27results about How to "Reduce brightness difference" patented technology

The invention discloses a power transmission and transformation equipment inspection infrared and visible light image fusion method, which comprises the following steps: S1, acquiring an infrared image and a visible light image of power equipment, constructing an image data set of the power equipment, and dividing the image data set into a training set and a test set; s2, constructing an infrared and visible light image fusion network model EIVFusion; s3, training the infrared and visible light image fusion network model EIVFusion by using the infrared image and the visible light image of the power equipment in the training set to obtain a trained infrared and visible light image fusion network model EIVFusion; and S4, inputting the infrared image and the visible light image of the power equipment in the test set into the trained infrared and visible light image fusion network model EIVFusion to obtain a fusion image. According to the method, the features in the visible light image and the infrared image can be well extracted and fused together, and high-performance fusion of the infrared image and the visible light image for power transmission and transformation equipment inspection can be realized.

The embodiment of the invention provides a display panel, a driving method thereof and a display device, relates to the technical field of display, and can effectively improve the flicker phenomenon under low-frequency driving. The display panel comprises a pixel circuit, the pixel circuit comprises a driving module and a bias adjusting module, the control end of the bias adjusting module is electrically connected with a first scanning line, the first end of the bias adjusting module is electrically connected with a bias signal line, the second end of the bias adjusting module is electrically connected with the first end of the driving module, the first scanning line provides a first scanning signal, and the bias signal line provides bias voltage; the display panel has a first frequency, a driving period under the first frequency comprises a write-in frame and a plurality of holding frames, and the write-in frame and the holding frames respectively comprise at least one light emitting period; in the light emitting period, the total duration of the effective level of the first scanning signal is the first duration; at the first frequency, the first durations corresponding to at least part of the holding frames and the write-in frames are different, and / or the bias voltages corresponding to at least part of the holding frames and the write-in frames are different.

The invention discloses a display panel and a display device. The display panel comprises a first display area, a second display area and a first non-display area. In the first direction, the first non-display area is located on at least one side of the first display area, the first display area and the second display area are arranged in the second direction, and the first direction intersects with the second direction; the display panel comprises at least one first signal line and at least one row of first pixels which are located in a first display area; the first signal lines extend along a first direction, and the first signal lines are connected with one row of first pixels; the at least one second signal line and the at least one row of second pixels are located in the second display area; the second signal lines extend along the first direction, and the second signal lines are connected with one row of second pixels; the number of the first pixels arranged in the first direction is smaller than that of the second pixels arranged in the first direction; at least one compensation capacitor is located in the first non-display area and connected with the first signal line. The brightness difference of the display panel can be improved.

An object of the present invention is to provide a multilayer laminated film and a projected image display member capable of reducing a luminance difference in an image due to a difference in projection angle when used in a projection member of an augmented reality device or the like. To solve this problem, the present invention provides a multilayer laminated film obtained by alternately laminating 51 layers or more of a plurality of different thermoplastic resin layers, in which a transmittance of visible light perpendicularly incident on a surface of the multilayer laminated film is 50% or more and 100% or less, and when average reflectances of P-polarized wave at the time of visible light being incident on the surface of the multilayer laminated film such that angles formed with a normal of the surface are 20°, 30°, 40°, 50°, 60°, and 70° are denoted as Rp20 (%), Rp30 (%), Rp40 (%), Rp50 (%), Rp60 (%), and Rp70 (%) in this order, standard deviations of Rp20, Rp30, Rp40, and Rp50 are 5% or less and Rp60 and Rp70 are 3% or more and 50% or less

Disclosed is a display device including: a display panel including a display area provided with pixels and a non-display area provided around the display area; and at least one gate driver configured to apply a scan signal and a light emission signal to the pixels. The compensation capacitor is short-circuited during the light emission period, but is applied with a DC voltage during at least one other driving period.

A display panel, its driving method, and a display device are disclosed. The display panel has a display area, which includes multiple sub-pixel areas. The display panel includes multiple first sub-pixels, multiple second sub-pixels, multiple scan lines, and multiple data lines. At least one first sub-pixel and one second sub-pixel are distributed within each sub-pixel area. The first sub-pixels and second sub-pixels located within the same sub-pixel area are connected to the same scan line or to different scan lines respectively. The first sub-pixels and second sub-pixels located within the same sub-pixel area are respectively connected to different data lines. The second sub-pixel can compensate for the brightness of the sub-pixel area when the brightness of the displayed image is below a first set value.

