TWI699749B - Display panel - Google Patents

Abstract

A display panel includes a pixels and a first conductive element. Each of the pixels includes a first signal line, a second signal line, a third signal line, a first switch, a second switch, a third switch, a first pixel electrode, a second pixel electrode, a first capacitor, a second capacitor, a third capacitor and an insulating layer. First signal lines of the pixels are arranged in a first direction. Normal projections of a first electrode of a second capacitor of a first pixel, a first electrode of a third capacitor of the first pixel and a first via of an insulating layer of the first pixel on a first substrate are arranged in the first direction. The first conductive element is electrically connected to a second electrode of the third capacitor of the first pixel and a second electrode of the second capacitor of the first pixel through the first via of the first pixel.

Description

Display panel

The present invention relates to a display panel.

With the development of display technology, various display panels have been widely used in daily life. For example, they can be found in electronic devices such as televisions, notebook computers, desktop computers, tablet computers, and mobile phones.

The display panel includes a plurality of pixels arranged in an array. To improve the performance of the display panel, for example, to improve color wash-out, each pixel may include a primary sub-pixel and a secondary sub-pixel. Each sub-pixel includes data lines, scan lines, switching elements, pixel electrodes, common lines and other components. When the resolution of the display panel increases, the ratio of each component of each sub-pixel to the area of the sub-pixel also increases, which affects the transmittance of the display panel. Therefore, how to configure the sub-pixel components to improve the transmittance of the display panel is actually one of the problems faced by developers.

The present invention provides a display panel with high transmittance.

A display panel of the present invention includes a first substrate, a plurality of pixels, and at least one first conductive element. Each of the plurality of pixels includes a first signal line, a second signal line, a third signal line, a first switch, a second switch, a third switch, a first pixel electrode, a second pixel electrode, and a first capacitor , The second capacitor, the third capacitor and the insulating layer. Each of the first switch, the second switch, and the third switch has a first end, a control end, and a second end. Each of the first capacitor, the second capacitor, and the third capacitor has a first electrode and a second electrode. The first terminal of the first switch is electrically connected to the first signal line. The control terminal of the first switch is electrically connected to the second signal line. The second terminal of the first switch is electrically connected to the first pixel electrode and the first electrode of the first capacitor. The first terminal of the second switch is electrically connected to the first signal line. The control terminal of the second switch is electrically connected to the second signal line. The second terminal of the second switch is electrically connected to the second pixel electrode and the first electrode of the second capacitor. The first terminal of the third switch is electrically connected to the first electrode of the second capacitor. The control terminal of the third switch is electrically connected to the third signal line, and the second terminal of the third switch is electrically connected to the first electrode of the third capacitor. The insulating layer is disposed on the second electrode of the second capacitor and the second electrode of the third capacitor. The plurality of first signal lines of the plurality of pixels are arranged in the first direction. The plurality of pixels includes the first pixel. The insulating layer of the first pixel has a first contact window. A plurality of vertical projections of the first electrode of the second capacitor of the first pixel, the first electrode of the third capacitor of the first pixel, and the first contact window of the insulating layer of the first pixel on the first substrate are on the first substrate Arrange in one direction. At least one first conductive element is disposed on the insulating layer and is electrically connected to the second electrode of the third capacitor of the first pixel and the second electrode of the second capacitor of the first pixel through the first contact window of the first pixel The second electrode of the first capacitor of the first pixel is electrically connected to at least one first conductive element.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

Reference will now be made in detail to the exemplary embodiments of the present invention, and examples of the exemplary embodiments are illustrated in the accompanying drawings. Whenever possible, the same component symbols are used in the drawings and descriptions to indicate the same or similar parts.

It should be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "connected" to another element, it can be directly on or connected to the other element, or Intermediate elements can also be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements. As used herein, "connected" can refer to physical and/or electrical connection. Furthermore, "electrically connected" or "coupled" may mean that there are other elements between two elements.

As used herein, "about", "approximately", or "substantially" includes the stated value and the average value within an acceptable range of deviation from the specific value determined by a person of ordinary skill in the art, taking into account the measurement in question and the The specific amount of measurement-related error (ie, the limitation of the measurement system). For example, "about" can mean within one or more standard deviations of the stated value, or within ±30%, ±20%, ±10%, ±5%. Furthermore, "about", "approximately" or "substantially" as used herein can be based on optical properties, etching properties or other properties to select a more acceptable range of deviation or standard deviation, and not one standard deviation can be applied to all properties .

