98results about How to "Improve color display" patented technology

The invention relates to an electrophoretic color display panel, the display panel comprising at least one pixel (10, 12), the at least one pixel (10, 12) comprising a layer cavity (18ab) containing a suspension with a first set of charged particles (24a) having a first optical property and a second set of charged particles (24b) having a second optical property, and a pair of control electrodes (20a, 20b) arranged adjacent to the layer cavity (18ab), such that charged particles (24a, 24b) are essentially in-plane displaceable in an in-plane direction within the layer cavity (18ab) upon application of a control voltage over the electrode pair, wherein the in-plane distribution of charged particles (24a, 24b) having first and second optical properties in the layer cavity (18ab) depends on at least one of a differing control property additional to any polarity difference of the charged particles (24a, 24b) for each set of charged particles, or at least one additional electrode arranged adjacent to the layer cavity, wherein the electrode pair (20a, 20b) and the at least one additional control electrode are arranged essentially outside of a viewing area (26) of the at least one pixel (10, 12), such that a composite optical property of at least a portion of the at least one pixel (10, 12) is controllable. According to the invention, the control electrodes will be arranged at essentially the outer ends, or arranged in-plane, at a peripheral, of a prolonged layer cavity, such that the particles move in an in-plane direction within the layer cavity when the control voltage is applied. This facilitates the handling of the pixel since the layer cavity can be reached from essentially the outside of the pixel. Another advantage is that since only a minor part of the pixel area has to be covered with an electrode material the total transmission and thus the brightness of the pixel can be optimized.

A backlight for color liquid crystal comprises a light-emitting layer having EL phosphor particles dispersed in a matrix of dielectrics, a transparent electrode layer disposed along a main surface on an emitting side of a light-emitting layer, and a reflective insulating layer and a rear electrode layer stacked in turn along a main surface on a non-emitting side of a light-emitting layer. An EL element, under the operational conditions of a voltage of 100 Vrms and a frequency of 400 Hz, emits white light of which brightness is 80 cd/m2 or more, and has characteristics of consumption power of 30 W/m2 or less. By the use of such EL element as a backlight, a color liquid crystal display device that is low in consumption power, excellent in display performance and suitable for a display portion of a portable information terminal can be provided.

A color liquid crystal display device includes a pair of oppositely disposed substrates each of which is provided with an electrode and has been subjected to homeotropic alignment treatment, and chiral nematic liquid crystal disposed between the pair of oppositely disposed substrates. The chiral nematic liquid crystal is capable of causing birefringence leading to a change in brightness and a change in hue depending on a voltage applied between the electrodes. The liquid crystal is twistedly aligned under electric field application to change a twisted angle, so that a fluctuation in birefringence with temperature is compensated.

The invention discloses a color film substrate, a liquid crystal display panel and a liquid crystal display device. The color film substrate comprises a red filter layer, a green filter layer, a blue filter layer, a first shade layer isolating the red and green filter layers, a second shade layer isolating the green and blue filter layers, and a third shade layer isolating the blue and red filter layers. The third shade layer is wider than the first and second shade layers. According to the embodiments, the shade layer between the blue and red filter layers is widened, color shift of the liquid crystal display panel is significantly decreased, and display effect of the liquid crystal display panel is improved.

The embodiment of the invention discloses a color adjustment method and device for an interface component, equipment and a medium. The method comprises the steps of obtaining a to-be-displayed image in an interface; determining a theme color according to the to-be-displayed image; and adjusting the background color of the component in the interface to the theme color. According to the technical scheme, the background color of the component in the interface can be changed along with the color change of the image to be displayed, the colors of various components in the interface are effectivelyimproved, and the color display effect of the interface is better.

The invention discloses a reflective display device with a light compensation module. The reflective display device comprises a light guide plate, at least one light source module, a photo sensor unit, a processing unit and a storage unit, wherein the light source module at least comprises a red light source, a green light source and a blue light source; the storage unit stores a preset intensity proportion parameters of three basic color light, namely red light, green light and blue light, of standard white light; the photo sensor unit detects the intensity of the three basic color light, namely the red light, the green light and the blue light, and converts the intensity into corresponding electric signals which are then output to the processing unit; and the processing unit determines the intensity proportions of the three basic color light according to the electric signals, compares the intensity proportions with the preset intensity proportion parameter, and starts the luminous light source of the corresponding color in the light source module when the intensity of any light in the three basic color light in ambient light is lower than the preset intensity proportion parameter. The light, emitted by the light source module, of the corresponding color, compensates the intensity proportion of the three basic color light, namely the red light, the green light and the blue light, in the ambient light, so the color display effect of the reflective display device is improved.

