45results about How to "Improve light efficiency" patented technology

A liquid crystal display is provided which is capable of reducing the occurrence of defective display due to variations in the initial alignment direction of a liquid crystal alignment control film in a liquid crystal display of an IPS scheme, realizing the stable liquid crystal alignment, providing excellent mass productivity, and having high image quality with a higher contrast ratio. The liquid crystal display has a liquid crystal layer disposed between a pair of substrates, at least one of the substrates being transparent, and an alignment control film formed between the liquid crystal layer and the substrate. At least one of the alignment control films comprises photoreactive polyimide and/or polyamic acid provided with an alignment control ability by irradiation of substantially linearly polarized light.

An OLED device and a manufacturing method thereof, which can secure the life span and reliability and can improve light efficiency, is disclosed.

To this end, the device and method disposes organic light emission diode elements on a substrate. On the substrate with the organic light emission diode elements, a sealant layer having a micro-lens portion is disposed, thereby shielding the organic light emission diode elements from external moisture and/or oxygen.

A liquid crystal display includes a first substrate, and a first optical conversion layer disposed on the first substrate. The first optical conversion layer includes a reflecting unit reflecting incident light, and a polarizing unit. The polarizing unit transmits light which oscillates in a first direction among the incident light, and reflects light which oscillates in a second direction different from the first direction among the incident light. The reflecting unit and the polarizing unit of the first optical conversion layer may be disposed in at least one pixel area.

A solid-state light emitting diode (LED) lighting device is disclosed for use in general lighting. In the preferred embodiment, the LED lighting device comprises a heat sink, a light dome, a light divider, a light distribution plate, and an output globe. A plurality of diffusively reflective compartments are formed inside the output globe for effective light scrambling. The light distribution plate, together with a shaped heat sink and a substantially transparent matching output globe, further enhances omni-directional lighting distribution and luminous efficacy. In some preferred embodiments, color mixing or remote wavelength conversion luminescent phosphor particles are utilized for improved color reproduction. The LED lighting device has high luminous efficacy, indirect glare-free surface illumination, omni-directional distribution, and good color reproduction.

Disclosed is an optical device for a display having a tapered waveguide and a method of fabricating such devices. In order to reduce light absorption inside the waveguide, a light-absorbing material is coated on the front surface only of the optical device Alternatively, a space adjacent to the waveguide is coated with a material having a refraction index different from the waveguide, preferably, lower than that of the waveguide and then filled with a light-absorbing material. In addition, a large- and uniform-sized light-absorbing material may be filled in the space. The optical device has an improved light efficiency, and thus exhibits an excellent luminance, as compared with the conventional ones, when using an identical light source. Furthermore, the fabrication method can produce such optical devices in a simplified manner, thus improving production efficiency.

The packaging structure includes a frame, at least a luminescence subassembly and a lens. The frame possesses an opening, a medial surface and a base. Being located inside the frame, the luminescence subassembly is in use for sending out light beam. Being positioned above the luminescence subassembly, the lens possesses a surface and at least a groove. The said surface is back on to the luminescence subassembly; and being located on the surface, the groove faces to the luminescence subassembly.

A method for optically examining the interior of turbid media is provided. The method comprises the steps: providing broad-band light (2); spatially separating a plurality of wavelength bands (2a, 2b, . . . , 2n) contained in the broad-band light; separately modulating the plurality of wavelength bands (2a, 2b, . . . , 2n); recombining the plurality of modulated wavelength bands to a beam (11) of spectrally encoded broad-band light; illuminating a turbid medium (8) with the beam (11) of spectrally encoded broad-band light; detecting light emanating from the turbid medium (8) with a detector (9) and demodulating the detected light with a demodulator (10) to provide spectroscopic information.

