135results about How to "Progress is suitable for" patented technology

The invention relates to a LCD and the backlight module thereof. And the LCD comprises a backlight module and a LCD panel, the backlight module comprises a first light source, a first lighting cavity, at least a first optical fiber and a first light guide plate; the first lighting cavity has a first orifice, the first light source is held in the first lighting cavity; one end of the first optical fiber is connected with the first orifice; the first light guide plate is arranged at the other end of the optical fiber; and the LCD panel is adjacent to one side of the first light guide plate.

The utility model relates to a stereo projection system and polarizing color wheel. The polarizing color wheel comprises a glass body, a polarizing layer and a filtering layer, the polarizing layer is arranged at the glass body, the filtering layer is arranged at the glass body. The stereo projection system comprises a light source which emits light line; a filtering color wheel which is adjacently arranged at the light source, the light line passes through the filtering color wheel; a polarizing color wheel which is adjacently arranged at the filtering color wheel, the light line passes through the polarizing color wheel; and a screen which is adjacently arranged at the polarizing color wheel, the light line passes through the filtering color wheel and the polarizing color wheel, and is imaged on the screen. The utility model has the advantages of cost and space saving.

The invention relates to a method for preparing photocatalyst nanometer wood-plastic boards. The method comprises the following steps: a) 50 to 100 portions by weight of wood meal and 2 to 4 portions by weight of aluminum-zirconium treatment agent are added in turn to a horizontal stirrer and stirred for 2 to 3 hours at a temperature between 100 and 120 DEG C; b) the treated wood meal and resin are put into a high-speed kneader in the mass ratio of 1:2, mixed with 7 to 40 portions by weight of additive, and are stirred for 10 to 15 minutes at the temperature between 100 and 120 DEG C, unloaded to a low-speed mixer and stirred to normal temperature; c) the mixed materials are put into a board extrusion device and subjected to vacuum and cooling setting and two-roller calendering setting so as to product a board, and the board is cut with fixed-length; and d) the surface of the board is sprayed with a layer of photocatalyst nanometer material, so as to obtain a finished product. The method has the advantages of low cost, extensive resource and good decorative effect, and more importantly, the method can utilize natural light to sterilize, thereby achieving the effect of purifying air.

The invention relates to a semiconductor encapsulation construct with a base plate identification code and a manufacturing method thereof. The lower surface of a base plate is formed with a circuit layer and a welding cover layer which roughly covers the circuit layer and a non circuit area. A wafer is arranged on the upper surface of the base plate. The base plate identification code escapes the circuit layer, is formed on the welding cover layer of the base plate or an adhesive body by laser marking and is used for marking product batch of the base plate. Therefore, the product batch can be traced by the encapsulation construct, and the encapsulation construct can be used for quality control and abnormal tracing while the appearance is not needed to be changed. In addition, the base plate identification code can be formed by utilizing the existing laser marking board for semiconductor encapsulation and the laser marking, thus being convenient for manufacture and not damaging the circuit layer of the base plate.

The invention relates to a flooded water chiller, comprising a compressor, a condenser, a control valve for refrigerant flow, an evaporator and a controller. The compressor comprises a temperature detector and there is a pressure detector on the condenser. The control valve for refrigerant flow is connected between the condenser and the evaporator for controlling refrigerant flow entering into the evaporator. The controller obtains a target output temperature of compressor according to the calculation of condensing pressure value and the target output temperature of compressor is compared with the actual temperature of compressor measured by the temperature detector on the compressor to determine opening degree of the control valve of refrigerant flow. In addition, a control method for refrigerant liquid level of flooded water chiller evaporator is disclosed at the same time.

