Print Image Acquisition TRIZ Cases

A capacitive micromachined ultrasonic transducer array detects living subjects via capacitance changes during rest stages.

An optical filter layer on light sensitive units blocks residual signal light from non-imaging areas to enable immediate secondary illumination.

A mobile authentication device merges biometric, fingerprint, and touchscreen sensors to verify user identity through a unified controller.

A fingerprint identification module uses a color filter substrate and protective cover to direct light beams for recognition.

A microlens film integrates a light absorbing layer to reduce effective imaging area and enhance modulation transfer function.

A light filter structure within a display panel's light-transmitting hole blocks red and near-infrared wavelengths from reaching the fingerprint sensor.

Continuous light-shielding layers prevent light leakage and cross-talk interference between neighboring pixel regions.

Rotating the sensor array shifts moiré frequencies outside the fingerprint feature range, enhancing imaging accuracy through under-display integration.

A biometric sensor card uses a layered coating to homogenize capacitance across the fingerprint detection surface.

Ganged sensor electrodes merge multiple nodes into single detection paths, reducing circuit complexity while maintaining reliable wake-on-finger capability.

Integrator circuit removes parasitic capacitor influence to resolve non-linearity and noise interference.

A display panel black matrix uses elongated carbon black filaments to filter light while maintaining ultrasonic wave transmission.

Light sensors detect finger shielding regions to activate only relevant fingerprint sensors, reducing resource waste and scanning time.

An image sensor acquires fingerprint images through patterned display openings using overlapping light beams.

Relocating the sensor to the color filter substrate bypasses the liquid crystal layer, resolving signal weakening in under-screen displays.

Integrating a lens layer and image array into the display structure captures reflected light for fingerprint sensing without increasing device weight or volume.

A mutual-capacitance fingerprint recognition device uses curved sensing and driving electrode lines to enhance capacitance measurement sensitivity.

An under-display optical sensor detects spoof fingerprints by analyzing scattered light distribution from the target region.

A fingerprint recognition circuit uses a storage capacitor to isolate detection nodes from switch transistor leakage currents.

A fingerprint identification method compares captured images against pre-stored reference data to determine the collection environment.

Multi-layer sensing patterns form capacitors to detect fingerprints, resolving the trade-off between high recognition rates and low production costs.

A segmented acoustic imaging system uses transducer subarrays to propagate plane waves and capture reflections for fingerprint analysis.

Adjusting RGB light spot proportions based on application scenarios balances screen material depletion with reliable fingerprint recognition rates.

A fingerprint image generation method stores initial full-resolution data and subsequent differential data to reduce memory usage.

Segmented black matrix openings enable fingerprint identification by transmitting reflected light while blocking stray ambient reflection.

Stacked sensing elements with overlapping projections simplify the integrated structure while increasing the opening region for better light intensity.

Controller captures a first image with the light source on and transmits it for matching before capturing a second image with the light source off.

A display module integrates a fingerprint identification module between substrates using a piezoelectric material layer for full-screen sensing.

A fingerprint sensor uses distinct measurement circuitry configurations to capture capacitive signals from sensing structures.

Light-emitting module integrates white illumination sources with biological photodetection elements on a shared substrate.

A capacitive fingerprint sensor uses central and grounded peripheral electrodes to detect finger topography via electric field changes.

A fingerprint sensing control circuit divides a display panel into zones and scans target areas at higher speeds.

Segmented electrode arrays reduce bezel area and prevent dead zones while maintaining touch sensitivity.

Biometric trace lines bypass bridge electrodes on a shared layer to resolve spatial interference between touch sensing and biometric detection.

Backlight source positioned under pixel area directs light at right angle to protective layer, eliminating scattered signals from light guiding plates.

Metal bumps replace lead-out wires between sensing electrodes and integrated circuits, minimizing sensing distance and lowering production costs.

Sequential operation of light source subsets reduces energy consumption while maintaining high-speed fingerprint authentication accuracy.

A fingerprint sensor matrix divides into blocks controlled by independent switches to scan only the active area.

A fingerprint recognition device integrates point light sources and light sensors into a display substrate to enable high-definition imaging within the screen layer.

A capacitive sensing panel integrates distinct device regions with varying resolution and distance characteristics to support diverse input operations.

An imaging sensor calculates contact area differences between two captures to detect touch pressure without adding separate components.

A fingerprint sensing circuit uses two supply voltages to detect finger touch and capture images.

A fingerprint sensor detects which finger contacts the device to trigger specific commands.