11results about How to "Large light angle" patented technology

The utility model relates to the field of light-emitting devices, and discloses an LED device for a backlight source, the LED device comprises a support, an LED chip with the surface plated with a distributed Bragg reflection layer, a surrounding part and a packaging body, the packaging body is hemispherical, and the light-emitting angle range of the LED chip with the surface plated with the distributed Bragg reflection layer is 150-160 degrees; the LED chip of which the surface is plated with a distributed Bragg reflection layer, the enclosure part and the packaging body are fixed on the bracket; the surrounding part surrounds the periphery of the LED chip of which the surface is plated with the distributed Bragg reflection layer; the packaging body covers the surface, away from the support, of the LED chip, wherein the surface of the LED chip is plated with the distributed Bragg reflection layer. The LED chip with the light-emitting angle ranging from 150 degrees to 160 degrees is matched with the hemispherical packaging body, the effect of a lens is achieved, the light-emitting angle of the device can reach 180 degrees, the light-emitting angle of the light-emitting device is increased, other lenses do not need to be matched, the size is small, and the display device can be light and thin.

The invention relates to a rare earth complex ink with scattering particles doped with a pyrazoloboron Ce (III) complex, and preparation and application thereof, and belongs to the field of light-emitting display. The scattering particles are introduced into the rare earth complex ink, so that the scattering of light can be effectively increased, the propagation path of light can be prolonged, the opportunity of absorbing light by the rare earth complex can be increased, the luminous efficiency can be enhanced, exciting light can be uniformly distributed, brightness spots and dark areas in printed patterns can be reduced, and the consistency of visual effects can be ensured; the light rays scattered in multiple directions can broaden the light-emitting angle, so that the pattern can keep a good light-emitting effect at different observation angles. In addition, by changing the propagation path of the light, the scattering particles reduce the retention time of the light in the rare earth complex, the self-absorption effect is reduced, and the luminous efficiency is further improved.

The invention provides a display substrate and a display device, and belongs to the technical field of display. The display substrate comprises a substrate body, a plurality of light emitting units located on the substrate body and arranged in an array, and a driving chip located on the substrate body. The light-emitting unit comprises at least one light-emitting chip, and the driving chip is used for being electrically connected with the light-emitting chip. Each driving chip and the light-emitting chip closest to the driving chip meet the condition that L / D is larger than or equal to tan (alpha / 2). L is the distance between the driving chip and the light-emitting chip closest to the driving chip, D is the distance between the face, away from the substrate, of the driving chip and the face, close to the substrate, of the light-emitting layer of the light-emitting chip closest to the driving chip, and alpha is the light-emitting angle of the light-emitting chip closest to the driving chip. It can be guaranteed that the light-emitting chip has a large light emitting angle, and therefore it is guaranteed that the display substrate has a large visual angle.

The invention relates to a three-in-one LED, a display device lamp panel, a manufacturing method of the display device lamp panel and a display device. The three-in-one LED is provided with a first epoxy resin layer and a second epoxy resin layer, and the second epoxy resin layer covers the first epoxy resin layer. The process method comprises the following steps that an LED display screen lamp panel is fixed to a platform; preparing a steel mesh, aligning the steel mesh with a lamp panel of the LED display screen, and forming holes in corresponding LED light-emitting positions; adding epoxy resin mixed liquid into the steel mesh, and rolling the epoxy resin mixed liquid by using a rubber scraper, so that the epoxy resin mixed liquid leaks onto the LED lamp cup from the corresponding steel mesh holes; and the LED display screen lamp panel is taken out and baked.

The present disclosure relates to an indirect lighting device, comprising a light source assembly, a reflector structure assembly, a bottom structure assembly and an appearance structure assembly. The direct light from the light source assembly symmetrically illuminates the inner surface of the reflector structure assembly and is reflected and diffusely reflected, and then emitted from the light outlet of the bottom structure assembly. The direct light of the light source assembly is invisible. The present disclosure converts the hot spot direct light of the light source assembly into softer light on the surface of the light source, and the efficient reflector structure assembly enables the indirect lighting device to achieve high light efficiency at the same time.

