117results about How to "Realize color display" patented technology

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 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 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 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 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 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 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 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 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 provides an electronic ink screen, a display device and a display method of the electronic ink screen, belongs to the technical field of display, and can solve the problem that color display of an existing electronic ink screen is difficult to realize. The electronic ink screen is divided into a plurality of pixel regions; the electronic ink screen comprises an array substrate, a color film substrate and an ink layer, wherein the array substrate and the color film substrate are oppositely arranged, and the ink layer is located between the array substrate and the color film substrate, the ink layer comprises an ink structure arranged corresponding to the pixel area, and the ink structure comprises shading ink particles and reflecting ink particles; the color film substrate comprises a color filter layer; the color filter layer comprises color filters which are arranged corresponding to part of the pixel areas; the ink structure at least located in the pixel area where thecolor filter is not arranged further comprises color ink particles, and the color of the color ink particles is different from that of the color filter.