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by those of ordinary skill in the art to which the present invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be interpreted as having meanings consistent with their meaning in the context of related technologies and the present invention, and will not be interpreted as idealized or excessive The formal meaning, unless explicitly defined as such in this article.

FIG. 1 is a schematic top view of a display panel 10 according to an embodiment of the invention.

2 is an enlarged schematic diagram of a pixel PX according to an embodiment of the invention.

FIG. 3 is a schematic diagram of an equivalent circuit of a pixel PX according to an embodiment of the present invention.

4 is a schematic cross-sectional view of a display panel 10 according to an embodiment of the invention. Fig. 4 corresponds to the section line A-A’, the section line B-B’ and the section line C-C’ of Fig. 2.

For the sake of clarity, FIG. 1 omits the counter substrate 200, the first pixel electrode 161, and the second pixel electrode 162.

Please refer to FIG. 4, the display panel 10 includes a pixel array substrate 100, an opposite substrate 200 and a display medium 300. The pixel array substrate 100 includes a first substrate 110. The opposite substrate 200 includes a second substrate 210. The second substrate 210 is disposed opposite to the first substrate 110. The display medium 300 is disposed between the pixel array substrate 100 and the opposite substrate 200.

The first substrate 110 is mainly used to carry the components of the pixel array substrate 100. For example, in this embodiment, the material of the first substrate 110 may be glass, quartz, organic polymer, or opaque/reflective material (for example, conductive material, wafer, ceramic, or other applicable materials). Material), or other applicable materials.

The second substrate 210 is mainly used to package the display medium 300. For example, in this embodiment, the material of the second substrate 210 may be glass, quartz, organic polymer, or other applicable materials.

In this embodiment, the display medium 300 is, for example, liquid crystal. However, the present invention is not limited to this. According to other embodiments, the display medium 300 may also be an organic electroluminescent material or other applicable materials.

Referring to FIGS. 1, 2, 3 and 4, the pixel array substrate 100 includes a first substrate 110 and a plurality of pixels PX disposed on the first substrate 110.

Please refer to Figures 2, 3 and 4, a pixel PX includes a first signal line SL1, a second signal line SL2, a third signal line SL3, a first switch T1, a second switch T2, a The third switch T3, a first pixel electrode 161, a second pixel electrode 162, a first capacitor C1, a second capacitor C2, a third capacitor C3, and an insulating layer 130.

The first switch T1 includes a control terminal T1c, a semiconductor pattern T1d, a first terminal T1a, and a second terminal T1b. The insulating layer 130 may be disposed between the control terminal T1c and the semiconductor pattern T1d. The first terminal T1a and the second terminal T1b are respectively electrically connected to two different regions of the semiconductor pattern T1d.

The second switch T2 includes a control terminal T2c, a semiconductor pattern T2d, a first terminal T2a, and a second terminal T2b. The insulating layer 130 may be disposed between the control terminal T2c and the semiconductor pattern T2d. The first terminal T2a and the second terminal T2b are electrically connected to two different regions of the semiconductor pattern T2d, respectively.

The third switch T3 includes a control terminal T3c, a semiconductor pattern T3d, a first terminal T3a, and a second terminal T3b. The insulating layer 130 may be disposed between the control terminal T3c and the semiconductor pattern T3d. The first terminal T3a and the second terminal T3b are electrically connected to two different regions of the semiconductor pattern T3d, respectively.

The first capacitor C1 has a first electrode 141 and a second electrode 121. The second capacitor C2 has a first electrode 142 and a second electrode 122. The third capacitor C3 has a first electrode 143 and a second electrode 123. In this embodiment, the insulating layer 130 can be disposed on the second electrodes 121, 122, 123, and the first electrodes 141, 142, 143 can be disposed on the insulating layer 130, but the invention is not limited thereto.

The first terminal T1a of the first switch T1 is electrically connected to the first signal line SL1. The control terminal T1c of the first switch T1 is electrically connected to the second signal line SL2. The second terminal T1b of the first switch T1 is electrically connected to the first pixel electrode 161 and the first electrode 141 of the first capacitor C1. The first pixel electrode 161, the common electrode 220, and a portion of the display medium 300 located between the first pixel electrode 161 and the common electrode 220 form a first display medium capacitor Clc1. In this embodiment, the pixel PX may further include a first common line CL1, which is electrically connected to the second electrode 121 of the first capacitor C1.

