Solid-State Devices TRIZ Cases

Underfill coverage and wetting layers help pixelated LED chips suppress emission overlap, improve pixel uniformity, and preserve light use.

A matched light-sensitive current mirror cancels photocurrent in unpackaged RFID ICs, preserving bias accuracy under light exposure.

A parallel IGBT, MOS, and PIN wafer structure improves switching speed, cuts reverse recovery time, and eases voltage snapback while saving chip area.

A separation pattern in stacked 3D memory cells enables uniform channel voltage, improving string stability and manufacturing productivity.

A common active region and LDD-assisted NMOS layout triggers parasitic BJT discharge to improve memory ESD protection with lower leakage.

Vertical chip stacking splits high- and low-voltage peripheral circuits to shrink 3D memory footprint without sacrificing transistor performance.

Vertically stacked RGB LED sub-units enlarge subpixel emission area while improving current spreading, heat dissipation, and light efficiency.

Localized substrate openings under semiconductor contact regions improve electrical connection and reduce resistance in flexible displays.

Multiple etch stages and dielectric pillar support stabilize multilayer horizontal NOR memory strings and reduce ribboning during scaling.

A multilayer touch-sensing line layout cuts bezel width and reduces capacitance variation from etching errors for more reliable input sensing.

A gap-assisted energy beam transfer process moves LED units for mass, selective, and repair placement while improving yield and reliability.

A corner encapsulation base layer increases sealant contact area and adhesion, helping OLED substrates block moisture and oxygen ingress.

Moving pixel transistors to a stacked circuitry die frees sensor-die area for photon collection, improving sensitivity and contrast in small pixels.

Light-scattering particles above dual photoluminescence layers improve white LED color uniformity while reducing phosphor use and packaging cost.

A pedestal dielectric BJT layout supports vertical and horizontal scaling, cutting parasitic resistance and capacitance for higher-frequency operation.

A gate-linked MOSFET structure raises threshold voltage in standby to cut off-current and drain-source leakage while preserving ESD protection.

Conductive gate protrusions expand channel area in a pixel sensor, improving electron transfer to cut lag and photodiode saturation.

Vertically stacked emission layers and selective contact holes raise display resolution while keeping smart-glasses panels thin.

A thin tantalum oxide sidewall passivation film helps micro LEDs retain luminescence efficiency while resisting physical and chemical stress.

Edge liquid-guiding grooves use capillary flow to cover via-area pixel electrodes with alignment liquid, preventing bubbles and display defects.

Integrated ESD, thermal, and photo sensing on a common epitaxial substrate protects solid-state emitters and enables real-time performance monitoring.

Reverse-biased diode paths and capacitive coupling protect chip I/O from ESD while lowering junction capacitance for bandwidth and linearity.

A Schottky metal layer and sidewall passivation suppress mesa-edge non-radiative recombination, improving micro LED lighting efficiency.

Using low-pressure MBE on the nanowire upper section improves active-zone size control and reduces LED wavelength dispersion.

Overlapping upper pads with signal lines and transistors cuts bezel area while improving pad stability and side line material uniformity.

Pre-aligned electrodes and control-line signals simplify subminiature light-emitter placement, cutting display fabrication complexity.

A dam and lower stacked structure guide organic layer spreading in OLED encapsulation, improving film quality and display touch performance.

Magnetic microLED transfer in a fluid chamber uses vacuum flattening to correct substrate warpage and improve large-area assembly precision.

A ferroelectric layer, blocking dielectric, and charge storage stack improve 3D memory efficiency while limiting polarization fatigue and leakage.

A flattened cover adhesive layer matches terminal height to improve thin micro LED transfer yield and prevent separation during carrier film release.

Light-transmitting substrate regions behind conductive pads expose cold-joint defects in Mini and Micro LED solder connections.

A resist-masked plating process mounts LED elements on transparent or non-transparent substrates without light curing, supporting heat dissipation and circuit integration.

