Abstract: An exemplary multi-domain vertical alignment LCD (200) includes a common electrode, a pixel electrode and a liquid crystal layer sandwiched between the common electrode and the pixel electrode. The LCD is regularly divided into a plurality of frist and second sub-pixel regions (250, 260). The first sub-pixel region corresponding to two of the first protrusions (241), one of the second protrusions (242), one of the first slits (281), and two of the second slits (282), a second sub-pixel region corresponding to two of the third protrusions (243), one of the fourth protrusions (244), one of the third slits (283), and two of the fourth slits (284), a first ratio of first distance between the first slit and the second slit to a first width of the first slit is less than second ratio of second distance between the third slit and the fourth slit to second width of the third slit.

Abstract: A liquid crystal display (LCD) device includes an LCD panel, and a common voltage generating circuit configured for providing common voltages to the LCD panel. The common voltage generating circuit includes a microprocessor, a timer, a voltage adjustment circuit, and a look up table. The microprocessor is electrically connected to the timer, the look up table, and the voltage adjustment circuit. The timer is configured for recording a continuous operated time of the LCD panel. The look up table is configured for storing optimal common voltages corresponding to each continuous operated time. The microprocessor is configured for reading the optimal common voltage at set intervals corresponding to the continuous operated time, and controlling the voltage adjustment circuit to provide the corresponding optimal common voltage to the LCD panel.

Abstract: An exemplary TFT substrate (200) includes a plurality of first gate lines (218), a plurality of second gate lines (259), a plurality of data lines (238), a plurality of first pixel electrodes (254) and second pixel electrodes (255), and a plurality of first TFTs (201) and second TFTs (203). Each first pixel electrode is connected to a first gate line and a data line via the first TFT. Each second pixel electrode is connected to a second gate line and a data line via the second TFT. The first gate lines are disposed on a layer different from that of the second gate lines, and overlaps with the second gate lines.

Abstract: An exemplary liquid crystal display includes a first glass layer (210) and a second glass layer (220) opposite to each other, a liquid crystal layer (27) interposed between the first and second glass layers, at least one alignment layer (224 and/or 414) disposed between the first and second glass layers, a plurality of common electrodes (225) arranged on the second glass layer, an insulation layer (227) arranged on the second glass layer, a plurality of pixel electrodes (226) arranged on the insulation layer, a first transparent conductive film (250) arranged on each of the common electrodes, and a second transparent conductive film (260) arranged on each of the pixel electrodes. A distance separating the common electrodes and the liquid crystal layer is equal to that separating the pixel electrodes and the liquid crystal layer. The liquid crystal display can avoid the occurrence of image delay.

Abstract: A liquid crystal display (2) has a first substrate (21), a second substrate (22), and liquid crystal molecules (26) interposed between the substrates. Curved first slits (211) and curved second slits (221) are defined at insides of the substrates respectively. When an electric field is applied between the substrates, the liquid crystal molecules are inclined to be oriented parallel to the substrates. In addition, the curved first slits and the curved second slits affect the orientations of the liquid crystal molecules, such that the liquid crystal molecules are directed to incline in various directions in smooth continuums. The visual effect of the continuous domain vertical alignment liquid crystal display is the sum of multiple smooth continuous domains. Thus the continuous domain vertical alignment liquid crystal display provides a more even display performance at various different viewing angles.

Abstract: A liquid crystal display device that operates in optically compensated bend mode includes a gate driving circuit, a data driving circuit, and pixel units. The gate driving circuit is configured for providing a gate signal to each of the pixel units. The data driving circuit is configured for providing a first voltage corresponding to a black signal in a first sub frame of a frame divided into two sub frames to each of the pixel units via a corresponding data line, and a second voltage corresponding to a gray level display signal in a second sub frame of the frame to each of the pixel units.

Abstract: An in plane switching liquid crystal display (2) includes a first substrate (27), a second substrate (37) and a liquid crystal layer (23) having a plurality of liquid crystal molecules. A number of pixel electrodes (25) and common electrodes (24) are formed on the first substrate, and each of the pixel electrodes and common electrodes include at least two bend portions (241, 242, 243). Each bend portion has a first side and a second side. An original alignment direction of the liquid crystal molecules form at least two different angles with the sides of the bend portions of the common and pixel electrodes. When a voltage is applied to the pixel electrodes and the common electrodes, the liquid crystal molecules are aligned along at least three different directions. Therefore, the IPS-LCD can have uniform viewing performance at different viewing angles.