The present invention relates to a quantum dot composite and a photoelectric device comprising the same, and more particularly, to a quantum dot composite having excellent optical characteristics, thereby improving the light efficiency of a photoelectric device, and a photoelectric device comprising the same. To this end, the present invention provides a quantum dot composite and a photoelectric device comprising the same, the quantum dot composite comprising: a matrix layer; a plurality of quantum dots dispersed inside the matrix layer; and a plurality of scattering particles dispersed inside the matrix layer in a manner of being disposed between the plurality of quantum dots, wherein the scattering particles have a hollow formed therein, thereby showing multiple refractive indices.

The application relates to a light scattering type agricultural film as well as a manufacturing method and application thereof, and belongs to the technical field of agriculture. The agricultural film provided by the application can diffuse a spectrum from a point light source and a line light source to an area light source, so that the luminous efficacy is greatly improved, the uniform light guiding on agricultural crops is implemented, and the defects that the end part leaf surface is burned by high temperature and the possibility of insufficient illumination of low end leaf surface is reduced are prevented. The agricultural film provided by the application has excellent mechanical property, weather resistance, anti-drop property, fog dissipation property, heat preservation property and the like.

A direct view display provides a light modulating panel and a backlight including first and second sets of spectral emitters. Several modes of operation may be provided including an advanced 2D mode, and an enhanced color gamut mode employing simultaneous illumination of the first and second set of spectral emitters. Another embodiment may be an optical structure for a multi-functional LCD display with wide color gamut and high stereo contrast. The optical structure may also be used to produce more saturated colors for a wider display color gamut and also may be used to produce a brighter backlight structure through light recycling of the wider bandwidth light back into the optical structure.

The present application provides a new nitrogen-containing heterocyclic compound and an organic electronic device using the same.

The invention relates to a bidirectional visual array baseplate, a color film baseplate, a liquid crystal display device and a manufacturing method. The bidirectional visual liquid crystal display device comprises an array baseplate and a color film baseplate, wherein a plurality of rows of wedgy base films which are sequentially ranged are formed on the array baseplate, and pixel structures supplying two display pictures in two directions are respectively formed on two sloping surfaces of the wedgy base films; a plurality of rows of wedgy base films which are sequentially ranged are formed on the color film baseplate, and color film structures corresponding to the pixel structures of the array baseplate are respectively formed on the two sloping surfaces of the wedgy base films; the wedgy base films on the array baseplate and the wedgy base films on the color film baseplate are combined into a case in a transplacement correspondence mode, and two electric fields in a visual direction are formed between the pixel structures on the array baseplate and the color film structures on the color film baseplate. The invention has higher optical efficiency and low cost and obviously improves image resolution and picture quality.

The invention discloses a reflective liquid crystal panel, which comprises a light-tight substrate, a patterned electrode layer, a first alignment film, a liquid crystal layer, a second alignment film, a refractive index matching euphotic electrode layer and a euphotic substrate. The patterned electrode layer is arranged on the light-tight substrate. The first alignment film is arranged on the patterned electrode layer. The liquid crystal layer is arranged on the first alignment film. The second alignment film is arranged on the liquid crystal layer. The refractive index matching euphotic electrode layer is arranged on the second alignment film. The euphotic substrate is arranged on the refractive index matching euphotic electrode layer. The refractive indexes of the first alignment film, the second alignment film, the refractive index matching euphotic electrode layer and the euphotic substrate are matched with each other to promote the proportion of the light reflected by the patterned electrode layer, wherein the light is incident from the euphotic substrate. The invention also discloses the refractive index matching euphotic electrode layer.

The invention provides a high-spectral-resolution integral view field unit system based on a variable-diameter core fiber, and relates to the application field of astronomy. In a high-spectral-resolution integral view field unit system device based on the variable-diameter core fiber, the big-diameter end of the variable-diameter core fiber can receive more starlight in a transmission process, andthe loss of energy is small, thereby avoiding the loss of signals. A pseudo-slit formed at the small-diameter end is narrow, an image spot formed on a CCD is small, and the spectrum resolution is high. The method can avoid the diffraction caused by employing an additional slit for improving the resolution. At the aspect of fiber fixing, a micropore positioning method is employed, so the processing efficiency is high, and the structure is simple. A slit end employs a V-shaped groove for arrangement, so the tolerance is small, the spectrum efficiency is high and the consistency is good.