Different RGB pixel lighting areas balance red conversion efficiency and blue output to improve color accuracy in display panels.

Reverse-side laser joining connects LED wafer electrodes while freeing circuit board layout from through-board laser path limits.

A reflective resin covers LED side faces to redirect downward light upward, improving extraction while preserving individual control.

Grounded protective electrodes and conductive wires reduce ESD damage during light emitting unit transfer, improving device reliability and yield.

Curved optical structures over LED chips reduce total reflection, boost light extraction, and cut encapsulating adhesive use in display backplanes.

Dual-size bank scatterers improve visible reflectance and near-infrared transmission, enabling reliable alignment key recognition and better display output.

Gradient p-type sidewall doping in deep trench pixel isolation cuts dark current and white pixels while preserving photodiode performance.

Removing the cover layer around a charge pump capacitor exposes a ground line that safely discharges static electricity and protects display components.

A shared light-emitting layer extends beyond conductive layer edges to cut surface recombination and improve micro-LED isolation.

A monolithic GaN HEMT with an integrated avalanche diode adds recoverable breakdown protection while cutting parasitic resistance and inductance.

Reflective members between adjacent color filters redirect escaped OLED light upward to cut sub-pixel color mixing and light loss.

Opaque isolation walls above UV micro-LEDs block subpixel crosstalk, easing color conversion deposition and improving color purity.

Wavelength conversion points around a mini LED array compensate dark regions and strip-like mura to improve brightness and color uniformity.

Contact barriers overlapping trench isolation suppress parasitic capacitance in shared-pixel image sensors and help reduce plasma-induced damage.

A Λ-3D FET layout combines vertical and horizontal channels to raise transistor density while cutting parasitic resistance, capacitance, and power use.

A plastically deformable insulated metal pattern stabilizes display-to-board connections while preserving thin-film flexibility under stress.

Series-connected TVS elements with a parallel resistor improve ESD clamping for ICs while avoiding the cost of a single high-voltage protector.

An AlON sidewall passivation layer suppresses surface defects in miniaturized red LEDs, improving luminescence efficiency and durability.

A widened upper semiconductor mesa and resistive ion implantation region confine carriers, lower current density, and improve micro LED emission.

Light pipe cavities and nanowells in a BSI image sensor block excitation light and guide emissive light to cut crosstalk and improve collection efficiency.

By separating the light-emitting layer from conductive-layer edges, this micro-LED structure cuts surface recombination and improves emission.

Dielectric-filled isolation trenches separate monolithic semiconductor regions without buried oxide, cutting interference while improving heat flow.

Diffraction patterns in an OLED input sensor redirect emitted light to widen lateral viewing angles while reducing color difference.

Area-specific pixel patterns, color filters, and anti-reflection layers improve under-display module transmittance without enlarging the non-display area.

An embossed adhesive layer and hollow-particle resin cushion cut display thickness while improving shock absorption and adhesion.

A flat pad formed in the scribe line preserves passivation integrity and a planar BCFA surface in back-side illuminated image sensors.

An embedded photodiode and shield opening keep charge transfer paths effective while reducing light leakage into pixel memory.

Insulative protrusions create a step between electrodes, guiding conductive paste placement to prevent short circuits and improve micro LED mounting yield.

Symmetric normal-pixel placement within Bayer subblocks suppresses aliasing while preserving phase detection and other functional pixels.

An upper-trench protection scheme enables wider lower trench sections, improving capacitance and structural stability in semiconductor capacitors.

Recesses disconnect the charge generation layer between tandem OLED pixels to stop crosstalk while keeping the cathode continuous.

A shared light-emitting layer is offset from conductive layer edges to limit surface recombination and improve micro-LED emission efficiency.

Different etching-rate removal layers and a thin support region prevent substrate bonding, enabling clean epitaxial layer separation and transfer.

Packaged LED units in display areas and discrete chips at seams improve spliced image uniformity while keeping assembly efficient.

