23results about How to "Large luminous area" patented technology

The embodiment of the invention provides a display panel and a display device, relates to the technical field of display, and aims to improve the large-viewing-angle peep-proof effect of the display panel. The display panel includes: a substrate; a plurality of light-emitting elements located at one side of the substrate, wherein the light-emitting elements comprise a first light-emitting unit and a second light-emitting unit; the first light blocking layer is located on the side, away from the substrate, of the first light emitting unit, and the first light blocking layer comprises a first opening; the second light blocking layer is located on the side, away from the substrate, of the first light blocking layer, and the second light blocking layer comprises a second opening; the first opening and the second opening are at least partially overlapped with the first light-emitting unit in the direction perpendicular to the plane where the substrate is located; the area of the first opening is larger than that of the second opening, and the orthographic projection of the second light blocking layer on the plane where the substrate is located at least partially covers the edge of the first opening.

The invention relates to the technical field of display, and particularly provides a display panel, a display device and a preparation method of the display panel, and the display panel comprises a substrate and an isolation structure; the isolation structure is located on one side of the substrate and comprises a supporting part and a crown part, the crown part is located on the side, back to the substrate, of the supporting part, the side, back to the crown part, of the supporting part is a first surface, the side, back to the supporting part, of the crown part is a second surface, and an isolation opening is formed in the isolation structure; the end, close to the isolation opening, of the crown part inclines towards the direction close to the substrate, the isolation opening comprises a first opening, a second opening and a third opening, and the distance between the orthographic projection of the end, close to the first opening, of the first surface on the substrate and the orthographic projection of the end, close to the first opening, of the second surface on the substrate is a first length; the distance between the orthographic projection of one end, close to the second opening, of the first surface on the substrate and the orthographic projection of one end, close to the second opening, of the second surface on the substrate is a second length; the distance between the orthographic projection of one end, close to the third opening, of the first surface on the substrate and the orthographic projection of one end, close to the third opening, of the second surface on the substrate is a third length, the first length is not smaller than the second length, and the second length is not smaller than the third length.

The invention discloses a display panel, a preparation method thereof and a display device. The display panel includes: a substrate; the first electrode layer, the light-emitting functional layer and the second electrode layer are sequentially stacked in the direction away from the substrate; the isolation structure is arranged between the substrate and the first electrode layer; the isolation structure is encircled to form a first isolation opening; the first electrode layer, the light-emitting function layer and the second electrode layer at least extend to the side, away from the substrate, of the isolation structure from the interior of the first isolation opening. The light-emitting area of the light-emitting device is increased.

The utility model provides a down lamp with a night mode. The down lamp comprises a lampshade, a light-emitting module, a reflection cup, a light guide module and a shading ring. The light-emitting module is arranged in the lampshade and comprises a main light source and an auxiliary light source arranged on the periphery of the main light source in a surrounding mode. The reflection cup is arranged in the lampshade, abuts against the light-emitting module, separates the main light source from the auxiliary light source and is used for reflecting light emitted by the main light source. The light guide module is arranged outside the reflection cup in a sleeving manner and comprises a plurality of light guide rings which are sequentially distributed from inside to outside, and the light guide rings are used for projecting light rays of the auxiliary light source outwards; the shading ring is arranged between two adjacent light guide rings. The down lamp with the night mode aims at solving the problems that in the prior art, due to the fact that a down lamp is poor in light transmitting effect in the night lamp mode, the lighting brightness and the irradiation area are insufficient, but after the brightness of a night lamp light source is increased, light rays are concentrated, and rest of a user is affected.

