39results about How to "Solve uneven display" patented technology

The invention discloses a peripheral compensation system of a pixel matrix, a method thereof and a display system. The peripheral compensation system comprises a grid scan driving module 200, a column data driving module 300 and a compensation module 400. The compensation module 400 is respectively connected with M columns of pixel units 101 via M columns of feedback signal lines and is used for detecting the variation of the electrical characteristics of a pixel matrix 100 so as to send a second display signal to the pixel matrix 100 and compensate each of the pixel units 101. According to the technical scheme of the invention, the addition of first display signals and second display signals in the pixel units is realized, so that accurate gamma correction of first display signals is realized at the same time. Meanwhile, the structure is simple. A first digital-to-analog conversion module and a second digital-to-analog conversion module are also low in the number of bits. On the condition that the addition mode of analog domains is conducted, an original high-voltage analog adder can be converted to a medium-voltage adder or a low-voltage adder.

The invention discloses an embedded type touch screen and a display device. A public electrode layer integrally connected in an array substrate is divided to form a plurality of touch drive sub-electrodes and a plurality of public sub-electrodes, the touch drive sub-electrodes and the public sub-electrodes are independent of each other and arrayed at intervals, the touch drive sub-electrodes are electrically connected through touch drive signal lines to form touch drive electrodes, and the public sub-electrodes are electrically connected through public electrode signal lines to form public electrodes; touch sensing electrodes are arranged on opposite substrates, the touch sensing electrodes and the touch drive electrodes are arranged in a cross mode, the touch drive electrodes are driven in a time-share mode, and therefore the touch function and the display function are achieved. Due to the fact that the touch drive electrodes in the touch screen are composed of the multiple touch drive sub-electrodes and the public electrodes are composed of the multiple public sub-electrodes, the signal transmission loads of the touch drive electrodes and the public electrodes are relatively close, the transmission speed of public signals in the public electrodes in the display stage and the transmission speed of public signals in the touch drive electrodes in the display stage are also relatively close, the problem that displayed images are not even can be solved, and image quality can be improved.

The invention provides a display apparatus and a pixel circuit thereof. The pixel circuit generates the threshold voltage information of a driving pipe by means of source following, the threshold voltage of the driving pipe and the reference voltage related to the gray scale information are generated at the two ends of a first capacitor through the voltage dividing of the first capacitor and a second capacitor, during the luminescence, the reference voltage maintains constant, the driving current through a luminescent device is irrelevant to the threshold voltage of a driving transistor and the luminescent device, and the threshold voltage deviation of the driving transistor and the luminescent device can be compensated, so that the nonuniform display problem of a display panel is solved. The display apparatus emits light line by line and overlaps scanned control signals to reduce the line programming time of the circuit, so that the demands for high-resolution and high-frame-frequency display panels can be met while the high precision is obtained. When the light is emitted by a concentrated way, the pixel circuit reduces the complexity and increases the luminescence time by means of grouped programming and grouped luminescence.

The invention discloses an embedded type touch screen and a display device. A public electrode layer integrally connected in an array substrate is divided to form a plurality of touch drive sub-electrodes and a plurality of public sub-electrodes, the touch drive sub-electrodes and the public sub-electrodes are insulated from each other and arrayed in a cross mode, each touch drive electrode comprises a plurality of touch drive sub-electrodes, each touch drive sub-electrode is located between two corresponding adjacent public electrodes; each public electrode comprises a plurality of public sub-electrodes; touch sensing electrodes are arranged on opposite substrates, the projection of each touch sensing electrode in the array substrate is located in an area where the public electrodes are located, the touch drive electrodes are driven in a time-share mode, and therefore the touch function and the display function are achieved. Due to the fact that the touch drive electrodes are composed of the multiple touch drive sub-electrodes and the public electrodes are composed of the multiple public sub-electrodes, the signal transmission loads of the touch drive electrodes and the public electrodes are relatively close, the transmission speed of public signals in the public electrodes in the display stage and the transmission speed of public signals in the touch drive electrodes in the display stage are also relatively close, the problem that displayed images are not even can be solved, and image quality can be improved.

The embodiment of the invention discloses an array substrate, a display panel, and a display device. The array substrate comprises a display area, a display signal line, a first connecting line, a second connecting line and a dummy connecting line arranged in the display area, and a driving circuit arranged in a non-display area. The display signal line and the second connecting line both extend in a second direction and are arranged in a first direction. The first connecting line extends in the first direction and is arranged in the second direction. The display signal line is electrically connected with the driving circuit through the first connecting line and the second connecting line. At least one of two ends of the second connecting line extends to the non-display area. The dummy connecting line is located in a same straight line with the first connecting line or the second connecting line. At least one of two ends of the dummy connecting line extends to the non-display area. According to the array substrate provided by the embodiment of the invention, the problem of non-uniform display caused by uneven wiring of the first connecting line or the second connecting line can beavoided, so as to improve the display effect.

