42 results about "Color purity" patented technology

Image data analysis, and particularly identifying cluster or polony locations for performing base-calling in a digital image of a flow cell during DNA sequencing is described. A method may include generating a first plurality of flow cell images of a cellular sample immobilized on a support by conducting one or more cycles of sequencing reactions. The cellular sample may include a plurality of concatemer molecules therewithin. For the first plurality of flow cell image, pixel intensities, and a respective color purity of each of the pixel intensities may be determined. A base calling template may include base calling locations based on the pixel intensities and the respective color purity of the pixel intensities. The base calling template may be for registering a second plurality of flow cell images of the support in one or more subsequent cycles of the one or more cycles.

The invention discloses a display panel, a preparation method thereof and a display device. The display panel comprises a back plate (1); the first light-emitting device (2), the second light-emitting device (3) and the third light-emitting device (4) are arranged on the same side of the back plate (1), the distance between the second light-emitting device (3) and the back plate (1) is larger than the distance between the first light-emitting device (2) and the back plate (1), and the distance between the third light-emitting device (4) and the back plate (1) is larger than the distance between the second light-emitting device (3) and the back plate (1). The first light-emitting device (2) emits light of a first color, the second light-emitting device (3) emits light of a second color, and the third light-emitting device (4) emits light of a third color; the first light filtering layer (5) is arranged on one side, deviating from the back plate (1), of the first light emitting device (2), and only light of a first color can penetrate through the first light filtering layer (5); the second light filtering layer (6) is arranged on the side, away from the back plate (1), of the second light emitting device (3), the second light filtering layer (6) can only transmit light of the second color, or the second light filtering layer (6) can only transmit light of the first color and the second color. The color purity and the color gamut of the display panel are good.

The utility model relates to a micro light-emitting device comprising a light-emitting structure having at least one light-emitting area; the color filtering structure is located on the light-emitting side of the light-emitting structure and comprises an extinction layer and at least one color filtering unit, the extinction layer is provided with at least one light-transmitting area corresponding to the at least one light-emitting area, and light emitted by the light-emitting structure in each light-emitting area is emitted out through the corresponding light-transmitting area; each color filtering unit is arranged corresponding to one light-emitting area, at least part of the color filtering unit is filled in the light-transmitting area corresponding to the corresponding light-emitting area, and each color filtering unit is configured to transmit the light of the target color and reduce the light of the non-target color in the light emitted by the light-emitting structure in the corresponding light-emitting area; and the light condensing structure is located on the side, away from the light emitting structure, of the color filtering structure and is configured to converge light emitted from the light transmitting area, so that light crosstalk between pixels can be reduced, the color purity can be improved, and the display performance of a product can be improved.

The invention discloses a boron-nitrogen compound and an organic electroluminescent device thereof, and relates to the technical field of organic electroluminescent devices. According to the boron-nitrogen-containing organic compound provided by the invention, rigid groups are introduced, so that close packing and pi-pi interaction among molecules are effectively inhibited, the rigidity of the molecules is increased, and the vibration relaxation of the molecules is reduced. When the compound is applied to a light-emitting layer of an organic electroluminescent device, the excellent performance of high efficiency, high color purity and low-efficiency roll-off can be achieved at the same time, good thermal stability and thin film form stability are shown, the color purity of the device is improved, and the service life of the device is prolonged.

To provide a technique of manufacturing a display device with high productivity and, to provide a high-definition display device with high color purity.SOLUTION: A high-definition display device with high color purity is provided by adjusting optical path length between a reflective electrode and a light emitting layer by transmitting central wavelength of a color filter layer without performing selective deposition of the light emitting layer. In a light emitting element, a plurality of light emitting layers emitting light of different luminous color are stacked, and as the light-emitting layer is closer to the reflective electrode, the wavelength of emitting luminous color is short. The light emitting device is manufactured without performing selective deposition of the light emitting layer, so that productivity of the light emitting device is high.SELECTED DRAWING: Figure 1

This invention aims to provide a film that achieves high color purity and vividness of red, and further, in a preferred embodiment, also provides a film with good color purity and vividness of green and blue, and excellent visual recognition. The film is defined as containing a colorant, a red colorant, and a binder. The colorant, when applied at a concentration of 50% by weight on a glass substrate with a thickness of 1 μm using a transparent acrylic resin as a binder, exhibits an average light transmittance of 30% or more at wavelengths from 660 nm to 1000 nm, and an average light transmittance of 20% or less at wavelengths from 380 nm to 660 nm. When the average light transmittance of the film at wavelengths from 400 nm to 660 nm is set as T1 (%), T1 (%) is 25% to 90%, and the film thickness is 0.2 μm to 1000 μm.

