35results about How to "Improve Brightness Consistency" patented technology

A front light liquid crystal display device comprises a liquid crystal display panel, a light guide plate, a light source optically connected to the light guide plate and irradiating light to the light guide plate, and supports and fixes the liquid crystal display panel in an area outside the display area of ​​the liquid crystal display panel The member is held in a space with a predetermined gap with the light guide plate. The space maintaining member has a base member and an adhesive material layer on at least one side of the base member. The layer of adhesive material has a lower refractive index than the light guide plate.

The invention relates to a control method for increasing brightness consistency, a brightness correction controller and a display device. The control method is used for increasing the brightness consistency of the display device, one panel of the display device comprises a plurality of sampling pixels, and each sampling pixel corresponds to a sampling coordinate value of the panel. The control method comprises the following steps of: receiving an input pixel; judging an adjacent sampling pixel of the input pixel according to one coordinate value of the input pixel and the sampling coordinate values of the plurality of sampling pixels; obtaining a brightness searching table of the adjacent sampling pixel, wherein each brightness searching table comprises a brightness correction value of one adjacent sampling pixel; respectively obtaining a specific brightness correction value corresponding to a gray value in the brightness searching table according to a corresponding gray value of the input pixel; and calculating a brightness correction value of the input pixel according to the coordinate value of the input pixel, the sampling coordinate value of the adjacent sampling pixel and the specific brightness correction value.

The invention discloses a display screen module structure and a manufacturing method of the display screen module. The display screen module structure includes: a frame body fixed on a circuit board, wherein the frame body includes a hole array and an osmotic pressure balance structure arranged around the hole array. In the display screen module formed by the display screen module structure disclosed in the present invention, the brightness consistency of the LED pixel units is improved, and the edge defects caused by the penetration of the sealant are eliminated.

The invention discloses an alternating current power supply electronic clock with a power saving structure, comprising an electronic clock main body, which is characterized in that the electronic clock is provided with a power-switching circuit capable of saving power, the power-switching circuit is positioned outside the electronic clock main body and connected with the electronic clock circuit of the electronic clock, transfers the voltage of an urban electricity power supply circuit into a direct voltage consistent with the time oscillating frequency of the electronic clock and outputs thedirect voltage to the power output end of the electronic clock circuit. The power-switching circuit comprises a rectifying circuit, an auto-excitation type intermittent oscillation circuit, an outputcircuit and a feedback circuit, wherein the auto-excitation type intermittent oscillation circuit comprises a switch transformer T1, a flux reset circuit, a power regulation chip IC1 and a supply circuit of the power regulation chip. The invention has the characteristics of high electric energy transformation efficiency, obvious energy saving effect, high stability of output voltage, little source effect and load effect, small volume, light weight, global utilization and the like.

The invention provides a display module and a brightness adjustment method of a display module. The display module comprises a panel assembly, a driving device and a brightness adjustment device. The driving device comprises a driving integrated circuit for driving the display module to be displayed at various brightness; and a communication module which communicates with an optical detection instrument, and after the optical detection instrument detects a maximum brightness value of the display module, obtains the detected maximum brightness value and sends the maximum brightness value to the driving integrated circuit, wherein the driving integrated circuit stores the maximum brightness value, or a brightness grade corresponding to the maximum brightness value or coding of the maximum brightness value in a predetermined memory of the driving device of the display module. The brightness adjustment device communicates with the driving device and adjusts the brightness of the display module. The device and method provided by the invention can reduce power consumption through reducing driving currents of a high-brightness display module, can prolong the service life, and enhances the brightness consistency.

The invention discloses a method for generating a high dynamic range panoramic image, comprising the following steps: S1, acquiring multi-exposure sequence images in different shooting directions; S2, splicing image groups in different shooting directions and having the same exposure parameters respectively, to obtain Multi-exposure panoramic image sequence; S3, calculate composite weight according to the degree of exposure of each pixel in the multi-exposure panoramic image sequence, and obtain the multi-exposure weight sequence; S4, project the multi-exposure panoramic image sequence and the multi-exposure weight sequence to the spherical coordinate system; S5, calculate the Laplacian pyramid of the multi-exposure spherical panoramic image sequence; S6, calculate the Gaussian pyramid of the multi-exposure spherical weight sequence; S7, carry out the panoramic image Laplacian pyramid and the weight Gaussian pyramid Synthesis, reconstruction to obtain panoramic images with high dynamic range. The high dynamic range panorama image generated by the invention can simultaneously record the details of the bright part and the dark part, and the image quality is high.

