38results about How to "Uniform outgoing light" patented technology

A high-efficiency LED provided with a surface micro-column array structure and based on diffraction effect has a structure below: N type GaN grows on a cushioning layer of a sapphire substrate. A GaN active layer grows on the N type GaN layer. A P type GaN layer grows on the active layer. A micro-column array is etched on the P type GaN layer, which can be periodically or aperiodiclaly arranged two-dimensional structure. A P type electrode and a P type bonding pad are laid on the P type GaN layer. An N type electrode and an N type bonding pad are arranged on the N type GaN layer. The present invention has the advantages that light diffusion effect is utilized and light is fully exported through the micro-column to improve lighting efficiency and ensure even light distribution on a light surface. Compared with LED adopting two-dimensional photonic crystal, the structure needs simple production technique and lower production cost. Compared with traditional LED suffering roughly processed surfaces, the structure brings much higher light emission efficiency.

A surface light source module based on a light emitting diode characterizes in including a light emitting diode and a light plate diffusing the light emitted from the diode to a main exit surface distributed with several extended light emitting leading structures on it projecting over the main exit surface and approximately the arc state, said arc is any kind of line, a line or a curve taking the projecting image point of the diode light source on the main exit surface as the approximate center. The main surface facing the liquid crystal layer in a LCD or the plane for illumination in an illuminator is the main exit surface.

The surface light source module based on light-emitting diodes belongs to the field of light-emitting diode packaging and application technology, and is characterized in that it includes light-emitting diodes and a light guide plate that diffuses the light emitted from the light-emitting diodes to a main exit surface, on which the main exit surface There are several light emitting guiding structures that protrude from the main emitting surface and extend in an approximate arc shape, and the arc is any kind of straight line or curve, which is based on the projection of the light emitting diode light source on the main emitting surface. The point is approximately central. The principal surface facing the liquid crystal layer in a liquid crystal display, or the plane used for illumination in an illuminating device are the main outgoing surfaces. The secondary packaging efficiency of the present invention reaches 80%, which is more than 30% higher than the highest level of current products; the ratio of the light intensity of the brightest point of the surface light source to the light intensity of the weakest point is 1.2, realizing uniform light output. It is used to manufacture a surface light source device with uniform light output, large light output area and high color rendering index.

The embodiment of the invention relates to a backlight module and a display device. The backlight module comprises a light guide plate, a first light source arranged along the first side edge of the light guide plate and multiple second light sources arranged along at least one of the two side edges, perpendicular to the first side edge, of the light guide plate, wherein the multiple second light sources have different color temperatures, the color temperatures of the second light sources located at different positions are determined according to the light absorbing characteristics of the light guide plate so as to compensate the lights with the colors corresponding to the color temperatures of the second light sources and absorbed by the light guide plate.

The invention relates to an LED (Light Emitting Diode) panel lamp, which comprises a lamp frame, a substrate, a plurality of blue-light LEDs, a light guide plate, a diffusion plate and a film doped with fluorescent powder. The light guide plate and the diffusion plate are embedded in the lamp frame. The substrate is arranged on the internal side surface of the lamp frame which faces to the side surface of the light guide plate. A plurality of cup troughs are abreast arranged on one side, which faces to the side surface of the light guide plate. of the substrate. One blue-light LED is installed in each cup trough. The blue-light LEDs are connected in series or in parallel. The film is attached onto the side surface, which faces to the blue-light LEDs, of the light guide plate. The light guide plate is provided with a light reflecting film. The light reflecting film is attached onto one surface of the light guide plate. The diffusion plate is arranged on the other surface, which is opposite to the light reflecting film, of the light guide plate. The LED panel lamp has the advantages that the emergent light is relatively uniform, the problem of glaring does not occur, the influence of a single damaged LED on the overall lighting effect is smaller, and the illuminating effect is better; since the blue-light LEDs are abreast arranged, the distribution density is lower and the heat dissipating effect is better; and since the blue-light LEDs are directly installed in the cup troughs, the production process is simple and the production cost is reduced.

The invention discloses a display device which comprises a backlight module and a display panel, wherein a Mini LED lamp panel in the backlight module comprises a driving substrate, a miniature light emitting diode, a first reflecting coating and a second reflecting coating. According to the invention, a circle of first reflecting coating is arranged in the area nearby the miniature light emitting diode, light emitted from the side surface of the Mini LED to one side of the driving substrate can be received, the light is reflected to the light emitting side of the Mini LED lamp panel again, so that the utilization efficiency of the emergent light of the Mini LED is improved. The second reflecting coating is arranged in the areas, except for the Mini LED and the first reflecting coating, of the driving substrate, and the incident light can be subjected to diffuse reflection, so that the light emitted by the Mini LED is fully mixed, and then the light emitted by the Mini LED lamp panel is relatively uniform.