Abstract: An exemplary thin film transistor (TFT) substrate assembly includes a substrate, a plurality of gate lines disposed on an inner surface of the substrate, a plurality of data lines disposed insulated with the gate lines. The plurality of gate lines and the plurality of data lines define a plurality of pixel regions. Each pixel region includes a first switch element, a second switch element, a first pixel electrode, and a second pixel electrode. The first switch element and the second switch element are connected with a same gate line from the plurality of gate lines. The first pixel electrode is applied with data signals from a data line from the plurality of data lines via the first switch element. The second pixel electrode is applied with data signals from the data line from the plurality of data lines via the second switch element and a voltage dividing element.

Abstract: A liquid crystal display device (100) includes an upper substrate (12), a lower substrate (11), and a liquid crystal layer (130) between the upper substrate and the lower substrate. The upper substrate includes an upper polarizer (143) and a color filter layer (127), the upper polarizer being an extraordinary type polarizer. The lower substrate includes a reflective film (119). A multiplicity of pixel electrodes (113) and common electrodes (111) are positioned at the lower substrate, for applying a voltage to the liquid crystal layer. The display device has a wide viewing angle, can work at high temperatures, and is relatively thin and compact. Further, the color filter layer is positioned above the upper polarizer. Optical beams reach the color filter layer after passing back through the liquid crystal layer and the upper polarizer. This reduces or eliminates color filter de-polarizing, and yields a high contrast ratio over wide viewing angles.

Abstract: A continuous domain vertical alignment liquid crystal display (2) has a first substrate (21), a second substrate (22), and liquid crystal molecules (26) interposed between the substrates. A plurality of curved first protrusions (211) and a plurality of curved second protrusions (221) are disposed at insides of the substrates respectively. When an electric field is applied between the substrates, the liquid crystal molecules tend to be oriented parallel to the substrates. In addition, the curved protrusions affect the orientations of the liquid crystal molecules, such that the liquid crystal molecules are directed to incline in various directions in smooth continuums. The visual effect of the continuous domain vertical alignment liquid crystal display is the sum of multiple smooth continuous domains. Thus the continuous domain vertical alignment liquid crystal display provides a more even display performance at various different viewing angles.

Abstract: An exemplary liquid crystal display device includes a plurality of gate lines configured for providing a plurality of scanning signals, a plurality of data lines configured for providing a plurality of gray scale voltages, and a plurality of pixel units arranged in an array. Each pixel unit includes a first sub-pixel unit and a second sub-pixel unit. The first and second sub-pixel units are connected to one of the gate lines and one of the data lines. A plurality of first common lines are configured for providing a first common signal to the first sub-pixel unit, and a plurality of second common lines are configured for providing a second common signal to the second sub-pixel unit. The first and second common signals are pulse voltage signals and have different starting pulse times according to successive starting pulse times of the scanning signals. An exemplary method for driving the liquid crystal display device is also provided.

Abstract: An IPS liquid crystal display (200) includes a first substrate (21) and a second substrate (22) opposite to each other, and a twisted nematic liquid crystal layer (25) sandwiched between the first and second substrates. A first polarizer (23) is disposed at an outer surface of the first substrate, and a second polarizer (24) is disposed at an outer surface of the second substrate. Polarizing axes of the first and second polarizers are parallel to each other. A plurality of pixel electrodes (27) and common electrodes (26) are disposed at the second substrate. A first alignment film (213) is disposed at an inner surface of the first substrate, and a second alignment film (224) is disposed at an inner surface of the second substrate. The first alignment film maintains a rubbing angle of approximately 90° relative to the second alignment film.

Abstract: An exemplary LCD (200) includes gate lines (23), data lines (24); a gradation voltage adjusting circuit (26) for receiving the gradation voltages respectively corresponding to the j, j+1, k, and k+1 frames interchanging the j+1 frame gradation voltage and the k frame gradation voltage when a first voltage difference between j frame gradation voltage and j+1 frame gradation voltage is less than a second voltage difference between j frame gradation voltage and k frame gradation voltage; a memory circuit (28) for storing the gradation voltages corresponding to the frames 1, 2, . . . j, j+2, . . . k?1, k+1 . . . h and storing the interchanged gradation voltages corresponding to the frames j+1 and k; and a gate driver (21) for receiving the gradation voltages stored in the memory circuit. A smallest rectangular area formed by any two adjacent gate lines together with any two adjacent data lines defines a pixel unit thereat.

Abstract: A continuous domain vertical alignment liquid crystal display (2) has a first substrate (21), a second substrate (22), and liquid crystal molecules (26) interposed between the substrates. A plurality of curved slits (211) and a plurality of curved protrusions (221) are disposed at insides of the substrates respectively. When an electric field is applied between the substrates, the liquid crystal molecules are inclined to be oriented parallel to the substrates. In addition, the curved slits and the curved protrusions affect the orientations of the liquid crystal molecules, such that the liquid crystal molecules are directed to incline in various directions in smooth continuums. The visual effect of the continuous domain vertical alignment liquid crystal display is the sum of multiple smooth continuous domains. Thus the continuous domain vertical alignment liquid crystal display provides a more even display performance at various different viewing angles.