The invention relates to a method for preparing an electromagnetic shielding wooden plate. The method comprises the following steps: (1) preparing a base material according to the mass ratio of 1:1-1:2 of a wood powder and a graphite powder, mixing in a mixer, adding magnetic particles accounting for 0.5%-1% of the mass of the graphite powder, agitating and heating to 100-120 DEG C; (2) adding a finishing agent accounting for 0.5%-1.4% of the amount of the base material, and a resin which is 1.67-2.5 times of the amount of the base material in the mixer, mixing for 8-15 minutes, discharging the material and feeding the material to a cool mixer, mixing to the normal temperature, and granulating; and (3) cutting, packaging and measuring the shielding factors after the granulated materials enter a plate extrusion device for formation. The invention has the advantages of low cost, wide resource, low density, high electromagnetic shielding capacity in an ultra wideband range, and higher electromagnetic wave absorption capacity.

The present invention relates to an air conditioner and its control method. Said air conditioner includes outdoor machine controller; indoor machine controller which uses the power supply capable of providing power supply for outdoor machine controller as object and can generate switching-on on switching-off signal; and relay portion for switching on or switching off the power supply capable of providing power supply for outdoor machine controller according to the described switching-on or switching-off signal. Besides, said invention also provides the concrete steps of said control method.

The present invention relates to an air conditioner electronic expansion valve control method. It is characterized by that it can utilize temperature variable quantity of compressor and condenser to regulate opening angle of electronic expansion valve. Besides, said invention also provides the concrete steps of said control method.

The invention provides a lens and a light source device with the lens; wherein, the lens which is used for receiving light rays given out by a luminous semiconductor component comprises a bottom surface, a top surface and a side surface; the bottom surface is opposite to the luminous semiconductor component to receive light rays; the top surface is reversed to the bottom surface and comprises a rough surface structure which causes part of light rays which go through the bottom surface and is incident to the top surface instead of going to the right above of the top surface; the side surface extends to the peripheral part of the bottom surface form the peripheral part of the top surface and the light rays which go through the bottom surface and are incident to the side surface are irradiated out of the lens; the shape of the lens is gradually enlarged from the junction of the top surface and the side surface to the direction of the bottom surface; a projection of the section at the upper part of the lens falls into the scope of the section of the lower part of the lens. The lens and the light source device can cause intensity of light rays given out by the luminous semiconductor component to be distributed evenly and therefore light fields with even distribution of the light intensity can be obtained on an exit aperture.

The invention relates to a discharge plasma diffusion welding manufacture method for Laval nozzles and belongs to the welding field. The method comprises the steps of (1) blanking, (2) machine shaping, wherein the welding position roughness <= 1.6 micrometers; (3) chemical degreasing and surface oxide removing; (4) drying, which is performed in a drying box of an air blower; (5) assembly; (6) discharge plasma diffusion welding; (7) finish turning. The method has the advantages that the process problem of discharge plasma diffusion welding of or Laval nozzle components is solved, and a positive role is played in the promotion and application of the diffusion welding of the Laval nozzle components in spacecrafts; the welded rate is high, and the joint strength is identical to the strength of base materials; the member deformation is small, the size accuracy is high, and product design requirements can be met; the method is free of environmental pollution and capable of being automated easily.

The invention relates to a control device capable of automatically regulating the height of the vehicle head lamp. The control device comprises a road condition detection unit and an actuating unit; wherein, the road condition detection unit comprises an acceleration sensor and a microprocessor connected with the acceleration sensor. The acceleration sensor is capable of sending the relative angle between the acceleration sensor and the gravitational field into the microprocessor to get the incline angle of the vehicle, limiting the height of the vehicle head lamp according to the ex-works regulation and cooperating to drive the actuating unit to regulate the vehicle head lamp, so as to keep the illumination scope and enhance the driving security during night.

