Print Image Acquisition TRIZ Cases

Etching a skeleton area separates ultra-thin glass substrates, forming stress dissipation edges that prevent microcracks from mechanical scribing.

Sequential pixel activation with orthogonal vectors reduces afterglow interference, improving optical fingerprint recognition accuracy.

Positioning the optical sensor module at an inclination angle resolves light redirection issues from display layers, ensuring accurate fingerprint detection.

Thin plastic cover plate improves capacitive sensitivity for fingerprint recognition, reducing device thickness and manufacturing costs.

Segmenting refractive power across three elements balances total track length against image quality, enabling wide field of view and large aperture.

Perpendicular fiber optic bundles isolate pixel cells, resolving bulky fingerprint sensor complexity while boosting optoelectric sensor resolution.

Scatterers remove refracted light from photodiodes, resolving illumination intensity versus detection accuracy trade-off.

Cavities in the coating layer contain reduced graphene oxide to concentrate electric field lines, resolving image blurring caused by protective glass layers.

A fingerprint sensor uses a discontinuous conductive grid to reinforce the electric field between adjacent electrodes.

An optical sensor employs a coded pattern filter layer to superimpose light beams, resolving space constraints that limit pin hole arrays in compact devices.

A display substrate electrode forms a recess filled with insulating material to create a flat surface for the photosensitive layer.

An optical pattern layer with segmented light-shield and transmission sections controls incident light angles.

Pixel circuits drive LEDs as photodetectors to accumulate photocurrent, eliminating separate sensors that increase device complexity.

Single image sensor merges fingerprint recognition with physiological monitoring to reduce system complexity and power consumption.

A liquid crystal display module uses a patterned polarizer to separate fingerprint identification light from interference signals.

A dynamic parameter group selection mechanism adapts ultrasonic fingerprint identification settings to ambient conditions.

A display module integrates a fingerprint identification layer using stacked conductive and insulating layers to increase capacitance sensing.

Segmented dual lens arrays resolve volume and accuracy contradictions by enabling adjustable sensor positions without increasing device thickness.

Light transmitting holes align photosensitive sensors with backlight sources, maintaining pixel aperture ratios for fingerprint recognition.

A lens-pinhole array spatially filters background light interference to improve under-screen optical fingerprint sensing precision.

Transparent capacitive sensing electrodes overlay inactive display regions, enabling biometric data collection without blocking light output from active areas.

A display panel uses a light-shielding layer with a hole array to guide light toward a photosensitive layer for fingerprint detection.

A voltage sensing fingerprint sensor integrates directly into a display substrate to capture biometric data without obstructing the visual interface.

Periodic forward-biasing restores organic photodiode characteristics, mitigating semiconductor layer variations that degrade detection accuracy.

A multi-spectral optical sensor array captures spectral reflectance data to authenticate detected fingers.

A fingerprint sensor carrier film uses through-holes and adhesiveness to detach packages cleanly.

Dual recognition devices share hardware resources to resolve resource utilization bottlenecks while maintaining dedicated function performance.

A fingerprint recognition device integrates a serial resistive noise reduction circuit to filter interference from display data lines.

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

A reflective portion between sub-pixels and the sensor increases light intensity, resolving insufficient illumination for accurate recognition.

A sensing signal adjusting unit samples and holds offset voltages to maintain a constant average voltage level across sensor pads.

A light-shielding layer blocks stray light from the photosensitive semiconductor layer, resolving interference that degrades fingerprint recognition accuracy.

A wrap-around adhesive bonds a cover plate to an optic fingerprint identification device while leaving a light-transmitting window clear.

Segmented fake detectors combine individual decisions to resolve reliability issues caused by fixed ROI shapes and variable imaging conditions.

A fingerprint identification component uses periodic ultrasonic transmission to generate electric signals for texture extraction.

Optical film layer guides light beam through cover plate regions to disperse illumination across fingerprint area.

Ground electrodes shield neighboring sensing arrays to reduce parasitic capacitance and electromagnetic interference, improving recognition accuracy.

A light path limiting structure directs and totally reflects infrared light to concentrate emission within a small angle range.

Structured light illumination generates 3D surface maps for a biometric sensor, analyzing SLI pattern distortions to detect spoofed fingerprints.

A display driver circuit uses time-division multiplexing to share transmission lines between display driving and fingerprint sensing signals.

A recessed metal plate supports a fingerprint sensor while a filling member corrects ultrasonic wave distortions and alleviates stress on the display panel.

Ultrasonic sensor system captures three-dimensional fingerprint data via ridge-valley tomography, resolving spoofing vulnerabilities from fake fingers.

A fingerprint sensor integrated touch screen panel uses time division multiplexing to apply distinct driving voltages for simultaneous touch and biometric sensing.

Dual polarizers filter reflected and direct optical noise to improve fingerprint recognition accuracy.

A fingerprint signal processing circuit applies position-dependent compensation to reduce fixed pattern noise before analog-to-digital conversion.

A detection device uses an optical filter layer with light guide paths to direct reflected light toward photosensor elements.

An imaging section uses pin hole imaging through through holes to focus reflected light, resolving large light spot sizes that obscure fingerprint profiles.

Merges memory and capacitance sensors on one substrate via a unified poly floating gate transistor process, eliminating separate fabrication steps.

A fingerprint sensor adjusts between self and mutual capacitance modes based on resolution requirements.

Sensing holes in the second planarization layer isolate photoelectric devices from stray light interference, improving fingerprint recognition accuracy.