The invention discloses an automotive LED headlamp which comprises a lamp shell, a first lens and a second lens. A focusing ring is arranged on the lamp shell and fixedly provided with the first lens. The second lens is fixed to a support, and the support is arranged at the bottom of the lamp shell through supporting columns. A circuit board is fixed to the bottom of the lamp shell, a light shielding board and two sets of LED unit bodies are welded to the front face of the circuit board, and a heat conduction red copper block is welded to the back face of the circuit board. A sealing cavity is formed between the red copper block and the tail of the lamp shell and connected with a cooling device, and the light shielding board is located between the two LED unit bodies. A double lens assembly is formed by the first lens and the second lens for direct irradiation and light beam convergence, the horizontally-arranged light shielding board is matched for imaging, so that light convergence is good, good light refraction lines are obtained, and light efficiency is further improved; and meanwhile distance light and passing light are combined. Due to the red copper block heat conduction structure, heat resistance of LED chips is lowered, and the light efficiency is improved.

The invention discloses a RBW mixed color plant growth LED lamp. The LED lamp is formed by a rectangular LED unit or a triangular LED unit. The rectangular LED unit is formed by four lamp beads. The four lamp beads are respectively on four vertexes of the rectangular LED unit. The triangular LED unit is formed by three lamp beads. The three lamp beads are respectively on three vertexes of the triangular LED unit. The LED units are arranged tightly, and lamp beads are shared between adjacent units. The plant illuminating LED lamp greatly improves light mixing uniformity and working surface lighting effect, and realizes rectangular grading of specific spectrum. The LED lamp is aimed at open-air farmland, agricultural greenhouses, plant factories, and other plant growing places, and solves a problem of insufficient sunlight illuminance and has a function of supplementing light at night, and improves light quality needed by plant growth.

The invention relates to a light emitting diode (LED) shadowless lamp. The lamp comprises a lamp disc, a diffusion plate and LED light sources, wherein an opening of the lamp disc is sealed by the diffusion plate; and the diffusion plate 2 is positioned at a position which is one or two times the longitudinal distance of two adjacent LED light sources (3) away from the adjacent LED light sources (3), so that light rays emitted by the LED light sources are crossed and emitted, the adjacent LED light sources cannot form a shadow on the diffusion plate, and the lamp has the advantages that: the emitted light rays are uniform, LED light source particles cannot be seen during work, and a shadowless effect is achieved.

The present invention discloses a multispectral microscopic imaging system and a microscope. The multispectral microscopic imaging system comprises an amplifying device, a spatial mask, a double-lens 4f system, an optical grating and an acquisition device; the amplifying device is used for amplifying light which is emitted by a sample sheet to be measured due to excitation; a distance between the amplifying device and the sample sheet to be measured is not greater than a predetermined distance; the spatial mask is arranged at one side of the amplifying device; a distance between the spatial mask and the amplifying device is properly set so that all the information of light that passes through the amplifying device can be irradiated on the spatial mask; the double-lens 4f system is arranged at one side of the spatial mask; a distance between the double-lens 4f system and the spatial mask is the distance of one focal length; the optical grating is arranged on the Fourier surface of the double-lens 4f system; and the acquisition device is arrange at one side of the double-lens 4f system and is used for acquiring spectral information. With the multispectral microscopic imaging system and the microscope of the present invention adopted, the rate of multi-spectral microscopic imaging can be obviously improved, light efficiency can be also effectively improved, and the quality of shot pictures can be obviously improved.

