Print Image Acquisition TRIZ Cases

Directly fixing the light source to the substrate eliminates gaps and relative movement, improving light use efficiency and image stability.

A light-filtering layer on an OLED array substrate blocks pigment light wavelengths above 600 nanometers to improve fingerprint recognition accuracy.

Translucent underfill protects sensor interconnects while reducing package volume and manufacturing costs.

An NFV collimator and micro-lens layer stabilize the glass-air interface to resolve performance consistency issues in under-display fingerprint sensors.

A transparent substrate supports a reflection layer and photosensor for fingerprint detection in smart cards.

Material-filled vias in a biometric sensor substrate guide dispersed fields to maintain resolution despite protective thickness.

A guard electrode suppresses capacitance changes caused by liquid crystal permittivity variations, improving touch detection sensitivity.

A segmented light-shielding structure surrounds a light-sensitive component to block stray illumination in display panels.

Merging touchpad and fingerprint sensors into one module expands the detection area while lowering production costs.

A capacitive biometric sensor integrates driving and readout circuits to control pixel signals.

A fingerprint sensor divides its image area into overlapping regions to verify complete finger coverage before activation.

Parallel discrete sampling of continuous biometric streams eliminates image skew and reduces post-processing time for accurate fingerprint capture.

Stacked dielectric layers connect sensing strings via conducting pillars to reduce manufacturing costs and improve assembly yield.

A fingerprint sensor determines contact region parameters to activate specific sensors within the detected pattern.

A fingerprint collection method dynamically switches effective sections to prevent residue reuse attacks.

A stacked array lens optical fingerprint identification system converges light onto an image sensor using coaxial imaging units.

Separating the high-voltage auxiliary signal circuit from the low-voltage detection circuit reduces manufacturing costs while maintaining signal-to-noise ratio.

Conductive adhesive layers cover sensing electrodes on a flexible PCB to boost conductivity and accuracy while protecting against mechanical damage.

Active non-visible light sources resolve passive imaging limits by enabling flexible wavelength selection to distinguish real and fake fingers.

An air gap under the sensing electrode lowers parasitic capacitance in capacitive fingerprint sensors.

A spatial filter with stacked light absorbing and reflective layers directs optical signals to pixel regions within an image capture element.

Dynamic timing circuitry adjusts photodetector exposure to match bus capacity, eliminating buffer memory requirements.

A display panel integrates a backlight module and photoelectric sensing device to reflect light from fingers for direct detection.

A fingerprint identifying module integrates a photocurrent generating unit between electrodes to detect light intensity variations from ridges and valleys.

A fingerprint identification module uses a transparent substrate and optical components to detect biometric data.

A collimating structure uses alternating light-shielding and transmitting layers to define a precise light convergence angle.

A fingerprint recognition apparatus adjusts light-emitting module power levels based on touch coordinates to optimize image capture.

Segmenting detection signal lines suppresses parasitic capacitance while maintaining fine fingerprint authentication precision.

A dielectric lens focuses electric fields onto finger ridges, resolving measurement precision versus design flexibility trade-offs.

Tilted lens geometry resolves the trade-off between module volume and resolving power while reducing distortion.

Partition walls isolate light sensing pixels from sub-pixel interference to boost fingerprint recognition accuracy.

Stacked light-shielding layers with independent openings control light paths, improving signal-to-noise ratio while maintaining integration flexibility.

Liquid crystal molecules in a display layer control optical light paths to route reflected sensing signals directly to an underlying detector unit.

A color film substrate uses an organic pigment light shielding layer to transmit infrared light while blocking visible light.

Differential subtraction of adjacent plate signals cancels common noise without extra ground plates, simplifying manufacturing while shortening sensing time.

A fingerprint sensor cover layer uses plasmonic nanostructures to tailor visual appearance without pigments.

A fingerprint sensor pixel array uses mixed pixel types to detect optical signal intensity differences for liveness verification.

Loop electrode patterns in a touch sensor increase mutual capacitance variation, resolving low sensitivity and high resistance issues in fingerprint readers.

Holed opaque layers between sensor and pixel layers enable self-service fingerprint detection without external light sources, reducing device thickness.

Switching from blue to green light extends screen service life while maintaining sufficient brightness for reliable fingerprint collection.

Light path adjustment devices with optical fiber and convex lens structures modify incident light angles for under-screen fingerprint sensors.

Penetrating vias connect film substrate directly to semiconductor pixels, reducing module size while enhancing fingerprint sensitivity and accuracy.

Segmented control chip surfaces enable cost-effective wire bonding to reduce manufacturing expenses while maintaining compact package size.

A partition wall with a reverse taper shape separates electrodes in display devices.

Sensor controller adjusts sensing parameters using external control signals to mitigate interference in fingerprint sensors.

Integrating a color filter coating onto the glass substrate reduces structural thickness while preventing infrared light interference with the image sensor.

A light shielding layer blocks external radiation from the sensor driving circuit in display devices.

Flat-field correction processes multi-color pixel outputs to differentiate real fingers from fake targets in under-screen sensors.

Embedding sensing electrodes in cover glass grooves narrows the distance to a finger.