91results about How to "Adjust Uniformity" patented technology

The invention discloses a composite light guide plate structure and a high-efficiency production method for fabricating the light guide plate structure. The production method is characterized in that a flexible light guide thin film is compounded with a substrate layer, the composite light guide plate includes a double-layer or three-layer structure, and light guide grid dots are distributed on the lower surface or on the upper and the lower surfaces of the composite structure, wherein the flexible light guide thin film is produced by advanced reel-to-reel micro-nano imprint and is compounded with the substrate layer through a transparent viscous substance. The invention can greatly improve the production efficiency, and the grid dots manufactured by reel-to-reel micro-nano imprint have the advantage of high consistency, thus ensuring the performance stability of the light guide plate. The invention is particularly applicable for large-size backlight module and has the advantage of low cost. Meanwhile, the invention belongs to environment-friendly manufacture method due to no organic solve discharge in the screen printing process.

The invention discloses a self-luminous road pavement structure and a construction method thereof. The self-luminous road pavement structure comprises a water sealing layer, a water guiding layer, a permeable layer and a self-luminous surface layer, the water sealing layer, the water guiding layer, the permeable layer and the self-luminous surface layer are arranged from the bottom up in a layer-by-layer mode, the self-luminous surface layer is filled with artificial luminescent stone particles, road water removing can be accelerated through the structure, and the phenomena of instability of clearance and gravel embedded into a soil matrix are eliminated; and the construction method comprises the following steps that (1) the water sealing layer is poured; (2) the water guiding layer is paved; (3) the permeable layer is poured; and (4) the self-luminous surface layer is poured. According to the self-luminous road pavement structure and the construction method thereof, construction is convenient, universality of the technology is high, and cost engineering is saved.

The invention discloses a high-power high-brightness light-emitting diode (LED) light source packaging structure and a packaging method thereof. The packaging structure provided by the invention comprises a radiation board, a circuit board and an LED module, wherein the LED module is manufactured by performing contact-type radiation treatment, thermal stress reduction treatment and insulation treatment on an LED chip; the LED module is welded on the radiation board; and the circuit board is welded or adhered to the radiation board, so that the circuit board is distributed on the periphery of the LED module and is electrically connected with the LED chip. According to the invention, through the optimal design of the LED light source packaging structure, the problems of low radiation efficiency and poor stability of the LED packaging structure in the prior art can be solved, the problem that the LED chip is mismatched with a heat sink thermal expansion coefficient is solved, and the packaging structure has the advantages of high stability, long storage life, low cost and the like.

The invention discloses an aluminum profile machining surface polishing device capable of adjusting the polishing uniformity, which comprises a base, a positioning frame is fixedly arranged in the middle of the top of the base, through grooves are arranged at the middles of the two sides of the inner wall of the positioning frame, sliding blocks are arranged in the two through grooves in a sliding mode, a fixed plate is fixedly arranged at one end of the two sliding blocks, and one end of each of the two sliding blocks is fixedly connected with the middle position of the two sides of the fixed plate correspondingly. A positioning handle is rotated, so that a moving block arranged on the outer wall of a lead screw in a threaded mode drives a second rotating disc at the bottom end to move, the second rotating disc slides along a first sliding groove on the inner wall of a positioning seat fixed to the bottom end of a first rotating disc through a moving block fixed to the top end, the second rotating disc can be adjusted to different rotating polishing areas, and therefore the surface polishing and grinding uniformity of an aluminum profile is adjusted, and aluminum profiles with different specification requirements can be ground conveniently, and the practicability of the aluminum profile surface machining, polishing and grinding device is improved.

