Solid-State Devices TRIZ Cases

See how a laminated leather-like display uses a light-blocking layer and controlled luminance r

See how a thermoelectric heat exchanger with segmented cold plate flow paths reduces generator

See how hydroxyl-functionalized hybrid nanoporous materials achieve high water uptake at low re

See how a universal quick-connect outlet and flow control device enable mess-free switching bet

See how a spring-loaded clamp enables single-hand control of artificial tree branches by automa

An electroconductive polymer film uses retarded oxidation and doping control to harvest body heat with flexible thermoelectric output.

Natural coolant circulation cools MRI superconducting magnets while cutting helium vessel weight, boil-off, and venting complexity.

A sloped hot-cold layout and asymmetric fan sinks enable single-sided thermoelectric mounting while preserving heat transfer in tight spaces.

Varying RGB driving transistor areas while keeping OLED emission areas equal improves color uniformity and preserves pixel aperture ratio.

Varying driving transistor sizes by RGB emission efficiency improves light control, color uniformity, and pixel aperture ratio in OLED displays.

Sterically tuned Ir, Pt, Rh, Re, and Os emitters improve OLED color purity and efficiency while reducing concentration quenching at high doping.

Boiling pure water or methanol at subambient pressure removes high electronic heat loads with less weight and power than refrigeration.

Sequential ITO and Al patterning with one photoresist mask cuts transflective LCD photo-etch steps while preventing reflection electrode lifting.

Maskless shadowed-region coating connects OLED auxiliary and second electrodes to cut IR drop and support optical tuning.

A filled via in the bonding region spreads bonding pressure, reducing stress concentration and display substrate damage.

A die cleaning frame uses pocket supports and edge contact to reduce contamination, misalignment, and die breakage during die-to-wafer bonding.

A curved first electrode over a planarization protrusion reduces viewing-angle luminance loss and image quality deviation in display pixels.

A fatty acid ester solvent that solidifies during storage and melts for spraying keeps light-emitting elements uniformly dispersed and aligned.

Crossed alignment and auxiliary electrodes use electrostatic fields to position light emitting elements more precisely in display pixels.

A stopper film flattens chip-to-wafer steps during CMP, reducing voids, poor bonding, stress, and positional deviation.

Magnets and fluid-assisted transfer align micro-LEDs uniformly on a tray, improving large-display assembly yield and reducing non-specific binding.

Viewing angle control layers and reflective side portions redirect display light to cut windshield glare while preserving image visibility.

Vertical LED stack integration increases sub-pixel area in limited display space while cutting mounting time and improving yield.

Laser-modified cutting lines let SiC wafers cleave cleanly around monitor patterns, reducing meandering and shape defects in chip separation.

Bridge dies with repeater or fanout structures connect mixed-size IC dies in 3D packages without full substrate redesign, improving agility and yield.

Alternating segmented signal lines at cross-line regions spread current and bending stress to prevent shorts and fractures in flexible displays.

Sidewall reflective electrodes, scattering layers, and light absorption redirect micro-LED emission to cut side lobes and improve viewing angle.

A light-blocking layer overlapping opening sidewalls limits stray light between adjacent sub-pixels, reducing TFT leakage and color drift.

A concave-entry lens with orthogonal axes redirects LED light to reduce shadows and hot spots while improving backlight uniformity.

Separated cascade connection lines and signal lines prevent short circuits and delay, improving display substrate wiring reliability.

Wafer-level bonding, etching, and via wiring cut micro LED transfer time and connection failures, improving display yield and image quality.

Photostructurable wafer-level absorber patterning suppresses secondary LED light emission while keeping emission and contact surfaces precisely exposed.

Balances strong wafer support during polishing with clean post-process release using a hydrosilylation-cured epoxy-modified polysiloxane adhesive.

Varying edge-region light-emitting cell layouts helps tiled self-emitting displays mask pixel pitch mismatch and reduce visible unit boundaries.

Rear-side circuit placement and through-substrate electrodes cut display dead space while the etching stopper blocks corrosion during hole fabrication.

An insulating blocking layer isolates overlapping OLED sub-pixels, blocking hole transport and preventing adjacent pixel crosstalk.

A composite hole injection layer with tuned HOMO alignment improves charge balance, lowers OLED operating voltage, and extends lifetime.

A vertically stacked micro LED uses conductive bumps and an integrated conductive layer to cut wiring and shrink module volume.

Magnetic ink aligns micro LED chips during mounting, while thin film fuse links allow defective connections to be cut and repaired.

