252results about How to "Improve coloring performance" patented technology

A light emitting sign comprising a light emitting display surface including at least one phosphor, and at least one radiation source configured to irradiate the display surface with excitation energy such that the phosphor emits light of a selected color. The sign further comprises a filter which is substantially transparent to light emitted by the display surface, filtering other colors of light. The display surface may be configured into a shape of a character, a symbol, or a device. Alternatively, a mask having at least one window substantially transparent to the emitted light and/or at least one light blocking region may be provided in which the window and/or light blocking region define a character, a symbol, or a device.

The invention discloses an image saturation processing method based on the depth of field, which is used to process scene data collected by an imaging device. The scene data includes a main scene image. The processing method comprises the following steps: processing scene data to judge whether there is a human image in the scene; if there is a human image in the scene, processing the scene data to identify a human image area; and processing a main scene image to reduce the saturation of the human image area. In addition, the invention discloses a processing device and an electronic device. According to the image saturation processing method, the processing device and the electronic device, if there is a human image area in a shot scene, the human image area is identified, and the saturation of the human image area is reduced. The saturation of the human image area is processed separately. The reduction in saturation of the human image area is conducive to the color performance of the human image area and a better image effect.

A display device and a method of manufacturing the same are provided. The display device includes an illuminate unit and a color filter. The illuminate unit has a light-emitting chip and a plurality of quantum dot phosphors for generating a color light which has an optical spectrum including the first blue peak wavelength, a first green peak wavelength, and a first red peak wavelength. The color filter is disposed in the light path of the color light, wherein the color filter has a transmittance spectrum having a second blue peak wavelength, a second green peak wavelength, and a second red peak wavelength. The first blue peak wavelength, the first green peak wavelength, and the first red peak wavelength respectively match the second blue peak wavelength, the second green peak wavelength, and the second red peak wavelength in order to enhance the color performance of the display device.

Exposed lens retroreflective article 10 that comprises a colored layer 14 and a layer of optical elements 12 that are partially embedded in the colored layer 14. The colored layer 14 comprises reflective flakes 16 and a dye that is covalently bonded to a polymer 18. The articles can retain their color after multiple industrial wash cycles. The use of a reactive dye, reflective flakes, and/or polymer precursor during the preparation of the colored layer enables a launderably-durable colored retroreflective article to be made without the use of a solvent and without the use of a temporary carrier.

The invention discloses a manufacturing method of a flexible display device, comprising the following steps of: forming a sacrificial layer on a first rigid substrate, and then forming a first soft substrate on the sacrificial layer, wherein the sacrificial layer is suitable for absorbing a bond dissociation light to generate the phenomenon of molecular scission, the bond dissociation light can penetrate through the first soft substrate, the penetration rate of a visible light of the first soft substrate is larger than the penetration rate of a visible light of the sacrificial layer; and then irradiating the sacrificial layer by using the bond dissociation light to generate the phenomenon of molecular scission so as to separate the first soft substrate and the first rigid substrate. Because the penetration rate of the visible light of the first soft substrate is high, the flexible display device can truly display true colors of an image, and the color expression of the flexible display device is further promoted.

A color filter array on pixel array substrate includes a substrate, an active device array, a wavelength converting layer, a first passivation layer, a second passivation layer, a color filter array, and a pixel electrode layer. The active device array is disposed on the substrate. The wavelength converting layer is disposed on the active device array and includes at least one first wavelength converting pattern. The first passivation layer is disposed on the wavelength converting layer and the active device array and covers the first wavelength converting pattern and the active device array. The color filter array is disposed on the first passivation layer and includes a plurality of first, second, and third color filter patterns disposed alternately. The first wavelength converting pattern is disposed corresponding to one first color filter pattern. The second passivation layer and the pixel electrode layer are sequentially disposed on the color filter array.

The present invention is a tinted, optical adhesive for use in making plasma display filters comprising a substantially acid free, pressure-sensitive adhesive (PSA) containing a narrow-band, visible spectrum dye (e.g. less than 30 nm bandwidth) and a broader-band, near infra-red spectrum dye (e.g. greater than 200 nm), the second dye providing enhanced thermal stability as well as near infra-red (NIR) blocking. Further, acid-free adhesives offer improved stability of light control dyes. In the present invention, porphyrin-based dyes combined with acrylate-based, pressure-sensitive optical adhesives are preferred. Invention offers reduced number of functional layers in an optical filter structure as well as reduced number of manufacturing (lamination) steps in the optical filter/plasma display assembly process.