The present invention belongs to the technical field of the preparation of organic electroluminescent materials, and specifically relates to a tetradentate cyclometalated platinum (II) complex based on a 4-carbazolyl carbene structure, an electronic device and apparatus, and the use thereof. In the present invention, the steric hindrance of material molecules can be increased by introducing a 4-carbazolyl group having large steric hindrance at a carbene site, such that molecular aggregation can be avoided, and intermolecular interaction and luminescence quenching can be inhibited, which are beneficial for improving the luminescence efficiency and the color purity. The present invention has significant application prospects in the fields of OLED display and illumination.

The invention relates to an optically variable security element (12) for securing security papers, value documents and other value items, comprising at least one color-changing multilayer interference layer element (22) having a reflective layer (28), at least one absorbent layer (24) and at least one dielectric spacer layer (26) between the reflective layer (28) and the at least one absorbent layer (24), due to its layered structure, the multilayer interference layer element (22) produces an intrinsic color shift effect with a first color when viewed from a first viewing direction and with a second, different color when viewed from a second viewing direction. According to the invention, a blue light absorber (32) having an absorption edge in the wavelength range of 380 nm to 460 nm is arranged above and / or below the at least one multi-layer interference layer element (22), said absorber selectively absorbing a blue light component in order to vary the intrinsic color shift effect of the at least one multi-layer interference layer element (22), the security element (12) is configured such that the security element (12) exhibits a modified color shift effect between a third color when viewed from the first viewing direction (40) and a fourth color which is different when viewed from the second viewing direction (42), the third color being different from the first color in hue and / or color purity, and the fourth color being different from the first color in hue and / or color purity. And / or the fourth color differs from the second color in hue and / or color purity.

The invention provides a boron-nitrogen compound and an organic electroluminescent device using the same, and relates to the technical field of organic electroluminescence. The boron-nitrogen compound provided by the invention has high color purity and high reverse intersystem crossing rate. A rigid group is introduced to a central benzene ring, so that the molecular vibration relaxation is reduced, the FWHM is reduced, and the color purity is improved; meanwhile, derivative donors containing heteroatom phenoxazine or phenothiazine and the like are introduced, spin-orbit coupling is promoted by utilizing a heavy atom effect, so that the reverse intersystem crossing rate of excitons from a triplet state to a singlet state is increased, and the triplet state exciton extinguishing process is weakened. In addition, a large-volume peripheral substituent group is introduced to inhibit aggregation among molecules, so that a mutual quenching phenomenon among the molecules is weakened, and the luminous efficiency is improved. Therefore, when the compound is applied to the organic electroluminescent device, the color purity and luminous efficiency of the organic electroluminescent device can be improved.

The invention discloses a dielectric metasurface structural color device, which comprises a transparent dielectric substrate; the dielectric nano rectangular column hexagonal periodic array is arranged on the surface of the substrate, and the value range of lattice constants is shown in the specification; wherein the height, the length and the width of the medium nanometer rectangular column meet the relational expression, the length-width ratio is kept, and the length and the width are jointly optimized according to the central wavelength of a narrow-band reflection peak. The invention further discloses a structural color brightness regulation and control method. The invention solves the problem that the existing structural color and metasurface device cannot be used in the visible light reflection type structural color implementation process; the problems that the color purity is limited due to the reflection spectrum line width, the parameter design of different color pixels lacks a computable resonance positioning rule, and the continuous brightness modulation capability is insufficient under the condition that the hue is kept stable generally exist.

The invention discloses a preparation method of a fluorescent temperature measurement material with high sensitivity, the fluorescent temperature measurement material has the following general formula: A4B2M1-xO6F: xMn < 4 + >, where A metal is one or more of elements Na, Li and K; the metal B is one or more of Mg, Zn and Ca; m metal is one or two of elements Nb and Sb; and the doping amount x of Mn < 4 + > is greater than or equal to 0.05 mol% and less than or equal to 1mol%. The material can be effectively excited by near ultraviolet or visible light, and is high in color purity, good in luminescence detectability, simple in preparation process operation, low in raw material and equipment cost, environment-friendly, stable in product chemical property and suitable for general popularization and application.