An image sensor includes a substrate, a plurality of light sensitive pixels, a first plurality of color filters, a plurality of reflective sidewalls, and a second plurality of color filters. The light sensitive pixels are formed on said substrate. The first plurality of color filters is disposed over a first group of the light sensitive pixels. The reflective sidewalls are formed on each side of each of the first plurality of color filters. The second plurality of color filters are disposed over a second group of light sensitive pixels and each color filter of the second plurality of color filters is separated from each adjacent filter of said first plurality of color filters by one of the reflective sidewalls. In a particular embodiment an etch-resistant layer is disposed over the first plurality of color filters and the second group of light sensitive pixels.

A light source assembly includes a base substrate, a resin layer disposed on the base substrate, and exposing a portion of the base substrate, and a first light source disposed on the portion of the base substrate which is exposed by the resin layer. The first light source has a hexahedron shape. The first light source has a face in parallel with the base substrate and having a height smaller than length or width of the face.

The invention relates to a zooming projection lens for a projection machine. The zooming projection lens comprises a first lens set, a second lens set and a third lens set, which are sequentially arranged from an object side to an image side; the first lens set, the second lens and the third lens set are respectively of negative refractive index, positive refractive index and positive refractive index; the first lens set comprises an aspherical lens; and the third lens set comprises an aspherical lens and an aperture diaphragm. According to the zooming projection lens for the protection machine provided by the invention, the relative aperture of the zooming projection lens is reduced, and the relative aperture of the zooming projection lens at the wide angle side is less than 2.1, on the other hand, the diameter of the aperture diaphragm is increased, so that the luminous efficiency of the projection machine is improved, and moreover, the aspherical lens is utilized, so that the lens aberration due to the widening of the aperture diaphragm is reduced.

The invention discloses an LED lamp and an LED light source module based on chip scale package, and belongs to the technical field of photoelectricity. The LED light source module based on chip scale package comprises a substrate. A square lamp bead area is arranged in the middle of the substrate. A plurality of lamp beads arranged in a matrix manner are arranged in the lamp bead area. A drive unit is arranged around the lamp bead area. In the lamp beads in the same line, the initial arrangement positions of the lamp beads in the odd columns offset leftwards by 1/8 to 1/5 compared with the initial arrangement positions of the lamp beads in the even columns. According to the LED light source module based on chip scale package, the square lamp bead area is arranged in the middle of the substrate, the multiple lamp beads are arranged in the lamp bead area in the specific matrix manner, and therefore the light efficiency can be improved, and the production cost can be reduced. The LED lamp and the LED light source module have the beneficial effects of saving materials and being low in cost.

The invention provides a light distribution lens and an LED lamp with the light distribution lens. The light distribution lens comprises a light transmission area, and a light distribution area which is arranged around a central axis of the light transmission area; the light distribution area is equipped with a distributed light incoming surface and a distributed light outgoing surface which are oppositely arranged, wherein the distributed light incoming surface is a plane, comprising a plurality of light incoming rings which are sequentially embedded and distributed on the distributed light incoming surface; the light incoming rings are annular and arranged at intervals; each light incoming ring comprises a plurality of spherical convex surfaces which are sequentially uniformly distributed about the central axis; the spherical convex surfaces of each light incoming ring have the same quantity; the spherical convex surfaces on the same light incoming ring have the same radius. According to the light distribution lens and the LED lamp with the light distribution lens, the plurality of spherical convex surfaces are arranged on the distributed light incoming surfaces of the light distribution lens; a plurality of LED signal lamps transmit light through the plurality of spherical convex surfaces, so that light spots of the plurality of LED signal lamps can be diffused, and as a result, the coverage range of light sources of the LED signal lamps is expanded, the lighting efficiency is increased, and people can conveniently recognize by eyes.

A channel structure of a flat fluorescent lamp is disclosed. The channel structure of the flat fluorescent lamp is configured such that the lamp is suitable for being used as a backlight unit for flat displays, such as LCDs, or as a widerange light source to evenly illuminate wide flat surfaces, such as wide rectangular surfaces. In the channel structure of the flat fluorescent lamp, a sealed discharge space having a continuous serpentine shape and being partitioned into a plurality of communicating discharge channels by a plurality of partition walls is defined, with one or more electrodes provided in the discharge space. The discharge channels have different widths which are reduced in a direction away from a hot electrode.

