CN106200175A - A kind of display floater - Google Patents

Abstract

The present invention relates to a display panel, which includes a first substrate, a first data line, a first shielding electrode, a second shielding electrode and a first common electrode. The first data line is located on the first substrate, the first data line has opposite first sides and second sides in the first direction; the first shielding electrode is disposed on the first substrate adjacent to the first side, and the first shielding electrode The electrode and the projection of the first side on the first substrate have a first gap; the second shielding electrode is arranged on the first substrate adjacent to the second side, and the second shielding electrode and the projection of the second side on the first substrate have a gap The second gap; the first common electrode is arranged above the first data line, and the first common electrode is connected to the zero-grayscale AC signal; wherein, the projection of the first common electrode on the first substrate at least covers the first gap and the second gap. Two gaps. The relative position of the first common electrode and the first data line of the display panel of the present invention does not change, so a stable light leakage prevention effect can be ensured.

Description

a display panel

technical field

The invention relates to a display panel, in particular to a light leakage-proof display panel.

Background technique

Please refer to FIG. 1 , which is a schematic diagram of a display panel in the prior art. The display panel 100 includes an array substrate 110 , a pixel unit 120 , a data line 130 , a black matrix 140 , a display medium 150 and a color filter substrate 160 . The pixel units 120 are disposed on the array substrate 110 , and each pixel unit 120 includes a respective pixel electrode 121 and a shielding electrode 122 . The data line 130 is located between adjacent pixel units 120 . The black matrix 140 is disposed on the color filter substrate 160 at a position corresponding to the data line 130 to shield the data line 130 and light leakage from the gap between the data line 130 and the shielding electrode 122 .

However, during the assembly process of the array substrate 110 and the color filter substrate 160, or the process of directly bending the display panel 100 to achieve a curved display, many optical defects often occur, resulting in decreased resolution, color shift and uneven brightness of the panel ( Mura). A common defect is that the black matrix 150 of the color filter substrate 160 has a relative displacement (for example, the maximum displacement can reach 25 microns) after assembly or bending, as shown in FIG. 2 , which is a display panel in the prior art. The offset schematic diagram of the color filter substrate 160 after the black matrix 150 of the color filter substrate 160 is offset, as shown in the dotted line, cannot be covered by the black matrix 150 , which will cause light leakage in the display panel 100 .

Contents of the invention

In order to improve the above-mentioned light leakage phenomenon caused by the offset of the black matrix, the present invention provides a display panel.

The above display panels include:

first substrate;

a first data line located on the first substrate, the first data line has opposite first sides and second sides in a first direction;

a first shielding electrode disposed on the first substrate adjacent to the first side, and having a first gap between the first shielding electrode and a projection of the first side on the first substrate;

a second shielding electrode disposed on the first substrate adjacent to the second side, and having a second gap between the second shielding electrode and the projection of the second side on the first substrate;

The first common electrode is arranged above the first data line, and the first common electrode is connected to a zero-grayscale AC signal;

Wherein, the projection of the first common electrode on the first substrate at least covers the first gap and the second gap.

As an optional technical solution, the first gap is greater than 1 micron.

As an optional technical solution, the overlapping distance between the first shielding electrode and the first common electrode in the first direction is greater than or equal to 2 micrometers.

As an optional technical solution, the timing of the zero-grayscale AC signal is the same as or opposite to that of the first data line access signal, and the magnitude of the zero-grayscale AC signal is the same as that of the first data line access signal .

As an optional technical solution, the display panel further includes a first sub-pixel and a second sub-pixel, the first sub-pixel and the second sub-pixel are arranged on the first substrate, and the first sub-pixel includes the first a shielding electrode and a first pixel electrode, the first shielding electrode is between the first pixel electrode and the first data line in the first direction; the second sub-pixel includes the second shielding electrode and the second pixel electrode, The second shielding electrode is located between the second pixel electrode and the first data line in the first direction.

As an optional technical solution, the first pixel electrode, the second pixel electrode and the first common electrode are located in the same film layer.

As an optional technical solution, the display panel also includes:

The third sub-pixel, the third sub-pixel is arranged on the first substrate, and is adjacent to the second sub-pixel and not adjacent to the first sub-pixel, wherein the polarity of the second sub-pixel The polarities of the first sub-pixel and the third sub-pixel are opposite.

As an optional technical solution, the display panel further includes a second substrate and a display medium, and the display medium is disposed between the first substrate and the second substrate.

As an optional technical solution, the second substrate has a second common electrode connected to a fixed direct current signal.

As an optional technical solution, the magnitude of the fixed DC signal is equal to the average value of the maximum and minimum values of the zero-grayscale AC signal.

Compared with the prior art, the display panel of the present invention is provided with the first common electrode on the first substrate for accessing the zero-grayscale AC signal, and the first common electrode shields the first data line, the first gap, and the second gap to partially The first shielding electrode and the second shielding electrode can achieve the anti-light leakage effect through the cooperation of the positional relationship between the access signal and the components, and the position of the first common electrode will not change to ensure a stable anti-light leakage effect .

