F21K9/66

Color separation lighting devices

Lighting apparatuses include an enclosure around first and second light engines. The enclosure has a diffuser over first, second and third regions. The first and second regions are separated by the third region; a first light spectrum is emitted from the first region; a second light spectrum is emitted from the second region; and a mixture of the spectrums is emitted from the third region. In some embodiments, the first spectrum has a CCT≥7000K; the second spectrum has a CCT≤6500K. In some embodiments, the first spectrum has a first CCT≥3500K; the second spectrum has a second CCT≤6500K; the second CCT<first CCT and the difference between the CCTs is at least 1000K. In some embodiments, the first spectrum has a color bounded by a first set of chromaticity coordinates, and the second spectrum has a color bounded by a second set.

Color separation lighting devices

Lighting apparatuses include an enclosure around first and second light engines. The enclosure has a diffuser over first, second and third regions. The first and second regions are separated by the third region; a first light spectrum is emitted from the first region; a second light spectrum is emitted from the second region; and a mixture of the spectrums is emitted from the third region. In some embodiments, the first spectrum has a CCT≥7000K; the second spectrum has a CCT≤6500K. In some embodiments, the first spectrum has a first CCT≥3500K; the second spectrum has a second CCT≤6500K; the second CCT<first CCT and the difference between the CCTs is at least 1000K. In some embodiments, the first spectrum has a color bounded by a first set of chromaticity coordinates, and the second spectrum has a color bounded by a second set.

ILLUMINATION DEVICE AND LAMP COMPRISING THE ILLUMINATION DEVICES
20230038966 · 2023-02-09 · ·

Provided is an illumination device comprising a support structure and a light-emitting component being provided on one side of the support structure. The support structure also has an opening on one of its sides and an optical component cooperating with the opening to form an accommodating space. The illumination device also comprises an integrally formed light transmission portion provided above a light-emitting side of the light-emitting component. The light transmission portion is configured to transmit light from the light-emitting component. The illumination device additionally comprises a plurality of sealing portions being integrally formed.

LED BULB STRUCTURE
20180003348 · 2018-01-04 ·

An LED bulb structure includes a heat dissipation base, a power connector, a light-emitting module, an insulation cover, and a light-guiding cover. The power connector is disposed on a bottom side of the heat dissipation base. The light-emitting module includes a circuit substrate disposed on a top side of the heat dissipation base and a plurality of LED chips electrically connected to the circuit substrate. The LED chips are surroundingly disposed on the circuit substrate and adjacent to an outer perimeter surface of the circuit substrate. The insulation cover is disposed on the circuit substrate, and the insulation cover has a surrounding main portion and a convex portion disposed on a top side of the surrounding main portion. The light-guiding cover is disposed on the insulation cover. The light-guiding cover has a through opening formed on a top side thereof for exposing the convex portion.

SOLID STATE LIGHT FIXTURES SUITABLE FOR HIGH TEMPERATURE OPERATION HAVING SEPARATE BLUE-SHIFTED-YELLOW/GREEN AND BLUE-SHIFTED-RED EMITTERS

Solid state light fixtures include a plurality of blue-shifted-yellow/green light emitting diode (“LED”) packages and a plurality of blue-shifted-red LED packages, where the solid state light fixture emits light having a correlated color temperature of between 1800 K and 5500 K, a CRI value of between 80 and 99, a CRI R9 value of between 15 and 75, and a Qg value of between 90 and 110 when the blue-shifted-yellow/green LED packages and the blue-shifted-red LED packages are operating at steady-state operating temperatures of at least 80° C.

LIGHT SOURCE HAVING MULTIPLE DIFFERENTLY-COLORED EMITTERS
20230235861 · 2023-07-27 · ·

An emitter module for a light-emitting diode (LED) light source may comprise a substrate, and a plurality of emitters mounted to the substrate, where each emitter is configured to produce illumination at a different wavelength, and the number of emitters is greater than four (e.g., five emitters). The emitter module may also comprise a dome mounted to the substrate and encapsulating the plurality of emitters. Each of the plurality of emitters is arranged such that a center of the emitter is located on a circular center line that has a center that is the same as a center of the dome. Each of the plurality of emitters is located on a different primary radial axis of the emitter module. Each of the primary radial axes of the emitter module is equally spaced apart by an offset angle. The emitter module may also comprise an additional one of each of the emitters at each of the different wavelengths (e.g., ten total emitters).

LIGHT SOURCE HAVING MULTIPLE DIFFERENTLY-COLORED EMITTERS
20230235861 · 2023-07-27 · ·

An emitter module for a light-emitting diode (LED) light source may comprise a substrate, and a plurality of emitters mounted to the substrate, where each emitter is configured to produce illumination at a different wavelength, and the number of emitters is greater than four (e.g., five emitters). The emitter module may also comprise a dome mounted to the substrate and encapsulating the plurality of emitters. Each of the plurality of emitters is arranged such that a center of the emitter is located on a circular center line that has a center that is the same as a center of the dome. Each of the plurality of emitters is located on a different primary radial axis of the emitter module. Each of the primary radial axes of the emitter module is equally spaced apart by an offset angle. The emitter module may also comprise an additional one of each of the emitters at each of the different wavelengths (e.g., ten total emitters).

Light bulb shaped lamp

A method of manufacturing a light emitting module is provided. A plurality of light-emitting diodes are aligned on an elongated base board. By a dispenser, an uncured paste of sealing material is continuously applied on a plurality of light-emitting diodes aligned on the elongated base board. The applied paste of sealing material is cured.

Light bulb shaped lamp

A method of manufacturing a light emitting module is provided. A plurality of light-emitting diodes are aligned on an elongated base board. By a dispenser, an uncured paste of sealing material is continuously applied on a plurality of light-emitting diodes aligned on the elongated base board. The applied paste of sealing material is cured.

Display device including bending protection and anti-reflection layers

Provided is a display device including a display module, an anti-reflection layer, and a bending protection layer. The display module includes a first area, a second area, and a bending area disposed between the first area and the second area and having a predetermined curvature radius. The bending protection layer includes a first portion overlapping at least the first area and a second portion overlapping at least the bending area. The first portion has a maximum thickness in a range from about 40 μm to about 85 μm, a maximum inclined angle in a range from about 10° to 30°, and an elastic modulus in a range from about 50 MPa to about 300 MPa.