Semiconductor Devices For Light Sources TRIZ Cases

Dual protrusion patterns with different height, pitch, and refractive index improve LED light extraction while supporting epitaxial growth.

A reflective layer layout boosts LED brightness while insulating coverage prevents current leakage and reliability loss.

An additive high-index coating with dispersed particles improves LED light extraction and output distribution without etching defects.

An organosilicon-modified polyimide light-conversion layer improves LED filament flexibility, heat resistance, and uniform 360° emission.

Conductive portions in frame openings prevent bonding voids and cracks while improving LED package heat dissipation and light output.

Spectral tuning of blue, green, and red phosphors lowers melanopic ratio to 0.65 or less while keeping CRI at 80 or more.

By sensing both AC voltage and terminal resistance, the control circuit distinguishes outage from switch-off and triggers battery lighting only when needed.

Multiple blue LED chips and RGB phosphors reshape white-light spectra toward sunlight while limiting blue exposure and phosphor loading.

Dual LED chips and blue, green, and red phosphors reshape indoor light toward sunlight, reducing blue-light risk without sacrificing efficacy.

Opposite-side phosphor distribution gives an LED filament lamp different color points, improving decorative appearance without losing useful illumination.

Luminescent material on opposite sides of an LED filament creates distinct color points, balancing warm decorative light with better color recognition.

A polarizer enclosing the LED filament enables polarized output while preserving the warm incandescent-like appearance and efficient light distribution.

Segmented optic regions combine light scattering and Fresnel focusing to improve flat illumination uniformity while reducing trim dependence.

Alternating narrow and wide band gap layers relax lattice stress in nitride LEDs, reducing defects and improving radiative recombination.

A Fresnel lens and downstream microlens array shape the beam for uniform brightness while keeping the illumination optics thin and light.

A microlens array on an LED chip package redirects Lambertian emission into a directional beam while reducing secondary optics and system size.

A widened through-hole wall in the DBR-insulating stack preserves electrode continuity, preventing fractures while maintaining light reflection.

A one-piece lens and reflector cuts fixture space, reduces light leakage, and improves light distribution in recessed luminaires.

A hinged cover assembly lets users remove and replace an internal insect-trap light without full disassembly, reducing repair time and downtime.

Controlled electrode-to-reflective-film potential and pixel thickness variation reduce color-dependent leakage currents and image mixing.

A stacked exciplex and phosphorescent layer cuts layer count while improving multicolor emission efficiency and reducing quenching losses.

Two 400-440 nm LED chips with blue, green, and red phosphors shape white light closer to black body radiation while reducing harmful blue exposure.

A magnetic snap-fit connector lets an LED lamp detach from fixed sockets for stable mounting and flexible use on different surfaces.

Alternating stress-relief layers and graded aluminum barriers reduce lattice defects and improve carrier recombination in nitride LEDs.

A protruding hole-defining wall in the DBR layer keeps LED electrodes continuous through through-holes, reducing fractures and improving light output.

A concave-convex elliptic lens redirects LED light to limit glare, keep the lamp compact, and maintain optical efficiency above 80%.

A rotatable cover assembly gives users direct access to the insect trap lighting element for simple LED replacement without complex disassembly.

Tailored microlens areas for OLED pixels with different resonance orders improve viewing-angle consistency and light use across pixels.

Microlens area matching across different interference-order pixels suppresses view angle variation while preserving light extraction efficiency.

A recessed floating deflector redirects LED light toward the reflector, producing a 6°–7° beam while minimizing glare.

A flexible support arm lets a light-transmitting flame element move under mechanical force, improving lifelike motion without a fixed support.

An ultrasonic mister and sealed pump assembly create synchronized fog and oil columns while isolating lantern components from liquid damage.