KR20080003193A - Lcd and drive method thereof - Google Patents

Abstract

An LCD and a method of driving the same are provided to perform a document work in a color area referring to an image displayed in a black and white area by dividing an LCD(liquid crystal display) panel into a color area, where a color filter is formed, and a black/white area, where a color filter is not formed. An LCD panel(210) includes a color area where a color filter is formed and a black and white area where a color filter is not formed. In the color area, a plurality of first data lines(DL1-1~DL1-i) intersect a plurality of first gate lines(GL1-1~GL1-n) to define first pixels in the intersections, respectively. In the black and white area, a plurality of second data lines(DL2-1~DL2-m) intersect a plurality of second gate lines(GL2-1~GL2-k) to define second pixels in the intersections, respectively. A timing control unit supplies first digital data to control a driving timing of the color area and supplies second digital data to control a driving timing of the black and white area. A first data driving unit(240) converts the first digital data inputted from the timing control unit into an analog data voltage to supply the converted voltage to the first data lines. A second data driving unit(250) converts the second digital data inputted from the timing control unit into an analog data voltage to supply the converted voltage to the second data lines. A first gate driving unit(260) sequentially supplies scan pulses to the first gate lines in response to control of the timing control unit. A second gate driving unit(270) sequentially supplies scan pulses to the second gate lines in response to control of the timing control unit.

Description

Liquid crystal display and driving method thereof

1 is an equivalent circuit diagram of a pixel formed in a general liquid crystal display device.

2 is a block diagram of a conventional liquid crystal display device.

3 is a block diagram of a liquid crystal display according to an embodiment of the present invention.

4A to 4C are exemplary views illustrating an arrangement structure of a color region and a black and white region formed on the liquid crystal display panel of FIG. 3.

5 is a configuration diagram of a liquid crystal display according to another exemplary embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

100, 200: liquid crystal display device 110, 210: liquid crystal display panel

120: data driver 130: gate driver

140: gamma reference voltage generator 150: backlight assembly

160: inverter 170: common voltage generator

180: gate driving voltage generator 190: timing controller

220: first timing controller 230: second timing controller

240: first data driver 250: second data driver

260: first gate driver 270: second gate driver

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device, and more particularly, to a liquid crystal display device and a driving method thereof capable of displaying the liquid crystal display panel in a color region and a black and white region.

A liquid crystal display device displays an image by adjusting light transmittance of liquid crystal cells according to a video signal, and an active matrix type liquid crystal display device in which a switching element is formed for each liquid crystal cell enables active control of the switching element. This is advantageous for video implementation. As the switching element used in the active matrix liquid crystal display device, a thin film transistor (hereinafter referred to as TFT) is mainly used as shown in FIG. 1.

Referring to FIG. 1, an active matrix type liquid crystal display converts digital input data into an analog data voltage based on a gamma reference voltage and supplies it to the data line DL and simultaneously supplies scan pulses to the gate line GL. The liquid crystal cell Clc is charged.

The gate electrode of the TFT is connected to the gate line GL, the source electrode is connected to the data line DL, and the drain electrode of the TFT is connected to the pixel electrode of the liquid crystal cell Clc and one electrode of the storage capacitor Cst. Connected.

The common voltage Vcom is supplied to the common electrode of the liquid crystal cell Clc.

The storage capacitor Cst charges a data voltage applied from the data line DL when the TFT is turned on, thereby maintaining a constant voltage of the liquid crystal cell Clc.

When the scan pulse is applied to the gate line GL, the TFT is turned on to form a channel between the source electrode and the drain electrode so that the voltage on the data line DL is applied to the pixel electrode of the liquid crystal cell Clc. Supply. At this time, the liquid crystal molecules of the liquid crystal cell Clc modulate the incident light by changing the arrangement by the electric field between the pixel electrode and the common electrode.

A configuration of a conventional liquid crystal display device having pixels having such a structure will be described with reference to FIG. 2.

2 is a block diagram of a conventional liquid crystal display device.