The disclosure provides a method for improving brightness of mosaiced images, which comprises the following steps: determining a first common area shared by a first image to be mosaiced and a second image to be mosaiced, calculating color average values of the first image to be mosaiced and the second image to be mosaiced in the first common area respectively, determining a target average value of the first common area based on the two color average values, and determining an adjustment parameter of the first common area according to the target average value and the color average values; determining a second common area shared by the second image to be mosaiced and a third image to be mosaiced, calculating color average values of the second image to be mosaiced and the third image to be mosaiced in the second common area, determining a target average value of the second common area based on the two color average values, and determining an adjustment parameter of the second common area according to the target average value and the color average values; determining an adjustment parameter of the central area of the second image to be mosaiced according to the adjustment parameters of the two common areas; adjusting display images of respective areas based on the above adjustment parameters.

The present application relates to the technical field of liquid crystal display, and in particular, to a backlight assembly, a liquid crystal display device, and an electronic device. The backlight assembly includes a light guide plate and a backlight light source, the light guide plate includes a light guide plate body and a plurality of wedge-shaped structures, the light guide plate body includes a first surface and a second surface, and the plurality of wedge-shaped structures are arranged at intervals on one end of the first surface close to the second surface; The backlight light source is arranged adjacent to the second surface of the light guide plate body, and each backlight light source is arranged between two adjacent wedge-shaped structures, so that part of the light emitted by the backlight light source is reflected by the wedge-shaped structure and enters the light guide plate body. Part of the light is reflected in the main body of the light guide plate, and the incident angle of the reflected light of the part of the light on the first surface is greater than or equal to the critical angle of total reflection of the light entering the air from the main body of the light guide plate, thereby improving the brightness of the light guide plate. The liquid crystal display device includes a backlight assembly. The electronic equipment includes a liquid crystal display device. In the above manner, the brightness uniformity of the light guide plate is improved.

An LED light source, comprising one or more LED modules (100-800), wherein each of the LED modules (100-800) comprises an LED (110) and a circuit board (120), the LED (110) being fixed to the circuit board (120), electrodes (121, 122) being arranged on the circuit board (120), and pins of the LED (110) being electrically connected to electrodes (121, 122); the LED light source also comprises a bearing structure (10), wherein the bearing structure (10) is provided with a plurality of bearing surfaces (13, 14, 23, 24, 33, 34) for bearing the LED modules (100-800), and various bearing surfaces (13, 14, 23, 24, 33, 34) are arranged such that the normal directions of at least two bearing surfaces are different; and the LED light source also comprises a drive circuit arranged in an enclosure (1) thereof, wherein various LEDs (D3-D10) are connected in series between a current output end and a current input end of the drive circuit. By adopting the LED modules (100-800) with a modular design and the bearing structure (10) having bearing surfaces (13, 14, 23, 24, 33, 34), a plurality of LED modules (100-800) are combined easily, the design and transplantation are convenient, and the illumination angle is adjusted easily, the lighting efficiency is high, and the lighting intensity is more uniform. In addition, the drive circuit is arranged in the LED light source, thereby being able to reduce system costs, reduce the volume, facilitate the use, and reduce the external influence.

An embodiment of the present application provides a method for preparing a composite optical film, the method includes: S1: preparing a barrier layer, the barrier layer including at least a first inorganic layer; S2: preparing a porous substrate, the porous substrate is located on the barrier The first surface of the layer, the porous substrate includes a plurality of concave holes arranged in an array; S3: preparing an inorganic nanoparticle-first polymer interpenetrating network, the inorganic nanoparticles are combined with the first monomer through a surface modifier. forming the interpenetrating network through pre-polymerization; S4: preparing a filling layer, adding a second monomer to the inorganic nanoparticle-first polymer interpenetrating network to form a mixed precursor solution, and filling the mixed precursor solution in the In the concave holes of the porous substrate, the filling layer is formed by final polymerization, and the filling layer is an organic-inorganic hybrid polymer transparent gel material with hygroscopic properties, and the gel material swells after absorbing moisture to release the filling layer from the surface. The second surface is protruded to form a microlens array. The preparation method of the composite optical film of the present application can not only provide the AMOLED display panel with the ability to block water vapor and oxygen for a long time, but also make up for the defect of low luminous efficiency caused by the deterioration of the light-emitting layer in the AMOLED light-emitting device over time.