31results about How to "Increase physical resolution" patented technology

The invention relates to an arrangement method of a photosensitive composite dielectric gate MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) detector. Each unit detector has a structure that N-shaped semiconductor regions are respectively arranged at both upper sides of a P-shaped semiconductor material of a substrate, two insulated dielectric material layers and a control grid electrode are respectively arranged over the substrate, a photoelectron storage layer is arranged between the two insulated dielectric material layers, the second insulated dielectric in contact with the control grid is made of a material preventing charges stored in the photoelectron storage layer from flowing into the grid electrode, a source electrode and a drain electrode are in suspended structures when photoelectrons are collected and stored to the photoelectron storage layer, the first insulated dielectric is a bottom dielectric and adopts silica, SiON or other dielectric materials with high dielectric constants, the second insulated dielectric layer is made from a top dielectric and adopts silica/silicon nitride/silica, silica, alumina or other dielectric materials with high dielectric constants, and the substrate layer or the grid electrode surface is provided with at least one transparent or semi-transparent window for detecting the wavelength of the detector.

The invention belongs to the underwater sound direction-finding field and relates to a sound pressure and vibration velocity cross-spectrum method-based vector array port and starboard discrimination method. The method includes the following steps that: step (1) after received sound pressure signals are converted into frequency-domain signals, frequency-domain broadband conventional beamforming processing is carried out on the frequency-domain signals, so that an original spatial spectrum matrix can be obtained, wherein the spatial spectrum matrix is a matrix of an outputted spatial spectrum type; step (2) bidirectional one-order recursive filtering processing is performed on the obtained original spatial spectrum matrix, so that a smoothed spatial spectrum can be obtained; and step (3) according to the smooth spatial spectrum, DT decibels are increased based on the smooth spatial spectrum, so that a threshold for spectral peak screening can be obtained. According to the method of the invention, peak screening is carried out on the spatial spectrum; direction estimation is carried out on signals in a spectral peak range; subtractive suppression is carried out on pseudo peak measurement through comparing an estimated result with a spectral peak position; and therefore, the problem of port-starboard ambiguity under a low signal-to-noise ratio can be solved, and weak target detection under a homogeneous noise background can be improved.

One embodiment of the present invention discloses a method for pixel arrangement and a display using the same. The display areas are divided into a plurality of rectangular regions which have the same area according to a plurality of vertical grids which own the same distance between the adjacent. According to pre-positioning horizontal axis lines and pre-positioning vertical axis lines, each of the rectangular regions is divided into four parts including an upper left part, an upper right part, a lower left part and a lower right part. Each of the four parts are divided into two sub-pixel areas by a line which is inside the part. The line connects the angle point of the region which the part belongs to and the cross point of the horizontal axis line and the vertical axis line of the region which the part belongs to.

The invention relates to a signal read-out amplifying method of a photosensitive compound medium grid MOSFET detector, comprising the following steps of: setting N-type semiconductor regions at both sides above a P-type semiconductor material of a substrate to form a source electrode and a drain electrode, setting a bottom-layer and top-layer insulting medium material and grid above the substrate as well as a photosensitive compound medium grid MOSFET detector of a photoelectron storage layer; reading out and amplifying the photoelectron, i.e., grounding the source electrode of the detector and the substrate, connecting the drain electrode at a positive voltage of about 0.1V, and enabling the MOSFET detector to operate in a linear region by adjusting the grid voltage of about 1-3V; directly measuring the output drain current to obtain the relation of the current variation of the drain electrode and the number of the searched photoelectron i.e., biasing VG on the grid of the detector and grounding the substrate, wherein the photoelectron in the photoelectron storage layer is formed in the P-type semiconductor substrate by tunneling when the negative bias is high enough. The invention overcomes error caused by excursion of the electron mobility.

The invention provides a touch panel, a driving method thereof and a touch display device, and relates to the technical field of touch. A plurality of first touch electrodes distributed in the first direction and a plurality of second touch electrodes distributed in the second direction are arranged in a touch panel, a plurality of third touch electrodes and/or a plurality of fourth touch electrodes are further arranged, and the third touch electrodes are arranged between every two adjacent first touch electrodes. Fourth touch electrodes are arranged between every two adjacent second touch electrodes; the plurality of third touch electrodes is divided into at least one group, the third touch electrodes in the same group are connected with the same third touch lead, the plurality of fourthtouch electrodes are divided into at least one group, and the fourth touch electrodes in the same group are connected with the same fourth touch lead. By adding the plurality of third touch control electrodes and/or the plurality of fourth touch control electrodes in the touch control panel, the physical resolution of the touch control panel is improved, so that the detection precision of a touchcontrol position during touch control of the active pen is improved.

