10results about How to "High color accuracy" patented technology

The invention discloses a preparation method of an LED full-color display array structure, and the method comprises the steps: constructing a blue light sub-pixel array through growing a blue light LED epitaxial layer on a sapphire substrate; growing a green light LED epitaxial layer on the sapphire substrate, and constructing a green light sub-pixel array; growing a red light LED array on the GaAs substrate, and arranging a plurality of composite buffer layers between the red light LED array and the GaAs substrate; transferring the red light LED array to a sapphire substrate, and cutting the red light LED array into independent sub-pixel arrays; gluing the edge of the three-color sub-pixel array, sequentially stacking the three-color sub-pixel array, and pressurizing and curing the three-color sub-pixel array; the three-color LED is driven to emit light through an electrode input signal, full-color display is mixed from the back face, and preparation of the full-color display array structure is achieved. According to the method, heat can be effectively conducted, heat generated by the LED chip is rapidly dissipated, the temperature of the chip is reduced, and the stability and the service life of a device are improved.

The invention is suitable for the technical field of display screens, and provides a display control method and device of a display screen, control equipment and a readable storage medium. The display control method of the display screen comprises the following steps: acquiring a to-be-rendered image; the method comprises the following steps: determining pixel units according to a preset display screen, each display unit in the display screen being arranged in a matrix, each pixel unit comprising four adjacent display units arranged in a parallelogram, and at least two target display units provided with lamp points in the same color in the same pixel unit in the matrix being arranged in an interlaced manner or an interlaced manner; determining display parameters of each display unit in each pixel unit according to the to-be-rendered image; and controlling the display screen to display the to-be-rendered image according to the display parameters. According to the embodiment of the invention, the display screen can display colors more accurately, and the display effect of the display screen is improved.

The utility model provides an automatic color mixing machine, contain organism, storage group, pump valve mechanism, discharge mechanism, discharge platform, storage group contains a plurality of storage jar, and the bottom of storage jar is provided with discharge port, discharge mechanism contains the supporting plate, sprays, and the sprays have a plurality of discharge interfaces, pump valve mechanism contains riser, first pump valve group, second pump valve group, pump body push and pull drive mechanism, first pump valve group, second pump valve group all contain mounting support, a plurality of pump valves, and the pump valve contains valve module, pump body module, and the pump body module contains piston cylinder, piston rod, piston, and the valve module contains valve main part, input output control mechanism, and the valve main part contains input, output, and the pump body push and pull drive mechanism contains lifting drive arrangement, the lifting slide that is symmetrically arranged in the riser both sides and with the riser sliding connection, and lifting drive arrangement is used to drive lifting slide to move up and down, and one end of piston rod is connected on lifting slide, can simplify equipment structure, reduce cost.

The invention provides an image sensor and a preparation method thereof. The image sensor comprises a pixel array, a color film layer and a plurality of micro lenses. The invention relates to the field of semiconductors. Through a new pixel array, the problem of color accuracy in a traditional Bayer array interpolation algorithm is solved, the image sensor provided by the invention is simple and compact in arrangement, and can increase more light incoming quantity, so that the image sensor can still obtain a clear image when the illumination is relatively dark or the exposure time is relatively short, and the image sensor can be widely applied to the field of image processing. The quality of the image sensor is improved. The invention is mainly used for realizing the color image shooting of the CCD or CMOS sensor.

A color electrophoretic display having a micro-compartment structure includes: a control substrate having a first surface and a second surface; the driving circuit layer, the control electrode layer and the electrophoresis layer are sequentially arranged on the second surface of the control substrate; the electrophoresis layer is provided with a micro-compartment structure, the micro-compartment structure is arranged above the control substrate and is made of a high polymer material, and the micro-compartment structure comprises a plurality of compartment walls to define a plurality of grooves filled with a colloidal solution; wherein the color filter layer is arranged at the bottom of the groove chamber, and the colloidal solution contains charged black color particles and / or charged white color particles.