A display device includes a display panel including a plurality of pixel rows, and a panel driver which drives the display panel. The panel driver determines whether input image data represents a still image. When the input image data represents the still image, the panel driver determines a flicker value of the still image, applies a compensation value corresponding to a carry shift interval to the flicker value, determines a driving frequency for the display panel based on the flicker value to which the compensation value is applied, and performs an alternate driving operation for the display panel at the driving frequency. Accordingly, a flicker may be prevented when an alternate driving operation is performed.

The invention relates to a test method based on a test system and a test system thereof, the test system comprises a test chamber, a test platform, an optical measuring instrument and a control center, the test chamber provides a test space for a lamp, the test platform is arranged in the test chamber, the optical measuring instrument is movably arranged on the test platform, and the control center is connected with the optical measuring instrument. The control center is arranged outside the test chamber, the control center is in communication connection with the lamp, the control center controls the optical measuring instrument to move to a proper position through the test platform so as to obtain optical data when an LED lamp bead of the lamp is lightened, and the optical measuring instrument feeds back the optical data to the control center. And the detection, verification and correction efficiency of lamp products can be greatly improved.

The embodiment of the invention provides a display panel, a driving method thereof and a display device, the display panel comprises a first driving mode, a display frame of the first driving mode comprises a write-in frame, a first holding frame and a second holding frame, the first holding frame and the second holding frame are carried out after the write-in frame, and the first holding frame is located between the write-in frame and the second holding frame; the display panel comprises a plurality of sub-pixels, each sub-pixel comprises a pixel circuit and a light-emitting device which are electrically connected with each other, the pixel circuit comprises a driving transistor and a first transistor, the first transistor is electrically connected with the driving transistor, and the first transistor is used for transmitting a first adjusting voltage to the driving transistor in a first holding frame. The second voltage regulator is used for transmitting a second regulation voltage to the driving transistor in a second holding frame; wherein the first regulating voltage is greater than the second regulating voltage. The problem of frequency-switching flicker of the display panel can be solved while the fixed-frequency flicker-free display panel is realized.

The invention provides a display device, which comprises a plurality of pixel units, each pixel unit comprises a first color sub-pixel, a second color sub-pixel, a third color sub-pixel and a third color sub-pixel, the plurality of pixel units comprise a first pixel unit and a second pixel unit, in a first display mode, the first pixel unit emits light and the second pixel unit does not emit light, and in a second display mode, the second pixel unit does not emit light. In the first display mode, the first pixel unit emits light, or both the first pixel unit and the second pixel unit emit light, in the second display mode, the first pixel unit does not emit light, the second pixel unit emits light, the first pixel unit and the second pixel unit are adjacent in the first direction, the first color sub-pixel and the second color sub-pixel of the first pixel unit are located in the jth column, and the second color sub-pixel of the second pixel unit are located in the jth column. The third color sub-pixels of the first pixel units are located in the (j + 1) th column, the third color sub-pixels of the second pixel units are located in the jth column, the first color sub-pixels and the second color sub-pixels of the second pixel units are located in the (j + 1) th column, and j is a positive integer. According to the display device, the view angle symmetry of the first pixel units is improved.

The present disclosure relates to a display panel and a display device using the display panel. The display panel includes: a pixel array in which a plurality of data lines, a plurality of gate lines crossing the data lines, and a plurality of pixels are arranged; a first gate driver configured to provide a gate signal to a gate line connected to a pixel arranged in a first area of ​​the pixel array; and a second gate driver configured to receive a carry signal from the first gate driver and provide the gate signal to a gate line connected to a pixel arranged in a second area of ​​the pixel array. The second gate driver includes a signal transmission unit arranged in the pixel array to receive the carry signal from the first gate driver.

