31results about How to "Moiré suppression" patented technology

A lens array sheet includes a lens layer having a lens surface on which a plurality of lenses are formed in an array, and a light diffusion layer arranged at an opposite side to the lens surface of the lens layer, for diffusing light directing toward the lens layer, wherein the light diffusion layer has a light reflection portion, which is embedded in at least a part of a non-light focusing region of the lens layer, for reflecting light passing through the non-light focusing region and directing toward the lens layer.

The present invention provides an inspection method and device for a display panel, which may quickly and correctly inspecting display unevenness of a display panel. The method and device use a pick-up member having a lens system and a pick-up element to pick up displayed image, and inspect the display unevenness of the display panel according to the picked up image. The inspection device comprises a focusing member for focusing relative to the display panel of the pick-up member; a dispersal member for dispersing light of the image by adjusting distance between the lens system and the pick-up element, thereby restraining Moire fringe generated when picking-up the displayed image on the display panel. A light filter installation section for installing optical light filter is provided between the lens system and the pick-up element.

An optical member 15 is provided with a planar light transmitting sheet (22), and many convex random microlenses 23 arranged within a surface of the light transmitting sheet 22. Since the many convex random microlenses 23 are arranged within the surface of the light transmitting sheet 22, generation of moire is suppressed even when the optical member is overlapped with a liquid crystal panel 11 having cyclically arranged pixels PE.

Provided is a prism sheet which has high effects of suppressing moire fringes, high front brightness and reduced number of components when it is used as a prism sheet for a backlight unit for a liquid crystal display device. The prism sheet has a prism row having ridges formed parallel to each other at equivalent intervals on one surface and a light diffusion layer containing porous particles on the other surface. The prism sheet preferably has the prism row on one surface and the light diffusion layer on the other surface by having a light transmitting sheet in between.

A light condensing filter has plural prisms formed on a surface of a flat substrate and on the opposite surface to the surface, and light from a light source is condensed by the plural prisms, wherein the plural prisms formed on the surface are designed in a linear shape extending in a specific direction on the surface and arranged in a direction perpendicular to the specific direction, the plural prisms formed on the opposite surface are designed in a linear shape extending in the direction perpendicular to the specific direction on the opposite surface and arranged in the specific direction, and the plural prisms formed on the surface and the plural prisms formed on the opposite surface are irregularly arranged.

A light condensing filter has plural prisms formed on a surface of a flat substrate and on the opposite surface to the surface, and light from a light source is condensed by the plural prisms, wherein the plural prisms formed on the surface are designed in a linear shape extending in a specific direction on the surface and arranged in a direction perpendicular to the specific direction, the plural prisms formed on the opposite surface are designed in a linear shape extending in the direction perpendicular to the specific direction on the opposite surface and arranged in the specific direction, and the plural prisms formed on the surface and the plural prisms formed on the opposite surface are irregularly arranged.

A lens array sheet includes a lens layer having a lens surface on which a plurality of lenses are formed in an array, a light reflection layer arranged at an opposite side to the lens surface of the lens layer and having an opening within a light focusing region in the lenses to transmit light, for reflecting light at a site other than the opening, and a light diffusion layer arranged between the lens layer and the light reflection layer, for diffusing light, which passes through the opening and is directed toward the lens layer.

An illuminating device includes a light source, an optical waveguide that emits light from the light source through an emission surface thereof, and a prism sheet that is provided on the emission surface side of the optical waveguide. In the illuminating device, the following relationship is established between a refractive index x of the prism sheet and an apex angle y of a prism: y=107.86x−140.43+M (−4≦M≦4).

A display device includes: a display unit having a region which emits color light for displaying a stereoscopic image including images of a plurality of viewing points; and a separation unit that separates optically the images of the respective viewing points from each other so that the images of different viewing points are observed by different eyes of a viewer, wherein in a visible region on the display unit in which the image of a predetermined viewing point observed by the viewer is displayed, the region which emits the color light is present at each position of the stereoscopic image in a parallax direction regardless of a viewing position of the viewer who observes the stereoscopic image.

