4133results about "Spectral modifiers" patented technology

Provided is a refrigerator. The refrigerator includes a cabinet and a door. The door includes a door body in which an insulating material is filled and a panel assembly detachably mounted on the door body. The panel assembly includes a panel which is configured to define a front surface of the door and through which light is transmitted, a back cover configured to define a rear surface of the panel assembly, a lower bracket configured to define a bottom surface of the panel assembly, and a lighting device mounted on the lower bracket to emit light to the panel. A bracket opening through which the lighting device is accessible is defined in the lower bracket.

A light emitting module includes: a substrate; a plurality of light sources fixed on the substrate and generating individually controllable outputs; a light shielding member disposed between the light sources; a first lens that is disposed above the light sources and on which the light emitted from each of the light sources becomes incident; and a drive unit capable of rotating the substrate. The light sources include a first light source and a second light source. The angle formed by the axis of rotation of the substrate and the optical axis of first light emitted by the first light source and exiting the first lens differs from the angle formed by the axis of rotation and the optical axis of second light emitted by the second light source and exiting the first lens. The second light can irradiate a first circular track having the axis of rotation as its center.

A vehicle lamp, which reflects light of a predetermined color using ambient light and emits light of a predetermined pattern using internal light, includes: a light source that emits light; a lens disposed in a light emission path of the light source; and a main film attached to the lens. The main film includes: a color layer that reflects ambient light in a predetermined color; and a functional layer that selectively transmits the light emitted from the light source.

An electronic candle with a highly simulated flame effect, including a housing having a top wall and a cylindrical peripheral wall, where the top wall has a through hole in the center; a flame head, passing upward through the through hole and including a candle flame-like luminous body and a simulated cotton core column, where the luminous body including an LED lamp bead and a light guide cup at the bottom, the LED lamp bead and the light guide cup are each a misty colloid component, a transmittance of the LED lamp bead is higher than a transmittance of the light guide cup, a first light-emitting chip and a second light-emitting chip that separately change in light and dark are provided in the LED lamp bead vertically, the first light-emitting chip located above emits warm white light upward, and the second light-emitting chip located below emits blue light downward.

A waist fan includes a housing, a fan assembly arranged in the accommodating cavity and configured to guide airflow from the air inlet to the air outlet, a light-emitting assembly, and a control assembly electrically connected to the light-emitting assembly and configured to control the light-emitting assembly to emit flashing light in different colors and / or warning flashing light. The housing includes an accommodating cavity, an air inlet communicated with the accommodating cavity, and an air outlet communicated with the accommodating cavity.

A vehicular exterior rearview mirror assembly includes a mirror head accommodating a mirror reflective element and an illumination module, which includes a light source, a first mask, and a second mask. When the light source is powered, emitted light that passes through the first mask is a first color and emitted light that passes through the second mask is a second color. With the mirror assembly mounted at a vehicle, and when the light source is powered to emit light, light emitted by the light source passes through the first mask to project a first projected image onto a ground region and passes through the second mask to project a second projected image onto the ground region. The first projected image includes a first logo portion having the first color, and the second projected image includes a second logo portion having the second color.

The light source module comprises a first light-emitting unit, a second light-emitting unit, a third light-emitting unit and a fourth light-emitting unit which are electrically independent from one another and have different light colors, and the light color of the single-color light-emitting unit is optimized by the light source module, so that the color temperature coverage range of white light obtained by light mixing is wide; compared with the prior art, the light source module has the advantages that the coverage range is from 1800 K to 20000 K, meanwhile, the light source module has good color rendering property, the color rendering index CRI is larger than 90 in the color temperature range of 1800-20000 K, the color rendering index CRI is larger than 95 in the color temperature interval range of 2100-20000 K, the light quality of the light source module is superior to that of an existing RGB, RGBW and other all-in-one light source, and the light source module is more suitable for the field of general indoor illumination. Meanwhile, color light can be compatible by controlling the multiple light emitting units, and a multi-color light mixing system capable of giving consideration to high-quality white light and color light atmosphere at the same time is formed.

A flame apparatus of an electric candle includes: a PCBA board, including a flame portion having a first side face and a second side face disposed opposite to each other; a plurality of lamp beads, arranged on the first side face; a first color-toning layer, disposed on the first side face and configured to encapsulate the plurality of lamp beads; a second color-toning layer, having a substantially same color as the first color-toning layer and disposed on the second side face; and a lamp head cover, arranged around a periphery of the first color-toning layer and the second color-toning layer and including a first side wall and a second side wall, wherein the first color-toning layer is covered by the first side wall, the second color-toning layer is covered by the second side wall, and the first side wall has a thickness greater than the second side wall.