Provided is an electrophoretic display device including: a first substrate; a second substrate; an electrophoretic layer which is arranged between the first substrate and the second substrate and has at least a dispersion medium and particles mixed in the dispersion medium; a plurality of first electrodes which is formed in an island shape on the electrophoretic layer side of the first substrate and is provided for each pixel; and a second electrode which is formed on the electrophoretic layer side of the second substrate with an area wider than that of the first pixel electrode. Gradation is controlled using an area of the particles which are visually recognized when the electrophoretic layer is viewed from the second electrode side.

The invention relates to a colorant, a colored filter, a liquid crystal display (LCD), a composition and a preparation method thereof. The colorant covers pigment grains through acrylic polymer which comprises aromatic groups and has the acid value of more than 20mgKOH/g, thus not only improving the dispersing capacity of the pigment grains but also greatly enhancing the stability of the pigment grains. A photosensitive resin composition with the colorant ensures that the development performance is not affected basically, thereby meeting the requirements of high transmittance, high color purity and high contrast ratio of the colored filter. With the picture formed by the photosensitive resin composition with comparatively high dispersing stability and development performances, the coloredfilter greatly improves the transmittance, color purity and contrast ratio. The LCD remarkably improves the display effect of colored pictures through the colored filter with high transmittance, highcolor purity and high contrast ratio.

A color filter array includes a substrate, a light shielding layer, and color filter patterns. The light shielding layer is on the substrate and has openings exposing a surface of the substrate. Besides, the light shielding layer has a height H. The color filter patterns are located in the openings of the light shielding layer. Each color filter pattern has the maximum film thickness Lc and the minimum film thickness Ls, and the difference between the maximum film thickness Lc and the minimum film thickness Ls is ΔL. The maximum film thickness Lc of each color filter pattern satisfies (m×H)<Lc<(n×H), wherein m comprises about 0.83, n comprises about 0.91, the height H of the light shielding layer satisfies a<H<b, wherein a comprises about 1.6 um and b comprises 2.22 um, and the difference ΔL is less than about 0.39 um.

Optical engines using a reduced number of components offer advantages over more complex optical systems. Three panel optical engines have offered the advantage of relatively high throughput but at the cost of complexity and increased components on the bill of materials. Conventional two-panel engines have required the use of complex retarder structures to achieve the dual polarizations state for the three primary colors. The present invention achieves this goal while using simpler optical retarders.

An electrophoretic display device is provided with a first substrate, a second substrate, an electrophoretic layer which is arranged between the first substrate and the second substrate and has at least a dispersion medium and particles mixed in the dispersion medium, a first electrode which is formed in an island shape on the electrophoretic layer side of the first substrate for each pixel, and a second electrode which is formed on the electrophoretic layer side of the second substrate with an area wider than the first electrode, where gradation is controlled using an area of the particles which are visually recognized when the electrophoretic layer is viewed from the second electrode side.

An electrophoretic display device includes a first substrate and a second substrate, an electrophoretic layer disposed between the first substrate and the second substrate and containing at least a dispersion medium and positively or negatively charged particles mixed in the dispersion medium, first electrodes formed in island shapes and driven independently in respective pixels on a side of the electrophoretic layer of the first substrate, a second electrode formed on a side of the electrophoretic layer of the second substrate and having a larger area than the first electrodes, transistors connected to the first electrodes, and a first control electrode disposed in at least part of an area where the first electrodes are absent above a drain electrode of a first transistor of the transistors. A potential for repelling the particles is applied to the first control electrode.

The invention relates to the technical field of display, and particularly relates to a manufacturing method of a high-efficiency light conversion color display film. The manufacturing method comprisesthe following steps that A) a substrate is provided and the substrate is cleaned; B) a pixel isolation wall is manufactured on the cleaned substrate; C) the quantum dot material of the correspondingcolor is printed in the designed pixel area; D) a transparent protection layer is additionally arranged on the prepared quantum dots; and E) the quantum dot plate is aligned and fit with the corresponding OLED display pixels so as to form a color display device. The beneficial effects of the manufacturing method are that the following advantages can be obtained by application of the manufacturingmethod of the high-efficiency light conversion color display pixel film: 1) the light utilization rate can be enhanced for multiple times; 2) the display color area is extended so that the display color is enabled to be better; and 3) the monochrome display device can be colorized.