The invention discloses a pixel driving circuit, a driving method of the pixel driving circuit, a display panel and a display device. The pixel driving circuit comprises a drive circuit, an energy storage circuit; a data and sensing line; a first initialization circuit; a second initialization circuit and a data writing circuit, wherein in the display mode, the data and sensing line writes data voltage into the control end of the driving circuit through the data write-in circuit; in the sensing mode, the data and sensing line receives the sensing data output by the driving circuit through thesecond initialization circuit to obtain external compensation value of the drive circuit; therefore, the data lines and the sensing lines are combined, the number of source-level driving chip channelscan be reduced, meanwhile, the accuracy of the obtained external compensation value can be ensured, the physical resolution of the panel can be improved, and the compensation speed can be increased.

The invention relates to a virtual LED display module based on a three-color strip-type LED chip and a virtual LED six-fold frequency-doubling display method based on the three-color strip-type LED chips. The virtual LED display module comprises a three-color LED chip group formed by three-color strip-shaped LED chips; each three-color strip-shaped LED chip comprises at least three LED light emitting units; three-color strip-shaped LED chips are regularly arrayed such that a regular array of multiple equilateral triangles is formed by multiple LED light emitting units; and three LED light emitting units of three vertexes of each equilateral triangle are LED light emitting units have different primary colors. LED chips integrated with three colors RGB are prepared by adoption of light emitting material on the basis of GaN material. The LED chips are regularly arrayed to form small spacing arrays in which primary-color light emitting units are uniformly distributed at equal intervals. Therefore, physics resolution is increased. Meanwhile, six-fold scanning is performed through a sub-pixel sharing method so that virtual pixels are displayed and visual density is increased by six times. Sharpness of image display is raised.

The present application discloses a signal de-smoothing method and system. The signal de-smoothing method adopts a more reasonable assumption, i.e., assuming that the metastable helium atom density ina sub-detection region of each layer is a constant. The metastable helium atom density data processing method based on this assumption is beneficial to reducing the signal smoothness during the detection process, and achieves the purpose of reducing the smoothness of signals received by a receiving system to a true value on height, thereby achieving the purpose of improving the physical resolution of each pixel element in the receiving system of a receiving and transmitting split metastable helium laser radar. In addition, by using the signal de-smoothing method for data processing, the distance resolution can be improved to a certain extent, the smoothing effect can be removed, and fluctuations or mutations within a small scale range can be discovered more easily.

The invention discloses an array substrate, a display panel and a display device. The pixel unit row of the array substrate comprises multiple first pixel units, multiple second pixel units and multiple third pixel units; the first pixel unit comprises two first sub-pixels arranged along the second direction; the second pixel unit comprises two second sub-pixels arranged along the second direction; the third pixel unit comprises a third sub-pixel extending along the second direction or two third sub-pixels arranged along the second direction; the light emitting colours of the first sub-pixels,the second sub-pixels and the third sub-pixels are different; the minimum included angle between the second direction and the first direction is A; and the A is greater than 0 DEG and less than or equal to 90 DEG. According to the technical scheme provided in the embodiment of the invention, the physical resolution of the display panel is increased; the granular sensation problem of a display picture is improved; the distribution uniformity of various-colour sub-pixels is improved; and thus, the display effect of the display panel is improved.

The invention relates to a virtual LED display module based on three-color H-shaped LED chips and a two-time frequency display method. The virtual LED display module comprises a three-color LED chip group consisting of the three-color H-shaped LED chips and single-color LED chips; each three-color H-shaped LED chip comprises five LED luminous units; in the three-color LED chip group, the three-color H-shaped LED chips are arranged by m* n array, and the single-color LED chips are arranged among the adjacent three-color H-shaped LED chips of the m* n array along a first direction; and in the three-color LED chip group, the LED luminous units are arranged to form a plurality of triangles, and the distances among the optional adjacent LED luminous units along the first direction are equal toone another. RGB three-color-integrated H-shaped LED chips which are prepared by luminous materials in three colors on the basis of GaN materials are adopted, virtual pixel displaying is implemented by two-time scanning, and the image display definition is improved.

Disclosed is a pixel structure. The pixel structure comprises multiple pixel units, wherein each pixel unit adopts a rectangular shape, and comprises first sub pixels, second sub pixels and third sub pixels; the first sub pixels and the second sub pixels are positioned on the two sides of the third sub pixels respectively; the second sub pixels have the same shapes as the first sub pixels; the third sub pixels are T-shaped; the transverse adjacent pixel units are in mirror image distribution; and the longitudinal adjacent pixel units are in mirror image distribution. Due to the structure, the first sub pixels, the second sub pixels and the third sub pixels are adjacent to the corresponding sub pixels of the adjacent pixel units, so that an opening can be shared by the adjacent sub pixels in the manufacturing process, and the opening area in evaporation can be enlarged; meanwhile, a reserved gap is not required in the evaporation process of the adjacent sub pixels, so that the aperture ratio is improved, and the a relatively high physical resolution ratio can be further realized. An organic light-emitting display apparatus adopting the pixel units is relatively high in resolution ratio.