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1065 results about "Pixel matrix" patented technology

Arrangements of color pixels for full color OLED

A color display panel formed with a plurality of pixels in a matrix with a row direction and a column direction, wherein each pixel comprises a first sub-pixel, a second sub-pixel and a third sub-pixel adjacently aligned along the row direction of the pixel matrix, and a red light emission zone, a green light emission zone and a blue light emission zone. In one embodiment, the color display panel comprises an arrangement of the red, green and blue light emission zones of a pixel in a triangle with the geometrical center of each emission zone located at a respective vertex of the triangle such that one side of the triangle is substantially parallel to one of the row direction and the column direction, thereby in the plurality of pixels, any two adjacent light emission zones of different colors in the row direction define a gap having a distance, and any two adjacent light emission zones of different colors in the column direction define a gap having a distance that is substantially or nearly the same as the distance of the gap defined between two adjacent light emission zones of different colors in the row direction.
Owner:AU OPTRONICS CORP

Thin film transistor having lightly doped regions

By appropriately selecting the structure of top gate type or staggered type TFTs disposed in the respective circuits of a semiconductor device depending on the function of the circuits, the operating characteristics and the reliability of the semiconductor device is improved. An LDD region (107) the whole of which overlaps a gate electrode is provided in a first n-channel type TFT of a controlling circuit. LDD regions (111) and (112) at least part of which overlaps a gate electrode are provided in a second n-channel type TFT of the control circuit. LDD regions (117) to (120) which do not overlap a gate electrode through offset regions are provided in an n-channel type TFT of a pixel matrix circuit. By making different the concentration of LDD regions of the control circuit and the concentration of the pixel matrix circuit, optimized circuit operation is obtained.
Owner:SEMICON ENERGY LAB CO LTD

Electro-optical device and method for manufacturing the same

An electro-optical device and a method for manufacturing the same are disclosed. The device comprises a pair of substrates and an electro-optical modulating layer (e.g. a liquid crystal layer having sandwiched therebetween, said pair of substrates consisting of a first substrate having provided thereon a plurality of gate wires, a plurality of source (drain) wires, and a pixel matrix comprising thin film transistors, and a second substrate facing the first substrate, wherein, among the peripheral circuits having established on the first substrate and being connected to the matrix wirings for the X direction and the Y direction, only a part of said peripheral circuits is constructed from thin film semiconductor devices fabricated by the same process utilized for an active device, and the rest of the peripheral circuits is constructed from semiconductor chips. The liquid crystal display device according to the present invention is characterized by that the peripheral circuits are not wholly fabricated into thin film transistors, but only those portions having a simple device structure, or those composed of a small number of devices, or those comprising an IC not easily available commercially, or those comprising an expensive integrated circuit, are fabricated by thin film transistors. According to the present invention, an electro-optical device is provided at an increased production yield with a reduced production cost.
Owner:SEMICON ENERGY LAB CO LTD

Semiconductor device

A systemized active matrix display in which a pixel matrix circuit, a driver circuit and a logic circuit are mounted on the same substrate, is formed. A TFT of the present invention has such characteristics as to be able to operate in a wide driving frequency range of 0.05 to 2 GHz, and by designing a channel length and a film thickness of a gate insulating film of the TFT according to characteristics required by circuits, it is possible to form a high frequency driving circuit and a low frequency driving circuit on the same substrate.
Owner:SEMICON ENERGY LAB CO LTD

Electro-optical device

An electro-optical device is disclosed. The device comprises a pair of substrates and an electro-optical modulating layer (e.g. a liquid crystal layer) having sandwiched therebetween, said pair of substrates consisting of a first substrate having provided thereon a plurality of gate wires, a plurality of source (drain) wires, and a pixel matrix comprising thin film transistors, and a second substrate facing the first substrate, wherein, among the peripheral circuits having established on the first substrate and being connected to the matrix wiring for the X direction and the Y direction, only a part of said peripheral circuits is constructed from thin film semiconductor devices fabricated by the same process utilized for an active device, and the rest of the peripheral circuits are constructed from semiconductor chips. The liquid crystal display device according to the present invention is characterized in that the peripheral circuits are not wholly fabricated into thin film transistors, but only those portions having a simple device structure, or those composed of a small number of devices, or those comprising an IC not easily available commercially, or those comprising an expensive integrated circuit, are fabricated by thin film transistors. According to the present invention, an electro-optical device is provided at an increased production yield with a reduced production cost.
Owner:SEMICON ENERGY LAB CO LTD