The invention discloses a display panel, a display device and a driving method, the display panel comprises a plurality of pixel circuits and a switch module electrically connected with the plurality of pixel circuits, the switch module comprises a first switch member, the first switch member comprises a first input end, a first output end and a first control end, the first input end is used for inputting a first voltage signal, and the first output end is used for outputting a second voltage signal; the first control end is used for inputting a first control signal; the second switch piece comprises a second input end, a second output end and a second control end, the second input end is used for inputting a second voltage signal, the second control end is used for inputting a second control signal, and the second voltage signal is different from the first voltage signal; wherein the first switch piece controlled by the first control signal and the second switch piece controlled by the second control signal cannot be turned on at the same time, the first output end and the second output end are electrically connected, and the first output end and the second output end are electrically connected with the pixel circuits so as to reset the pixel circuits. According to the structure, the brightness difference between different partitions of the display panel can be reduced.

The utility model relates to the technical field of LED light sources, in particular to a copper bar power supply structure of an LED light source and a line light source lamp. The copper bar power supply structure comprises an LED chip set, a power supply patch set and a copper bar. The LED chip set comprises at least two LED chips arranged in the first direction. The power supply patch group comprises at least two power supply patches arranged in the first direction, the power supply patch group is located on at least one side of the LED chip group, and the power supply patches are electrically connected with the LED chips; the copper bars are attached to and electrically connected with the multiple power supply patches located on the same side and connected with the power source positive electrode or the power source negative electrode. According to the copper bar power supply structure of the LED light source, the plurality of LED chips are supplied with power through the copper bars, and the voltage difference among the LED chips can be reduced, so that the brightness difference among the LED chips is reduced, and the uniformity of overall illumination is improved.

The present application discloses a backlight driving method and a liquid crystal display device. The backlight driving method first determines the total luminous flux value of each display partition based on video data and a light intensity coefficient table, then determines the total luminous flux value of each backlight partition according to the total luminous flux value of each display partition, then calculates the light intensity of each lamp bead based on the total luminous flux value of the backlight partition, and then determines the driving parameters of each lamp bead according to the light intensity of each lamp bead, thereby meeting the luminous flux requirements of a moving object at different positions, reducing or avoiding the brightness difference between the moving object at different positions, and thereby improving or avoiding the flickering phenomenon of the moving object.

The invention relates to the technical field of vehicles, in particular to an intelligent driving safety auxiliary method and device, a vehicle and a storage medium, and the method comprises the steps: obtaining an actual tracking period of a monocular vision sensor for tracking a front target; if the actual tracking period is smaller than the preset period, the detection distance between the vehicle and the front target and the first detection speed of the front target are determined according to images collected by the monocular vision sensor, and the second detection speed of the front target detected by other sensors is obtained; and fusing the first detection speed and the second detection speed to obtain a fusion speed of the front target, and controlling the vehicle to execute a safety auxiliary action according to the detection distance and / or the fusion speed. Therefore, the problems of low driving safety, poor driving experience and the like caused by poor target perception fusion adaptivity, possible false recognition, false braking of the vehicle due to low recognition precision of the driver and other targets in auxiliary driving in related technologies are solved.

A display device and a method for setting the same are provided, the display device including: a pixel electrode in a light emitting area; a pixel defining layer on the pixel electrode and defining a light emitting region; a light emitting layer and a common electrode on the pixel electrode; a bank on the pixel defining layer, the bank including a first bank layer defining a lower portion of a bank opening corresponding to the light emitting area, and a second bank layer defining an upper portion of the bank opening and a tip of the bank, the tip including an upper surface and a lower surface of the second bank layer; a lower inorganic encapsulation layer on the bank and including an inorganic pattern on the common electrode and facing and spaced apart from both the upper and lower surfaces of the tip; and an auxiliary pattern between a lower surface of the tip and the inorganic pattern.

The embodiment of the invention provides a light-emitting module and a display device. The light-emitting module comprises a substrate, and a transflective film layer, a color modulation layer, a light modulation layer and a light-emitting device which are sequentially arranged on the second side of the substrate, at least one part of first light generated by the light-emitting device penetrates through the light modulation layer to enter the color modulation layer, and the color modulation layer is configured to modulate the received first light into second light; one part of the second light penetrates through the transflective film layer and is emitted towards the first side direction of the substrate, and one part of the second light is reflected by the transflective film layer and then enters the light modulation layer; and the light modulation layer is configured to modulate the received third light at the preset angle and then enable the third light to be emitted from the periphery of the transflective film layer to the first side direction of the substrate. According to the technical scheme, the light emitting uniformity of the sub light emitting areas of the light emitting module is improved, and the overall light emitting uniformity of the light emitting module is improved.

