Abstract: A wire-on-array (WOA) flat panel display is provided. The wire-on-array (WOA) flat panel display is characterized in a plurality of high input impedance components between the flexible printed circuit (FPC) board and the corresponding source driver circuits. Each of the high input impedance components is able to receive gamma voltages with little input current and then transmit the gamma voltages to each of the source driver circuit for production of source voltages of little banding effect.

Abstract: A tape having a predetermined area is provided for a chip. A hole is drilled within the predetermined area. The chip is adhered to the predetermined area by underfilling an underfill material between the chip and the tape from one side of the chip. By the hole, the invention provides a short path for effectively dissipating gas to prevent voids from forming between the tape and the chip while the underfill material is applied.

Abstract: A method for video processing which provides a scaled image using two different clock frequencies is provided. The method receives source pixel data using a first clock signal and scales the source pixel data to destination pixel data. After that, the destination pixel data is provided using a second clock signal having a second clock frequency and a third clock signal having a third clock frequency during blanking period and active period, respectively.

Abstract: The present invention relates to an illumination device of an LCD projection system. The illumination device comprises a light source, a quarter-wave retardation and a wire grid polarizer. The light source is used for providing light. The quarter-wave retardation is disposed near the light source. The wire grid polarizer is disposed parallel to the quarter-wave retardation, and is associated with the quarter-wave retardation to polarize the light from the light source. P-polarized light can pass through the wire grid polarizer. S-polarized light cannot pass through the wire grid polarizer, and is reflected to the quarter-wave retardation to become circular polarized light. The circular polarized light is reflected by a parabolic surface of the light source and passes through the quarter-wave retardation again to convert into p-polarized light. The converted p-polarized light can pass through the wire grid polarizer.

Abstract: A method for accessing a single port memory is provided. A single port memory is used as a line buffer and divided into a plurality of memory blocks. The line buffer data is written into or read out from these memory blocks by turns with a special sequence corresponding to the operation mode; for example, a normal mode or a PLM mode. Therefore, the line buffer data can be written into or read out from the line buffer at the same time, and the size and cost of integrated circuit can be reduced.

Abstract: An organic light emitting display (OLED) panel has a plurality of organic light emitting diodes. The organic light emitting diodes are electrically connected to a plurality of segment lines and a plurality of common lines in a matrix structure. The organic light emitting diodes electrically connected to the same common lines are divided into a first group and a second group. Driving currents are separately supplied to the organic light emitting diodes of the first group and the second group according to a first pulse width modulation (PWM) manner and a second PWM manner. The first PWM manner and the second PWM manner have complementary waveforms in a period.

Abstract: A DAC has an N-bit R-string DAC section and an (M-N)-bit interpolation DAC section. The N-bit R-string DAC section has a plurality of resistors and a 2-of-N selector. The resistors are electrically connected in series to provide a plurality of voltage levels. The 2-of-N selector is coupled to the series-connected resistors, and is arranged to select two neighboring voltage levels according to an N-bit MSB subword. The (M-N)-bit interpolation DAC section is coupled to the N-bit R-string DAC section, and is arranged to interpolate an analog output signal from the two neighboring voltage levels according to an (M-N)-bit LSB subword.

Abstract: Successive video signals of a first frame and a second frame are received. A signal difference between the video signals is determined and filtered to obtain a luminance difference. A signal sum of the video signals is determined and filtered to obtain a luminance sum. The luminance sum is subtracted from the signal sum to obtain a chrominance difference.

Abstract: A DAC has an N-bit R-string DAC section and an (M-N)-bit interpolation DAC section. The N-bit R-string DAC section has a plurality of resistors and a 2-of-N selector. The resistors are electrically connected in series to provide a plurality of voltage levels. The 2-of-N selector is coupled to the series-connected resistors, and is arranged to select two neighboring voltage levels according to an N-bit MSB subword. The (M-N)-bit interpolation DAC section is coupled to the N-bit R-string DAC section, and is arranged to interpolate an analog output signal from the two neighboring voltage levels according to an (M-N)-bit LSB subword.

Abstract: A DAC has an N-bit R-string DAC section and an (M-N)-bit interpolation DAC section. The N-bit R-string DAC section has a plurality of resistors and a 2-of-N selector. The resistors are electrically connected in series to provide a plurality of voltage levels. The 2-of-N selector is coupled to the series-connected resistors, and is arranged to select two neighboring voltage levels according to an N-bit MSB subword. The (M-N)-bit interpolation DAC section is coupled to the N-bit R-string DAC section, and is arranged to interpolate an analog output signal from the two neighboring voltage levels according to an (M-N)-bit LSB subword.