The invention provides an automobile instrument panel segment code screen color display device, production method and display method, and relates to the field of automobile instrument panel liquid crystal screens. In order to solve the problem that an existing segment screen display cannot realize a color gradation effect and the display is darker. A segment code screen of the device is arranged on the uppermost layer, a color film printed by UV is stuck below the segment code screen, and a color liquid crystal screen is arranged below the color film; the center of the color film printed by the UV is provided with a liquid crystal screen display port, the liquid crystal screen display port and a liquid crystal display area of a color liquid crystal screen have same sizes and correspondinglocations; the color film around the liquid crystal screen display port is provided with a color light transmission area, and areas except the color light transmission area are black light blocking areas; a liquid crystal screen assembly is arranged on a light guiding bracket, an instrument PCB board is arranged under the light guiding bracket; an LED light source is arranged on the instrument PCBboard, a light guiding hole is formed in the light guiding bracket, and the positions of the LED light source, light guiding hole corresponds to color light transmission area of the color film. The automobile instrument panel segment code screen color display device, production method and display method are suitable for the production of automobile instrument panels.

The invention relates to a color-electrophoresis type display media panel which can ensure excellent display luminance and excellent display quality heterogeneity and can improve the narrow viewing angle. The color-electrophoresis type display media panel comprises a transparent substrate, a color filter layer, a transparent electrode layer, a microcapsule layer, an adhesive laye and a back electrode plate which are overlapped in sequence; the microcapsule layer is directly overlapped on the transparent electrode layer; the average particle diameters in arbitrary direction are defined as X and the average particle diameters in the orthogonal direction are defined as Y in the state of observing the particle diameters of the microcapsule in the microcapsule layer from the observation side; the distribution of the microcapsules with the average particle diameters X is as follows: more than 80% of the microcapsules have the average particle diameters of above X1 (X-20mum) and below X2 (X+20mum), less than 20% of the microcapsules have the average particle diameters of below X1 (X-20mum), and less than 5% of the microcapsules have the average particle diameters of above X2 (X+20mum), wherein the X is 35-45mum; and the distribution of the microcapsules with the average particle diameters of Y is the same as that of the microcapsules with average particle diameters of X.

A color filter constituted by red, green, and blue color filter elements is formed on an internal surface of a front transparent substrate. A reflective film is provided on a part corresponding to approximately a half of a pixel area on an internal surface of a back transparent substrate. The half of the pixel area on which the reflective film is provided is a reflective portion, and approximately the other half is a transmissive portion. An inter-substrate gap and a thickness of the color filter in the transmissive portion are set such that transmissive display achieving high luminance and high contrast can be realized. A thickness of the color filter and the thickness of a liquid crystal layer in the reflective portion are set to optimal values so that reflective display achieving high contrast can be realized, by adjusting a thickness of a liquid crystal layer thickness adjusting layer.

The related LCD comprises a first/second substrate, a LC layer between substrates, and multiple color filter units every with some bending sub-filter units. This invention has better display effect.

The invention discloses a reflective liquid crystal display panel, a production method of the reflective liquid crystal display panel and a display device. In an unpowered case, a first alignment layer and a second alignment layer enable liquid crystal molecules to be completely and transversely arranged to form one direction, the liquid crystal molecules can drive chiral molecules to turn to onedirection, and at the moment, light on all wave bands is not absorbed, totally reflected by a reflection layer and displayed in a white state; and when pixel electrodes are applied with different voltages, transverse electric fields formed by the pixel electrodes and common electrodes, in which the liquid crystal molecules at different positions are positioned, are different in size, the liquid crystal molecules at different positions are promoted to have different transverse rotation angles so as to drive the chiral molecules to rotate by different angles, the chiral molecules rotating by different angles are different in absorption ratio for light on different wave bands, which is incident into ambient light inside the panel, and the reflection layer reflects the light on different wavebands out of the display panel to implement color display. Additionally, according to the invention, a color resistance layer does not need to be arranged, and thus, transmissivity is impoved, brightness and a contrast ratio are improved, and a color display effect is excellent.

An anti-colorcast display panel is provided, comprising horizontal scanning lines and vertical data lines. It further includes sub-pixels disposed between adjacent scanning lines and adjacent data lines and arranged in a form of array. Every m×n sub-pixels form a pixel unit. Each sub-pixel includes a transistor whose gate is connected to the scanning line, source is connected to the data line, and drain is connected to two capacitors. The connections of the transistors in corresponding sub-pixels in each pixel unit are same. The data line will connect two adjacent sub-pixels in one row respectively when connecting the sources in the pixel unit, while the gates of the two adjacent sub-pixels are connected to the upper and lower scanning line. The extent of colorcast can be suppressed when implementing color mixing with the present invention, thus improving the color-displaying effect of the display panel, especially for the narrow-frame monitor.