105results about How to "Reduce display power consumption" patented technology

The present invention provides an AMOLED display device and a driving method thereof. The OLED panel of the AMOLED display device of the present invention has a plurality of sub pixels. Each row of sub pixels is correspondingly and electrically connected to an OVSS routing, and at least one sub pixel in a substrate center area is a detection sub pixel. In driving, a detection module is used to obtain a maximum value of power negative voltage inputted into the detection sub pixel, a communication module receives a highest gray level value or highest data signal voltage in a picture which needsto be displayed, a control module searches in a look-up table stored in a memory module to obtain corresponding minimum power positive voltage according to the highest gray level value or highest datasignal voltage in the picture which needs to be displayed and the maximum value of the power negative voltage inputted into the detection sub pixel and generates a corresponding control signal to control a voltage output module to output corresponding power positive voltage to the OLED panel. The display power consumption of the AMOLED display device can be reduced, and the display quality of theAMOLED display device is improved at the same time.

The invention discloses an image display method and a liquid crystal display. Before a to-be-displayed frame of image is displayed, in a condition in which polarity for each row of data does not need to be reversed when the to-be-displayed frame of image is displayed, data corresponding to each row in the to-be-displayed frame of image is compared with data of a corresponding row in a former frame of image; and in the to-be-displayed frame of image, rows whose data are different from corresponding rows in the former frame of already-displayed image serve as change rows, and the change rows only need to be refreshed. Thus, as long as two frames of images with kept polarity have rows of the same data, when the latter frame of image in the adjacent two frames of images is displayed, the same row does not need to be refreshed, power consumption for image refreshing can be effectively reduced, and the image display power consumption can be effectively reduced.

The invention discloses a method and a system for automatically adjusting the resolution of a display screen as well as a mobile terminal. The method comprises the following steps: acquiring the resolution of current contents to be displayed; finding out an LCD configuration resolution which is closest to the resolution of the contents to be displayed and is higher than the resolution of the contents needing to be displayed, and taking the LCD configuration resolution as the current display resolution; configuring an LCD into the current display resolution, and sending content image data to be displayed to the LCD for displaying. According to the method and the system as well as the mobile terminal which are disclosed by the invention, the resolution of a display screen can be automatically adjusted according to displayed contents, so that the display screen is configured into low resolution when a low-resolution image needs to be displayed, the data transmission amount between a central processor and the display screen and the display power consumption of the display screen are reduced, and the aim of reducing the workload of the display screen and the central processor is fulfilled.

The invention discloses a display screen control device and a laptop panel. The display screen control device comprises a display screen, a backlight driver, a processor and a time sequence controller, wherein the display screen is used for displaying electronic data, the display screen is divided into a plurality of display regions, and each display region is illuminated by a corresponding backlight source; the backlight driver is connected with the backlight source of each display region, and is used for driving the backlight sources to emit light; the processor is configured to process theelectronic data based on a preset algorithm, and obtain at least one backlight control parameter used for controlling the backlight sources corresponding to the plurality of display regions to emit light; and the time sequence controller is connected between the processor and the backlight driver, and is used for receiving the at least one backlight control parameter from the processor and transmitting the at least one backlight control parameter to the backlight driver. The display screen control device solves the technical problems of poor display effect and high power consumption because aglobal backlight control method is adopted in the prior art for controlling the display screen to display.

The embodiment of the invention discloses a display method and devices thereof. The display method comprises: when a video layer needs a video image to be scaled, whether a predetermined strategy is satisfied is judged, when the predetermined strategy is satisfied, an offline mode is adopted; when the predetermined strategy is not satisfied, an online mode is adopted; a video frame image is processed according to the online mode or the offline mode, the processed video image is output, the online mode means that when the video frame image is zoomed, the real time zooming is carried out, and the offline mode means that when the video frame image is zoomed, the asynchronous processing is adopted. The display method and the device provided by the embodiment of the invention realize the arbitrary proportional zoom of the original video image by selecting the online mode or offline mode and optimize the display power consumption.

An embodiment of the present invention provides a gate driving circuit, a driving method thereof and a display device and relates to the technical field of the display, and the conversion of multiplepixel resolutions can be achieved. The gate driving circuit includes N cascaded shift register units. A driving group is formed by every S shift register units cascaded in turn. Each shift register unit includes a control subunit and at least two buffer subunits. The clock signal ends of any two buffer subunits in the same driving group are connected to different system clock signal ends. The clock signal ends of the control subunit and the buffer subunits in the same shift register unit are connected to different system clock signal ends.

