119results about How to "Realize color display" patented technology

The invention discloses a single holographic diffraction optical waveguide lens and a 3D display device using the lens. The single holographic diffraction optical waveguide lens comprises a diffraction optical waveguide lens unit; the diffraction optical waveguide lens unit comprises an optical waveguide and three functional areas arranged in the upper or lower surface of the optical waveguide; and the three functional areas, namely, the first, second and third functional areas, are arranged in different positions of the same planar space of the optical waveguide, used to output an image light bean to the human eyes, and are provided with holographic diffraction gratings respectively. The space multiplexing single holographic diffraction optical waveguide lens is provided with the multiple functional areas creatively, the single waveguide can satisfy requirements for a near 3D display system, and compared with a multi-layer holographic diffracted waveguide lens, the lens of the invention is much thinner.

The invention provides a collimation backlight module and a display device. The collimation backlight module comprises a first light guide plate, a collimation light source, a first collimation lighttaking part, a first flat layer, a second light guide plate, a first diffraction modulation part, a second diffraction modulation part, a second collimation light taking part and a third collimation light taking part and is characterized in that the collimation light source couples collimation light into the first light plate to perform total reflection transmission; the first collimation light taking part takes out first-color light in the collimation light in the first light guide plate in a way that the first color light is vertical to a first light-emitting face and in a collimation manner, takes out the second-color light in the collimation light in the first light guide plate at first inclination angle and in a collimation manner and takes out the third-color light in the collimationlight in the first light guide plate at second inclination angle and in a collimation manner; the first flat layer covers the light-emitting face of the first light guide plate; the second light guide plate is arranged on the first flat layer; the first diffraction modulation part couples the second-color light into the second light guide plate inn a diffraction modulation manner to perform totalreflection transmission; the second diffraction modulation part couples the third-color light into the second light guide plate in a diffraction modulation manner to perform total reflection transmission; the second collimation light taking part vertically takes out the second-color light in a collimation manner; the third collimation light taking part vertically takes out the third-color light in a collimation manner. The collimation backlight module can provide three-color collimation backlight to achieve colored display.

The invention provides a manufacturing method of a color filter substrate and the color filter substrate. The manufacturing method of the color filter substrate includes the steps that a red quantum dot and green quantum dot mixed layer is formed through a printing technology and overlaid with red color resistance blocks and green color resistance blocks, and transparent color resistance blocks are adopted to replace blue color resistance blocks and serve as a barrier wall of the red quantum dot and green quantum dot mixed layer, so that the three primary colors of red, green and blue are achieved under the blue backlight source, and accordingly color display is achieved. Compared with a traditional printing technology of the red quantum dot and green quantum dot mixed layer, a special barrier wall material is omitted, meanwhile a printable zone is relatively enlarged, and high-resolution printing manufacturing is facilitated. According to the color filter substrate, the red quantum dot and green quantum dot mixed layer overlaid with the red color resistance blocks and the green color resistance blocks is arranged, and the transparent color resistance blocks are adopted to replace the blue color resistance blocks and can serve as the barrier wall of the red quantum dot and green quantum dot mixed layer, so that the structure is simple and the production cost is low.

The embodiment of the invention provides a quantum dot LED (light emitting diode) display panel and a display device. The quantum dot LED display panel comprises the following realization steps that light rays emitted by an electroluminescent quantum dot material layer pass through a white color barrier to be emitted out, and / or do not need to pass through the color barrier to be directly emitted, and in addition, at least one part of light rays emitted by the electroluminescent quantum dot material layer pass through the color barrier to be emitted out, so the color display is realized. Compared with the prior art, the quantum dot LED display panel has the advantages that all light rays emitted by the electroluminescent quantum dot material layer are used for exciting the electroluminescent quantum dot material layer to give out light, the light rays emitted by the electroluminescent quantum dot material layer are utilized to pass through the color barrier in three colors, the color display scheme is realized, because the light rays emitted by the electroluminescent quantum dot material layer do not need to be filtered, the light rays absorbed by the color barrier layer are reduced, and the light transmittance of the quantum dot LED display panel can be effectively improved.

The invention provides a thermotropic display element, which comprises a sealed shell, a first heating element and a second heating element, wherein the sealed shell comprises an upper substrate and a lower substrate which are oppositely arranged; the first heating element is arranged on the upper substrate; and the second heating element is arranged on the lower substrate. The upper substrate has a semitransparent structure and comprises a first surface and a second surface opposite to the first surface. The thermotropic display element also comprises a color material layer, wherein the color material layer is arranged inside the sealed shell and is converted through phase change between the upper substrate and the lower substrate under alternative heating action of the first heating element and the second heating element. The invention also provides a thermotropic display device which applies the thermotropic display element.

