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59results about How to "Realize full color display" patented technology

Full-color display component for organic and inorganic quantum dot hybridization and preparing method thereof

The invention belongs to the display technology field and discloses a full-color display component for organic and inorganic quantum dot hybridization and preparing method thereof. The display component comprises a light emitting unit fixedly mounted on a substrate wherein the light emitting unit includes three light emitting photon units in blue, green and red respectively; each light emitting photo unit comprises the following elements in sequence: a cathode, an electron transmission layer, a light emitting layer, a hole transport layer, a hole injection layer and an anode. The light emitting layer of the blue light emitting photon unit is of organic materials; the light emitting layers of the red and green emitting photon units are of quantum dot materials; and the electron transport layers of the three light emitting photon units are of inorganic materials. According to the invention, through the use of the high efficiency and stability of the blue organic polymer materials and the high color purity of the green/red quantum dot light emitting layer materials as well as the characteristics of simple processing and in combination with the organic electron transport layer materials and the use of a solution processing method, it is possible to make a full-color display screen with high performance and high display color gamut at a low cost.
Owner:SOUTH CHINA UNIV OF TECH

Organic light emitting device

The invention relates to the technical field of display, and discloses an organic light emitting device. The organic light emitting device comprises a light emitting unit, wherein the light emitting unit has m types of light emitting wavelengths, is a monochromatic organic light emitting diode or a white organic light emitting diode with an optical filter, at least one organic light emitting diodeis provided with a microcavity structure, the microcavity optical path L of the organic light emitting diode with the optical fiber and the light emitting wavelength Lambda of the corresponding lightemitting unit conform to the following relation expression: L=nLambda, n is more than or equal to 2 and is a positive integer, the n corresponding to the at least one organic light emittingdiode is more than or equal to 3, i is less than or equal to m but more than or equal to 1, and i and m are positive integers. The n-order microcavity effect can be achieved in the organic light emitting diode with the microcavity structure, the n is the positive integer more than or equal to 2, a second-order microcavity, a third-order microcavity, a fourth-order microcavity or higher-order microcavity can be achieved, the microcavity effect is improved, the spectrum is further narrowed, and the color gamut area is further expanded.
Owner:YUNGU GUAN TECH CO LTD

A Micro-LED display panel and a manufacturing method thereof

ActiveCN108987424ARealize full color displaySolve the problem that color display is more difficultSolid-state devicesSemiconductor devicesLED displayQuantum well
An embodiment of the invention discloses a Micro-LED display panel and a manufacturing method thereof, that display panel comprise: a bonding substrate; A first color pixel, a second color pixel and athird color pixel inverted on one side of the bonding substrate and electrically connected with the bonding substrate; Wherein the first color pixel comprises a first light emitting medium layer, thesecond color pixel comprises a second light emitting medium layer, and the third color pixel comprises a third light emitting medium layer; The first luminescent medium layer and the second luminescent medium layer are respectively quantum dot electroluminescent materials, and the third luminescent medium layer is a gallium nitride quantum well layer. According to the invention, a first color pixel and a second color pixel in the LED display panel emit light of the first color and light of the second color respectively through the quantum dot electroluminescent material, The third color pixelemits the light of the third color through the GaN quantum well layer, so that the Micro-crystalline GaN quantum well layer emits the light through the quantum dot electroluminescent material. Full color display of the Micro-LED display panel is achieved.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Micro-LED display panel and manufacturing method thereof

The embodiment of the invention discloses a micro-LED display panel and a manufacturing method thereof. The Micro-LED display panel comprises a bonded substrate, an electroluminescent Micro-LED pixelarray and a luminescent dielectric layer, wherein the electroluminescent Micro-LED pixel array is reversely arranged on one side of the bonded substrate and is electrically connected with the bonded substrate, each electroluminescent Micro-LED pixel in the electroluminescent Micro-LED pixel array comprises a first kind of sub pixel and a second kind of sub pixel, the luminescent dielectric layer is arranged on one side, far from the bonded substrate of the first kind of sub pixel, and the luminescent dielectric layer is prepared from the materials of at least one of a perovskite photoluminescent material and nano fluorescent powder. The Micro-LED display panel disclosed by the embodiment of the invention can emit self color light through the second kind of sub pixel, and the first kind ofsub pixel can stimulate the luminescent dielectric layer to emit corresponding color light through the light emitted by the electroluminescence; thus, full-color display of the Micro-LED display panelcan be achieved through mutual match among different luminescent colors, and the problem that color display of the Micro-LED display panel is difficult to achieve in the prior art is solved.
Owner:SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA

Triode control type hybrid structure full-color display device and manufacturing method thereof

The invention relates to a triode control type hybrid structure full-color display device and a manufacturing method thereof. According to the invention, a low-power variable input signal is respectively applied between a first contact electrode and a second contact electrode SCE1 and between the first contact electrode and a third contact electrode SCE2, a forward bias voltage is respectively applied between the first contact electrode and a fourth contact electrode TCE1 and between the first contact electrode and a fifth contact electrode TCE2; a blue light emitting chip in the unit B is driven to emit blue light, a blue light emitting chip in the unit R is driven to emit blue light so as to excite a red conversion layer to emit red light, a voltage is applied between a cathode and a transparent anode in the unit G, green light is excited, and thus full-color display is achieved. According to the invention, the first triode and the second triode amplify the power of an input signal,so that the light-emitting chip is driven to emit light by using a low-power input signal, the design complexity of a driving circuit of the light-emitting device can be effectively reduced, and the integration level of the display device is improved.
Owner:FUZHOU UNIV +1

Organic electroluminescent device

The invention relates to the field of display technology, and discloses an organic electroluminescent device. The organic electroluminescent device comprises a single-color organic light-emitting diode with m different light-emitting wavelengths or a white light organic light-emitting diode provided with an optical filter, wherein at least one organic light-emitting diode with a micro-cavity structure light-emitting wavelength comprises at least two light-emitting layers; the microcavity optical path L of the organic light-emitting diode with the micro-cavity structure and light-emitting wavelength lambda of the corresponding light-emitting unit meet the following relation: L is equal to nlambda, wherein n is larger than or equal to 2, and n is a positive integer; n correspondingto at least one organic light-emitting diode is larger than or equal to 3; i is less than or equal to m and larger than or equal 1; and i and m are positive integers. The organic light-emitting diodewith the microcavity structure is characterized in that n-stage micro cavity effect can be realized, and n is a positive integer which is larger than and equal to 2, so that a two-order microcavity, athree-order microcavity, a four-order microcavity or a higher-order microcavity can be realized; the microcavity effect is enhanced; the spectrum is narrowed further; and the color range area is increased further.
Owner:YUNGU GUAN TECH CO LTD

Organic electroluminescence device

The invention relates to the field of display technology, and discloses an organic electroluminescence device. The organic electroluminescence device comprises m kinds of light emitting units with different light emitting wavelengths, the light emitting unit is a monochromatic light organic light emitting diode, at least one organic light emitting diode having a microcavity structure is provided with at least two light emitting layers, and the thicknesses of first electrode layers in the organic light emitting diodes corresponding to the light emitting units with different light emitting wavelengths are not the same; a microcavity optical path L of the organic light emitting diode having the microcavity structure and the light emitting wavelength lambada of the corresponding light emittingunit meet the following relational expression: Li=ni lambada i; wherein n is greater than or equal to 2, n is a positive integer, and n corresponding to at least one organic light emitting diode is greater than or equal to 3. That is, an n-order microcavity effect can be realized in the organic light emitting diode having the microcavity structure, and n is a positive integer greater than or equal to 2, in this way, a second-order microcavity, a third-order microcavity or a higher-order microcavity can be achieved, the microcavity effect is enhanced, the spectrum is further narrowed, and thusthe color gamut area is increased.
Owner:YUNGU GUAN TECH CO LTD

Liquid-packaged high-power three-primary color LED chip array distribution and production

The invention discloses liquid-packaged high-power three-primary-color LED chip array distribution and production. According to the invention, a chip array is arranged on a substrate, odd-numbered lines of three-primary-color LED chips are arranged according to a sequence of RBG, even-numbered lines of three-primary-color LED chip are arranged according to a sequence of BGR, the ratio of numbers of the three types of chips both in an overall scope and a local scope can be kept to be 1:1:1, and the chips of the same color in the three-primary-color LED chip array are connected in series and / or in parallel according to an electrode array mode; and then the substrate is placed in a metal shell, a transparent baffle plate is arranged at an opening of the shell, then the part above the chips is filled with a light transmission insulating liquid, and the light transmission insulating liquid is sealed in a metal cavity through the transparent baffle plate. The transparent liquid takes heat away quickly through convection and transfers the heat to the metal shell, and the heat quickly spreads to the air, so that the heat dissipation efficiency is higher. A white-light LED realized adopting the liquid-packaged high-power three-primary-color LED chip array distribution and production is good in light emitting uniformity and high in display index.
Owner:彭冬生