Pixel patterns

The invention discloses an array of pixels to be arranged in electronic color imaging devices, where the risk of aliasing is reduced by arranging the pixels in the array according to irregular patterns. The array is provided with a first, a second and a third set of pixels representing a first, a second and a third color respectively. The pixels in the first set of pixels and / or the pixels in the second set of pixels are arranged in at least a first spatial frequency, and the pixels in the third set of pixels are arranged in at least a second spatial frequency. In addition, one of said first or second set of pixels may be arranged in at least a third spatial frequency. None of said first, second and third spatial frequencies are harmonics of each other. The array may be implemented in one or several different matrixes of pixels.
Owner:TRANSPACIFIC INTELLIGENCE

Electro-optical device and method for manufacturing the same

An electro-optical device and a method for manufacturing the same are disclosed. The device comprises a pair of substrates and an electro-optical modulating layer (e.g. a liquid crystal layer having sandwiched therebetween, said pair of substrates consisting of a first substrate having provided thereon a plurality of gate wires, a plurality of source (drain) wires, and a pixel matrix comprising thin film transistors, and a second substrate facing the first substrate, wherein, among the peripheral circuits having established on the first substrate and being connected to the matrix wirings for the X direction and the Y direction, only a part of said peripheral circuits is constructed from thin film semiconductor devices fabricated by the same process utilized for an active device, and the rest of the peripheral circuits is constructed from semiconductor chips. The liquid crystal display device according to the present invention is characterized by that the peripheral circuits are not wholly fabricated into thin film transistors, but only those portions having a simple device structure, or those composed of a small number of devices, or those comprising an IC not easily available commercially, or those comprising an expensive integrated circuit, are fabricated by thin film transistors. According to the present invention, an electro-optical device is provided at an increased production yield with a reduced production cost.
Owner:SEMICON ENERGY LAB CO LTD

MOS type image sensor

A MOS type image sensor has an image area that consists of a matrix of pixels and a peripheral circuitry area that drives the image area. To make the MOS type image sensor finer, each of the pixels consists of a second p-well region having a lower impurity concentration than a first p-well region disposed in the peripheral circuitry area; a photodiode having a first main electrode region made of the second p-well region and a second main electrode region formed as a first n-diffusion layer disposed at the surface of the second p-well region; a read transistor having a first main electrode region made of the first n-diffusion layer, a second main electrode region formed as a second n-diffusion layer disposed at the surface of the second p-well region, a gate insulation film disposed on the surface of the second p-well region between the first and second n-diffusion layers, and a gate electrode disposed on the gate insulation film and connected to a read signal line; and an amplification transistor disposed in a third p-well region, having a gate electrode connected to the second main electrode region of the read transistor, a first main electrode region connected to an output signal line, and a second main electrode region. Since the impurity concentration of the second p-well region is low, scaled design rules are employable without causing "white pixels", sensitivity deterioration, signal read voltage increase, or short-channel effect.
Owner:NORTH PLATE SEMICON LLC

Light-emitting diode arrays and methods of manufacture

A representative LED array includes: a base substrate (BS) and a plurality of light emitting diodes, each of the light emitting diodes comprising a stack of a first contact layer, a semiconductor stack and a second contact layer, the semiconductor stack being on top of the first contact layer, the second contact layer being on top of the semiconductor stack; the plurality of light emitting diodes being arranged in pixel matrix on the base substrate as LEDs of at least three types (R, G, B); the LEDs according to their type (R, G, B) being arranged as at least a first, second and third sub-pixel in the pixel matrix for emission of radiation of a respective specific at least first, second and third color; and interconnection circuitry on the substrate, operative to connect to the light emitting diodes of the array for addressing each of the light emitting diodes.
Owner:INNOLUX CORP

Electro-optical device which comprises thin film transistors and method for manufacturing the same

An electro-optical device and a method for manufacturing the same are disclosed. The device comprises a pair of substrates and an electro-optical modulating layer (e.g. a liquid crystal layer having sandwiched therebetween, said pair of substrates consisting of a first substrate having provided thereon a plurality of gate wires, a plurality of source (drain) wires, and a pixel matrix comprising thin film transistors, and a second substrate facing the first substrate, wherein, among the peripheral circuits having established on the first substrate and being connected to the matrix wirings for the X direction and the Y direction, only a part of said peripheral circuits is constructed from thin film semiconductor devices fabricated by the same process utilized for an active device, and the rest of the peripheral circuits is constructed from semiconductor chips. The liquid crystal display device according to the present invention is characterized by that the peripheral circuits are not wholly fabricated into thin film transistors, but only those portions having a simple device structure, or those composed of a small number of devices, or those comprising an IC not easily available commercially, or those comprising an expensive integrated circuit, are fabricated by thin film transistors. According to the present invention, an electro-optical device is provided at an increased production yield with a reduced production cost.
Owner:SEMICON ENERGY LAB CO LTD

