417results about How to "Guaranteed display quality" patented technology

The invention discloses a driving method of a liquid crystal panel. The driving method comprises the following steps: providing the liquid crystal panel, wherein the liquid crystal panel comprises a plurality of pixel units, and each pixel unit at least comprises blue sub-pixels; dividing the liquid crystal panel into a plurality of display units, wherein each display unit comprises a first pixel unit and a second pixel unit which are adjacent to each other; providing gray-scale values BH for the blue sub-pixels in the first pixel units for blue sub-pixel gray-scale values B needed by the display units, and providing gray-scale values BL for the blue sub-pixels in the second pixel units, wherein the gray-scale values BH and BL are combined, so that the brightness curve of the blue sub-pixels of the display units at an inclination angle tends to be a predetermined Gamma curve, and Gamma is equal to 1.8-2.4. The invention further discloses the liquid crystal panel driven by using the driving method.

The invention provides a processing circuit of a display screen, a display method and a display device and belongs to the display technology field. The processing circuit of the display screen comprises a sight line capture module, a control module and a display module, wherein the sight line capture module is used for carrying out eyeball tracking of human eyes and determining a watched area of a human eye sight line on the display screen and other areas except for the watched area; the control module is used for acquiring original image data of a frame to be displayed of the display screen, processing first original image data corresponding to the watched area and / or second original image data corresponding to the other areas in the original image data and outputting the first image data corresponding to the watched area and second image data corresponding to the other areas; and the display module is used for displaying according to the first image data and the second image data. In embodiments of the invention, display quality of the display frame can be guaranteed, and simultaneously power consumption of the display device is reduced so that a conflict between a high quality frame of the display device and low power consumption is avoided.

The present invention provides a virtual machine system and a method for sharing a graphics card amongst virtual machines. A VMM of the virtual machine system is provided with a resource-converting module, which converts data exchanged between a graphics card drive module of a GOS in the foreground and the graphics card based on a resource-converting table, and also intercepts accesses to the real graphics card by a GOS in the background and then responds to its operations on the graphics card. The VMM is further provided with a switching module, which alters a state of a VM based on a command for switching the VM, saves a graphics card state before the VM is switched to the background and restores the stored graphics card state to the graphics card when the VM is switched back to the foreground. Further, the GOSs each comprise a graphics card drive module corresponding to the real graphics card for accessing the real graphics card. The systems and the methods according to the present invention enable the GOSs to access the real graphics card, and also enable switching among a plurality of virtual machines.

The invention discloses a liquid-crystal panel and a drive method therefor. The method comprises the steps: providing the liquid-crystal panel, wherein the liquid-crystal panel comprises an M*N pixel unit matrix and each pixel unit sequentially consists of a red sub-pixel unit, a green sub-pixel unit, and a blue sub-pixel unit, thereby enabling the liquid-crystal panel to comprise an M*(3*N) sub-pixel unit matrix; performing dividing operation for the sub-pixel unit matrix; providing a higher-gray-scale-value BH for the first sub-pixel unit in the sub-pixel unit of each color; providing a lower-gray-scale-value BL for the second blue sub-pixel unit in the sub-pixel unit of each color; and enabling the brightness curve of the sub-pixel unit of each color at an inclined angle to approach a preset Gamma curve. According to the invention, the color bias, generated when a user watch the liquid crystal display from a side or at an inclined angle, can be reduced.

The invention provides a liquid crystal display panel, a discharging method thereof and a display device. The liquid crystal display panel comprises a plurality of pixel structures arranged in a matrix mode, discharging ends, a plurality of scanning lines and data lines. Each pixel structure comprises a switch unit and a pixel unit connected with each other, and each switch unit is used for starting and stopping the corresponding pixel unit. The liquid crystal display panel further comprises a discharging circuit connected with the scanning lines, the data lines and the discharging ends and is used for enabling the scanning lines to conduct discharging scanning and starting the switch units, so that residual charges on the pixel units are discharged to the discharging ends through the data lines. According to the liquid crystal display panel, the discharging circuit is arranged, the residual charges on the pixel units are discharged more thoroughly, and appearance of residual images in the display process of the liquid crystal display panel or after display of the liquid crystal display panel is finished is further avoided.

