68results about How to "Good color mixing effect" patented technology

The invention relates to an LED (light emitting diode) illuminating source, in particular to a uniform illuminating source and design method based on a multiband LED array and a diffuse reflection surface. A uniform illuminating source is designed with indirect illumination by applying the LED annular array and the diffuse reflection surface. The multiband LED array is distributed cyclically, the light of the LED is illuminated directly on a semispherical inner surface of high diffuse reflection from an annular bottom surface, and then is reflected on a target surface uniformly, so that uniform illumination is realized. According to the lambertian property of the LED and bidirectional distribution function of the diffuse reflection surface, a mathematical model of uniform illumination source is established. The uniform illumination source designed according to the invention can be used for a color vision detecting system, projection system and the like which require the multiband illumination. The uniformity of the degree of illumination is improved greatly, and a favorable color mixing effect is provided.

The invention provides a double-jacquard weave color mixing knitting technology. Double-jacquard weave screen cloth is integrally woven by a two-needle-bed jacquard warp-knitting machine, the two-needle-bed jacquard warp-knitting machine comprises a front needle bed, a rear needle bed and guide bars, the guide bars comprise ground guide bars GB1, GB2, GB5 and GB6 and jacquard guide bars JB1 and JB2, regarding all the guide bars, chinlon low stretch yarn or positive ion low stretch yarn is adopted by one ground guide bar, or dacron low stretch yarn is adopted by one jacquard guide bar, and darcon low stretch yarn, chinlon semifinished yarn and positive ion low stretch protofilament are adopted by other guide bars respectively, through doubling of the darcon low stretch yarn and the chinlonsemifinished yarn and doubling of the darcon low stretch yarn and the positive ion low stretch protofilament, the front side and the reverse side of gray fabric are closely knitted together without gaps, the double-jacquard weave screen cloth with a more excellent color mixing effect is knitted, the color is richer, the technical problems are solved that jacquard weave screen cloth blisters and wrinkles, through holes are not neat, stitching is exposed in the through holes, the physical property is poor and supporting force is small, and the product quality is greatly improved.

The invention relates to the field of a liquid crystal display and discloses a color filter for the liquid crystal display, a preparation method thereof and the liquid crystal display. The color filter comprises a substrate (50) and a black matrix (51), wherein the substrate (50) is equipped with a first sub-pixel area, a second sub-pixel area and a third sub-pixel area; the black matrix (51) is located on the substrate; the black matrix comprises a first opening (510), a second opening (511) and a third opening (512) which are corresponding to the first sub-pixel area, the second sub-pixel area and the third sub-pixel area; the color filter comprises a first colored sub-pixel layer (520), a second colored sub-pixel layer (521), a third colored sub-pixel layer (522) and a white sub-pixel layer (523); the first colored sub-pixel layer (520), the second colored sub-pixel layer (521) and the third colored sub-pixel layer (522) are corresponding to the first opening, the second opening and the third opening; the white sub-pixel layer (523) is located in at least one of the three colored sub-pixel layers. The color filter has excellent color mixing effect and higher light penetration rate. The color filter can increase the luminance and resolution ratio of the liquid crystal display.

The invention relates to a production method for watercolor writing and painting paper. The production method comprises the following steps: carrying out pulp preparation, carrying out papermaking by a paper machine, carrying out squeezing and drying before sizing, carrying out surface sizing, carrying out drying after sizing, carrying out slitting and packaging and the like. The production method selects 100% cotton pulp as a raw material and pulping treatment is performed by adopting a conical pulping machine; a fourdrinier multi-cylinder paper machine is used for carrying out the papermaking; needled felts with textures are mounted on upper and lower squeezing rollers of a positive pressure part of the paper machine respectively; in a squeezing and dehydration process, the textures of the felts are naturally transferred to surfaces of paper sheets to generate natural textures. The production method for the watercolor writing and painting paper is easy for processing and production; a technological process is simple and a formula of surface sizing liquid is simple; the production method is prone to operate and control and obtained product paper sheets have the natural textures and meet the characteristics of the watercolor writing and painting paper of water absorbability, washing resistance and scrubbing resistance, small deformation and long durability; and the production method is an ideal production method for the watercolor writing and painting paper.

The related LCD comprises a first/second substrate, a LC layer between substrates, and multiple color filter units every with some bending sub-filter units. This invention has better display effect.

A light emitting module includes a substrate, two first LEDs (light emitting diode), two second LEDs (light emitting diode) and at least one first circular LED array. The substrate includes a first central line and a second central line. The first central line and the second central line are substantially perpendicularly crossed on the center of the substrate. The first LEDs are disposed oppositely on the first central line and spatially separated by the center of the substrate. The second LEDs are disposed oppositely on the second central line and spatially separated by the center of the substrate. The color temperature of the light emitted by the first LEDs is different from which by the second LEDs. The first circular LED array is disposed on the substrate.

The invention discloses a small-angle lens for a high-power LED. The small-angle lens comprises a lens body. The bottom of the lens body is provided with an LED containing cavity. The lens body comprises a fully reflecting surface on the side face and an arc-shaped concave surface on the top. The bottom of the arc-shaped concave surface is provided with a free-from surface. The top of the LED containing cavity is provided with a circular conical refraction part. An LED light source emits light at the bottom of the LED containing cavity. After reflected by the fully reflecting surface on the side portion of the lens body and refracted by the circular conical refraction part, light is subjected to light concentration of the free-form surface and light uniformization and color mixing treatment of the arc-shaped concave surface and is turned into a collimated beam to be protected out. Under conventional lens outline dimensions, small-angle light beam projection less than 10 degrees is realized. The small-angle lens has good light uniformization and color mixing effects and can be extensively applied to LED outdoor projection lamps, entertainment PAR lights, wall washer lamps, matrix lamps and the like.