The invention discloses an imaging OLED timer which comprises an OLED screen body and a driving circuit board electrically connected with the OLED screen body. A timing display image formed by a plurality of time indicating zones is formed on the OLED screen body. The time indicating zones are independently arranged and are electrically connected with the driving circuit board respectively. The driving circuit board is used for controlling image displaying of the time indicating zones. The imaging OLED timer is simple in structure, light, easy to carry and even in color development, the imaging OLED timer can display any color in the visible light range by adjusting light-emitting color of a light-emitting layer in the OLED screen body, color is abundant, in addition, and the OLED screen body is a self-light-emitting device and is similar to a Lambertian source, so that the imaging OLED timer has the advantages of being wide in body view angle and is not affected by checking angles.

The invention relates to a method for preparing a large-size silicon carbide ceramic plate through reactive sintering. The method comprises the following steps: weighing 60-85 parts by mass of siliconcarbide, 5-10 parts by mass of graphite powder, 2-5 parts by mass of carbon black and 2-4 parts by mass of an auxiliary agent, carrying out uniform mixing under stirring, adding 5-15 parts by mass ofwater, continuing stirring for uniform mixing, and performing aging to obtain a mud material; subjecting the mud material to pugging and then to extrusion molding through an extruder so as to obtaina biscuit; and conducting drying and sintering to obtain the silicon carbide ceramic plate. According to the invention, a standing charging mode is adopted, so a large number of cracks can be effectively reduced, and cracks caused by shrinkage during drying in the prior art are overcome. According to the method, the large-size silicon carbide ceramic plate can be prepared on a large scale, and theproblems occurring in forming, drying, sintering and other processes in the prior art are solved under the condition that flatness is guaranteed.

The invention relates to the technical field of display, and provides a backlight module. The backlight module comprises a light guide plate, a diffusion assembly and a light source assembly. A lightguide plate is provide with a hole; The diffusion assembly is arranged on the light guide plate; A light source assembly include a light emitting portion dispose in that hole, the light emitting portion including a COB light source having a light emitting surface toward the diffusion assembly and an LED light source have a light emitting surface toward the hole wall; The transmittance of the diffuser relative to the COB light source is smaller than the transmittance of the rest of the diffuser. The light emitting part is arranged in the hole of the light guide plate, and the backlight module does not exist on the light entrance side, and the periphery of the backlight module can be arranged as a narrow frame. The light uniformity of the whole backlight module can be adjusted by the different transmittance of the diffusion module. The COB light source emits uniformly and has no light spots, which further improves the uniformity of the light emitted from the whole backlight module.

The invention relates to a structured light projection device having an automatic focusing device and a method thereof. The device comprises a structured light projector and an automatic focusing device. The structured light projection device includes a laser emitter for emitting light and an optical system for converting the light emitted by the emitter into light having a particular pattern. Theautomatic focusing device includes a motor and a motor controller. When motor controller drives the motor to move, the motor can drive the optical system to move so as to adjust the relative positionbetween the laser emitter and the optical system, thereby improving the uniformity of the projected pattern.

The present disclosure provides a grounding ring, a chamber, and a physical vapor deposition apparatus. The grounding ring includes a first conductive ring, a second conductive ring, and a plurality of elastic devices electrically connecting the first conductive ring and the second conductive ring, wherein a first central axis of the first conductive ring is parallel to or coincident with a secondcentral axis of the second conductive ring, and the plurality of elastic devices are configured such that the first conductive ring and the second conductive ring can move relative to each other in adirection of the first central axis. The elastic devices in the grounding ring may expand the adjustment range between the first conductive ring and the second conductive ring.

The invention relates to the technical field of automatic equipment, and particularly relates to an electric adjustable coating baffle device and coating equipment. The electric adjustable coating baffle device disclosed by the invention is applied to the coating equipment. The coating equipment comprises a target material and a substrate which are arranged in a spaced manner; the electric adjustable coating baffle device comprises a base plate, a baffle component and an adjusting mechanism, wherein the baffle component is arranged above the base plate; and the adjusting mechanism is arranged above the base plate, is connected with the baffle component and is used for controlling the baffle component to move so that the baffle component can extend out of the base plate and reach a place between the target material and the substrate. In a vacuum coating process, when a non-uniform region is detected in a membrane layer on the substrate, the adjusting mechanism is used for controlling the baffle component to extend out of the base plate and reach the place between the target material and the substrate, so that the baffle component can obstruct the substrate in a region in which the membrane layer is relatively thick, and thus the uniformity of the membrane layer in the region can be controlled. The electric adjustable coating baffle device disclosed by the invention can be used for implementing large-range adjustment of the uniformity of the membrane layer on the substrate in a vacuum state, so time and cost are effectively saved.