Column-based hybrid cell heights with filler cells prevent layout gaps and design rule check violations in semiconductor arrays.

Laterally displaced microlenses and quantum-dot conversion improve micro-LED photon extraction, uniformity, and color purity.

Stacked voltage lines and contact-hole connections shrink bezel areas, stabilize power, and reduce visible seams in tiled displays.

A single conductive layer for gate, source, and drain cuts mask steps while preserving TFT current uniformity, yield, and reliability.

Mirror-image signal line placement in adjacent OLED pixel regions balances luminance decay and reduces wide-angle color shift.

A multi-level light control film uses stacked metal, transmission, and blocking patterns to narrow display viewing angles for privacy and image clarity.

A prefabricated diffuser film and black resin planarization reduce LED display brightness variation and color shift across viewing angles.

Block-group LED rank assignment spreads different luminous-flux bins across BLU mounting points to prevent stains and brightness non-uniformity.

Reusable die catch and release materials cut consumables and simplify laser-assisted semiconductor die transfer between carriers and substrates.

Dual active layers in a nanorod LED enable self-alignment, easier repair, and more uniform luminance in display manufacturing.

A surface-emitting laser, inclined mirror, and photodiode array improve SPR measurement accuracy while enabling semiconductor-level miniaturization.

Negative-threshold SLC NAND uses 0 V read pass levels to cut voltage ramping, improving read bandwidth and lowering power.

Anthracene host compounds and matched electron transport materials improve OLED exciton balance, boosting efficiency and lifespan.

Separate front-end and back-end chips let storage hardware adapt to changing host and memory standards without full redesign.

A backside gate line slit relieves wafer bow and thermal stress in bonded 3D memory, improving overlay alignment, yield, and contamination control.

Trap-and-groove transfer layers improve semiconductor device seating and alignment in displays, reducing misalignment and repair rates.

Segmented LED strings and reflection walls cut backlight driving voltage, reduce damage risk, and keep module brightness uniform.

An ultrathin intermediate layer traps gas for clean SiC working-layer transfer above 1000°C while avoiding blistering and carrier damage.

Stacked thin-film FeFET NOR strings use ferroelectric hafnium oxide and shared lines to improve endurance, retention, density, and read speed.

A stepped insulating structure and barrier wall protect UDC conductive connections from corrosion and warping, preventing display circuit defects.

Preformed photosensitive transfer layers improve film uniformity and hole rectangularity, reducing LED array light leakage at hole ends.

An inorganic protective layer blocks foreign material intrusion between electrodes, preventing OLED bright and dark spot defects.

Vertically discrete epitaxial source/drain regions cut contact resistance in gate-all-around nanowire transistors while supporting sub-10 nm scaling.

Sequential circular control lets a three-line LED strip keep color modulation while cutting width to 5 mm and extending strip length.

Separate, non-overlapping TSV paths let stacked DRAM dies communicate independently, isolating failed dies while preserving capacity and power efficiency.

Low-modulus optical adhesive and vacuum bonding cut yellowing, warping, and process time in electronic component assembly.

Patterned insulating openings and light-shielding layers place display and fingerprint elements on one substrate with less interference.

Thicker edge pads and side electrodes cut multi-screen bezel gaps while maintaining reliable substrate connections and display yield.

A low-modulus gap filler between the optical layer and bending protector prevents ESD wire damage while preserving foldable display durability.

A near-field dielectric reflector redirects trapped and lateral LED emission into the escape cone, cutting internal optical loss and bounce count.

Columnar electrodes formed on the interconnect substrate and stabilized by resin help stacked chips resist thermal-stress cracking.

A body ring under the gate-source ESD diode disperses electric fields to raise breakdown voltage and suppress leakage in power MOSFETs.

Stacked conversion layers and partition structures help micro LED modules place fine RGB regions accurately while limiting color mixing.

A separated latch-up protection circuit uses redistribution layers to divert surge current and improve semiconductor reliability.

Organometallic OLED emitters with tuned ligand structures improve saturated RGB color purity and white-light emission efficiency.

Separated polymer channels align light emitting elements while cutting reflection and improving resistance to external impact in flexible displays.

An organic transmission layer protects light-emitting element ends and removes extra masks, cutting display fabrication cost and complexity.

A 3D stacked PIC and switch ASIC cuts high-speed RF trace length with TSV links, improving scalability and speed performance.

Transparent wiring and selective film removal preserve display area while improving light transmission to rear optical devices.