The invention relates to a method and a device for controlling lens focusing, thereby effectively suppressing Moire patterns generated during image acquisition. The method comprises the steps: determining a first focusing position in a process of driving a lens group to move in a preset interval; determining a second focusing position based on the first focusing position and a preset deviation value; and driving the lens group to move to the second focusing position. According to the technical scheme of the invention, the coherence between the detail resolution of the photographed object and the repetition unit space frequency of the photosensitive element of the image collector can be reduced, and the moire generated during image collection can be effectively suppressed.

The invention provides a transparent conductive film structure and a preparation method thereof, and the transparent conductive film structure comprises a first metal grid which comprises a pluralityof first metal wires which are arranged in parallel at intervals and a plurality of second metal wires which are arranged in parallel at intervals, the first metal wires extend along a first direction, and the second metal wires extend along a second direction; the width of the first metal wire is greater than that of the second metal wire; the second metal grid is located on the first metal grid,the second metal grid comprises a plurality of third metal wires arranged in parallel at intervals and a plurality of fourth metal wires arranged in parallel at intervals, the third metal wires extend in the first direction, and the fourth metal wires extend in the second direction; and the width of the third metal wire is smaller than that of the fourth metal wire. The transparent conductive film structure can effectively inhibit moire, and therefore it is guaranteed that the metal grid touch screen has a good optical effect when the transparent conductive film structure is used for the metal grid touch screen.

The present invention provides a liquid crystal display device in which the generation of moiré, which occurs when a voltage is applied, is suppressed in a liquid crystal mode in which a vertical alignment type liquid crystal is driven using at least one pair of comb-shaped electrodes. The liquid crystal display device of the present invention includes: a liquid crystal display panel having a liquid crystal layer and a pair of substrates sandwiching the liquid crystal layer; and a backlight unit disposed on the back side of the liquid crystal display panel, wherein one of the pair of substrates is The substrate has a pair of comb-shaped electrodes whose comb teeth are alternately meshed with each other. The above-mentioned liquid crystal layer contains liquid crystal molecules with positive dielectric constant anisotropy. Orientate in a direction perpendicular to the surface of one of the substrates, the above-mentioned backlight unit has an optical sheet with a plurality of fold lines parallel to each other on the surface, and the pitch width of the pair of comb-shaped electrodes is the same as the pitch width of the fold lines of the above-mentioned optical sheet is a non-integer multiple relationship.

The invention seeks to provide a transmissive screen that can be manufactured at a low cost and show uniform diffusion and moire-free images over the entire screen, and to provide a rear projector provided with such a superior transmissive screen. A transmissive screen includes a Fresnel lens portion having Fresnel-lens components on its light-exiting face and a lens array facing the light-exiting face of the Fresnel lens portion and having many lenses on its light-incident face. The transmissive screen further includes separating means for separating the Fresnel lens portion from the lens array portion at least in the periphery of the screen. A rear projector includes such a superior transmissive screen.

A liquid crystal display device includes a light source, at least one optical member having a periodic structure of 75 μm or more, pixels disposed in a matrix state, and at least one optical member with light scattering properties.

A lens array sheet includes a lens layer having a lens surface on which a plurality of lenses are formed in an array, and a light diffusion layer arranged at an opposite side to the lens surface of the lens layer, for diffusing light directing toward the lens layer, wherein the light diffusion layer has a light reflection portion, which is embedded in at least a part of a non-light focusing region of the lens layer, for reflecting light passing through the non-light focusing region and directing toward the lens layer.

A display device includes: a display section including a plurality of pixels, the display section displaying a plurality of perspective images; and a plurality of separating sections each tilted in a first oblique direction, and each separating the perspective images displayed on the display section into different directions. Each of the pixels has a shape extending differently between in the first oblique direction and in a second oblique direction, the second oblique direction being tilted in a direction opposite to the first oblique direction with respect to a vertical direction.

