79results about How to "Improve display quality" patented technology

The present invention discloses a Gamma automatic adjustment system and method with environmental adaptability. The system is installed in a display device and selects an image signal source. While receiving and converting an image signal into a plurality of first YUV signals, the system detects the surrounding environment and intercepts at least one environmental data. A Gamma control parameter of the display screen of the display device is calculated according to the environmental data. While calculating the environmental data to obtain a maximum brightness current value, the Gamma control parameter is used to calculate the plurality of first YUV signals into a plurality of second YUV signals. The maximum brightness current value and the plurality of second YUV signals are transmitted to the display device for displaying the image. Accordingly, the Gamma value can be automatically corrected according to the surrounding environment at any time to adjust the gray scale level of the image presented to the human.

This invention discloses an adaptive anti-interference display control method for a full LCD instrument panel in a bus, relating to the field of automotive instrument system technology. The method includes the following steps: collecting the ambient temperature value T and vibration acceleration value A; comprehensively determining the current operating mode based on the temperature value T and vibration acceleration value A; matching and executing the corresponding display control strategy according to the determined operating mode; and adjusting the operating mode determination strategy in real time to form a closed-loop adaptive control. The control method provided by this invention uses temperature and vibration dual-parameter linkage as its core framework, integrating two key measures: high-temperature low-power consumption and heat dissipation linkage, and strong vibration data latching. This achieves adaptive anti-interference display control of the full LCD instrument panel in a bus under complex and harsh operating conditions, significantly improving display quality, data stability, and system reliability. It effectively overcomes the shortcomings of existing technologies and fills the gap in dedicated temperature and vibration linkage control schemes for buses.

The present application relates to four-roll spindle multi-wire cutting technology and equipment field, specifically relates to a kind of for four-roll spindle multi-wire cutting machine auxiliary winding device and control method.Wherein device includes rack platform, 2n regular distribution and parallel guide rails are provided on the rack platform along y direction, n>1;Rack platform is installed with the lock sliding block of normally closed type matched with the one end of guide rail, rack platform is installed with the single-shaft moving platform for driving guide rail movement along x direction by motor control and being connected with the other end of guide rail, the guide rail is uniformly distributed with multiple variable shaft angle roller assembly.This device and control method can make the diamond wire acting on the surface of workpiece completely perpendicular to the axis of four main roller, ensure that the path of the diamond wire is basically unchanged when reciprocating, thereby reducing the wear between main roller axis slot and diamond wire, improving the service life of diamond wire, improving wire cutting quality, reducing cutting loss.

A display device and an electronic device are provided. In the display device of the present invention, a pixel includes: a light-emitting element including an anode and a cathode; a first transistor connected between a first power line and the anode of the light-emitting element, and operating according to the potential of a first node; a second transistor connected between the first node and a data line, and receiving a first scan signal; a third transistor connected between a second node and a reference voltage line, and receiving the first scan signal; a fourth transistor connected between the second node and an initialization voltage line, and receiving a second scan signal; and a storage capacitor connected between the first node and the second node.

The invention discloses a display device, and belongs to the technical field of display, the display device comprises a display panel, a pixel array in the display panel comprises a plurality of pixel groups, and each pixel group comprises at least one pixel row; in a display frame period, different pixel groups receive different compensation bias voltages; the compensation bias voltage is used for compensating the bias voltage of the pixels in the pixel group; the compensation bias voltage is determined based on flicker characteristic data of the display panel; the flicker characteristic data of the display panel at least comprises the optimal bias voltage value corresponding to each pixel group. According to the display device, different and customized bias voltage compensation can be carried out on different areas in the display panel according to actual physical characteristic differences of the different areas of the display panel, so that the hysteresis characteristics of driving transistors in all the areas of the display panel under the low refresh rate can be well adjusted, and the display effect is improved. And the non-uniform flicker of the display panel caused by the regional characteristic difference under the low refresh rate is effectively eliminated.

