CN102540525B - Liquid crystal display device - Google Patents

Abstract

The invention provides a liquid crystal display device, comprising: an array substrate and a color filter substrate arranged oppositely, the array substrate is divided into a display area, a driving chip and a frame area, the display area includes a plurality of scanning lines and a plurality of data lines; the driving chip includes A data line driving part and a scanning line driving part, the data line driving part is connected to the data line, and the scanning line driving part is used to connect the scanning line; a part of the frame area includes a data line connection area and a scanning line connection area, and the The scan line connection area is located on both sides of the data line connection area. In the present invention, by positioning the scan line connection area on both sides of the data line connection area, the repeated design of the scan line and the data line is reduced, and the design cost is reduced. Further, the corresponding driver chip and the prior art The driver chip is compatible, which reduces the cost of mold opening.

Description

A liquid crystal display device

technical field

The invention relates to a liquid crystal display panel, in particular to a liquid crystal display device which reduces the frame width of the liquid crystal display panel to achieve a narrow frame design.

Background technique

Flat-panel displays are currently the most popular displays, among which liquid crystal displays are widely used in electronic products such as computer screens, mobile phones, personal digital assistants, and flat-screen TVs because of their thin and light appearance, power saving, and no radiation.

Please refer to FIG. 1 , which is a schematic structural diagram of a narrow-frame liquid crystal display device 100 in the prior art, including an array substrate 110 and a color filter substrate (not shown), and the liquid crystal molecular layer is sandwiched between the array substrate 110 and the color filter substrate. between. The color filter substrate is a color filter for displaying a color picture. The array substrate 110 includes a plurality of scanning lines 150 arranged in parallel directions, a plurality of data lines 130 arranged perpendicular to the scanning lines, a plurality of auxiliary scanning lines 155 arranged in parallel with the data lines 130, a first frame area 180, a second The second frame area 185 , the third frame area 188 , the display area 195 and the driver chip 101 .

Wherein, the first frame area 180 , the second frame area 185 , and the third frame area 188 generally surround the display area 195 . The first frame area 180 , the second frame area 185 , and the third frame area 188 are adjacent to three sides of the display area 195 , and a plurality of data lines 130 , a plurality of scan lines 150 and a plurality of auxiliary scan lines 155 are disposed in the display area 195 , the driving chip 101 is disposed in the third frame area 188 . One end of each auxiliary scan line 155 is electrically connected to the corresponding scan line 150 , and the other end is connected to the driving chip 101 .

Continuing to refer to FIG. 1, each auxiliary scanning line 155 is routed from the driving chip 101 to the corresponding scanning line 150, and the driving chip 101 is electrically connected to a plurality of auxiliary scanning lines 155, in order to provide a plurality of scanning signals through a plurality of auxiliary scanning lines. The scan line 155 is transmitted to a plurality of scan lines 150 .

Referring to FIG. 1 , the driving chip 101 is also electrically connected to a plurality of data lines 130 for transmitting a plurality of provided data signals to a plurality of pixel units (not shown) through the plurality of data lines 130 . The liquid crystal display device 100 controls a plurality of data signals to be written into a plurality of pixel units according to a plurality of scanning signals for displaying images. In the narrow-frame liquid crystal display device described above, the auxiliary scanning line is arranged in the display area and electrically connected to the corresponding scanning line for transmitting the signal of the driving chip to the corresponding scanning line, so as to realize the design of the narrow frame of the liquid crystal display device .

However, the above-mentioned liquid crystal display device has the following problems: the data line connection line and the scanning connection line connected to the driver chip are interleaved, and such repeated design increases the development cost of wiring: further, the prior art is not In the driver chip of the narrow-frame liquid crystal display device, the pins of the data lines are located in the middle, and the pins connected to the scan lines are located on both sides of the data line pins, so the narrow-frame liquid crystal display device cannot use the driver chip in the prior art. Redesigning the corresponding driver chip increases the cost of the product.