A colour filter consists of multiple image elements as each image element includes three sub - image elements of red, green and blue; the sub - image element includes two parts being bended towards to different directions or partially being prepared in arc form. The liquid crystal display unit consists of two substrates being set oppositely, a liquid crystal layer between above two substrates and a colour filter set on either of two substrates.

A new tricolor LED (light-emitting diode) pixel module in the LED luminotron display screen technology field, it is: the pixel module consists of column LED luminotron that is the tricolor namely red, green and blue, and the outer side is column convexity and the inside is 1-10 planes or curved surfaces; the tricolor LED luminotron assembleds together and forms the column pixel module; the top luminous surface of the column pixel module is the plane luminous surface, the globose concave, the globose convexity, the conical concave, the conical convexity, the multi-pyramiding concave with 3 to 15 ridges, the multi-pyramiding convexity with 3 to 15 ridges, the globose convexity with opening shuttle groove or the accidented luminotron surface. The invention can solve the chromatic polarization question.

The invention discloses a concrete product color mixing system and a control method thereof. The concrete product color mixing system comprises a rack and a stirrer arranged on the rack; a first temporary storage hopper, a second temporary storage hopper and a third temporary storage hopper are arranged at the lower side of the stirrer; discharging doors, corresponding to the first temporary storage hopper, the second temporary storage hopper and the third temporary storage hopper, are arranged at the bottom of the stirrer respectively; a first discharging temporary storage belt is arranged at the lower side of the first temporary storage hopper; a second discharging temporary storage belt is arranged at the lower side of the second temporary storage hopper; a third discharging temporary storage belt is arranged at the lower side of the third temporary storage hopper; and the tail ends of the first discharging temporary storage belt, the second discharging temporary storage belt and the third discharging temporary storage belt are located just above a discharging belt. The color mixing system has the advantages of simple structure, good color mixing effect and high practicability. The control method of the concrete product color mixing system has the advantages of simple process and easiness of controlling.

The present invention discloses a semi-spinning combined slivering machine. It includes woolen carding machine, intermediate frame and cotton carding machine. Said woolen carding machine is formed from wool-feeding hopper, cylinder and doffer, and said cotton-carding machine is composed of cylinder and doffer, and both they are connected by means of intermediate frame consisting of rollers, transport platform, conveyor lattice, upwards-lifting lattice and wool spreading lattice.

A lens (100) is disclosed for a solid state lighting element (24). The lens comprises at least one light entry surface (110, 112) and a light exit surface (120) opposite the at least one light entry surface, the light exit surface comprising a regular pattern of microstructures (122) and a plurality of regular patterns of further microstructures (124), wherein each regular pattern of further microstructures is on a respective one of said microstructures. Such a lens (100) may achieve excellent colour mixing. A lighting device (10) including such a lens and a luminaire including such a lighting device (10) are also disclosed.

A liquid crystal display face plate consists of the first base plate, the second base plate and liquid crystal layer sandwiched between the first and the second base plates. It is featured as setting multiple color filtering unit at internal surface of a base plate and forming each color filtering unit by four color filtering subunits of red color filtering subunit, green color filtering subunit, blue color filtering subunit and white color filtering subunit; and setting said color filtering unit to be structure in zigzag form.

The invention provides a stack-based light-emitting diode and a manufacturing method thereof. The stack-based light-emitting diode comprises a support structure, a reflecting layer, a first colour luminescent layer, a transparent conducting layer, a second colour luminescent layer, a third colour phosphor powder and an upper electrode, wherein the support structure is provided with a support substrate and combined with a lower electrode on the lower surface of the support substrate; the a reflecting layer is combined on the upper surface of the support substrate; the first colour luminescent layer is combined on the surface of the reflecting layer; the transparent conducting layer is combined on the surface of the first colour luminescent layer; the second colour luminescent layer is combined on the surface of the transparent conducting layer; the third colour phosphor powder is coated on the surface of the second colour luminescent layer; and the upper electrode is combined on the surface of the second colour luminescent layer. The warm white light-emitting diode provided by the invention has the advantages that the packaging connection is simple, the color mixing property is good, the manufacturing method is simple, the manufacture method has the conventional light-emitting diode manufacturing process, and the manufacturing method is suitable for industrial production.

The invention relates to a multilevel telescopic cylindrical type nozzle color mixing mechanism which is suitable to produce products with color mixing, multilayer color mixing or interlayer color mixing requirements in a plastics injection molding way. The multilevel telescopic cylindrical type nozzle color mixing mechanism comprises a valve core nozzle device and a multilevel telescopic cylindrical assembly, wherein the valve core nozzle device is fixed on a front supporting plate, the multilevel telescopic cylindrical assembly is fixed on a rear supporting plate, the valve core nozzle device is connected with the multilevel telescopic cylindrical assembly, and the front supporting plate and the rear supporting plate are oppositely fixed on four positioning rods by round nuts. The multilevel telescopic cylindrical type nozzle color mixing mechanism is also provided with round threads which tightly support the round nuts through stop screws. The invention controls a valve core to move through a plurality of layers of cylinders, thereby controlling the multilayer injection of a plurality of plastics so as to lead the products to achieve the effect of color mixing, multilayer color mixing or interlayer color mixing.