The invention provides a light generating system (1000) configured to generate system light (1001), wherein the light generating system (1000) comprises a first light generating device (110), wherein: (A) the first light generating device (110) comprises a first light source (10) and a first luminescent converter (210); (B) the first light source (10) comprises a solid state light source, wherein the first light source (10) is configured to generate first light source light (11) having a first light source centroid wavelength (λS, 1) selected from the range of 380-420 nm; (C) the first luminescent converter (210) is configured to convert at least part of the first light source light (11) into first converter light (211) having a first converter centroid wavelength (λc, 1) selected from the green-yellow wavelength range; (D) the first light generating device (110) is configured to generate first device light (111) having a spectral power distribution in the wavelength range of 380-780 nm with at least 60% of the spectral power provided by the first light source light (11) and at maximum 40% of the spectral power provided by the first converter light (211).

A lighting apparatus includes one or more first type LED modules, one or more second type LED modules and a driver circuit. The first type LED modules for emitting a first light of a first color temperature. The second type LED modules for emitting a second light of a second light temperature. The first type LED modules have a first spreading light angle and the second type LED modules have a second spreading light angle. The first light spreading angle is different from the second light spreading angle. The driver circuit provides a first working mode and a second working mode respectively corresponding to a first mixed light spreading pattern and a second mixed light spreading pattern by selectively turning on the first type LED modules and the second type LED modules.

An optical display device arranged to generate in an output aperture a virtual a sky scene which is configured to make a user experience distant depth perception, the device comprising: an output light generation system for generating output light comprising a three-dimensional arrangement of a plurality of light control members, which are carried by one or more optically transparent substrates, and a light source arrange to project light to and / or from the light control members, and; an output aperture for output of the output light, wherein the light control members are configured for manipulation of the output light to create a distant object component with one or more features that appear to an observer gazing into the output aperture to be at an apparent depth ZA beyond a physical depth ZD of the device.

The utility model relates to the technical field of lighting, and provides a light source module which comprises a first substrate and a plurality of light-emitting lamp beads, the first substrate is provided with a light-emitting face, and the light-emitting lamp beads are installed in the light-emitting face and distributed in a determinant mode. The light-emitting lamp beads comprise red light LED lamp beads, green light LED lamp beads, blue light LED lamp beads and white light LED lamp beads which are independently controlled; in every two adjacent rows of light-emitting lamp beads, two of the red light LED lamp beads, the green light LED lamp beads, the blue light LED lamp beads and the white light LED lamp beads are arranged in one row, and the other two of the red light LED lamp beads, the green light LED lamp beads, the blue light LED lamp beads and the white light LED lamp beads are arranged in the other row. The arrangement mode of the plurality of light-emitting lamp beads ensures that the light-emitting lamp beads of each color cannot be concentrated in a certain specific area, so that the color uniformity of the whole light-emitting surface is realized, more consistent and more uniform lighting effect is provided, and more natural and more uniform synthetic white light is generated.

The invention discloses a coated reflecting film based on an organic fluorescent coating and a preparation method of the coated reflecting film, tetra (4-aminophenyl) methane and tetra-(4-formyl-(1, 1-biphenyl)) ethylene are used as reaction monomers to prepare a novel topological structure [4 + 4] COF (3D-TPE-COF) with a tetraphenylethylene (TPE) unit, and the novel topological structure [4 + 4] COF (3D-TPE-COF) is used for preparing the reflective film based on the organic fluorescent coating. The covalent organic framework material 3D-TPE-COF is added into coating liquid as a fluorescent material to prepare a coating reflecting film based on an organic fluorescent coating, and the obtained reflecting film can convert high-energy blue light, so that the brightness of light emitted by a backlight module is higher and closer to white; meanwhile, the 3D-TPE-COF fluorescent material and the polymer particles can form hydrogen bonds in the coating liquid to avoid aggregation of the polymer particles, so that the wear resistance and scratch resistance of the coating reflecting film are improved.

A luminaire including an LED light source, a plurality of color filters, an optical device, and a control system is provided. In response to receiving an optical device setting value via a data link, the control system moves the optical device according to the setting value, calculates modified positions for one or more of the color filters based on an effect of the optical device on the color of the light beam of the luminaire, and causes the one or more color filters to move to their modified color filter positions, in order to reduce the effect of the optical device on a beam color emitted by the luminaire.

A home appliance includes: a cabinet defining a storage space, and a door comprising (i) a door body configured to open and close the storage space and (ii) a panel assembly disposed at the door body. The panel assembly includes: a panel defining a front surface of the door and through which light is transmitted, a lighting device disposed at a rear side of the panel and configured to irradiate the light through the panel with a set color, an upper bracket supporting the panel from an upper side of the panel, and a lower bracket supporting the panel from a lower side of the panel. At least one of the upper bracket or the lower bracket includes a bracket protrusion that protrudes to face and cover an upper end or a lower end of the panel to thereby block the light from the lighting device.