The present invention discloses an inspection robot with adjustable internal size of a cable pipeline, the structure of which comprises a main control machine, an adjusting support rod, a top frame, side rods and moving wheels, the side rods being installed on the left and right sides of the main control machine, the adjusting support rods being fixed to the upper surface of the main control machine, the adjusting support rods being supported between the top frame and the main control machine, the side rods comprising support rods, a connecting core, a through port, a light bar, a pituitary body, auxiliary wheels, a push wheel and a protective layer, the support rods being fitted between the two pituitary bodies, the connecting core and the pituitary body being an integrated structure, the through port running through the inside of the pituitary body, the size of the main control machine itself being relatively small, and the robot can be flexibly adjusted and changed mainly by adjusting the support rods and the side rods according to the thickness of different cables, the side rods form an inverted C-shaped structure with the main control machine through their own vertical gravity, so that when the main control machine moves on the surface of the cable, the two sides are bent and wrapped by the pituitary bodies to change together with the bending shape of the cable, and the auxiliary wheels assist the side rods to move smoothly as a whole following the main control machine.

The utility model discloses a track lamp with multidirectional steering structure, include: fixed base, its inner wall fixedly connected with annular seat, steering connecting piece, install inside annular seat, and steering connecting piece extends to the outside of fixed base, lamp stand, install on steering connecting piece, be used for to track lamp rotation angle adjustment, improve the flexibility of light irradiation, the utility model discloses through the design of steering connecting piece, compared with the track lamp of single adjustment mode in market, through steering connecting piece can 180 degree swing adjustment and 90 degree overturn to lamp stand, through steering connecting piece design brings double adjustment degree of freedom, 180 degree swing and 90 degree overturn's combination, expands the illumination angle, thoroughly solved the traditional product irradiation angle loss, the problem of unable accurate alignment, improved the flexibility of light irradiation, can satisfy the illumination demand under different scenes.

The invention provides a lamp bead, an electronic device and a manufacturing method of the lamp bead, and belongs to the technical field of illumination. The lamp bead comprises a bracket, and a light-emitting chip, fluorescent glue, a lens and a diffusion piece which are positioned on the same side of the bracket; the light-emitting chip is connected with the bracket; the fluorescent glue covers the light-emitting chip and is connected with the support, and the face, back on to the support, of the fluorescent glue is an outwards-protruding arc face. The lens covers the fluorescent glue and is connected with the support, the outer wall of the side, back on to the support, of the lens is provided with a containing groove, and the containing groove is opposite to the light-emitting chip; the diffusion piece is located in the containing groove, and the diffusion piece is a segment-shaped structural piece. The light emitting angle of the lamp bead can be effectively improved.

This invention discloses a Mini LED backlight and its backlight module, comprising a circuit board, several chips, and an optical layer. The chips and optical layer are fixed above the circuit board, with the optical layer covering the chips. The chips and optical layer constitute independent light-emitting units. The optical layer includes a first optical layer…annth optical layer stacked sequentially from the inside out, all of which are fixedly connected to the circuit board. Each of the first…annth optical layer contains filling particles. The angle between the first curved segment and the circuit board is θ1; the angle between the second curved segment and the circuit board is θ2; the angle between the external tangent of the third starting point of the third curved segment and the circuit board is θ3. The relationship between angles θ1, θ2, and θ3 is: θ3 > θ2 > θ1. In this invention's Mini LED backlight and its backlight module, increasing the light emission angle provides the advantages of preventing dark stripes and ensuring uniform light color.

The utility model discloses a stair induction illuminating lamp, and particularly relates to the technical field of stairs, the stair induction illuminating lamp comprises a box body, a fixing assembly is installed outside the box body, a lifting assembly is installed inside the box body, the interior of the box body is connected with a supporting plate through the lifting assembly, and a lamp assembly is installed outside the supporting plate. When the lamp needs to be replaced, an electric push rod is started, the electric push rod drives a main fixing block by pushing a main sliding block, the main fixing block drives a shear fork by driving a main fixing rod, and the shear fork drives an auxiliary fixing rod to move and enables the lamp to move downwards under the action of a rotating rod. One end of a new lighting lamp is placed in the main fixing piece, the auxiliary limiting block is pulled to drive the clamping block to enable the spring to deform, the other end of the lighting lamp is placed in the auxiliary fixing piece, the lamp can be conveniently moved up and down to change the lighting position, the lighting angle is wider, the lamp can be conveniently replaced, and the replacement difficulty is reduced.