38results about How to "Good cutoff" patented technology

PROBLEM TO BE SOLVED: To obtain a near-infrared ray cut filter which has a wide viewing angle, is superior in near-infrared ray cutting capability, has a low hygroscopicity, and is free from foreign matters and warpage.SOLUTION: The near-infrared ray cut filter includes a resin substrate (I) containing a compound (I) which has a structure derived from a compound expressed by a formula (I).

The present invention relates to a near infrared cut filter and a device comprising the same. The aim of the invention is to provide the near infrared cut filter which has the advantages of wide visual angle, excellent near infrared cutting performance, low hygroscopicity, no foreign matter or warp. The near infrared cut filter is characterized in that the transmissivity satisfies the conditions (A) to (D): (A), in the wavelength range 430-580nm, the average value of transmissivity is more than 75%; (B) in the wavelength range 800-1000 nm, the average value of transmissivity is less than 20%; (C) the absolute value of the difference between a large wavelength with a transmissivity of 70% in the wavelength area less than 800nm and a shortest wavelength with a transmissivity of 30% in the wavelength area larger than 580nm; and (D) in the wavelength area of 560-800nm, the absolute value of the difference between a wavelength value with a transmissivity of 50% when determined in a vertical direction in the wavelength area of 560-800nm and a wavelength value with a transmissivity of 50% when determined in a direction at an angle of 30 DEG relatively to the vertical direction in the wavelength range 560-800nm.

The invention belongs to the field of image recognition, and particularly relates to a collimating film, an interference-reducing collimating film, a preparation method of the interference-reducing collimating film, an attached collimating film and an image recognition module. In order to solve the problem that two layers of collimating diaphragms in a traditional rigid collimating sheet are difficult to align, the invention provides a collimating film, an interference-reducing collimatingfilm, an attached collimating film, an image recognition module and a preparation method thereof. The interference reducing collimating film sequentially comprises a collimating lens layer, a flexible substrate layer and a collimating hole layer. The collimating lens layer comprises a micro-lens array and a lens layer; the collimating hole layer comprises a collimating hole array; and the micro-lens array of the collimating lens layer is arranged in a disordered manner. The interference-reducing collimating film provided by the invention can reduce the light interference phenomenon and improve the image recognition accuracy. The image recognition module provided by the invention is high in recognition accuracy and can be applied to fingerprint unlocking and the like of consumer electronic products such as mobile phones (OLED screens).

There is provided a vehicle window pane that can be manufactured at low cost and can reduce burning sensation of the skin of a passenger in the vehicle, and a manufacturing method therefor. With a glass plate 1 held by a glass plate holding member 4 in the vertical direction, a nozzle 2 is used to eject infrared cutoff liquid 3 onto the upper portion 1b of the glass plate 1. The infrared cutoff liquid 3 ejected onto the upper portion 1b of the glass plate 1 flows vertically downward, and is applied onto the glass plate 1. The glass plate 1 to which the infrared cutoff liquid 2 has been applied is dried for approximately five minutes at room temperature. Then, the glass plate 1 to which the infrared cutoff liquid 3 has been applied is placed in an oven preheated to 200° C., heated for ten minutes, and then cooled. The glass plate 1 having the infrared cutoff film thereon is thus formed. The resultant glass plate 1 having the infrared cutoff film thereon is installed in a vehicle 5 in such a way that the lower portion 1c of the glass plate 1 is located on the upper side of the vehicle 5 and the upper portion 1b of the glass plate 1 is located on the lower side of the vehicle 5.

The invention relates to the field of photovoltaic packaging materials and particularly relates to an illite/smectite clay containing anti-PID functional master batch for a photovoltaic packaging filmand a preparation method for the illite/smectite clay containing anti-PID functional master batch. The master batch is prepared from the following ingredients in percentage by weight: 50% to 88% of EVA resin, 4% to 20% of modified zirconium phosphate crystal, 0.5% to 10% of cross-linker, 0.5% to 2.5% of silane coupler, 5% to 15% of nano illite/smectite clay and the balance of auxiliaries. According to the illite/smectite clay containing anti-PID functional master batch for the photovoltaic packaging film and the preparation method for the illite/smectite clay containing anti-PID functional master batch, the defect in the prior art that master batches for photovoltaic packaging films do not have an anti-PID function and thus performance of batteries is low is overcome; the illite/smectiteclay containing anti-PID functional master batch for the photovoltaic packaging film, prepared by the method, has a good anti-PID function; meanwhile, a top-class flame-retardant effect is achieved under the condition of not additionally adding flame retardants; and furthermore, the illite/smectite clay containing anti-PID functional master batch further has the advantages that the antibacterial and mildewproof effect is good, meanwhile, toxic and harmful substances in the functional master batch can be remarkably reduced, and the like.