The invention discloses a color high contrast processing algorithm for four-color electronic paper, and relates to the technical field of electronic paper display technology and image processing, and the method comprises the specific steps: firstly, carrying out feature extraction, converting an original RGB image to an HSV space, carrying out the statistics of the pixel proportion of a brightness interval, screening red and yellow pixels, and calculating the feature and the proportion of four colors; a dynamic clustering center is generated; performing weighted clustering mapping to generate an intermediate image; enhancing the saturation and boundary contrast of the adaptive image in a linkage manner; and finally, modular adaptive output: selecting scheme optimization data, converting the scheme optimization data into a 2-bit format, and outputting the two-bit format after verification. According to the method, through multi-dimensional feature extraction and dynamic clustering center generation, accurate color mapping is realized, and the color rendition degree and comfort degree are improved; and through multi-factor linkage enhancement and modular adaptive output design, the display effect and hardware adaptability are considered, the detail expressive force is enhanced, the integration process is simplified, reliable data transmission is guaranteed, and the application adaptation and display quality is improved.

A display device is provided. According to an embodiment, the display device includes: a rib layer having a plurality of pixel openings respectively positioned above a first lower electrode and a second lower electrode; a barrier wall surrounding each of the plurality of pixel openings, the barrier wall including a lower portion configured to be electrically conductive and an upper portion having an end portion protruding from a side surface of the lower portion; a first stacked film configured above the first lower electrode and including a first organic layer; a second stacked film configured above the second lower electrode and including a second organic layer different from the first organic layer; a first sealing layer formed of an inorganic insulating material, the first sealing layer covering the first stacked film and configured above the barrier wall; and a second sealing layer formed of an inorganic insulating material, the second sealing layer covering the second stacked film and configured above the barrier wall. The first sealing layer and the second sealing layer are in contact with each other above the barrier wall. The first sealing layer includes at least one exposed portion recessed toward the pixel opening and exposing the barrier wall when viewed in plan.

The utility model provides a kind of low-power MiniLED backlight control system, it is related to LED backlight technical field, including light bar, the both ends of the light bar are provided with connecting head, multiple electric connecting pins are provided in the inside of two connecting heads, multiple installation clamping grooves are set in the upper end of the light bar, multiple lamp holders are clamped in the inside of multiple installation clamping grooves, multiple electrode pieces are provided in the left and right sides of the lower end of multiple installation clamping grooves, multiple control chips are connected to the lower end of the light bar, multiple control chips are respectively located in the lower end of multiple installation clamping grooves, and electrically connected with the two electrode pieces of the lower end of installation clamping groove, and multiple control chips are electrically connected with multiple electric connecting pins of the front and rear sides, the utility model is provided with multiple-pin connecting head in the both ends of light bar, lamp holder is clamped with light bar by installation clamping groove, electrode piece is electrically connected with control chip, so that lamp holder can be individually repaired and replaced, reduce maintenance cost, and support quick assembly and flexible expansion.

The invention relates to a gate driver and an electronic device. In a gate driver including a k-th stage and a (k + 1)-th stage, each of the k-th stage and the (k + 1)-th stage includes: a logic circuit controlling a signal of a first control node and a signal of a second control node based on an input signal, a first clock signal, and a second clock signal having a phase offset from the first clock signal; and an output circuit outputting a third clock signal or a low gate voltage as an output signal based on the signal of the first control node and the signal of the second control node. The third clock signal has the same phase as the first clock signal, while the line transmitting the third clock signal is electrically separated from the line transmitting the first clock signal.

A shift register (100), a gate drive circuit (10), a display panel (1), and a driving method. The shift register (100) comprises: an input circuit (110), which is connected to a pull-up node (PU) and an input signal terminal (INPUT) respectively; an output circuit (120), which is connected to the pull-up node (PU), a clock signal terminal (CLK), a direct current signal terminal (GCH) and an input terminal (OUTPUT) respectively, wherein the clock signal terminal (CLK) provides a clock signal, the direct current signal terminal (GCH) provides a direct current signal, and the output circuit (120) outputs a scanning signal from the output terminal (OUTPUT); and an output pull-down circuit (130), which is connected to the output circuit (120). The output circuit (120) is configured to output a scanning signal from the output terminal (OUTPUT) as one from among the direct current signal and the clock signal when a first output condition is satisfied; the output pull-down circuit (130) is configured to pull down the scanning signal when a second output condition is satisfied.