Contents of the invention

The technical problem solved by the present invention is to provide a liquid crystal display device, which can reduce the design cost of scanning line and data line connection of the narrow frame liquid crystal display device and the design cost of the driving chip.

In order to solve the above problems, the present invention provides a liquid crystal display device, comprising:

An array substrate and a color filter substrate oppositely arranged, the array substrate is divided into a display area, a driver chip and a frame area, and the frame area includes a first frame area located on both sides of the display area and a second frame area located between the display area and the drive chip Second frame area;

The display area includes a plurality of pixel electrodes arranged in a matrix in the display area;

A plurality of scanning lines, located between a plurality of pixel electrodes;

A plurality of data lines are located between the plurality of pixel electrodes, and the data lines intersect with the scanning lines insulated;

The driving chip includes a data line driving part and a scanning line driving part, the data line driving part is electrically connected to the data line, and the scanning line driving part is used to connect the scanning line;

The second frame area includes a data line connection area and a scan line connection area, the data line connection area is used to connect the data drive chip and the data line, and the scan line connection area is used to connect the scan line and the scan line For the driver chip, the scanning line connection area is located on both sides of the data line connection area.

Optionally, in the driving chip, the scanning line driving part is located on both sides of the data line driving part.

Optionally, the display area further includes auxiliary scanning lines for connecting the scanning lines and the scanning line connection area.

Optionally, the auxiliary scan lines and the data lines are of the same metal layer.

Optionally, in the display area, the auxiliary scan lines and data lines are arranged in a staggered pattern.

Optionally, in the connection area, there is an intersection area between the scan connection line and the data line connection line.

Optionally, the array substrate is connected to the color filter substrate through a frame glue, and the frame glue is arranged between the intersection area and the display area.

Optionally, in the second frame region, indium tin oxide is further arranged between the data connection lines and the scan connection lines.

Optionally, the voltage of the indium tin oxide is set to 0V.

Optionally, a layer of liquid crystal molecules is also included, and the molecules of the liquid crystal layer are located between the array substrate and the color filter substrate.

Compared with the prior art, the present invention has the following advantages: In the present invention, by wiring the data lines and auxiliary scanning lines arranged in a display area alternately, a scanning line connection area and a data line connection area are formed in the second frame area , wherein the scan line connection area is located on both sides of the data line connection area, corresponding to the drive chip, the scan line connection can be connected to the drive chip from both sides of the drive chip, and at the same time, the data line connection is only Connect with the driver chip from the middle of the driver chip, in the driver chip, the scan line driver chip is located on both sides of the data line driver chip, avoiding repeated design and reducing the development cost of wiring;

Further, the corresponding driver chip is compatible with the driver chip of the prior art, which reduces the mold opening cost.

Description of drawings

FIG. 1 is a top structural diagram of a liquid crystal display device in the prior art.

FIG. 2 is a schematic top view of a liquid crystal display device according to an embodiment of the present invention.

Detailed ways

As shown in FIG. 1 , the inventors found that the driver chips must be designed to be interleaved with data line drivers and scan line drivers. Such repeated designs increase the development cost of wiring. However, in the prior art, most of the driver chips are designed with scan line driver chip pins on both sides and data line driver chip pins in the middle. For the driver chip of the narrow-frame liquid crystal display device corresponding to the design of Figure 1, it is necessary to Increase the development of new driver chips and increase product costs.

In order to solve the problems in the prior art, the inventor of the present invention provides a liquid crystal display device, comprising:

An array substrate and a color filter substrate oppositely arranged, the array substrate is divided into a display area, a driver chip and a frame area, and the frame area includes a first frame area located on both sides of the display area and a second frame area located between the display area and the drive chip Two frame areas; the display area includes a plurality of pixel electrodes arranged in a matrix in the display area; a plurality of scanning lines located between the plurality of pixel electrodes; a plurality of data lines located between the plurality of pixel electrodes, The data line and the scanning line are insulated and intersected; the driving chip includes a data line driving part and a scanning line driving part, the data line driving part is electrically connected to the data line, and the scanning line driving part is used to connect the scanning line; The second frame area includes a data line connection area and a scan line connection area, the data line connection area is used to connect the data drive chip and the data line, and the scan line connection area is used to connect the scan line and the scan line drive chip , the scan line connection area is located on both sides of the data line connection area.

