150results about How to "Reduce moiré" patented technology

The invention provides an LED display screen and a three-dimensional display device thereof. A short-wavelength LED chip array is utilized for sending light, the light penetrates through a short-wave filter coating to irradiate the light conversion material to give out light or to be directly emit out, and then color display is achieved. On that basis, a diffusion barrier, a brightening film and a parallax barrier optical grating are arranged to achieve three-dimensional display. Compared with the prior art, only one LED chip needs to be driven, and a driving circuit is simple, stable and reliable. Due to the fact that the photoluminescence of quantum dots and other materials is utilized for achieving displaying, after the light penetrates through the diffusion barrier and the brightening film, the point light source of each pixel is changed into an area light source, tenderness during watching is achieved, the color gamut is high, and moire fringes can be effectively reduced.

A plurality of pixels is arranged periodically in the x-axis direction and the y-axis direction in the display panel of a display device, and because light is blocked by the portion other than the open part in each pixel, the display panel has a two-dimensional lattice structure. The pixels are rectangular, and the length Px of the long edges in the x direction is larger than the length Py of the short edges in the y direction. A louver, in which transparent regions and non-transparent regions are arranged periodically in a one-dimensional direction, is provided on the display panel, and the angle formed by the x axis and the one-dimensional period direction of the louver is 45 degrees or less, and preferably 10 degrees or less. This configuration makes it possible to obtain an optical element having high directivity, reduced moiré, and high transmittance. It is also possible to obtain a display device having excellent display quality into which the optical element is incorporated.

The invention relates to a polymeric optical film comprising a base provided with integral optical features on at least one side, wherein the features have two or more sides that form a ridge line, wherein the optical film has light leakage through crossed polarizers of less than 1.0%.

The invention discloses a liquid crystal lens comprising a first basal plate, a second basal plate, a first electrode, a second electrode, a first alignment layer, a second alignment layer and a liquid crystal layer, wherein the first basal plate and the second basal plate are arranged in parallel at a preset distance, the first electrode is arranged on the first basal plate, the second electrode is arranged on the second basal plate, the first alignment layer is covered on the first electrode, the second alignment layer is covered on the second electrode, and the liquid crystal layer is arranged between the first alignment layer and the second alignment layer. According to the liquid crystal lens disclosed by the invention, the aim of reducing Moires generated between the light rays of a display and the liquid crystal lens is realized by adopting various electrodes with different forms, so that the picture is more exquisite. Therefore, the display effect of stereo display is enhanced.

Provided is a contrast enhancing sheet having an excellent bright room contrast function and laid on the screen of a display unit, comprising a plurality of light transmitting portions each having a trapezoid-like sectional shape in a predetermined direction, and a plurality of light absorbing portions each having a wedge-like sectional shape, the top side of the trapezoid-like sectional shape of the light transmitting portion being adjacent to the bottom side of the wedge-like sectional shape of the light absorbing portion, wherein a light diffusion means is provided at the top side of the trapezoid-like sectional shape of the light transmitting portion.

The invention discloses a touch screen and a display device. The touch screen comprises first strip electrodes and second strip electrodes, which are arranged in different layers in a cross manner, wherein the side edges, located at the two sides of the extension direction, of each first strip electrode located on the upper layer of the corresponding second strip electrode are provided with wavy structures, and an included angle between each of all fold line segments forming the wavy structures and the extension direction of the first strip electrodes is an acute angle; in a touch control time period, the first strip electrodes are used for loading touch control scanning signals, and the second strip electrodes are used for coupling voltage signals of the touch control scanning signals and outputting the voltage signals; or the second strip electrodes are used for loading the touch control scanning signals, and the first strip electrodes are used for coupling the voltage signals of the touch control scanning signals and outputting the voltage signals. The side edges, at the two sides of the extension direction, of each first strip electrode are provided with the wavy structures, so that Moire patterns resulting from interference of light caused by regular patterns of the edges of the first strip electrodes can be reduced, then, the visibility of the Moire patterns on the surface of the touch screen is eliminated, and the quality of display of the touch screen is improved.

A method of noise removal from a digital image, especially moiré noise, comprising providing a three-dimensional representation of a at least one image color channel as a surface over the plane of the image, creating a virtual surface patch, placing the surface patch against topography in the three-dimensional surface mapping of the image so that the virtual surface patch intersects topography of the three-dimensional surface with respect to at least some pixels of the image surface region, adjusting the height, tilt and curvature of the surface patch with respect the image surface in order to optimally represent the surface, then estimating a palliative value for the image surface for at least one pixel within the area of the surface patch from the adjustment of the surface patch, and replacing the value of the at least one pixel in the at least one image color channel with the palliative value.

An image display device modulates light from a light source according to display image data and displays an image, and includes a first light modulation element that modulates light from the light source, a second light modulation element that modulates light from the first light modulation element, and an illumination optical system that leads a light beam, which has been modulated by the first light modulation element, to the second light modulation element; the illumination optical system comprising an optical element that spectrally illuminates a light beam from the first light modulation element to the second light modulation element at a predetermined position, the optical element being provided between the first light and second light modulation elements and the optical element including a prism group including prism elements, each prism element including a refractive surface that refracts an incident light in a predetermined direction.

