59results about How to "Good light blocking effect" patented technology

The invention relates to a display device with the functions of removing dust and blocking light. The display device comprises a display screen, a support plate, a control panel and a support base, and further comprises a dust removal mechanism and two light blocking mechanisms, wherein the dust removal mechanism comprises a first motor, a rotation shaft, a transmission shaft, a fixing block, a dust removal box, a transmission assembly and two sliders, a dust removal assembly is arranged in the dust removal box, the dust removal assembly comprises a movable box and two movable units, a power unit, a swing rod, a connecting rod, a hinge rod and a suction nozzle are arranged in the movable box, each light blocking mechanism comprises a light blocking box, a rotation assembly and a telescopicassembly are arranged in each light blocking box, and each rotation assembly comprises a second motor, a roller and light-shading cloth. For the display device with the functions of removing dust andblocking light, through the dust removal mechanism, dust covering the display screen can be removed, thus the phenomenon that dust accumulates on the display screen, further, the watching of people is influenced, is avoided, therefore, the practicability of the display device is improved, meanwhile, through the light blocking mechanisms, light-shading work can be carried out on the display screenfrom two sides of the display screen, and thus the phenomenon that the screen reflects light, consequently, the watching effect is influenced, is avoided.

The invention relates to a three-layer co-extrusion full-biodegradable delivery packaging bag and a preparation method thereof, and belongs to the field of high polymer materials. Raw material components of an inner layer, a middle layer and an outer layer are mixed to be uniform respectively according to the formula, master batches are prepared through a twin-screw extruding machine, and then a three-layer full-biodegradable film is prepared through a three-layer co-extrusion blow molding process. The film is subjected to the gluing, heat sealing and cutting procedures of a delivery packagingbag making machine, and the delivery packaging bag is prepared. The material formula good in opening performance and film forming performance is adopted on the middle layer and the inner layer, and the material formula good in mechanical performance and film forming performance is adopted on the middle layer and the outer layer. The delivery packaging bag has full biodegradability, has excellentmechanical performance, heat sealing performance and seal adhesive sealing performance and can replace a delivery packaging bag prepare from a non-biodegradable plastic PE film.

The invention discloses a lignin-starch combined masterbatch composite biodegradable polyester material and a preparation method thereof. Lignin, starch, a plasticizer and a lubricant are premixed ina high-speed mixer, and then the premix is subjected to melt extrusion by a twin-screw extruder at 140-180 DEG C to obtain combined masterbatches; the obtained particles are compounded with degradablepolyester, and secondary melt extrusion granulation is conducted by the twin-screw extruder at 140-180 DEG C; finally, the obtained composite particles are subjected to injection molding / compressionmolding / blow molding film formation at 140-180 DEG C. According to the lignin-starch combined masterbatch composite biodegradable polyester material and the preparation method thereof, a reactive extrusion process is utilized, the lignin serves as a novel modifier of starch to replace a traditional polymer modifier with side-grafted carboxylic acid groups, the retrogradation of plasticized starchis prevented, the use amount of biomass is increased, the cost is reduced, the use of non-degradable materials is reduced at the same time, and the environmental friendliness and sustainability of thematerial are improved. The good compatibility between the combined masterbatches and the degradable polyester makes the composite biodegradable polyester material have good mechanical properties.

The invention discloses high-light-resistance glass fiber reinforced PC plastic. The PC plastic comprises the following components in percentage by weight: 48%-88% of PC resin, 1%-5% of MBS, 1%-5% of EMA, 3%-30% of glass fiber, 5%-15% of TiO2, 0.2%-0.5% of a coupling agent, 0.1%-0.3% of an antioxidant, 0.3%-0.8% of a lubricating agent and 0.001%-0.5% of carbon powder. The PC plastic is high in light resistance, low in warping degree, stable in size and easy to demold.

The invention discloses a silver reflective plastic film bag and its processing method and application; the silver reflective plastic film bag can be used as a fruit bag, and has very good strength and heat insulation effect, and protects the fruit from harm. Keep the fruit growing environment stable. A silver reflective plastic film bag disclosed by the invention comprises a bag body with an opening; a base layer and a reflective layer coated on the base layer; the reflective layer is an aluminized reflective layer; the base layer is made of a hydrophobic material The reflective layer is a reflective film; the reflective film is followed by an inner layer of hot melt adhesive film layer for bonding with the base layer, a middle layer of glass beads layer and an outer layer of aluminum-coated plastic along the direction away from the base layer. film; the material of the hot melt adhesive film is EVA or maleic anhydride grafted polyethylene or a mixture of the two, and the VA content in the EVA resin is 5% to 40%; in the maleic anhydride grafted polyethylene, the grafted The rate is 0.5% to 0.8%, and the Vicat softening point is above 110°C.