The invention discloses a driving method for a liquid crystal panel, and provides the liquid crystal panel. The liquid crystal panel comprises M*N pixel units, and each pixel unit comprises a blue sub-pixel. The liquid crystal panel is divided into a plurality of display units, and each display unit comprises two pixel units. The gray scale values B of blue sub-pixels needed by the display units are respectively divided into a higher-order gray scale value BH and a lower-order gray scale value BL, which are respectively provided for two pixel units. The combination of the higher-order gray scale values BH and the lower-order gray scale values BL enables the brightness curve of the blue sub-pixels of the display units at a squint angle to approach a preset Gamma (gamma) curve, wherein gamma is from 1.8 to 2.4. The invention also discloses the liquid crystal panel driven through the above method.

The embodiment of the invention discloses a grid driving circuit, an array substrate, a display device and a driving method. The grid driving circuit is used for solving the problem that a large amount of power is consumed when an existing grid driving circuit works. The grid driving circuit comprises at least one sub-circuit, wherein each sub-circuit comprises M shifting register units, and M is a positive integer which is equal to or lager than 3; in any sub-circuit, the shifting register units used for driving odd grid signal lines are connected in sequence, the output end of an upper-level shifting register unit in the shifting register units used for driving the odd grid signal lines is connected with the input end of a lower-level shifting register unit, the shifting register units used for driving even grid signal lines are connected in sequence, and the output end of an upper-level shifting register unit in the shifting register units used for driving the even grid signal lines is connected with the input end of a lower-level shifting register unit. The grid driving circuit, the array substrate, the display device and the driving method have the advantages that power consumption is reduced on the premise that display quality is guaranteed.

The invention provides an LED display screen module which is suitable for the technical field of display screens and aims at solving the problems of flatness, water-proof performance and effective heat dissipation of an LED display screen in the prior art. The LED display screen module comprises a base, a circuit board, an LED lightening unit and a power source module. The base comprises a body part and side walls which surround the periphery of the body part, wherein the body part and the side walls form a containing cavity used for containing the circuit board. The LED display screen module further comprises pouring sealant which is poured on the circuit board and filled into the containing cavity, and a sealing layer which is flush with the side walls of the base is formed after the pouring sealant is solidified. The invention further provides an LED display screen. The sealing glue layer is adopted in the LED display screen module to enable the circuit board to be sealed inside the containing cavity so as to enable the surface of the sealing glue layer to be flush with the side walls of the base, waterproof performance and flatness of the LED display screen module are guaranteed, and therefore display quality of the LED display screen is guaranteed to meet the quality standards.

An elastic member ( 3 b) is fixed to a space between a front surface of an intermediate frame ( 4 a) and a rear surface of a liquid crystal panel ( 2 ) constituting a liquid crystal display module ( 12 ), or a space between a rear surface of an upper frame ( 1 ) and the rear surface of the liquid crystal panel ( 2 ) constituting the liquid crystal display module ( 12 ). Alternatively, the elastic members ( 3 b) are fixed to both of the spaces. A peak portion ( 14 a) of the elastic member ( 3 b) is formed to possess a flexible structure. The liquid crystal display module is configured to hermetically seal the space between a back light ( 11 a) and the liquid crystal panel ( 2 ), the space between the upper frame ( 1 ) and the liquid crystal panel ( 2 ), or both of the spaces.

Disclosed herein is a display apparatus including a first substrate patterned to create pixel electrodes, a second substrate placed to face the first substrate and a liquid-crystal layer sandwiched by the first and second substrates wherein: one of the first and second substrates is patterned to create color filters each provided for one of a plurality of different colors as color filters each associated with one of the pixel electrodes each included in one of pixels each provided for one of the different colors; each of the pixels each provided for one of the different colors has a pixel area which varies from color to color; and the ratio of the electrode area of any particular one of the pixel electrodes to the pixel area of the pixel that includes the particular pixel electrode varies from color to color.

The invention discloses a method for automatically identifying and calibrating medical color and gray scale images. The method includes the steps of carrying out image graying and binarization, carrying out feature point detection, statistics and merging, determining ranges of the color images and the gray scale images, and calling different calibrating curves according to the color attributes of the images within the ranges. According to the method, in a display picture formed by the multiple color images and the multiple gray scale images, the displaying ranges of the color images and the gray scale images can be correctly divided, and different calibrating modes can be adopted for the different images within the ranges, so that on the premise that complex information is avoided, the displaying quality of the images is guaranteed, and the doctor diagnosis accuracy and the doctor diagnosis efficiency are improved.