The application discloses a display panel and a display device, and belongs to the technical field of display. The display panel comprises a substrate, an insulating layer on the substrate, and a plurality of light-emitting units on the insulating layer, wherein the light-emitting unit comprises a first electrode layer, a light-emitting layer and a second electrode layer. In the application, the side of the insulating layer away from the substrate is provided with a plurality of curved surface structures, and the plurality of light-emitting units are respectively located on the plurality of curved surface structures. In this structure, the electrodes and the light-emitting layer in the light-emitting unit located on the curved surface structure can be curved, the electrodes can drive the curved light-emitting layer to emit light, the light-emitting area of the curved light-emitting unit is larger than that of the planar light-emitting unit, the brightness is improved, the problem of poor brightness of the display panel in the prior art is solved, and the effect of improving the brightness of the display panel is achieved.

The utility model discloses an anti-fog type city lighting LED street lamp which comprises a first lamp pole and a second lamp pole, the second lamp pole is provided with a plurality of installation positions, each installation position is provided with an LED lamp cap, clamping units are installed at the installation positions, and the clamping units are fixedly connected with the LED lamp caps. According to the street lamp, the light-emitting area of the LED lamp caps is large, so that the LED lamp caps can cover a wider area, a more comprehensive lighting effect is provided, and the installation number of the LED lamp caps can be selected according to requirements. The LED lamp holder is large in light emitting power, can provide higher brightness, ensures that enough illumination is provided at night or under the low-illumination condition, improves visibility and safety of pedestrians and drivers, is good in anti-fog effect, and reduces illumination weakening caused by fog. Modularized installation of the LED lamp holder is achieved, so that installation is convenient, and the overall shape is more attractive through shielding of the shielding unit after installation.

The utility model relates to an icon indication structure, a key module and a vehicle, the icon indication structure comprises a light emitting part, a light guide part, a light diffusion agent and a shading part, the light inlet surface of the light guide part is located on the light outlet side of the light emitting part, the light diffusion agent is uniformly arranged in the light guide part, and the shading part is arranged on the light outlet surface of the light guide part; wherein the shading part comprises a shading area and an icon light-transmitting area, the shading area can limit light rays from being emitted from the light-emitting surface, and the icon light-transmitting area can enable the light rays to be emitted from the light-emitting surface. The light diffusion agent is uniformly arranged in the light guide part, so that the light can be more scattered in the light guide part, the emergent light is more uniform, in addition, the light can be emitted at various angles by adding the light diffusion agent, the light-emitting area of the light-emitting surface can be increased, and the light-emitting efficiency is improved. Large-area light emitting can be achieved without making the light-emitting piece far away from the light inlet face of the light guide piece, and the design of the compact structure is utilized.

The invention provides a display backboard and a display device.The display backboard comprises a driving substrate, a pixel unit set, a bottom bonding layer and at least one interlayer bonding layer, the pixel unit set is arranged on one side of the driving substrate and comprises a plurality of pixel units arranged in a stacked mode, and the bottom bonding layer is arranged between the bottom bonding layer and the interlayer bonding layer. Each pixel unit comprises a first functional layer, a light-emitting layer and a second functional layer which are arranged in a stacked mode, the pixel units, close to the driving substrate, in the pixel unit set are bonded with the driving substrate through a bottom bonding layer, and every two adjacent pixel units are bonded through an interlayer bonding layer; wherein the first functional layers of every two adjacent pixel units are adjacent, and each interlayer bonding layer is located between every two adjacent first functional layers, or the second functional layers of every two adjacent pixel units are adjacent, and each interlayer bonding layer is located between every two adjacent second functional layers, so that the design that the adjacent pixel units are jointly connected to the same connecting electrode can be realized; and the light blocking phenomenon caused by too many connecting electrodes in the related technology is reduced.