The technical solutions of the present invention will be described in detail below in conjunction with specific embodiments.

Referring to FIG. 2 , it is a schematic top view structural diagram of a liquid crystal display device according to an embodiment of the present invention.

The liquid crystal display device includes an array substrate 200 and a color filter substrate (not shown) correspondingly disposed opposite to it, and a liquid crystal molecule layer is located between the array substrate 200 and the color filter substrate. The color filter substrate is a color filter for displaying color pictures.

The array substrate 200 includes a display area 201 , a frame area and a driving chip 230 . The frame area is set around the display area 201 .

In this embodiment, the frame area includes a first frame area 202 and a second frame area 203 . The first frame area 202 is disposed on both sides of the display area 201 , and the second frame area 203 is disposed between the display area 201 and the driving chip 230 .

Continuing to refer to FIG. 2, the display area 201 includes a plurality of pixel electrodes (not shown), and the pixel electrodes are arranged in a matrix in the display area 201; a plurality of scanning lines 211 are arranged in parallel between the plurality of pixel electrodes A plurality of data lines 213 are vertically arranged with the scan lines 211 and located between a plurality of pixel electrodes, and the data lines 213 and the scan lines 211 are insulated and intersect.

It also includes a plurality of parallel auxiliary scanning lines 212 , one end of each auxiliary scanning line 212 is electrically connected to the corresponding scanning line 211 , and the other end is connected to the driving chip 230 . Wherein, the auxiliary scanning lines 212 and the data lines 213 are arranged in parallel.

In the second frame area 203, a scan line connection 222 area and a data line connection 221 area are formed, wherein the scan line connection 222 area is located on both sides of the data line connection 221 area, and the scan line connection 222 It is used for connecting the auxiliary scanning line 212 and the driving chip 230 ; the data line connection 221 is used for connecting the data line 213 and the driving chip 230 .

Referring to FIG. 2 , the driving chip 230 is divided into three parts: a first scanning line driving part 2311 , a data line driving part 232 and a second scanning line driving part 2312 . The scanning line driving parts 2311 and 2312 are used to connect the auxiliary scanning lines 212 in the display area 201 , and the data line driving part 232 is used to connect the data lines 213 in the display area 201 . Wherein, the scanning line driving part 231 , that is, the first scanning line driving part 2311 and the second scanning line driving part 2312 are respectively located on two sides of the data line driving part 232 . Specifically, the data lines 213 located in the display area 201 are all connected to the data line driving part 232 located in the driving chip 230, and the auxiliary scanning lines 212 located in the left side of the display area 201 are all connected to the first scanning line driving part located in the driving chip 230. 2311 , all the auxiliary scan lines 212 located in the right side of the display area 201 are connected to the second scan line driving part 2312 located in the driving chip 230 .

Because the first scanning line driving part 2311 and the second scanning line driving part 2312 in the driving chip 230 are respectively located on both sides of the data line driving part 232, correspondingly, the scanning line connection area correspondingly connected to the driving chip 230 Located on both sides of the data line connection area. Wherein, the scan line connection area is electrically connected to all the auxiliary scan lines 212 in the display area 201 , and the data line connection area is electrically connected to all the data lines 213 in the display area 201 .

Further, as shown in FIG. 2 , because in the display area 201 , the data lines 213 and auxiliary scanning lines 212 are arranged alternately, that is, one auxiliary scanning line 212 is arranged within two data lines 213 . Therefore, there is an intersection area between the data line connection 221 and the scan line connection 222 in the second frame area 203 , and the intersection area 240 shown in this figure is a connection line 240 where the intersection position is located.