The invention discloses an adaptive correction method for a color gray-scale image of a display. The adaptive correction method comprises the following steps of: detecting and counting color gray-scale characteristic points; determining a color gray-scale region; and adopting different correction methods according to different image attributes. The color and gray-scale contents in the image can be adaptively recognized, and different correction methods are adopted for different contents. According to the adaptive correction method, the display function of color and gray-scale images is integrated in a color display of high resolution, so that the image display quality is guaranteed, the space occupied by equipment is reduced, and inconvenience brought by complex signal switching and independent control is avoided.

The invention discloses a shifting register and a driving method thereof as well as a grid electrode driving circuit and a display device, relating to the field of display. A needed electrical level can be stably output and bad phenomena caused by the fact that the output is not stable when a clock signal is converted and an output signal is interfered are eliminated, so that the display quality is guaranteed. According to the shifting register, an input module is used for sending an input signal to an output module, a resetting module and a maintaining module according to an input signal and a first clock signal; the resetting module is connected with the input module and a signal output end and is used for resetting a signal output end according to the first clock signal, first and second electrical level signals and the input signal; the maintaining module is connected with the input module and the output module and is used for sending a maintaining signal to the output module according to the input signal, the second clock signal and the second electrical level signal; and the output module is connected with the input module, the maintaining module and the signal output end and is used for sending the output signal to the signal output end according to the input signal, the maintaining signal and the second clock signal.

The invention provides a processing circuit of a display screen, a display method and a display device, and belongs to the technical field of display. The display screen is divided into a plurality of display areas; the processing circuit comprises a plurality of display control units which correspond to the display areas; the processing circuit comprises a sight line capture module and a control module, wherein the sight line capture module is used for conducting eyeball tracking on human eyes so as to acquire a focusing area, on the display screen, of a sight line of the human eyes; the control module is used for determining a first display area which shares an overlapped area with the focusing area and a second display area out of the first display area, controlling the display control unit, which corresponds to the first display area, to output first image data and controlling the display control unit, which corresponds to the second display area, to output second image data, wherein the first image data is greater than the second image data in refresh rate. According to the technical scheme provided by the invention, the display quality of displayed pictures can be guaranteed, and meanwhile, power consumption of the display device can be reduced and conflict between the high-quality pictures of the display device and low power consumption can be solved.

The invention relates to the technical field of display, and discloses an array substrate, a production method thereof and a display device. The array substrate comprises a thin film transistor, and a source electrode and a drain electrode of the thin film transistor are located over an active layer pattern and electrically contacts with the active layer pattern through via holes in an insulation structure. Before the source electrode and the drain electrode are produced, the active layer pattern is subjected to ion implantation through the via holes in the insulation layer to form an ion implantation region, so that damage to the surface of the active layer pattern due to the etching process for forming the via holes can be repaired, electric metal-semiconductor contact performance of the source electrode and the drain electrode with the active layer pattern is improved, electrical properties of the thin film transistor are improved, and display quality of the display device is guaranteed.

The invention discloses a liquid crystal display panel, which comprises a thin-film transistor array substrate, a color filter substrate, a liquid crystal layer and a frame, wherein the color filter substrate comprises a light transmission substrate, a black matrix layer and a colored layer, the light transmission substrate is provided with a first area and a second area, and the black matrix layer and the colored layer are arranged in the first area; the liquid crystal layer is arranged between the thin-film transistor array substrate and the color filter substrate; and the frame is arranged between the thin-film transistor array substrate and the color filter substrate and corresponds to the second area. The invention also discloses a manufacturing method of the liquid crystal display panel. An ultraviolet light source is shielded by the black matrix layer and the colored layer, so that in the process by utilizing the ultraviolet light source to solidify a rubber frame, an ultraviolet mask can be omitted.