The invention discloses a backlight module and a display device. The backlight module comprises a metal back plate, and a plastic frame arranged around the edges of the metal back plate, wherein an accommodating space is formed by the metal back plate and the plastic frame. The backlight module further comprises a lamp board, wherein the lamp board is positioned on one side of the metal back plate, and is arranged in the accommodating space; the surface of one side, facing the metal back plate, of the lamp board is provided with a first magnetic material layer; and the first magnetic material layer is adsorbed to the metal back plate. The metal back plate is generally made of an iron or iron alloy material, and the magnetic material has the property of attracting magnetic metal. When the lamp board is mounted in the accommodating space formed by the metal back plate and the plastic frame, the first magnetic material layer can be directly adsorbed onto the metal back plate. The metal back plate and an optical film of the backlight module are arranged in parallel, and the lamp board is closely attached to the metal back plate to ensure that the light mixing distances from light sources at all positions on the lamp board to the optical film are kept uniform, thereby improving light mixing uniformity of the light sources on the lamp board and making the emergent light of the backlight module more uniform.

The invention relates to an LED (Light Emitting Diode) illumination device comprising a light source substrate, a plurality of LED light sources, a light guide plate and a lampshade. The plurality of LED light sources are fixed on the light source substrate; the light guide plate is arranged inside the lampshade; a light-incident surface is formed at one end of the light guide plate and is arranged opposite to the LED light source; the light guide plate comprises two lateral surfaces both of which are reflection surfaces and respectively form a first curved surface and a second curved surface; and a plurality of projected or recessed dimming grains are arranged on at least one lateral surface of the light guide plate. Emergent lights of the LED light source entering from the light-incident surface are reflected and transmitted between two lateral surfaces of the light guide plate and are irradiated on the dimming grains to generate diffusion for light emergence; light beams emitting from the lateral surface of the light guide plate are irradiated on the inner surface of the lampshade and are finally emitted to outside through the lampshade. The invention can obtain even emergent lights through the light guide plate, improves the direct glaring effect of the LED light source and ensures that the LED illumination device has favorable irradiation angle.

A liquid resin solid component mixed with phenylene ester is coated at least one face of a transparent substrate; after the liquid resin solid component is hardened and set under ultraviolet irradiation, a diffusion film with a blue light filtering effect can be integrally combined on the surface of the transparent substrate; and a shielding role of preventing the transparent substrate from being physically damaged can be played, the phenylene ester in the diffusion film can generate blue light filtering effects on a passing light source, and under effects of the diffusion film, glaring can be effectively lessened to enable the passing light source to be uniform.

The embodiment of the invention provides an array substrate, a display panel and a display device and relates to the technical field of display. By means of the array substrate, the display panel and the display device, the color cast phenomenon happening to a display panel can be overcome to a certain extent, and the display effect of the display panel can be improved. The array substrate comprises multiple pixel units which are marked out by grid lines and data lines which are arranged in an intersecting and insulated mode, and each pixel unit comprises a first area and a second area which are adjacent to each other; each first area comprises two or more first strip-shaped electrodes which are arranged in a first direction, and a first etching seam is formed between every two adjacent first strip-shaped electrodes; each second area comprises two or more second strip-shaped electrodes which are arranged in a second direction, and a second etching seam is formed between every two adjacent second strip-shaped electrodes; the ratio between the width of each first etching seam and the width of the corresponding first strip-shaped electrode is not equal to that between the width of each second etching seam and the width of the corresponding second strip-shaped electrode. The display panel can be applied to a liquid crystal panel of ADS display mode.

The invention discloses a pouring and sealing type high-temperature-resistant LED explosion-proof lamp, and belongs to the technical field of LED lamps. The pouring and sealing type high-temperature-resistant LED explosion-proof lamp comprises a lamp body, wherein the lower side of the lamp body is provided with a lens; a substrate is fixed on the lamp body; a plurality of LED lamp heads are uniformly arranged on the substrate; a reflecting plate is arranged on the lower side of the substrate, and the reflecting plate is fixed on the lower surface of substrate through a fixed column; a sealingstructure is arranged at the contact position of the lamp body and the lens; a plurality of mounting holes are formed in the upper side wall of the lamp body; heat conduction rods are inserted into the plurality of mounting holes; the bottom ends of the heat conduction rods abut against the upper side wall of the substrate; the upper side of the lamp body is further provided with a cooling cover,so that rapid and effective heat dissipation can be achieved, the emitted light is more uniform, and the anti-glare effect can be effectively realized, and therefore the high irradiation effect can be achieved; and automatic power-on for illumination can be performed when people moves around the lamp at night, so that the electric energy loss can be effectively reduced, the intelligent degree isimproved, manual operation is not needed, and the failure rate of the LED lamp is effectively reduced.