Referring to FIG. 2, the liquid crystal display 100 according to the related art includes a thin film transistor for driving the liquid crystal cell Clc at the intersection of the data lines DL1 to DLm and the gate lines GL1 to GLn. TFT: a thin film transistor (110) having a thin film transistor (110), a data driver (120) for supplying data to the data lines (DL1 to DLm) of the liquid crystal display panel 110, the liquid crystal display panel 110 A gate driver 130 for supplying scan pulses to the gate lines GL1 to GLn of the gate lines, a gamma reference voltage generator 140 for generating a gamma reference voltage and supplying it to the data driver 120, and a liquid crystal display panel The backlight assembly 150 for irradiating light to the 110, the inverter 160 for applying an alternating voltage and current to the backlight assembly 150, and a common voltage Vcom are generated to generate the liquid crystal display panel 110. Common voltage generator 170 for supplying the common electrode of the liquid crystal cell Clc of Controlling the gate driver voltage generator 180, the data driver 120, and the gate driver 130 to generate and supply the gate high voltage VGH and the gate low voltage VGL to the gate driver 130. A timing controller 190 is provided.

In the liquid crystal display panel 110, liquid crystal is injected between two glass substrates. The data lines DL1 to DLm and the gate lines GL1 to GLn are orthogonal to the lower glass substrate of the liquid crystal display panel 110. TFTs are formed at intersections of the data lines DL1 to DLm and the gate lines GL1 to GLn. The TFT supplies the data on the data lines DL1 to DLm to the liquid crystal cell Clc in response to the scan pulse. The gate electrodes of the TFTs are connected to the gate lines GL1 to GLn, and the source electrodes of the TFTs are connected to the data lines DL1 to DLm. The drain electrode of the TFT is connected to the pixel electrode of the liquid crystal cell Clc and the storage capacitor Cst.

The TFT is turned on in response to the scan pulse supplied to the gate terminal via the gate lines GL1 to GLn. When the TFT is turned on, video data on the data lines DL1 to DLm is supplied to the pixel electrode of the liquid crystal cell Clc.

The data driver 120 supplies data to the data lines DL1 to DLm in response to the data driving control signal DDC supplied from the timing controller 190, and digital video data supplied from the timing controller 190. (RGB) is sampled and latched, and then converted into an analog data voltage capable of expressing gray scales in the liquid crystal cell Clc of the liquid crystal display panel 110 based on the gamma reference voltage supplied from the gamma reference voltage generator 140. Supply to the data lines DL1 to DLm.

The gate driver 130 sequentially generates scan pulses, that is, gate pulses, in response to the gate driving control signal GDC and the gate shift clock GSC supplied from the timing controller 190, thereby providing the gate lines GL1 to GLn. To feed. In this case, the gate driver 130 determines the high level voltage and the low level voltage of the scan pulse based on the gate high voltage VGH and the gate low voltage VGL supplied from the gate driving voltage generator 180.

The gamma reference voltage generator 140 receives a high potential power supply voltage VDD to generate a positive gamma reference voltage and a negative gamma reference voltage and output the same to the data driver 120.

The backlight assembly 150 is disposed on the rear surface of the liquid crystal display panel 110 and emits light by an AC voltage and a current supplied from the inverter 160 to irradiate light to each pixel of the liquid crystal display panel 110.

The inverter 160 converts the square wave signal generated therein into a triangular wave signal and compares the triangular wave signal with a DC power supply voltage (VCC) supplied from the system to generate a burst dimming signal proportional to the comparison result. . When a burst dimming signal determined according to an internal square wave signal is generated, a driving IC (not shown) for controlling the generation of AC voltage and current in the inverter 160 is supplied to the backlight assembly 150 according to the burst dimming signal. Control the generation of alternating voltage and current.

The common voltage generator 170 receives the high potential power voltage VDD to generate the common voltage Vcom and supplies the common voltage Vcom to the common electrodes of the liquid crystal cells Clc of each pixel of the liquid crystal display panel 110.

The gate driving voltage generator 180 receives the high potential power voltage VDD to generate the gate high voltage VGH and the gate low voltage VGL to supply the gate driver 130 to the gate driver 130. Here, the gate driving voltage generation unit 180 generates a gate high voltage VGH that is greater than or equal to the threshold voltage of the TFTs provided in each pixel of the liquid crystal display panel 110, and the gate low voltage that is less than or equal to the threshold voltage of the TFT. VGL). The gate high voltage VGH and the gate low voltage VGL generated as described above are used to determine the high level voltage and the low level voltage of the scan pulse generated by the gate driver 130, respectively.