The utility model discloses a centrifugal floor paint color mixing device, which comprises a bottom plate, a rotating barrel and a color mixing barrel, the rotating barrel is obliquely arranged, the lowest point of the rotating barrel is provided with a lower rotating shaft, the top of the rotating barrel is hinged with a cover plate, the edge of the cover plate is provided with a locking part, and the bottom of the cover plate is provided with a pressing plate through a spring. A second motor is arranged at the bottom of the rotating barrel, a supporting plate is arranged on an output shaft of the second motor, the color mixing barrel is located between the pressing plate and the supporting plate, and the floor paint color mixing device evenly mixes paint liquid with different colors in a centrifugal mode, so that no redundant structure exists in the color mixing space where the paint liquid is located, and cleaning is easy after color mixing is completed; and whether cleaning is thorough or not is easily checked, paint liquid for subsequent color mixing is effectively prevented from being polluted by other colors, and the color purity of the floor paint is improved.

A display device offering increased luminance at peripheral viewing angles and increased color purity without loss of luminance at a perpendicular viewing angle is provided. A bilayered color filter makes these improvements possible while eliminating the need for a polarizing plate to reduce glare. In particular, a color filter layer can correspond to the emission area of each pixel, the color filter layer including a first color filter pattern layer and a second color filter pattern layer on the first color filter pattern layer, in which one of the first and second color filter patterns includes a first color particle having a first size, and the other one of the first and second color filter patterns includes a second color particle having a second size, and wherein the second size is greater than the first size.

The present application relates to the field of semiconductor light emitting, in particular to a multi-color LED monolithic integrated structure and a preparation method. The multi-color LED monolithic integrated structure comprises: a substrate, a surface of the substrate comprising at least one undoped nitride layer and at least one N-type nitride buried layer in sequence; and the surface of the substrate comprising a red / green / blue three-color LED structure array epitaxial structure, and the N-type nitride buried layer under at least one of the red / green / blue three-color LED structure array is a porous nitride buried layer. The technical solution solves the technical problems of low In component and strong polarization field of the nitride-based red light LED epitaxy, suppresses / reduces the quantum confinement Stark effect (QSCE), improves the growth quality of the three-color LED, improves the internal quantum efficiency, improves the wavelength stability, display color gamut and color purity; the double-color synchronous epitaxy and single-color separate epitaxy are adopted, the stress accumulation and optical crosstalk bottleneck of the vertical stacked three-color integrated architecture are broken, and the complex process of the traditional multi-color integration is simplified.

The present specification relates to a delayed fluorescence compound represented by chemical formula 1 and an organic light-emitting device comprising same, and achieves delayed fluorescence light sensitive hyperfluorescence properties by the use of a compound that exhibits deep blue properties and has a low singlet-triplet energy difference, and a fluorescence compound which, relative to conventional delayed fluorescence material, exhibits deep blue properties, has a narrow half-width, and has excellent color purity.

The invention relates to an optically variable security element (12) for protecting security papers, value documents and other value items, comprising at least one color-shifted multi-layer interference layer element (22), the multi-layer interference layer element (22) has a reflective layer (28), at least one absorber layer (24) and at least one dielectric spacer layer (26) between the reflective layer (28) and the at least one absorber layer (24), the multi-layer interference layer element (22) generates an intrinsic color shift effect due to its layered structure, having a first color when viewed from a first viewing direction, and having a second color when viewed from a second viewing direction, the second color is different when viewed from the second viewing direction. According to the invention, a plurality of color-selective scattering nanoparticles (34) are arranged above and / or below the at least one multi-layer interference layer element (22) and the intrinsic color shift effect of the at least one multi-layer interference layer element (22) is changed by Rayleigh scattering, the security element is configured such that the security element exhibits a color shift effect between a third color when viewed from the first viewing direction (40) and a different fourth color when viewed from the second viewing direction (42), the third color differing in hue and / or color purity from the first color and / or the fourth color differing in hue and / or color purity from the second color.

The application relates to the technical field of intelligent detection, and particularly discloses a traditional Chinese medicine dyeing color uniformity detection method and system. The original RGB image of a to-be-detected fabric is collected under a standard light source, an effective fabric area image is obtained after color correction and appearance compensation, fabric texture energy prior information is extracted through frequency domain transformation combined with a dye penetration uniformity index, a multi-space level image sequence is constructed, the texture prior information is fused, and then input into a pre-trained texture-color decoupling neural network, a color purity feature image with texture interference inhibited is output, quantitative indexes such as a dye distribution standard deviation and an average gradient amplitude are calculated, a local non-uniformity heat map is generated to locate defects, a uniformity grade and a visual report containing an original image and a defect contour are output. The application is suitable for traditional Chinese medicine dyeing, can realize accurate decoupling of texture and color, highlight weak dyeing differences, and is suitable for different materials and dye types, so that the detection precision of traditional Chinese medicine dyeing uniformity is improved.

