36results about How to "High color depth" patented technology

The present invention discloses a dyeing and fishing method for brocade/viscose fiber/spandex knitting fabric. The method comprises processes of open-width pre-shrinking, scouring and dyeing in one bath, low temperature neutralizing and soaping, acid dyeing, soaping, drying and softening finishing. The open-width pre-shrinking process is performed by adopting a steaming shrinking machine. The scouring and dyeing in one bath process comprises: adding 1-2 g/l of a refined degreasing agent, and 2-3 g/l of an aqueous solution of soda to a dye vat, treating for 15-20 minutes at a temperature of 60-80 DEG C, then adding an active dye, 25-70 g/l of sodium sulfate, and 20g-25 g/l of soda, dyeing for 50-70 minutes at the temperature of 60-65 DEG C. The dyeing and fishing method for the brocade/viscose fiber/spandex knitting fabric has characteristics of simple operation, treatment time saving and low energy consumption. With the method of the present invention, the amount of the sewage discharge can be effectively reduced, and the prepared finished product has good hand feeling and full color.

The present invention provides a flat panel display, which is characterized by comprising a display panel; a backlight assembly having a plurality of light-emitting sources arranged in a predetermined pattern; and a driving circuit coupled to the display panel and the backlight assembly. The driving circuit could be operative to receive a first signal and determine a second signal according to the first signal and the predetermined pattern of the plurality of light-emitting sources; to use the second signal to control the light emission of the plurality of light-emitting sources; to determine a third signal according to the light-emitting results of the light-emitting sources controlled by the second signal, and drive the display panel by the third signal. The backlight assembly and flat panel display disclosed in the present invention could achieve the effects of improving quality, power saving, high dynamic contrast, and high color depth.

The invention discloses a fabric dyeing and deepening functional agent, a preparation method and application thereof. The formula of the fabric dyeing and deepening functional agent comprises the following components in parts by weight: 1 to 5 parts of barbaloin, 1 to 5 parts of alkyl glycoside, 2 to 8 parts of flavonoid glycol and 70 parts of water; the preparation method for the fabric dyeing and deepening functional agent comprises the steps of mixing and uniformly stirring various components in the formula above, and standing; the fabric dyeing and deepening functional agent is applied to a dyeing process of a direct dye or an active dye of a fabric. The formula of the fabric dyeing and deepening functional agent disclosed by the invention is simple in component, environment-friendly and convenient to use; the dyeing process does not need to be changed and new equipment does not need to be added; the fabric dyeing and deepening functional agent can be widely applied to the direct dye or active dye dyeing of real silk, wool, cotton, hemp and recycled cellulose fibre fabrics and blended and interwoven fabrics; the colour depth and the colour fastness can be remarkably improved; meanwhile, the using amount of the dye can be reduced; the energy consumption and the sewage discharging can be reduced; the application prospect is wide.

The invention relates to a method and system for converting an LVDS video signal into a DP1.2 video signal, and the method comprises the steps: enabling the LVDS video signal to be converted into an RGB video signal; carrying out the buffering and frequency multiplication of the RGB video signal, and the outputting a frequency multiplication signal; carrying out the configuration and transformation of DP1.2 conversion of the outputted frequency multiplication signal according to a DP1.2 conversion configuration command and a DP1.2 conversion starting command, and obtaining a DP1.2 video signal. The method carries out the detection of the maximum DP1.2 video resolution, is high in integration degree, is reliable in operation, is strong in capability of interference resistance, is simple in operation, is economical and practical, can improve the detection reliability and efficiency of a DP1.2 liquid crystal module group, reduces the equipment cost and production cost, and will further facilitate the popularization of related display equipment.

The invention relates to a dyeing auxiliary agent for dyeing supercritical carbon dioxide cotton fiber as well as a preparation and an application thereof, and belongs to the field of cotton fiber dyeing. The dyeing auxiliary agent for dyeing supercritical carbon dioxide cotton fiber is a composition, and the composition comprises the following components according to the mol ratio: 55-75% of a component A, and 25-45% of a component B, wherein the component A is a compound shown in a formula I, and the component B is one or several kinds of compounds shown in a formula II or a formula III, and R1 is -F(CF)4, -F(CF)6 or -F(CF)8; R2 is -F(CF)4, -F(CF)6 or -F(CF)8. The outstanding features of the dyeing auxiliary agent is that original dyeing technology of the cotton fabric is changed, natural dyes are used for dyeing cotton fiber, and the method has the characteristics of high color depth, high color fastness, clean production, and substantial economic benefits and environment benefits.