A focusing apparatus and a lithography system using the same capable of adjusting a uniformity of an electromagnetic field by moving a portion of a magnetic field generator. The focusing apparatus may control a path of an electron beam generated from an electron-beam emitter of the lithography system. In the focusing apparatus, a uniformity of the magnetic field in the vacuum chamber may be adjusted through movement of the portion of the magnetic field generator with respect to the vacuum chamber.

The invention discloses an intelligent online uniformity adjusting system. The intelligent online uniformity adjusting system comprises a WinCC monitoring computer, a uniformity comparison computer, an online detection mechanism and a reaction gas control mechanism. The reaction gas control mechanism is used for controlling the intake speed and intake amount of a reaction gas. The WinCC monitoringcomputer, the uniformity comparison computer, the online detection mechanism and the reaction gas control mechanism are wirelessly connected. According to the intelligent online uniformity adjustingsystem, it is ensured that the vacuum magnetron sputtering gas distribution amount is precisely adjusted and controlled in time, and automatic online adjustment is realized completely according to thebackground data; the uniformity of coating of the surface of coating glass can be controlled effectively, the manual operation amount can be lowered as well, the labor investment is saved while the high-quality coating is ensured, the speed of glass coating is increased, and the production is increased. The intelligent online uniformity adjusting system is wildly applicable to the automatic production and processing industry.

A film deposition apparatus includes a process chamber having a substantially cylindrical shape, and a turntable to receive a substrate thereon provided in the process chamber. At least one gas nozzle extends toward a central axis of the turntable from an inner side wall of the process chamber above the turntable along a radial direction of the turntable. At least one side wall heater is provided to cover at least part of the inner side wall of the process chamber and/or at least part of a surrounding area of the central axis of the turntable in a wall-shaped manner.

A plasma apparatus including a chamber, an electrode set and a gas supplying tube set is provided. The chamber has a supporting table for supporting a substrate. The gas supplying tube set is disposed in the chamber and has a plurality of gas apertures. The gas supplying tube set is located between the supporting table and the electrode set.

The invention mainly belongs to the technical field of ion beam adjusting device, and specifically relates to an ion beam adjusting device. The ion beam adjusting device comprises an iron core, pole heads, a first coil and a second coil, wherein the iron core comprises an upper iron core block, a lower iron core block, a front iron core block and a rear iron core block; the front ends and the rear ends of the upper iron core block and the lower iron core block are connected with the front iron core block and the rear iron core block respectively; and the inner side faces of the upper iron core block, the lower iron core block, the front iron core block and the rear iron core block are defined together to form a through hole. The ion beam adjusting device also comprises third coils stacked on the front iron core block in sequence in a sleeving manner and fourth coils stacked on the rear iron core block in sequence in the sleeving manner. According to the ion beam adjusting device disclosed by the invention, the cross section shape of a strip-shaped beam can be maintained to be the shape of a straight line when the beam passes through the device, and the uniformity of the beam in the height direction can be adjusted, so that the requirements of beam transmission and injection are met.

The invention discloses an interior wall thermal insulation plaster, which comprises the following components by mass: 55 to 75 parts of gypsum; 8 to 25 parts of lightweight aggregate; 10 to 30 parts of filler; 0.1 to 0.3 part of an air entraining agent; 0.1 to 0.3 part of cellulose; 0.5 to 1.5 parts of rubber powder; 0.05 to 0.1 part of starch ether; and 0.05 to 0.15 part of a retarder. The internal wall heat insulation plastering method is convenient and simple in manufacturing, the material has the advantages of being high in strength, low in heat conductivity coefficient, good in heat insulation effect and the like, construction operation is easy and convenient, and good market prospects are achieved.