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

Description of drawings

FIG. 1 is a schematic diagram of a display panel in the prior art;

FIG. 2 is a schematic diagram of an offset of a display panel in the prior art;

3 is a schematic diagram of a display panel of the present invention;

FIG. 4 is a schematic top view of some components of the display panel in FIG. 3;

5 is a first embodiment of the timing diagram of the first common electrode, the first data line and the second common electrode in the present invention;

FIG. 6 is a second embodiment of the timing diagram of the first common electrode, the first data line and the second common electrode according to the present invention.

detailed description

Please refer to FIG. 3 and FIG. 4 , FIG. 3 is a schematic diagram of the display panel of the present invention, and FIG. 4 is a schematic top view of some components of the display panel in FIG. 3 . The display panel 200 includes a first substrate 210 , a first data line 220 , a first shielding electrode 231 , a second shielding electrode 232 and a first common electrode 240 .

The first data line 220 is disposed on the first substrate 210, the first data line 220 has opposite first side 221 and second side 222 in the first direction F; the first shielding electrode 231 is disposed adjacent to the first side 221 On the first substrate 210, and the projection of the first shielding electrode 231 and the first side 221 on the first substrate 210 has a first gap D1, in this embodiment, the first gap D1 is greater than 1 micron; the second shielding electrode 232 is adjacent to The second side 222 is disposed on the first substrate 210, and the projection of the second shielding electrode 232 and the second side 222 on the first substrate 210 has a second gap D2, that is, in the first direction F, the first data line 220 It is disposed between the first shielding electrode 231 and the second shielding electrode 232 , and has projected distances of the first gap D1 and the second gap D2 between the first shielding electrode 231 and the second shielding electrode 232 .

The first common electrode 240 is disposed above the first data line 220 and connected to a zero-grayscale AC signal;

Wherein, the projection of the first common electrode 240 on the first substrate 210 at least covers the first gap D1 and the second gap D2 . That is, the projection of the first common electrode 240 on the first substrate 210 covers the first data line 220 , the first gap D1 , the second gap D2 and part of the first shielding electrode 231 and the second shielding electrode 232 . In this way, when the first common electrode 240 is connected to a zero-grayscale AC signal, combined with the above-mentioned positional relationship with the first data line 220, the first gap D1, the second gap D2, and the first shielding electrode 231 and the second shielding electrode 232, it can be To achieve the effect of preventing light leakage, and because the first common electrodes 240 are all arranged on the first substrate 210, during the assembly process of the display panel 200 or the bending process of the display panel 200, the first common electrodes 240 and the first data The positional relationship between the wires 220 will not change, thus will not affect the anti-leakage effect of the first common electrode 240 , that is, the display panel 200 can maintain a stable anti-leakage effect.

In this embodiment, in order to achieve a better light leakage prevention effect, the overlapping distance D3 between the first shielding electrode 231 and the first common electrode 240 in the first direction F is greater than or equal to 2 micrometers.

In this embodiment, the display panel 200 further includes a first sub-pixel P1 and a second sub-pixel P2, the first sub-pixel P1 and the second sub-pixel P2 are disposed on the first substrate 210, and the first shielding electrode 231 is included in the first sub-pixel. In a sub-pixel P1, the first sub-pixel P1 further includes a first pixel electrode 251, and the first shielding electrode 231 is located between the first pixel electrode 251 and the first data line 220 in the first direction F; the second shielding electrode 232 Included in the second sub-pixel P2 , the second sub-pixel P2 further includes a second pixel electrode 252 , and the second shielding electrode 232 is between the second pixel electrode 252 and the first data line 220 in the first direction F. In this embodiment, the first pixel electrode 251, the second pixel electrode 252 and the first common electrode 240 are located on the same film layer, so that the effect of saving process can be achieved. Of course, in other embodiments, the first pixel electrode 251 , The second pixel electrode 252 and the first common electrode 240 may not be located in the same film layer, it depends on the situation.

In this embodiment, the display panel 200 further includes a third sub-pixel (not shown), the third sub-pixel is disposed on the first substrate 210, and is adjacent to the second sub-pixel P2 and not adjacent to the first sub-pixel. P1 are adjacent to each other, wherein the polarity of the second sub-pixel P2 is opposite to that of the first sub-pixel P1 and the third sub-pixel. That is, the first sub-pixel P1 , the second sub-pixel P2 and the third sub-pixel are arranged in sequence, and the polarities are changed in sequence.

In this embodiment, as shown in FIG. 3 , the display panel 200 further includes a second substrate 270 and a display medium 260 , and the display medium 260 is disposed between the first substrate 210 and the second substrate 270 . There is a second common electrode 280 on the second substrate 270, and the second common electrode 280 is connected to a fixed DC signal. Due to the light-shielding effect of the first common electrode 240 , the black matrix layer in the prior art does not need to be disposed on the second substrate 270 .