The invention discloses an optical system and a head-mounted display device provided with the optical system. The optical system is located between an image generation unit and an image receiver, and comprises a lens, a light splitting assembly, a light modulation assembly and a polarization filter, wherein the lens is used for forming a pre-set focal distance of image optical information of an image generation unit; the light splitting assembly is used for enabling target light in the image optical information of the image generation unit to move back and forth for a plurality of times to pass through the lens and then enter the image receiver, and comprises a first light splitting device arranged between the lens and the image generation unit and a second light splitting device arranged between the lens and the image receiver; the light modulation assembly is used for modulating a polarization state of incident polarized light; and the polarization filter is used for stopping scattered light from entering the image receiver. The head-mounted display device comprises the optical system and the image generation unit. The optical device disclosed by the invention is relatively simple and effective; and a light path can be shortened through utilizing one piece of the lens, and the whole weight of the display device is reduced. The device has a small total length, a small size and a light weight and is convenient for a user to carry and use.

The embodiment of the invention provides an LED chip, an LED luminous substrate, a display device and a color display control method and relates to the technical field of LED display. The problem that the conventional Micro LED manufacturing and transferring process for color display is high in difficulty can be solved. The LED chip comprises an N type semiconductor layer, a quantum well layer and a P type semiconductor layer. A material of the quantum well layer comprises indium gallium nitride, wherein a molar ratio of an indium in the indium gallium nitride is greater than or equal to 0.3. The indium gallium nitride serves as a main material of the quantum well layer in the LED chip, and the molar ratio of the indium in the indium gallium nitride is greater than or equal to 0.3, so that when the luminous substrate made of the LED chip is applied to the display device, the color displayed by light rays emitting from the luminous side of the LED chip can be controlled by adjusting current input into the LED chip; and therefore, color display applied to the display device is realized.

The invention relates to an automobile instrument display device based on a segment code screen, in particular to a segment code screen and colored liquid crystal display screen combined display device, belongs to the technical field of automobile instrument display and aims to solve the problems that light shading and transmitting parts of existing automobile instruments have larger color difference and the displayed light atmosphere effect is not satisfied. The segment code screen and colored liquid crystal display screen combined display device comprises a light shading cover, a light shading cylinder, a screen ring, the segment code screen, a colored liquid crystal display screen, a light guiding cover, a PCB (printed circuit board) and a bottom casing, wherein the light shading coverand the screen ring are detachably arranged on the light shading cylinder, an inner groove is formed in the middle of the light guiding cover, the colored liquid crystal display screen is detachably mounted in the inner groove, the segment code screen is larger than the colored liquid crystal display screen and covers the outer side of the colored liquid crystal display screen, the PCB is fixedlymounted on the rear side of the light guiding cover, and the bottom casing is fixedly mounted on the rear side of the light guiding cover. The visual effect is very remarkable, so that an automobile instrument becomes high-end, and the effect of increasing the attractiveness of the automobile instrument with less input can be realized.

The invention discloses a display base plate and a driving method and a display device of the display base plate, relating to the technical field display and aiming at reducing the power consumption of the display device. The display base plate is provided with multiple first light-transmitting areas distributed into an array, each first area is used as a sub-pixel, at least two adjacent sub-pixels form one pixel, all sub-pixels in each pixel correspond to backlights with different colors respectively, the display base plate also comprises multiple light shading structures corresponding to the sub-pixels one by one, and each light shading structure is used for adjusting the light ray transmitting rate of one sub-pixel. The power consumption of the display device can be reduced.

The invention provides an organic light-emitting diode (OLED) device structure and a display device. An OLED comprises a transparent substrate and a multi-line multi-row light-emitting pixel unit formed on the transparent substrate, wherein the light-emitting pixel unit comprises multiple light-emitting pixels for providing multiple visible coloured light. The OLED also comprises an ultraviolet light-emitting pixel used for transmitting an ultraviolet light source. According to the invention, an OLED display device can realize colour display and can serve as an ultraviolet source to be used, the function of the OLED display device is expanded, and the user experience is improved.

The invention provides a Micro-LED display substrate, a making method thereof and a display device, and belongs to the technical field of display. The Micro-LED display substrate comprises a circuit substrate, blue light LED arrays, barricades and quantum dot light conversion membranes, wherein the blue light LED arrays are located on the circuit substrate; the barricades are located between adjacent LEDs and define multiple containing parts, and the containing parts correspond to the LEDs one by one; the quantum dot light conversion membranes capable of emitting multiple colors are located inthe containing parts, and the colors can be mixed to form white light. In the technical scheme, a making technology of the Micro-LED display substrate can be simplified, uniformity of light emittingintensity of sub pixels with different colors can be guaranteed, and the service life of the Micro-LED display substrate can be prolonged.

