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

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 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 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 is a guide device, which is annular structure; it includes a top surface, a bottom surface relative to the top surface, an inner side surface and an external surface correspondent to the internal one. Parts of the external surface or the whole surface are the light incidence surface; the internal side surface is the emergent face.

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 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 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 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 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.