Abstract:
An operational amplifier module including an operational amplifier circuit and a comparator circuit is provided. The operational amplifier circuit includes an input stage circuit and an output stage circuit. The input stage circuit receives an input signal. The output stage circuit is coupled to the input stage circuit for enhancing the driving capability of the input signal. The comparator circuit is coupled to the output stage circuit for receiving the input signal. The comparator circuit determines whether the input signal changes so as to output an enable control signal to the output stage circuit to enhance the driving capability of the operational amplifier circuit. Furthermore, a method for enhancing the driving capability of the foregoing operational amplifier circuit is also provided.
Abstract:
A multiple polarity inversion driving method is provided, capable of being operated in a number of inversion schemes, and being flexibly adjusted in accordance with different design requirements and application conditions. The driving method includes providing display data in accordance with an inversion switching time unit as a repeated time unit. The inversion switching time unit has a number of different types of polarity distribution pattern intervals. Additionally, the display data provided to the different types of polarity distribution pattern intervals respectively have different types of polarity distribution patterns on the display.
Abstract:
An image display apparatus and an image optimization method are provided. The image display apparatus includes an image content analyzer, a luminance compensator, and an image optimization processor The image content analyzer receives image data and ambient luminance and generates a backlight luminance adjustment value according to the image data and the ambient luminance. The luminance compensator generates an image data luminance adjustment value according to the backlight luminance adjustment value and generates first image data by adjusting the luminance of the image data according to the image data luminance adjustment value. The image optimization processor generates a saturation adjustment weight according to the image data luminance adjustment value. According to the saturation adjustment weight, the image optimization processor generates output image data by adjusting the luminance of the first image data.
Abstract:
An image display apparatus and a backlight adjusting method are provided. The image display apparatus has a backlight module. The image display apparatus includes an ambient light sensor, an image content analyzer and a backlight controller. The ambient light sensor detects a luminance of ambient light. The image content analyzer receives an image data. The backlight controller sets a backlight basic value according to the luminance of ambient light, and sets a backlight adjusting ratio according to the image data and the luminance of ambient light. The backlight controller further sets a luminance of the backlight module according to the backlight basic value and the backlight adjusting ratio.
Abstract:
A display method for a monitor is capable of dynamically adjusting a frame rate of a display panel in a monitor. The display method includes storing a display data outputted from a host to a memory unit, generating a control signal according to a frequency of storing the display data to the memory unit, adjusting the frame rate according to the control signal and a predefined adjustment value, and outputting the display data stored in the memory unit to the display panel according to the frame rate.
Abstract:
A three-dimension (3D) image processing method is disclosed. A plurality of asymmetric filtering is performed on an input depth map to obtain a plurality of asymmetric filtering results. One among the asymmetric filtering results is selected as an output depth map. A two-dimension (2D) image is converted into a 3D image according to the output depth map.
Abstract:
A method for transporting data with embedded information is provided. The method is adapted to a data transmission interface for coding an original data and then transporting thereof, including: packing the original data, wherein every N bits form a packet, and N is an integer of at least 4; analyzing whether or not existing a long-run length of long-run data with consecutive same bit data in the packet, wherein when the long-run length is greater than a predetermined length, bit data with a predetermined bit length after an Lth bit of the long-run data is toggled; coding the packet to embed a coding information, wherein the coding information determines whether or not the long-run data has been toggled; and transporting the coded packet.
Abstract:
A display device including a timing controller, a data driving circuit and a display system is provided. The timing controller outputs first pixel data according to input pixel data, wherein a color depth of the first pixel data is a first bit number or a second bit number smaller than the first bit number. The data driving circuit receives the first pixel data and a notice signal, and maps the first pixel data to generate second pixel data according to the notice signal when the color depth of the first pixel data is the second bit number, and directly takes the first pixel data as the second pixel data when the color depth of the first pixel data is the first bit number, and generates at least one driving voltage according to the second pixel data, wherein the color depth of the second pixel data is the first bit number.
Abstract:
An interface circuit for signal transmission includes an amplifying circuit, a de-skew circuit and a latching unit. The amplifying circuit receives an input clock signal and outputs an output clock signal after amplifying the input clock signal. The de-skew circuit receives the output clock signal and outputs a de-skew clock signal as a trigger signal after removing a skew time of the output clock signal. The latching unit includes multiple sampling circuits, respectively receives multiple inputting data signals. The sampling circuits are controlled by the trigger signal to sample the inputting data signals and output multiple outputting data signals. The voltage amplitudes of the outputting data signals are larger than the voltage amplitudes of the inputting data signals and satisfy a required voltage amplitude by a subsequent circuit.
Abstract:
A charge recycling device for a panel display apparatus is disclosed. The charge recycling device includes one or more storage capacitors, and one or more switch modules coupled to the one or more storage capacitors and coupled to a plurality of load capacitors via a plurality of source driving nodes, for controlling currents between the plurality of load capacitors and the one or more storage capacitors. During a charge recycling period, the one or more switch modules are arranged to recycle charges stored in the plurality of load capacitors to the one or more storage capacitors. During a charge reutilization period, the one or more switch modules are arranged to redistribute the recycled charges to the plurality of load capacitors.