61results about How to "Color saturation" patented technology

The invention discloses a preparation method and application in the luminescent element thereof of CuInS2-ZnS/ZnSe/ZnS semiconductor quantum dots with a core-shell structure, belonging to the technical field of the preparation method of the semiconductor quantum dot. The method comprises the following steps: dissolving the precursors of copper source, zinc source, indium source and sulfur source in nonpolar mixed solvent to perform nucleation and growth under a certain temperature and obtain a CuInS2-ZnS alloy core-ZCIS, then adding zinc source and selenium source alternately in the solution to perform epitaxial growth of ZnSe on the core, then perform epitaxial growth of ZnS to prepare the CuInS2-ZnS/ZnSe/ZnS quantum dots, finally adding polar solvent in the solution, settling, centrifuging, cleaning, and perform vacuum drying to obtain solid quantum dot powder. The prepared quantum dots are 2-8nm and have uniform particle size, controllable emission wavelength and high yield. The quantum dots are used as luminescent material to prepare red, yellow and green quantum dot luminescent elements and the luminescent elements have excellent luminescent property.

A programmed control mixing color LED spot light is provided, which comprises a controller and at least two LED light cluster among three LED light cluster colored in red, green and blue. The controller is provided with a monoboard computer, an external communication slot and LED light cluster drive circuit of corresponding quantity; wherein, a procedure and data storage is arranged inside and/or outside the monoboard computer. The drive circuit uses PWM pulse width control constant current out switch power supply; the procedure and data storage is provided with control modules capable of enabling control interfaces to output frequency and pulse width modulation signals with adjustable duty ratio to the drive circuit controlled by set procedure to change the luminosity, color and frequency as the procedure. Together with the temperature monitor and by controlling the color mixing and frequency variation of PWM pulse width constant current between 0 and 255 grade for the LED lighting cluster in three colors as red, green and blue, the invention enables the LED lighting cluster to work under best and highest status, and has the advantages of small bulk, high luminosity, energy-saving, long service life, saturated and bright color.

The invention discloses a light source circuit module with a reflective structure, and a backlight module and a display employing the same. The light source circuit module comprises a circuit board, a first reflective layer and a second reflective layer, wherein the first reflective layer is formed on the surface of the circuit board and has a first reflectivity, and the second reflective layer is formed on and partially covers the first reflective layer and has a second reflectivity higher than the first reflectivity. The overlapping area of the second reflective layer over the first reflective layer can be adjusted so as to adjust the reflectivity of the reflective structure formed by the first reflective layer and the second reflective layer, and to improve the uniformity of the light supplied by the light source circuit module, thereby solving the problem of graduated shade of the prior art due to nonuniform light supplied by a light source.

The invention discloses a preparation method of brown leather, and relates to preparation of leather. The method comprises the following step: S1, changing the color of a crust, processing the crust by using a face-milling machine, placing the processed crust on a full-automatic leather spraying machine to uniformly spray spray-dyeing liquid onto the crust, placing the crust processed by the spray-dyeing liquid inside a washing machine, simultaneously adding a softener and a color fixing agent into the washing machine, processing the crust for 15 minutes in the washing machine, then taking out the crust and placing the crust inside a drying machine to carry out drying on the crust, wherein abrasive paper for processing the crust by the face-milling machine is No. 120 abrasive paper. The leather prepared by the method is more saturated in color and better in comfort, has an archaistic effect, and is unique in color, more natural in color and better in color fixing effect.

The invention discloses an inactivating liquid of zinc coating, which comprises the following parts: (200-220) g/L chromic anhydride, (24-28) ml/L nitric acid, (12-18) ml/L sulfuric acid, (6-8) g/L ferrous sulfate, (8-12) g/L iron trichloride, 5-8ml/L acetic acid and water. The produce surface displays good consistency inactivated by inactivating liquid, which possesses even brightness and gloss.

