408results about How to "Guaranteed display quality" patented technology

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 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.

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 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 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.

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 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.

The invention discloses a thin film transistor, an active element array base plate and a liquid crystal display panel, wherein the thin film transistor comprises a base plate, a gate, a gate insulating layer, a channel layer, a source electrode and a drain electrode, the gate and the gate insulating layer are arranged on the base plate, and the gate insulating layer is covered on the gate. The channel layer is arranged on the gate insulating layer which is arranged on the upper of the gate, and the source electrode and the drain electrode are respectively arranged on a part of the channel layer, which are arranged on the two sides of the gate. At least one of the gate, the source electrode and the drain electrode is equipped with a conductive interlayer which is equipped with a bottom conductive layer and a top conductive layer and is located between the bottom conductive layer and the top conductive layer, the materials of the bottom conductive layer and the top conductive layer are different, and substantially, the thickness of the bottom conductive layer is smaller or equal to 150 angstrom. An electrode with the above structure is capable of avoiding that the gate, the source electrode and the drain electrode produce an undercut phenomenon during processing, thereby corresponding thin film transistors are capable of normally operating to maintain the element characteristics and the normal operation of a pixel and further maintain the display quality of the corresponding liquid crystal display panel.

The invention provides a low-temperature polycrystalline silicon thin film transistor array substrate, a manufacturing method of the low-temperature polycrystalline silicon thin film transistor array substrate and a display device, and belongs to the field of the thin film transistor manufacturing technology. The low-temperature polycrystalline silicon thin film transistor array substrate comprises contact holes, wherein a source electrode and a drain electrode of the low-temperature polycrystalline silicon thin film transistor array substrate are connected with an active layer through the contact holes, and conductive patterns which are connected with the active layer are arranged at the bottoms of the contact holes. According to the technical scheme, good Ohmic contact can be formed between the source electrode of the low-temperature polycrystalline silicon thin film transistor array substrate and the active layer, and between the drain electrode of the low-temperature polycrystalline silicon thin film transistor array substrate and the active layer after etching of the contact holes is accomplished, and display quality of the display device is ensured.

The invention provides a display controller and a driving method of a liquid crystal display panel. The display controller is electrically connected with the liquid crystal display panel and comprises a data processor and a control signal generator. The driving method comprises the following steps: judging whether an image data signal is a first image data signal or a section image data signal; when the image data signal is the first image data signal, providing a first polar signal to the panel; and when the image data signal is the second image data signal, providing a second polar signal to the panel. According to the invention, the display quality can be ensured and consumed power can be reduced.