Abstract: An exemplary multi-domain vertical alignment LCD (200) includes a common electrode, a pixel electrode and a liquid crystal layer sandwiched between the common electrode and the pixel electrode. The LCD is regularly devided into a plurality of frist and second sub-pixel regions (250, 260). The first sub-pixel region corresponding to two of the first protrusions (241), one of the second protrusions (242), one of the first slits (281), and two of the second slits (282), a second sub-pixel region corresponding to two of the third protrusions (243), one of the fourth protrusions (244), one of the third slits (283), and two of the fourth slits (284), a first ratio of first distance between the first slit and the second slit to a first width of the first slit is less than second ratio of second distance between the third slit and the fourth slit to second width of the third slit.

Abstract: An exemplary multi-domain vertical alignment liquid crystal display (1) includes a common electrode, a pixel electrode and a liquid crystal layer sandwiched between the common electrode and the pixel electrode. The common electrode, the pixel electrode and the liquid crystal layer are regularly divided into pixel regions. Each pixel region includes a first sub-pixel region (201), a second sub-pixel region (202), a third sub-pixel region (203), and a fourth sub-pixel region (204). Each sub-pixel region includes a protrusion structure (116, 117) at an inner surface of the common electrode. The first sub-pixel region and the third sub-pixel region define a first slit (126) in the pixel electrode, respectively, and have different data voltages applied thereto. The second sub-pixel region and the fourth sub-pixel region define a second slit (127) in the pixel electrode, respectively, and have different data voltages applied thereto.

Abstract: An exemplary fringe field switching liquid crystal display device (3) includes a first substrate (310) and a second substrate (320) disposed parallel to each other and spaced apart a predetermined distance. A liquid crystal layer (300) is interposed between the first and second substrates. A plurality of gate lines (332) and data lines (331) are formed on the second substrate, thereby defining a plurality of pixel regions. A common electrode (321) is arranged in each pixel region. And a pixel electrode (323) is arranged in each pixel region and insulated from the common electrode, the pixel electrode including a plurality of slits (350) arranged therein. The slits are separate from each other and maintain varied angles including oblique angles relative to the nearest gate lines.

Abstract: An exemplary liquid crystal display (LCD) (200) includes a first substrate (210); a second substrate (230) opposite to the first substrate; a liquid crystal layer (250) sandwiched between the first substrate and the second substrate; a first common electrode (211), a first insulating layer (212), and pixel electrodes provided at an inner surface of the first substrate in that order; and second common electrodes (231) and floating electrodes (233) provided at the second substrate. The first common electrode and the pixel electrodes, and the second common electrodes and the floating electrodes, respectively produce two electric fields in the liquid crystal layer corresponding to each other. A combined electric field strength is uniformly distributed in the liquid crystal layer, so that all the liquid crystal molecules can be sufficiently twisted. Thus a viewing angle, a degree of chroma, and a transmission ratio of the LCD are improved.

Abstract: A fringe field switching liquid crystal display (FFS-LCD) device (200) includes a first substrate (210) and a second substrate (220) disposed opposite to each other and spaced apart a predetermined distance, a liquid crystal layer (250) interposed between the first and second substrates, a plurality of gate lines (233) and data lines (234) formed on the second substrates, thereby defining a plurality of pixel regions, and a plurality of pixel electrodes (223) and a plate-like common electrode (221) provided in each of the pixel regions. The pixel electrodes have a plurality of curving comb portions so as to generate a continuous variation electric field between the pixel and common electrodes. Liquid crystal molecules in the FFS-LCD device are twisted in different continuous directions so as to reduce the color shift.

Abstract: A reflective type IPS LCD includes a transparent upper substrate (100) and a lower substrate (200), and liquid crystal molecules (300) interposed between the substrates. A reflection layer (250) is disposed on the lower substrate. A plurality of gate lines (170) and a plurality of data lines (180) are formed on the upper substrate, thereby defining a plurality of pixel regions arranged in a matrix. Each pixel region includes pixel electrodes (210) and common electrodes (220). The pixel electrodes and the common electrodes have a bent configuration, and are spaced apart from each other. Therefore the electric field generated by them is along two directions, and the LCD exhibits a two-domain display effect. When viewing the LCD display from any oblique angle, the color shifts generated by the two domains counteract, and thus the overall color shift of the display is small.