Display panel and manufacturing method thereof

The embodiment of the invention discloses a display panel and a manufacturing method thereof. A display area of the display panel comprises a first sub-pixel area, a second sub-pixel area and a third sub-pixel area. The display panel further comprises a driving substrate, a blue light emitting device layer and a color conversion layer, and the blue light emitting device layer comprises a first blue light emitting device, a second blue light emitting device and a third blue light emitting device which are arranged on one side of the driving substrate. The color conversion layer comprises a first color conversion sub-layer arranged in the first sub-pixel region and a second color conversion sub-layer arranged in the second sub-pixel region, the first color conversion sub-layer is arranged on each first blue light emitting device, and the second color conversion sub-layer is arranged on each second blue light emitting device; according to the micro-LED display panel, the step that the blue light Micro-LED and the red light Micro-LED need to be transferred in batches and in large quantities can be effectively avoided, the service life of the red light Micro-LED and the service life of the green light Micro-LED are effectively prolonged, and the full color of the Micro-LED display panel is achieved.
Owner:WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

Reflective projection screen, transmissive projection screen and projection system

The present disclosure disclose a reflective projection screen, a transmissive projection screen and a projection system, the reflective projection screen includes a protective layer, excitation and reflection layers, An excitation layer is located between the protective layer and the reflective layer, excitation particles with different sizes are formed on the excitation layer, Under the irradiation of external excitation light, exciting different shades of light, so that the reflective projection screen can emit different primary colors of light under the illumination of external excitationlight, External excitation light is incident on the protective layer, After passing through the protective layer and incident on the excitation layer, the excitation particles with different sizes inthe excitation layer emit different color light under the excitation of the external excitation light, and incident on the reflection layer, the light reflected by the reflection layer excites the excitation particles in the layer to emit color light again, and the color light emits out of the reflection projection screen after passing through the protective layer. A projection system provided bythe present disclosure includes the above-described reflective projection screen. Another projection system provided by the present disclosure includes a transmissive projection screen.
Owner:QINGDAO HISENSE LASER DISPLAY CO LTD

Display device and preparation method thereof

The invention discloses a display device and a preparation method thereof, and belongs to the technical field of semiconductor devices.The preparation method of the display device comprises the steps that wavelength conversion layers are provided, and the wavelength conversion layers comprise the first wavelength conversion layer and the second wavelength conversion layer which are provided respectively; the thickness of the second wavelength conversion layer is greater than that of the first wavelength conversion layer; the first wavelength conversion layer is firstly transferred to a pixel point through the substrate, and then the second wavelength conversion layer is transferred to other pixel points through the substrate; according to the invention, the wavelength conversion layer and the wavelength conversion layer transferred according to the thickness sequence are respectively provided, so that the preparation of the display device for transferring the wavelength conversion layer according to the sequence is realized. The display device provided by the invention comprises at least two wavelength conversion layers with different thicknesses, so that no gap exists between the wavelength conversion layers and the pixel points, and the combination is tighter.
Owner:RAYSOLVE OPTOELECTRONICS (SUZHOU) CO LTD

Quantum dot display panel and quantum dot display device

The embodiment of the invention provides a quantum dot display panel and a quantum dot display device. The quantum dot display panel comprises a backlight module composed of an ultraviolet light backlight module and a white light backlight module, a quantum dot color film structure and a white light transmitting area located on the light emitting side of the backlight module. The quantum dot color film structure covers the ultraviolet backlight module, and the white light transmitting area covers the white light backlight module; the vertical projections of a plurality of red light quantum dot substructures of the red light quantum dot color film structure, a plurality of green light quantum dot substructures of the green light quantum dot color film structure, a plurality of blue light quantum dot substructures of the blue light quantum dot color film structure and a plurality of white light transmitting sub areas of the white light transmitting area on the plane where the backlight module is located are not overlapped. According to the technical scheme provided by the embodiment of the invention, the use of a color filter is avoided, and the light emitting efficiency is improved; the quantum dot performance is optimized, and the reliability of the color film structure is ensured; the display brightness can be enhanced directly through the white light transmitting area, and maximum utilization of backlight source energy is achieved.
Owner:深圳扑浪量子半导体有限公司
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