The invention provides a whitening and cationic modification method based on a one-bath two-stage process and an application. The method comprises following steps: fiber and fabric are added to water,part of sodium percarbonate is added, then, alkali is added to regulate pH to be 11-12, and after the temperature is increased to 68-72 DEG C, remaining sodium percarbonate is added for whitening; after whitening, a cationic etherifying agent is added for modification, oxalic acid is added after the temperature is reduced to 38-42 DEG C, the temperature is increased to 58-62 DEG C, and whiteningand cationic modification are completed after neutralization and deoxygenization. According to the method, active oxygen free radicals are utilized for performing bleaching and impurity removal on thefiber and the fabric, meanwhile, double bonds in pigment are damaged by means of strong oxidizing property of alkyl free radicals, and therefore, the fiber and the fabric are faded; whiteness of thefabric and the fiber after pretreatment and bleaching can be increased by about 5 degrees. After the cationic modification of the fiber and the fabric, active bases capable of reacting with dye are increased, the dye-uptake and the exhaustion degree of the dye are increased, and the method has the effects of increasing color depth, reducing dyeing wastewater and the like.

The invention discloses pigment dyeing liquor for dyeing superfine fibers and a method for improving dyeing color depth of the superfine fibers, belonging to the technical field of textile science. According to the invention, an acrylic macromolecular dye is added into the pigment dyeing liquor comprising a water-based pigment paste, an adhesive, a penetrant and other components, the uptake rate of the dye in the superfine fibers is enhanced by virtue of the characteristic that salt bonds can be easily formed between the macromolecular dye and the fibers, and the color depth of the superfine fibers is improved while the excellent color fastness is guaranteed by virtue of the characteristic that a main chain structure of the macromolecular dye is similar to a structure of the adhesive. The technology has the characteristics of simple dyeing process, little pollution, stable product quality, high color depth and the like, and has good application prospects.

The invention discloses a novel PLA cotton blended fabric. The novel PLA cotton blended fabric is prepared through the steps of 1 preprocessing; 2, complex enzyme processing, wherein after preprocessing is performed, the polylactic acid/cotton blended fabric is subjected to dip processing in a complex enzyme, and according to the enzyme processing technological conditions, bromelain, phytase and catechol oxidase mixed processing is adopted; 3, aicd dyeing, wherein the polylactic acid/cotton blended fabric obtained after enzyme processing is performed in the step 2 is subjected to dyeing processing through acid dyes, and according to the dye liquor formula and conditions, the concentration of the acid dyes is 2-3 g/L, the concentration of anhydrous sodium sulphate is 1-2 g/L, peregal O/%(omf) is 0.3%, pH is 4, the temperature is kept to be 50 DEG C, the temperature is increased to 70-80 DEG C after 10 min and kept constant for 60-70 min, and the bath ratio is 1:25; 4, processing performed after washing, wherein the polylactic acid/cotton blended fabric dyed in the step 3 is washed under the temperature of 60-80 DEG C for 5-20 min, and the bath ratio is 1:(5-30).

The invention discloses a PLA (Polylactic Acid) fiber-silk interwoven fabric, which is prepared by the following steps: (1) pretreatment: 83dtexPLA/88dtex PLA fiber-silk interwoven fabric is selected, put into a pretreatment solution, completely immersed, and maintained at 30-40 DEG C for 30-40 min, wherein the pretreatment solution is composed of 1% of trehalose, 0.05% of water-soluble chitosan and the balance of pure water; (2) compound enzyme treatment: the PLA fiber-silk interwoven fabric after pretreatment is immersed in a compound enzyme, wherein the process conditions of the enzyme treatment are as follows: 1 U/mL Bromelain, 6 U/mL phytase, 20-25 U/mL catechol oxidase, pH 7, temperature of 38 DEG C, time of 20-30 min, and a bath ratio of 1: 10; and (3) washing after-treatment: the PLA fiber-silk interwoven fabric after the enzyme treatment of step (2) is subjected to soaping treatment at 60-80 DEG C for 15-25 min at the bath ratio of 1:5.

The invention discloses a performance testing system and a testing method for a TOD (Triangle Orientation Discrimination threshold). The performance testing system comprises a main control computer, an image bit width converter and a display, wherein the main control computer comprises an image generating module and a TOD performance testing module; the image generating module is used for finishing parameter setting of a test image, generation of the image and preview of the image; the TOD performance testing module is used for finishing playing of the test image from the image generating module, recording a judgment result on the target direction of the test image, and transmitting the test image to the image bit width converter; and the image bit width converter is used for realizing bit width conversion of the test image. According to the performance testing system and the testing method, the bit width of the test image is increased from 8 bits to 10 bits or 12 bits by adopting the image bit width converter, and the minimum contrast is decreased from 1/256 to 1/1024, so that cost is reduced; and the color depth of the image is tested easily and conveniently by adopting the TOD, so that the minimum contract of the test image is decreased, and the testing correctness and the testing accuracy of the TOD are increased.

The present disclosure discloses a dye for industrialization of dyeing cotton fiber in supercritical carbon dioxide that can react with cotton fiber, wherein a preparation method therefor comprises the following steps: dissolving a hydroxyl-containing natural dye in an organic solvent, dropwise adding an alcohol compound containing a halogen group into a reaction system in the presence of an acid-binding agent, precipitating the product with another solvent after the reaction is completed, and then filtrating and drying to obtain the compound described. The obtained compound is used for dyeing cotton fiber in supercritical carbon dioxide. The dye provided by the present disclosure is capable of dyeing cotton fiber in supercritical carbon dioxide conditions, and has a better color fastness while dyeing the cotton fiber.