39results about How to "Avoid color deviation" patented technology

A display panel and a fabrication method thereof are provided. The display panel includes a substrate, a plurality of thin film transistor devices, color filters having different colors and a plurality of auxiliary color filter patterns. The thin film transistor devices and the color filters are disposed in corresponding pixel regions of the substrate, and each color filter layer has an opening uncovering one corresponding thin film transistor device. The auxiliary color filter patterns are respectively disposed in the openings of the color filter layers, and the auxiliary color filter patterns have the same light transmission spectrum.

The invention provides a three-dimensional printer with a cleanable injecting head. The three-dimensional printer comprises a frame, a working table, a first fixed rod, a second fixed rod, a slide rod, a first driving mechanism, a lifting rod, a cleaning box, a second driving mechanism, a third driving mechanism, a fourth driving mechanism, the injecting head, a printing material box and a control unit, wherein the working table is mounted in the frame; the first fixed rod and the second fixed rod are mounted at the top of the frame in parallel, and are positioned above the working table; a plane where the first fixed rod and the second fixed rod are positioned on is parallel to the surface of the working table; the two ends of the slide rod are respectively mounted on the first fixed rod and the second fixed rod in a sliding manner; and the first driving mechanism is used for driving the slide rod to slide along the first fixed rod and the second fixed rod. The injecting head is withdrawn into the cleaning box, and is cleaned by cleaning fluid, so that a residual printing material in the injecting head is removed without influencing the next printing quality.

The invention discloses a display panel, a display device and a driving method. The display panel comprises a substrate, a sub-pixel array and a data line. In a plurality of sub pixels on the same line, the sub pixels for inputting first voltage data signals and the sub pixels for inputting second voltage data signals are arrayed alternately. The two sub pixels, on the same column, in a same pixelunit input the first voltage data signals and the second voltage data signals respectively. In the two adjacent pixel units on the same column, the sub pixels with same colors input the first voltagedata signals and the second voltage data signals respectively. In the sub pixels with the same colors and on the same line, the number of the sub pixels for inputting positive-polarity first voltagedata signals is the same as the number of the sub pixels for inputting negative-polarity first voltage data signals. The polarity driving modes adopted by the two adjacent pixel units on the same column are opposite. By the display panel, large-view color cast of large-size display panels can be improved.

The emission intensity of a laser beam source, at a time when a laser beam emitted from the laser beam source and scanned by an optical scanning device becomes incident to a laser beam detector provided in a predetermined position on the scanning path of the laser beam in order to hold a position of an electrostatic latent image formed on a photoreceptor constant in the main scanning direction, while at the same time, changing the emission intensity of the laser beam, is set so as to become the consistently same emission intensity regardless of a change in emission intensity at the time of electrostatic latent image formation onto a photoreceptor. This allows the detection timing of a laser beam by a laser beam detector to be kept constant.

The invention discloses a fine color blending method for colored spun yarn. The fine color blending method for the colored spun yarn includes cloth sample imaging, color blending fiber component, test weaving sample imaging, color processing, data comparison and chromaticity regulation and further comprises sending an e-mail to a traveling merchant for confirmation. The fine color blending method for the colored spun yarn sets a color processing software, and the color processing software uses a computer to image a colored spun yarn cloth sample, detect trichromatic chromaticity and store the trichromatic chromaticity. The fine color blending method for the colored spun yarn shortens the production period, improves the manual color matching stability, realizes to use a data table to describe color difference, avoids the color deviation and quality dispute of a product and lowers such cost as sample sending cost, the information storage effect is good, and the economical benefit is high.

The invention discloses a display panel, a display device and a driving method. The display panel comprises a substrate, a sub-pixel array and a plurality of data lines, wherein the sub-pixel array includes a plurality of pixel groups. Sub-pixels for inputting first voltage data signals and sub-pixels for inputting second voltage data signal are alternately arranged, in the multiple sub-pixels ofthe same color in the same row, the number of sub-pixels for inputting positive first voltage data signals and the number of sub-pixels for inputting negative first voltage data signals are the same,and polarity driving modes used by two adjacent pixel groups in the same column are opposite. According to the display panel, a large view angle color offset problem of a large-sized display panel canbe improved, at the same time, a color deviation caused by difference of the number of the sub-pixels for inputting the positive first voltage data signals and the number of sub-pixels for inputtingthe negative first voltage data signals can be avoided, and the quality of an outputted picture is improved.