The invention provides a light-equalizing radiating type photoelectric separated LED (Light Emitting Diode) pendant lamp with pendant chains and a mounting plate. The light-equalizing radiating type photoelectric separated LED pendant lamp is mainly used for solving the problems of the present pendant lamp that the pendant chain distribution is unreasonable, the equilibrium is poor, the reliability is low, the radiating property is inferior, the height and the angle cannot be adjusted, the light distribution in faculae formed by emergent light is uneven, the energy waste is easily caused, the pendant lamp cannot be used for a long time, a pendant lamp light source and a power supply are arranged in same positions on different sides of a pendant lamp shell, the light source and the power supply heat in a concentrated form and the faculae are nonadjustable. The light-equalizing radiating type photoelectric separated LED pendant lamp with the pendant chains and the mounting plate is connected with four pendant chains, is mounted in a mounting position through the mounting plate and further comprises a reflecting mirror, a reflecting cup and an improved radiating device, wherein two LED light sources are arranged.

The invention discloses a structure of a Si-substrate GaN-based light-emitting diode (LED) and a manufacturing method for the silicon-substrate GaN-based LED. The silicon-substrate GaN-based LED mainly comprises a Si substrate of which the surface is a non-(111) series crystal plane of Si, more than two (111) series crystal planes of the Si which are exposed on the non-(111) series crystal plane and form preset angles with the non-(111) series crystal plane, and a GaN-based LED extension structure which is grown on the (111) series crystal planes. Based on the advantages of high processing property, high electricity conduction performance and high heat conduction performance of the Si, the GaN-based LED extension structure is grown on a substrate plane with a certain angle by using the Si as the substrate, so that the GaN-based LED extension structure has a large light-emitting area; and interfaces are provided according to the different inclination angles of the substrate, so that the influence of the interfaces on the emergent light full-reflection effect of the GaN-based LED extension structure is weakened, the light-emitting efficiency of the LED can be improved, high white light uniformity can be obtained, and high emergent light quality can be obtained.

The invention provides a transparent LED display screen mask which comprises a plurality of mask units arranged in an array mode, each mask unit comprises a unit grid arranged on the periphery of an LED lamp bead in a covering mode and a lens arranged above the LED lamp bead in a covering mode, the lenses are connected with the unit grids, and the bottom ends of the unit grids are bonded with an LED circuit board. Due to the arrangement of the lens, emergent light can achieve the light condensation effect, the emergent light is more uniform, the picture display is clearer and brighter, the display effect of the display screen is improved, and the display screen can be comparable with a television picture; the arrangement of the lens can also enlarge a viewing angle range of people; the LEDdisplay screen mask is light and thin, can be bonded with the LED circuit board, and is simple and convenient to install; the display screen mask has the advantages of simple structure, simple mold manufacturing, easy injection molding, no need of large investment, realization of batch production, and low cost.

The packaging structure for luminous diode and fluorescent powder colloid is dropped on pre-shaped depression condenser and setting the luminous diode fixed on base sheet into the depression. At the same time of setting, the surplus of fluorescent powder colloid is extruded out of the expression and fluorescent powder colloid film wrapped on the luminous diode can be finished after the fluorescent powder colloid is form-solidified. The thickness and shape of this film are controlled by pre-shaped depression so uniform colour temperature can be obtained as designed.

The invention discloses an electrodeless lamp. The lamp comprises a lamp shade, a lamp tube, a fixing device and a light distribution cover, wherein one end of the lamp shade is provided with an opening, so that the lamp shade is provided with an accommodating cavity; the lamp tube is fixedly arranged in the accommodating cavity of the lamp shade through the fixing device; the light distribution cover is arranged at the opening of the lamp shade and seals the lamp shade, comprises a bottom surface and extends outwards from the periphery of the bottom surface to form a side surface; the bottom surface and the side surface are provided with arc ripples; the ripples on the bottom surface are sparser than the ripples on the side surface; and light emitted by the lamp tube is emergent to the light distribution cover and then refracted by the light distribution cover, and the emergent light can be well diffused by the arc ripples on the bottom surface and the side surface of the light distribution cover and is emergent towards a certain direction at a certain angle, so that the emergent light is more uniform, the efficiency of the emergent light is improved, and the lamp has a good illumination effect.