The timing controller 190 supplies digital video data RGB, which is supplied from an image processing scaler (not shown) included in a system such as a television receiver or a computer monitor, to the data driver 120, and also provides a clock signal CLK. The data driving control signal DDC and the gate driving control signal GDC are generated using the horizontal / vertical synchronizing signals H and V and supplied to the data driver 120 and the gate driver 130, respectively. The data driving control signal DDC includes a source shift clock SSC, a source start pulse SSP, a polarity control signal POL, a source output enable signal SOE, and a gate driving control signal GDC. ) Includes a gate start pulse (GSP) and a gate output enable (GOE).

In the conventional liquid crystal display device having such a configuration and function, since the liquid crystal display panel 110 has only one display area, it is impossible to display different images at the same time.

For example, when a doctor prepares a medical certificate using a conventional image display apparatus equipped with a conventional liquid crystal display device, the patient's readout image (X-ray) is arranged separately from the image display apparatus. There is a hassle of paperwork to do.

The present invention has been made to solve the above problems, and an object of the present invention is to separate the liquid crystal display panel into a color region in which the color filter is formed and a black and white region in which the color filter is not formed; It is to provide a driving method thereof.

Disclosure of Invention An object of the present invention is to provide a liquid crystal display device and a method of driving the same, by separating and displaying a liquid crystal display panel into a color region and a black and white region, so that a document operation can be performed in the color region with reference to an image displayed in the black and white region. have.

According to an exemplary embodiment of the present invention, a liquid crystal display includes a color region in which a color filter is formed and a black and white region in which no color filter is formed, and includes a plurality of first data lines in the color region. And a plurality of first gate lines intersect with each other, and first pixels are formed in intersection regions thereof, and a plurality of second data lines and a plurality of second gate lines intersect with each other in the monochrome region. A liquid crystal display panel in which two pixels are formed; A timing controller for controlling driving timing of the color region by supplying first digital data and controlling driving timing of the black and white region by supplying second digital data; A first data driver configured to convert the first digital data input from the timing controller into an analog data voltage and supply the first digital data to the first data lines; A second data driver for converting the second digital data input from the timing controller into an analog data voltage and supplying the second data lines to the second data lines; A first gate driver for sequentially supplying scan pulses to the first gate lines in response to the control of the timing controller; And a second gate driver for sequentially supplying scan pulses to the second gate lines under the control of the timing controller. Here, a low resolution to high resolution screen is displayed in the color area, and a high resolution to ultra high resolution screen is displayed in the black and white area.

The timing controller may include a first timing controller configured to supply the first digital data to the first data driver to control driving timing of the color area; And a second timing controller for supplying the second digital data to the second data driver to control driving timing of the black and white region.

A method of driving a liquid crystal display device according to an embodiment of the present invention, the method comprising: supplying first digital data; Converting the first digital data into analog data and supplying the first digital data to the color area and sequentially supplying a first scan pulse to the color area; Supplying second digital data; And converting the second digital data into analog data and supplying the analog data to the black and white region, and simultaneously supplying a second scan pulse to the black and white region.

A liquid crystal display according to another exemplary embodiment of the present invention has a color region in which a color filter is formed and a black and white region in which no color filter is formed, and a plurality of first data lines and a plurality of gate lines intersect the color region. First pixels are formed at intersections thereof, a plurality of second data lines and the plurality of gate lines are intersected at the black and white areas, and second pixels are formed at the intersections; A timing controller for controlling driving timing of the color region by supplying first digital data and controlling driving timing of the black and white region by supplying second digital data; A first data driver configured to convert the first digital data input from the timing controller into an analog data voltage and supply the first digital data to the first data lines; A second data driver for converting the second digital data input from the timing controller into an analog data voltage and supplying the second data lines to the second data lines; And a gate driver for sequentially supplying scan pulses to the gate lines under the control of the timing controller.

A driving method of a liquid crystal display device according to another embodiment of the present invention, comprising: supplying first digital data; Sequentially supplying scan pulses to the color region and the black and white region; While the scan pulse is supplied, converting the first digital data into analog data and supplying the analog data to the color gamut; Supplying second digital data; And converting the second digital data into analog data while supplying the scan pulse to the monochrome region.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

3 is a block diagram of a liquid crystal display according to an exemplary embodiment of the present invention. 3 is the same as the liquid crystal display 100 of FIG. 2, the gamma reference voltage generator 140, the backlight assembly 150, and the inverter ( 160, a common voltage generator 170, and a gate driving voltage generator 180, these components are not shown in FIG. 3 for convenience of description.