A combination axial fan and LED lighting system configured to fit into the footprint of a standard ceiling tile. The system includes a housing container and an axial fan. The fan has a fan cavity including air diversion mechanism to direct air from the fan cavity toward the lighting and fan components. The invention includes an airflow surface to direct air existing the fan cavity along an LED light fixture.

A device includes a LED die having a peak emission at a blue or shorter wavelength, a LED die having a peak emission at a red, orange, yellow, green, or cyan wavelength, and a homogenous light conversion material positioned to receive light emitted from the LED dies. The light conversion material including: (i) a first phosphor compound having a peak emission at a green wavelength; (ii) a second phosphor compound having a peak emission at an orange wavelength; and (iii) a third phosphor compound having a peak emission at a red, orange, yellow, green, or cyan wavelength. The device is a packaged LED device and a relative concentration of the phosphor compounds and a relative luminosity of the LED dies are selected so the device emits white light satisfying a preference P1 and a fidelity F3 according to a TM-30 standard for color rendering.

The utility model discloses a light source packaging assembly, a light-emitting assembly thereof, a lighting device and an intelligent control system, the light source packaging assembly comprises a light mixing unit, and the light mixing unit packages a light source module according to a single-light-color and / or multi-light-color light source; the light source module comprises a first light-emitting unit which emits red and white light, and the red and white light is in a quadrilateral area in a CIE1931 color space; the second light emitting unit emits sky-blue light, and the sky-blue light is in a quadrilateral area on the CIE1931 color space; the third light emitting unit emits light green light, and the light green light is in a quadrilateral area on the CIE1931 color space; at least one of the first light-emitting unit, the second light-emitting unit and the third light-emitting unit emits light, and light emitted by the light-emitting units in the light source module is mixed to obtain emergent light. The utility model provides a novel three-primary-color light source which is freely matched and mixed, so that a dynamic high-quality white light illumination effect is realized, and the illumination device with a pattern display function is obtained.

The present technology relates to a lighting control device that enables effective use of a roof light disposed along the outer periphery of a roof window of the vehicle, a lighting control method, and a vehicle. A lighting control device includes a light control unit that controls a roof light disposed along the outer periphery of a roof window of a vehicle, on the basis of at least one of a state of the vehicle, a situation around the vehicle, a situation inside the vehicle, or an operation on the vehicle. The present technology can be applied to a vehicle that has a roof window, for example.

A lighting device (10) is provided. The lighting device (10) comprises: a light emitting element (11), and a translucent envelope (20) enclosing the light emitting element (11) and having a surface area at least three times bigger than the light emitting area of the light emitting element (11), wherein the envelope (20) is coated with a layer (22) of phosphor with a thickness of 0.05-1.0 mm and the layer (22) of phosphor is configured to block less than 30% of the visible light emitted by the light emitting element (11).

An illumination system is provided, having a handpiece with an illumination unit and a semiconductor lighting element which provides a radiation of essentially blue light in the wavelength between 400 nm and 500 nm, and a light guide unit connectable to the handpiece. The light guide unit includes a fiber-optic light guide rod, having a proximal end face and a distal end face, and a sleeve. The fiber-optic light guide rod is fixed in the sleeve by a first adhesive in a portion of the proximal end face. The light guide unit has a converter, for converting the radiation of a semiconductor lighting element in the operating state into a distal radiation of the fiber-optic light guide rod at its distal end face. The distal radiation in the operating state has essentially white and / or color-neutral light, or colored light, a wavelength in the visible spectral range.

The invention belongs to the technical field of agricultural light supplement, and particularly relates to an agricultural light supplement lamp system and method based on optical fiber transmission and fluorescence conversion. Efficient light distribution from a single light source to multiple application terminals is achieved, and the proportion of blue light to red light can be flexibly adjusted according to the photosynthesis requirements of crops. In addition, the optical shaping system arranged behind the application tail end ensures that the light can be accurately irradiated on the target crop, so that the light utilization rate and the energy conversion efficiency are greatly improved. Through the technical innovation, the wiring design is simplified, the complexity and the cost of the system are reduced, and the effectiveness of photosynthesis and the growth quality of crops are remarkably improved.

The invention provides a light generating system (1000) comprising m light generating devices (100) and a beam combiner body (500), wherein: the m light generating devices (100) are configured to generate device light (101), wherein the light generating devices (100) comprise one or more light sources selected from the group of lasers and superluminescent diodes, wherein m≥2; the beam combiner body (500) comprises a first face (501), wherein the first face (501) comprises n radially arranged grooves (510) radially extending from a central cavity (520), wherein n≥2, wherein the n radially arranged grooves (510) have groove lengths (L); at least one of the radially arranged grooves (510) comprises a first body (205), wherein the first body (205) comprises a luminescent body (210), wherein the luminescent body (210) comprises a luminescent material (200) configured to convert at least part of the device light (101) into luminescent material light (201); wherein the first body (205) has a first body height (Hl) smaller than the groove length (L); the m light generating devices (100) and the beam combiner body (500) are configured such that at least part of the device light (101) of the m light generating devices (100) propagates during operation of the m light generating devices (100) through the radially arranged grooves (510) in a direction of the central cavity (520), and at least one of the m light generating devices (100) is configured to irradiate the first body (205).