This application discloses a driving method and driving system for a display panel, as well as a display device. The display panel includes multiple pixels, each pixel including a red sub-pixel, a green sub-pixel, and a blue sub-pixel. The driving method includes: acquiring image information of an initial image, the image information including initial grayscale values ​​corresponding to three sub-pixels of at least one pixel, each initial grayscale value corresponding to a target grayscale value, the target grayscale value including a first target grayscale value and a second target grayscale value, the magnitude of the initial grayscale value being between the first target grayscale value and the second target grayscale value; determining whether at least three initial grayscale values ​​are all equal; if not, calculating the grayscale difference between the maximum value among the at least three initial grayscale values ​​and the initial grayscale value corresponding to a sub-pixel of at least one other color under preset conditions; acquiring the number of sub-pixels displayed with the initial grayscale value and the number of sub-pixels displayed with the target grayscale value based on the grayscale difference, so as to display a target image.

This utility model relates to the field of optical waveguide technology, and provides a display device and display equipment, comprising: a laser emitting component, a focusing component, and an optical waveguide, wherein the optical waveguide includes a coupling-in unit and a coupling-out unit; the laser emitting component is used to emit an image beam to the focusing component; the focusing component is used to focus the image beam and then direct it into the coupling-in unit where total internal reflection occurs, and finally exit through the coupling-out unit. This application focuses the image beam through the focusing component, and the focused beam is completely received by the coupling-in unit, reducing the phenomenon of the image beam energy distribution exceeding the coupling area of ​​the optical waveguide, resulting in high coupling efficiency; furthermore, the focusing component makes the image beam incident on the coupling-in unit more concentrated and directional, thereby forming a more uniform light distribution inside the waveguide, improving the brightness uniformity and display quality of the final exit pupil image.

This invention discloses a display panel and a display device, belonging to the field of display technology. The display panel includes a first substrate, a second substrate, and a plasma layer disposed opposite to each other. The plasma layer includes at least a first channel and a second channel, and plasma containing color-developing particles is disposed in the first and second channels. In a first region of the plasma layer: the first channel includes at least a first sub-channel and a second sub-channel, which are adjacent to each other, interconnected, and both extend along a first direction; along a second direction, at least a portion of the second channel is located on the side of the first sub-channel away from the second sub-channel, and at least a portion of the second channel is adjacent to the first sub-channel; at least a portion of the second channel is located on the side of the second sub-channel away from the first channel, and at least a portion of the second channel is adjacent to the second channel. The display device includes the above-described display panel. This invention enables uniform distribution of the electrophoretic liquid in an electrophoretic display device, improving the display effect.

To provide a display device in which parasitic capacitance between wirings can be reduced, a display device in which display quality is high, and a display device in which power consumption can be reduced. The display device of the present invention includes a signal line 121; a scan line 103; a first electrode 123; a second electrode 125a; a third electrode 125b; a first pixel electrode 139a; a second pixel electrode 139b; and a semiconductor film 135, wherein the signal line and the scan line cross, the first electrode is electrically connected to the signal line, the first electrode includes a region overlapping the scan line, the second electrode faces the first electrode, the third electrode faces the first electrode, the first pixel electrode is electrically connected to the second electrode, the second pixel electrode is electrically connected to the third electrode, the semiconductor film is in contact with the first electrode, the second electrode, and the third electrode, and the semiconductor film is provided between the scan line and the first electrode to the third electrode.

The application provides a pixel circuit and a display panel. The pixel circuit comprises a driving circuit, a selection circuit, a light emitting component and a signal processor. The driving circuit is controlled by a data signal. The selection circuit is turned on or off according to the mode of the pixel circuit. In the light sensing mode, the light emitting component senses the brightness of a light signal to generate a sensing signal. The signal processor generates light sensing information according to the sensing signal and a reference voltage.

The invention provides a backlight adjusting method and a display system. The method comprises the steps that voltage is applied between a source electrode and a drain electrode of a thin film transistor; detecting the leakage current between the source electrode and the drain electrode of the thin film transistor, and determining the environment illumination intensity of the whole display area based on the leakage current; processing the detection result of the environment illumination intensity to obtain a processing result; and adjusting the backlight brightness based on the processing result. According to the application, the voltage is applied between the source electrode and the drain electrode of the thin film transistor to detect the leakage current, so that the environment illumination intensity detection does not need additional hardware, and the cost is saved; furthermore, the backlight brightness of the display screen is adjusted based on the detected environment illumination intensity, the problem of brightness reduction caused by black insertion is eliminated, and the display quality under different environment illumination intensities is improved.

