17results about How to "Improve light mixing effect" patented technology

The invention relates to the technical field of lamps, in particular to a down lamp reflector system and an installation method thereof.The down lamp comprises a light source, a reflection cup and a lampshade, one side of the reflection cup is detachably connected with the light source through a first installation part, and the other side of the reflection cup is detachably connected with the lampshade through a second installation part; a lens is further installed on one side of the reflection cup through a second installation piece, a plurality of first protrusions are distributed on the inner side of the reflection cup, and a plurality of second protrusions are distributed on the side, close to the reflection cup, of the lens. According to the down lamp, the situation that dazzling occurs or the light emitting rate is low during irradiation of the down lamp can be effectively reduced, and the irradiation effect of the reflection cup is improved.

The invention belongs to the technical field of light emitting, and particularly relates to a side-in type backlight module which comprises a circuit substrate, lamp panels, a light emitting chip, a light uniformizing piece and a light uniformizing unit, the lamp panels are arranged on one side of the circuit substrate and are perpendicular to the circuit substrate, a plurality of grids are defined by the multiple lamp panels on the surface of the circuit substrate, and the light emitting chip is arranged on the light uniformizing piece. One surface of the circuit substrate close to the lamp panel is coated with a reflecting layer; the light-emitting chips are arranged on the surface of the lamp panel, at least one light-emitting chip is arranged in each grid, and the circuit substrate and the light-emitting chips are electrically connected through the lamp panel; the grids are wrapped and clamped by the dodging sheet and the circuit substrate, a plurality of dodging units are arranged on the side, close to the circuit substrate, of the dodging sheet, the dodging units and the grids are embedded into the grids in a one-to-one correspondence mode, and the dodging sheet is positioned. The backlight module has the effect that positioning between the dodging sheet and the backlight source is more stable and accurate.

The invention discloses an outdoor high-hung display screen lens which comprises a support, a lens assembly, a light guide column, a supporting piece and a spherical surface, the light guide column in the lens assembly is embedded in a through hole formed in the support, the supporting piece is arranged at one end of the light guide column, and the spherical surface is fixedly connected to the supporting piece. The support is high in positioning precision and small in position deviation with the light source, the overall quality of a product is effectively improved, meanwhile, the first-stage light guide face arranged on the lens assembly transmits light of the received light source to the second-stage light guide face and the spherical face through the refraction and reflection principle, the second-stage light guide face conducts light mixing effect processing on the received light and then converges the light to the light emitting spherical face, and therefore the light emitting efficiency is improved. The whole support is designed to be black, stray light released by a light source is absorbed and shielded, light mixed and converged to the light emitting spherical surface is uniform in color and free of stray light, and meanwhile the light guide effect and the three-primary-color light mixing effect are effectively improved through the first-stage light guide face and the second-stage light guide face.

The embodiment of the present application provides a display panel and a display device, wherein the display panel has a display area and a non-display area, and the display panel includes: a substrate; an isolation functional layer, which is arranged on one side of the substrate and located in the display area and the non-display area, and the isolation functional layer includes a plurality of isolation functional structures, and an isolation opening located in the display area is opened on the isolation functional layer; a light-emitting layer, including a light-emitting unit located in each isolation opening; a first encapsulation layer, including a first encapsulation portion located on the side of each light-emitting unit away from the substrate, and the first encapsulation portion extends from the isolation opening to the side of the isolation functional layer away from the substrate and covers part of the isolation functional layer; wherein at least one of the plurality of isolation functional structures located in the non-display area is located outside the orthographic projection of the first encapsulation layer on the substrate in its orthographic projection on the substrate. The present application can reduce the complexity of the first encapsulation layer, improve the yield of the display panel, and enhance the process performance of the display panel.

The utility model provides a multi-primary-color powder-free LED color mixing primary lens. The multi-primary-color powder-free LED color mixing primary lens comprises a lens body and a plurality of light sources with different wavelengths. Wherein the lens main body is hemispherical, and the surface of the lens main body is covered with convex structures; the light source is arranged in the bottom plane of the lens body and emits light in the spherical surface direction of the lens body. The multi-primary-color powder-free LED color mixing primary lens provided by the utility model has a good light mixing effect, and the luminous efficiency of a light source can be well exerted.

