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 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 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 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 an automatic urinary drop clearing device which is mainly composed of a substrate, a manned mechanism, a control module and a cleaning mechanism. The automatic urinary drop clearing device can be arranged on the floor in front of a urinal or a closestool; when peeing, men stand on the standing part of the manned mechanism, and the standing part receives urinary drops dripping outside the urinal. When men leave the manned mechanism after peeing, the control module automatically controls the manned mechanism to replace the standing part and controls the cleaning mechanism to clean urinary drops according to the previous standing part in the substrate; the cleaned standing part is standby to be used in replacement on the substrate next time, thus finishing the fully-automatic urinary drop cleaning function.

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 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.

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.