A display device and an electronic device including the same are disclosed. The display device includes a substrate including a first-first display area, a second-first display area, and a first-second display area arranged in a first direction; a pixel circuit in the first-first display area and the first-second display area; a first driving circuit in the second-first display area and providing a first driving signal to the pixel circuit; a light emitting element in each of the first-first display area, the first-second display area, and the second-first display area; a first data output pad connected to a first pixel circuit in the first-first display area; a second data output pad connected to a second pixel circuit in the first-second display area and spaced apart from the first data output pad in the first direction; and a first control output pad connected to the first driving circuit and located between the first data output pad and the second data output pad in the first direction.

The application discloses an electrode structure, a touch substrate, an array substrate and a display device. The electrode structure comprises a metal grid, the metal grid is formed by non-periodic tiling of a plurality of first pattern grids, a plurality of second pattern grids, a plurality of rotationally symmetric pattern grids of the first pattern grids and a plurality of rotationally symmetric pattern grids of the second pattern grids, the first pattern grids and the second pattern grids are axisymmetric structures; the first pattern grid is a triskaidekagon, and the internal angles of the triskaidekagon are 90°, 240°, 90°, 240°, 90°, 120°, 120°, 270°, 120°, 90°, 120°, 270° and 120° in sequence. The metal grid of the electrode structure is formed by non-periodic tiling of a special-shaped grid structure, so that the grid arrangement of the metal grid has no periodicity, and the moire of the display device is fundamentally improved; and all the grid patterns of the metal grid are obtained by rotationally symmetric and axisymmetric of one pattern, and the design difficulty of the metal grid is reduced.

The backlight module comprises a closed supporting structure formed by wrapping a lower iron frame with an upper rubber frame, an LED lamp is fixed to a PCB in the lower iron frame, a light guide plate is located in front of the LED lamp and guides light rays, and a diffusion plate and a diffusion film sequentially cover the light guide plate to make the light rays uniform; a plurality of spherical bosses are arranged on the front face of the light guide plate, and the spherical bosses enable light to be diffused more evenly through refraction and condensation effects. The back surface of the light guide plate is provided with a plurality of spherical concave areas which can avoid an LED backlight source and carry out secondary focusing on light rays at the same time. Compared with the prior art, the light guide plate has the advantages that the spherical bosses are arranged on the front face of the light guide plate, light can be diffused more evenly through the refraction and condensation effects of the spherical bosses, meanwhile, the spherical inwards-concave areas are arranged on the back face of the light guide plate, an LED lamp is avoided, secondary focusing is conducted on the light, and the display quality problem caused by uneven backlight in the local dimming technology is effectively solved.

Embodiments of the present application disclose a PCB ink color classification method, device and system for Micro-LED. The method comprises: acquiring a target circuit board image collected under linear light source irradiation of a target printed circuit board to be classified; performing regional division on the target circuit board image to obtain a plurality of target region images corresponding to the target printed circuit board; determining a first reflectivity corresponding to each target region image based on standard light source information of the linear light source, determining a second reflectivity and a target reflectivity range corresponding to the target printed circuit board based on the first reflectivity; performing ink color classification based on the second reflectivity, the target reflectivity range and a preset reflectivity variation range corresponding to each ink color category to determine a target ink color category corresponding to the target printed circuit board, thereby realizing ink color classification of the printed circuit board, ensuring ink color consistency after assembly of the printed circuit board, avoiding poor ink color effect and improving display quality of the display screen.

The present invention relates to a photosensitive colored resin composition for use in a cured film formed on an organic light-emitting element, the photosensitive colored resin composition comprising a colorant, an alkali-soluble resin, a photopolymerizable compound, a photoinitiator, and a solvent, the colorant comprises a first colorant having a maximum absorption wavelength of 480 nm to 520 nm and a second colorant having a maximum absorption wavelength of 560 nm to 600 nm, the transmittances of a cured film having a thickness of 3.0 [mu] m at 460 nm, 530 nm and 620 nm, which is formed by using the photosensitive colored resin composition, are 45% to 85%, the transmittance at a minimum transmission wavelength of 480 nm to 520 nm is 50% or less, and the transmittance at a minimum transmission wavelength of 560 nm to 600 nm is 25% or less.