The present invention relates to a method for preparing a large-angle light-emitting light source, a surface light source module and a light-emitting light source, wherein the large-angle light-emitting light source comprises an LED chip, the LED chip is a flip-chip structure, the LED chip comprises a P-GaN layer, a light-emitting layer, an N-GaN layer and a substrate arranged in sequence from bottom to top, and a lower reflection layer is arranged on the bottom surface of the LED chip, a blue light re-excitation layer is arranged on the top surface and the side surface of the LED chip, an upper reflection layer is arranged on the top surface of the blue light re-excitation layer, the four sides of the blue light re-excitation layer are full light-emitting areas, and the top surface of the upper reflection layer is a full reflection or partial reflection area. The advantages of the present invention are: in the present invention, the reflection layer is directly arranged on the top and bottom of the flip-chip LED chip, the light emitted by the LED chip is reflected by the upper reflection layer and the lower reflection layer, so that the light is emitted from the four sides of the LED chip, and large-angle light emission is achieved; in addition, since the large-angle light-emitting light source of the present invention is a separate monomer, rather than making the reflection layer on the substrate as a whole, it can be applied to different substrates.

The utility model relates to the technical field of atmosphere lamps, in particular to an interior surface light source atmosphere lamp with a light mixing structure. A light condensing member; and a light strip; wherein the light gathering pieces are located between the panel and the lamp strips, the lamp strips are evenly distributed, the light emitting sides of the lamp strips correspond to the light gathering pieces, and light emitted by the lamp strips penetrates through the panel after being mixed through the light gathering pieces. Light rays emitted by the lamp strip firstly pass through the light gathering piece, the light rays are firstly reflected for multiple times in the light gathering piece so as to increase light mixing paths, then light mixing can be more sufficient, and the problems of dispersion and color spots of light emitted from the panel are solved. Due to the fact that the position and the space for arranging the panel are determined, the corresponding light condensation piece can be designed according to size data, due to the fact that the panel and the lamp strip are located on the two sides of the light condensation piece respectively, and the distance between the panel and the lamp strip is mainly determined by the controllable thickness of the light condensation piece, the arrangement space of the atmosphere lamp is relatively controllable, and adaptability is better.

The utility model provides a light mixing ceiling lamp. The light mixing ceiling lamp comprises a lamp holder, a plurality of light guide plates and a plurality of lamp strips. A light mixing face ring is arranged on one side of the lamp holder, and at least two installation positions are sequentially arranged on the inner ring wall of the light mixing face ring from the end close to the lamp holder to the end away from the lamp holder. The light guide plates are correspondingly arranged on the mounting positions one by one, the lamp strips correspondingly surround the peripheries of the light guide plates one by one, and the light-emitting surfaces of the lamp strips are opposite to the ends of the peripheries of the corresponding light guide plates; the light rays are uniformly dispersed in the inner ring of the whole light mixing surface ring through the guiding effect of the light guide plates, the light rays projected by the light guide plates close to the lamp holder penetrate through the light guide plates far away from the lamp holder layer by layer and are mixed with the light rays projected by the light guide plates far away from the lamp holder, and finally light with different brightness, saturation or colors is formed.

The utility model relates to the technical field of lighting equipment, and provides a light mixing lens assembly, which comprises a mounting cylinder, a light guide plate and a light source, the first lens and the second lens are arranged in the mounting cylinder and distributed in the axial direction of the mounting cylinder, and the second lens is located between the first lens and the light outlet; wherein the first lens is a convex lens, and a plurality of first microstructures are arranged on the incident light surface or the emergent light surface of the first lens to form a first microstructure surface which is used for carrying out primary light mixing on incident light; and a plurality of second microstructures are arranged on the light-in surface or the light-out surface of the second lens to form a second microstructure surface which is used for carrying out secondary light mixing on the incident light. According to the utility model, the light rays emitted by the light source are mixed through the first lens and converged at the same time, and then the converged light rays are subjected to secondary light mixing through the second lens, so that the color mixing uniformity of emergent light spots is improved, and meanwhile, the emergent light spots are prevented from becoming larger due to the influence of a microstructure surface.

The light-emitting device provided by the present invention includes a first light source, a second light source, a dichroic mirror, a wavelength conversion device, a first optical path adjustment device or a second optical path adjustment device, and a first scattering optical system. In the present invention, the light mixing effect of the emitted light can be improved by using the first scattering optical system. The color temperature of the emitted light of the light-emitting device can be freely adjusted by adjusting the power of the first light source and the second light source separately. A laser that can emit light of different main wavelengths can also be used in the second light source to improve the color rendering index of the emitted light of the light-emitting device. The light emitted by the first light source in the present invention is all used to excite the wavelength conversion device. Compared with the prior art solution, the light-emitting device provided in the present invention can achieve a higher luminous flux output without increasing the optical extension. If a polarization selection element is used in the first light source, the luminous flux output of the light-emitting device can be further improved.

