68results about How to "Save light source" patented technology

The invention discloses a polymerizable type thioxanthone visible light initiator containing acrylate or methacrylate and a preparation method of the polymerizable type thioxanthone visible light initiator. Thioxanthone containing an aromatic amino group can be directly reacted with various types of halogenated alcohol to generate thioxanthone containing an aliphatic hydroxyl group; the thioxanthone containing the aromatic amino group can also be reacted with 4-benzoyloxy benzyl chloride, and then is subjected to alcoholysis to generate thioxanthone containing a phenolic hydroxyl group; the thioxanthone containing the phenolic hydroxyl group can be reacted with the various types of halogenated alcohol to generate thioxanthone containing the aliphatic hydroxyl group; then the thioxanthone containing the phenolic hydroxyl group or the thioxanthone containing the aliphatic hydroxyl group is reacted with acryloyl chloride or methacryloyl chloride to form the polymerizable type thioxanthone visible light initiator containing an acrylate structure or a methacrylate structure. The compound disclosed by the invention has very good compatibility with a light curing system; in an application process, any additive does not need to be added, and any auxiliary agent does not need to be added; the polymerizable type thioxanthone visible light initiator is high in initiation efficiency, green and environment-friendly and low in energy consumption, meets the requirements of green chemistry, and has a wide application prospect in the field of visible light curing.

A display method by reflection is provided, which is to control and change the reflection characteristic of the display body to the ambient light to realize the image display which requires control system, controlled light transmission body and reflector. A reflective display designed by the method is also disclosed by the invention. Compared with the prior art, the method to reflect display of the invention is to display image by ambient light, which saves the light source needed by display body, energy-saving and environment-friendly. The image watched by the audience is just like to be viewed through glass, natural and real; since no luminous body is required, the invention can be lighter and thinner.

The invention aims to provide a printed matter checking device for preventing the single sheet from jiggling while photographing for checking the printed matter. In the device of the invention, a photographing unit is equipped for photographing the checked surface of the printed matter, a first blowing unit 4 for blowing air from the upper front direction of the conveying and a second blowing unit 5 for blowing air from the upper rear direction of the conveying are disposed on the photographed position, and an air absorbing unit 6 is disposed upon the checking position between the two blowing units for absorbing at least the air from the first unit 4 and the second unit 5.

The invention discloses a display refrigerator with a transparent display screen, which solves the technical problem of high integral energy consumption in the existing display refrigerator with the transparent display screen. The display refrigerator comprises a transparent door body, wherein the transparent door body at least consists of an outer transparent layer and an inner transparent layer; the outer transparent layer is kept away from a refrigerator box, and the inner transparent layer corresponds to the outer transparent layer; a cavity is formed between the outer transparent layer and the inner transparent layer; the transparent display screen is arranged in the cavity; a light source is arranged at the side of the transparent display screen, and the light emitting direction of the light source faces the refrigerator box. The display refrigerator has the advantages that the light source of the display objects in the refrigerator and the light source of the transparent display screen can be provided by only one group of light source, so that the integral energy consumption of the display refrigerator with the transparent display screen is decreased, the heat emitted by the light source in the refrigerator box is reduced, and the consumption of cold is reduced in the refrigerating circulation design; the light source in the transparent door body can provide a heat source for removing fog and dew of the door body, so that the condensate of the transparent door body of the refrigerator caused by cold and heat temperature difference of the interior and exterior of the refrigerator box is effectively reduced.

The invention relates to a method and a device for drying a printing ink layer of a corrugated board. The method is to directly irradiate the corrugated board with infrared rays, and the lengthwise direction of light tubes emitting the infrared rays is parallel to the direction in which the corrugated board advances. A plurality of infrared light tubes are arranged parallelly in group, each and each group of the infrared light tubes can be controlled independently. The device is arranged on a corrugated board conveying device, and the lengthwise direction of the infrared light tubes is consistent with the direction in which the corrugated board conveying device advances. Each infrared light tube is provided with a reflecting protective cover for reflecting the light emitted by the infrared light tube onto the corrugated board or protecting the corrugated board from the light emitted by the infrared light tube. The protective cover is arranged in a mode of automatically-controlled motion. The invention prolongs the time of the irradiation of corrugated board by light emitted by each light tube and improves efficiency. Light tubes in areas not to be dried can be turned off to save energy. In case of sudden vehicle stop, the rays are prevented from irradiating the corrugated board so as to avoid fire.