The invention discloses a video processing method and a video processing device. The video processing method and the video processing device are used for solving the problem that the data volume of the three-dimension video in the prior art is excessive. The method receives first video data with high frame rate and low resolution and second video data with low frame rate and high resolution. The resolution of the first video data is recovered according to the second video data with the high resolution to obtain the first video data with the high frame rate and the high resolution. The frame rate of the second video data is recovered according to the first video data with the high frame rate and the high resolution to obtain the second video data with the high frame rate and the high resolution. Sequential processing is performed based on the obtained first video data with the high frame rate and the high resolution and the obtained second video data with the high frame rate and the high resolution. With the method, the resolution of one path of the video data and the frame rate of the other path of the video data are reduced when the video is collected, and in addition, the two paths of the video data can be recovered to be with high frame and high resolution. Thus, displaying quality of the video is ensured and meanwhile, the data volume of the video is reduced.

A plasma display panel (PDP) includes M address electrodes, N scan electrodes and N common electrodes orthogonal to the M address electrodes. The present invention is to provide with a common driving circuit for providing the N scan electrodes with a driving voltage. During a discharge sustain period of the PDP, the discharge sustain pulses pass through only essential function means rather than unnecessary function means in the common driving circuit, and thereby unnecessary power consumption occurring in the common driving circuit can be avoided. Low power consumption in the common driving circuit can reduce the heat accumulation in the PDP to assure the display quality of the PDP and alleviate the design regarding heat sink for the PDP.

The invention discloses a liquid crystal panel driving method. The method comprises providing a liquid crystal panel, wherein the liquid crystal panel comprises a plurality of pixel units, and every pixel unit at least comprises green sub-pixels and blue sub-pixels; diving the liquid crystal panel into a plurality of display units, wherein every display unit comprises a first pixel unit and a second pixel unit which are adjacent to each other; for the gray-scale values B and G of the blue sub-pixels and the green sub-pixels which are required by the display unit, dividing the gray-scale values B and G into a combination of gray-scale values BH and BL and a combination of gray-scale values GH and GL, providing the two combinations to the corresponding first pixel unit and the corresponding second pixel unit respectively and enabling the brightness curve of the blue sub-pixels and the green sub-pixels of the display unit at a squint angle to be close to a preset Gamma curve, wherein Gamma is equal to 1.8-2.4. The invention also discloses the liquid crystal panel driven through the driving method.

An embodiment of the invention provides an image processing method and device based on mobile equipment. The method includes: determining a to-be-processed original image in the mobile equipment; compressing the original image to obtain the corresponding compressed image, wherein the quality parameter of the compressed image conforms to a preset condition that display is unaffected; deleting the original image from the mobile equipment, and saving the compressed image corresponding to the original image at a corresponding position. By the method, the size of the image can be reduced while the display quality of the compressed image is guaranteed, and the storage space of the mobile equipment can be saved.

The invention relates to a detection circuit, a liquid crystal display panel and a manufacturing method of the liquid crystal display panel. The detection circuit comprises a control switch unit which is arranged between a test signal input end and liquid crystal display panel signal lines and comprises a first switch transistor and a second switch transistor. In the period of detection, the first switch transistor and the second switch transistor are kept on, and a test signal is enabled to enter the liquid crystal display panel signal lines; after detection, the second switch transistor is kept off, the control end of the first switch transistor is in short-circuit connection with the first end, and accordingly leakage current flowing into the liquid crystal display panel signal lines from the second switch transistor is reduced. By the liquid crystal display panel with the detection circuit, risk of electric leakage between the signal lines in the panel is lowered effectively under the condition that operation is unaffected, and image display quality is ensured.

A display module is provided. The display module includes a frame, a light guide plate, a light source device, a display panel and an optical film. The light guide plate is accommodated within the frame. The light guide plate has a recess. The light source device is disposed between the frame and the light guide plate. The display panel is disposed on the recess and attached to the light guide plate to seal the recess. The optical film is located within the recess. A handheld electronic device having said display module is also provided.

The invention belongs to the technical field of display and particularly relates to an OLED (Organic Light Emitting Diode) pixel structure and a display device. The OLED pixel structure comprises a plurality of grid lines and data lines for providing drive to OLED pixel units; the OLED pixel units are arranged in a matrix form and are scanned per L rows each time; every L rows of OLED pixel units which are simultaneously scanned are arranged as a pixel block, wherein L is greater than or equal to 3. The OLED pixel structure can be used for effectively improving the problem that a memory capacitor Cs is undercharged, meanwhile correspondingly improving the RC time delay problem of the data lines. thus correspondingly improving the display uniformity of the display device and ensuring the display quality of the display device, and is especially applicable to large-size OLED display devices with ultra-high resolution.