The invention discloses a blue-phase liquid crystal displayer with a continuously-controllable view angle. The blue-phase liquid crystal displayer with the continuously-controllable view angle comprises an upper polarizer, an upper lambda / 4 double-axis membrane, an upper lambda / 2 negative A piece, an upper lambda / 4 positive A piece, an upper glass substrate, a first Common electrode, a first protective layer, blue-phase liquid crystals, a second protective layer, an electrode layer, an insulating layer, a second Common electrode, a lower glass substrate, a lower lambda / 4 negative A piece, a lower lambda / 2 positive A piece, a lower lambda / 4 double-axis membrane and a lower polarizer in sequence from top to bottom, wherein the electrode layer comprises first Pixel electrodes and second Pixel electrodes, and the first Pixel electrodes and the second Pixel electrodes are distributed in an alternate mode. The blue-phase liquid crystal displayer with the continuously-controllable view angle successfully overcomes the defect that the contrast ratio of a traditional blue-phase liquid crystal displayer with a controllable view angle only ranges from 10 to 30 under the condition of the narrow view angle. When different offset voltage is applied to an offset electrode, the narrow view angle mode that view angles are different in display effect and the contrast ratio continuously changes can be achieved.

The invention provides a display device and a driving method thereof, and belongs to the technical field of display. The problem that an existing electrophoretic display device can only conduct black and white gray scale display, or imaging color saturation is decreased when color display is conducted can be solved. The display device comprises a first substrate and a second substrate which are arranged oppositely, electriferous opaque particles, a first electrode and a second electrode are arranged between the first substrate and the second substrate, the electriferous opaque particles are located in a pixel region formed by the first substrate, the second substrate, the first electrode and the second electrode in an enclosing mode, a first electric field is formed by the first electrode and the second electrode, part of the electriferous opaque particles move to the first electrode under the action of the first electric field, and the other part of the electriferous opaque particles move to the second electrode under the action of the first electric field, so that light irradiated on the second substrate is sent out through the pixel region and a color film layer of the first substrate.

The invention relates to the technical field of display, and discloses an electrowetting display panel and a display device. The display panel comprises a first substrate and a second substrate which are oppositely arranged, wherein a first transparent electrode and an electric control dielectric layer of electrogenerated hydrophilic shading fluid or hydrophobic shading fluid are formed on the first substrate, a quantum dot solution is arranged between the shading fluid and the second substrate, when voltage is applied to the electric control dielectric layer through the first transparent electrode, shrinkage of the shading fluid is controlled, the quantum dot solution is exposed, light entering from the back side of the first substrate is irradiated to the quantum dot solution, quantum dots are stimulated to give out light automatically, colored display is achieved, high display brightness is achieved, the color is bright, color saturation is good, and the display effect is improved. Meanwhile, a sealed grid-shaped space is filled with the quantum dot solution and the shading fluid which are not compatible with each other, the transmission-type colored display device can be implemented through a single-layer electrowetting structure, the structure is simple, and the manufacturing technology is simplified.

The invention provides a blue phase liquid crystal display device and a manufacturing method thereof. The blue phase liquid crystal display device provided by the invention is characterized in that a quantum dot is doped in a blue phase liquid crystal layer, the grain size of the quantum dot is nanometer-scale, the temperature range of blue phase liquid crystal can be widened, the hysteresis can be reduced and the quantum dot can realize photoluminescence so as to form colorful display. The blue backlight can be applied to the display device, so that the backlight use ratio can be effectively increased, the color gamut of the panel can be promoted and the backlight can be applied to the aspects of quick display and 3D display. According to the manufacturing method for the blue phase liquid crystal display device provided by the invention, the manufacturing difficulty is low, the manufactured blue phase liquid crystal display device has wide blue phase temperature range, the alignment layer and the colorful light-filtering layer are not required, and the blue backlight can be applied to 3D display.

The invention provides a display substrate, a display panel and a display device, relates to the technical field of displaying, and solves the problem that the existing color film layer subunit is not pure in illumination. The display substrate comprises a plurality of display units, wherein each display unit at least comprises a first subunit, a second subunit and a third subunit; the first subunit displays first color light, the second subunit displays second color light, and the third subunit displays third color light; the first color light, the second color light and the third color light are light in different colors; the first subunit comprises a first quantum luminous layer; the first quantum luminous layer comprises a first quantum stick which emits the first color light; the second subunit comprises a second quantum luminous layer; the second quantum luminous layer comprises a second quantum stick which emits the second color light.