The invention provides a COB light source and a lamp, and relates to the technical field of LED packaging. The COB light source comprises a substrate, a fluorescent glue layer and an LED chip set. The fluorescent glue layer is arranged on the substrate, and the components of the fluorescent glue layer comprise silica gel, green fluorescent powder and red fluorescent powder; the LED chip set is arranged on the substrate and packaged in the fluorescent glue layer, and the LED chip set comprises a first short-wave blue light chip, a second short-wave blue light chip, a first long-wave blue light chip, a second long-wave blue light chip, a first red light chip, a second red light chip and a third red light chip. The relative radiation power of the spectrum of the COB light source in the blue light band is lower, and the spectrum curve of the blue light band is smoother, so that the harm of blue light can be effectively reduced; compared with the prior art, the composite material has higher saturation in the red light band, and has enough high relative radiation power in the red light band of 600-780nm, so that the effects of enhancing wound repair and promoting cell regeneration can be achieved.

The invention provides a light generating system (1000) comprising: (i) a first set (1100) comprising n1 first light generating devices (110), (ii) a first optical element (410), and (iii) a luminescent body (200), wherein:—the n1 first light generating devices (110) are configured to generate first device light (111); wherein the n1 first light generating devices (110) may be selected from the group of lasers and superluminescent diodes;—the first set (1100) comprises k1 first subsets (1115) of each at least one first light generating device (110) of the n1 first light generating devices (110), wherein n1≥3. especially n1≥5, and 2≤k1≤n1:—the luminescent body (200) is configured to: (i) convert part of the first device light (111) into luminescent material light (211), and (ii) transmit part of the first device light (111):—the n1 first light generating devices (110) and the first optical element (410) are configured to provide first beams (115) of first device light (111) to the luminescent body (200), wherein two or more first beams (115) of two or more first light generating devices (110) of the k1 first subsets (1115) have different first angles of incidence (α1) relative to a normal to the luminescent body (200); and—in an operational mode of the light generating system (1000) a first intensity of the first device light (111) of the k1 first subsets (1115) is dependent upon the first angles of incidence (α1).

A lighting device for a vehicle contains a light module with at least one light-emitting diode and a light-emitting surface lit by the at least one light-emitting diode, from which light is emitted when the lighting device is in use. The light module has an optical component containing a converter, which is between the at least one light-emitting diode and the light-emitting surface, or forms the light-emitting surface. The lighting device is designed such that the light from the at least one light-emitting diode passes through the optical component and strikes the light-emitting surface. The converter alters the wavelength spectrum of the light passing through the optical component.

A lighting device includes a light source including at least two types of light emitting elements with different color temperatures, an optical element including a plurality of liquid crystal cells and configured to control a distribution of light emitted from the light source, and a control unit configured to control the light source. The control unit controls the optical element to change from a first light distribution state to a second light distribution state different from the first light distribution state. The control unit controls the light source so that a color temperature of light emitted in a direction perpendicular to a surface of the optical element is the same in the first light distribution state and the second light distribution state.

According to an aspect, an illumination device includes: a light distribution controller having a light distribution control region in which a transmission region of light is changeable; a plurality of types of light sources each disposed at a position facing the light distribution controller; and a controller configured to control operation of the light distribution controller and the plurality of types of light sources. The light distribution controller includes a plurality of liquid crystal panels stacked in a facing direction of the light distribution controller and the light source.

A refrigerator includes a cabinet and a door. The door includes a door body in which an insulating material is filled and a panel assembly detachably mounted on the door body. The panel assembly includes a panel which is configured to define a front surface of the door and through which light is transmitted, a back cover configured to define a rear surface of the panel assembly, a lower bracket configured to define a bottom surface of the panel assembly, and a lighting device mounted on the lower bracket to emit light to the panel. A bracket opening through which the lighting device is accessible is defined in the lower bracket.

A refrigerator includes a cabinet, in which a storage space is defined, and a door configured to open and close the storage space. The door includes a door body and a panel assembly mounted in front of the door body. The panel assembly includes a lighting device configured to irradiate light, a panel which is configured to define a front surface of the door and through which light is transmitted, a light guide plate provided behind the panel to guide the light irradiated from the lighting device to the panel, and an upper bracket provided above the panel to define a top surface of the panel assembly. The light guide plate extends more upward than an upper end of the panel, and an extending upper end of the light guide plate is accommodated in the upper bracket.