The invention relates to an optical film, and particularly relates to a quantum dot wide-color-gamut polyester film for a backlight module. The quantum dot wide-color-gamut polyester film for the backlight module is provided by the invention in order to solve a problem that an existing liquid crystal display is low in color gamut range. The polyester film comprises a base layer, wherein both sides of the base layer are provided with a barrier layer; the base layer comprises a quantum dot layer and an anti-sticking layer, and the anti-sticking layer is located at two sides of the quantum dot layer; and the base layer is of an ABA three-layer co-extrusion structure, the A-layer is the anti-sticking layer, and the B-layer is the quantum dot layer. The quantum dot layer comprises the following components in raw material: 50-90% of a super bright polyester chip and 10-50% of a quantum dot master batch. The anti-sticking layer comprises the following components: 80-90% of the super bright polyester chip and 10-20% of an anti-sticking master batch. The percentage is a percentage by weight. The brightness enhancement film or the diffusion film is prepared at the surface of the polyester film. The prepared brightness enhancement film or the diffusion film can enable a backlight source to have high brightness and a high NTSC value.

The invention provides a projection system (100) comprising a projection light source (110) and a color wheel (120), wherein the projection light source (110) comprises a solid state light source (115), configured to generate a solid state light source beam (111) having a solid state light source beam cross-section. Upstream of the color wheel (120) beam shaping optics (161) are arranged, configured to shape the solid state light source beam cross-section into a rectangular cross-section. The color wheel (120) comprises regions (125) of different luminescent material (170), excitable by the solid state light source beam (111) and configured to generate, upon excitation by the solid state light source beam (111), visible light (116) for projection on an image panel (290). The regions (125) are arranged at different distances from an axis of rotation (122) of the color wheel (120).

Disclosed are a wide-color gamut film and its applications. While the wide-color gamut film is manufactured, the method firstly confirms the type of the backlight. The film is designed to filter some specified frequency bands, especially the bands adjacent to the frequencies of red, green and blue lights. The parameters are referred to decide an overall thickness and an overall refractive index, and prepare a plurality of high-polymeric thin films. A wide-color gamut film is formed by assembling the thin films according to the configuration. The invention also relates to a display using the wide-color gamut film. The film is disposed between a panel module and a backlight module of the display. The film serves to reduce or filter out the light transmittance within the determined bands. The wide-color gamut film is provided for improving the crosstalk phenomenon among the frequency bands of the backlight.

The invention relates to an electrophoresis display and a manufacturing method thereof. The manufacturing method of electrophoresis display is implemented by firstly forming a plurality of pixel electrodes arrayed in plural groups on a first substrate, and then configuring a plurality of electrophoresis displaying units on the pixel electrodes, wherein each electrophoresis displaying unit comprises a plurality of colored charged particles and the colored charged particles corresponding to each electrophoresis displaying unit has the same color; on the other hand, forming a nonopaque electrode on a second substrate and configuring the second substrate on the electrophoresis displaying units so that the nonopaque electrode is positioned between the electrophoresis displaying units and the second substrate. The inventive electrophoresis display can be driven by part of the pixel electrodes selectively according to the color of the picture to be displayed, thus having good color display.

A color sequential display and a display method using the same are provided. The color sequential display displays a frame in a frame period. The frame includes a plurality of sub-frames. The frame period includes a plurality of sub-frame periods corresponding to the sub-frames. In the display method, a first color light source is turned on according to a first duty cycle within a first sub-frame period for displaying a first sub-frame. Next, a second color light source is turned on according to a second duty cycle within a second sub-frame period for displaying a second sub-frame. Finally, the first color light source and the second color light source are respectively turned on according to a first modified duty cycle and a second modified duty cycle. The first modified duty cycle and the second modified duty cycle are proportioned to the first and the second duty cycles.

The present invention provides a method for measuring and adjusting gray-step white balance of display automatically, that is to measure the white chroma coordinates and brightness of a display using an apparatus, and selecting the chroma coordinates of the three primary colors of red, green, blue in the known chroma space, to calculate the required mixing proportion of composing the white of the display by red, green, blue, according to Grassman's Low of Color Mixture; at the same time, to calculate the required mixing proportion of composing ideal white from the red, green, blue under some objective color temperature; to compare the two mixing proportion, and to take one proportion as one group plus value of the three primary colors of red, green, blue of the display to solve the problem of wasting time as well as manpower by the traditional adjusting gray-step white balance, and avoiding the artificial error due to adjusting manually.

A flat display device is adapted for human eye observation with or without applying a NVIS (Night Vision Imaging System). The flat display device includes a display panel, a backlight module and a backlight driving unit. The backlight module includes multiple red light LEDs (Light Emitting Diodes), green light LEDs and blue light LEDs that form together a light source array, so as to generate a backlight by mixing and projecting the red light, green light and blue light to the display panel. The backlight driving unit is electrically connected with the light source array and used to drive and control the red light LEDs, green light LEDs and blue light LEDs. At a night-vision mode, the backlight driving unit may, upon actuation of a actuating signal, adjust or disable the red light LED by for example decreasing or turning off the driving electricity sent to the red light LED, thereby achieving the requirements for nigh vision purposes.