Print Image Acquisition TRIZ Cases

Metallization layers with light transmissive collimation openings guide illumination through an optical image sensor.

A fingerprint sensor sensing element uses an amplifier and feedback capacitor to enhance sensitivity.

Segmenting the cover layer into varying thicknesses balances protection strength with fingerprint sensor sensitivity.

A touch sensor detects position, pressure, and fingerprint patterns using a single substrate with sensor pixels.

Tensor processing hardware converts fingerprint images into pixel vectors to perform parallel matrix convolutions, resolving bottlenecks in matching throughput.

Distinct electrode patterns in separate regions minimize visual recognition and preserve image quality despite multiple sensing functions.

Retaining wall structures absorb large-angle interference light and collimate small-angle signals, improving fingerprint recognition accuracy.

A detection device uses an intermediary polishing film to protect sensor substrates during manufacturing.

A fingerprint sensor integrates light-emitting elements into the contact surface to provide visual feedback during recording.

Ranking target feature points by attribute forms an entropy map that resolves miniaturized sensor accuracy limits.

Band-pass filter isolates monochromatic light to resolve intensity distribution contradictions and improve fingerprint image clarity.

A metal reflection portion redirects transmitted light back to the photosensitive diode in a display panel.

UV-cured optically clear adhesive forms an encapsulation layer around optical fingerprint sensing chips for efficient mass production.

A fingerprint detecting apparatus uses a variable feedback capacitance amplifier to optimize detection sensitivity.

A fingerprint sensor triggers calibration via environmental changes or user events.

Dual-layer fluoropolymer coatings on fingerprint sensors resist water and oil spread, restoring identification accuracy and speed in wet environments.

Integrating a fingerprint sensor into the backlight module of an LCD device to enable under-panel biometric recognition.

A signal receiving circuit uses depleted and enhanced thin film transistors to accumulatively amplify collected signals.

Simultaneous column readout with variable sensing settings compensates for non-uniform signal strength on curved surfaces.

Merging multiple sensor elements into simultaneous groups expands the effective sensing area, boosting signal levels and noise ratios through thicker dielectric layers.

Pinhole layer and lens unit under the display panel enhance spatial imaging resolution while blocking environmental light interference.

A display unit integrates a sensing unit to capture multi-finger biometric data for immediate command execution.

A multi-layer optical fingerprint sensor uses groove-integrated visible and invisible light detection to capture spectral data for authentication.

Dynamic transmission frequency control cancels interference patterns from non-uniform contact layers, maintaining measurement precision across curved surfaces.

A fingerprint detection control circuit uses resetting circuitry to manage voltage connections for stable signal conversion.

Color calibration compensates for manufacturing tolerances in under-screen sensors, ensuring consistent fake finger detection across devices.

A display device incorporates a photochromic discoloration layer to modulate light transmittance for integrated fingerprint sensing.

A liquid crystal display integrates a micro light emitting diode module in a digging region to enable under-screen sensing without visual interruptions.

Anti-spoof photodiodes filter larger-angle light through polarizing elements, distinguishing real fingerprints from high-resolution spoofs.

Geometric constraints on a vertical light shielding element reduce stray light spots in compact optical fingerprint sensors, ensuring high uniform brightness.

A pyroelectric sensor uses a third electrode to form a capacitor with skin for ridge detection.

A fingerprint authentication method fuses optical images with multi-frame touch signals to distinguish real fingers from fake ones.

A biometric device evaluates finger suitability using infrared imaging to select optimal registration candidates.

A display panel uses ultrasonic detection units to simultaneously capture touch positions and fingerprint patterns.

A display panel integrates light emitting and sensing elements on a shared base layer using organic materials.

Apertures in the reflector and metal shield allow infrared light to reach the sensor, resolving backlight reflection anomalies that block sensing.

A fingerprint sensing device uses a switching unit to generate voltage shifts between the finger and the sensing core.

A display substrate uses a light guide layer with through holes to form collimated light paths for photosensitive sensors.

A detection device calculates potential differences between adjacent photoelectric conversion elements to reduce data values.

A micromachined ultrasonic transducer array electronically scans fingerprint patterns on both epidermis and dermis layers.

A guide area adjacent to the sensor displays visual cues based on detected touch, resolving placement errors that lower recognition rates.

A fingerprint recognition unit circuit integrates threshold compensation and reset units to stabilize detection signals.

Processor calculates touch coordinates using combined touch and fingerprint sensor data to resolve interference in the inactive area.

Photo-sensitive diodes integrated in display panels convert light intensity changes into electrical signals for touch detection.

A fingerprint sensor calibration method uses statistical ranges to determine initial environment values for accurate pattern recognition.

Selective light shielding patterns block ambient interference while preserving signal intensity, improving texture recognition accuracy.

Synchronizing fingerprint sensor exposure with display dimming periods fixes horizontal stripe positions, resolving ambient light detection conflicts.

A collimator filter layer aligns light apertures with sensing elements to enable optical fingerprint detection.

A detection device uses organic photodiodes with upper and lower buffer layers coupled to capacitive elements for signal acquisition.

A fingerprint detection apparatus uses a light shielding layer with openings to converge oblique light signals onto optical sensing pixels.