To achieve both improvement of color reproducibility and improvement of durability in a color conversion composition and a color conversion member used for a light source unit, a display, and a lighting device, and in particular, to achieve both light emission with high color purity and high durability.SOLUTION: A color conversion composition includes at least one organic light-emitting material and a binder resin, and satisfies the following expression (a- 1). Wherein, in the formula (A-1), EF represents an energy at a peak wavelength of a fluorescence emission spectrum of the at least one organic light-emitting material in a dilute toluene solution. EP represents an energy at a peak wavelength of a phosphorescence emission spectrum of the at least one organic light-emitting material in a dilute toluene solution. ) SELECTED DRAWING: Figure 1

The invention discloses an image sensor color film manufacturing process and an image sensor, and belongs to the field of semiconductor integrated circuit manufacturing processes, and the process comprises the steps: providing an image sensor wafer; the image sensor wafer comprises at least one image sensor chip without a color film; differentiating the target area and the non-target area on the surface of the image sensor wafer to respectively form a first structure and a second structure; the first structure at least comprises a color layer; the second structure at least comprises a color material residual layer; and based on the difference between the first structure and the second structure, removing the color material residual layer to form the color filter. The color interference except the target color layer can be selectively removed, the original color is restored, the color mixing phenomenon between different color layers is effectively reduced, the color purity of the color film of the image sensor is improved, and therefore the optical quantum efficiency is greatly improved.

The invention discloses a color conversion full-color Micro LED chip structure and a manufacturing method. A chip comprises transparent protective glue, a Si substrate, transparent filling glue and a color conversion material which are embedded in the Si substrate, a transparent adhesion layer, a Micro LED chip, isolation insulation glue, a wiring circuit, protective glue and an electrode. The isolation insulation glue and the protection glue are respectively provided with through holes to realize interlayer interconnection. According to the manufacturing method, mass production is achieved through the steps of silicon wafer groove preparation, transparent filling glue coating and etching, color conversion material printing, Micro LED chip mass transfer, wiring and electrode manufacturing, back face processing and cutting and the like. The embedded integrated design is adopted to simplify the chip structure, the process flow is optimized, the cost is reduced, the Si substrate improves the heat dissipation performance, the brightness and the color purity are optimized, the problems that in the prior art, the structure is complex, and light crosstalk is serious are solved, and the LED module is suitable for high-definition display, vehicle-mounted display, AR / VR and other scenes.

The invention provides a color wheel, a light source device and a projection device, wherein the color purity of primary color is improved, and color development is good. The color wheel includes a first filter bank in which a plurality of color filters having different light transmission characteristics are arranged, and a second filter bank in which a plurality of color filters having different light transmission characteristics are arranged, the first filter bank and the second filter bank being configured such that the plurality of color filters of the first filter bank and the second filter bank are arranged in a circumferential direction. In the first and second filter banks, at least one portion where color filters having the same or similar light transmission characteristics are adjacent to each other is formed in the plurality of color filters arranged in each of the first and second filter banks, and the areas or center angles of each of the different colors of the plurality of color filters arranged in each of the first and second filter banks are unequal. The color area ratio or the angle ratio of the center angles of the plurality of color filters constituting the first filter bank is substantially equal to the color area ratio or the angle ratio of the center angles of the plurality of color filters constituting the second filter bank.

The present application provides a compound that can improve low driving voltage, high luminous efficiency, high heat resistance, color purity, and lifespan of an element, and an organic electrical element and an electronic device using the compound.

The invention discloses a method for directly synthesizing a perovskite Micro-LED (Light Emitting Diode) color conversion film by laser, which is combined with the existing laser direct writing processing technology to directly synthesize a double-color color conversion film and realize arraying and patterning on the color conversion film. According to the method, the requirements of patterns and arrays of double-color perovskite quantum dots can be met without using a huge amount of transfer technology and templates, so that the double-color high-resolution perovskite quantum dot patterns with high color purity can be obtained while the conversion efficiency is higher; the method has the potential of preparing a large-area array and a red-green double-color high-resolution photoluminescence display Micro-LED, and is simple to operate and low in cost.