A color conversion substrate and a display device including the same are provided. The color conversion substrate includes a base portion in which a first light-transmissive region, a second light-transmissive region spaced apart from the first light-transmissive region in a first direction, and a first light-blocking region between the first light-transmissive region and the second light-transmissive region are defined, a first color filter disposed on one surface of the base portion and overlapping the first light-transmissive region, a second color filter disposed on one surface of the base portion and overlapping the second light-transmissive region, a light-blocking pattern overlapping the first light-blocking region and disposed on one surface of the base portion, and a light-transmissive pattern disposed on the first color filter, the second color filter, and the light-blocking pattern, wherein the first color filter and the second color filter include a coloring material of a first color.

This utility model belongs to the field of LED display technology and discloses an outdoor LED grid display screen, including multiple LED light source emitters arranged in a grid array. Each LED light source emitter includes an emitter body and a light source emitting head. One side of the emitter body is a mounting surface and is mounted on a mounting frame. Multiple light source emitting heads are correspondingly embedded on the end face of the emitter body away from the mounting surface. The light emitted by the light source emitting heads is emitted horizontally in a wide-angle manner. Each light source emitter is equipped with a reflector located above the light source emitting head. One end face of the reflector is an inclined mirror surface, with its lower end abutting against the end face of the emitter body away from the mounting surface and its upper end away from this end face, so as to reflect part of the light emitted upwardly by the light source emitting head in a horizontal direction. This grid display screen can reduce the upward tilt of light and reflect it in a horizontal direction, thereby improving the brightness of the light and the clarity of the display screen.

This disclosure provides embodiments of a video encoding / decoding and display method, apparatus, electronic device, and computer-readable medium. One specific implementation of the method includes: splitting each video frame to be encoded to obtain a set of video frame blocks; determining a set of video frame block encoding channels that meet interrupt triggering conditions; performing key video frame block peak shifting processing on each video frame block to be encoded to obtain a set of key video frame encoding blocks and a set of channel delay encoding time differences; performing video encoding on each video frame block to be encoded to obtain a set of video frame block channel bitstreams; determining the decoding and splicing threads for the video frame block channel bitstream set to obtain a set of decoding and splicing threads; performing video frame block decoding and splicing on the video frame block channel bitstream set to obtain a decoded video; and performing video frame display processing on the decoded video. This implementation can improve the balance of the bitstream after video encoding, improve the stability and real-time performance of transmitted video, and reduce video transmission latency.

Embodiments of the present application provide an image processing method and device, electronic equipment and storage medium. The image processing method comprises: obtaining initial gray data corresponding to sub-pixel points of each color in a to-be-displayed picture; remapping the initial gray data corresponding to the sub-pixel points of each color based on a gray mapping curve of the sub-pixel points of each color to obtain mapping gray data corresponding to the sub-pixel points of each color; and the mapping gray data of the sub-pixel points of each color is used to generate a data signal of the sub-pixel points of each color to display the to-be-displayed picture. Embodiments of the present application can improve the problem of color abnormalities and improve display quality.

Embodiments of the present application provide a display panel and a display device. The display panel comprises: a substrate; a plurality of signal lines located on one side of the substrate; a plurality of light emitting elements located on the side of the signal lines away from the substrate; wherein the signal lines comprise overlapping portions, in a direction perpendicular to the display panel, the orthogonal projection of the overlapping portions on the substrate is located within the orthogonal projection of the light emitting elements on the substrate; in the direction perpendicular to the display panel, the light emitting layer overlaps with N overlapping portions, wherein N >= 2 and N is an integer; the shapes of at least two overlapping portions are different. The present application can weaken the influence of scattered light of the light emitting elements on the display effect and improve the display quality.

The electronic paper driving method and electronic paper device and their computer-readable storage medium include a K1 driving waveform and a K2 driving waveform; the K1 driving waveform includes an old image preparation stage and an A display stage; the K2 driving waveform includes an old image preparation stage, an A display stage, a waiting stage, and a B display stage; when displaying images U1 and U2, if the display interval between images U1 and U2 is greater than a set time T, the driving waveforms for both images U1 and U2 use the K1 driving waveform; when displaying images U1 and U2, if the interval between images U1 and U2 is less than a set time T, the driving waveforms for both images U1 and U2 use the K2 driving waveform; the U1 image is displayed in the A display stage, and the U2 image is displayed in the B display stage.