with the direction and size of acceleration.


### The decoder is trusted less as it improves
The brain-control line runs from decoding to permission. Ford's filing puts electrodes in the headrest, trains a decoder to associate neural activity with repeated body gestures, and issues real-time control instructions from a continuous data feed to navigate menus and select items. Toyota uses the response itself as a credential: indicators flash at set frequencies, the measured brainwave activity is compared with a calibrated profile, and correct responses unlock access in stages, up to infotainment and then to vehicle movement.


## Market

### What is being signed in the cabin is other people's commerce
Stingray's music service is going into Harman's Ready Link Marketplace, which exists so automakers can offer third-party apps without developing each one. Tesla is reported to have signed with Alipay to put parking payments on the car's screen in China, starting with a service owners will use after a future update.


### The only instrumented quality numbers in public come from journalists and survey firms
What Car? put 21 cars through four common tasks with eye-tracking glasses and a stopwatch: entering a sat-nav destination took one driver's eyes off the road for up to 74 seconds, and changing radio station through the worst voice system took up to 80 seconds against 1.9 seconds for the best. J.D. Power's 2026 study, from 78,514 owners, ranks the BMW X6 highest overall at 931 points out of 1,000. Carwow's Driver Power survey puts the same question to 100,000 drivers.


### The demand story rests on stated preference, and it is measured in one market
Counterpoint's China study reports that seven in ten owners treat the car as a second living room, with in-car infotainment ranked above price and design as a purchase factor. That single result carries a great deal of cockpit investment globally, and it measures what people say about a purchase, not what they do in a moving car.


### The holographic route is being sold on its backers, not on its specifications
Envisics raised a 50m Series C at a 500m post-money valuation, led by Hyundai Mobis with GM Ventures, Stellantis Ventures and Jaguar Land Rover's InMotion participating. JLR has announced immersive 3D head-up display research, and a Horizon Europe consortium is building a compact multi-plane holographic projector with photonic films for dashboard and windscreen.


### Certification, not features, now decides who can sell
Since spring 2026, cars sold in the United States with internet access must certify their systems are free of Chinese software, with hardware restrictions following. Polestar was effectively blocked from the 2027 model year after the Commerce Department declined to authorise it under the connected-vehicle rules. China has opened a year-long campaign of state inspection in which regulators pull vehicles, seal their hardware and software configurations, and test whether the shipped product matches what was approved.


## Strategy

### The windscreen is being claimed by the glassmakers
Head-up and holographic work has migrated from the projector to the pane. Fuyao claims the window itself, with a black shielding band, a reflective element inside it, and reflectivity ratios set so the display area reads differently from the trim around it. Sekisui claims the interlayer, with a coloured gradient tapering toward the centre so a display blends into its surround. Deepal laminates two electrochromic layers, one in the cover plate and one in the glass, and drives them together so the virtual image background matches the glass and the boundary vanishes. BMW makes the black print switchable and removes mirrors and lenses from the light path altogether. Zeiss files the floating-image dashboard as an edge-lit hologram on a light guide.


### Charging time is being priced as inventory; what shipped is a catalogue
The filings treat a charging stop as a schedulable slot: compute the window, choose content that fits it, sell the time. That is a media business. The unit of sale is minutes of dwell, priced per stop.


### Privacy is being solved with light and with erasure, not with consent
Two technical routes are being filed that do not depend on a policy. The first steers light. Leapmotor switches its holographic module between a single-eye-box private mode and a multi-eye-box sharing mode by opening different exit ports at different angles. Samsung stacks blocking patterns, grooves and concave lens units over the emitter to cut viewing angle and windscreen reflection. The second makes data disappear: one filing powers off volatile memory on lock and physically overwrites non-volatile areas, with no identity comparison performed at any point; Great Wall's isolation mode blocks persistent local writes, intercepts cloud uploads and separates emergency evidence retention from ordinary recording.


## Areas

- Cockpit Display Hardware & Integration · 4,309 documents
- Multimodal HMI & Interaction · 635 documents
- Software-Defined Vehicle Platforms · 600 documents
- AR & Holographic Display · 588 documents
- Data Privacy, Cybersecurity & Telematics · 92 documents
- Emerging & Niche Interfaces · 39 documents