A liquid crystal display device includes a light source, at least one optical member having a periodic structure of 75 μm or more, pixels disposed in a matrix state, and at least one optical member with light scattering properties.

An illumination device (10) includes: a light source (14) which emits light; a light guiding plate (12) for propagation of the emitted light; and a prism sheet (18) having a plurality of prisms (26) for refracting the propagating light. The prism sheet (18) contains anisotropic particles (31) having diffusion anisotropy.The arrangement direction (18a) of the prisms (26) is shifted from the longitudinal direction (31a) of the anisotropic particles (31) by an angle greater than 0 and smaller than 5 degrees on the planar direction of the prism sheet (18). This can effectively suppress generation of moire while suppressing spread of the light luminance half-value angle.

The present invention discloses an electromagnetic shielding member and a display. The electromagnetic shielding member comprises: a light-transmissive substrate; and a first shielding module comprising a first bonding layer, a first conductive layer and a first light absorption layer which are sequentially stacked on the substrate. The first shielding module is in a grid shape and is provided with first meshes penetrating through the first bonding layer, the first conductive layer and the first light absorption layer. When the technical scheme is applied to a screen of the display, on one hand, electromagnetic waves can be shielded, on the other hand, the light transmission characteristic does not affect a user to watch a picture displayed on the screen, and in addition, the first light absorption layer can restrain moire patterns of the screen and light reflection of the first conducting layer so as to provide good impression.

The problem addressed by the present invention lies in providing a touch panel capable of suppressing the occurrence of moire without causing graining to occur, and a display device onto which the touch panel has been stacked. In order to solve this problem, a touch panel is provided with a first electrically conductive layer including a plurality of conductor wires, and a second electrically conductive layer including a plurality of conductor wires, wherein: in a plan view in a state in which the first electrically conductive layer and the second electrically conductive layer are stacked on one another, a pattern of continuously arranged virtual quadrilaterals VS, which are virtual quadrilaterals having the same shape, formed by the first conductor wires and the second conductor wires, isdefined as a reference pattern; in the first electrically conductive layer and the second electrically conductive layer respectively, parts where the conductor wires intersect constitute less than 10% of virtual vertices VP, which are the parts corresponding to all virtual vertices of the virtual quadrilaterals VS; and in a plan view, each actual vertex CP, which is a vertex formed by the two conductor wires, is disposed in a position displaced by an amount of displacement at least equal to 1% and less than 50% of the length of a pitch WP, which is the length of one side of the virtual quadrilateral VS, from the virtual vertex VP.

Provided is a method for manufacturing a substrate with electrodes formed thereon, wherein positional accuracy is excellent even when a thin film transparent substrate that is difficult to see is used, transmittance differences and moire can be suppressed, and yield is high. This method for manufacturing a substrate with electrodes formed thereon in which a first electrode, an insulating layer, and a second electrode are formed on a first transparent substrate having a thickness of no greater than 200 [mu]m comprises: a step for forming the first electrode on at least one surface of the firsttransparent substrate; a step for forming the insulating layer on the surface on which the first electrode of the transparent substrate is formed; and a step for forming the second electrode on the insulating layer, wherein the first electrode and / or the second electrode are opaque.

The present invention provides an inspection method and device for a display panel, which may quickly and correctly inspecting display unevenness of a display panel. The method and device use a pick-up member having a lens system and a pick-up element to pick up displayed image, and inspect the display unevenness of the display panel according to the picked up image. The inspection device comprises a focusing member for focusing relative to the display panel of the pick-up member; a dispersal member for dispersing light of the image by adjusting distance between the lens system and the pick-up element, thereby restraining Moire fringe generated when picking-up the displayed image on the display panel. A light filter installation section for installing optical light filter is provided between the lens system and the pick-up element.

