Semiconductor Devices TRIZ Cases

A semiconductor light emitting device uses a transparent film on the phosphor layer to enhance mechanical strength and current distribution.

Convex insulating layer on GaN light emitting device reflects light to improve extraction efficiency while wet etching prevents semiconductor damage.

Variable output capacitance reduces ringing and electromagnetic interference by adjusting depletion zone position during switching transitions.

A semiconductor device uses a segmented gate electrode to control current flow within the active region.

A source field plate reduces electrical fields between gate and drain electrodes in gallium nitride transistors.

A semiconductor device uses a back gate trench to segment fin portions on an SOI substrate for adjustable channel width.

A vertical power MOSFET uses a dopant concentration gradient in pillar layers to stabilize the sense ratio across operating temperatures.

A nitride semiconductor light emitting device applies a corner cover metal layer to reduce current concentration and increase the light emitting area.

A light emitting diode uses three-dimensional nano-structures on the semiconductor layer to redirect internal light rays toward extraction interfaces.

Optimized phosphor layer thickness and phosphor count reduce hue shift while maintaining color uniformity in semiconductor light emitting devices.

High aspect ratio micromachined silicon carbide pillars boost power density by five hundred times compared to planar structures.

Integrated hole collector regions transport charge carriers away from active areas, preventing threshold voltage shifts during high-voltage operation.

Segmented polysilicon layers with openings prevent dielectric thinning at trench ends, resolving gate oxide integrity issues in MOSFET devices.

Tailored nitrogen profiles in the tunneling layer reduce interface trap density, resolving retention decay during voltage scaling.

A removable prefilled layer supports a flip-type chip during laser lift-off, preventing deformation caused by heat expansion coefficient mismatch.

A high electron mobility transistor design removes the silicon substrate to enable simplified packaging and direct electrical connections.

A diode with a laterally structured barrier region improves anode injection efficiency by segmenting dopant concentrations to control plasma variations.

A temporary substrate mediates micro LED transfer, resolving laser lift-off spacing inconsistencies and improving yield.

Graded antimony in an InP buffer layer resolves surface flatness defects in InGaAs layers, reducing dark current in light-receiving elements.

Carbon-doped regions prevent boron diffusion while maintaining lower concentrations in the channel to eliminate junction leakage and improve breakdown voltage.

An uneven second electrode layer alters incident light critical angles to improve external quantum efficiency and adhesive strength in semiconductor devices.

A buried field plate in a wide oxide trench moves peak electric fields laterally away from the active cell area.

A compositionally graded AlGaN layer reduces device voltage and improves light extraction by resolving optical absorption trade-offs.

A spiral fin photodiode structure guides incident light to sidewalls and top surfaces, increasing carrier generation efficiency.

A super junction semiconductor device confines avalanche breakdown to a specific edge area with distinct compensation ratios.

Positive taper sidewalls prevent active pattern exposure and semiconductor damage during fabrication, improving layer alignment.

Through holes in the electrode allow oxygen diffusion to reduce contact resistance and improve heat dissipation.

An n-side electrostatic breakdown preventing layer generates pits to relax stress while a superlattice structure maintains crystallinity for high radiant flux.

Low temperature co-fired ceramic packaging with group III-nitride materials enables reliable galvanic isolation above 250°C for SiC power modules.

An alternating AlN and AlGaN spacer reduces lattice mismatch stress, improving epitaxial growth quality and mechanical stability.

Segmented chip thickness and inverted metal layers eliminate optical loss while maintaining structural strength without extra carriers.

Intersecting carbon nanotube electrodes minimize light absorption by conventional metal contacts, enabling high efficiency in nano-scale devices.

A reverse conducting insulated gate bipolar transistor uses segmented barrier regions to increase channel resistance and prevent premature parasitic NMOS activation.

A light-emitting element incorporates a non-doped GaN layer between p-type and n-type layers to enhance the tunnel effect.

A rectifier element between a source electrode and a field electrode limits charging current, reducing voltage spikes that threaten blocking capability.

Replacing fin portions with high-conductivity epitaxial material resolves thermal budget limits on dopant concentration, reducing parasitic capacitance.

Conformable phosphor layers prevent deterioration and light leakage while reducing color variance in white light emission.

Tilted conical nano-pillars reduce Fresnel reflection at grazing angles while maintaining broadband absorption efficiency.

Segmented drain and source electrodes bridge the nitride insulating layer to increase contact area with the two-dimensional electron gas.

Segmented inactive cells with a deeper floating P-type region boost electron injection while maintaining breakdown voltage.

Dual reflective structures guide LED light to a conversion layer, resolving low luminous efficiency in phosphor-based lighting applications.

Random surface textures on thin film sensors enable high photoelectric conversion efficiency by balancing light trapping against background noise.

Segmenting the conductive film reduces optical absorption while maintaining electrical paths, enhancing light extraction efficiency.

A polysilicon layer contacts a well region in a wide-gap semiconductor device to prevent abnormal potential increases and current concentration.

Annealing SiC gate oxides in nitric oxide above 1300°C reduces interface trap density, achieving high channel mobility without increasing processing complexity.

Fluorocarbon coating reduces LED sidewall surface energy, preventing underfill contamination that causes poor encapsulation adhesion and stress concentrations.

A Schottky barrier diode incorporates a graded AlGaAs composition change layer to generate negative polarization charges that relieve electric field concentration.

Local n-type doping compensates for p-type diffusion from compound layers, reducing parasitic capacitance and improving radio frequency characteristics.

A light-emitting element uses a gradient band gap active layer to enhance carrier injection efficiency.

Silicon doping in nickel gate electrodes suppresses interdiffusion to maintain resistivity and breakdown voltage.