Abstract: A method for backlight control includes: receiving a display synchronization signal; generating a backlight control signal according to the display synchronization signal; and driving a backlight source according to the backlight control signal. An apparatus for backlight control includes: a signal receiving circuit, for receiving a display synchronization signal; a control circuit, coupled to the signal receiving circuit, for generating a backlight control signal according to the display synchronization signal; and a driving circuit, coupled to the control circuit, for driving a backlight source according to the backlight control signal.

Abstract: A sensing apparatus includes a sensing cell and a processing circuit. The sensing cell is disposed inside a display panel, and includes a first type sensing device and a second type sensing device. The first type sensing device is arranged to generate a first type sensing signal when the sensing cell receives an input event. The second type sensing device is adjacent to the first type sensing device, and arranged to generate a second type sensing signal when the sensing cell receives the input event, wherein a sensing ability of the first type sensing device to detect the input event is different from a sensing ability of the second type sensing device to detect the input event. The processing circuit is arranged to output a sensing output signal corresponding to the sensing cell according to a difference between the first type sensing signal and the second type sensing signal.

Abstract: A method for backlight control includes: receiving a display synchronization signal; generating a backlight control signal according to the display synchronization signal; and driving a backlight source according to the backlight control signal. An apparatus for backlight control includes: a signal receiving circuit, for receiving a display synchronization signal; a control circuit, coupled to the signal receiving circuit, for generating a backlight control signal according to the display synchronization signal; and a driving circuit, coupled to the control circuit, for driving a backlight source according to the backlight control signal.

Abstract: The present invention discloses a voltage level generating device. The voltage level generating device includes: a reference voltage generating module, a first circuit module, a second circuit module, and a switch module. The voltage level generating device disclosed in the present invention only requires a buffer, a voltage regulator, and a arithmetic logic unit (ALU) to attain the same function of the conventional common voltage level generating device, and thus the circuit layout area can be reduced so as to decrease the cost of the integrated circuit (IC). In addition, the voltage level generating device disclosed in the present invention also can select different output of voltage level in order to reduce the power consumption of a display device.

Abstract: A light emitting apparatus includes a clock generating circuit and a light-emitting module. The clock generating circuit is for generating a clock control signal. The light emitting module includes a current supplying unit and a light emitting unit. The current supplying unit is for controlling a driving current flowing through a path, and includes a driving current source and a switch unit, which are both positioned in the path. The driving current source is for providing the driving current. The switch unit is coupled to the driving current source and the clock generating circuit, and refers to the clock control signal to open or short for controlling whether the driving current flows through the path. The light emitting unit is positioned in the path and coupled to the current supplying unit, and is for providing a light source according to the driving current.

Abstract: A Gamma voltage driving circuit includes a setting circuit, a Gamma voltage generator, and a plurality of voltage output modules. The setting circuit respectively outputs a plurality of Gamma voltage setting signals at different time slots. The Gamma voltage generator respectively transforms the plurality of Gamma voltage setting signals into a plurality of corresponding voltage levels. The plurality of voltage output modules respectively provides voltage outputs at different time slots. Each voltage output module includes a plurality of voltage output circuits and a plurality of output control circuits. Each voltage output circuit includes a voltage selecting unit and an output buffering unit. The output control circuit controls the voltage output circuit to selectively output Gamma voltages.

Abstract: A driving circuit includes a data driving circuit, including a plurality of driving circuit modules respectively corresponding to a plurality of channels; and a control unit, positioned in at least one circuit sub-module of each driving circuit module of the plurality of driving circuit module. When the control unit is enabled, the control unit controls the driving circuit modules output auxiliary display data having a predetermined gray value to drive the display apparatus. When the control unit is disabled, utilizing the driving circuit module to drive the display apparatus according to original display data. A related method of a display apparatus is also disclosed.