The present invention discloses an electromagnetic shielding member and a display. The electromagnetic shielding member comprises: a light-transmissive substrate; and a first shielding module including a first bonding layer, a first conducting layer, and a first light absorption layer. The first bonding layer is laminated on the substrate. The first conducting layer is arranged on the side, away from the substrate, of the first bonding layer. The first light absorption layer is arranged on the first conducting layer, the first bonding layer is light-permeable, the first shielding module is in a grid shape, and the first shielding module is provided with first meshes at least penetrating through the first conducting layer and the first light absorption layer. When the technical scheme is applied to a screen of the display, on one hand, electromagnetic waves can be shielded, on the other hand, the light transmission characteristic does not affect a user to watch a picture displayed on the screen, and in addition, the first light absorption layer can restrain moire patterns of the screen and light reflection of the first conducting layer so as to provide good impression.

Provided are a reflective liquid crystal display device and electronic equipment that appropriately suppress moire fringes. The reflective liquid crystal display device is equipped with a liquid crystal panel and a front light unit, and the liquid crystal panel has: a reflective electrode; a first substrate, which is provided with a reflective electrode; a transparent electrode, which is opposite to the reflective electrode and arranged for every multiple unit pixels; the second a substrate provided with a transparent electrode; a liquid crystal layer provided between the first substrate and the second substrate; and a sheet-shaped anisotropic scattering member laminated on the second substrate in which low-refractive-index regions are mixed and a high-refractive-index region having a higher refractive index than the low-refractive-index region, the front light unit has: a light guide plate that is laminated on the face of the second substrate side of the liquid crystal panel, and multiple grooves with a pitch of less than 100 μm; and a light source that makes light incident to the light guide plate, wherein the pitch of the unit pixel is larger than the average arrangement interval of the high refractive index regions of the anisotropic scattering member.

In an image processing method for reducing an input image while preventing moire without deterioration of image quality, presence / absence of periodicity is detected for each pixel on the input image, and if there is periodicity, an image period is detected (S4). Sample points are sequentially extracted from the input image at prescribed sampling intervals (S5). A value is obtained by multiplying the image period by n (n is a natural number) that exceeds the sampling interval, to set a smoothing area. Pixels around a sample point is smoothed in the set smoothing area. The pixel value for a reduced image is obtained (S6). If there is an unprocessed sample point (NO at S8), the step goes back to S6, and the next sample point is subjected to a similar process. If the process is terminated for all the sample points (YES at S8), the reduced image is output.

The invention discloses a preparation method of an electromagnetic shielding component and the electromagnetic shielding component. The preparation method of the electromagnetic shielding component comprises the following steps: providing a light-permeable substrate; and forming a grid-shaped first shielding module on the substrate. The first shielding module comprises a first bonding layer, a first conducting layer and a first light absorption layer, wherein the first bonding layer is stacked on the substrate, the first conducting layer is stacked on the side, away from the substrate, of the first bonding layer, the first light absorption layer is arranged on the first conducting layer, the first bonding layer is light-permeable, and the first meshes of the first shielding module at least penetrate through the first conductive layer and the first light absorption layer. According to the technical scheme, the electromagnetic shielding component with light transmission is manufactured.

The present invention provides an image processing device capable of suppressing occurrence of moiré fringes or false colors when performing color display by sub-pixels of four colors. The image processing device has a filter processing unit. The filter processing unit limits the frequency bands of the X-direction and Y-direction frequencies of the signals R, G, B, and W based on the positional relationship between the sub-pixels corresponding to the respective colors and other sub-pixels. Furthermore, the filter processing unit adjusts the frequency response of the image signal of each color according to the amplitude of the high-frequency component of the image signal corresponding to each other color.

Provided is a prism sheet which has high effects of suppressing Moiré fringes, high front luminance and reduced number of components when it is used as a prism sheet for a backlight unit for a liquid crystal display device. The prism sheet has a prism row having ridges formed in parallel to each other at equivalent intervals on one surface and a light diffusion layer containing porous particles on the other surface. The prism sheet preferably has the prism row on one surface and the light diffusion layer on the other surface by having a light-transmissive substrate in between.