The embodiment of the invention provides a display device and a driving method thereof. The display device comprises a plurality of pixel circuits arranged in an array, each pixel circuit is connected with a corresponding voltage line, and the voltage lines are used for writing voltage into the connected pixel circuits; the refresh cycle of the pixel circuit comprises a first time period and a second time period; the plurality of pixel circuits comprise a first pixel circuit and a second pixel circuit, the first pixel circuit is connected with a first voltage line, and the second pixel circuit is connected with a second voltage line; and when the refresh rates corresponding to the first pixel circuit and the second pixel circuit are different, the voltage of the first voltage line in the second time period is different from the voltage of the second voltage line in the second time period.

The invention relates to laminated glass, a skylight assembly and a vehicle. The laminated glass comprises a first glass layer, a second film layer and a second glass layer which are stacked in sequence; the first glass layer is provided with a first pattern; the second film layer is provided with a second pattern; and the width of the line of the second pattern is gradually reduced from the center to the edge of the second film layer. According to the laminated glass, the uniformity of the overall brightness of the laminated glass can be improved.

The utility model provides a shading shed used between highway tunnels, which comprises a plurality of first shading sections, a plurality of second shading sections, a plurality of third shading sections and a plurality of fourth shading sections, the at least one smoke exhaust shading section is arranged between two adjacent shading sections I; the ceiling of the smoke exhausting and shading section is higher than the ceiling of the first shading section, and the ceilings of the first shading section at the two ends of the smoke exhausting and shading section extend into the smoke exhausting and shading section; a first ventilation opening is formed between the first end of the ceiling of the smoke exhausting and shading section and the ceiling of the first shading section below the ceiling of the smoke exhausting and shading section, and a second ventilation opening is formed between the second end of the ceiling of the smoke exhausting and shading section and the ceiling of the first shading section below the ceiling of the smoke exhausting and shading section. The circulation section of the first ventilation opening is smaller than that of the second ventilation opening. According to the shading shed, the visual influence of the'white hole 'and'black hole' effects of a tunnel group on a driver is reduced, and meanwhile, the ventilation effect of the shading shed on the interior of a tunnel is enhanced.

The invention discloses AR glasses. The AR glasses comprise an optical machine, a first prism, a second prism and a waveguide, the first prism and the second prism are sequentially arranged along the light emitting direction of the ray machine, the waveguides comprise a first waveguide and a second waveguide which are respectively arranged along the reflection directions of the first prism and the second prism, the first waveguide is provided with a first coupling-in area and a first coupling-out area, and the second waveguide is provided with a second coupling-in area and a second coupling-out area; wherein the first prism is used for reflecting and transmitting light rays emitted by the ray machine to form first light rays and second light rays, the first light rays enter the first coupling-in area, and the second prism is used for reflecting the second light rays and entering the second coupling-in area; and the first light and the second light are subjected to total reflection propagation in the first waveguide and the second waveguide respectively and finally reach the first coupling-out area and the second coupling-out area, so that an image is formed. The waveguide structure is high in light efficiency, clear and complete in image display and not prone to being polluted and damaged, and the user experience is improved.

The application provides a display substrate, a display panel and a display device, relates to the technical field of display, and can reduce the luminance difference problem of different columns of pixels. The display substrate comprises: data lines extending along a first direction; gate lines extending along a second direction, the gate lines intersecting the data lines to form a pixel area; first semiconductor connecting parts and second semiconductor connecting parts, the orthographic projections of the first semiconductor connecting parts and the second semiconductor connecting parts on a substrate layer all overlap the orthographic projection of the gate lines on the substrate layer; first pixel electrodes and second pixel electrodes are arranged in the pixel area, the first semiconductor connecting parts are electrically connected to the first pixel electrodes through first electrode lead lines, the second semiconductor connecting parts are electrically connected to the second pixel electrodes through second electrode lead lines, the first semiconductor connecting parts and the second semiconductor connecting parts are connected to the same data line, the length of the first electrode lead lines along the second direction is less than the length of the second electrode lead lines along the second direction; the distance between the first electrode segments and the nearest gate lines is less than the distance between the second electrode segments and the nearest gate lines.