The invention provides a solar simulator optical system for testing a triple-junction gallium arsenide solar cell, and relates to the technical field of light spectrum, aiming at solving the problems of an existing solar simulator optical system that difference is formed between a partial spectrum band and a solar light spectrum, so that measurement requirements cannot be met and the like. The solar simulator optical system comprises a xenon lamp, an ellipsoidal reflecting mirror, an optical filter array, a first plane reflecting mirror, an AM0 optical filter, an optical integrator, a second plane reflecting mirror and a collimator objective, and further comprises an optical filter array; the optical filter array comprises two first optical filters, two second optical filters and two third optical filters; the two first optical filters, the two second optical filters and the two third optical filters are uniformly distributed along the periphery at intervals; light emitted by the xenon lam is reflected by the ellipsoidal reflecting mirror, and then is filtered through the optical filter array; after the direction of a light beam is changed through the first plane reflecting mirror, the light is filtered through the AM0 optical filter again, and is converged on the optical integrator; then the light passes through the optical integrator, the second plane reflecting mirror and the collimator objective in sequence and then is projected onto an irradiation surface, so as to form the uniform irradiation surface.

The invention discloses a multi-functional thermal insulation material which comprises the following components in parts by mass: 65-85 parts of gypsum; 10-30 parts of a lightweight aggregate; 0.15-0.35 parts of cellulose; 0.5-1 part of rubber powder; 0.05-0.1 parts of a thixotropic agent; 0.1-0.2 parts of a retarder; and 4-7 parts of ash calcium. The lightweight aggregate is one or more of vitrified microbeads, expanded perlite, polyphenyl granules, ceramic microbeads, sepiolite or closed-cell perlite. The cellulose is one or more of hydroxypropyl methyl cellulose, ethyl cellulose or carboxymethyl cellulose. The rubber powder is one or more of dispersible latex powder, VAE rubber powder or resin rubber powder. The thixotropic agent is one or two of fumed silica, organic bentonite, asbestos, magnesium aluminum silicate or kaolin. The material has the advantages that the method for preparing the multi-functional thermal insulation material is simple and easy to implement, the thermal insulation material has the characteristics of low density, high strength and low heat conductivity coefficient, subsequent construction operation is simple and convenient, and manpower can be greatly saved.

The invention relates to an apparatus and a method for preparing high-purity barium titanate. According to the apparatus, a storage tank (1) is connected to the inlet of a reaction kettle (10) througha first pipeline (15) and a first valve (2), the outlet of the reaction kettle (10) is connected to the inlet of a buffer tank (7) through a second pipeline (16) and a second valve (4), the outlet ofthe buffer tank (7) is connected to an air filter (11) through a third pipeline (17) and a third valve (6), the air filter (11) is connected to a vacuum pump (13) through a fourth pipeline (18) and afourth valve (12), the bottom outlet of the buffer tank (7) is connected to a waste liquid groove (9) through a fifth pipeline (19) and a fifth valve (8), the second pipeline (16) is connected to a sixth valve (20), and the buffer tank (7) is provided with a vacuum meter gauge (5). According to the present invention, the apparatus has advantages of simple equipment, low reaction temperature, environmental protection and energy saving, and the obtained barium titanate powder can meet the requirements of electronic components such as MLCC, PTC and the like.

The invention provides a purging method and structure, a deposition process and a gas inlet system. The purging method is used in the chemical vapor deposition process. A substrate is borne on a chuck, and purging gas and process gas are conveyed to the edge of the substrate in the process of carrying out the chemical vapor deposition process. Due to the fact that the purging gas and the process gas are introduced into the edge of the substrate, the process gas reacts with process gas introduced into a cavity, continuous proceeding of the reaction on the edge of the substrate is promoted, products on the edge of the substrate are supplemented, and thus the uniformity of the edge of the substrate is adjusted.