A light emitting diode includes a base, a light emitting chip, and a wavelength converting layer. The base is formed with a recessed portion that has a bottom wall surface, and a sidewall surface extending upwardly from the bottom wall surface and cooperating with the bottom wall surface to define a receiving space. The light emitting chip is provided on the bottom wall surface of the receiving space, and has a top chip surface disposed below a top surface of the base, and a peripheral chip surface extending downwardly from the top chip surface and being substantially parallel to and forming a gap with the side wall surface of the recessed portion. The wavelength converting layer is filled in the receiving space in the recessed portion so as to cover the top chip surface and the peripheral chip surface of the light emitting chip.

An image forming device is provides, which comprises a body to be scanned that moves in a sub-scanning direction; a writing means for scanning the body in a main scanning direction with a light beam according to image information to form a reference image on the body and repeating the scanning plural times to form plural images; and a second body on which the plural images are overlaid to form a color image. The writing means starts writing the reference image at a start time ty1 when a main scanning synchronizing signal is firstly generated by the writing means after a time tx1 when a predetermined time has lapsed from detection of an image forming start signal of the sub-scanning direction for the reference image. A start time for an image other than the reference image is changed depending on the start time of the reference image.

The invention discloses a display panel, a display device and a driving method. The display panel comprises a substrate, a sub pixel array and a plurality of data lines. Among the plurality of sub pixels at the same rows, the sub pixels with first voltage data signals inputted and the sub pixels with second voltage data signals inputted are arranged alternately; the first voltage data signal and the second voltage data signal are inputted into the two sub pixels at one same column in one same pixel unit respectively; the first voltage data signals and the second voltage data signals are inputted respectively into the sub pixels with the same colors at the same columns in the adjacent pixel units; and among the multiple sub pixels with the same colors at the same rows, the number of the subpixels with positive first voltage data signals inputted is the same as the number of the sub pixels with the negative first voltage data signals inputted. Therefore, the large-view-angle color castproblem of the large-size display panel can be improved; and the quality of the outputted picture of the display panel is improved.

The invention discloses a display panel, a display device and a driving method. The display panel is composed of a substrate, a sub pixel array, and a plurality of data lines. When the plurality of data lines input first voltage data signals and second voltage data signals into a plurality of sub pixels in the sub pixel array, the sub pixels with the first voltage data signals inputted and the subpixels with the second voltage data signals inputted are arranged alternately; and among the multiple sub pixels with the same colors at the same rows, the number of the sub pixels with positive first voltage data signals inputted is the same as the number of the sub pixels with the negative first voltage data signals inputted and the polarities of the data signals of the multiple sub pixels at the same columns are identical with each other. According to the display panel disclosed by the invention, the large-view-angle color cast problem of the large-size display panel can be improved; and the color deviation problem of the outputted picture of the display panel can be avoided, so that the quality of the outputted picture of the display panel is improved.

The present invention discloses a color sequence offset modulation method and device, which modulates the colored backlights of a multi-color backlight source to have a dark interval in the time points of shifting the colored backlights and makes the dark interval coincide with the close delay interval caused by the delayed response of liquid crystal, whereby the latter colored backlight will not mix with the former colored backlight during the close delay interval, wherefore the present invention can avoid the color deviation caused by color mixing and can present the designed colors correctly.

The invention discloses a display panel, a display device and a driving method. The display panel comprises a substrate, a subpixel array and multiple data lines. When the data lines input first voltage data signals and second voltage data signals into the subpixel array, subpixels inputting the first voltage data signals and subpixels inputting the second voltage data signals are alternately arranged, and in the subpixels with same color and in a same row, number of the subpixels inputting the first voltage data signals with positive polarity and number the subpixels inputting the first voltage data signals with negative polarity are equal. The problem of large-view-angle color offset of large-size display panels can be improved, and color offset of pictures output by the display panel can be avoided, so that quality of the pictures output by the display panel is improved.

The invention relates to the pigment field, and discloses a natural mineral pigment color difference test method taking polydimethylsiloxane as a substrate. The method comprises the following steps: 1) natural mineral pigment crushing; 2) pigment powder particle size screening; 3) preparation of polydimethylsiloxane; 4) mixing the pigment powders with the polydimethylsiloxane; 5) spin coating of the mixed solution; 6) vacuum polymerization of the polydimethylsiloxane; 7) standing and curing of the polydimethylsiloxane; and 8) color difference analysis. The natural mineral pigment color difference test method taking the polydimethylsiloxane as the substrate can be used for test of color difference of various natural mineral pigments, and has very important practical significance for study of the natural mineral pigments in China.

