Patterned sapphire substrates with a pre-patterning nucleation layer direct light upward, eliminating side-coating losses and boosting extraction efficiency.
Variable well thickness in the light emitting layer suppresses efficiency loss at high temperatures while maintaining wavelength unity.
Hollow particles embedded in a resin matrix form an uneven surface that diffusely reflects light to inhibit stray light and prevent resin burning.
A Schottky barrier diode uses a peripheral contact electrode layer to reduce current path resistance without increasing the semiconductor area.
Replacing thick GaN with thin AlGaN and metal oxide contacts minimizes photon absorption loss while maintaining ohmic stability.
A semiconductor LED chip bonded to a light-transmitting film via an inclined bonding layer redirects light laterally.
Belt-like second electrodes paired with symmetrically disposed first connecting bodies enable uniform electrical conduction across the semiconductor light emitting device.
Dielectric filling isolates gates from conductors, preventing shorts and removing photomask requirements.
Vertical field effect transistors use gate and source drain trenches to increase device density while reducing manufacturing costs.
A light emitting diode uses ion implantation to create regions of different resistance in the p-type semiconductor layer.
A nickel pre-plated lead frame substrate enhances adhesion with the thermoplastic housing in light emitting diode packages.
Segmented p-type AlGaN and GaN layers prevent current collapse and reduce leakage current in normally-off nitride semiconductor transistors.
Laser-induced cracks and selective wavelength conversion layer removal enable precise substrate cleaving for light-emitting devices.
An insulating film distributes the electric field uniformly across nitride semiconductor layers, preventing local concentration that reduces breakdown voltage.
An impurity diffusion stop layer in a substrate recess blocks dopant migration into the channel, maintaining carrier mobility uniformity.
Vertical gate extension in high-voltage MOS devices reduces chip area while optimizing electrical field distribution to decrease leakage currents.
A light-emitting device uses textured semiconductor cavities and transparent conductive oxide layers to enhance lateral current spreading.
Segmenting the edge termination region into distinct zones optimizes impurity concentration to reduce on-resistance while maintaining breakdown voltage.
Graded aluminum composition in the second conductive type semiconductor layer improves light extraction while maintaining ohmic contact.
A GaN semiconductor device uses a localized high impurity concentration region to enhance p-type activation rates.
Transparent insulating film with patterned openings controls current flow in bonded semiconductor light emitting devices.
A sapphire wafer with a height step between regions confines semiconductor growth to prevent layer cracking and boost manufacturing yield.
Vertical field plates inside trenches reduce edge termination area and surface charge effects while maintaining high breakdown voltage.
Strained quantum well channels split electron conduction states, reducing surface roughness scattering that limits carrier mobility.
Graphene electrodes paired with a zinc oxide block create a visibly transparent ultraviolet photodetector.
A field effect transistor uses an oxide film channel with hydrogen or deuterium added to source and drain parts for lower resistivity.
A GaN transistor uses a three-dimensional folded channel to increase effective conduction area and reduce on-state resistance.
A light emitting device uses a concave cup wall and reflective plate to manage optical paths within the LED assembly.
Overlapping a buried layer with well regions widens doping profile spacing, reducing charge punching to increase breakdown voltage from 4V to 98V.
A soft polymer buffer layer enhances adhesion between the flip-chip LED die and packaging structure.
Interfacial compensation regions neutralize defect-induced carriers, lowering bias voltage requirements and leakage currents in high-speed photonic devices.
A buried electrode configuration positions gate structures below the light-receiving surface of a single-crystalline semiconductor film to maximize radiation absorption.
A hole barrier layer with a specific bandgap configuration impedes holes from reaching the gate node in field effect transistors.
Dual etching shapes the gate region to stabilize channel length variations, resolving sidewall angle control issues that reduce production yield.
Alternating N-type and P-type RESURF regions in the drift region lower on-state resistance while maintaining breakdown voltage.
A semiconductor light emitting element uses a diffractive face to redirect trapped light.
Vertical stacking of III-V heterostructures forms multiple carrier channels, increasing power gain at high frequencies without expanding lateral footprint.
MIS-type GaN HEMT with inverted trapezoidal gate trench reduces gate leak current and on resistance by isolating the electrode.
A trench insulating film with higher positive charge density in its outer region attracts electrons to reduce on-state resistance.
Replacing AlGaAs with low resistivity InGaAs cladding layers improves current spreading and antistatic resistance in infrared LEDs.
A photoluminescent light-emitting apparatus uses a multi-region surface to emit directional light.
A reflective thermal conductor covers a wavelength conversion element to recycle light through a smaller exit window.
A light-emitting device uses a resin body with a concave bottom surface to surround the light-emitting element.
An asymmetrical dislocation in the source-drain region of a semiconductor structure improves electrical performance by reducing short channel effects.
Segmented passivation layers with interlayer insulation block solder migration from source pads, improving reliability under high heat.
An enhancement implant in the accumulation region increases net carrier concentration and reduces resistivity.
An amorphous oxide thin film transistor incorporates a metal oxide resistance layer between the active channel and source drain electrodes.
Al-based cover electrode with metal oxide film resolves adhesion issues in semiconductor light emitting elements, preventing Ag migration.
In-situ doping during epitaxial growth maintains high dopant levels in fin structures, preventing current leakage through sub-channel regions.