Referring to FIG. 3, the liquid crystal display 200 of the present invention has a color region in which a color filter (not shown) is formed and a black and white region in which no color filter is formed, and includes a plurality of data lines DL1 in the color region. -1 to DL1-i and a plurality of gate lines GL1-1 to GL1-n intersect with each other, pixels are formed in the intersections thereof, and a plurality of data lines DL2-1 to DL2 in the monochrome region. -m) and a plurality of gate lines GL2-1 to GL2-k intersect each other, and the first digital data is supplied to the liquid crystal display panel 210 in which pixels are formed in the intersection regions, and the timing of driving the color region. The first timing controller 220 for controlling the control, the second timing controller 230 for controlling the driving timing of the black and white region by supplying the second digital data, and the first input from the first timing controller 220 By converting digital data into analog data voltage, A plurality of data lines by converting the first data driver 240 and the second digital data input from the second timing controller 230 into analog data voltages for supplying the data lines DL1-1 to DL1-i. Scans the plurality of gate lines GL1-1 to GL1-n under control of the second data driver 250 and the first timing controller 220 for supplying the data to the first and second DL2-1 to DL2-m. In order to sequentially supply scan pulses to the plurality of gate lines GL2-1 to GL2-k under the control of the first gate driver 260 and the second timing controller 230. The second gate driver 270 is provided.

The display area of the liquid crystal display panel 210 is divided into a color area in which a low resolution to high resolution screen is displayed and a black and white area in which a high resolution to ultra high resolution screen is displayed. The color area and the black and white area of the liquid crystal display panel 210 may be implemented such that the same resolution screen is displayed.

A plurality of data lines DL1-1 through DL1-i and a plurality of gate lines GL1-1 through GL1-n cross each other in the color area, and pixels are formed in the intersection areas, respectively. A thin film transistor (TFT) for driving the liquid crystal cell Clc is formed in the pixels. Here, the pixels formed in the color gamut are composed of R subpixels, G subpixels, B subpixels, and W subpixels, and R subpixels, G subpixels, B subpixels, and W subpixels are arranged in quads. To form the pixel. In particular, the color filter is formed in the liquid crystal display panel 210 of the color region, and the image for television, the computer image, etc. are displayed in the color region. In addition, the present invention may arrange R subpixels, G subpixels, B subpixels, and W subpixels in a stripe type.

A plurality of data lines DL2-1 through DL2-m and a plurality of gate lines GL2-1 through GL2-k intersect each other in the black and white region, and pixels are formed in the intersection regions, respectively. A thin film transistor for driving the cell Clc is formed. Here, the color filter is not formed in the liquid crystal display panel 210 in the black and white area, and the black and white area includes an image requiring high resolution to ultra high resolution, such as an X-ray of a patient. Is displayed.

The color area and the black and white area are separated from left and right as shown in FIG. 4A, and the color area and the black and white area may be separated into 16: 9, but are not limited thereto and may be separated into 1: 1.

The color area and the black and white area can be separated up and down as shown in FIG. 4B.

The color area may be disposed to occupy the entire area of the screen as shown in FIG. 4C, and the black and white area may be disposed at the corner of the entire area of the screen.

Meanwhile, the pixels formed in the color gamut may be implemented as stripe type RGB subpixels.

The first timing controller 220 supplies the first video data supplied from the system to the first data driver 240 and uses the horizontal / vertical synchronization signals H and V according to the clock signal CLK. The driving control signal DDC and the gate driving control signal GDC are generated and supplied to the first data driver 240 and the first gate driver 260, respectively.

The second timing controller 230 supplies second video data supplied from the system to the second data driver 250, and also uses the horizontal / vertical synchronization signals H and V according to the clock signal CLK. The driving control signal DDC and the gate driving control signal GDC are generated and supplied to the second data driver 250 and the second gate driver 270, respectively.

The data driving control signal DDC includes a source shift clock SSC, a source start pulse SSP, a polarity control signal POL, a source output enable signal SOE, and a gate driving control signal GDC. ) Includes a gate start pulse (GSP) and a gate output enable (GOE).

