Abstract:
The present invention discloses a gate driving method of a pixel transistor and a gate drive circuit, as well as a display device including the gate drive circuit, which falls within the field of display technology. The method comprises the steps of: a gate drive circuit outputting a preset first voltage to a gate driving line of a pixel row prior to a transistor turn-on time of the pixel row, wherein the first voltage is greater than a transistor turn-off voltage; and the gate drive circuit outputting a transistor turn-on voltage to the gate driving line of the pixel row when it reaches the transistor turn-on time. Use of the present invention can improve the accuracy of pixel display.
Abstract:
The present disclosure provides a display apparatus and a display system. The display apparatus comprises a transparent display layer, a light source layer and a signal controller. The transparent display layer is arranged on a surface of a light exit side of the light source layer; and the signal controller is configured to control operation states of the transparent display layer and the light source layer to realize switching between different modes.
Abstract:
The present disclosure provides a driving signal generating circuit, a driving signal generating method and a 3D display device. The driving signal generating circuit includes a voltage conversion unit, an output unit and a control unit. The voltage conversion unit is configured to convert an external input voltage into a plurality of polarization voltages for driving a polarization control panel in an active polarization 3D display device, and transmit the plurality of polarization voltages to the output unit. The control unit is configured to generate a control signal. The output unit is configured to output one of the polarization voltages or a zero voltage to the polarization control panel in a time-division manner according to the control signal.
Abstract:
The present invention discloses a local backlight brightness adjustment method for a direct backlight in a display device, the method comprising the steps of: step 1: performing edge detection on an input image to determine whether a sensitive zone exists, the sensitive zone being a portion in the input image in which a gray level difference between adjacent pixels is greater than a predetermined threshold; and Step 2: if a sensitive zone exists, performing a backlight brightness adjustment with respect to a backlight region corresponding to the sensitive zone and a remaining backlight region other than the backlight region corresponding to the sensitive zone, respectively. According to the above-mentioned technical solution, since the backlight brightness adjustment are performed with respect to the backlight region corresponding to the sensitive zone and the remaining backlight region other than the backlight region corresponding to the sensitive zone, respectively, thus, when there is gray level abruptly-varying portion in the image, the display performance of the displayer can still be ensured.
Abstract:
A thin film transistor array substrate, a driving method therefore, and a liquid crystal display are disclosed. The thin film transistor array substrate includes at least a sub-pixel region formed by a gate line and a data line intersected with each other, wherein, each sub-pixel comprises a first transistor (21) of which the gate is connected with a gate line and the drain is connected with a data line and a first storage capacitor (23) of which one end is connected with the source of the first transistor (21) and the other end is connected with an output of a reference voltage, the sub-pixel further comprises a second storage capacitor (24) and a second transistor (25), wherein one end of the second storage capacitor (24) is connected with the source of the first transistor (21), and the other end of the second storage capacitor (24) is connected with the drain of the second transistor (25); the source of the second transistor (25) is connected with the output of the reference voltage, and the gate of the second transistor (25) is connected with an output of an Enable signal. Since a second storage capacitor (24) is additionally added to each sub-pixel in the thin film transistor array substrate, the capacitance of the storage capacitors during static display is increased, the voltage conversion frequency during static display is deceased, and the system power consumption is decreased.
Abstract:
A method for fabricating a backlight source includes determining an n-step MacAdam ellipse in a uniform chromaticity diagram, where n is an integer smaller than or equal to 3; and fabricating the backlight source according to chromaticity coordinates within the n-step MacAdam ellipse to cause chromaticity coordinates of light emitted from different ones of light-emitting diodes of the backlight source to be within the n-step MacAdam ellipse.
Abstract:
A display panel, a manufacturing method and driving method thereof are provided. The display panel includes a light transmittance adjusting layer and two pixel layers being respectively located on opposite surfaces of light transmittance adjusting layer. Each pixel layer includes multiple light-emitting units arranged in an array. Orthogonal projections of two pixel layers on the light transmittance adjusting layer do not overlap. When light transmittance of light transmittance adjusting layer is higher, light emitted from the light-emitting units on both surfaces of light transmittance adjusting layer is emergent from opposite sides through light transmittance adjusting layer. Two pixel layers display the same picture jointly. When light transmittance of light transmittance adjusting layer is lower, light emitted from light-emitting units on both surfaces of light transmittance adjusting layer cannot be transmitted through light transmittance adjusting layer to reach opposite sides. Two pixel layers display images independently.
Abstract:
An apparatus for compensating a display defect of a display panel is disclosed. The apparatus includes: a first interface for receiving a display drive signal to be applied to the display panel, the display drive signal including display data for respective pixels of the display panel; a second interface for receiving a temperature signal associated with the display panel; a compensation unit configured to compensate display data for a pixel at a position of the display defect based at least on the temperature signal; and a third interface for outputting the compensated display data. Also disclosed is a method of compensating a display defect of a display panel.
Abstract:
A double-sided display device includes: a first display layer, configured to implement output of a display signal of a first side; and a second display layer, configured to implement output of a display signal of a second side; a conversion layer positioned between the first display layer and the second display layer, which switches between a light-transmitting state and an opaque light-shielding state. The conversion layer is in the light-shielding state during a display phase, and in the light-transmitting state during an interfering phase which follows the display phase. During the interfering phase, the first display layer is further configured to output a first interfering signal to interfere with the image displayed by the second side, and the second display layer is further configured to output a second interfering signal to interfere with the image displayed by the first side.
Abstract:
A display panel, a display device, a manufacturing method and driving method thereof are provided. The display panel includes a light transmittance adjusting layer and two pixel layers being respectively located on opposite surfaces of light transmittance adjusting layer. Each of the pixel layers includes multiple light-emitting units arranged in an array. Orthogonal projections of two pixel layers on the light transmittance adjusting layer do not overlap. When light transmittance of light transmittance adjusting layer is higher, light emitted from the light-emitting units on both surfaces of light transmittance adjusting layer is emergent from opposite sides through light transmittance adjusting layer. Two pixel layers display the same picture jointly. When light transmittance of light transmittance adjusting layer is lower, light emitted from light-emitting units on both surfaces of light transmittance adjusting layer cannot be transmitted through light transmittance adjusting layer to reach opposite sides. Two pixel layers display images independently.