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75results about How to "Increase coupling capacitance" patented technology

Storage unit, forming method of storage unit and driving method of storage unit

The invention provides a storage unit, a forming method of the storage unit and a driving method of the storage unit. The forming method of the storage unit includes the steps that a semiconductor substrate is provided, and a first dielectric layer, a floating gate material layer, a second dielectric layer, a control gate material layer and a mask layer are formed on the surface of the semiconductor substrate; a first side wall is formed on the surface of the side wall of an opening; the control gate material layer is etched to form a first groove; a second side wall is formed; the second dielectric layer, the floating gate material layer and the first dielectric layer are etched to form a second groove; a tunneling oxidation layer is formed on the surface of the inner wall of the second groove; word lines are formed on the surface of the tunneling oxidation layer; a first control gate, a first control gate dielectric layer, a first floating gate, a first floating gate dielectric layer, a second control gate, a second control gate dielectric layer, a second floating gate and a second floating gate dielectric layer are formed; source electrodes and drain electrodes are formed. According to the storage unit formed by the forming method, the two control gates can be controlled only by one control transistor, therefore, the number of selected transistors can be effectively reduced, and the integration level of a storage is improved.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP

Capacitive touch pad with comb-shaped electrode

The invention relates to a capacitive touch pad with comb-shaped electrodes, which comprises a transparent substrate and inductive electrodes. The inductive electrodes are arranged on the transparent substrate and comprise a group of transverse electrode wire traces, a group of longitudinal electrode wire traces and leading-out wires connected with the I/O ports of a touch chip, wherein the transverse electrode wire traces intersect with the longitudinal electrode wire traces. The invention is characterized in that at least partial leading-out wires are connected with the electrode wire traces in a way that one leading-out wire corresponds to a plurality of electrode wire traces. By adopting the arrangement, one I/O port of the touch chip corresponds to one leading-out wire and one leading-out wire can correspond to a plurality of electrode wire traces. Thereby, the number of the electrode wire traces in a touch area can be multiplied, the number of the electrodes can be multiplied, the distribution of the electrodes is kept to be even, the density of charges distributed on the capacitive touch pad is enabled to be changed more stably, the linearity of an electric field is enabled to be more stable, the coupling capacitance on the touch area is improved and the accuracy and the sensitivity of the touch pad are improved.
Owner:SHANTOU GOWORLD DISPLAY (PLANT II) CO LTD

Liquid crystal display panel and display device

An embodiment of the invention provides a liquid crystal display panel and a display device. The liquid crystal display panel comprises a display region and a hollow functional region, wherein the display region is formed around the hollow functional region; and a first transition region is formed between the hollow functional region and the display region, and the first transition region surrounds the hollow functional region. The liquid crystal display panel further comprises a data signal line and a scanning signal line, wherein the data signal line and the scanning signal line are arrangedaround the hollow functional region in the first transition region; vertical projection of the data signal line in a first plane overlaps vertical projection of the scanning signal line in the firstplane at a plurality of coincident points in the first transition region; and the first plane is a plane on which the surface of a light emergent side of the liquid crystal display panel locates, andthe at least one coincident point is arranged within vertical projection of an auxiliary metal electrode in the first plane. According to the liquid crystal display panel and the display device, the auxiliary metal electrode is additionally arranged at a position wherein the data signal line and the scanning signal line overlap, so as to increase the load of the scanning signal line, avoid displayunevenness, and improve the display effect.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Capacitor type wireless charging system capable of receiving electric energy through tyres

The invention discloses a capacitor type wireless charging system capable of receiving electric energy through tyres. The capacitor type wireless charging system comprises an electric energy receiving side apparatus mounted on the electric vehicle and multiple electric energy transmitting side apparatuses mounted on a road or under floor, wherein electric energy receiving polar plates are mounted in the corresponding tyres of the electric vehicle; through the electric field coupling among the electric energy transmitting polar plates mounted on the road or under floor, the electric energy can be transmitted from the electric energy transmitting polar plates on the ground to the electric energy receiving polar plates in the corresponding tyres in a high-frequency electric field way; and the vehicle-mounted battery pack can be charged through electric energy conversion. According to the capacitor type wireless charging system, the electric vehicle can be charged in the high-speed running process (in a dynamic wireless charging manner) or can be charged when the electric vehicle is stopped (in a static wireless charging manner). The capacitor type wireless charging system has the advantages of small size, high electric energy transfer capability, simple control, high overall efficiency, absence of magnetic field radiation and potential danger of fire, low cost, and the like.
Owner:SHANGHAI ZHONGLIAN NENGCHUANG NEW ENERGY TECH CO LTD