The invention relates to a blue-light organic electroluminescent device with a chrominance adjustment layer and a preparation method thereof. The device is formed by an ITO (Indium Tin Oxide) glass substrate (1), a hole injection layer (2), a hole transmission layer (3), a chrominance adjustment layer (4), a luminous layer (5), an electron transfer layer (6) and a composite cathode (7) in sequence. Each structural layer is prepared by adopting a vacuum evaporation method. In the device, the luminous layer is [TBADN:DSA-Ph], and the ultra-thin chrominance adjustment layer [DPVBi:BCzVB] is inserted between the luminous layer and the hole transmission layer. The luminous layer can produce sky blue light with high luminous efficiency, the chrominance adjustment layer can produce dark blue light with high color purity, and the sky blue light and the dark blue light produced by the luminous layer and the chrominance adjustment layer are synthesized into blue light. With the structure, the color purity of the device can be efficiently improved, and the blue-light organic electroluminescent device with high efficiency and color saturation is obtained. The invention has the advantages of simple technology, low cost, easiness for industrialization, and the like, and can be widely applied in organic electroluminescent display.

The invention discloses a Fe3O4/TiO2 nano magnetic composition and an in-situ growing preparation method thereof. The method includes the steps: firstly, preparing black nano Fe3O4 particles; and secondly, using an in-situ growing method to prepare nano TiO2 particles, namely dissolving titanyl organic matters into saltpeter solution, adding Fe3O4 particles, performing low-temperature liquid phase synthesis, and coating TiO2 on the surface of Fe3O4 to form a Fe3O4/TiO2 nano composite in a core-shell structure. The particle size of the composition is about 50nm, and the TiO2 on the surface of the composition which has paramagnetism is in an anatase structure. The Fe3O4/TiO2 nano magnetic composition and the in-situ growing preparation method thereof are simple in process, easy to control in component and performance, feasible in operation and applicable to industrial production, and the prepared Fe3O4/TiO2 nano magnetic composition reserves certain magnetism and has certain whiteness as well, so that comprehensive performances of the composition are optimized to meet practical application requirements.

The invention relates to an application method of a polarization lens in a monitoring video camera, which comprises the following steps: a vacuumizing way is adopted to paste the polarization lens at one side in dustproof perspective glass of the video camera provided with a dustproof perspective window, or the polarization lens is fixed at one side in the dustproof perspective glass of the video camera provided with the dustproof perspective window; the polarization lens is positioned between the dustproof perspective glass and an optical lens; the plane of the polarization is parallel to that of the dustproof perspective glass; the outer side of the dustproof perspective glass is used for preventing water and dust; the polarization lens arranged in a cavity of the video camera performing location processing on entered image rays; only the image rays with polarization directions being the same with a light transmitting shaft of the polarization lens can enter the optical lens and the follow-up circuit part of the video camera; and polarization lights with multiple angles in other directions are absorbed so as to reduce the interference of multi-angle polarization lights. Monitoring images obtained through the application method are more saturated in color and more clear in pictures, so that the imaging effect of the video camera is obviously improved.

The invention belongs to the field of production of floors and particularly relates to a carborundum wear-resisting floor, comprising base concrete and a wear-resisting material layer. The wear-resisting material layer is composed of base material and wear-resisting material, the base material is composed of one or any of acrylate, epoxy resin, polyurethane and polyamide. The wear-resisting material comprises, by weight, 50-60 parts of irregular hard material particles, 8-12 parts of heavy calcium carbonate, 20-25 parts of crushed fruit shells, 10-13 parts of scrap tire particles, 25-35 parts of cement, 5-8 parts of a pigment, and 5-10 parts of a binder. By adding mangosteen epicarp and epicarp of Gardenia sootepense, the problem that the color of an existing carborundum wear-resisting floor is not full enough is solved; by adding a certain amount of base material, the problem that the existing carborundum wear-resisting floor is poor in impermeability is solved.