The invention belongs to the technical field of LED illumination, and particularly relates to a sectional material for splicing a straight light-emitting panel lamp frame and a panel lamp, the sectional material comprises the frame, a diffusion plate, a back plate and a lamp strip, the frame comprises a plurality of sectional materials, each sectional material comprises a side plate and a clamping block, the clamping block is arranged on the lower side of the clamping block, the clamping block is used for being clamped into the side edge of the diffusion plate, and the back plate is arranged on the side edge of the diffusion plate. A diffusion groove is formed in the side edge of the diffusion plate and used for allowing the clamping block on the side plate to be inserted. And the back plate is arranged on the plurality of sectional materials. The light-emitting area of the diffusion plate is maximized by improving the frame, the dependence on a traditional concave back plate and a compression molding process is reduced, and the mold cost and the processing cost can be reduced. In addition, the inclined plates and the reinforcing strips are arranged on the side plates of the sectional material, stable supporting and light guiding of the back plate are achieved, the optical uniformity is further improved, the structure is simple, assembling is flexible, and the production cost and the installation time can be greatly saved.

The invention discloses a display panel and a preparation method thereof, and the display panel comprises a substrate, and a plurality of light-emitting elements and a plurality of pixel limiting structures which are arranged on one side of the substrate, each light-emitting element comprises a first electrode, and each pixel limiting structure is located between two adjacent first electrodes and along the thickness direction of the display panel. The pixel limiting structure is not overlapped with the first electrode; the distance between the surface of the side, away from the substrate, of the first electrode and the substrate is a first distance, and the distance between the surface of the side, away from the substrate, of the pixel limiting structure and the substrate is a second distance; the second distance is greater than the first distance. According to the technical scheme, on one hand, the first electrode can be utilized to the maximum, the light-emitting area is effectively increased, and the light-emitting efficiency is improved; on the other hand, the light of the light-emitting elements can be prevented from diffusing to the position above the pixel limiting structures, optical crosstalk between every two adjacent light-emitting elements is avoided, and the display effect of the display panel is improved.

This invention relates to the field of automotive component structure technology, specifically to a high-braking lamp mounting structure and disassembly method. It includes a trunk lid and a high-braking lamp. The trunk lid comprises an inner panel and an outer panel. When the trunk lid is closed, the outer panel has a mounting groove recessed downwards in the Z direction at its X-axis front end. The high-braking lamp is mounted within the mounting groove, and when the trunk lid is closed, the X-axis front end of the high-braking lamp connects to the X-axis rear end of the rear windshield. A fixing structure for securing the high-braking lamp within the mounting groove and an arrangement structure for facilitating the installation of wiring harnesses on the high-braking lamp are provided between the inner panel, outer panel, and high-braking lamp. The high-braking lamp mounting structure of this application is very simple. The high-braking lamp is located outside the rear windshield, unobstructed, easy to install and disassemble, increases the storage capacity of the rear cargo area while increasing the luminous area of ​​the high-braking lamp, and has significant potential for widespread application.

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 massage eyeshade comprises an eyeshade body (1), the eyeshade body (1) is provided with a left cavity and a right cavity, each cavity is internally provided with a luminous source (2), and the luminous sources (2) are connected with a power source in the eyeshade body (1); the LED lamp is characterized in that a light-transmitting lens (3) is arranged at the position, close to the eyes of the human body, of the cavity, and light rays obtained after the light-emitting source (2) is lightened are reflected and projected through the light-transmitting lens (3) and then are diffused and enter the eyes of the human body. According to the massage eyeshade, the light-transmitting lenses are adopted, so that light rays after the light-emitting source is lightened are diffused through the light-transmitting lenses and enter the eyes of the human body after being reflected and projected, namely, the brightness of light emitting is increased, iris muscles are stimulated, pupils are shrunk, the backflow amount of aqueous humor is further increased, intraocular pressure is reduced, and the myopia speed can be slowed down.

The invention provides a display panel, a preparation method thereof and a display device. The problem that in the prior art, a display device is low in display brightness or high in power consumption is solved. The display panel includes: a substrate; the pixel defining layer is located on one side of the substrate, and at least one pixel opening is defined by the pixel defining layer; at least part of the light extraction structure is located in the pixel opening, the light extraction structure comprises a plurality of concave parts, the ends, close to the substrate, of at least part of the concave parts are located on the same straight line, and the included angle between the straight line and the plane where the substrate is located is larger than 0 degree and smaller than or equal to 45 degrees; the light-emitting device is located in the pixel opening and located on the side, away from the substrate, of the light extraction structure. The light extraction structure comprises a plurality of concave parts, and when the light-emitting devices are manufactured on the surfaces, away from the substrate, of the concave parts, the light-emitting area of the light-emitting devices can be increased, the advancing direction of light emitted by the light-emitting devices can be changed, and the light emitted by the light-emitting devices is not prone to being captured and can be emitted out more easily.