Notched auxiliary structures reflect side-emitted light to cut optical crosstalk, raise luminescence efficiency, and improve display contrast.

Varying grid heights and refractive indices cut polysilicon DTI light absorption, improving image sensor sensitivity and image quality.

Controlled back side film stress and thickness protect bonded substrates and curb warpage to improve adhesion and yield in SoIC and CoWoS packaging.

A dual-level source contact through active and insulating layers shrinks TFT footprint while preserving gray scale and on-current in displays.

A resonant ring clock taps deterministic phase points to synchronize chiplets with lower skew, jitter, area, and power.

A compensation layer blocks charge attack on the TFT active layer, reducing bias temperature stress and threshold voltage drift in display panels.

A same-layer reflector layout balances metal density between driving islands and main areas, cutting OLED panel brightness difference below 0.5%.

Integrated limit resistors in each GmAPD pixel curb peak current into the ROIC, reducing data corruption and sensor damage under intense light.

Lattice-shaped pixel separators and a dielectric blocking region reduce light leakage and color mixing in CAPD indirect ToF sensors.

A multilayer high-κ passivation film on recessed pixel regions cuts dark current and white pixel defects while preserving pixel isolation.

Laser-patterned external electrodes eliminate plating masks, simplifying small LED package assembly and reducing short-circuit risk.

Concave and protruding pixel patterns redirect trapped light in OLED displays, raising luminance while lowering power consumption.

Angled pixel electrodes and an insulating layer reduce display short-circuit defects while preserving light emission efficiency in portable screens.

A 2D light grating layer on the panel cuts side-view brightness and avoids black images while preserving wider display visibility.

Selective nucleation-inhibiting and conductive coatings replace shadow masks in OLED electrode deposition, improving pattern precision and manufacturability.

A divided inter-die clock lowers toggling frequency to improve signal integrity and cut power in taller 3D stacked memory.

Segmented guard rings and a U-shaped insulating electrode stack improve ESD protection in scaled programmable semiconductor cells.

Conductive lines reroute around encapsulation edge stress zones to prevent peeling and breakage in Mini LED backplanes under thermal shock.

Laser-split beamlets ablate a dynamic release layer to transfer many discrete components at once with precise placement and high yield.

A doped fourth semiconductor region lowers potential barriers, improving charge transfer while limiting pixel-to-pixel signal leakage.

Segmented adhesive extensions seal the chip-to-layer gap, blocking reflective resin penetration and improving LED luminance and conversion efficiency.

A stepped backside via and etch stop layout preserves insulating distance near gate lines, reducing short-circuit risk in dense IC wiring.

A deep device isolation layout with extended active regions cuts pixel cross-talk while preserving gate size in dense image sensors.

Vertically stacked micro-LEDs with reflective cups and micro-lenses boost brightness and resolution while cutting power and crosstalk.

Conductive adhesive coupling patterns connect stacked LED layers without etching, simplifying multi-color emission and preserving light area.

Using encapsulation as a hard mask, this OLED panel layout improves pattern alignment, limits oxidation, and supports high-resolution yield.

Selective widening of fanout wire segments lowers panel impedance and heating while preserving narrow-bezel in-cell touch performance.

Dams around LCD panel spacers stop sliding under stress, protecting the alignment layer and avoiding light leakage and red-blue spots.

A negative-voltage black level correction structure raises the energy barrier to limit charge leakage and preserve image sensor full-well capacity.

A light-shielding planarization layer creates overlap and buffer coverage so microLED color filters stay accurate despite alignment displacement.

Separate voltage wirings and switching control keep electric fields uniform across large displays, improving LED alignment and limiting heat.

A transmissive adhesive, optical filter, and light-blocking epoxy are combined in wafer-level molding to produce compact modules with tighter height uniformity.

Variable-width wiring in a grooved display region keeps pixel circuits outside component areas, improving transmittance, brightness uniformity, and voltage drop.