Abstract:
A device and method for adjusting backlight brightness employed in a display. The device has a buffer, a counter, and a comparator. The buffer receives and stores an image data of a frame. The counter receives the image data and obtains an image-loading value of the image data. The comparator is coupled to the counter and compares the image-loading value with a preset image-loading value. The comparator outputs a control signal indicating the comparison result to a backlight module to adjust the brightness of the backlight module.
Abstract:
A plasma display driving system. The system includes a controlling circuit, a scan driver, and a data driver. The controlling circuit outputs a first scan driving pulse and a second scan driving pulse, and a third scan driving pulse during addressing period. The frequency of the first scan driving pulse is higher than the second scan driving pulse, and the frequency of the second scan driving pulse is higher than the third scan driving pulse. The scan driver drives the first scanning electrodes, the second scanning electrodes, and the third scanning electrodes according to the first scan driving pulse, the second scan driving pulse, and the third scan driving pulse respectively. The data driver drives the first data electrodes, the second data electrodes, and the third data electrodes responding to the first scanning electrodes, the second scanning electrodes and the third scanning electrodes when the scanning electrodes are driven.
Abstract:
A method for driving a plasma display is provided. The method includes the steps of (a) executing a reset discharge for all cells of the odd-numbered scanning line of the plasma display, (b) executing an addressing discharge for all cells of the odd-numbered scanning line, (c) executing a sustaining discharge for all cells of the odd-numbered scanning line, (d) executing a reset discharge for all cells of the even-numbered scanning line of the plasma display, (e) executing an addressing discharge for all cells of the even-numbered scanning line, and (f) executing a sustaining discharge for all cells of the even-numbered scanning line of the plasma display. The method is used to reduce the abrupt change of image brightness and the dynamic false contour of the image, and further improve the quality of the moving pictures.
Abstract:
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.
Abstract:
A liquid crystal backlight device and a method for controlling the same are applied to a liquid crystal display apparatus, in which a backlight module is disposed behind a liquid crystal panel to illuminate the panel. The backlight device produces stable illumination to solve the hold type problem due to the hold-type effect of liquid crystal occurred in the prior art. The control method is used to acquire a stable display time from the liquid crystal characteristics and then process the scan signal to match the display data. Controls of the backlight activation signal, including on/off, time delay, and duty cycle adjustment, are then performed to generate a pulse-width modulated signal and a brightness modulated signal so as to produce stable backlight illumination effect. A better display effect can therefore be accomplished.
Abstract:
A parallax barrier device includes: a first substrate; a first patterned transparent electrode layer disposed on the first substrate; a first patterned electrochromic material layer disposed on the first patterned transparent electrode layer and including a plurality of electrochromic structures, in which lengths, widths or diameters of the electrochromic structures are 50 nm to 500 nm, and included angles of the electrochromic structures and a surface of the first substrate to be deposited are 30° to 89°; a second substrate; a second patterned transparent electrode layer disposed on the second substrate; a second patterned electrochromic material layer disposed on the second patterned transparent electrode layer; and an electrolyte disposed between the first patterned electrochromic material layer and the second patterned electrochromic material layer.
Abstract:
A driving method for driving an LCD is provided. The LCD panel includes a plurality of scan lines, a plurality of data lines and a plurality of pixel units. The two neighboring pixel units electrically connected to the same scan line are located on two sides of the scan line respectively. The scan lines are sequentially divided into a plurality of groups. The driving method includes the following. The odd-numbered groups of scan lines are sequentially turned on and a signal with first polarity is input to the pixel units controlled by the odd-numbered groups of scan lines through the data lines. The even-numbered groups of scan lines are sequentially turned on and a signal with second polarity is input to the pixel units controlled by the even-numbered groups of scan lines through the data lines. The signal with first polarity and the signal with second polarity have opposite polarities.
Abstract:
An electroluminescence display and a manufacturing method therefore are disclosed in the present invention. The present invention combines an electroluminescence component and a passive component into a single display component for a display screen. The present invention has a simple manufacturing process, and decreases power consumption and the total size of a display screen.
Abstract:
A device and method for adjusting backlight brightness employed in a display. The device has a buffer, a counter, and a comparator. The buffer receives and stores an image data of a frame. The counter receives the image data and obtains an image-loading value of the image data. The comparator is coupled to the counter and compares the image-loading value with a preset image-loading value. The comparator outputs a control signal indicating the comparison result to a backlight module to adjust the brightness of the backlight module.
Abstract:
An ultra-thin flexible electronic device 1 of the invention, comprises: a flexible printed circuit board (FPC) 2, having a circuit layout 13 arranged thereon; an input element 3, electrical-connected to the FPC for setting up a data; a display 4, electrical-connected to the FPC 2 for displaying the data; a power supply 5, connected to the FPC 2 for providing electricity to the FPC 2, the input element 3 and the display 4 through the circuit layout 13; a thin substrate 61, being disposed to lay over the FPC 2 and the power supply 5; and a polymer film 7; wherein the FPC 2, the input element 3, the display 4, the power supply 5 and the thin substrate 61 are all flexible.