An embodiment of the present invention discloses a display method and a piece of electronic equipment. The method comprises the following steps: after a picture content to be displayed is received, whether the picture content includes text content is judged; if the picture content includes text content is determined, a first display area of an electronic ink display screen of the electronic equipment is driven to display the text content, and a second display area of a transparent display screen of the electronic equipment is driven to display other contents of the screen content except the text content, the first display area and the second display area do not intersect; if the screen content does not include text content, the transparent display screen is driven to display the screen content. The embodiments of the present invention are favorable for displaying the content of the screen in combination with the display characteristics of a plurality of display screens configured by the electronic device, thereby reducing the display power consumption of the electronic device.

The invention provides an image display drive method, and the method comprises the following steps: inputting an image; obtaining a brightness component; calculating the mean brightness and the maximum brightness; constructing a segmented linear model; and updating a brightness component. The segmented linear model proposed by the invention just need to perform the linear calculation without the square calculation, thereby reducing the hardware implementation complexity while improving the performances. A mean value of brightness is selected as a segmentation point of low-power-consumption processing, wherein the image details less than the value remain unchanged and the low-power-consumption processing of the remaining parts is performed according to the segmented linear model, thereby reducing the display power consumption while maintaining the visual effect. The display power consumption for processing the obtained image is the minimum under the condition that the visual effect remains unchanged, and the visual effect, compared with NPC and ACSC, is improved by 32.3% and 28.7%.

The invention relates to an LCM (Liquid Crystal Display Module) display system based on environment illumination intensity and an LCM display method realized by the utilization of the LCM display system arranged on mobile terminal equipment. The method comprises the following steps: S1, acquiring and processing the environment illumination intensity under which the mobile terminal equipment is positioned; S2, judging whether the acquired environment illumination intensity is larger than an illumination intensity threshold value or not; if yes, outputting a black and white grayscale display instruction and implementing S3; if not, outputting a color display instruction and implementing S4; S3, carrying out image display by the utilization of black and white grayscale display data and by the adoption of a black and white grayscale display mode; S4, carrying out image display by the utilization of color display data and by the adoption of a color display mode. The LCM display system and the LCM display method have the benefits that according to different external environment illumination intensities, the black and white grayscale display mode or the color display mode can be automatically selected for image display, the display capacity under strong light is effectively improved, and the display power consumption is reduced.

The invention provides a displaying method and device. The displaying method comprises the following steps: detecting the battery capacity of a mobile terminal; identifying the current state of the mobile terminal when the battery capacity is lower than a preset capacity threshold; adjusting a color of a display interface of an application program if identifying that the current state of the mobile terminal is the display state of the application program and the type of the application program is the type of the application program capable of adjusting the interface color, thereby enabling theadjusted display interface color to satisfy a power-saving condition; the display power consumption is reduced, the battery capacity is saved, and the cruise duration of the mobile terminal is prolonged.

A TFT array substrate is disclosed. The substrate includes a TFT having a gate insulation layer, and an active layer partly thereon. The TFT also has a first part of an etch barrier layer on the active layer, and a source and drain on the first part of the etch barrier layer. The substrate also includes a capacitance having a first electrode plate, a second part of the gate insulation layer on the first electrode plate, a second part of the etch barrier layer on the second part of the gate insulation layer, and a second electrode plate on the second part of the etch barrier layer. The second part of the etch barrier layer has a thickness less than the first part of the etch barrier layer, and / or there is no etch barrier layer between the second part of the gate insulation layer and the second electrode plate.

The invention provides a display method for a flexible display screen and a flexible display device, and belongs to the technical field of flexible display. By the adoption of the display method for the flexible display screen and the flexible display device, the problem is solved that energy consumption is wasted due to the situation that by the adoption of current flexible display screens, areas that users cannot see are displayed. The display method includes the steps that when a partial area of the flexible display screen is deformed, a transition area of the flexible display screen and an inactive area of the flexible display screen are determined, wherein the area where the flexible display is deformed is a deformation area, the inactive area is the area that users cannot see in the deformation area, and a transition area is the area other than the inactive area in the deformation area; the display brightness of the inactive area is reduced relative to the original brightness.