Abstract: A structure for preventing leakage of a semiconductor device is provided. The structure comprises a conductive layer, for shielding the features beneath thereof, located under a conductive line which crosses over a region having high voltage device. The conductive layer is wider than the conductive line.

Abstract: A structure for preventing leakage of a high voltage device is provided. The structure comprises a conductive layer, for shielding the features beneath thereof, located under a conductive line which crosses over a region having high voltage device. The conductive layer is wider than the conductive line.

Abstract: A method for driving an LCD monitor is disclosed. The LCD monitor includes a voltage selection unit used for outputting a plurality of driving voltages according to display data, and a plurality of output buffers each electrically connected to the voltage selection circuit and a corresponding pixel. In the beginning, an output port of each output buffer approaches voltage at an input port. Then, the output ports of the driving units, which approach the same input voltage, are electrically connected to have an average voltage. In addition, the LCD monitor further includes a timing controller for controlling operation of the output buffers. When output ports of the output buffers, which approach the same input voltage, are electrically connected, the output buffers are turned off for saving power.

Abstract: A circuit and a method for eliminating interference introduced from an image channel into a desired channel is described. The circuit includes a splitter and an adder. The splitter generates signals split from a received signal having frequency components within the desired and image channel. The adder adds together the signals output from the splitter. The circuit can be used in an TV tuner.

Abstract: A circuit for driving a display panel comprises a source driving circuit having a plurality of driving units for driving the display panel according to display data; at least one of the driving units has a buffer and a switch circuit wherein the buffer includes an input terminal and an output terminal, and the switch circuit is coupled to the buffer and used for selectively and electrically connecting the output terminal of the buffer and the display panel, electrically connecting the input terminal of the buffer and the display panel, or electrically disconnecting the buffer and the display panel. The present invention also provides a method for driving a display panel.

Abstract: A method for driving an LCD monitor is disclosed. The LCD monitor includes a power supply, which has a plurality of outputs for outputting a plurality of voltages. Each of the outputs of the power supply is connected to a specific driving unit. Each driving unit has an output buffer and a switch circuit. In the beginning, the switch circuit is controlled to make voltage at an output port of the driving unit approach voltage at an input port of the driving unit. Then, the switch circuit is controlled to make output ports of the driving units, which approach the same input voltage, electrically connected.

Abstract: A gamma correction apparatus set in a liquid crystal display (LCD), comprising a gray-scale voltage generating circuit and a gamma correction circuit. The gray-scale voltage generating circuit includes the common gray-scale voltage generating circuit and a plurality of individual gray-scale voltage generating circuits, wherein every individual gray-scale voltage generating circuit generates individual gray-scale voltage and corresponds to one of the displaying colors of the pixels of the LCD panel. The gamma correction circuit, according to the corresponding color of the pixel signal, selects the common gray-scale voltage and the corresponding individual gray-scale voltages of the color, and then outputs a pixel voltage corresponding to the pixel signal.

Abstract: A CMOS power sensor is disclosed in the present invention. The CMOS power sensor includes a current coil, a high voltage device circuit, and a Hall device. The current coil is fabricated during the process steps of forming gold bumps of a CMOS device. One end of the current coil is connected to a voltage source, and the other end of the current coil is connected to a load. The high voltage device circuit is connected to the voltage source. The Hall device is connected to the high voltage device circuit and induces a Hall voltage in response to the magnetic field generated by the current coil.

Abstract: The present invention relates to a LCOS display driving system. The driving sequential control block generates a control code representing a loading sequence of the R, G, and B data for pixels in one of scan lines. The multiplexer multiplexes the R, G, and B data from latches according the control code. The shared level shifter shifts the level of the R, G, and B data from the multiplexer. The digital analog converts converting the R, G, and B data to a corresponding analog R, G, and B data voltage. The shared unity-gain buffer stores the analog R, G, and B data voltage from the shared digital analog converter. The demultiplexer demultiplexes the analog R, G, and B data voltage according the control code.

Abstract: A chip structure and a bonding pad are provided. The chip structure comprises a chip and at least a bonding pad. The chip has an active surface. The bonding pad is disposed on the active surface of the chip. The bonding pad comprises a polygonal body and a plurality of first protruding portions. The polygonal body has a first planar surface and a corresponding second planar surface. The second planar surface of the polygonal body is in contact with the chip. The first protruding portions are disposed on the first planar surface at the corner regions of the polygonal body. By modifying the geometric shape of the bonding pad, the yield of bonding the chip structure and another device together through the bonding pad is increased.