A dark current cutoff device (1) includes: a battery (10) configure to perform electrical power supply to a load (20); a cutoff switch (32), which is provided between the battery (10) and the load (20), cuts off the electrical power supply to the load (20) at a time of being opened, and supplies electrical power to the load (20) at a time of being closed; a failure recording unit (21) that determines and records a case where the load (20) does not operate as a failure of the load (20); and an open/close determining unit (41) that determines that the cutoff switch (32) is opened; and a recording prohibiting unit (22) configure to prohibit, in a case where the cutoff switch (32) is determined to be opened by the open/close determining unit (41), the failure recording unit (21) from determining and recording the failure.

The invention discloses an ultraviolet intercepting thermoplastic polyolefin elastomer coating and application thereof. The ultraviolet intercepting thermoplastic polyolefin elastomer coating comprises, by weight part, 87%-99.2% of thermoplastic polyolefin elastomer granule, 0.1%-1% of phenol antioxidant, 0.1%-1% of phosphite ester antioxidant, 0.1%-1% of sulfoether antioxidant, 0.1%-0.6% of nanoparticle filler, 0.1%-1% of polymer silane coupling agent, 0.1%-1% of organic ultraviolet absorbent, 0.1%-1% of inorganic ultraviolet absorbent and 0.1%-1% of light stabilizer. The ultraviolet intercepting thermoplastic polyolefin elastomer coating has the advantages of good ultraviolet absorbing effect, lower lamination temperature, short lamination time and the like, the production energy consumption and cost of photovoltaic assemblies are reduced, the production efficiency is improved, and the coating can be applied to the bonding of battery sheets and back panels of photovoltaic batteries.

The invention discloses a low-flow expiration cut-off device. The low-flow expiration cut-off device comprises a two-position two-way electromagnetic valve which is installed on an electromagnetic valve base, a porthole of the two-position two-way electromagnetic valve is connected to one end of a connection pipe, and the other end of the connection pipe is connected to an expiration mechanism ofa ventilator. The cut-off function of an experimental device, namely the small animal ventilator, is achieved in an expiration loop through the two-position two-way electromagnetic valve, the electromagnetic valve is quick in response, the positive end-expiratory pressure of the small animal ventilator can be quickly and efficiently controlled, the low-flow expiration cut-off device is excellent in cut-off performance, quick in response and simple in structure, the problems that a traditional pinch valve type expiration cut-off device is high in pipeline aging speed and short in maintenance period and easily causes harm to an experiment object are solved, and the device is long in service life, high in safety performance, and capable of being widely used in the field of biological experiments of scientific research institutions and colleges and universities.

The invention belongs to the technical field of heat dissipation cooling, and particularly relates to an electronic device water cooling system drive pump. A pump cover and a pump body are provided with inlet and outlet valves composed of butterfly valves. The pump cover is arranged on the pump body. Energy converters are in pressing joint in body cavities of the pump body through pump cover bodytables and seal rings. Each energy converter is composed of an elastic ring and piezoelectric vibrators pasted to the two sides of the elastic ring, wherein each piezoelectric vibrator is formed by pasting a base plate and a piezoelectric plate. Upper pump cavities are formed by the energy converters, the seal rings and the pump cover, lower pump cavities are formed by the energy converters, the seal rings and the pump body, and the upper pump cavities connected in parallel and the lower pump cavities connected in parallel are connected in series. At least one piezoelectric vibrator comprisesa driver and a sensor, a power source outputs the same direct current drive voltage signals to the piezoelectric vibrators and the driver, sensing voltage signals generated by the sensor are utilizedfor judging the piezoelectric vibrator deformation state, and when the sensing voltage reaches the extreme value, the drive voltage of the power source and the piezoelectric vibrator deformation direction are reversed, and piezoelectric vibrator reciprocated bending vibration and fluid one-way flowing are formed through alternated reversing of the drive voltage.

A nozzle with an electric arc-blast having a median part of a first dielectric material and two end parts. The nozzle includes an insert of a second dielectric material, chosen from among:

The invention relates to a piezoelectric pump with spiral-line-shaped valves. The piezoelectric pump comprises a piezoelectric vibrator (1), a pump cover (2), a valve base (3), screws (4), a pump base (6), a sealing ring (7), a sealing ring (8) and a screw (9). The pump cover (2) is arranged at the top of the pump base (6). The valve base (3) is arranged at the upper end of the pump base (6). The sealing ring (7) is arranged between the valve base (3) and the pump base (6). The sealing ring (8) is arranged between the valve base (3) and the pump cover (2). The piezoelectric vibrator (1) is arranged at the top of the valve base (3) and arranged between the valve base (3) and the pump cover (2). The piezoelectric vibrator (1) is fixedly connected with the pump cover (2), the valve base (3) and the pump base (6) through the screw (9). A pair of spiral-line-shaped one-way valves (5) inverted to each other is mounted at an inlet and an outlet of the valve base (3) through the screws (4). The piezoelectric pump is simple in structure and low in cost, and can be effectively turned on and off.