The invention relates to a flat nozzle and chip-pick and -place machine and semiconductor test method. The flat nozzle is arranged at the chip-pick and -place machine for picking and placing semiconductor chips which have a plurality of electro-conductive projections, the flat nozzle comprises a nozzle body, at least one gas channel and a contacting portion, the gas channel has an opening on the contacting portion for adsorbing semiconductor chips, the contacting portion can cross a plurality of electro-conductive projections on the chips, the chip-pick and -place machine comprises a mechanical arm and at least one flat nozzle sleeved at the machine arm to pick and place the semiconductor chips with a plurality of electro-conductive projections, and the semiconductor test method is characterized in that a semiconductor chip is absorbed by the flat nozzle and the semiconductor chip is placed in a box disc. The invention can not only avoid from scoring chip projections, but also the chip design cannot waste the limited area of chips due to the restricted picking and placing, which can be extensively applied to various chips and various semiconductor seal-measure methods and reduce the scoring of chips when in picking and placing.

The invention relates to a capacitor and particularly relates to an electronic tube plate electrode blocking capacitor which is used for an electronic tube plate electrode of high-frequency high-power transmission equipment. The electronic tube plate electrode blocking capacitor comprises a polytetrafluoroethylene barrel, inner and outer polar plates arranged on the inner and outer surfaces of the polytetrafluoroethylene barrel, a connection corner and a connection plate which are welded on the polar plate on the outer surface, an annular contact reed which is electrically connected with the electronic tube plate electrode and is arranged on the inner polar plate, and a cooling air pipe arranged under the polytetrafluoroethylene barrel, wherein the inner polar plate is a thin-wall metal inner barrel, and the thin-wall metal inner barrel used as the inner polar plate is combined with the polytetrafluoroethylene barrel through interference fit; the outer polar plate is a thin-wall metal outer barrel; and the thin-wall metal outer barrel used as the outer polar plate is combined with the polytetrafluoroethylene barrel through interference fit, and circular-arc-shaped corona rings are arranged at the two ends of the thin-wall metal outer barrel used as the outer polar plate. With the adoption of the electronic tube plate electrode blocking capacitor, the problem that the connection corner and a connection plate lamp are welded on the polar plates so that the insulation performance of part of the polytetrafluoroethylene barrel is reduced is solved.

The invention related to photoresist material for microimage pattern and method of forming integrated circuit pattern, the photoresist material includes a first material, and a second material dispersed in the first material. The second material is capable of diffusing to a top surface of the photoresist material, and has an etch rate different from that of the first material. The forming method of integrated circuit pattern includes at least: a lower layer formed on a substrate; a patterning photoresist layer formed on the lower layer; a top part using the patterning photoresist layer to etch the lower part; and a main part using the top part to etch the lower part.

The invention relates an electronic unit which has a magnetic-pole-variable lead connector, comprising a joint body, two magnetic-pole-variable magnets and magnetic-pole control element. The magnetic-pole-variable magnets are arranged on the two sides of the joint body respectively, and can move between a first position and a second position. The magnetic-pole control unit can be electrically connected with the magnetic-pole-variable magnets; wherein, the magnetic-pole control unit controls the polarities of the magnetic-pole-variable elements and adsorbs or repulses a connection part; thereby, the joint body is lead into the connection part or separated from the connection part.

The invention relates to a polylactic acid bonding plate and a preparation method thereof. The polylactic acid bonding plate comprises a polylactic acid plate and a polylactic acid film; the polylactic film is processed and bonded to the surface of the polylactic acid plate. The preparation method of the polylactic acid bonding plate comprises the steps as follows: forming the polylactic acid plate and the polylactic film; leading the polylactic film to be bonded to at least one surface of the polylactic plate by the temperature, at which the polylactic film can be melted and softened. The polylactic acid bonding plate and the preparation method of the invention can improve the shortage that the existing plastic plate does not comply with the environmental protection requirement.

The invention relates to a chip-on-film package configuration for preventing the thin film from forming adhesive bubbles due to recess, which mainly comprises a circuit film, a plurality of non-conductor spacer blocks, a bumped chip and a dispensing adhesive. A plurality of chip bumps are a plurality of inner pins bonded in a chip bonding region defined by the circuit film. The non-conductor spacer blocks can be arranged in the chip bonding region of the circuit film or between bumps on the chip. During chip bonding, the recess caused by the circuit film does not directly contact the chip, the non-conductor spacer blocks thereby provide an adhesive gap and the dispensing adhesive flows to fill the gap between the circuit film and the chip, thus preventing the thin film from forming bubbles.