The first data driver 240 supplies data to the data lines DL1-1 to DL1-i in response to the data driving control signal DDC supplied from the first timing controller 220. The first digital data supplied from the controller 220 is sampled and latched, and then an analog capable of expressing gray scales in the liquid crystal cell Clc of the color gamut based on the gamma reference voltage supplied from the gamma reference voltage generator 140. The data voltage is converted into a data voltage and supplied to the data lines DL1-1 through DL1-i.

The second data driver 250 supplies data to the data lines DL2-1 to DL2-m in response to the data driving control signal DDC supplied from the second timing controller 230, where the second timing is provided. After sampling and latching the second digital data supplied from the controller 230, the analog data capable of expressing gray scales in the liquid crystal cell Clc of the black and white region based on the gamma reference voltage supplied from the gamma reference voltage generator 140. The voltage is converted into a voltage and supplied to the data lines DL2-1 to DL2-m.

The first gate driver 260 sequentially generates scan pulses in response to the gate driving control signal GDC and the gate shift clock GSC supplied from the first timing controller 220 to generate the gate lines GL1 of the color region. -1 to GL1-n).

The second gate driver 270 sequentially generates scan pulses in response to the gate driving control signal GDC and the gate shift clock GSC supplied from the second timing controller 230 to generate the gate lines GL2 of the black and white region. -1 to GL2-k).

As described above, the liquid crystal display device according to an embodiment of the present invention, by driving the color region and the black and white region of the liquid crystal display panel separately and simultaneously or alternatively driven, the patient reads the patient is displayed in the black and white region This allows you to write a medical certificate in the color area. In addition, since a patient readout for displaying a high resolution to an ultra high resolution is displayed in the black and white area, it is preferable to implement the color area in the low resolution to the high resolution and the black and white area in the high resolution to the ultra high resolution.

5 is a configuration diagram of a liquid crystal display according to another exemplary embodiment of the present invention. However, the liquid crystal display device 300 of the present invention shown in FIG. 5 is the same as the liquid crystal display device 100 shown in FIG. 2, the gamma reference voltage generator 140, the backlight assembly 150, and the inverter ( 160, a common voltage generator 170, and a gate driving voltage generator 180, but these components are not shown in FIG. 5 for convenience of description.

Referring to FIG. 5, the liquid crystal display 300 according to another exemplary embodiment of the present invention has a color region in which a color filter (not shown) is formed and a black and white region in which the color filter is not formed, and includes a plurality of color regions in the color region. The data lines DL1-1 to DL1-i and the gate lines GL1 to GLn intersect with each other, and pixels are formed at intersections thereof, and the data lines DL2 -1 to black and white areas. To control the driving timing of the color region by supplying first liquid crystal display panel 310 and a liquid crystal display panel 310 in which DL2-m) and a plurality of gate lines GL1 to GLn cross each other and pixels are formed in the intersection regions thereof. The first timing controller 320 for supplying the second digital data, the second timing controller 330 for controlling the driving timing of the black and white region, and the first digital data input from the first timing controller 320. Convert to analog data voltage First digital driver 340 for supplying the plurality of data lines DL1-1 to DL1-i and second digital data input from the second timing controller 330 into analog data voltages. Scan pulses to the plurality of gate lines GL1 to GLn under the control of the second data driver 350 and the first timing controller 320 for supplying the data lines DL2-1 to DL2-m of the apparatus. And a gate driver 360 for sequentially supplying the same.

The display area of the liquid crystal display panel 310 is divided into a color area in which a low resolution to high resolution screen is displayed and a black and white area in which a high resolution to ultra high resolution screen is displayed. The color area and the black and white area of the liquid crystal display panel 310 may be implemented such that the same resolution screen is displayed.

A plurality of data lines DL1-1 through DL1-i and a plurality of gate lines GL1 through GLn cross each other in the color area, and pixels are formed in the crossing areas, respectively. A thin film transistor TFT for driving the cell Clc is formed. Here, the pixels formed in the color gamut are composed of R subpixels, G subpixels, B subpixels, and W subpixels, and R subpixels, G subpixels, B subpixels, and W subpixels are arranged in a quad type. Form one pixel. In particular, the color filter is formed in the liquid crystal display panel 310 of the color region, and the image for television, the computer image, etc. are displayed in the color region. In addition, the present invention may arrange R subpixels, G subpixels, B subpixels, and W subpixels in a stripe type.