Abstract: The present invention discloses a voltage level generating device. The voltage level generating device includes: a reference voltage generating module, a first circuit module, a second circuit module, and a switch module. The voltage level generating device disclosed in the present invention only requires a buffer, a voltage regulator, and a arithmetic logic unit (ALU) to attain the same function of the conventional common voltage level generating device, and thus the circuit layout area can be reduced so as to decrease the cost of the integrated circuit (IC). In addition, the voltage level generating device disclosed in the present invention also can select different output of voltage level in order to reduce the power consumption of a display device.

Abstract: The present invention discloses a multi-function circuit module having voltage level shifting function and data latching function via switching a plurality of switch elements. The multi-function circuit module includes a first circuit module, a fourth switch element, and a fifth switch module, wherein the first circuit module further includes a first switch module, a second switch module, and a third switch module. The multi-function circuit module can substantially reduce the circuit layout area. For example, when the multi-function circuit module of the present invention is applied in a source driving chip circuit, the multi-function circuit module can replace the original low-to-high voltage level shifting circuit and data latching circuit, so as to attain the purpose of reducing the chip area.

Abstract: The present invention discloses a multi-function circuit module having voltage level shifting function and data latching function via switching a plurality of switch elements. The multi-function circuit module includes a first circuit module, a fourth switch element, and a fifth switch module, wherein the first circuit module further includes a first switch module, a second switch module, and a third switch module. The multi-function circuit module can substantially reduce the circuit layout area. For example, when the multi-function circuit module of the present invention is applied in a source driving chip circuit, the multi-function circuit module can replace the original low-to-high voltage level shifting circuit and data latching circuit, so as to attain the purpose of reducing the chip area.

Abstract: A charge recycle system implemented in a liquid crystal display includes a common voltage source, a control unit, and a source driving circuit. Before the common voltage source switches its common voltage level, the control unit controls the common voltage source to let a voltage driving circuit of the common voltage source not coupled to the output end of the common voltage source, and sends a charge recycle enable signal to the source driving circuit to adjust the source voltage level. By boosting or pulling down the source voltage level, the charges stored in liquid crystal units of the liquid crystal display can be recycled to the common voltage source, therefore raising charge utilization efficiency and lowering power consumed by the liquid crystal display.

Abstract: A charge recycling system of a liquid crystal display includes a controller and at least one switch module. The controller outputs at least one control signal when driving signals of a gate line and a source line of the liquid crystal display are both disabled, and the switch module couples the source line to a voltage supply of a driving circuit of the liquid crystal display according to the control signal. In this way, charges stored in a liquid crystal unit coupled to the source line are recycled to the voltage supply of the driving circuit, therefore raising the utilization efficiency of charges of the liquid crystal display and lowering the power consumed by the liquid crystal display.

Abstract: A level shifter circuit includes: K level shifter units for receiving K input signals having a first voltage level range and outputting K output signals having a second voltage level range, wherein the second voltage level range is greater than the first voltage level range. Each level shifter unit is utilized to output an output signal at an output end and includes: a first switch, coupled between the output end and a first voltage source for controlling the electrical connection between the first voltage source and the output end according to an input signal; and (K?1) second switches, connected in parallel between the output end and a second voltage source, for respectively controlling its ON/OFF status according to (K?1) output signals except for the output signal. K is an integer.

Abstract: A level shifter circuit includes: K level shifter units for receiving K input signals having a first voltage level range and outputting K output signals having a second voltage level range, wherein the second voltage level range is greater than the first voltage level range. Each level shifter unit is utilized to output an output signal at an output end and includes: a first switch, coupled between the output end and a first voltage source for controlling the electrical connection between the first voltage source and the output end according to an input signal; and (K-1) second switches, connected in parallel between the output end and a second voltage source, for respectively controlling its ON/OFF status according to (K-1) output signals except for the output signal. K is an integer.

Abstract: An amplifier circuit includes an operational amplifier and a compensation circuit. The operational amplifier includes an amplifying stage for amplifying an input signal to generate an amplifying signal; and an output stage coupled to an output node of the amplifying stage for receiving the amplifying signal and generating an output signal according to the amplifying signal. The compensation circuit is coupled to the output stage and the amplifying stage for generating a compensation signal according to the output signal, and feeding the compensation signal back to the output node of the amplifying stage for compensating the amplifying signal.