The invention provides a uniform light radiating type photoelectric separation LED (Light Emitting Diode) droplight with sling chains and a groove, which mainly solves the problems that the sling chains of the existing droplight are unreasonably distributed, the balance is poor, light intensity in light spots formed by emergent light are not uniformly distributed, energy is easily wasted, the heat dissipation performance is poor and cannot be balanced with weight, a light source of the droplight and a power supply are arranged in same positions on different sides of a housing of the droplight, heat is intensively radiated by the light source and the power supply, and the light spots cannot be adjusted. The uniform light radiating type photoelectric separation LED droplight with the sling chains and the groove comprises four sling chains, a reflecting mirror and a reflecting cup, wherein the reflecting mirror and the reflecting cup are positioned in a light cover of the droplight, a radiating device which comprises a negative temperature radiating part and a streamline radiating part is arranged on the back side of the housing of the droplight, two LED light sources are symmetrically arranged on the light source side of the housing of the droplight, and the groove is arranged in the middle of the radiating device.

The invention relates to a plane light source device, including at least a light guide board with at least an incident light surface, and at least a corresponding light source opposite to on one side of the incident light surface, and the light guide board includes a light-emitting surface next the incident light surface, and a bottom opposite to the light-emitting surface, where the bottom surface is set with scattering point array, which includes many scattering points with the same shape which are distributed at different angles with the incident light surface.

The invention is a light guide plate, comprising a light incident surface, a light outgoing surface adjacent to the light incident surface and a bottom surface opposite to the light outgoing surface, where the bottom surface comprises a plurality of arc grooves and the light outgoing surface also comprises a plurality of grooves.

A lamp, the lamp includes a lamp holder, a lamp holder plate, a first reflector, a second reflector and a light source, the lamp holder includes an open end, the lamp holder plate is sealed at the open end, the first A reflector is fixed on the lamp base plate, the light source is fixed on the first reflector, the second reflector is arranged opposite to the first reflector, and the second reflector is located on the light source On the light output path of the light source, all the light emitted by the light source is reflected by the second reflector to the reflective surface of the first reflector, and is completely reflected by the reflective surface of the first reflector. A light outlet of the reflector is projected out. According to the present invention, the lamp reflects all the light emitted by the light source through the second reflector, so that the light becomes uniform. Then it is reflected from the first reflector to finally obtain uniform outgoing light, so that the lamp has no glare and the light emitted is not dazzling.

One of the problems solved by one embodiment of the invention is to design an optical structure with a simple structure. According to the optical structure provided by the invention, the optical structure comprises a strip-shaped calibration part and a strip-shaped transmission part, wherein the strip-shaped calibration part is used for calibrating incident light into a first parallel light beam and then enabling the first parallel light beam to enter the strip-shaped transmission part; the strip-shaped transmission part is used for enabling an incident light beam to form a preset light type.The optical structure has the advantages that: the optical structure is simpler, and can be applied to various application scenes such as fog lamps or dipped headlights and the like. Further, a battery is provided. By the adoption of the protruding structure and the like, the energy utilization efficiency of the light source can be improved, and emergent light is more uniform.

The invention provides a light-emitting diode (LED) pendant lamp, and the LED pendant lamp mainly solves the problem that a power supply mechanism of an existing pendant lamp is unreasonable. The LED pendant lamp comprises a reflective mirror, a reflective cup and two LED light sources which are arranged at the light source side of a pendant lamp shell symmetrically. A heat radiating device is composed of evenly-distributed fins, and comprises a negative-temperature heat-radiating portion and a streamline heat-radiating portion, and a groove is arranged in the middle of the heat radiating device. An LED power supply comprises a circuit board, a power supply box body and a power supply box cap. The power supply of the LED pendant lamp is reasonable in arrangement of duty ratio, high in intensity, beneficial for processing, and low in cost.