The invention relates to a display control method and device. The method comprises the steps of: determining a first backlight parameter of an Nth frame image, the first backlight parameter being usedfor adjusting the backlight brightness of a display device, adjusting a pixel value of a pixel in the Nth frame image according to the first backlight parameter to obtain an adjusted Nth frame image,and adjusting the backlight brightness of the display device according to the first backlight parameter, and displaying the adjusted Nth frame image by using the display device. According to the embodiment of the invention, the pixel value of the image is correspondingly adjusted while the backlight brightness of the display device is adjusted, so that the displayed image meets the requirement ofdefinition, and the user experience is improved.

The invention provides a display panel display control method, device and circuit, which are used for reducing display power consumption of a display panel under the precondition of guaranteeing the quality of image information. The display panel display control method comprises the following steps: when the display panel is in a play mode, storing image information received from a signal source into a first storage space, reading the image information in the first storage space and sending the image information to the display panel for carrying out image display; when the display panel is in a pause mode, storing the image information received from the signal source into a second storage space; and when the display panel is switched from the pause mode to the continuous play mode, reading the image information in the second storage space and sending the image information to the display panel for carrying out image display.

The invention discloses an aviation timing method and an aviation timing system for providing dual time display and UTC (Universal Time Coordinated) timing and sending. A clock system used comprises a microcontroller (110), a button module (120), a clock module (140) and a communication module (150). The clock module (140) comprises a crystal oscillating unit (143) and a read-write MAN (Metropolitan Area Network) clock unit (141) for recording local time and a read-write UTC clock unit (142) for recording coordinated universal time, wherein the read-write MAN clock unit (141) and the read-write UTC clock unit (142) are respectively connected with the crystal oscillating unit (143). The method comprises the steps of: 1) carrying out initial setup of the system; 2) receiving a UTC data signal; 3) writing the UTC data to the clock module (140); 4) reading time and date data from the clock module (140); and 5) switching to display dual time and dual date. With the application of the technical scheme provided by the invention, display, timing and sending of double-timing and dual time can be realized.

Embodiments of the invention disclose an information processing method and an electronic device. The information processing method is applied to the electronic device. The electronic device is provided with a display unit. The method comprises: detecting a display mode of the display unit; when it is determined that the display unit is in the first display mode, detecting whether the electronic device meets a preset condition or not, and obtaining a first detection result; and when the first detection result is that the electronic device meets the preset condition, switching the display unit to be in a second display mode, wherein the power consumption of the display unit in the second display mode is lower than that of the display unit in the first display mode.

The embodiment of the invention provides a control method and device which are applied to an electronic device. The electronic device comprises a display module and a projection module. Output contents can be displayed through the display module of the electronic device or can be projected to a projection screen through the projection module of the electronic device. The control method includes the steps of detecting the state of the projection module; when it is detected that the electronic device controls the projection module to conduct projection, obtaining first display luminance of the display module at present; controlling the display module to be switched from the first display luminance to second display luminance, wherein the second display luminance is lower than the first display luminance. By means of the control method and device, power consumption of the electronic device during projection is reduced.

The invention provides a low-power consumption image display driving method based on histogram correction, which comprises the following steps of: inputting an image; obtaining the R, G, B primary color channel histogram in the image, correcting the histogram to get the corrected histogram, matching the histogram of the original image with the corrected histogram, and outputting the matched histogram. The invention not only realizes the power consumption limitation, but also maintains the visual effect. Unlike the traditional algorithm which eliminates all highlight pixels, a low power consumption histogram correction method is proposed in that method, the power consumption is limited by reducing the number of highlight pixels, at the same time, the visual effect is improved by reserving part of highlight pixels, and the histogram matching method is applied to the power consumption limitation of an image for the first time, so that the excellent processing effect is realized; the histogram of the input image is adjusted to a modified histogram shape by histogram matching, which realizes the image processing with low power consumption.

The invention discloses a voltage adjusting method and electronic equipment. The method comprises the steps of obtaining a target brightness value currently displayed by a display pixel; determining avoltage added value according to the target brightness value; and adjusting the initial cathode voltage of the OLED device corresponding to the display pixel according to the voltage added value, andafter the voltage is adjusted, enabling the variation between the brightness value of the display pixel and the target brightness value to be within a preset range. The method can be applied to the electronic equipment, and the display quality of the display screen can be improved on the premise of reducing the power consumption of the display screen.

