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383results about How to "Realize thinner and lighter" patented technology

Large-size direct type LED backlight source and preparation method

The invention discloses a large-size direct type LED backlight source and a preparation method. The backlight source structure comprises an edge emission type LED, a metal basal plate and a lower wall casing; the edge emission type LED comprises a conical half-reflecting semi-permeable mirror, an LED chip, packaging resin and an LED lamp holder; a plurality of light reflecting bowls are punched on the metal basal plate and are evenly distributed on the metal basal plate, the lower wall casing is in a frame-shaped structure and is arranged at the lower end of the metal basal plate, a hollow cavity is formed between the lower wall casing and the metal basal plate, the lower surface of the metal basal plate and the upper surface of the lower wall casing are provided with fine structures in the hollow cavity, fine structures at the lower ends of the light reflecting bowls are connected with the fine structure at the upper surface of the lower wall casing, and a liquid absorption core is formed; and support columns are arranged between the adjacent light reflecting bowls, have equal heights with the light reflecting bowls and are connected with the fine structure at the upper surface of the lower wall casing, and a liquid absorption core is formed. The invention provides an LED backlight source structure compromising the performance and the energy consumption under the precondition of low cost and realizing the lightness and the thinness of a large-size LED and a manufacturing process.
Owner:SOUTH CHINA UNIV OF TECH

Flexible conductive composite fabric, and preparation and application thereof

The invention relates to a flexible conductive composite fabric, and preparation and application thereof. The flexible conductive composite fabric comprises a conductive composite film (1), a base fabric (2) and an adhesive (3), wherein the base fabric (2) is adhered on the upper and lower surfaces of the conductive composite film through the adhesive (3); and two ends of the conductive composite film (1) are respectively adhered with an electrode. The flexible conductive composite fabric is prepared through the following steps: impregnating a carbon nanotube thin film in a graphene suspension, then taking the carbon nanotube thin film out of the graphene suspension, and carrying out drying in the air so as to obtain a carbon nanotube/graphene composite film; allowing a polyaniline nanowire array to grow in situ on the surface of the carbon nanotube/graphene composite film so as to obtain a carbon nanotube/graphene/polyaniline composite film; and respectively adhering an electrode at two ends of the composite film, coating the base fabric on the upper and lower surfaces of the composite film through the adhesive, and carrying out curing so as to obtain the flexible conductive composite fabric. The prepared conductive fabric provided by the invention has good conductivity, can reach 103 S/m to 105 S/m, can bear a certain degree of bending and compressive deformation, and is extensively applied in the fields of intelligent textile structures and intelligent materials.
Owner:DONGHUA UNIV

Display panel, display device, and method for manufacturing display panel

The embodiment of the invention discloses a display panel, a display device and a manufacturing method of the display panel. The display panel comprises a supporting substrate, an organic light emitting panel and a plurality of micro LEDs. the supporting substrate comprises a first display area and a second display area, the second display area is multiplexed into a sensor reserved area, and the second display area comprises a light transmission area and a light emitting area; the organic light-emitting panel is positioned in the first display area; the organic light emitting panel includes aplurality of organic light emitting units; the organic light-emitting panel comprises a preset hollow structure, wherein the preset hollow structure is consistent with the shape and the size of a sensor reserved area; the micro LEDs and the organic light-emitting panel are positioned on the same side of the supporting substrate, and the micro LEDs are positioned in the light-emitting area of the second display area. The display panel can realize the combination of the organic light-emitting unit and the Micro LED, does not need to add an additional film layer structure, is beneficial to simplifying the film layer structure of the display panel, and is beneficial to realizing the lightness and thinness of the display panel.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Hydraulically-driven roadblock machine