The invention provides a chip structure, a display panel and a preparation method thereof. The chip structure comprises an epitaxial lamination which comprises a first semiconductor layer, a light-emitting layer and a second semiconductor layer which are sequentially laminated along a direction from a first surface to a second surface, and is provided with a lead-out hole which at least extends to the first semiconductor layer from the second surface; the first electrode is electrically connected with the second semiconductor layer; the second electrode comprises a first electrode layer and a second electrode layer; at least part of the first electrode layer is filled in the lead-out hole and is in contact and electrical connection with the first semiconductor layer; the second electrode layer comprises a first conductive part laminated on the first electrode layer corresponding to the lead-out hole, and along the lamination direction of the epitaxial lamination layer, the surface of one side, deviating from the first electrode layer, of the first conductive part is not lower than the second surface or lower than the second surface, and the linear distance between the first conductive part and the second surface is smaller than the particle size of the conductive particles; the conductive particles are configured to electrically connect the second electrode with the driving substrate; therefore, the crimping area of the second electrode is increased, and the electric connection yield is improved.

Disclosed is a flip-chip light-emitting diode chip and a preparation method thereof, comprising: a substrate; an N-type semiconductor layer, located on the substrate; an active layer, located on the N-type semiconductor layer; a P-type semiconductor layer, located on the active layer; a current spreading layer, located on the P-type semiconductor layer; and a first insulating layer, a P electrode, and an N electrode, wherein a portion of the first insulating layer is located on the current spreading layer, and a portion passes through the current spreading layer, the P-type semiconductor layer, and the active layer, and contacts the N-type semiconductor layer; the first insulating layer has a first through hole and a second through hole, the first through hole is located on the current spreading layer, the current spreading layer is connected to the P electrode through the first through hole, the second through hole is located in a portion of the first insulating layer, and the N-type semiconductor layer is connected to the N electrode through the second through hole. The purpose of the present disclosure is to provide a flip-chip light-emitting diode chip with an array electrode structure, thereby increasing the light-emitting area of ​​the flip-chip light-emitting diode chip and effectively improving the light efficiency of the flip-chip light-emitting diode.

The invention relates to the technical field of household appliances, and discloses a light-emitting assembly, a kettle base assembly and an electric kettle. The light-emitting structure is arranged in the accommodating cavity; and the second fixing structure is fixedly connected with the first fixing structure. The lamp strip is arranged on the outer side of the containing cavity and surrounds the first fixing structure, light emitted by the lamp strip passes through the containing cavity with the open end formed in the first fixing structure, installation and positioning of the light-emitting structure are facilitated, compared with the prior art, the light-emitting area of the light-emitting structure is large, a user can clearly see light, and the user experience is improved. And the user experience is improved.

An LED stack for a display and a display device are disclosed. The LED stack includes: a supporting substrate; a first LED stack located on the supporting substrate; a second LED stack located on the first LED stack; a third LED stack located on the second LED stack; a first color filter disposed between the first LED stack and the second LED stack, and allowing light generated from the first LED stack to pass through and reflecting light generated from the second LED stack; and a second color filter disposed between the second LED stack and the third LED stack, and allowing light generated from the first LED stack and the second LED stack to pass through and reflecting light generated from the third LED stack, wherein light generated from the first LED stack is emitted toward the outside through the second LED stack and the third LED stack, and light generated from the second LED stack is emitted toward the outside through the third LED stack.