The liquid crystal display device needs to connect the array substrate 200 shown in FIG. 2 with a color filter substrate (not shown) opposite to it through a frame glue, and the frame glue needs to be cured by ultraviolet light.

In this embodiment, the frame glue is preferentially set in the area between the intersection area 240 and the display area 201, and the frame glue avoids the intersection area 240, which can avoid the occurrence of ultraviolet radiation caused by the intersection area 240 when the ultraviolet light is curing. To avoid the problem of light blocking, improve the UV curing effect.

Further, in the second frame region 203 , an indium tin oxide is further arranged between the data connection line 221 and the scan line connection 222 , preferably, the voltage of the indium tin oxide is set to 0V. Electrical shielding can be performed between the data connection line 221 and the scan line connection 222 to avoid signal interference between the data connection line 221 and the scan line connection 222 .

In the present invention, by wiring the data lines 213 and auxiliary scanning lines 212 arranged alternately in the display area 210, the scanning line connecting line 222 area and the data line connecting line 221 area are formed in the second frame area 203, wherein the scanning line connecting line The line 222 area is located on both sides of the data line connecting line 221 area, corresponding to the driving chip 230, the scanning line connecting line 222 can be connected to the driving chip 230 from both sides of the driving chip 230, and at the same time, the data connecting line 221 is connected to the driving chip 230 from the driving chip 230. The middle of the chip 230 is connected to the driver chip 230, which avoids repeated design and reduces the development cost of wiring;

Further, it is compatible with the driver chip of the prior art, and reduces the mold opening cost.

Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art can use the methods disclosed above and technical content to analyze the present invention without departing from the spirit and scope of the present invention. Possible changes and modifications are made in the technical solution. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention, which do not depart from the content of the technical solution of the present invention, all belong to the technical solution of the present invention. protected range.

Claims (8)

1. a liquid crystal indicator, is characterized in that, comprising:

Array base palte and the color membrane substrates arranged in opposite directions, described array base palte is divided into viewing area, driving chip and frame region, and described frame region comprises the first frame region being positioned at both sides, viewing area and the second frame region be positioned between viewing area and driving chip;

Described viewing area comprises multiple pixel electrode, is arranged in described viewing area in matrix;

Multi-strip scanning line, between multiple pixel electrode;

A plurality of data lines, between multiple pixel electrode, described data line insulate crossing with sweep trace;

Described viewing area also comprises sub-scanning line, and described sub-scanning line is in order to connect sweep trace and sweep trace tie region;

Described driving chip comprises data-line drive part and scanning line driving part, described data-line drive part connection data line, and described scanning line driving part is in order to connect sweep trace;

Be positioned at the second frame region and comprise data line tie region and sweep trace tie region, described data line tie region is used for connection data driving chip with data line, described sweep trace tie region in order to be connected sweep trace and scanning line driving chip, and described sweep trace tie region is positioned at the both sides of described data line tie region;

Data line line in described second frame region and sweep trace line have intersection region.

2. liquid crystal indicator as claimed in claim 1, it is characterized in that, in described driving chip, described scanning line driving part is positioned at data-line drive part both sides.

3. liquid crystal indicator as claimed in claim 1, it is characterized in that, described sub-scanning line and data line are same metal level.

4. liquid crystal indicator as claimed in claim 3, it is characterized in that, in described viewing area, described sub-scanning line and data line are arranged with interleaving mode.

5. liquid crystal indicator as claimed in claim 4, is characterized in that, described array base palte is connected with color membrane substrates by frame glue, and described frame glue is arranged between described intersection region and viewing area.

6. liquid crystal indicator as claimed in claim 1, is characterized in that, in described second frame region, is also provided with tin indium oxide between described data connecting line and scanning connecting line.

7. liquid crystal indicator as claimed in claim 6, it is characterized in that, the voltage of described tin indium oxide is set to 0V.

8. liquid crystal indicator as claimed in claim 1, it is characterized in that, also comprise layer of liquid crystal molecule, described liquid crystal layer molecule is between described array base palte and color membrane substrates.