The invention relates to a color block group and an optical device, wherein, the color block group is fixed on a frame via a fixing element, comprising a motor, a filter element, a buffer element, and a positioning element, the positioning element is provided with a first hole, one side of the motor is axially arranged on the positioning element, the filter element is at another side of the motor, the buffer element is through the first hole, and the fixing element is through the buffer element to fix the positioning element and the frame. the invention comprises the buffer element or the buffer element group, passes the fixing element group through the buffer element to lock the positioning element and the frame, or passes the fixing element through the buffer element to fix the positioning element with the frame, therefore, the invention uses the buffer material to absorb and baffle the vibration generated by the motor and uses the fixing element or the positioning element to avoid transmitting the vibration to the frame via the fixing element. Therefore, the frame can avoid noise effectively, and the invention can improve the stability of the color block group and the optical elements in the frame, to improve service life.

The invention relates to a light transmittance inductive electronic device aperture shutter device and a camera. The light transmittance inductive electronic device aperture shutter device comprises an operation and control element, a light metering element and a light transmittance inductive material and is used to control the brightness and transmittance time of the light transmittance inductive material to provide aperture and shutter effect; the light transmittance inductive electronic device aperture shutter device also comprises a control unit which controls the motion of the light transmittance inductive material through the light entering amount measured by the light metering element and / or through the signal of the operation and control element. The camera comprises a lens, an imaging device and a light transmittance inductive electronic device aperture shutter device and controls the image light source from the lens to be imaged on the imaging device. Through a light transmittance inductive electronic device aperture shutter, the invention controls the exposure time and the light entering amount so as to achieve the aperture shutter effect. As the number of components is reduced, the size of the lens can be reduced, and the camera can be lighter, thinner, shorter and smaller; the aperture shutter controls the light entering amount through the overall brightness of the light transmittance inductive electronic material, namely, the light transmittance, so that the operation is simple and easy.

The invention relates to an antenna device, comprising an auxiliary connection unit, a rotating connection part, an antenna body and a shell. The auxiliary connection unit is provided with a pipe part and a plurality of claw parts, wherein the pipe part is provided with a first end and a second end, the claw parts are extended and arranged on the first end of the pipe part; the rotating connection unit is provided with a pole part and a ball part, wherein the pole part is provided with a third end which is connected with the ball part which has one part held by the claw parts; the antenna body is at least provided with a radiation part and an elastic part which is provided with a forth end and a fifth end, with the forth end being connected with the radiation part, and is inserted into the pipe part to press the fifth end of the elastic part to be connected with the ball part; the shell is provided with a receiving space and an opening, with the receiving space accommodating the antenna body, the auxiliary unit and the rotating connection unit; one part of the pole part is extended out of the shell through the opening. The antenna device of the invention is not susceptible to damages and low in cost.

The invention relates to a lens driving device applying electromagnetic thrust force, which comprises a stand body, a sleeve, a lens clamping part, a lens, a push plate, a plurality of electromagnets and an elastic element, wherein the sleeve and the stand body are combined and fixed so that the sleeve can be rotated on the stand body, and the sleeve is provided with a first pushing mechanism; the lens clamping part is provided with a second pushing mechanism and connected with the sleeve by the second pushing mechanism and the first pushing mechanism; the lens is combined and fixed in the lens clamping part; the push pate is positioned on the outer wall of the sleeve; the electromagnets are respectively arranged on the stand body and the push plate, and the elastic element is connected with the sleeve and the stand body. By means of the repulsion force or the suction force in the magnetic field formed by electrifying the electromagnets, the sleeve is pushed to rotate, and the second pushing mechanism is actuated by the first pushing mechanism to drive the lens clamping part to move between a fist position and a second position. The invention is convenient for the miniaturization and the simplification of a lens module and can improve the probability of mass production.

