摘要:
A method for generating data for driving a display panel is provided in which first compensation data of (N+k) bits, corresponding to grayscale data of N bits, is generated, wherein values of N and k are natural numbers. A first gamma curve is applied to the first compensation data of (N+k) bits. Second compensation data of (N+k) bits, corresponding to the grayscale data of N bits, is generated. A second gamma curve is applied to the second compensation data of (N+k) bits. The first compensation data or the second compensation data are selectively output and converted into analog data signals. The analog data signals are output to a data line. Accordingly, the first compensation data and second compensation data includes a multidomain structure which improves display quality. A data driving circuit and a display device including the data driving circuit for performing the method are also provided.
摘要:
A display apparatus includes a display panel, a timing controller and a data driver. The display panel includes a plurality of unit pixels respectively including a first sub-pixel and a second sub-pixel. The timing controller includes a first compensation unit which receives grayscale data corresponding to the unit pixels and generates first compensation data of the grayscale data using offset values of first sample compensation data sampled from a first gamma curve. The data driver includes a second compensation unit which generates second compensation data of the grayscale data using second sample compensation data sampled from a second gamma curve and the first compensation data. Accordingly, the first and second compensation data comprise color compensation data, which improve image quality. A method for driving the display panel of the display apparatus is also provided.
摘要:
A display apparatus includes a display panel, a timing controller and a data driver. The display panel includes a plurality of unit pixels respectively including a first sub-pixel and a second sub-pixel. The timing controller includes a first compensation unit which receives grayscale data corresponding to the unit pixels and generates first compensation data of the grayscale data using offset values of first sample compensation data sampled from a first gamma curve. The data driver includes a second compensation unit which generates second compensation data of the grayscale data using second sample compensation data sampled from a second gamma curve and the first compensation data. Accordingly, the first and second compensation data comprise color compensation data, which improve image quality. A method for driving the display panel of the display apparatus is also provided.
摘要:
A gamma voltage generator for a liquid crystal display (LCD) capable of removing residual images by compensating a gamma voltage is presented. The gamma voltage generation apparatus adjusts the common voltage by the kickback voltage for the intermediate gray level, and tunes the gamma voltages other than the intermediate gray level gamma voltage. The adjustment of the gamma voltages other than the intermediate gray level gamma voltage is achieved in such a manner that the difference between the intermediate gray level kickback voltage and the kickback voltage at one of the gray levels other than the intermediate gray level is equal to half of the difference between the sum of the two inverted gamma voltages representing the intermediate gray level gamma voltages and the sum of the two inverted gamma voltages corresponding to the selected gray level.
摘要:
In a method of local dimming a light source, which includes driving a light source including a plurality of light-emitting blocks by individually driving the light-emitting blocks, the dimming level of each light-emitting block is determined. In the method, the luminance of a first light-emitting area may be adjusted according to a size of the first light-emitting area corresponding to a display area in which an image having a maximum luminance is displayed.
摘要:
A first resistor string provides a plurality of first polarity gamma-reference-voltages. A second resistor string provides a plurality of second polarity gamma-reference-voltages. A first main-thermal compensation section exhibits a resistance value that increases with an increase of temperature. A second main-thermal compensation section has a resistance value that is decreases with an increase of temperature. Thus, gamma-reference-voltages corresponding to white gradation are decreased and gamma-reference-voltages corresponding to black gradation are maintained, so that a deviation of kickback voltage corresponding to the white gradation is decreased.
摘要:
A scan driver employs an impulse-type display so as to display a moving picture. A display panel includes a plurality of pixels having a first switching elements and a second switching element that is coupled to one of clear lines and one of data lines. A data driver provides a picture signal to the data lines. A scan driver provides a first control signal to the scan lines so that the pixel may be charged with the picture signal, and provides a second control signal to the clear lines so that the picture signal charged in the pixel may be discharged via the second switching element. Accordingly, display characteristics of a moving picture of a display device having the scan driver may be enhanced.
摘要:
Disclosed is a liquid crystal display having a dual bank data driver structure and a driving method thereof. The liquid crystal display includes an LCD panel including a plurality of gate lines, a plurality of adjacent data line groups having an even number of data lines disposed on the LCD panel intersecting the gate lines, and a plurality of pixels arranged in a matrix and each having a switching element connected to the gate lines and the data lines; a gate driver successively applying gate ON voltage to the gate lines to turn on the switching elements; and first and second data drivers provided on opposing sides of the LCD panel and to which the data line groups are alternately connected, the first and second data drivers applying grey voltage corresponding to color signals to the data lines via output terminals. The method of driving the LCD includes the steps of applying gate ON voltage successively to the gate lines, and applying grey voltage to the data lines in units of lines through the first and second data drivers.
摘要:
A display apparatus includes a first pixel including a first pixel electrode connected to first data and gate lines, a second pixel including a second pixel electrode connected to a second data and gate lines, a third pixel including a third pixel electrode connected to a third data line and the first gate line, a fourth pixel including a fourth pixel electrode connected to a fourth data line and the second gate line, a fifth pixel including a fifth pixel electrode connected to a fifth data line and the second gate line, a sixth pixel including a sixth pixel electrode connected to a sixth data line and the first gate line, a seventh pixel including a seventh pixel electrode connected to a seventh data line and the second gate line, and an eighth pixel including an eighth pixel electrode connected to an eighth data line and the first gate line.
摘要:
Disclosed is a method of driving a display panel, which includes a plurality of data lines, a plurality of gate lines, a first pixel column electrically connected to an N-th gate line and a second pixel column electrically connected to an (N+1)-th gate line adjacent to the N-th gate line (wherein N is a natural number). In the method, compensation data of the first pixel for compensating for a kickback deviation between the first and second pixel columns is generated using first data and second data corresponding to the first and second pixel columns, respectively. The compensation data of the first pixel column and the second data of the second pixel column are converted to data voltages of an analog type to output the data voltages to the data lines.