The embodiment of the invention provides a screen control method of a display device, a screen control device of the display device and the display device, and relates to the technical field of a flexible display device. The problems of high display power consumption and poor user experience of a flexible screen of the existing display device can be solved. The method comprises the following stepsthat when the flexible screen is pulled out from a roll or is collected into the roll, three detection light blocks positioned in a roll outlet position on the flexible screen are illuminated; the three detection light blocks are distributed in the pulling-out direction of the flexible screen; the brightness is sequentially enhanced or sequentially weakened; the position of the detection light block positioned in the middle is right aligned with the position of a photoelectric sensor; when the photoelectric sensor detects that the light intensity increases or decreases, the positions of the three detection light blocks are updated, so that the position of the detection light block positioned in the middle is right aligned with the position of the photoelectric sensor; and the part positioned at one side, far away from the detection light block with the highest brightness, of the detection light block with the weakest brightness on the flexible screen is controlled to be illuminated, and other parts of the flexible screen are controlled to be turned off. The invention is used for a flexible display device.

The invention discloses an electrochromic intelligent display curtain wall. The electrochromic intelligent display curtain wall is characterized in that a reflecting layer is arranged on the electrochromic intelligent display curtain wall, external light penetrating an electrochromic layer is reflected outwardly by the reflecting layer, curtain wall light emitting is achieved, and pattern change and information display on the curtain wall are achieved by regulating the light transmittance of the curtain wall. The design-optimized electrochromic intelligent display curtain wall has the advantages that the structural design of the curtain wall is optimized and reasonable, vertical-face pattern and information display of the building curtain wall are achieved by reflecting sunlight or other environment light, the weak-current-controlled electrochromic layer is used to replace a strong-current-supply light source, and energy consumption is lowered greatly. The invention further provides an electrochromic intelligent display system for a mansion. The electrochromic intelligent display system comprises the electrochromic intelligent display curtain wall, and display performance of the outer wall of the mansion can be achieved by unit modularized control.

The invention discloses a civil aviation airborne cockpit clock. The civil aviation airborne cockpit clock comprises a control assembly (100), a display assembly (200) and a power supply assembly (300), wherein the power supply assembly (300) is used for supplying needed voltage for the control assembly (100) and the display assembly (200), the display assembly (200) is an LCD (Liquid Crystal Display) which is provided with a backlight module, and the control assembly (100) comprises a microcontroller (110), a key module (120), a backlight regulating module (130), a clock module (140), a communication module (150), a display driving module (160) and a backlight control module (170). According to the civil aviation airborne cockpit clock disclosed by the invention, the local time and the UTC (Universal Time Coordinated) time can be switched, the civil aviation airborne cockpit clock can be in communication with an airplane control system and other airborne devices, the self-calibration can be carried out, the brightness of a display screen can be regulated, the endurance timing and the stopwatch timing can be carried out, the display power consumption is less, the timing accuracy is high, and the quick identification is easy.

The invention provides a reflective liquid crystal display panel comprising a TFT array base plate and an opposite base plate arranged oppositely; the TFT array base plate comprises a first substrate,a TFT array layer, a passivation layer and a pixel electrode layer sequentially arranged along a direction close to the opposite base plate; the opposite base plate comprises a second substrate and areflective common electrode layer sequentially arranged along a direction close to the TFT array base plate; the opposite base plate is provided with a colored filter layer arranged on one side, close to the TFT array base plate, of the common electrode layer, or the TFT array base plate is provided with a colored filter layer between the passivation layer and the pixel electrode layer, so that when the reflective liquid crystal display panel is working, the ambient light enters from one side of the TFT array base plate and exits from one side of the TFT array base plate for displaying afterbeing reflected by the reflective common electrode, the backlight source does not need to be arranged, and the display power consumption and the product cost are relatively low.

The application provides an array substrate and production method thereof, a driving method, a display panel and a display device in order to reduce displaying power consumption; two thin-film transistors are arranged on a pixel unit to control charging for pixel electrodes and common electrodes, so that separate voltage adjustment is achieved for the pixel electrodes and the common electrodes; when a voltage difference between the pixel electrodes and the common electrodes is about to reach -4 to +4 V, their voltage adjusting ranges can be -2 to 2 V, namely driving voltage ranges of first andsecond signal lines can be -2 to 2 V. Compared with the prior art where driving voltage of data lines is 0-5 V, the array substrate and the production method thereof, the driving method, the displaypanel and the display device have the advantages that driving voltages on the first and second signal lines are greatly decreased and displaying energy consumption is further reduced.