System and apparatus for pixel matrix see-through display panels

Various embodiments of the present invention provide systems and apparatus directed toward using a contact lens and deflection optics to process display information and non-display information. In one embodiment of the invention, a display panel assembly is provided, comprising: a transparent substrate that permits light to pass through substantially undistorted; a two-dimensional display panel disposed on the transparent substrate, wherein the display panel comprises pixel elements sufficiently spaced with respect to each other to allow light to pass through the display panel assembly; and at least one filter disposed on at least one pixel element. The filter may comprise a bandpass filter that reduces bandwidths of emitted light from the pixel element, or a polarizer filter that limits polarity of emitted light from the pixel element.
Owner:INNOVEGA

Electronic camera and solid-state camera element that provides a reduced pixel set

A solid-state camera device having a matrix of pixels arranged in rows and columns, wherein a subset of pixels of the entire pixel matrix can be read for display and confirmation of photographic conditions to reduce power consumption and decrease time to display the image. In electronic cameras light is focused on the camera device having pixels and the light energy is used to provide an electric signal from each pixel in proportion to the incident light to provide an image signal. The image signal may be displayed on an attached display such as a liquid crystal display. Because most display have fewer pixels than the camera device, the display can not display image information from each camera device pixel. To thin the number of pixels provided to the display, at least one of a vertical shift register or horizontal shift register includes a selector circuit whereby the respective shift register may select a group of rows or columns, respectively, and the selector circuit can select a single row or column, respectively, from the group. Control signals control the operation of the shift registers and selector circuit(s) and permit selection of desired thinning schemes to optimize the display of image information for best display of colors or minimum energy consumption, as desired.
Owner:JOHNS MANVILLE INT INC +1

Electronic device having an active matrix display panel

A display device using a novel semiconductor device, which includes a pixel matrix, an image sensor, and a peripheral circuit for driving those, that is, which has both a camera function and a display function, and is made intelligent, is provided and a method of manufacturing the same is also provided. One pixel includes a semiconductor device for display and a semiconductor for light reception, that is, one pixel includes semiconductor devices (insulated gate-type field effect semiconductor device) for controlling both display and light reception, so that the display device having a picture reading function is made miniaturized and compact.
Owner:SEMICON ENERGY LAB CO LTD

Display device

A display device includes a pixel matrix having pixel rows and pixel columns and including pixels having switching elements positioned alternately at a corner near an upper and a lower side of each pixel row and positioned alternately at a corner near an upper and a lower side of and alternately at a corner near a left and a right side of each pixel column; multiple pairs of gate lines transmitting a gate-on voltage; and multiple data lines transmitting data voltages, wherein each pair of gate lines are disposed at the upper and lower sides of each pixel row with the pixels in each row connected to the gate line positioned nearest the respective switching element, and each data line is disposed between adjacent pairs of pixel columns and connected to pairs of pixels where one pixel of the pair has a switching element positioned nearest the respective data line.
Owner:SAMSUNG DISPLAY CO LTD

Human body detecting method, device and air conditioner

The invention discloses a human body detecting method, device and air conditioner. According to the method, based on the character that human body temperature and indoor background temperature have obvious temperature difference, human body detecting is carried out through the temperature changing situation of various zones indoors, namely the method comprises the steps that current indoor temperature field data are obtained, and processed current indoor temperature field data are used as indoor current temperature, wherein indoor current temperature is the set of the current temperatures of pixel points in a pixel matrix corresponding to a temperature place; and then the indoor current temperature and the indoor background temperature corresponding to the indoor current temperature are subjected to differential treatment, the differential temperatures of the pixel points are obtained, pixel points with the differential temperatures not smaller than a preset threshold value are subjected to clustering, N heat sources are obtained, and finally heat sources with the number not smaller than the preset number of pixels are determined as human bodies. Human body detecting is achieved through the temperature changing situations of the zones indoors, various shortcomings of a current infrared detection mode are overcome, and detecting accuracy is improved.
Owner:GREE ELECTRIC APPLIANCES INC