The present invention relates to a surface light source device and a display device. The surface light source device for illuminating a display member of a display has first and second light guide plates stacked with a low-refractive layer interposed therebetween. The side edge on the light entrance side of one light guide plate is on the opposite side to the other, and the light emergence surface of the first light guide plate faces the back of the second light guide plate with a low-refractive layer. In each light guide plate, from the light entrance side to the far end side, a light emergence suppression region, a light emergence gradual increasing region, and a light emergence promoting region are formed. Though each light source group is composed of at least two point light sources outputting lights with different colors, the lights with different colors are mixed in the light emergence suppression region to prevent the output of light with non-uniform color phase from the emergence surface of the second light guide plate.

The invention discloses a periodic gradual change raster display waveguide and a manufacturing method and application thereof. The waveguide comprises a front surface and a rear surface, and the frontsurface is provided with a raster structure. The period and inclination angle of the raster structure changes at a pixel level in a horizontal direction in a discrete manner. The manufacturing methodcomprises the steps: calculating an emergent position of light on the raster waveguide; calculating a raster inclination angle; calculating a raster period; and manufacturing the periodic gradual change raster display waveguide according to all parameters. The application is used for color display, and comprises a plurality of periodic gradual change raster display waveguides which are sequentially overlapped. The application is also used for an extended exit pupil, and comprises a plurality of periodic gradual change raster display waveguides, wherein each two adjacent periodic gradual change raster display waveguides are separated by the size of one exit pupil. According to the invention, the periodic gradual change raster display waveguide is high in precision and diffraction efficiency, is clear in contour, and can achieve a big view field angle.

The embodiment of the invention discloses a display panel and a production method thereof. The display panel includes a backplane, and a plurality of first light emitting devices, a plurality of second light emitting devices and a plurality of third light emitting devices on the backplane. The first light emitting devices, the second light emitting devices and the third light emitting devices emitlight of different colors. The second light emitting devices overlap with the first light emitting devices in a direction perpendicular to the display panel. Through the technical scheme of the invention, color display of the display panel is realized with lower process difficulty, fewer process steps and higher production yield under the condition that the sizes of the light emitting devices ofthe display panel are very small.

The invention relates to an electrowetting display panel and a control method thereof. The electrowetting display panel comprises a plurality of pixel units; and each pixel unit consists of a plurality of sub pixel units. Each sub pixel unit includes at least two liquid layers and at least one electrode layer. Each liquid layer and each electrode layer are laminated alternately. Each liquid layer consists of liquid, a first insulation layer, a second insulation layer, and a side wall; the liquid is accommodated into the space encircled by the first insulation layer, the second insulation layer, and the side wall and includes a hydrophobic flow medium with a color and a transparent hydrophilic flow medium. And the insulation layer adjacent to the electrode layer in each liquid layer is a hydrophobic insulation layer.

A liquid crystal display comprises a top polarizer 11, an optical compensating element, an anisotropic scattering layer 10, a scattering layer 9, and a liquid crystal device 20. When the direction of viewing direction of the anisotropic scattering layer is designated as the Y-axis direction, and a direction oriented substantially at right angles to the Y-axis direction is designated as the X-axis direction, light entering the anisotropic scattering layer is scattered over a wider angle along the Y-axis direction than along the X-axis direction. Further, the incident angle dependence of the straight-go transmittance of the anisotropic scattering layer is symmetrical about the layer normal, and the straight-go transmittance in the layer normal direction is lower than the straight-go transmittance in any oblique direction.

The application discloses a display device and a display system, and is used for realizing a novel display device which can be used for drawing and writing and realizes direct input and display of a fine pattern; a product is simpler in structure and relatively low in cost, and moreover, is relatively low in power consumption in a use process. The display device provided by the application comprises a backlight source, a first driving electrode, a polymer dispersed liquid crystal (PDLC) light modulating layer, a second driving electrode and a photochromic layer, wherein the first driving electrode is arranged on the backlight source; the PDLC light modulating layer is arranged on the first driving electrode; the second driving electrode is arranged on the PDLC light modulating layer; the photochromic layer is arranged on the second driving electrode.

The invention provides an array substrate for a reflective display panel and a preparation method thereof, and a display panel. The array substrate for the reflective display panel comprises a substrate, a pixel electrode arranged on the substrate, and a light-emitting structure, the light-emitting structure is used for reflecting light of a preset wavelength and transmitting light of other wavelengths. The light-emitting structure of the array substrate reflects only light of the preset wavelength, therefore incident ambient light can be converted into light of a target color according to requirements, color display is realized, a color film layer does not need to be arranged when the array substrate is applied to a display panel, the light utilization rate and reflectance are greatly improved, and the display effect of the reflective liquid-crystal display panel is improved.