The first terminal T2a of the second switch T2 is electrically connected to the first signal line SL1. The control terminal T2c of the second switch T2 is electrically connected to the second signal line SL2. The second terminal T2b of the second switch T2 is electrically connected to the second pixel electrode 162 and the first electrode 142 of the second capacitor C2. The second pixel electrode 162, the common electrode 220, and a portion of the display medium 300 located between the second pixel electrode 162 and the common electrode 220 form a second display medium capacitor Clc2.

The first terminal T3a of the third switch T3 is electrically connected to the first electrode 142 of the second capacitor C2. The control terminal T3c of the third switch T3 is electrically connected to the third signal line SL3. The second terminal T3b of the third switch T3 is electrically connected to the first electrode 143 of the third capacitor C3. In this embodiment, the pixel PX may further include a second common line CL2, which is electrically connected to the second electrode 122 of the second capacitor C2 and the second electrode 123 of the third capacitor C3.

For example, in this embodiment, the second signal line SL2, the third signal line SL3, the first common line CL1, the second common line CL2, the control terminal T1c of the first switch T1, and the control terminal of the second switch T2 T2c, the control terminal T3c of the third switch T3, the second electrode 121 of the first capacitor C1, the second electrode 122 of the second capacitor C2, and the second electrode 123 of the third capacitor C3 may be formed on the same first metal layer; A signal line SL1, the first terminal T1a and the second terminal T1b of the first switch T1, the first terminal T2a and the second terminal T2b of the second switch T2, the first terminal T3a and the second terminal T3b of the third switch T3, The first electrode 141 of the first capacitor C1, the first electrode 142 of the second capacitor C2, and the first electrode 143 of the third capacitor C3 can be formed on the same second metal layer; the insulating layer 130 can be provided on the first metal layer And the second metal layer, but the invention is not limited to this.

Referring to FIG. 1, FIG. 2 and FIG. 4, the plurality of pixels PX includes at least one first pixel PX1. The insulating layer 130 of each first pixel PX1 has a first contact window 131. The pixel array substrate 100 further includes at least one first conductive element 163 disposed on the insulating layer 130. Each first conductive element 163 is electrically connected to the second electrode 123 of the third capacitor C3 of the first pixel PX1 and the second capacitor C2 of the first pixel PX1 through the first contact window 131 of the first pixel PX1 The second electrode 122.

For example, in this embodiment, the pixel array substrate 100 further includes an insulating layer 150 (marked in FIG. 4), which is disposed on the second metal layer. In this embodiment, the first conductive element 163 can be disposed on the insulating layer 150, and the first conductive element 163 can be electrically connected to the first contact window 151 of the insulating layer 150 and the first contact window 131 of the insulating layer 130. The second electrode 123 of the third capacitor C3 of a pixel PX1 and the second electrode 122 of the second capacitor C2 of the first pixel PX1, but the invention is not limited thereto.

In this embodiment, the first pixel electrode 161 and the second pixel electrode 162 of one pixel PX can be disposed on the insulating layer 150. That is to say, in this embodiment, the first pixel electrode 161, the second pixel electrode 162, and the first conductive element 163 may be formed on the same film layer, but the invention is not limited to this. For example, in this embodiment, the first pixel electrode 161, the second pixel electrode 162, and the first conductive element 163 can be formed on a transparent conductive layer, which includes a metal oxide, such as indium tin oxide, Indium zinc oxide, aluminum tin oxide, aluminum zinc oxide, indium germanium zinc oxide, other suitable oxides, or a stacked layer of at least two of the foregoing, but the present invention is not limited thereto.

The first conductive element 163 is electrically connected to the second electrode 122, 123 of the second and third capacitors C2 and C3 of the first pixel PX1, and the first conductive element 163 is also electrically connected to the second electrode of the first pixel PX1. The second electrode 121 of a capacitor C1. In other words, the first conductive element 163 is used to electrically connect the first common line CL1 and the second common line CL2 of the same pixel PX.

For example, in this embodiment, the insulating layer 130 further includes a second contact window 132. The first conductive element 163 can be electrically connected to the second electrode 121 of the first capacitor C1 of the first pixel PX1 through the second contact window 152 of the insulating layer 150 and the second contact window 132 of the insulating layer 130.