The present invention discloses a driving method, a driving device and a display device of a display panel. The driving method of the display panel includes: determining the initial driving data of each sub-pixel in each written frame according to the picture to be displayed; adjusting the initial driving data of at least part of the written frames in a driving cycle to obtain the final driving data; within a driving cycle, the difference between the average of the final driving data of all written frames corresponding to the sub-pixels in each sub-display area and the initial driving data of the sub-pixels is less than a preset threshold; at least part of the written frames include the first written frame of at least two written frames; in the first written frame, the adjustment method of part of the sub-display area is different from that of other sub-display areas, or, in the first written frame, the initial driving data of part of the sub-display area is adjusted, and the initial driving data of part of the sub-display area is not adjusted; and driving the sub-pixels to display the picture to be displayed according to the final driving data. The present invention can improve the display effect of the display panel.

The optical module comprises a light source and a lens module, and the light source is provided with a first axis; the lens module comprises a condensing lens group and is provided with a second axis; a reference plane lambda perpendicular to a main optical axis is taken as a first projection plane, a light incident surface, closest to a light source, of a lens module is taken as an initial light incident surface, and an orthographic projection B of an intersection point of a first axis and the initial light incident surface on the reference plane lambda is positioned on one side of an orthographic projection C of a second axis on the reference plane lambda; and the orthographic projection D of the maximum light energy part of the emergent light beam of the lens module on the reference plane lambda is positioned on the other side of the orthographic projection C of the second axis on the reference plane lambda. The intersection point of the initial light incident surface and the first axis is arranged on one side of the second axis, light with more light sources can enter the lens module from one side of the second axis and is emitted after being processed by the lens module, and the emitted light beams deviate to the other side of the second axis; it can be guaranteed that the brightness difference of all positions of the projection pattern is small, and the uniformity of the projection pattern is effectively improved.

The application relates to the technical field of image processing, in particular to a clinical ultrasonic image auxiliary screening system based on deep learning. The system comprises an ultrasonic image preprocessing module, a lesion region segmentation module, an image lesion labeling module and a lesion auxiliary screening module, can acquire clinical ultrasonic images and carries out gray processing and neighborhood gray balance processing, so as to generate clinical ultrasonic balanced images; carries out pixel normalization and lesion region segmentation based on tissue boundary blur on the clinical ultrasonic balanced images, so as to generate clinical ultrasonic image lesion region blocks; carries out image lesion labeling through the clinical ultrasonic image lesion region blocks, so as to generate a clinical ultrasonic lesion labeling image set; constructs an image lesion auxiliary screening model and carries out lesion auxiliary screening, so as to output the lesion position, lesion type and lesion severity corresponding to the lesion existing on the clinical ultrasonic image. The application can realize accurate analysis of clinical ultrasonic images, so as to assist in efficiently completing lesion screening.

The embodiments of the present invention provide a display panel and a display device, which relate to the field of display technology and improve brightness uniformity and color deviation. The display panel includes: a substrate; sub-pixels, including dimming sub-pixels; a dimming structure located on the side of the sub-pixel facing away from the substrate, including multiple light extraction parts and a high refractive index layer; in the direction perpendicular to the substrate, the light extraction part is located on one side of the dimming sub-pixel, and the side of the light extraction part close to the dimming sub-pixel is the dimming side, and the dimming side includes a first oblique side; the high refractive index layer covers the sub-pixel and the extraction part, and the refractive index of the high refractive index layer is greater than the refractive index of the light extraction part; the light extraction part includes a first extraction part and a second extraction part, the first extraction part is located on one side of the dimming sub-pixel in the first direction, and the second extraction part is located on one side of the dimming sub-pixel in the second direction; the angle between the first oblique side and the second direction in the first extraction part is different from the angle between the first oblique side and the first direction in the second extraction part.