Display Uniformity Correction Method and System

A method and system are provided for correcting non-uniformity of a display device having a display screen comprising a pixel matrix. Aspects the exemplary embodiment include in response to receiving display data for display, reading from a memory of the display device compensation data stored for a subset of pixel locations on the display screen, the compensation data configured to correct non-uniformity characteristics of the display screen; interpolating the compensation data to generate uniformity correction data; overlaying the display data with the uniformity correction data to produce uniformity corrected display data; and outputting the uniformity corrected display data for subsequent display.
Owner:TVIA

Peripheral compensation system of pixel matrix, method thereof and display system

ActiveCN105702206ACompensation for inaccurate display issuesSolve uneven displayStatic indicating devicesLow voltageData-driven
The invention discloses a peripheral compensation system of a pixel matrix, a method thereof and a display system. The peripheral compensation system comprises a grid scan driving module 200, a column data driving module 300 and a compensation module 400. The compensation module 400 is respectively connected with M columns of pixel units 101 via M columns of feedback signal lines and is used for detecting the variation of the electrical characteristics of a pixel matrix 100 so as to send a second display signal to the pixel matrix 100 and compensate each of the pixel units 101. According to the technical scheme of the invention, the addition of first display signals and second display signals in the pixel units is realized, so that accurate gamma correction of first display signals is realized at the same time. Meanwhile, the structure is simple. A first digital-to-analog conversion module and a second digital-to-analog conversion module are also low in the number of bits. On the condition that the addition mode of analog domains is conducted, an original high-voltage analog adder can be converted to a medium-voltage adder or a low-voltage adder.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Extended multi line address driving

A circuit for a flat panel display includes an image storage block, a display and timing controller block, an image pixel matrix containing a multitude of row and column arranged pixel elements, also one or more controlled row and column driver blocks, and a pixel display operation employing the extended multi line addressing (XMLA) operation. That XMLA operation comprises a decomposition of image data by analyzing image data from at least two lines from the image data but employing as many lines of the image data as possible according to a certain ‘best match’ criterion directly expanding these operations over their ‘widest possible range’ of lines using that ‘best match’ criterion to find within multiple lines common parts of contents, then separating these common parts into a multi line and the residual parts into a single line data domain thus allowing for a separate display of those data domains.
Owner:DIALOG SEMICONDUCTOR GMBH

Method for manufacturing a very-high-resolution screen using a nanowire-based emitting anisotropic conductive film

A method for producing an emissive pixel screen includes forming an active pixel matrix along which an electrode forming layer runs and having pixels arranged according to a distribution, forming an anisotropic substrate that includes a set of light emitting diodes constituted by parallel nanowires and arranged in an insulating matrix transversely with respect to a substrate thickness and having a density higher than a density of the pixels irrespective of the pixel distribution, connecting the substrate to the active pixel matrix by connecting only sub-groups of the parallel nanowires by a first end to separate pixel electrodes defined in the electrode forming layer according to the distribution of the pixels in the matrix, and connecting the sub-groups, by another end, to a common electrode, and delimiting the sub-groups by rendering the nanowires of the substrate that are arranged between the sub-groups emissively inactive.
Owner:COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

Character identifying method and character identifying system

An embodiment of the invention provides a character identifying method and system. The method includes collecting an original image of a nature scene; performing pre-treatment on the original image; performing OCR layout analysis on the original image subjected to the pre-treatment and obtaining a plurality of pixel matrixes; performing characteristic extraction on the pixel matrixes by adopting a CNN (Convolutional Neural Network) and obtaining a plurality of characteristic patterns; performing character identification on the characteristic patterns by adopting an LSTM (Long Short Term Memory) provided with an Attention Model and obtaining a character sequence, wherein a forget gate of the LSTM provided with the Attention Model is replaced with the Attention Model. According to the invention, by utilizing the LSTM algorithm provided with the Attention Model, the characteristic sequence extracted by using the CNN algorithm is identified as the corresponding character sequence, so that required text information is obtained and operation parameters are reduced. At the same time, through control of different influence on current characters by different context content, information in long term memory can be transmitted to the current characters perfectly, so that character identification accuracy is improved.
Owner:BEIJING SINOVOICE TECH CO LTD

Organic light emitting display panel and driving method thereof, and organic light emitting display apparatus