The present invention provides an array substrate and a preparation method thereof, and a display device, which belong to the field of display technology and can solve the problem that the threshold voltage of a thin film transistor is greatly drifted due to the illumination of a thin film transistor by an existing organic electroluminescent device. The array substrate of the present invention comprises: a substrate, and a plurality of pixel units located on the substrate; each of the pixel units comprises an organic electroluminescent device; wherein the organic electroluminescent device comprises a first pole, a light-emitting layer, and a second pole arranged in sequence in a direction away from the substrate; and the material of the first pole comprises a reflective material; a protruding structure is arranged between any two adjacent first poles of the organic electroluminescent device, and the first pole of the organic electroluminescent device extends to the side wall of the protruding structure.

The utility model relates to the technical field of bone conduction earphones, in particular to an anti-optical crosstalk bone conduction earphone structure and a bone conduction earphone, which comprise a first ear hanging assembly and a second ear hanging assembly respectively hung on a left ear and a right ear, and a rear hanging assembly arranged between the first ear hanging assembly and the second ear hanging assembly, the first ear-hook assembly and the second ear-hook assembly are both provided with light guide bodies, the light guide bodies are exposed out of the outer sides of the first ear-hook assembly and the second ear-hook assembly, the light guide bodies are provided with light emitting parts, and the multiple light emitting parts are arranged in the length direction of the light guide bodies at intervals. According to the scheme, the light emitting area is large, the emitted light is effectively made to be uniform and soft, the phenomena of light diffusion, light leakage, optical crosstalk and the like are effectively avoided, and the use experience feeling is enhanced.

Provided is a light-emitting element. The light-emitting element includes: a first light-emitting portion, including a first n-type semiconductor layer, a first active layer, a first p-type semiconductor layer, and a first transparent electrode; a second light-emitting portion, including a second n-type semiconductor layer, a second active layer, a second p-type semiconductor layer, and a second transparent electrode; a third light-emitting portion, including a third n-type semiconductor layer, a third active layer, a third p-type semiconductor layer, and a third transparent electrode; a first bonding layer, bonding the first light-emitting portion and the second light-emitting portion between the first light-emitting portion and the second light-emitting portion, and having a first connection pattern with bonding and conductivity; and a second bonding layer, bonding the second light-emitting portion and the third light-emitting portion between the second light-emitting portion and the third light-emitting portion, and having a second connection pattern with bonding and conductivity, wherein the third light-emitting portion has a mesa structure exposing a portion of the second connection pattern of the second bonding layer.

The present application discloses a highly alert and easy-to-assemble traffic signal light, including a lamp housing, a panel, a rectangular frame, and three fixed frames. The lamp housing has three installation cavities, each of which has an opening. A cover plate is hingedly installed at the fixed frame, and a circular light-emitting unit is installed at the installation cover plate. The traffic signal light of the present application is easy to install. There is no need to set a locking structure at the installation cover plate. All components can be installed by a few fixing bolts, and the components are modularized, which is more convenient for maintenance; the decorative plate has a decorative effect on the one hand, and a sealing and shielding effect on the other hand, so that the sealing and protection performance is better; the strip light source can emit red, yellow or green light synchronously with the signal light, thereby objectively increasing the light-emitting area and enhancing the indication effect, and the working status of the strip light source can be monitored, so that maintenance can be reminded in time after damage.

The present disclosure provides a light emitting diode preparation method and a light emitting diode. The method comprises: making an epitaxial structure on a substrate; making a first current blocking film on the epitaxial structure, the first current blocking film having a first through hole; patterning the epitaxial structure under the shielding of the first current blocking film to form a step structure at a position corresponding to the first through hole of the epitaxial structure; patterning the first current blocking film to remove an edge portion of the first current blocking film to form a notch, thereby obtaining a second current blocking film; and patterning the epitaxial structure under the shielding of the second current blocking film to form an isolation groove at a position corresponding to the notch of the epitaxial structure, and increasing the width of a step bottom surface of the step structure.