The invention discloses white sulphoaluminate cement and a production method thereof and belongs to the technical field of cement. White portland cement in the prior art has low early strength and relatively long de-molding time, and efflorescence of a product is easy to occur, so that the color is not saturated or full; the early strength of the white sulphoaluminate cement in the market meets the requirements and the product also has a non-efflorescence phenomenon; however, the whiteness is relatively low and the production requirements of decoration cannot be met very well. The invention provides the white sulphoaluminate cement and the production method thereof; the method comprises the following step of jointly pulverizing aluminate clinker with relatively high whiteness, sulphoaluminate clinker with relatively high whiteness, blending materials including white gypsum, dolomite, limestone, mineral slag and the like to prepare the cement. The white sulphoaluminate cement obtained by the production method has high early strength and the whiteness reaches 87 or above; the production requirements of the decoration products are met relatively well.

The invention discloses anti-dazzle display glass, which comprises a glass substrate as a base layer. A printing ink surface is arranged below the glass substrate, and the upper end is provided with a spraying surface. A nano-scale silica particle membrane layer is sprayed on the spraying surface. Countless nano-scale silica particles are piled to be uneven so as to form the nano-scale silica particle membrane layer. The invention also discloses a manufacture technology of the anti-dazzle display glass and spraying equipment. through a center console, a No.1 spray gun is adjusted to 15 ml/M, a No.2 spray gun is adjusted to 12 ml/M, a No.3 spray gun is adjusted to 10 ml/M, pressure of the No.1 spray gun, the No.2 spray gun and the No.3 spray gun is respectively adjusted to 4-4.5 MPa, atomizing pressure of the No.1 spray gun, the No.2 spray gun and the No.3 spray gun is respectively adjusted to 4-4.5 MPa, and liquid supply pressure is adjusted to 3-4 MPa; and the equipment is started, and then automatic spraying is completed between a No.1 membrane machine and a No.2 membrane machine.

The invention relates to the technical field of OLED display, and discloses an OLED key. The OLED key comprises cover plate glass (1), an OLED display module (2), an action contact (3), a spring plate and a control unit, wherein the cover plate glass (1) is arranged on the upper surface of the OLED display module (2), and a mounting groove matched with the action contact (3) is formed in the lower surface of the OLED display module (2); one end of the spring plate is connected to the action contact (3), and the other end of the spring plate is connected to the control unit; and the control unit is judged to be of pressing operation under the condition that an elastic signal of the spring plate is sensed by the control unit. The OLED key overcomes the problem that OLED keys in the prior art are easily disturbed by ambient light, and the purposes of reducing light interference and reducing reflected light are achieved.

The present invention discloses a kitchen appliance, belonging to the household appliance technology field, The technical problem is solved that the user experience of the kitchen appliances is bad in the prior art. The kitchen appliance comprises a body and a display unit, an operation unit and a control unit which are arranged in the body; the display unit is configured to display the display state 1 of the work information and form a first information display area and a second information display area in the display state 1, and the work information displayed by first information display area is associated with the work information displayed by the second information display area; the operation unit is configured to select the display state of the display unit; and the control unit is configured to electrically connect with the display unit and the operation unit and control the display unit to display the display state 1.

A lighting apparatus includes: first light emitting elements; second light emitting elements having chromaticity values in a same chromaticity range as the first light emitting elements; and a control circuit including a mode switch for controlling the first light emitting elements and the second light emitting elements separately. The control circuit selectively executes a first mode which causes the first light emitting elements to emit light and a second mode which causes the first light emitting elements and the second light emitting elements to emit light. The mode switch switches between the first mode and the second mode.

A quantum structure light emitting module includes a quantum structure thin film and a light emitting unit. The quantum structure thin film includes a first substrate and a second substrate spaced apart from each other, and an excitation layer positioned between the first substrate and the second substrate and including a plurality of quantum structures. The light emitting unit is located on one side of the quantum structure thin film and includes a first light emitting member for emitting blue light and exciting the quantum structure to generate green light, and a second light emitting memberfor emitting red light. The red light, the blue light and the green light are mixed to form white light which is emitted from the second substrate. The module can help increase the intensity of a redlight component, so as to increase the color gamut of the display screen and make the color saturated. Also, since only green light is produced by exciting the quantum structure through light while red light is not generated in this manner, the amount of quantum structure usage can be reduced, and use of cadmium materials can be decreased.