Different TSV diameters in the base wafer and stacked chips reduce warpage damage while supporting higher semiconductor chip stacking.

A staggered LED unit layout with separated wiring and an insulating layer improves placement flexibility while reducing light and timing variation.

A capping layer sized by D, T, and refractive index redirects seam light to reduce shining edges, ghost images, and shadow effects.

Selective pixel separators only at X-direction boundaries cut column crosstalk while preserving photoelectric conversion volume and quantum efficiency.

A multi-quantum well nitride LED combines direct multi-color emission with red phosphor conversion to produce white light with higher color rendering.

Reflective and optical layers redirect and diffuse LED chip light to raise brightness, widen emission angle, and keep chip-scale packages compact.

Laser bonding a transparent substrate to the wafer removes bonding wires, shrinking image sensor packages while improving reliability and signal speed.

A gallium-based liquid metal in LED packages heals solder-joint cracks and improves heat conduction, extending chip life under thermal cycling.

A stepped cathode isolation structure creates recessed sidewalls that prevent sputtered cathode bridging and improve OLED panel yield.

Reversible bonding lets defective micro-LED dies be removed and replaced, preserving fine pixel pitch and display yield without redundancy.

A dedicated erasing layer reroutes electron removal in 3D flash memory, reducing tunnel dielectric wear and extending cell lifetime.

A conductive layer inside selected isolation structures generates Joule heat to recover worn memory cells, widen voltage margin, and cut power use.

Two polymer layers encapsulate micro-LEDs and interconnections to preserve optical clarity while improving durability under vehicle stress.

Vertically oriented digit lines and GAA access transistors cut DRAM capacitance and improve voltage signal integrity in stacked memory arrays.

A pad-mounted limit assembly restrains LED chip pins during soldering to prevent contact shift and improve bonding precision.

Pre-formed cover grooves and blocking structures replace glue filling to avoid LED board damage, substrate deformation, and slow dvLED assembly.

Directly molding a contrast mask onto the display circuit board improves small-pitch LED contrast while reducing glare and light distortion.

A non-MOS current-sensing region diverts reverse recovery diode current to prevent active-region damage and preserve overcurrent detection.

Laser beamlets and a dynamic release layer enable concurrent transfer of ultra-thin discrete components with precise placement and high yield.

A shared substrate separates light sensing from multi-LED emission, expanding optical module design freedom without added module bulk.

A sapphire-backed AlInGaP red LED structure enables flip-chip bonding while reducing GaAs light absorption and improving heat dissipation.

A curable polymer core with thermoplastic filler helps information cards flex without damaging embedded circuit elements while keeping production efficient.

Quantum-well InGaN layers with AlGaN and GaN barriers improve red LED emission at 600-750 nm while supporting direct-view display integration.

A metallized temporary bonding layer replaces polymers, enabling laser debonding, higher process temperatures, and cleaner substrate separation.

Separated capping portions and a reflective layer boost display light output while avoiding thin film transistor overlap.

Alternating dielectric DBR layers with thinner high-index films improve wide-angle LED reflectance and reduce absorption on patterned sapphire.

Sequentially charged and discharged on-die capacitor banks give memory devices backup power with less substrate footprint and lower data-loss risk.

A layered amorphous-crystalline oxide TFT uses self-aligned gate and source/drain formation to tune S-values and cut mask steps in OLED pixels.

A high-viscosity base layer followed by an LED ink and electric-field alignment extends settling time and reduces overlap defects in display panel manufacturing.

An auxiliary emitting layer captures excess cathode-side excitons in OLEDs, reducing TTA, limiting efficiency roll-off, and extending lifespan.

Vertical semiconductor stacks with an intermediate optical filter enable multi-wavelength emission or detection in a smaller, lower-cost package.

Separating 3D memory and logic into different dice cuts manufacturing complexity while preserving high computational density and fast inter-die data flow.

Blocking members guide self-assembled light emitting devices into assembly holes to improve pixel alignment, luminance, and emission uniformity.

Sidewall light-altering materials and exposed lumiphoric layers boost LED directional output while improving color uniformity over angle.

Specific host and hole transport compounds improve charge transport and recombination to lower OLED driving voltage while preserving luminous efficiency.

Switchable collimated and diffused light output controls viewing angles to limit unauthorized viewing and reduce driver interference.

Interface layers between stacked ferroelectric layers block dopant diffusion, preserving remanent polarization and stable data retention.

A stacked gate, cell contact, and insulating ring layout raises non-volatile memory integration while avoiding costly fine patterning.