A display device having a high color purity and a color conversion structure of the display device having the high color purity. The color conversion structure is configured to convert light emitted from a blue light substrate, and includes a color conversion layer, a first filter layer disposed on the color conversion layer, and a second filter layer disposed on the first filter layer. The color conversion layer includes a blue light-transmitting region, a green conversion region, and a red conversion region. The first filter layer includes another blue light-transmitting region that corresponds in position to the blue light-transmitting region. The first and second filter layers can filter blue light of different ratios, so that color purities of red light and green light are enhanced and brightness of the blue light is ensured.

The present invention relates to a cyan light-emitting lighting unit for an autonomous vehicle and, more particularly, to a cyan light-emitting lighting unit for an autonomous vehicle, the unit being manufactured by including a cyan phosphor and an inorganic absorption material, thereby satisfying cyan color coordinates of the 1931 CIE standard rank for autonomous vehicles and, simultaneously, improving a color reproduction range and color purity such that the visibility of the autonomous vehicle interior / exterior lighting can be improved.

Embodiments relate to a plasmonic nanostructure with excellent color fidelity and a method for fabricating the nanostructure. According to one embodiment, by growing metal nanoparticles embedded within a dielectric matrix by a co-evaporation method, the scattering properties of the metal nanoparticles may be suppressed and the absorption properties thereof may be maintained, so that color purity may be controlled more precisely, and the colors in transmission mode and reflection mode may be tuned independently. Meanwhile, by using low-temperature process conditions, it is possible to selectively control the size, density, and degree of distribution of metal nanoparticles during deposition without performing an additional subsequent process.

This invention provides organic compounds with excellent luminescence efficiency and color purity. [Solution] An organic compound characterized by being represented by the general formula [1]. TIFF2026092656000052.tif5392 In the general formula [1], R1 to R 27 R is a hydrogen atom or various substituents. 21 and R 24 , and, R 22 and R 27 At least one of them may be bonded to form a ring. Ar is a substituted or unsubstituted aryl group. n is an integer between 1 and 5.

The invention discloses a preparation method and system for a quantum dot film layer of a display, and relates to the technical field of display device manufacturing. The method comprises the following steps: acquiring pixel structure information of a display device, establishing a pixel geometric database, and generating a standardized pixel structure data file; establishing a mapping relation between a pixel structure and a printing path, performing adaptive grid segmentation, multi-color synchronous path planning and real-time error correction, and outputting a three-color printing path control file and an ink performance index; preparing three-color quantum dot ink; and executing ink-jet printing operation, and outputting the deposited quantum dot film layer substrate and a printing quality report. Compared with the problems that in a traditional coating process, matching of a film layer and a pixel structure is not accurate, and the on-demand partition deposition capacity is lacked, the pixel structure can be accurately matched, it is guaranteed that the thickness of the film layer is consistent, the manufacturing requirement of a high-resolution display device is met, and the color gamut coverage range and the color purity are improved.

This invention belongs to the field of organic light-emitting materials, specifically providing a spirochiral boron-nitrogen-based CPMR-TADF light-emitting material and its application. This type of material has significant advantages over existing fluorescent light-emitting materials: the spirochiral boron-nitrogen-based light-emitting material of this invention (1) has a frontier orbital distribution in which chiral motifs actively participate in the molecule; (2) has a narrow spectral emission characteristic and high color purity; (3) has high exciton utilization, reaching 100%; (4) OLED devices prepared with it as the light-emitting active layer have narrow half-width and high color purity light emission, without the need for color purity improvement technologies such as filters or optical microcavities; (5) OLED devices prepared with it as the light-emitting active layer are not affected by light reflection, and the light utilization rate can reach 100%.

The invention relates to a manufacturing process of anti-yellowing chrome-free tanned leather. The manufacturing process comprises the following process steps of wringing, shaving, rewetting, washing, alkali extraction, retanning, fat liquoring, acid adding, washing, combined tanning, fat liquoring, oil adding, water supplementing, acid solidifying, drum discharging, dry-state finishing and finished product obtaining. By preferably selecting the low-yellowing material and constructing a light-stable protection system, the ultraviolet and thermo-oxidative aging resistance of the leather matrix is fundamentally enhanced, so that the yellowing resistance grade of the chrome-free tanned leather is higher than grade 4. The generation of chromophoric groups can be effectively inhibited, so that white and light-colored leather can still keep excellent whiteness and color purity after being used for a long time or in a light environment, and the attractive life of the leather is greatly prolonged.