The invention discloses a transparent displayer comprising a backlight module, an array substrate, a liquid crystal layer and a color film substrate which are sequentially stacked in an image display direction. The color film substrate comprises a plurality of adjacent pixel areas, each pixel area comprises a display area and a transparent area, each display area comprises a red sub-pixel area, a green sub-pixel area and a blue sub-pixel area, each transparent area comprises a white sub-pixel area, the array substrate is provided with a plurality of thin film transistors which are distributed in an array mode, and the thin film transistors are in one-to-one correspondence with the red sub-pixel areas, the green sub-pixel areas, the blue sub-pixel areas and the white sub-pixel areas of the color film substrate. The energy consumption of the transparent displayer is low when a screen image is displayed.

The invention provides a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises a first substrate and a second substrate which are arranged in opposite directions and a liquid crystal layer clamped between the first substrate and the second substrate, a heating electrode is arranged on the side, facing the liquid crystal layer, of the first substrate, that is to say, the heating electrode is arranged in the liquid crystal display panel, heat generated by the heating electrode can directly act on liquid crystal molecules in the liquid crystal layer, and then the purpose that the liquid crystal display panel can be started rapidly in the low temperature environment is achieved; the response speed of the liquid crystal molecules in the liquid crystal layer in the low temperature environment can be increased, the display quality of the liquid crystal display device is guaranteed, and the problem that the response speed of the liquid crystal display device working in the low temperature environment is too slow is solved.

The invention discloses an embedded video compression coding system with an image enhancement function. A video enhancement module of the system optimizes videos in the aspects of color, hierarchy, definition and the like to ensure high-definition television display quality. The system comprises an analogue video signal input interface and an embedded digital signal processor (DSP) compression coding system. The DSP compression coding system comprises a video analysis system, a video enhancement system and a video compression coding system, wherein the video analysis system comprises a scene detection module and a color detection module; the video enhancement system comprises a luminance enhancement module, a color enhancement module and a parameter adaptation module; and the video compression coding system comprises a dynamic code rate regulation module and a video compression module. The embedded video compression coding system is implemented by DSP chip programming, realizes the smooth playing of high-definition television programs by improving a compression algorithm, lays a solid foundation for the future provision of more and better application, and is consistent with the development trend of intelligent home.

The invention provides a thin film transistor array substrate. The thin film transistor array substrate comprises a substrate body, a plurality of thin film transistors and a plurality of opening areas, wherein the thin film transistors are formed on the substrate body and arrayed in a grid mode. The thin film transistor array substrate further comprises a first insulating protective layer, a color film layer, pixel electrodes, a common electrode, a second insulating protective layer, a via hole, an insulating layer and a black matrix, the first insulating protective layer is formed on the thin film transistors and the opening areas, each thin film transistor comprises a grid electrode and a drain electrode, the pixel electrodes are connected with the drain electrodes through the via hole, and the black matrix is located on the insulating layer or the pixel electrodes and the insulating layer and used for shielding the thin film transistors and the via hole. The invention further provides a display device and a manufacturing method of the thin film transistor array substrate.

The invention discloses a display panel and a display device. The display panel comprises a hollow part, a first non-display area, a display area and a second non-display area; the first non-display are is arranged around the hollow part, the display area is arranged around the first non-display area, and the second non-display area is arranged around the display area; the first non-display area comprises a conducting part and a crack detection line, the conducting part and the crack detection device are arranged at different layers, and vertical to a direction of a plane located by the display panel; the positive projection of the conducting part and the positive projection of the crack detection line are at least partially overlapped; the display area comprises at least one first conductor; and one end of the first conductor is electrically connected with the crack detection line. Compared with the prior art, the crack detection efficiency can be effectively improved, the signal linearrangement is simplified, and the display quality is ensured.

The embodiment of the invention provides a display device and a display method thereof, and relates to the technical field of the display. The images with different resolutions can be displayed at different regions so as to reduce the power consumption of the display device. The display method of the display device comprises the following steps: performing image processing on a to-be-displayed first image to obtain a second image, wherein the pixel distribution of a first sub-image in the second image is the same as the pixel distribution of a first region of the display device, the pixel number contained in a second sub-image except the first sub-image in the second image is less than the pixel number contained in a second region of the display device, and the second region is the region except the first region; displaying the first sub-image at the first region, and displaying the second sub-image at the second region.