The invention relates to a driving method and a driving device of a display panel. The display panel comprises a source driving circuit, a gate driving circuit, a plurality of gate signal lines electrically connected to the gate driving circuit, and the data lines electrically connected to the source driving circuit. The driving method comprises the following steps of: generating the first delay signals with time from short to long respectively corresponding to the data lines from a far to near connection distance with the source driving circuit. Then, generating the second delay signals withtime from short to long respectively corresponding to the data lines from a near to far horizontal distance with the gate driving circuit. Finally, the source driving circuit outputs driving signals to each data line according to the first delay signal and the second delay signal corresponding to each data line, so that each pixel point driven by different data lines on the same gate line has thesame charging time.

The invention provides a pixel circuit and a display device. The pixel circuit comprises a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first capacitor and a light emitting unit. The first end of the first capacitor is connected to a control electrode of the first transistor, and a second end is connected to a power supply voltage line via the second transistor. The third transistor is connected between the first capacitor and a reference level signal line, with a control electrode being connected to a scanning control signal line. The fifth transistor is connected between a data signal line and the first capacitor, with a control electrode being connected to the scanning control signal line. A grid electrode of the fourth transistor is connected to its own first electrode. The fourth transistor is connected between the third transistor and the first capacitor, or the fourth transistor is connected between the fifth transistor and the first capacitor. The invention can solve the problem of display unevenness which may be caused due to different threshold voltages of drive transistors on a display panel and IR-Drop on a VDD line.

The invention relates to the technical field of three-dimensional models, and concretely relates to a method for lightening a three-dimensional model. Through filtering, compression, coding and display acceleration of original model data, while geometric and structural relations and attribute information of products can be completely described, the volume of a model file is reduced, the drawing speed is increased, three-dimensional model simplification considering texture maintenance is realized, and based on comprehensive method research of a three-dimensional model and a scene based on computer vision, a model topological structure relation and spatial coding scene pyramid establishment are kept, so the purpose of quickly displaying and interacting a three-dimensional model by fully utilizing limited computing power, rendering power and storage space of mobile equipment is achieved, a user can conveniently obtain product information anytime and anywhere, meanwhile, better appearance attributes and model details are reserved, and good model display capabilities such as clear textures and obvious features are achieved.

The invention provides a driving circuit and a driving method of a display panel and a display device. The display panel comprises a first half screen and a second half screen, the driving circuit comprises a main time sequence control module, an auxiliary time sequence control module, a system-level chip and a delay compensation module, and the delay compensation module determines a voltage compensation value Vbc according to feedback signals of the main time sequence control module and the auxiliary time sequence control module. According to the voltage compensation value Vbc, the system-level chip enables the voltage value of the data signal output to the second half screen by the auxiliary time sequence control module to be increased by Vbc, so that the voltage values of the pixel units in the second half screen and the pixel units in the first half screen are consistent after the pixel units are charged by the same frame of data signal. According to the driving circuit provided by the invention, the pixel unit in the second half screen can be charged to the target voltage value by detecting the delay time value and increasing the voltage value of the data signal output by the auxiliary time sequence control module, so that the problem that the display of the left and right half screens of the display panel is not uniform is solved.

The invention provides a display panel and a display device. The display panel comprises a color film substrate and an array substrate; the color film substrate comprises a display area and a terminalarea; the terminal area comprises a first supporting column, the display area comprises a second supporting column, the upper end of the first supporting column and the upper end of the second supporting column are both arranged on the color film substrate, and the surface area of the lower end face of the first supporting column is not smaller than that of the lower end face of the second supporting column. When the upper substrate and the lower substrate of the display panel are stressed, the deformation quantity of the first supporting columns is small, and a sliding distance is small; after an external force is removed, the first supporting columns can rapidly recover to the initial state, the consistency of a box thickness of the terminal area of the display panel is still good, andthe display brightness of a display screen is uniform.

The embodiment of the invention provides a pixel driving circuit, a driving method and a display device, relates to the technical field of display, and is used for solving the problem of non-uniform display of the display device caused by IR voltage drop on a power line. The pixel driving circuit comprises a driving sub-circuit, a write-in sub-circuit, a light-emitting control sub-circuit and a compensation sub-circuit. The driving sub-circuit is configured to control a driving current flowing through a first end and a second end thereof. The write-in sub-circuit is configured to apply an initialization voltage to the first node and control the voltage of the first end of the drive sub-circuit to be a data voltage. The light emitting control sub-circuit is configured to apply a power supply voltage to the first end of the driving sub-circuit and conduct the first node and the control end of the driving sub-circuit. The compensation sub-circuit is configured to couple the voltage variation of the first end of the driving sub-circuit to the first node, so that the voltage of the first node is changed to the driving voltage.