The invention discloses a color and near-infrared single-pixel imaging system and a color calibration method thereof for a reconstructed image, and belongs to the field of optical imaging. The system specifically comprises a light source, a camera, a DMD, a plane mirror, a light splitting module, a single-pixel detector, an analog-to-digital conversion module and a computer, a light source which is transmitted / reflected by an object is converged to the DMD through the camera, two plane mirrors are respectively arranged at a + / -12-degree overturning angle, a + 12-degree reflection beam is reflected by the dichroscope to form a red light wave band, a transmission beam is reflected by the dichroscope to form a blue light wave band, a-12-degree reflection beam is reflected by the dichroscope to form a green light wave band, and a transmission beam is reflected by the dichroscope to form a near-infrared wave band. Light intensity signals are detected by four single-pixel detectors at the same time, RGB and near-infrared reconstructed images are obtained through calculation of an analog-to-digital conversion module, and a final image is formed through color calibration. According to the method, color and near-infrared single-pixel imaging is realized while the color image quality is ensured, and the method has important practical application value.

Systems and methods for maintaining color calibration using common objects are described herein. In an exemplary embodiment, an AR system includes a forward-facing camera, an AR display, a processor, and a user interface. The processor is configured to receive image data from the forward-facing camera and identify any known objects depicted in the image data. The processor then determines RGB information of at least one test rendering of the identified known object and displays the RGB information through the AR display. Input from the user interface is received by the processor and used to update the AR display color calibration model, wherein the input indicates which of the at least one test rendering is the closest match to the real-world object and indicates a level of satisfaction with the match. More test renderings can be iteratively provided to improve the accuracy of the calibration.

The application discloses an intelligent color-changing light source system, and relates to the technical field of LED intelligent lighting; a power management module receives a mode switching instruction issued by a micro control module, and switches the operation condition according to the load demand corresponding to color output; a driving module receives a PWM pulse signal issued by the micro control module, and adjusts the driving current of an RGBW four-channel LED array module; a color perception module is used for collecting ambient light intensity, color temperature and color distribution data in real time, and transmitting the data to the micro control module for color adaptation and calibration; a closed-loop feedback adjustment module obtains color deviation through difference calculation based on the data collected by the color perception module, in combination with preset color parameters, and transmits the color deviation to the micro control module; the micro control module generates a calibration signal and sends the calibration signal to the driving module, so as to correct the driving current of each channel of the RGBW four-channel LED array module. The application can meet the requirements of low power consumption, fast response and high color precision.

The invention provides a projection device for a watch, and the device comprises a light transmitting module which is used for providing light needed by projection; the light preprocessing module is used for preprocessing the light, preliminarily differentiating and guiding the light according to colors and adjusting the propagation directions of the light with different colors; the color separation module is used for separating the light according to colors; the light uniformizing module is used for uniformizing the light; the guiding and correcting module is used for guiding light and correcting the image; the image generation module is used for controlling a reflector to generate an image according to the image signal; and the projection and adjustment module is used for focusing light and adjusting and projecting an image. According to the invention, the technical problem that the quality of a projection image projected by a projection device in a traditional wearable device is low is solved.

The present disclosure relates to the technical field of display, and particularly relates to a display method, a display device and a computer readable storage medium. The method comprises: acquiring a current frame image; performing N times of preprocessing operations based on the current frame image to determine N preprocessing images; wherein the preprocessing operation at least comprises any one of a downsampling operation and a filtering operation, an nth preprocessing image is obtained based on a target image, the target image comprises any one of the current frame image and an (n-1)th preprocessing image, when n equals to 1, the target image is the current frame image, when n is greater than or equal to 2, the target image is the (n-1)th preprocessing image, n and N are positive integers, and 1<=n<=N; determining an updated frame image based on at least one preprocessing image; and controlling a display to display the updated frame image.