The invention discloses a light-emitting assembly, a manufacturing method thereof and a light-emitting device. The light-emitting assembly comprises an epitaxial substrate, an N-type material layer, a light-emitting layer, a P-type material layer, a passivation layer, an anode bonding pad and a cathode bonding pad, wherein the anode bonding pad extends from the upper surface of the P-type material layer to the upper surface of the epitaxial substrate along the passivation layer; and the cathode bonding pad extends from the upper surface of the P-type material layer to the surface of the N-type material along the passivation layer and then extends to the upper surface of the epitaxial substrate. On the one hand, the bonding pads are arranged on the side wall and the bottom of the light-emitting layer to form the light-emitting assemblies, color deviation caused by light mixing of different-color light rays emitted by the two adjacent light-emitting assemblies is avoided, and therefore the display quality is improved; on the other hand, the solder paste is coated on the side wall and the bottom of the bonding pad to form the solder paste layer, so that the contact area of the solder paste layer and the bonding pad of the driving substrate is increased, the push-pull resistance of the light-emitting assembly is improved, the light-emitting assembly is prevented from falling off due to stress, and the display quality is improved.

The invention provides an OLED display panel. The OLED display panel comprises a plurality of sub-pixels arranged in an array, a plurality of scanning signal lines, a plurality of light-emitting signal lines, a plurality of first driving voltage lines, a plurality of data signal lines, at least one second driving voltage line and at least one third driving voltage line, wherein the scanning signallines, the light-emitting signal lines and the first driving voltage lines extend in the horizontal direction, and the data signal lines, the second driving voltage lines and the third driving voltage lines extend in the vertical direction, wherein each scanning signal line is connected with a row of sub-pixels, each light-emitting signal line is connected with a row of sub-pixels, each first driving voltage line is connected with a row of sub-pixels, and each data signal line is connected with a column of sub-pixels; the first driving voltage line corresponding to each row of sub-pixels is connected with the second driving voltage line through a first thin film transistor; and the first driving voltage line corresponding to each row of sub-pixels is connected with the third driving voltage line through a second thin film transistor, so that brightness deviation or color deviation of the sub-pixels during light emitting can be avoided.

The emission intensity of a laser beam source, at a time when a laser beam emitted from the laser beam source and scanned by an optical scanning device becomes incident to a laser beam detector provided in a predetermined position on the scanning path of the laser beam in order to hold a position of an electrostatic latent image formed on a photoreceptor constant in the main scanning direction, while at the same time, changing the emission intensity of the laser beam, is set so as to become the consistently same emission intensity regardless of a change in emission intensity at the time of electrostatic latent image formation onto a photoreceptor. This allows the detection timing of a laser beam by a laser beam detector to be kept constant.

The invention relates to a laser light source illumination and display system. The system comprises a laser module, a wavelength conversion device, a reflection cup and a light pipe; and a beam of laser emitted by the laser module is focused on a transmission type fluorescent color wheel to generate light rays with converted wavelength, and the light rays with converted wavelength and part of light rays with original wavelength are collected into the light pipe through the reflection cup. The system has the advantages that the light collecting efficiency is high, and the light rays radiated bythe two sides of the transmission type fluorescent color wheel is collected; the light rays with converted wavelength are directly filtered and purified through coatings on the two sides of the fluorescent color wheel, the other filtering color wheel can be removed, so that the space and the cost are reduced, and meanwhile, the color deviation caused by the matching error of the filtering color wheel is avoided; the angle of the light rays which are finally collected in the light pipe is small, namely, the light spreading amount is small, and the follow-up optical path design of a projector can become simple; and the trouble of multi-optical-path light combining is avoided.

A printer includes printing unit provided on a conveying path of a recording sheet and sheet feed unit provided on the downstream and upstream sides of the printing unit in a conveying direction of a recording sheet. The printer includes a platen roller, a first sheet feed roller, a second sheet feed roller, a first branch transmission gear group, a second branch transmission gear group, and thrust amount adjusting unit. A tooth trace of one of the gears of each of the first and second branch transmission gear groups has an inclination angle with respect to an axial direction, and the first and second branch transmission gear groups are formed of first and second idler gears including inclined gear portions of which inclined directions of tooth traces are the same as each other.

