Abstract: A pixel includes four sub-pixels. The pixel is used to receive a plurality of signal values to display an image. The signal values are N-bit signal values, and the largest value of the signal values is (2N?1). The method of displaying the image with the pixel includes providing three color signals, generating four transformation signals corresponding to the four sub-pixels according to the values of the three color signals, and using four output signals to display the image of the pixel when the color saturation value is not larger than a first predetermined value and a fourth transformation signal of the four transformation signals is larger than other three transformation signals of the four transformation signals.

Abstract: Provide a set of first RGB (red, green, blue) brightness levels of a set of pixels in a display panel. Generate a set of saturation levels according to the set of first RGB brightness levels. Generate a set of mapping ratios according to the set of saturation levels and the set of first RGB brightness levels. Generate a set of second RGB brightness levels according to the set of first RGB brightness levels and a minimum mapping ratio of the set of mapping ratios. Generate a set of RGBW (red, green, blue, white) brightness levels according to the set of second RGB brightness levels and a set of brightness levels of white sub-pixels of the set of RGBW brightness levels. And convert the set of RGBW brightness levels to generate a set of RGBW gray levels of the set of pixels.

Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.

Abstract: A series of ladder-type multifused arenes (hexacyclic, heptacyclic and nonacyclic units) and the synthesizing methods thereof are provided. The ladder-type multifused arenes are copolymerized with various electron-deficient acceptor units to afford various p-type low-band gap conjugated copolymers.

Abstract: A voltage regulation module coupled to a power conversion module to form a closed loop. The power conversion module includes a PWM circuit and a conversion circuit. The conversion circuit includes serially coupled first and second power switches. The PWM circuit outputs a drive signal to control the first and second power switches to cause the conversion circuit to generate an output current. The voltage regulation module includes subtraction and regulation circuits. The subtraction circuit obtains a voltage related to the output current, and performs a subtraction operation on this voltage and a reference voltage to generate a second regulation voltage. The regulation circuit generates a level voltage, which is directly proportional to the output current, according to the second regulation voltage. The PWM circuit adjusts a voltage level of the drive signal according to the level voltage so that this voltage level follows the output current.

Abstract: A display device includes a display panel, a light source module and a skin-color detector. The display panel has a plurality of sub pixel units, and the sub pixel units include red sub pixel units, green sub pixel units, blue sub pixel units and white sub pixel units. The light source module is disposed at a side of the display panel and the light source module includes a white light source and a yellow light source distributed in the white light source. The skin-color detector is electrically connected to the display panel, wherein the skin-color detector detects the skin-color area proportion of an image signal of the display panel.

Abstract: A backlight module adapted to a display device for displaying multiple image frames to form an image. Herein the backlight module includes multiple light-emitting units and a driving circuit. The light-emitting units are arranged along a first direction. The driving circuit is electrically coupled to the light-emitting units to thereby drive the light-emitting units sequentially to emit light. During the driving circuit drives the light-emitting units, a light-emitting time of the firstly-turned-on light-emitting unit in the light-emitting units for illuminating a current image frame of the image frames has a portion in an image driving time of the current image frame, and the other portion of the light-emitting time is in the image driving time of a successive image frame immediately following the current image frame. Moreover, the disclosure also provides a display system using the above backlight module and a driving method of backlight module.

Abstract: A printed circuit board, a supporting jig, and a positioning method are disclosed, wherein the supporting jig is used for positioning a printed circuit board to facilitate surface mount technology (SMT) procedures. The printed circuit board includes a circuit board locating hole, and a first magnet, wherein the first magnet is accommodated in the circuit board locating hole. The supporting jig has a jig locating hole and a second magnet. The jig locating hole is beneath the circuit board locating hole. The second magnet is accommodated in the jig locating hole so that the printed circuit board can be fixed on the supporting jig by the magnetic attraction between the first magnet and the second magnet.

Abstract: A color-temperature-compensation (CTC) method and applications thereof are provided, and which includes determining intensities of weights of three colors in an inputted three-dimension color signal; if yes, performing a lookup table mechanism to find-out a first set of multi-primary-color (MPC) signal corresponding to the three colors with the same weights, and performing a digital-gamma-correction (DGC) to the first set of MPC signal for providing a first set of CTC signal accordingly; if no, performing the lookup table mechanism to find-out a second set of MPC signal corresponding to the three colors with different weights, and performing the DGC to the second set of MPC signal for providing a second set of CTC signal accordingly; and making at least one same color with the same intensity in the three colors with the same weights and in the three colors with different weights displaying on an MPC display have different brightness.

Abstract: In an exemplary RGBW display apparatus, a plurality of four-color image output signals and a plurality of mapping scale ratios are generated according to a plurality of three-color image input signals. Furthermore, a backlight output intensity outputted from a backlight module is dynamically adjusted according to the mapping scale ratios and a white color signal adjust ratio is generated. In addition, a white color signal in each of the four-color image output signals is adjusted to be an updated white color signal according to the white color signal adjust ratio.

Abstract: A voltage regulation module coupled to a power conversion module to form a closed loop. The power conversion module includes a PWM circuit and a conversion circuit. The conversion circuit includes serially coupled first and second power switches. The PWM circuit outputs a drive signal to control the first and second power switches to cause the conversion circuit to generate an output current. The voltage regulation module includes subtraction and regulation circuits. The subtraction circuit obtains a voltage related to the output current, and performs a subtraction operation on this voltage and a reference voltage to generate a second regulation voltage. The regulation circuit generates a level voltage, which is directly proportional to the output current, according to the second regulation voltage. The PWM circuit adjusts a voltage level of the drive signal according to the level voltage so that this voltage level follows the output current.