A plurality of data lines DL2-1 to DL2-m and a plurality of gate lines GL1 to GLn intersect each other in the black and white area, and pixels are formed in the crossing areas, respectively, in the liquid crystal cell Clc. A thin film transistor for driving the film is formed. The color filter is not formed in the black and white area liquid crystal display panel 310. In the black and white area, an image requiring high resolution to ultra high resolution, for example, an X-ray of a patient is displayed. . Here, the color area and the black and white area are separated from left and right as shown in FIG. 4A, and the color area and the black and white area may be separated into 16: 9, but are not limited thereto and may be separated into 1: 1. As shown in FIG. 4B, the color area and the black and white area may be separated up and down. Also, as shown in FIG. 4C, the color area may be disposed to occupy the entire area of the screen, and the black and white area may be disposed at the corner of the entire area of the screen. It may be. Meanwhile, the pixels formed in the color gamut may be implemented as stripe type RGB subpixels.

The first timing controller 320 supplies the first video data supplied from the system to the first data driver 340, and also uses the horizontal / vertical synchronization signals H and V according to the clock signal CLK. The driving control signal DDC and the gate driving control signal GDC are generated and supplied to the first data driver 340 and the gate driver 360, respectively. The data driving control signal DDC includes a source shift clock SSC, a source start pulse SSP, a polarity control signal POL, a source output enable signal SOE, and a gate driving control signal GDC. ) Includes a gate start pulse (GSP) and a gate output enable (GOE).

The second timing controller 330 supplies the second video data supplied from the system to the second data driver 350 and also uses the horizontal / vertical synchronization signals H and V according to the clock signal CLK. The driving control signal DDC is generated and supplied to the second data driver 350. The data driving control signal DDC includes a source shift clock SSC, a source start pulse SSP, a polarity control signal POL, a source output enable signal SOE, and the like.

The first data driver 340 supplies data to the data lines DL1-1 to DL1-i in response to the data driving control signal DDC supplied from the first timing controller 320. The first digital data supplied from the controller 320 is sampled and latched, and then an analog capable of expressing gray scales in the liquid crystal cell Clc of the color gamut based on the gamma reference voltage supplied from the gamma reference voltage generator 140. The data voltage is converted into a data voltage and supplied to the data lines DL1-1 through DL1-i.

The second data driver 350 supplies data to the data lines DL2-1 to DL2-m in response to the data driving control signal DDC supplied from the second timing controller 330, where the second timing is provided. After sampling and latching the second digital data supplied from the controller 330, analog data capable of expressing gray scales in the liquid crystal cell Clc in the black and white region based on the gamma reference voltage supplied from the gamma reference voltage generator 140. The voltage is converted into a voltage and supplied to the data lines DL2-1 to DL2-m.

The gate driver 360 sequentially generates scan pulses in response to the gate driving control signal GDC and the gate shift clock GSC supplied from the first timing controller 320 so that the gates are commonly disposed in the color region and the black and white region. Supply to lines GL1 to GLn.

As described above, the liquid crystal display device according to another embodiment of the present invention, by driving the color area and the black and white area of the liquid crystal display panel separately and simultaneously or alternatively driven, the patient reads the doctor or the like displayed in the black and white area This allows you to write a medical certificate in the color area. In addition, since a patient readout for displaying a high resolution to an ultra high resolution is displayed in the black and white area, it is preferable to implement the color area in the low resolution to the high resolution and the black and white area in the high resolution to the ultra high resolution.

As described above, according to the present invention, the liquid crystal display panel is divided into a color region in which a color filter is formed and a black and white region in which a color filter is not formed, thereby displaying the liquid crystal display panel. To be able.

Although the technical spirit of the present invention has been described in detail according to the above-described preferred embodiment, it should be noted that the above-described embodiment is for the purpose of description and not of limitation. In addition, those skilled in the art will understand that various embodiments are possible within the scope of the technical idea of the present invention.