The invention discloses an LED lighting reflector capable of improving lighting efficiency, which comprises a main casing, an LED light tube is arranged on the lower surface of the main casing, and a slide rail is arranged above the main casing, and the slide rail The inside of the roller is provided with a roller, and the inner side of the roller is provided with a magnet, the magnet is located between the roller and the bearing, and the bearing is connected to the fixing frame, and the fixing frame is welded on the lower surface of the first connecting plate, and the first One end of the connection board is connected with the second connection board, and the second connection board is provided with a reflective sheet. In the LED light reflector that can improve the lighting efficiency, the slide rail is connected to the first connecting plate through rollers. When a larger illumination range is required, the rollers can be moved so that the second connecting plate is far away from the LED lamp tube. When the light range is within a certain range, the second connecting plate can be placed close to the LED light tube, and the inside of the roller is provided with a magnet, which is to ensure the stability of the connection between the roller and the slide rail and prevent the second connecting plate from falling.

An optical pickup device is equipped with a diffraction element that includes a transparent substrate. At least one surface of the transparent substrate is provided with a first region and a second region that encloses the first region. The surface is provided with a plurality of types of diffraction areas each of which generates predetermined diffracted light from only a light beam having a specific wavelength and permits other light beams having other wavelengths to pass through without diffraction. The first region is provided with each of the plurality of types of diffraction areas, while the second region is provided with only a diffraction area that generates the predetermined diffracted light from only a light beam having the maximum incident diameter among the plurality of types of diffraction areas.

The present invention provides a novel compound that is capable of largely improving a life span, efficiency, electrochemical stability and thermal stability of an organic light emitting device, and an organic light emitting device in which the compound is included in an organic compound layer.

The invention belongs to the field of life appliances, and particularly relates to a multifunctional clothes hanger which comprises a plurality of radial clothes hanging cross rods and a plurality ofconcentric annular drying pipes. The clothes hanging cross rods are fixedly connected with the annular drying pipes, a plurality of light intensity sensors are circumferentially and uniformly distributed on the outermost annular drying pipes, swivel bearings controlled by a motor are arranged at collected ends of the clothes hanging cross rods, and the light intensity sensors are connected with the motor. According to the multifunctional clothes hanger, the light intensity sensors monitor peripheral illumination conditions in real time by 360 degrees, the angle of the clothes hanger can be adjusted according to illumination strength, the illumination conditions are sufficiently used, and illumination efficiency is improved. Besides, clothes are dried by the aid of natural wind, energy is saved, environments are protected, a wind speed sensor, a temperature sensor and a humidity sensor perform real-time monitoring, application environments under different conditions are met, and clothesdrying efficiency is further ensured.

The invention provides a photocatalyst air purification module comprising a light source and photocatalyst bearing carriers which are provided with photocatalyst layers. The photocatalyst air purification module is characterized in that the photocatalyst bearing carriers are arranged in a layered mode, spaces among layers are parallel, the photocatalyst bearing carriers among layers are in crossed arrangement; and the light source irradiates the photocatalyst bearing carriers. The invention also provides an air purifier formed by the photocatalyst air purification moudle. The photocatalyst air purification moudle provided by the invention has the advantages of good light illumination efficiency and good air purification effect.

The present invention provides a color conversion layer, a manufacturing method of the color conversion layer, and a display panel. The color conversion layer is used in a display panel having a direct surface light source. The color conversion layer includes a quantum dot film and a functional film. The functional film is arranged at one side of the quantum dot film facing the direct surface light source. A light wave emitted by the direct surface light source is transmitted through the functional film into the quantum dot film. A light wave excited by the quantum dot film is reflected into the quantum dot film through the functional film.