Print Image Acquisition TRIZ Cases

Non-overlapping first and second electrode projections on a piezoelectric layer resolve sensitivity-compactness trade-offs in ultrasonic fingerprint sensors.

Integrated black matrix openings prevent external light reflection and luminance degradation while maintaining thin display panel thickness.

A waveguide structure orthogonally redirects infrared light from an image sensor side to illuminate a finger for biometric capture.

A fingerprint sensor places a coupling electrode on the substrate backside to improve capacitive coupling while preventing electrostatic discharge interference.

Embedding sensing patterns in a through-hole reduces package thickness while maintaining high sensitivity and structural integrity.

Signal processing circuits generate processed sensing signals with different polarities to enhance signal strength.

A fingerprint sensing device uses a liquid crystal layer to focus illumination light and reflected signals for improved image clarity.

Multi-angle light signals enable under-screen fingerprint sensors to capture distinct 2D images for structural verification.

Three-lens optical imaging assembly with negative and positive refractive powers achieves high imaging quality.

A fingerprint identification circuit uses an acquisition module to cancel threshold voltage offsets in the source follower.

Distinguishable color illumination and pressure-dependent pixel intensity analysis enhance biometric security.

Segmenting stimulation into orthogonal frequencies detects capacitance changes without increasing dynamic range or power consumption.

Millimeter wave radar generates 3D hand images to bypass optical skimming and identity theft vulnerabilities.

A light sensor controller switches to fingerprint mode upon detecting specific signal intensity changes.

An external optical fingerprint device uses a flat refractor plate and mirrors to capture images via a portable terminal camera.

A display panel integrates a fingerprint sensor with a light shield layer containing openings to route reflected light for identification.

A dual-layer adhesive structure with variable hardness isolates the flexible printed circuit from substrate deformation forces.

Calibrating fingerprint sensors using prestored non-fingerprint image data to remove overlay artifacts from captured biometric scans.

Terminal displays overlapping fingerprint patterns to guide user finger placement, collecting data from multiple angles without interrupting the process.

Internal bias signal generation supplies driving signals to sensing elements, preventing parasitic capacitance degradation in metallic devices.

A fingerprint identification apparatus uses a coated light blocking layer with inverse trapezoid holes to direct optical signals.

Aligning gate drive and readout circuits along one axis reduces the y-dimension size of sensor devices, resolving layout complexity in compact mobile designs.

Conductive probes extend from an overlapping drive and pickup grid to detect fingerprint features through an insulating overlay.

A detecting device uses an electrode selection circuit to alternate drive signal potentials across multiple periods.

Under-display fingerprint sensor acquires multiple biometric images simultaneously across segmented touch screen zones.

A speckle-based authentication apparatus uses an optical source to radiate light onto an object and a detector to capture the resulting interference pattern.

Dynamic threshold adjustment in event-driven pixels resolves light interference and dark environment sensitivity during fingerprint authentication.

A microelectronic pressure sensor uses a MOSFET transistor with a mobile gate to capture surface profiles.

Asymmetric photosensitive elements align with vertical light incidence to resolve low utilization and limited sensing area in under-screen recognition.

An electrostatic lens focuses the electric field to resolve blurring caused by increased separation between the contact surface and sensing elements.

A biometric imaging device uses a segmented opaque layer and microlenses to redirect light onto pixel subarrays for high-resolution fingerprint capture.

A fingerprint sensor sits in a substrate cavity beneath a thin cover layer, separated by distinct adhesive bonds for proximity and biometric detection.

A fingerprint sensor applies wave signals to detect surface and internal biometric features for authentication.

Segmented organic semiconductor layer with mixed p-n active areas reduces leakage currents between adjacent detection electrodes.

Single lithography patterning merges light-shielding and anti-reflection layers, eliminating alignment errors while enabling pinhole miniaturization.

Anisotropic conductive material enhances capacitive coupling through thick protective gloves, resolving the trade-off between user safety and sensor accuracy.

Depositing a filter structure directly onto the optical fingerprint chip eliminates thick glass substrates, resolving yield issues from fragile thin films.

A collimator with oblique openings directs ambient light away from the image sensor to prevent interference.

Segmenting detection into specialized networks reduces computational burden while maintaining high accuracy for real-time biometric authentication.

Segmenting touch electrodes around a dedicated hollow region prevents signal interference between capacitive fingerprint modules and touch areas.

A display panel integrates metal mesh and transparent conductive units to enable fingerprint recognition within the touch control area.

A light-emitting device incorporates an intermediate layer between two light-emitting units to supply electrons and holes for charge generation.

Routing traces shield receiver electrodes from circuit noise, improving signal quality.

Separating detection electrodes from drive circuits across the substrate thickness reduces parasitic capacitance, improving fingerprint detection sensitivity.

A switchable wire mesh on a touch panel enables full-screen fingerprint identification, eliminating separate components to reduce product complexity.

Multipath correction algorithms cancel interference noise from sensor stack reflections to improve fingerprint image quality for accurate user authentication.

Perpendicular pixel grouping and local spacing variations reduce internal light leakage, preserving aperture ratio and resolution during fingerprint sensing.

Stacked light shielding layers with transmitting holes reduce large-angle crosstalk and improve fingerprint image quality under outdoor lighting.