Pre-spaced mandrels separate word lines from dummy structures, preventing end bridging while improving pattern transfer margin and yield.

A low transmittance film overlapped with tiled substrate gaps reduces visible seams while preserving light emission quality.

A tunneling junction and shifted active-layer position improve micro LED light output while managing layer thickness and doping constraints.

Pre-reading select gate threshold voltages enables adaptive erase biasing that tightens erased threshold distributions and reduces memory read errors.

An OTS layer lets an IC ESD diode stay compact with low capacitance and leakage, then switch conductive during voltage spikes.

Integrated side electrodes and molding secure light emitting elements to the display substrate for stable electrical connection and smooth image display.

Pad openings guide solder flow to pull misaligned micro LED pins into place, preventing false soldering and improving display yield.

A sloped encapsulation edge covered by black ink refracts seam light in stitched LED modules, reducing bright lines and improving uniformity.

Multiple ultra-thin LED elements per subpixel reduce transfer defects and misalignment while enabling AR/VR displays up to 3,000 ppi.

Using one mask for multiple conductive layers cuts mask count and process complexity while preserving via-based electrical connections.

Shared formation of a gate electrode and poly-Si layer cuts display manufacturing steps while preserving high mobility where needed.

A barrier layer between signal lines and the cathode cuts parasitic capacitance, blocks light and hydrogen, and preserves display signal integrity.

A tantalum nitride or carbide barrier layer separates upper and lower gates in 3D-stacked transistors while preserving threshold control and lowering resistance.

Separate light-emitting regions and wavelength conversion layers let one module deliver both wide and narrow beams with adjustable color temperature.

Vertical digit lines with GAA access transistors raise stacked DRAM density while lowering capacitance and preserving signal integrity.

Broadband blue LED excitation with layered phosphors improves color rendering while reducing melatonin suppression and preserving lighting efficacy.

Light-triggered solvent and thickener breakdown lets display inks eject smoothly, limit particle settling, and improve light-emitting element alignment.

A wavelength conversion layer shifts backside visible leakage to infrared or ultraviolet, preserving scene visibility and reducing bird and insect collisions.

Independent slice refresh modes stagger bank refresh in stacked memory, cutting current spikes while maintaining data integrity.

Shortened CPODE and shifted CPO gate patterns add via landing choices to ease IC routing, cut resistance, and limit signal coupling.

Partial insulating coverage leaves a conductive semiconductor area exposed, increasing electrode contact while reducing LED damage during film formation.

Direct TSV connections in an HBM overhang assembly shorten signal paths, cutting latency and crosstalk while supporting high memory bandwidth.

Modular chiplets split sensor fusion and memory tasks to cut latency, power use, and cost in multi-function vehicle computing.

Matched differential transistor pairs and a gain stage expose microvolt BTI-induced offset shifts that conventional tests miss.

Wafer-bonded mold stacks and epitaxial layers enable denser 3D memory cells while limiting parasitic capacitance in stacked arrays.

Preformed metal substrates curb bowing during thermo-compression bonding, enabling larger SSL wafers with stronger support and lower cost.

A low-resistance conductive layer on the connection layer backside spreads current evenly across micro LED mesas to prevent brightness nonuniformity.

Protruding pixel electrodes let connection electrodes fully wrap and melt-bond, preventing voids that lower current density and luminance.

Selective dielectric thinning with a sealing layer protects communication elements while reducing signal attenuation in thin communication modules.

Phase-calibrated rank timing and dedicated CA links overcome inter-rank clock skew, enabling fine command interleaving with lower latency.

Optical inspection and controlled transfer-film elongation place light-emitting elements at target spacing for accurate display panel fabrication.

An integrated Schottky path redirects inductive reverse current away from the MOS structure to prevent parasitic PNP activation and thermal damage.

Access counting and targeted victim-row refresh curb row hammer data loss while avoiding full-row refresh overhead and extra power use.

Insulating layers and pad openings block etchant-metal reaction, preventing silver particles and dark spot defects in display panels.

Bridge openings and dummy contact holes cut visible reflected patterns in touch sensing electrodes while preserving insulation and touch input.

A color gamut adjustment module aligns mixed display panels at splicing seams, preventing abnormal images and uneven color output.

Different-reflectance regions place micro-LEDs over high-reflectance areas to improve light efficiency while preserving black reflection visibility.

Laser-formed conductive ditches replace wire bonding in vertical LED die packaging, improving yield, miniaturization, and connection reliability.