Print Image Acquisition TRIZ Cases

Touch coordinates from a presence-sensitive display align multiple partial fingerprint captures, improving enrollment accuracy with small sensors.

A conductive light-blocking layer feeds light-emitting elements to improve fingerprint sensing while reducing line load and pixel crosstalk.

Infrared emitters and photosensors built into the display improve in-screen fingerprint recognition while cutting OLED power use and glare.

Geometric plate features, composite epoxy, and matching layers cut ultrasonic reflections and improve touch sensing and fingerprint imaging.

An air gap around the filling member relieves thermal expansion stress, limiting display deformation and protecting fingerprint sensor accuracy.

Shared signal lines and separated sensor placement preserve pixel aperture while enabling in-display fingerprint sensing on high-resolution panels.

A photoimageable epoxy-acrylate coverlay protects smart card fingerprint sensors from wear, humidity, and UV while preserving detection.

Enrollment touches are adjusted to finger size and shape, reducing time and redundant presses while improving fingerprint coverage.

Deep feature extraction and fusion detect whether a verified fingerprint comes from the same medium, improving accuracy for unstable fingers and novel materials.

Enrollment touches are adjusted to finger size and shape in local under-display sensors, cutting time while improving fingerprint coverage.

Adaptive ultrasonic emission counts based on temperature or film state strengthen echo sums, reducing noise and stabilizing fingerprint detection.

Modulation and demodulation across electrode groups restore common-mode signals and cut coupling blur for clearer sensor images.

Non-metal isolation layers protect biometric sensors and payment interfaces from metal interference while preserving secure contactless transactions.

Detecting screen protector removal or replacement triggers ultrasonic array recalibration to restore SNR and imaging quality.

Region-specific gain, exposure, and sensitivity tuning corrects dark edges and bright centers in under-display fingerprint images.

A sensing electrode built into the display forms a finger capacitor, while surrounding pixel circuits are arranged to expand sensing area and limit parasitic capacitance.

Integrated metal shielding blocks backlight leakage to the photoelectric conversion structure, improving fingerprint recognition sensitivity and accuracy.

A single diaphragm layer with micro-lenses replaces multiple optical layers, cutting module thickness while preserving fingerprint precision and SNR.

Repeated ultrasonic emissions are adjusted by temperature or film state to suppress conductive-medium noise and keep fingerprint detection accurate.

A curved acoustic lens expands signal angles so a small flexible sensor can image a larger fingerprint area on non-planar surfaces.

A stepped substrate and boundary-crossing wiring layout spreads bending stress in organic optical sensors to reduce cracks and improve durability.

A movable under-screen fingerprint module follows detected finger position to expand unlock area while avoiding the cost and power of multiple sensors.