Claims (21)

A color filter includes a color region in which a color filter is formed and a black and white region in which a color filter is not formed, wherein a plurality of first data lines and a plurality of first gate lines intersect each other in the color region, and first pixels are disposed in the intersection regions. A liquid crystal display panel having a plurality of second data lines and a plurality of second gate lines intersecting the black and white regions, and second pixels respectively formed at the intersection regions; A timing controller for controlling driving timing of the color region by supplying first digital data and controlling driving timing of the black and white region by supplying second digital data; A first data driver configured to convert the first digital data input from the timing controller into an analog data voltage and supply the first digital data to the first data lines; A second data driver for converting the second digital data input from the timing controller into an analog data voltage and supplying the second data lines to the second data lines; A first gate driver for sequentially supplying scan pulses to the first gate lines in response to the control of the timing controller; And A second gate driver for sequentially supplying scan pulses to the second gate lines in response to the control of the timing controller Liquid crystal display comprising a. The method of claim 1, A low resolution to high resolution screen is displayed in the color area, and a high resolution to ultra high resolution screen is displayed in the black and white area. The method of claim 1, And the first pixels formed in the color region include an R sub pixel, a G sub pixel, a B sub pixel, and a W sub pixel. The method of claim 3, wherein And wherein the R subpixel, the G subpixel, the B subpixel, and the W subpixel are arranged in a quad type to form one first pixel. The method of claim 3, wherein And wherein the R subpixel, G subpixel, B subpixel, and W subpixel are arranged in a stripe type to form one first pixel. And the first pixels formed in the color area include R subpixels, G subpixels, and B subpixels arranged in a stripe type. The method of claim 1, And the color area and the black and white area are separated from side to side. The method of claim 1, And the color area and the black and white area are divided up and down. The method of claim 1, And the same resolution screen is displayed in the color area and the black and white area. The method according to any one of claims 1 to 9, The timing controller, A first timing controller supplying the first digital data to the first data driver to control driving timing of the color area; And A second timing controller for supplying the second digital data to the second data driver to control driving timing of the monochrome region; Liquid crystal display comprising a. A driving method of a liquid crystal display device comprising a liquid crystal display panel having a color region in which a color filter is formed and a black and white region in which a color filter is not formed. Supplying first digital data; Converting the first digital data into analog data and supplying the first digital data to the color area and sequentially supplying a first scan pulse to the color area; Supplying second digital data; And Converting the second digital data into analog data and supplying it to the black and white region and simultaneously supplying a second scan pulse to the black and white region Method of driving a liquid crystal display comprising a. And a color region in which a color filter is formed and a black and white region in which no color filter is formed, wherein a plurality of first data lines and a plurality of gate lines intersect in the color region, and first pixels are formed in the intersection regions, respectively. A liquid crystal display panel in which a plurality of second data lines and the plurality of gate lines intersect each other in the black and white region, and second pixels are formed in the intersection regions; A timing controller for controlling driving timing of the color region by supplying first digital data and controlling driving timing of the black and white region by supplying second digital data; A first data driver configured to convert the first digital data input from the timing controller into an analog data voltage and supply the first digital data to the first data lines; A second data driver for converting the second digital data input from the timing controller into an analog data voltage and supplying the second data lines to the second data lines; And A gate driver for sequentially supplying scan pulses to the gate lines under the control of the timing controller. Liquid crystal display comprising a. The method of claim 12, A low resolution to high resolution screen is displayed in the color area, and a high resolution to ultra high resolution screen is displayed in the black and white area. The method of claim 12, And the first pixels formed in the color region include an R sub pixel, a G sub pixel, a B sub pixel, and a W sub pixel. The method of claim 14, And wherein the R subpixel, the G subpixel, the B subpixel, and the W subpixel are arranged in a quad type to form one first pixel. The method of claim 14, And wherein the R subpixel, G subpixel, B subpixel, and W subpixel are arranged in a stripe type to form one first pixel. The method of claim 12, And the color area and the black and white area are separated from side to side. The method of claim 12, And the color area and the black and white area are divided up and down. The method of claim 12, And the same resolution screen is displayed in the color area and the black and white area. The method according to any one of claims 12 to 19, The timing controller, A first timing controller supplying the first digital data to the first data driver to control driving timing of the color area; And A second timing controller for controlling the driving timing of the black and white region by supplying the second digital data to the second data driver; Liquid crystal display comprising a. A driving method of a liquid crystal display device comprising a liquid crystal display panel having a color region in which a color filter is formed and a black and white region in which a color filter is not formed. Supplying first digital data; Sequentially supplying scan pulses to the color region and the black and white region; While the scan pulse is supplied, converting the first digital data into analog data and supplying the analog data to the color gamut; Supplying second digital data; And While the scan pulse is supplied, converting the second digital data into analog data and supplying the analog data to the black and white region Method of driving a liquid crystal display comprising a.

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