The invention provides a capacitance touch control panel comprising a substrate and a plurality of sensing units. Each sensing unit is formed by two first sensing pads, a first bridge-connection electrode, two second sensing pads and a second bridge-connection electrode, wherein the first sensing pads basically extend along a first direction; the first bridge-connection electrode is mounted between the first sensing pads and connected with the same; the second sensing pads basically extend along a second direction; the second bridge-connection electrode is mounted between the second sensing pads and connected with the same; each sensing unit comprises at least one first sensing unit and a second sensing unit; and a length direction of the second bridge-connection electrode of the first sensing unit, a length direction of the second bridge-connection electrode of the second sensing unit, the first direction and the second direction are different from each other.

Disclosed is a prism sheet structure that can control optical coupling between contact surfaces of two prism sheets in a backlight unit. The prism sheet includes: a structural surface (14) having non-planar peaks (11) with maximum height and minimum height along a length direction thereof; and a curved layer (17) having the same cycle as a cycle of height variation of the peak. The curved layer is formed at a boundary surface (16) between the structural surface 14 and the flat surface to maintain the right-angled isosceles triangular prisms formed due to a difference between the highest point and the lowest point of each of the peaks to have a predetermined size, so that distance between the valleys (12) is uniform along the length direction. Although shapes of prisms are identical, the cycle of the peak height variation allows the moire patterns to be suppressed or removed.

The invention provides a stereo display device and relates to the technology field of photoelectricity. The stereo display device is capable of weakening moire pattern and improving stereo display effect. The stereo display device comprises a display panel and a transmission grating, wherein the display panel and the transmission grating are arranged in parallel. The transmission grating comprises a plurality of lens units. Each lens unit is provided with aberration. The distance H between the display panel and the transmission grating is equal to F plus or minus delta, wherein the F is the equivalent focal length of each lens unit and the delta is adjustment threshold. The stereo display device is suitable for the display device manufacturing field.

The invention discloses a three-dimensional display device. A plurality of closely arranged sub-pixels form a pixel structure, wherein the sub-pixels in each line of sub-pixels are arranged in an aligned manner. The sub-pixels in two adjacent lines of sub-pixels are staggered by one half sub-pixel in the row direction. The color of each sub-pixel is different from the colors of adjacent sub-pixels. A corresponding three-dimensional grating comprises a plurality of strip-shaped grating structures which are periodically arranged in the horizontal direction, wherein the extending direction of each strip-shaped grating structure is same and furthermore is at a certain inclination angle with the horizontal direction. At least two sub-pixels in the sub-pixels which correspond with each strip-shaped grating structure display different viewpoint images. The inclined strip-shaped grating structures are utilized for cooperating with the pixel structure in which the sub-pixels are staggered by one half sub-pixel in the row direction, and the proportion of the sub-pixels which are simultaneously covered by two adjacent strip-shaped grating structures can be reduced, thereby reducing crosstalk and Moire patterns in three-dimensional display, and improving view effect of three-dimensional display.

The invention discloses a grating type stereoscopic display device which comprises a display panel and a plurality of parallel gratings. The display panel is used for displaying an N-viewpoint view formed by arranging rectangular pixels in equal sizes, the clearances between the rectangular pixels form a plurality of first parallel black lines and a plurality of second black lines perpendicular to the first black lines, and the intersection points of the first black lines and the second black lines are black matrix intersection points. The parallel gratings are arranged in front of the display panel in an overlapped mode, and the grating pitch of each grating is a set value so that when at least one of the two parallel edges of each grating crosses with two adjacent first black lines, intersection points formed through crossing cannot be overlapped with the black matrix intersection points of two adjacent first black lines. The device and a method are used for solving the technical problem that in the prior art, serious Moire patterns exist on the displayed image of a naked-eye stereoscopic display device.

The invention discloses a three-dimensional display device. A pixel structure is formed by a plurality of sub-pixels arranged compactly, all the sub-pixels in each row of the sub-pixels are arranged in an aligned mode, the sub-pixels in every two adjacent rows of the sub-pixels are staggered by the position of a half sub-pixel in the line direction, and the color of each sub-pixel is different from colors of the adjacent sub-pixels. A corresponding three-dimensional grating comprises a plurality of strip-shaped grating structures arranged periodically in the horizontal direction, wherein the extending directions of all the strip-shaped grating structures are identical and form a certain inclined angle with the horizontal direction, and each strip-shaped grating structure corresponds to at least two sub-pixels, displaying different viewpoint images, in all the lines of the sub-pixels. The inclined strip-shaped grating structures are adopted to be matched with the pixel structure with all the sub-pixels staggered by the position of the half sub-pixel in the line direction, and the proportion of the sub-pixels covered by the two adjacent strip-shaped grating structures at the same time can be reduced, so that crosstalk and moire generated in the three-dimensional display process are reduced, and the watching effect of three-dimensional display is improved.

