56results 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 present invention relates to a high-uniformity, high-transmittance optical fiber image invertor and a preparation method and application thereof. The optical fiber image invertor comprises an input end, an output end and an optical fiber portion arranged between the input end and the output end; the surface of the input end and / or the output end has a thin film whose thickness gradually decreases from the center to the edge; the thickness and position of the thin film satisfy: x = -2×10 ‑7 y 6 +8×10 ‑9 y 5 ‑1×10 ‑4 y 4 ‑2×10 ‑6 y 3 ‑0.0315y 2 ‑1×10 ‑11 y+4.2165, where: x is the absolute thickness of the film, y is the distance from the center to the edge. The technical problem to be solved is to obtain a fiber optic image inverter with high uniformity and high transmittance by improving the drawing profile of the fiber optic image inverter and coating the homogenizing film at the same time.

The invention discloses a display compensation method, a display compensation device, display equipment and a storage medium. The method comprises the following steps: determining a corresponding target gray-scale value set based on an original gray-scale value of a to-be-displayed picture of a display panel; a first target gray-scale value larger than the original gray-scale value and a plurality of second target gray-scale values smaller than the original gray-scale value in the target gray-scale value set serve as display gray-scale values of all the sub-pixels, and the to-be-displayed image is displayed. Wherein the first target gray-scale value is a relatively high gray-scale value used for visual compensation, and the second target gray-scale value is a relatively low gray-scale value used for visual compensation. Therefore, by increasing the number of relatively low gray-scale values (the second target gray-scale value) and reducing the side-view brightness, the difference between the side-view brightness and the front-view brightness is reduced, so that the display brightness of the display panel at multiple visual angles is balanced, and efficient visual compensation is performed on the display panel.

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

The embodiment of the invention provides a display panel and a display device. The display panel comprises a plurality of sub-pixels and a plurality of first signal lines, the plurality of first signal lines comprise a first type of signal lines and a second type of signal lines, in the same sub-pixel column, part of the sub-pixels are electrically connected with the first type of signal lines, part of the sub-pixels are electrically connected with the second type of signal lines, and the first type of signal lines and the second type of signal lines are located on the two opposite sides of the sub-pixel columns electrically connected with the first type of signal lines and the second type of signal lines; the plurality of sub-pixels comprise first color sub-pixels, in the same sub-pixel row, part of the first color sub-pixels are electrically connected with the first type of signal lines, and part of the first color sub-pixels are electrically connected with the second type of signal lines. According to the display panel, the first color sub-pixels connected with the first type of signal lines and the first color sub-pixels connected with the second type of signal lines are arranged in one sub-pixel row, so that the charging difference of the first color sub-pixels in different rows can be reduced, the brightness difference between different sub-pixel rows can be reduced, and the cross grain problem of the display panel can be improved.

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.

The invention relates to the technical field of display, and particularly discloses a display control method and a computer readable storage medium, and the method comprises the steps: carrying out the output control of a whole display screen according to a first refresh rate; adjusting the refresh rate corresponding to the target area in the display screen to be a second refresh rate; if a difference value between the brightness of the target area and the brightness of other areas is within a preset range when output control is performed on the target area according to a second refresh rate, establishing a refresh rate binding point which represents a mapping relationship between the first refresh rate and the second refresh rate; and when the number of the refresh rate binding points does not reach the preset number, adjusting the first refresh rate, and returning to execute the step of performing output control on the whole display screen according to the first refresh rate so as to establish the next refresh rate binding point. Therefore, the required number of refresh rate binding points can be established, that is, the mapping relation between the refresh rate corresponding to the whole screen and the refresh rate corresponding to the target area is determined, and the problem that the brightness of the display screen is not uniform is solved.

The present invention relates to a light cone with high uniformity and high transmittance, and a preparation method and application thereof. The light cone comprises a large end face portion, a small end face portion and an optical fiber portion arranged between the large end face portion and the small end face portion; the surface of the large end face portion and / or the small end face portion has a thin film whose thickness gradually decreases from the center to the edge. The technical problem to be solved is to obtain a light cone with high uniformity and high transmittance by improving the drawing profile of the light cone and coating a homogenizing film at the same time.

A display device is disclosed, comprising: a substrate provided with a plurality of pixels; a circuit element layer provided on the substrate and provided with an auxiliary electrode; an insulating layer provided on the circuit element layer and provided with a first groove and a plurality of connection electrodes separated from each other; a fence provided on the plurality of connection electrodes; an organic light-emitting layer provided on the fence; and a second electrode arranged on the organic light-emitting layer, wherein the plurality of connection electrodes are electrically connected to the auxiliary electrode, at least one of the plurality of connection electrodes is exposed from the first groove, and the second electrode is in contact with the connection electrode exposed from the first groove. Therefore, the brightness difference between the outer portion of the panel and the central portion of the panel can be reduced.