The invention discloses a fluorescent ceramic and sapphire compound ceramic material and a preparation method thereof. The compound ceramic material comprises a fluorescent ceramic layer, a sapphire layer and a connecting layer, wherein the connecting layer is composed of non-continuous fluorescent particles obtained by dispersing glass and have components the same as that of the fluorescent ceramic layer. The connecting layer is used for connecting the fluorescent ceramic layer and the sapphire layer, and the layers are sintered at high temperature to obtain the compound ceramic material; theresponse wavelength of the fluorescent ceramic layer is 445 to 465nm; the connecting layer has a scattering effect on an excitation light source; the sapphire layer has high heat conductivity and hasa heat dissipation effect. According to the fluorescent ceramic and sapphire compound ceramic material, sapphire and fluorescent ceramic are used for constructing a compound structure, so that the heat conduction of the fluorescent ceramic is enhanced and a laser damage threshold value of the ceramic is improved; fluorescent powder has the effect of connecting the fluorescent ceramic and the sapphire, has a fluorescent property and is used for enhancing the luminescence; meanwhile, the scattering of the excitation light source is enhanced. The fluorescent ceramic and sapphire compound ceramicmaterial and the preparation method thereof have the advantages that a preparation technology is simple and the fluorescent ceramic and sapphire compound ceramic material is especially suitable for large-power and high-power-density laser illumination and display devices and other compact type devices.

The embodiment of the invention provides an array substrate, a display panel and a display device and relates to the technical field of display. By means of the array substrate, the display panel and the display device, the color cast phenomenon happening to a display panel can be overcome to a certain extent, and the display effect of the display panel can be improved. The array substrate comprises multiple pixel units which are marked out by grid lines and data lines which are arranged in an intersecting and insulated mode, and each pixel unit comprises a first area and a second area which are adjacent to each other; each first area comprises two or more first strip-shaped electrodes which are arranged in a first direction, and a first etching seam is formed between every two adjacent first strip-shaped electrodes; each second area comprises two or more second strip-shaped electrodes which are arranged in a second direction, and a second etching seam is formed between every two adjacent second strip-shaped electrodes; the ratio between the width of each first etching seam and the width of the corresponding first strip-shaped electrode is not equal to that between the width of each second etching seam and the width of the corresponding second strip-shaped electrode. The display panel can be applied to a liquid crystal panel of ADS display mode.

The invention provides a light-equalizing photoelectric separated type LED (Light Emitting Diode) pendant lamp with pendant chains and a mounting plate. The light-equalizing photoelectric separated type LED pendant lamp is mainly used for solving the problems of the present pendant lamp that the pendant chain distribution is unreasonable, the equilibrium is poor, the reliability is low, the height and the angle cannot be adjusted, the light intensity distribution in faculae formed by emergent light is uneven, the energy waste is easily caused, the pendant lamp cannot be used for a long time, a pendant lamp light source and a power supply are arranged in same positions on different sides of a pendant lamp shell, the light source and the power supply heat in a concentrated form and the faculae are nonadjustable. The light-equalizing photoelectric separated type LED pendant lamp with the pendant chains and the mounting plate is connected with the four pendant chains, is mounted in a mounting position through the mounting plate and further comprises a reflecting mirror and a reflecting cup, wherein two LED light sources are arranged.

The invention discloses a backlight module and a display device, comprising: a metal backboard, a plastic frame arranged around the edge of the metal backboard, and the metal backboard and the plastic frame form an accommodation space; the backlight module also includes a lamp board; a lamp board Located on one side of the metal backboard and in the accommodating space, the surface of the light board facing the metal backboard is provided with a first magnetic material layer; the first magnetic material layer adsorbs the metal backboard. The metal backboard is generally made of iron or iron alloy materials. The magnetic material has the property of attracting magnetic metals. When the light board is installed in the accommodation space formed by the metal backboard and the plastic frame, the first magnetic material layer can be directly adsorbed to the metal. back panel. The metal back plate and the optical film of the backlight module will be set in parallel, and the light board is closely attached to the metal back plate to ensure that the light mixing distance from the light source at each position on the light board to the optical film is consistent, thereby improving the light board. The light mixing uniformity of the upper light source makes the outgoing light of the backlight module more uniform.

The invention provides a light-equalizing photoelectric separated type LED (Light Emitting Diode) pendant lamp with pendant chains and a mounting plate. The light-equalizing photoelectric separated type LED pendant lamp is mainly used for solving the problems of the present pendant lamp that the pendant chain distribution is unreasonable, the equilibrium is poor, the reliability is low, the height and the angle cannot be adjusted, the light intensity distribution in faculae formed by emergent light is uneven, the energy waste is easily caused, the pendant lamp cannot be used for a long time, a pendant lamp light source and a power supply are arranged in same positions on different sides of a pendant lamp shell, the light source and the power supply heat in a concentrated form and the faculae are nonadjustable. The light-equalizing photoelectric separated type LED pendant lamp with the pendant chains and the mounting plate is connected with the four pendant chains, is mounted in a mounting position through the mounting plate and further comprises a reflecting mirror and a reflecting cup, wherein two LED light sources are arranged.