The invention discloses a touch screen and a display device. The touch screen comprises first strip electrodes and second strip electrodes, which are arranged in different layers in a cross manner, wherein the first strip electrodes located on upper layers of the second strip electrodes are provided with patterns which are used for preventing the generation of interference caused Moire patterns; in a touch control time period, at least part of the first strip electrodes are used for loading touch control scanning signals, and the second strip electrodes are used for coupling voltage signals of the touch control scanning signals and outputting the voltage signals; or in the touch control time period, the second strip electrodes are used for loading the touch control scanning signals, and at least part of the first strip electrodes are used for coupling the voltage signals of the touch control scanning signals and outputting the voltage signals. The first strip electrodes are provided with the patterns which are used for preventing the generation of the interference caused Moire patterns, so that Moire patterns resulting from interference of light caused by regular patterns of the edges of the first strip electrodes can be reduced, then, the visibility of the Moire patterns on the surface of the touch screen is eliminated, and the quality of display of the touch screen is improved.

The invention discloses a method and device for acquiring RGB data, including acquiring a first horizontal interpolation result and a first vertical interpolation result of a pixel corresponding to the R channel/B channel in an image; acquiring the horizontal gradient and the vertical gradient of the pixel corresponding to the R channel/B channel in the image; determining that the absolute value of the difference of the horizontal gradient and the vertical gradient is greater than 0 and less than a first preset threshold, and reconstructing the pixel value of the G channel of the pixel corresponding to the R channel/B channel in the image based on the weight average of the first horizontal interpolation result and the first vertical interpolation result; reconstructing the pixel values of the R channel and the B channel of the pixel corresponding to the G channel in the image; and reconstructing the pixel value of the B channel of the pixel corresponding to the R channel in the image and the pixel value of the R channel of the pixel corresponding to the B channel in the image based on the reconstructed pixel value of the G channel of the pixel corresponding to the R channel and the B channel in the image. The method and device for acquiring RGB data reduce pseudo colour and moire and improve the visual quality of images.

The present invention provides a color film substrate and a method for manufacturing thereof as well as a display device and a method for manufacturing thereof. On one hand, according to an embodiment of the present invention, a metal layer and a first alignment mark are formed at a side of a base substrate first, and then a second alignment mark may also be formed in the same position at the other side of the base substrate; the two alignment marks are completely the same in vertical projection on the base substrate; and alignment can be achieved by the method by capturing the second alignment mark via overlapping of the second alignment mark and a film layer for forming a black matrix layer. The technical problem provided by the embodiment of the present invention may allow improvement in accuracy of alignment between a black matrix layer and a metal mesh to a certain extent, thereby reducing moires to a certain extent with enhanced display effect of the display device.

A printing system for use in printing objects of any of a plurality of different object types includes a printer; and a printer control device with a user interface having a first option for associating printer-independent print-quality characteristics with a selected object type to be printed by said printer. A printer-independent print-quality characteristic is an instruction associated with an element, such as object type, in an electronic page which indicates printer-independent features that are preferentially emphasized when printing the element. Examples of printer-independent print quality characteristics include “make sharp edges”, “reduce mottle”, “distinguish neighboring colors”, “reduce moiré”, “distinguish tone and edges”, “maximum tone depth”, “perceptual colors” and “compress without loss of detail”. The printing system may also include a device for retrieving printer-independent print-quality characteristics associated with a document to be printed by said printer and for associating printer-dependent imaging actions with the printer-independent print-quality characteristics.

The invention discloses a stereo display device. The stereo display device comprises a first pixel array and a lens array, wherein the pixel array comprises a plurality of sub pixels; the lens array comprises a plurality of columnar lenses in parallel arrangement, wherein each columnar lens comprises a central shaft which is oblique corresponding to the first direction and forms an oblique angle with the first direction; the lens array is used for receiving and transmitting light rays emitted by the sub pixels, and P viewpoints are formed at one viewpoint end; the sub pixels for forming each viewpoint are arranged corresponding to the central shaft, wherein P>=2 and P is an integer. The stereo display device can be used for reducing the Moire effect generated because the cycle structures of the lens array and the pixel array are relatively approximate.

An image sensor having a pixel unit in which a plurality of pixels are two-dimensionally arranged, and a scanning unit that selects row or rows and causes signals to be output from pixels in the selected row or rows, each of the pixels comprising: a photoelectric converter; a storage portion; a transfer portion configured to transfer a signal charge generated by the photoelectric converter to the storage portion, if each of the pixels is included in the selected row or rows; and an output portion configured to output a pixel signal corresponding to the signal charge transferred to the storage portion. In a merged readout mode, a capacitance of the storage portion of a pixel in a row or rows except a predetermined row among the plurality of selected rows is different from that in the predetermined row.