The invention discloses an optical fiber display light source structure of a hollow conical platform structure. One of the upper bottom surface, the side surface and the lower bottom surface of the hollow conical platform structure is formed by a light source, a reflection cover and an optical fiber connecting surface, wherein a light outgoing surface of the light source is arranged towards the optical fiber connecting surface; a reflection surface of the reflection cover is located at the inner side of the side surface; and the optical fiber connecting surface is provided with an optical fiber connecting region which corresponds to the position of the light source and is the same as the light source in size. The invention further discloses an optical fiber display device comprising the optical fiber display light source structure, an optical fiber and a display panel, wherein the optical fiber is provided with a light incoming end and a light outgoing end; the light incoming end of the optical fiber is connected with the optical fiber connecting region of the optical fiber display light source structure; the axial direction of the light incoming end is vertical to the optical fiber connecting surface; and the display panel is connected with the light outgoing end of the optical fiber and is used for displaying an image. The optical fiber display light source structure can more effectively utilize the light source to further clearly display the image.

The invention provides a color electronic paper display screen, a driving substrate, a driver and a driving method. The method comprises the following steps that color pixel display unit driving waveform tables are stored; the driving waveform tables are found, and basic driving waveforms corresponding to the scales, corresponding to first basic pixel display units, second basic pixel display units and third basic pixel display units, from a current color gray scale to the next color gray scale are found; the driving waveforms are output. The color electronic paper display screen, the driving substrate, the driver and the driving method achieve color display of electronic paper and has the advantage of being high in response speed.

An optical fibre projector consists of light source, optical fibre bundle, brightness adjusting device, projection lens set, colour filter, light coupling component, visual light bandpass filter and diffusion sheet. It is featured as forming optical fibre bundle by a numbers of optical fibres with light incoming end and light outgoing end , setting brightness adjusting device between said two ends for changing the bending level of each optical fibre to adjust outgoing light intensity at each light outgoing end and projecting out outgoing light by projection lens set.

The invention relates to a waveguide diffraction device and display glasses. The waveguide diffraction device comprises: a diffraction waveguide which comprises a pupil entrance region, a first pupil expansion region, a second pupil expansion region and a pupil exit region, wherein the first pupil expansion region is located at the horizontal side of the pupil entrance region, the second pupil expansion region is located at the lower side of the pupil entrance region, and the pupil exit region is located at the light path overlapping part of the first pupil expansion region and the second pupil expansion region, the pupil entrance region is provided with two pupil entrance gratings, the first pupil expansion region and the second pupil expansion region are both provided with pupil expansion gratings, and the pupil exit region is provided with two pupil exit gratings; and a projection light machine which is used for emitting first incident light and second incident light which are different in wavelength, wherein the first incident light enters the first entrance pupil grating, is diffracted by the first pupil expanding grating and is emitted out of the first pupil exit grating, the second incident light enters the second entrance pupil grating, is diffracted by the second pupil expansion grating, and is emitted by the second pupil exit grating, and two pieces of pupil exit light emitted by the two pupil exit gratings are combined in the exit pupil region to form a color image. According to the application, the single waveguide can realize color display, and the color uniformity and the light emitting brightness can be ensured.

The invention discloses a spherical-prism-based optical system of a head display, and the system at least comprises a spherical prism, a spherical lens and a micro display, wherein light emitted by the micro display sequentially passes through the spherical prism and the spherical lens and then enters pupils of eyes in a collimation manner; for the direction from the pupils of the eyes to the micro display, the light sequentially passes through a first surface, a second surface, the first surface and a third surface of the spherical prism, then enters a first surface and a second surface of the spherical lens, and finally enters the micro display, the first surface of the spherical prism is a concave transmitting surface, the second surface of the spherical prism is a concave reflection surface, and plays a role in amplifying an image, and a reflection layer is plated on the outer side of the spherical prism; the third surface of the spherical prism is a concave transmitting surface; the spherical lens is a single lens; and the spherical prism and all optical surfaces of the spherical lens are spherical surfaces. The spherical-prism-based optical system has the advantages of being easy to process and saving the processing time and cost because the spherical surfaces are used on the surfaces of all optical elements.

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.

The invention discloses an inorganic / organic leucoplast illuminated display of compound structure which comprises in turn, a glass substrate, an ITO electrode, a cavity transmission layer, an organic luminescent layer, an inorganic thin layer and a metal back electrode, wherein the inorganic thin layer is studded into the organic luminescent layer.