1 and 2, a plurality of first signal lines SL1 of a plurality of pixels PX are arranged in a first direction x. The plurality of second signal lines SL2 of the plurality of pixels PX are arranged in a second direction y. The first direction x is staggered with the second direction y. For example, in this embodiment, the first direction x and the second direction y may be perpendicular, but the invention is not limited thereto. In addition, in this embodiment, the plurality of third signal lines SL3 of the plurality of pixels PX, the plurality of first common lines CL1, and the plurality of second common lines CL2 can be selectively arranged in the second direction y, but The present invention is not limited to this.

It is worth noting that the first electrode 141 of the second capacitor C2 of the first pixel PX1, the first electrode 143 of the third capacitor C3 of the first pixel PX1, and the first contact of the insulating layer 130 of the first pixel PX1 The multiple vertical projections of the window 131 on the first substrate 110 are arranged in the first direction x.

For example, in this embodiment, the second pixel electrode 162 of the first pixel PX1 may include a plurality of trunk portions 162a, 162b and a plurality of branch portions 162c. The trunk portion 162a extends in the first direction x. The trunk portion 162b extends in the second direction y. The plurality of trunk portions 162a, 162b cross each other. The plurality of branch portions 162c are disposed on opposite sides of the main portion 162a. The plurality of branch portions 162c are arranged on opposite sides of the main portion 162b. The plurality of backbone portions 162a, 162b cross each other to define a plurality of alignment areas DM. The plurality of branch portions 162c are respectively disposed in the plurality of alignment areas DM, and are electrically connected to the plurality of trunk portions 162a, 162b. In particular, the trunk portion 162a extends in the first direction x, and the first electrode 142 of the second capacitor C2 of the first pixel PX1 and the first electrode 143 of the third capacitor C3 of the first pixel PX1 overlap the trunk portion 162a.

In this embodiment, the display media (for example: liquid crystal) 300 respectively arranged on the plurality of alignment regions DM of the second pixel electrode 162 are arranged in different directions d1, d2, d3, d4, and are arranged separately The display medium 300 on the plurality of alignment areas DM forms discontinuous areas where the main portion 162a is located, the main portion 162b is located, and the position beside the edge k2 of the main portion 162a. Therefore, the display panel 10 presents a plurality of interlaced disclination lines at the location of the main portion 162a, the location of the main portion 162b, and the position beside the edge k2 of the main portion 162a.

In this embodiment, at least one of the first electrode 142 of the second capacitor C2 and the first electrode 143 of the third capacitor C3 overlaps the trunk portion 162a, and the first electrode 142 of the second capacitor C2 and the third capacitor C3 At least one of the first electrode 143 and the first contact window 131 of the insulating layer 130 are arranged in the extending direction (ie, the first direction x) of the trunk portion 162a. That is, at least one of the first electrode 142 of the second capacitor C2 and the first electrode 143 of the third capacitor C3 and the first contact window 131 of the insulating layer 130 are disposed at a disclination line. Thereby, the influence of the arrangement of at least one of the first electrode 142 of the second capacitor C2 and the first electrode 143 of the third capacitor C3 and the first contact window 131 on the transmittance of the display panel 10 can be reduced.

In addition, in this embodiment, the first electrode 141 of the first capacitor C1 of the first pixel PX1 and the second contact window 132 of the insulating layer 130 of the first pixel PX1 are multiple vertical projections on the first substrate 110 Can be selectively arranged in the first direction x.

For example, in this embodiment, the first pixel electrode 161 of the first pixel PX1 includes a plurality of trunk portions 161a, 161b and a plurality of branch portions 161c. The trunk portion 161a extends in the first direction x. The trunk portion 161b extends in the second direction y. The plurality of branch portions 161c are provided on opposite sides of the main trunk portion 161a. The plurality of branch portions 161c are provided on opposite sides of the main trunk portion 161b. The plurality of trunk portions 161a, 161b cross each other to define a plurality of alignment areas DM. The plurality of branch portions 161c are respectively disposed in the plurality of alignment areas DM, and are electrically connected to the plurality of trunk portions 161a, 161b. In particular, the first electrode 141 of the first capacitor C1 of the first pixel PX1 can be selectively overlapped with a trunk portion 161a.

In this embodiment, the display medium (for example: liquid crystal) 300 respectively arranged on the plurality of alignment regions DM of the first pixel electrode 161 are arranged in different directions d1, d2, d3, d4, and are arranged separately The display medium 300 on the plurality of alignment areas DM forms discontinuous areas at the positions of the main portion 161a, the main portion 161b, and the edge k1 of the main portion 161a. Therefore, the display panel 10 may exhibit multiple disclination lines where the main portion 161a is located, the main portion 161b is located, and the edge k1 of the main portion 161a is located.