The present invention discloses anti-aliasing imaging element, photosensitive module and display module preparation methods. The anti-aliasing imaging element preparation method comprises: forming a light-absorbing layer and a transparent supporting layer that are alternately arranged in a stacked manner on a carrier, wherein the light-absorbing layer comprises a plurality of light-absorbing blocks arranged at intervals, and a region corresponding to the interval between the light-absorbing blocks is a first light-transmitting region. The photosensitive module preparation method comprises: providing a photosensitive device and an anti-aliasing element prepared by the anti-aliasing imaging element preparation method, and fixing the anti-aliasing imaging element on the photosensitive device.The display module manufacturing method comprises: providing a display device and the photosensitive module prepared by the photosensitive module preparation method, and assembling the photosensitivemodule and the display device.

The invention relates to the field of a magnetic field device for atom transfer and particularly relates to a magnetic field device for transferring cold atoms at a long distance. A pushing coil is used to generate pushing magnetic fields for transferring the cold atoms to a high vacuum chamber at the other side from a low vacuum chamber at one side; an MOT (multiplex output terminal) coil is arranged for imprisoning the cold atoms; a transfer coil is arranged for keeping the cold atoms unexpanded and keeping the volume unchanged in a process of controlling the cold atoms to transfer. According to the magnetic field device disclosed by the invention, the transferring of cold atoms is realized through a method of applying magnetic fields, so that an experimental device can be simplified to a great extent, a heating effect of atoms in the transfer process can be lowered, and the transfer efficiency can be improved. Moreover, the magnetic field device is simple in structure, convenient to operate, and of great popularization value.

The invention discloses a virtual pixel multiplexing control method of a display panel, and belongs to the technical field of LED display panel control. The virtual pixel multiplexing control method solves the problems that an existing virtual pixel multiplexing control method causes image distortion due to large gray loss and is difficult to implement. A red chip, a green chip and a blue chip serve as a pixel unit, and the pixel unit is arranged in an inverted triangle and regular triangle alternate arrangement mode. According to the control mode, display of a frame of picture is completed through line-by-line scanning, and three-time and six-time multiplexing of virtual pixels is achieved. The method is suitable for the technical field of LED display panel control, and different virtual pixel multiplexing display effects are obtained through different line scanning processing modes of the display panel.

The invention provides a vehicle-mounted high beam weakening system. An LED video glass is mounted on a vehicle front windshield and used for adjusting light intensity of the vehicle front windshield;and a main control device receives signals, which are transmitted by a light intensity monitoring device and a human eye positioning device, calculates a distance from a light source to the light intensity monitoring device and a distance from the human eye positioning device to a human face, calculates an included angle between the human eye positioning device and the light intensity monitoringdevice by using the distance from the light source to the light intensity monitoring device and the distance from the human eye positioning device to the human face, and then determines a distance from the light source to the human face to obtain the position of the light source on the vehicle front windshield, and controls the LED video glass to change color at a light source irradiated part so as to achieve an effect of reducing the intensity of the light source. The vehicle-mounted high beam weakening system has the advantages that the darkness of one parts, corresponding to human pupils, on the LED video glass is opened by using the light intensity received by human eyes so as to achieve a purpose of weakening the light source; and through pupil monitoring, whether a high beam directlyirradiates the eyes or not is effectively judged.

The invention relates to a vehicle headlight (1) including: a main lighting module (2) arranged to emit a main light beam (31, 41, 51, 61) corresponding to a low-beam/high-beam headlight ; a plurality of complementary lighting modules (3, 3', 3") arranged such as to each emit a complementary light beam (32, 33, 34, 42, 43, 44, 52, 53, 54, 62, 63, 64) separate from said main light beam; an adjustment means (4) for adjusting the elevation and azimuth of each of said lighting modules (2, 3, 3', 3"); and a control unit, characterised in that said means for adjusting the elevation and azimuth is arranged such as to adjust the elevation and the azimuth of each of said lighting modules independently of one another in response to an order from said control unit.

The invention discloses an anti-reflection device for education and teaching, and belongs to the technical field of anti-reflection devices for teaching. The anti-reflection device comprises a shell, a blackboard is arranged in the shell, a frame is arranged at the sides of the blackboard, sliding blocks are arranged at the two sides and the upper end of the frame, and sliding rails corresponding to the sliding blocks are arranged on the inner side wall of the shell. According to the anti-reflection device, a shading plate is arranged, when sunlight is strong, the shading plate is erected, and fixing clamping rods are rotated to be clamped into clamping grooves of clamping blocks to form fixing, so that fixing is easy, convenient and fast, and light reflection of the blackboard disappears; however, after the shading plate is erected, light of the blackboard is insufficient, and the condition that the blackboard cannot be seen clearly exists; an LED lamp is used for increasing the brightness of the blackboard and can be used when the blackboard cannot be see clearly and can also reinforce light when a light source is insufficient at night; and a solar panel collects solar energy, converts the solar energy into electric energy and provides sufficient electric energy for the LED lamp, so that the purpose of saving energy is achieved.