Please refer to FIG. 5 for signals connected to the above-mentioned electrodes. FIG. 5 is a first embodiment of a timing diagram of the first common electrode, the first data line, and the second common electrode of the present invention. The signal S1 connected to the first data line 220 is a square wave signal as shown in FIG. 5 , and the signal S2 connected to the second common electrode 280 is a fixed DC signal. The input signal S3 (that is, the zero-grayscale AC signal) may have the same time sequence as the signal S1 input by the first data line 220. Of course, in other implementation manners, the first common electrode, the first In the second embodiment of the timing diagram of the data line and the second common electrode, the timing of the signal S3 ′ connected to the first common electrode 240 may also be opposite to that of the signal S1 connected to the first data line 220 .

In terms of potential magnitude, in this embodiment, the magnitude of the zero-grayscale AC signal S3 is the same as the magnitude of the signal S1 connected to the first data line 220, and the magnitude of the fixed DC signal S2 connected to the second common electrode 280 (for example, 7V) is equal to the average value of the maximum value (such as 14V) and the minimum value (such as 0V) of the zero-grayscale AC signal S1. Of course, in other implementation manners, the potential of the zero-grayscale AC signal S1 can also be designed in other ways.

To sum up, in the display panel of the present invention, the first common electrode connected to the zero-grayscale AC signal is provided on the first substrate, and the first common electrode covers the first data line, the first gap, the second gap and part of the first data line. One shielding electrode, the second shielding electrode, and because the first common electrode, the first shielding electrode and the second shielding electrode are simultaneously arranged on the same substrate (the first substrate), even if the opposite substrate (the second substrate) is used in the subsequent liquid crystal pair cell The second substrate) is offset relative to the first substrate, or the first substrate and the second substrate are bent when making a curved display device, resulting in a relative offset between the two substrates, through the coordination of the positional relationship between the access signal and the components The light leakage prevention effect can still be achieved, and the position of the first common electrode will not change, so as to ensure a stable light leakage prevention effect.

Certainly, the present invention also can have other various embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding changes All changes and modifications should belong to the scope of protection of the appended claims of the present invention.

Claims (10)

1. a display floater, it is characterised in that including:

First substrate；

First data wire, is positioned on this first substrate, and this first data wire has the first relative side and in a first direction Two sides；

First covers electrode, and this first side neighbouring is arranged on this first substrate, and this first cover electrode and this first side in Projection on this first substrate has the first gap；

Second covers electrode, and this second side neighbouring is arranged on this first substrate, and this second cover electrode and this second side in Projection on this first substrate has the second gap；

First common electrode, is arranged at the top of this first data wire, and this first common electrode accesses zero GTG AC signal；

Wherein, this first common electrode projection on this first substrate at least covers this first gap and this second gap.

2. display floater as claimed in claim 1, it is characterised in that this first gap is more than 1 micron.

3. display floater as claimed in claim 1, it is characterised in that this first covers between electrode and this first common electrode Overlap distance on this first direction is more than or equal to 2 microns.

4. display floater as claimed in claim 1, it is characterised in that the sequential of this zero GTG AC signal and these first data The sequential that line accesses signal is identical or contrary, and the size of this zero GTG AC signal accesses the size of signal with this first data wire Identical.

5. display floater as claimed in claim 1, it is characterised in that this display floater also includes the first sub-pixel, the second son Pixel, this first sub-pixel, this second sub-pixel be arranged on this first substrate, and this first sub-pixel comprises this and first covers electricity Pole and the first pixel electrode, on this first direction this first cover electrode be in this first pixel electrode and the first data wire it Between；This second sub-pixel comprises this and second covers electrode and the second pixel electrode, and on this first direction, this second covers electrode It is between this second pixel electrode and first data wire.

6. display floater as claimed in claim 5, it is characterised in that this first pixel electrode, this second pixel electrode and should First common electrode is positioned at same film layer.

7. display floater as claimed in claim 5, it is characterised in that this display floater also includes:

3rd sub-pixel, the 3rd sub-pixel is arranged on this first substrate, and adjacent one another are with this second sub-pixel and not with This first sub-pixel is adjacent one another are, wherein, and the polarity of this second sub-pixel and this first sub-pixel and the pole of the 3rd sub-pixel Property is contrary.

8. display floater as claimed in claim 1, it is characterised in that this display floater also includes that second substrate and display are situated between Matter, this display medium is arranged between this first substrate and this second substrate.

9. display floater as claimed in claim 8, it is characterised in that have the second common electrode on this second substrate, this is the years old Two common electrodes access fixing direct current signal.

10. display floater as claimed in claim 9, it is characterised in that the size of this fixing direct current signal is equal to this zero GTG The meansigma methods of AC signal maxima and minima.