Abstract: Disclosed herein is a local dimming driving method and device of an LCD device, which is capable of compensating for a luminance deviation between blocks.

Abstract: Disclosed is a method for analyzing a light profile of a light source for reducing capacity of a memory which is to store light profile data and device and method for driving local dimming of a liquid crystal display device by using the same. The method for analyzing a light profile of a light source includes driving a light source of one of a plurality of blocks which divide a backlight unit, setting a light analyzing region matched to one light emission region of the light source, dividing the light analyzing region into at least two symmetric regions considering a form of the light emission region and symmetry of the light emission region, and analyzing and storing a light profile of one of the at least two symmetric regions.

Abstract: A method of driving a liquid crystal display device includes extracting brightness components of a portion of the first data for a current frame, arranging the brightness components for the current frame into a brightness histogram, retrieving brightness histograms for at least two frames prior to the current frame to generate an average histogram, generating second data for the current frame based on the average histogram, comparing the histogram for the current frame with the average histogram to determine whether an image at the current frame is a moving image or a still image, and driving the liquid crystal display device in accordance with one of the first data and the second data based on the comparison result.

Abstract: A method of driving a liquid crystal display device includes extracting brightness components of a portion of the first data for a current frame, arranging the brightness components for the current frame into a brightness histogram, retrieving brightness histograms for at least two frames prior to the current frame to generate an average histogram, generating second data for the current frame based on the average histogram, comparing the histogram for the current frame with the average histogram to determine whether an image at the current frame is a moving image or a still image, and driving the liquid crystal display device in accordance with one of the first data and the second data based on the comparison result.

Abstract: A detachable liquid crystal display device includes a liquid crystal module and a cradle. The liquid crystal module includes a liquid crystal panel, an optical sheet provided on a rear surface of the liquid crystal panel, an interface disposed on a rear surface of the liquid crystal panel, a power receiver disposed on the rear surface of the liquid crystal panel, a memory card and a timing controller for receiving second image data from external devices and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel. The cradle includes a lamp emitting light, an inverter for supplying alternating current to the lamp, a connector for receiving third image data from external equipment, and an interface converter for applying the third image data to the interface of the liquid crystal module.

Abstract: A detachable liquid crystal display device includes a liquid crystal module and a cradle. The liquid crystal module includes a liquid crystal panel, an optical sheet provided on a rear surface of the liquid crystal panel, an interface disposed on a rear surface of the liquid crystal panel, a power receiver disposed on the rear surface of the liquid crystal panel, a memory card and a timing controller for receiving second image data from external devices and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel. The cradle includes a lamp emitting light, an inverter for supplying alternating current to the lamp, a connector for receiving third image data from external equipment, and an interface converter for applying the third image data to the interface of the liquid crystal module.

Abstract: A multi-panel display device and a method of driving the same, which can simplify a driving circuit for driving multiple flat panel display devices, thereby decreasing the fabrication cost, are disclosed. In the device configured of an alignment of multiple flat panel display devices for representing a single image, the device comprises multiple flat panel display devices, wherein each flat panel display device includes a display panel configured of a plurality of pixel regions, a data driver driving a plurality of data lines provided in the display panel, and a timing controller receiving image data and synchronization signals from an external source so as to divide the received image data, converting a signal frequency of at least one of the synchronization signals, and converting a size of the divided image data in accordance with the frequency-converted synchronization signal, thereby providing the size-converted divided image data to the data driver.

Abstract: A projector assembly having a mobile terminal, a first light source and a projection lens is provided. The mobile terminal has a display and a body where the display includes a first flat display panel and the body includes an input device. The first light source supplies light to the first flat display panel. The first flat display panel displays images using the light from the first light source. The projection lens projects the images displayed in the first flat display panel.

Abstract: A detachable liquid crystal display device includes a liquid crystal module and a cradle. The liquid crystal module includes a liquid crystal panel; an optical sheet provided on a rear surface of the liquid crystal panel; an interface disposed on a rear surface of the liquid crystal panel; a power receiver disposed on the rear surface of the liquid crystal panel; a memory card; and a timing controller for receiving second image data from external devices and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel. The cradle includes a lamp emitting light; an inverter for supplying alternating current to the lamp; a connector for receiving third image data from external equipment; and an interface converter for applying the third image data to the interface of the liquid crystal module.