The application discloses a light-emitting substrate, a backlight module and a display device, and belongs to the technical field of display. The light-emitting substrate provided by the application comprises a back plate, a driving circuit layer and a plurality of light-emitting units. The light-emitting unit comprises a reflecting layer, a paving layer and a light-emitting chip. Since the light-emitting surface of the light-emitting chip faces the reflecting layer, the light emitted by the light-emitting chip is first transmitted to one side of the back plate, and then is reflected by the reflecting layer arranged on the inner wall of the counterbore on the back plate, so that the path of the light emitted by the light-emitting chip is prolonged. In this way, after the light-emitting substrate is integrated in the backlight module, the distance between the light-emitting substrate and the diffusion plate in the backlight module does not need to be increased, the backlight module can have a better light mixing effect, and the overall thickness of the backlight module is relatively low.

The present application relates to an RGBWW single-bowl cup LED lamp bead and LED. The RGBWW single-bowl cup LED lamp bead includes a single-bowl cup bracket, a first chip, a second chip, a third chip, a fourth chip and a fifth chip. The first chip, the second chip and the third chip respectively realize the emission of red, green and blue colors based on the different light wavelengths of the chips themselves; the surface of the fourth chip is provided with a first phosphor coating, and the surface of the fifth chip is provided with a second phosphor coating. The fourth chip and the fifth chip are based on the blue light of the chip itself to stimulate the phosphor to emit white light; the first chip, the second chip, the third chip, the fourth chip and the fifth chip are all arranged on the single-bowl cup bracket. The present application arranges five chips on the same single-bowl cup bracket. When the chips are activated to emit light at the same time, the light-emitting apertures of all the chips are complete circles, the five colors have a good light mixing effect, and no polarization occurs.

The present invention is applicable to the technical field of lamps and provides a scale armor structure, a reflective cup and a lens. The scale armor structure includes a curved surface and a plurality of connection points randomly arranged on the curved surface. Any one of the connection points is used as a reference point, and the connection points adjacent to the reference point are connected to the reference point to form grid lines. A plurality of grid lines and the curved surface constitute a grid curved surface. The scale armor curved surface enclosed by the plurality of grid lines is the minimum unit constituting the grid curved surface. The number of connection points connected to the reference point is limited to a range of 3-10, so that each scale armor curved surface can be ensured to have a polygonal configuration different from that of a traditional regular scale armor structure. The shape and position of a light spot formed after the light is reflected by the scale armor structure are random, and there is no regular repetition, that is, the scale armor structure can completely disperse the light. The reflective cup and lens using the scale armor structure have a good light mixing effect, and the light and the light spot are uniform.

The present application discloses a display module and a display device, wherein the display module comprises a substrate, a plurality of light-emitting elements arranged on one side of the substrate, and a diffuse light-mixing structure arranged on the side of the light-emitting element away from the substrate, wherein the diffuse light-mixing structure comprises a base layer and a diffuse light-mixing portion arranged on the side of the base layer away from the light-emitting element, wherein the diffuse light-mixing portion comprises a plurality of annular protrusions arranged in sequence, wherein the plurality of annular protrusions in the diffuse light-mixing portion are arranged around the same central area, wherein at least one light-emitting element is arranged in the central area, and along the thickness direction of the substrate, the maximum distance between the end of the annular protrusion away from the base layer and the base layer is a first height, and in the diffuse light-mixing portion, the first height of the annular protrusion close to the central area is lower than the first height of the annular protrusion away from the central area. The light mixing uniformity of the display module provided by the present application is improved, thereby improving the display quality.

This utility model relates to the technical field of polarized wall washer lenses, and discloses a light-mixing polarized wall washer lens, including a lens body. The lens body includes a freeform surface, a polarizing region, a reflective surface, a first polarizing surface, a second polarizing surface, and a refractive surface. The reflective surface is used to reflect light to the polarizing region, and the refractive surface is used to refract light to the polarizing region or the freeform surface. The first and second polarizing surfaces are respectively used to refract light to the freeform surface, and the refraction angles of the first and second polarizing surfaces are not aligned. The polarizing region and the freeform surface are respectively used to converge light and project it outward to form a light spot. With the combined effect of the polarizing region and the freeform surface, it has a greater light output effect and helps to increase the light output distance, meeting the needs of wall washer lights. Furthermore, under the action of the first and second polarizing surfaces, the light mixing effect is enhanced, thereby improving the presentation effect of the light spot.

The invention relates to the technical field of general illumination, in particular to a polyhedral color mixing optical structure and a manufacturing method thereof.The polyhedral color mixing optical structure comprises a polyhedron, the interior of the polyhedron is transparent, one end of the polyhedron is provided with a light inlet face, and the other end of the polyhedron is provided with a light outlet face. The light mixing device has the advantages that the good light mixing effect is achieved, and meanwhile the problems that a diffusion plate scheme is dazzling, poor in cutoff performance, poor in light spot adjustability and small in beam angle adjustable range are solved.