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 present application provides a color temperature adjustment method, device, terminal device and computer-readable storage medium, wherein the color temperature adjustment method comprises: obtaining a first brightness value of a display to be tested in a preset state, wherein the preset state is characterized as a state in which the display to be tested operates at its maximum brightness value and maximum contrast value; comparing the first brightness value with a threshold value of a preset brightness interval, and obtaining the RGB initial value of the display to be tested according to the comparison result; obtaining the real-time color temperature value and real-time brightness value of the display to be tested according to the RGB initial value, the default brightness value and the default contrast value; if the real-time color temperature value and the real-time brightness value are both within a target range, the color temperature adjustment is completed; wherein the target range is the color temperature standard value and the brightness standard value of the display to be tested. Through the above method, the adjustment efficiency of the color temperature of the display can be significantly improved.

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 provides a thin film transistor and a transistor array substrate. The thin film transistor comprises a substrate; a semiconductor layer disposed on the substrate and including a channel region, a first conductive region connected to one side of the channel region, and a second conductive region connected to the other side of the channel region; a gate insulating layer covering a region in the semiconductor layer except the first conductive region and the second conductive region; a gate electrode disposed on the gate insulating layer and overlapping the channel region in a plan view; and a first electrode disposed on the gate insulating layer on a side of the channel region and in contact with a portion of the first conductive region. A first edge of the first electrode facing the gate electrode obliquely intersects a first edge of the gate insulating layer in a plan view.

The embodiment of the utility model provides a display panel, and belongs to the technical field of display. A display backboard in the display panel is provided with a first area, a splicing area and a second area which are sequentially connected in the first direction, and the distribution density of light-emitting units in all the areas is the same. A first signal line in the display backboard is located in the splicing area, and a second signal line is located in the first area or the second area and controls the brightness of the first light-emitting unit and the second light-emitting unit respectively. The line widths of the first signal line and the second signal line are different, and / or the areas of the first electrodes of the first light-emitting unit and the second light-emitting unit are different, and the driving conditions of the first light-emitting unit and the second light-emitting unit are the same; or the first and second signal lines are spaced from each other and extend in the second direction, the signal lines are different in line width, the areas of the first electrodes of the first and second light-emitting units are different, and the voltages provided by the first and second signal lines are different. The brightness difference between the first light-emitting unit and the second light-emitting unit is within 15%. According to the embodiment of the invention, the problem of uneven display can be improved.

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 present invention discloses a display device capable of reducing the brightness difference between a joint seam and a display screen, comprising a connector, wherein the connector is fixed in the joint seam of two adjacent display screens, and the connector covers the screen edges of the two adjacent display screens, and a plurality of light-emitting element groups are provided on the side of the connector facing away from the joint seam, and the light-emitting element groups are covered by a diffusion layer for diffusing light. The present invention fixes the connector in the joint seam, and through the light emission of the light-emitting element group, the brightness difference and color difference between the joint seam and the display screen can be reduced, the integration degree of the display device and the display screen can be improved, the black edge effect caused by the existence of the joint seam can be eliminated, the integrity of the display screen picture can be improved, and the display effect of the picture can be improved.

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 present invention relates to a high-uniformity, high-transmittance optical fiber panel and its preparation method and application. The high-uniformity, high-transmittance optical fiber panel comprises an output end, an input end, and an optical fiber portion arranged between the output end and the input end; the surface of the output end and / or the input end has a thin film whose thickness gradually decreases from the center to the edge; the thickness and position of the thin film satisfy: x = -2×10 ‑7 y 6 +8×10 ‑17 y 5 +1×10 ‑4 y 4 ‑2×10 ‑14 y 3 ‑0.0315y 2 ‑1×10 ‑11 y+4.2165, where x is the absolute thickness of the film, and y is the distance from the center to the edge. The technical problem to be solved is to obtain a high uniformity and high transmittance optical fiber panel by coating a homogenizing film.

The present application relates to a display panel and a display device, wherein the display panel includes a light-emitting device layer and a color conversion layer. The light-emitting device layer includes a plurality of light sources distributed in an array. The color conversion layer is arranged on one side of the light-emitting surface of the light-emitting device layer, and the color conversion layer includes a retaining wall structure and a first conversion unit and a second conversion unit for converting the light emitted by the light source into a predetermined color light. The retaining wall structure encloses a first opening and a second opening, the first conversion unit is located at the first opening, and the second conversion unit is located at the second opening. The material of the first conversion unit includes a first conversion material, and the material of the second conversion unit includes a second conversion material, and the content of the first conversion material is greater than the content of the second conversion material. The embodiments of the present application can reduce the brightness difference between the color corresponding to the conversion material and the color corresponding to other conversion materials at different viewing angles, thereby solving the problem of color deviation of a single color in the display panel.

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.