Abstract: An exemplary display device driving method is applied to a display device. The display device includes a pixel array and a data driving circuit. The pixel array has first through fourth pixels. Each of the first through fourth pixels includes first through fourth sub-pixels. In the display device driving method, each of the first through fourth pixels is provided with a data signal. At least one colored sub-pixel is enabled to display a second gray level in turns in multiple frames of a same frequency period, and the remained sub-pixels are enabled to display a first gray level smaller than the second gray level.

Abstract: A display device includes a display panel, a light source module and a skin-color detector. The display panel has a plurality of sub pixel units, and the sub pixel units include red sub pixel units, green sub pixel units, blue sub pixel units and white sub pixel units. The light source module is disposed at a side of the display panel and the light source module includes a white light source and a yellow light source distributed in the white light source. The skin-color detector is electrically connected to the display panel, wherein the skin-color detector detects the skin-color area proportion of an image signal of the display panel.

Abstract: A display device and a display panel and a color filter thereof are provided. The color filter includes a transparent substrate, at least a red filter film, at least a green filter film, at least a plurality of blue filter film and at least a white filter film. The red filter films, the green filter films, the blue filter films and the white filter films are disposed on the transparent substrate. The blue filter films have a first largest transmittance when a light with first wavelength transmits it. The green filter films have a second largest transmittance when a light with second wavelength transmits it. The white filter films have a third largest transmittance when a light with third wavelength transmits it. The third largest transmittance is larger than the first largest transmittance and the second largest transmittance. The third wavelength is between the first wavelength and the second wavelength.

Abstract: A pixel structure includes a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel. The red sub-pixel, the green sub-pixel and the blue sub-pixel are suitable for providing a first white light, and a chroma coordinate of the first white light is (x1, y1). The white sub-pixel is suitable for providing a second white light, and a chroma coordinate of the second white light is (x2, y2). The chroma coordinate of the first white light is different from the chroma coordinate of the second white light, that is, (x1, y1)?(x2, y2), while x2?x1 and y2?y1.

Abstract: A display panel including a pair of substrates, a color filter layer, and a display medium is provided. The substrates including a plurality of pixels, wherein each pixel at least having a first sub-pixel, a second sub-pixel, a third sub-pixel, and a fourth sub-pixel. The color filter layer is disposed on one of the substrates and at least has a first color filtering pattern disposed in the first sub-pixel, a second color filtering pattern disposed in the second sub-pixel, a third color filtering pattern disposed in the third sub-pixel, and a fourth color filtering pattern disposed in the fourth sub-pixel. The display medium is disposed between the pair of substrates, wherein the display medium correspondingly disposed in the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel has thicknesses of T1, T2, T3 and T4, respectively, and T1>T2>T3 and T1>T4>T3.

Abstract: A liquid crystal display comprising a backlight module and a liquid crystal display panel is provided. The backlight module comprises a white point source that emits a spectrum of light comprising three peaks. The liquid crystal display panel comprises a liquid crystal layer disposed between a color filter substrate, which comprises a blue filter, a green filter and a red filter, and an opposite substrate. The color filter substrate and the backlight module satisfy the following formulas: ? 555 605 ? ? BL ? ( ? ) × CF Red ? ( ? ) × ?? ? 6.0 ; ( 1 ) ? 580 630 ? ? BL ? ( ? ) × CF Green ? ( ? ) × ?? ? 3.5 ; ( 2 ) ? 505 580 ? ? BL ? ( ? ) × CF Blue ? ( ? ) × ?? ? 3.5 . ( 3 ) Herein, the backlight module has the maximum luminance in one wavelength, with the maximum luminance being set at 1.0. BL (?) represents the normalized luminance spectrum at each wavelength.

Abstract: A flat panel display includes a four-color conversion unit, a backlight control unit, a backlight module, and a pixel array. The four-color conversion unit provides a first set of four color image signals corresponding to three color image input signals based on a preliminary conversion lookup table and provides corresponding conversion scaling factors. The backlight control unit generates a backlight adjusting factor based on the conversion scaling factors. The backlight module provides a backlight output having an intensity adjusted according to the backlight adjusting factor. The four-color conversion unit further provides a second set of four color image signals corresponding to the three color image input signals based on the backlight adjusting factor. The pixel array displays an image according to the second set of four color image signals and the backlight output.

Abstract: A display device includes a number of sub-pixels. A main region and a sub region are defined in each sub-pixel, and correspond to a first pixel electrode and a second pixel electrode respectively. The first and the second pixel electrodes are separated from each other and thereby forming a gap between the first and the second pixel electrodes substantially perpendicular to the gate lines. Each sub-pixel includes a coupling electrode, a first switching transistor, a second switching transistor and a sharing transistor. The coupling electrode is capacitively coupled with the first pixel electrode. The first switching transistor and the second switching transistor are electrically connected to a gate line, a data line, and respectively connected to the first and the second pixel electrodes. The sharing transistor is electrically connected to another gate line, the coupling electrode and the second pixel electrode.

Abstract: An optical recognition device is provided. The optical recognition device includes a transparent substrate, a patterned infrared reflective film formed thereon, and an infrared anti-reflective film sheltering a gap in a recognition pattern of the patterned infrared reflective film, wherein the patterned infrared reflective film reflects the recognition pattern by reflection of infrared light and transmission of visible light. The invention also provides a display incorporating the optical recognition device.