The invention provides a driving method, a driving system and a display device for an LCD panel. The driving method comprises the steps that the data signals of a first frame are saved, whether the data signals of the current input frame of the LCD panel are the data signals of the first frame are judged, the LCD panel adopts a first electric field inversion mode if the data signals of the current input frame of the LCD panel are the data signals of the first frame, and otherwise the LCD panel adopts a second electric field inversion mode, wherein the power consumption of displaying of the first frame by adopting the first electric field inversion mode is smaller than the power consumption of displaying of the first frame by adopting the second electric field inversion mode. Through the adoption of the driving method and the driving system, the input frame can be displayed by adopting an electric field inversion mode of lower power consumption, and the display power consumption of the LCD panel can be lowered to the minimum while the frame display quality is guaranteed.

Disclosed is a display method of a multi-primary color graphene display device. The method includes the steps of: dividing a pixel color gamut into color patches; determining a color patch to which a pixel chromaticity coordinate belongs; displaying through three dynamic sub-pixels according to the color patch to which the pixel chromaticity coordinate belongs; and determining output brightness of the dynamic sub-pixels by coordinates of a white point, coordinates of the dynamic sub-pixels, an output brightness value when gray level 255 in red is input, an output brightness value when gray level 255 in green is input, and an output brightness value when gray level 255 in blue is input respectively. When input gray level values of RGB three pixels are approximately the same, output brightness and white chromaticity are basically close to the same, guaranteeing the consistency of the chromaticity coordinates of the white point.

A panel with a sensing structure includes a photoresist adhesion layer with a first surface and a second surface opposite to the first surface; a first conductive layer with a plurality of first conductive patterns disposed on the first surface along a first direction in sequence; and a second conductive layer with a plurality of second conductive patterns disposed on the second surface along a second direction in sequence.

The invention relates to the field of liquid crystal display and discloses an array substrate, a preparation method thereof and a liquid crystal panel. The array substrate comprises a substrate body (1) and multiple pixel units (2) formed on the substrate body (1) in array distribution, and each pixel unit comprises a thin film transistor switch (20) which comprises a grid electrode (200) formed on the substrate body (1). The array substrate can reflect back light going through the grid electrodes, so that utilization efficiency of a backlight source is improved. A mask is used for few times in the preparation method, so that the preparation method is convenient to operate, and production cost is lowered. By applying the array substrate or the array substrate prepared by the preparation method in the liquid crystal panel, the utilization efficiency of the backlight source can be improved, and display power consumption of the liquid crystal panel is lowered.

The embodiment of the invention discloses a display device and a control method thereof. The display device of the embodiment of the present invention includes a first processor for processing video frame content, a monitoring device for monitoring video frame content updates and controlling a second processor group, and a second processor group including a plurality of different second processors. Controlling the second processor group to a refresh operation state if a change in the content of the video frame is detected; if it is detected the the content of the video frame has not changed, the second processor group is controlled not to refresh the operating state. The embodiment of the invention controls the second processor group to be different working states by monitoring whether thevideo frame content is changed, thereby effectively reducing the calling times of the second processor and achieving the purpose of reducing the display power consumption.

The embodiment of the invention discloses a display device and a driving method thereof and electronic equipment. The display device comprises a display panel and a backlight module; the display panelcomprises a display function region; the display function region comprises a plurality of pixels; the backlight module comprises a plurality of backlight units; one backlight unit is arranged corresponding to at least one pixel; and the driving method comprises the steps of: according to a to-be-display image of the display panel, acquiring input parameters Ri, Gi and Bi of each pixel in the display panel; and according to a power consumption saving gear n of the display panel and the input parameters of each pixel, determining an amplification coefficient alpha=function (min, max, n) of eachpixel in the display panel so as to regulate output parameters of the pixels, and regulating backlight brightness of the backlight units corresponding to the pixels, wherein min=min (Ri, Gi, Bi), andmax=max (Ri, Gi, Bi). According to the embodiment of the invention, display power consumption can be reduced.