ActiveCN106531084AEliminate the effects of varying degreesImprove uniformityStatic indicating devicesDriver circuitOptoelectronics
The invention discloses an organic light emitting display panel and a driving method thereof, and an organic light emitting display apparatus. The organic light emitting display panel comprises a pixel matrix. The pixel matrix comprises a plurality of pixel driving circuits which are arranged in a matrix mode, a plurality of reference voltage signal lines, a plurality of data lines, a plurality of light emitting signal lines, a plurality of first scanning signal lines and a plurality of second scanning signal lines. The plurality of pixel driving circuits comprise a first pixel driving circuit and a second pixel driving circuit. The first pixel driving circuit and the second pixel driving circuit are adjacent along a row direction of the pixel matrix. The first pixel driving circuit is electrically connected to the plurality of first scanning signal lines. The second pixel driving circuit is electrically connected to the plurality of second scanning signal lines. The first pixel driving circuit and the second pixel driving circuit are connected into a same data line. The first pixel driving circuit and the second pixel driving circuit share one light emitting control module. By using the organic light emitting display panel and the driving method thereof, and the organic light emitting display apparatus of the invention, a driving load can be reduced.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD +1

Semiconductor device and method of manufacturing therefor

In an active matrix type liquid crystal display device, in which functional circuits such as a shift register circuit and a buffer circuit are incorporated on the same substrate, an optimal TFT structure is provided along with the aperture ratio of a pixel matrix circuit is increased. There is a structure in which an n-channel TFT, with a third impurity region which overlaps a gate electrode, is formed in a buffer circuit, etc., and an n-channel TFT, in which a fourth impurity region which does not overlap the gate electrode, is formed in a pixel matrix circuit. A storage capacitor formed in the pixel matrix circuit is formed by a light shielding film, a dielectric film formed on the light shielding film, and a pixel electrode. Al is especially used in the light shielding film, and the dielectric film is formed anodic oxidation process, using an Al oxide film.
Owner:SEMICON ENERGY LAB CO LTD

Image waterprint method for copyright protection

The present invention discloses an image watermark way applied to protecting copyright. It converts two-dimensional pels matrix to a two-value sequence group, splits the original image into 8*8 pels in the pels area, and processes discrete cosine conversion to (DCT) convert every pels area to frequency area. By fake radnom selecting block texture selecting block and illumination selecting block, it can conform which area block need to embed the watermark, and can sort them Zigzag. It embeds the encryption part of the watermark sequence group into the direct-current factor position of the random selecting block, also embeds the texture part and illumination part into respective low frequency factor position.
Owner:HEFEI UNIV OF TECH

Flat display structure and method for driving flat display

A flat display structure including a substrate, a pixel matrix, a driving circuit and several voltage adapting devices and driving method thereof are provided. Each of voltage adapting devices includes an input terminal, a first control terminal and an output terminal. The input terminal is electrically connected to the i-th gate line Gi corresponding to the i-th pixel row Ri. The first control terminal is adapted to receive a first control signal. The output terminal is adapted to receive a working voltage.
Owner:AU OPTRONICS CORP

Methods and apparatuses for encoding and decoding an image

A method as well as a system, a device, an encoding apparatus, a decoding apparatus, a module and a computer software product for image processing is disclosed. The image comprises a pixel matrix, in which the pixels comprise a first number of bits. The pixel matrix is divided to two or more blocks of pixels. The pixels are processed on a block-by-block basis to form encoded pixel values including a certain second number of bits. Bit strings are formed on the basis of the encoded pixels. When decoding the image the bit strings are examined to find out the encoding method used in encoding the pixel, and decoding is performed on a block-by-block basis to retrieve pixel values of the image.
Owner:NOKIA TECHNOLOGLES OY

Video display device capable of compensating for display defects

A video display device capable of compensating for display defects, comprising: liquid crystal panel for displaying an image through a pixel matrix; a data driver for outputting data to data lines of the liquid crystal display panel; a gate driver for driving the gate lines of the liquid crystal display panel; a timing controller for receiving compensated data, uncompensated data and synchronizing signals to output a gate control signal to the gate driver and to output both resultant data and a data control signal to the data driver; and a memory for storing information on point defect information on the liquid crystal display panel, and at least one of horizontal and vertical line defects of the liquid crystal display panel of the liquid crystal display panel; and a data compensation circuit for receiving display data and synchronizing signals, and outputting compensated data to the timing controller based on the information in the memory and uncompensated data to the timing controller, wherein the data compensation circuit includes a vertical line compensator for compensating a vertical line defect of the liquid crystal display panel, a horizontal line compensator for compensating a horizontal line defect of the liquid crystal display panel, and a multiplexer for selecting an output from one of the vertical line compensator and the horizontal line compensator in accordance with whether a defect is a vertical line defect or a horizontal line defect.
Owner:LG DISPLAY CO LTD
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