The invention discloses a nut body device with a loose prevention structure, which is provided with a nut body with inside threads penetrated on a concentric circle relative to a vertical central line, wherein a flat groove structure is formed above the horizontal central line of the nut body and in a position from one side of the nut body to the other side of the nut body beyond the vertical central line of the inside threads. An inclined plane tilting an angle of between 1 degree and 5 degrees relative to the horizontal plane is designed on the bottom surface of the nut body. The nut body device has the same shape as the prior hexagonal nut and can be used singly, and when the nut body device is connected with a bolt, a complicated tool and a procedural fastening method are not needed. The aim of the invention is to provide a nut body device which cannot become loose even affected by additional vibrations and is easy to produce, and to provide a function for preventing falling off.

The invention relates to a portable device and a sensing information application method thereof. The portable device comprises a plurality of modules and a processing module, wherein a sensing module senses the state around the portable device to generate sensing information, and the processing module executes at least one corresponding action mode according to the sensing information. The sensing information application method of the portable device is also disclosed. The portable device executes multiple action modes by integrating and processing the pluralities of sensing information, thereby promoting product performance and competitiveness.

A power metal-oxide semiconductor device provides an P-type base region that includes the N+ device source and is biased differently than the P-type substrate by application of an electrical load. In one embodiment, an LDMOS device with a NPN configuration is used but the coupling of the device source to the base contact prevents the NPN parasitic device from operating. The P-type base is formed in an N-well that separates the base from the P-type substrate and surrounding P-wells. Vertical punch-through is prevented by a high-impurity N+ buried layer that separates the N-well from the P-type substrate.

The invention relates to a flexible display device which comprises a flexible display panel and a flexible circuit board. The flexible display panel comprises a display body and a peripheral circuit, the peripheral circuit is connected to the edge of the display body and the flexible circuit board is connected with the peripheral circuit. The flexible circuit board comprises a first part and a second part, the first part is connected between the peripheral circuit and the second part, and the thickness of the first part is less than that of the second part. In addition, the invention also provides another flexible display device which comprises a flexible display panel, a flexible circuit board and a frame group, wherein the flexible display panel comprises a display body and a peripheral circuit, and the peripheral circuit is connected to the edge of the display body; the flexible circuit board is connected with the peripheral circuit, and the flexible circuit board is provided with a positioning hole; the frame group comprises a first frame and a second frame, the first frame supports the flexible display panel, the second frame is assembled with the fist frame to cover the peripheral circuit and expose the display body, and the frame group is provided with a positioning unit suitable to pass through the positioning hole.

The invention discloses an anti-counterfeiting seal and a read-write method thereof. The anti-counterfeiting seal comprises an anti-counterfeiting seal body, a seal surface which is fixedly connected with the anti-counterfeiting seal body, an electronic tag and a holding part which is used for placing the electronic tag. The write-in method of the seal information of the anti-counterfeiting seal includes the following steps: a reader tests whether the writing code of the electronic tag is a correct writing code; if the writing code is correct, the seal information is written in the electronic tag. The read-out method of the seal information of the anti-counterfeiting seal includes the following steps: the reader tests whether the read key of the electronic tag is a correct read key; if the read key is correct, the seal information of the electronic tag is read. The electronic tag of the anti-counterfeiting seal of the invention stores the seal information, and does not need to depend on the networking database to inquire the relevant seal information. Besides, the electronic tag in the anti-counterfeiting seal is encrypted, which can basically block various possibilities of forgery and counterfeiting.

The present invention relates to a LED module, which comprises a metal circuit substrate, a plurality of LED crystal grains. Wherein, the metal circuit substrate is composed of a metal layer, an insulating and heat conducting layer and a circuit layer. These LED crystal grains are arranged on the metal circuit substrate and electrically connected with the circuit layer.