Abstract: A method of driving a liquid crystal display including a color filter array having a plurality of red, green, blue and white color filters includes applying first driving signals to first liquid crystal cells during one frame interval, the first liquid crystal cells being overlapped by the red, green and blue color filters, respectively, applying a second driving signal to a second liquid crystal cell during a partial period of the one frame interval, the second liquid crystal cell being overlapped by the white color filter, and applying a third driving signal different from the second driving signal to the second liquid crystal cell during a remaining period of the one frame interval.

Abstract: An apparatus and method for driving a light source of a liquid crystal display device are provided. The apparatus includes a liquid crystal display panel, a backlight unit including a plurality of light emitting diodes (LEDs) to irradiating light to the liquid crystal display panel, and a driver to selectively drive the LEDs and selectively control a brightness of light generated by the LEDs.

Abstract: A liquid crystal display device includes a conversion portion processing a plurality of data signals to increase at least one of a plurality of gray levels of the plurality of n-bit data signals; a liquid crystal panel including a plurality of pixels supplied with the plurality of data signals processed; a light source supplying light to the liquid crystal panel; and a light source control portion adjusting a light luminance in inverse proportion to increasing the at least one of the plurality of gray levels.

Abstract: A flexible display device for improving reliability, and a fabricating method thereof are disclosed. In the method of fabricating the flexible display device, an insulating protective layer is formed at one side of a glass substrate. A display device including a thin film transistor array and a pad part, which is connected to the thin film transistor array, is formed on the insulating protective layer. A flexible substrate is attached on the display device. And the glass substrate is removed.

Abstract: A flexible display device and a method for manufacturing a flexible display are provided. The flexible display device includes a flexible substrate, a display element layer formed on the flexible substrate; an insulating protective layer covering the display element layer; and a rigid substrate. The rigid substrate has an etching selectivity at least 20 times greater than that of the insulating protective layer.

Abstract: A driving method and apparatus for a liquid crystal display for minimizing motion blur in a moving picture as well as displaying a fresh and dynamic image is disclosed. In the driving method, data inputted from the exterior are converted into brightness components to produce a histogram for each frame. A control value is extracted from various characteristics of the histogram. Turn-on times of a plurality of lamps positioned in such a manner to overlap with a liquid crystal display panel are controlled in correspondence with the control value.

Abstract: The liquid crystal display device includes a histogram analyzer analyzing a histogram of an input image and determining the input image as being in one of a low brightness mode, a normal mode, and a high brightness mode based on the histogram analysis, a back light controller controlling a maximum brightness of a back light unit based on the mode determination, and a data modulator enlarging the histogram of the input image to modulate data of the input image. The histogram analyzer detects a most frequent value of gray scale occurring most frequently in the input image of one frame, compares the most frequent value with a predetermined low reference gray value and a predetermined high reference gray value, and determines the input image as in one of the low brightness mode, the normal mode, and the high brightness mode based on the compared result.

Abstract: A driving apparatus of a light emitting diode and a liquid crystal display are disclosed. The driving apparatus of a LED includes a plurality of LED groups in which LEDs are connected in series to each other; a plurality of constant voltage supply units that supplies a constant voltage required to drive a constant current to each of the plurality of LED groups and that outputs the constant voltage in which an output voltage is equal to or lower than an input voltage; and a pulse width modulation signal supply unit that supplies a pulse width modulation signal to each of the constant voltage supply units.

Abstract: An apparatus for driving an LCD device includes an image display unit having liquid crystal cells in respective regions defined by a plurality of gate and data lines; an over-driving apparatus to detect a signal of a moving image based on a source data and to detect modulated data based on the detected signal, the modulated data changes a response speed of a liquid crystal based on the detected signal; a gate driver to supply scan signals to the gate lines; a data driver to convert the modulated data into analog video signals and to supply the analog video signals to the data lines; and a timing controller to align the modulated data and to generate data control signal and gate control signal, the timing controller outputs the aligned data and the data control signal to the data driver and outputs the gate control signal to the gate driver.

Abstract: A backlight assembly includes at least one backlight sub-unit, the backlight sub-unit including a light emitting diode (LED) unit that includes at least one LED that emit a predetermined color arranged in a predetermined pattern and a sidewall surrounding the LED unit.

Abstract: A lamp driving apparatus of a liquid crystal display device includes m lamp groups in which a plurality of lamps generating light are disposed; n (n<m) inverter parts to generate an AC voltage for driving the lamps; an inverter controller to control the inverter parts; and a multiplexer to selectively supply the AC voltage generated at the n inverter parts to the n lamp groups among the m lamp groups. In each frame, a clock signal is divided into n divided signals. Different sets of lamp groups are driven during each of the divided signals.