An anticancer Chinese medicine in the form of nano-class emulsion for treating cancers is proportionally prepared from taxol or polyene taxol or amarin or hydroxy camptothecine, brucea fruit oil, soybean phosphatide or lecithin for injection, poloxamer, glycerine for injection and the water for injection. Its preparing process is also disclosed.

The invention discloses an anti-dazzle plate for a front end of an LED light emitting plate convenient for stretching out of a camera. The anti-dazzle plate comprises an annular plate body achieving a light shielding effect on the annular LED light emitting plate and enabling the camera to outwards stretch out from a middle annular hole; the annular plate body is provided with multiple through holes for enabling an LED projection lamp set to outwards emit light; the annular plate body is provided with cylinders extending outwards in the through holes; multiple separation plates for dividing the cylinders into multiple channels are arranged in the cylinders; and each separation plate is perpendicular to the annular plate body. The anti-dazzle plate is simple and easy to realize, has an anti-dazzle function, and is high in practicability.

The invention provides a manufacturing method of a display substrate, the display substrate and a display device. The manufacturing method of the display substrate comprises the steps that a plurality of light-emitting units are arranged on a substrate, a part of a first semiconductor layer is exposed, and the light-emitting units form a table top; a first light blocking structure is arranged in a groove between the table tops of the light emitting units; an electrode layer is arranged on the light-emitting unit and the first semiconductor layer, and a Micro-LED array is obtained; and the Micro-LED array is bonded with a circuit substrate, and the substrate is peeled off. According to the technical scheme, the light blocking structures are arranged between the light emitting units, the optical crosstalk phenomenon between the light emitting units can be effectively avoided, and the display effect of the display substrate is improved.

The invention relates to a plastic container for packaging, and particularly provides a white packaging container. The container wall of the white packaging container comprises a first light blocking layer and a second light blocking layer, wherein the first light blocking layer is an outer layer; and raw materials of the first light blocking layer comprise polyethylene glycol terephthalate and a first light blocking agent, the first light blocking agent is selected from at least one of white color master batch, white color oil and caesious color master batch, and raw materials of the second light blocking layer comprise polyethylene glycol terephthalate and a second light blocking agent. The first light blocking agent and the second light blocking agent are arranged in two layers, the first light blocking agent is added into the first light blocking layer, the second light blocking agent is added into the second light blocking layer, therefore the utilization rate and distribution uniformity of the light blocking agents can be improved, most importantly, the use amount of the whole light blocking agents is remarkably reduced while the same light blocking effect is achieved, the whiteness of the container wall is remarkably improved, and the attractiveness of the white packaging container is improved.

The invention discloses an imaging board, an image collector and a terminal. The imaging board includes a light-transmitting substrate and a light-blocking film arranged on one side of the substrate or in the middle of the substrate. The light-blocking film is provided with an imaging hole; the imaging board, The image acquisition device and the light source are designed to be composed or the imaging plate, the light guide plate, the image acquisition device and the light source are designed to form the image acquisition device of the present invention, which reduces the thickness of the image acquisition device, reduces the cost, greatly improves the image resolution, and simplifies the structural components , and the imaging board or image collector is integrated behind the terminal, so that the terminal has an image acquisition function.

The invention relates to the technical field of multifunctional glass, in particular to a piece of anti-scratch energy-saving fireproof glass comprising a control circuit and a glass body. The glass body includes a liquid crystal layer, a transparent electrode layer, a fireproof layer, a fireproof glass layer and a scratch-resistant layer. The control circuit includes a control switch, an automatic circuit, a manual circuit, and a selector switch. Therefore, the light transmittance of the glass can be adjusted automatically or manually; the indoor temperature adjustment can be adjusted conveniently; the good energy-saving effect is realized; and the fireproof performance and the scratch resistance performance of the product are enhanced.

Pure milk and a preparing method thereof are provided. The pure milk includes a transparent container and a pure milk base material disposed in the container. The pure milk is beautiful and high in stability. In particular, the container has good light barrier performance and oxygen isolation performance, and the pure milk is not liable to decay in long-term storage and has a long shelf life.