A light emitting diode includes a base, a light emitting chip, and a wavelength converting layer. The base is formed with a recessed portion that has a bottom wall surface, and a side wall surface extending upwardly from the bottom wall surface and cooperating with the bottom wall surface to define a receiving space. The light emitting chip is provided on the bottom wall surface of the receiving space, and has a top chip surface disposed below a top surface of the base, and a peripheral chip surface extending downwardly from the top chip surface and being substantially parallel to and forming a gap with the side wall surface of the recessed portion. The wavelength converting layer is filled in the receiving space in the recessed portion so as to cover the top chip surface and the peripheral chip surface of the light emitting chip.

Disclosed is a direct type reflective sheet structure, comprising a reflective sheet, on which a plurality of light emitting diode light sources are arranged in an array. A plurality of triangular prism-shaped microstructures is arranged at intervals on the reflective sheet around each of the light emitting diode light sources. Each of the microstructures has a reflective surface facing the light emitting diode light source to reflect light emitted by the light emitting diode light source. Further disclosed is a direct type backlight module. By implementing the embodiment of the present invention, it can avoid the appearance of color deviation on the display panel and reduce the loss of light.

A display device and a method of manufacturing the same are provided. The display device includes a window part having a three-dimensional pattern on a front surface thereof instead of a pattern film layer, a color printing layer formed on a rear surface of the window part, a shielding printing layer formed on a rear surface of the color printing layer, and a display part provided on a rear surface of the shielding printing layer.

The embodiment of the invention discloses a display panel and a display device. The display panel includes: a pixel array, the pixel array includes a plurality of first repeating units arranged in an array; the first repeating unit includes a first color sub-pixel, a second color sub-pixel and a white sub-pixel, and the first repeating unit includes a first color sub-pixel, a second color sub-pixel and a white sub-pixel The light emitted by the sub-pixels of one color and the sub-pixels of the second color can be mixed to form white light. In the display panel and the display device provided by the embodiments of the present invention, the sub-pixels of the first color and the sub-pixels of the second color are arranged in repeating units including white sub-pixels, and the light emitted by the sub-pixels of the first color and the sub-pixels of the second color It can be mixed to form white light, which solves the problem of yellowish picture in the existing RGBW display panel, and can effectively improve the display brightness of the display panel at the same time.

The invention discloses a display panel, a display device and a driving method. The display panel includes a substrate, a sub-pixel array and a plurality of data lines; when the plurality of data lines input a first voltage data signal and a second voltage data signal to a plurality of sub-pixels in the sub-pixel array, the input signal of the first voltage data signal The sub-pixels and the sub-pixels to which the second voltage data signal is input are alternately arranged, and in a plurality of sub-pixels of the same color in the same row, the sub-pixels to which the first voltage data signal of positive polarity is input and the first voltage data signal of negative polarity are input The number of sub-pixels is the same. The display panel can improve the large viewing angle deviation problem of the large-sized display panel, and at the same time, it can also avoid the color deviation of the output image of the display panel, and improve the output image quality of the display panel.

The invention provides a display panel and a manufacturing method thereof. The method includes the following steps: providing a light-transmitting substrate of which one surface is provided with a semi-light-transmitting reflective layer thereon; the surface of the semi-light-transmitting reflective layer of the light-transmitting substrate forming a reflective plate, such that the surface that faces towards the semi-light-transmitting reflective layer of the reflective plate is parallel to a reflective surface of the light-transmitting substrate, forming a movable reflective unit in the reflective plate, the surface of the reflective plate that faces towards the semi-light-transmitting reflective layer acting as the reflective surface of the reflective plate. The method guarantees that the light-transmitting substrate and the reflective plate are parallel in corresponding parts, realizes substantially flattened interface surfaces, obviates the need for the limit on height differences in distances of the two interface planes by absolute flatness, thus preventing deflection of color display and increasing imaging quality.

Embodiments provide a light-emitting device package including a light source, a lens disposed on the light source, and a diffuser located on at least one of the interior of the lens or a light emission surface of the lens, so as to diffuse light. The diffuser includes at least one of a light dispersing agent distributed in the interior of the lens, or at least one light diffusion structure located on at least one of the outside or the inside of the light emission surface of the lens. The light diffusion structure includes a rough surface formed on the light emission surface of the lens.

Disclosed is a direct type reflective sheet structure, comprising a reflective sheet, on which a plurality of light emitting diode light sources are arranged in an array. A plurality of triangular prism-shaped microstructures is arranged at intervals on the reflective sheet around each of the light emitting diode light sources. Each of the microstructures has a reflective surface facing the light emitting diode light source to reflect light emitted by the light emitting diode light source. Further disclosed is a direct type backlight module. By implementing the embodiment of the present invention, it can avoid the appearance of color deviation on the display panel and reduce the loss of light.