Broadside coupled feeding multi-band frequency broadband planar antenna

The invention discloses a broadside coupled feeding multi-band frequency broadband planar antenna, which comprises a medium substrate, wherein the medium substrate comprises one surface regarded as a front side and another surface which corresponds to the front side and is regarded as an opposite side, the front side of the medium substrate is provided with a metal strip in the width direction, a first bent strip and a second bent strip are connected with the metal strip, the opposite side is provided with a metal surface and a monopole, the monopole is arranged from one side to the other side in the width direction, the monopole and the metal surface are separated by a gap, the monopole is fed by a feeding port formed by two feeding points which are near one side of the medium substrate and are respectively positioned and arranged at two sides of the gap, the mutual parts of projections of the metal strip and the monopole are overlapped, and in positions beyond the region being overlapped with the projection of the monopole, the metal strip is bent at the other side opposite to the feeding port and is then in short circuit with the metal surface through the metal through hole to form a short circuit strip. The broadside coupled feeding multi-band frequency broadband planar antenna has the advantages that the structure is simple, and the integration with a radio-frequency circuit system arranged on a PCB (printed circuit board) is easy.
Owner:SOUTHEAST UNIV

Display panel and display device

The present invention discloses a display panel and a display device. The display area of the display panel comprises a transmissive area and a reflective area; the transmissive area comprises color sub-pixels, and the reflective area comprises black and white sub-pixels; first common electrodes are arranged on a color filter substrate corresponding to both the transmissive area and the reflectivearea; a plurality of first pixel electrodes are arranged at the portion of an array substrate corresponding to the transmissive area, and the first pixel electrodes are corresponding to the color sub-pixels; a plurality of second pixel electrodes, a reflective layer and a plurality of first thin film transistors are arranged at the portion of the array substrate corresponding to the reflective area, and the second pixel electrodes are corresponding to the black and white sub-pixels; one first thin film transistor is correspondingly connected with one first pixel electrode; second common electrodes are arranged on the array substrate corresponding to both the transmissive area and the reflective area, and the second common electrode is arranged between the first thin film transistor and the first pixel electrode; and voltage signals applied to the second common electrode and the first common electrode are the same. According to the technical scheme of the present invention, the displayeffect of the black and white color switching display can be improved.
Owner:SHANGHAI TIANMA MICRO ELECTRONICS CO LTD

Ultra wide band electric field probe using U-shaped structure

The invention discloses an ultra wide band electric field probe using a U-shaped structure. The ultra wide band electric field probe includes arc edge reference planes, a U-shaped signal line, an intermediate signal line and a top layer signal line. The arc edge reference planes include a top layer reference plane and a bottom layer reference plane, and the top layer reference plane and the bottomlayer reference plane are correspondingly of symmetrical similar 'T' shape structures in the central line of the plane of the probe. The U-shaped signal line is located between the top layer reference plane and the bottom layer reference plane, and a narrow handle end located on the intermediate layer of the probe is a transmission line of a strip line structure. Two arms of the open end of the U-shaped signal line are distributed symmetrically in the center line of the plane of the probe. The arc end of the U-shaped signal line is connected with the intermediate layer signal line, and the intermediate layer signal line is connected to the top layer signal line through a connecting hole. The ultra wide band electric field probe has the characteristics of ultra wide band and high sensitivity, the defect that in a traditional test, signals of weak electric fields and ultra wide band testing are not measured are effectively improved, and veracity of testing results is ensured.
Owner:BEIHANG UNIV

A radome based on wide stopband low frequency multilayer frequency selective surface

ActiveCN110994172BWide stopband rejection capabilityLower resonant frequencyRadiating element housingsEngineeringSelective surface
The invention discloses a radome based on a wide-stop-band low-frequency multi-layer frequency selective surface. The upper surface of the upper PCB board is provided with an upper conductive layer, the lower surface of the upper PCB board is provided with a middle conductive layer, and the lower surface of the lower PCB board A lower conductive layer is provided, the upper conductive layer is composed of several upper interdigital structural units periodically arranged, the middle conductive layer is composed of several cross-shaped structural units periodically arranged, and the lower conductive layer is composed of several lower interdigital structural units periodically arranged. Composed of interdigital structural units, wherein an upper interdigital structural unit corresponds to a cross-shaped structural unit and a lower interdigital structural unit; the upper interdigital structural unit and the lower interdigital structural unit are composed of two comb structures, Among them, the lengths of the outermost teeth of the two comb structures are the same, relatively distributed, and there is a gap between them; each upper interdigital structural unit is completely aligned with the corresponding cross-shaped structural unit and lower interdigital structural unit; the radome has lower resonant frequency.
Owner:XIAN UNIV OF POSTS & TELECOMM
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