The invention discloses a hydraulically-driven roadblock machine, which comprises a base, a cover plate and a hydraulic driving device. The cover plate is installed on the base. The hydraulic driving device is coupled on the cover plate and comprises a hydraulic source, a transmission mechanism, a rolling shaft, an inclined block, a cover plate supporting rod and an elastic piece. One end of the cover plate is fixedly hinged on the base. The hydraulic source is coupled to the rolling shaft through the transmission mechanism. The rolling shaft is arranged in a way that the rolling shaft can be driven by the transmission mechanism and can roll on the inclined block to move up, wherein the upwards moving direction faces towards one side of the fixed end of the cover plate. The elastic piece is arranged in a way that the elastic piece can transmit force to the rolling shaft to enable the rolling shaft to be restored downwards along the inclined block when the hydraulic source is turned off. The first end of the cover plate supporting rod is hinged on the rolling shaft. The second end of the cover plate supporting rod is hinged on the internal side of the cover plate. The hydraulically-driven roadblock machine provided by the invention ahs the advantages of compact and ingenious structure, small size, light weight, small thickness and wide application scope.

Multilayered structure integrated filter antenna based on filter Balun

The invention discloses a multilayered structure integrated filter antenna based on a filter Balun, and mainly solves the problem that the volume of the filter antenna of a traditional monolayer micro-strip structure is larger. The multilayered structure integrated filter comprises a dielectric substrate, a filter part and a radiation unit, wherein the dielectric substrate comprises two micro-strip dielectric substrates and a metal ground; the filter part comprises an input port, the filter Balun positioned on the left sides of the dielectric substrates and two output ports connected with thefiler part; the filter Balun comprises two face-to-face C-shaped second-order stepped impedance resonators etched on the upper dielectric substrate and two back-to-back C-shaped second-order stepped impedance resonators etched on the upper surface of the lower dielectric substrate; the radiation unit is etched on the upper surface of the upper dielectric substrate, and comprises two micro-strip lines, two butterfly printing dipoles and a director. The multilayered structure integrated filter antenna has the advantages of compact structure, wide bandwidth, high frequency edge selectivity and good out-of-band rejection, and can be used for the radio frequency front end of a wireless communication system.
Owner:XIDIAN UNIV

Terminal multiplex circuit and multimedia terminal equipment

The invention discloses a terminal multiplex circuit which comprises an AV (audio video)-OUT terminal, an isolation and integration module, a master controller and a channel switching module. The isolation and integration module detects a state of the AV-OUT terminal and outputs detection signals, and the master controller identifies the state of the AV-OUT terminal according to the detection signals and outputs switching control signals, so that serial signal channels or audio signal channels can be gated by the channel switching module under the control of the master controller, and serial signals or audio signals can be transmitted via the AV-OUT terminal. The invention further discloses multimedia terminal equipment. The multimedia terminal equipment comprises the terminal multiplex circuit. The terminal multiplex circuit and the multimedia terminal equipment have the advantages that the AV-OUT terminal not only can be used as a normal AV-OUT terminal, but also can be used as a serial debugging interface, accordingly, the serial signals and the audio signals in the multimedia terminal equipment can be transmitted by the AV-OUT terminal in a shared manner, usage of functional terminals can be reduced, the multimedia terminal equipment can be lightened and thinned, and the design cost can be lowered.
Owner:创维集团智能科技有限公司

Mobile phone card holder capable of identifying three cards simultaneously

The invention discloses a mobile phone card holder capable of identifying three cards simultaneously. A rotating shaft, a first elastic sheet installation hole and a second elastic sheet installation hole are arranged on a protruding area of a fixing insulating plastic cement layer; a third elastic sheet installation hole is arranged on a recessed area of the fixing insulating plastic cement layer; a first Micro-SIM card contact elastic sheet, a TF card contact elastic sheet and a second Micro-SIM card contact elastic sheet are arranged in the first elastic sheet installation hole, the second elastic sheet installation hole and the third elastic sheet installation hole respectively; the top of the first Micro-SIM card contact elastic sheet and the top of the TF card contact elastic sheet are both arranged in a first card slot of a card support; the top of the second Micro-SIM card contact elastic sheet extends into a second card slot of the card support; a micro switch is arranged in the first card slot; and the micro switch and a limiting elastic sheet form a loop. The mobile phone card holder provided by the invention can identify three cards simultaneously, and therefore, the inner installation space of the mobile phone card holder can be fully utilized, and the overall thickness of the mobile phone card holder will not be increased.
Owner:鸿日达科技股份有限公司
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