In this embodiment, the first electrode 141 of the first capacitor C1 can overlap a trunk portion 162a, and the first electrode 141 of the second capacitor C1 and the second contact window 132 of the insulating layer 130 are in the extension direction of the trunk portion 162a. (That is, the first direction x) arranged in the upper direction. That is to say, in this embodiment, the first electrode 141 of the first capacitor C1 and the second contact window 132 of the insulating layer 130 may be disposed at the disclination line. Thereby, the influence of the first electrode 141 of the first capacitor C1 and the second contact window 132 of the insulating layer 130 on the transmittance of the display panel 10 can be reduced.

1 and 2, a plurality of first signal lines SL1 of a plurality of pixels PX are arranged in a first direction x, and a first pixel electrode 161 and a second pixel electrode 162 are arranged in a second direction y, The first direction x and the second direction y are staggered. The plurality of pixels PX may include a plurality of pixel rows R, and the plurality of pixels PX of each pixel row R are arranged in the second direction y.

In this embodiment, the display panel 10 may include a plurality of first conductive elements 163. Each pixel PX of each pixel row R has a second electrode 123 of a third capacitor C3, a second electrode 122 of a second capacitor C2, and a second electrode 121 of a first capacitor C1. The plurality of first conductive elements 163 connected to a corresponding first conductive element 163 and electrically connected to the pixels PX of the same pixel row R may be directly connected, but the present invention is not limited to this.

In this embodiment, the plurality of pixel rows R includes a first pixel row R1 and a second pixel row R2 adjacently arranged, and a plurality of first conductive elements electrically connected to the plurality of pixels PX of the first pixel row R1 163 may be substantially arranged above the first signal lines SL1 of the pixels PX of the second pixel row R2. That is to say, in this embodiment, the plurality of first conductive elements 163 electrically connected to the plurality of pixels PX of a pixel row R can be substantially connected to the plurality of pixels PX of the next pixel row R The first signal line SL1 overlaps, but the invention is not limited to this.

It must be noted here that the following embodiments use the element numbers and part of the content of the foregoing embodiments, wherein the same numbers are used to represent the same or similar elements, and the description of the same technical content is omitted. For the description of the omitted parts, refer to the foregoing embodiments, and the following embodiments will not be repeated.

FIG. 5 is a schematic top view of a display panel 10A according to another embodiment of the invention. FIG. 5 omits the counter substrate 200 and the first pixel electrode 161 and the second pixel electrode 162.

The display panel 10A of FIG. 5 is similar to the display panel 10 of FIG. 1. The main difference between the two is that: in the embodiment of FIG. 5, not every pixel row R is provided with a plurality of first conductive elements 163.

5, specifically, in this embodiment, the plurality of pixels PX includes a first pixel row R1, a second pixel row R2, and a third pixel row sequentially arranged in the first direction x R3. The plurality of pixels PX of the first pixel row R1, the plurality of pixels PX of the second pixel row R2, and the plurality of pixels PX of the third pixel row R3 are used to display a first color, a second color, and a The third color. For example, in this embodiment, the first color, the second color, and the third color may be green, blue, and red, respectively, but the invention is not limited thereto.

Unlike the aforementioned display panel 10, in this embodiment, the plurality of first conductive elements 163 are electrically connected to the plurality of pixels PX of the first pixel row R1, and are connected to the plurality of pixels PX of the second pixel row R2. The multiple first signal lines SL1 of the PX overlap. The plurality of first conductive elements 163 are not arranged on the plurality of first signal lines SL1 of the plurality of pixels PX of the first pixel row R1 and the plurality of first signal lines SL1 of the plurality of pixels PX of the third pixel row R3 on. Thereby, the load of the first signal line SL1 of the entire display panel 10A can be reduced, which helps to improve the performance of the display panel 10A.

In addition, it is worth mentioning that in this embodiment, the plurality of pixels PX in the second pixel row R2 are used to display blue, and the plurality of first conductive elements 163 and the plurality of pixels in the second pixel row R2 are The multiple first signal lines SL1 of the pixel PX overlap. In other words, the plurality of first conductive elements 163 mainly load the plurality of first signal lines SL1 for the plurality of pixels PX for displaying blue, because the plurality of pixels PX for displaying blue pair displays The overall brightness of the panel 10A is less affected, so the arrangement of the plurality of first conductive elements 163 is unlikely to excessively affect the overall brightness of the display panel 10A.

FIG. 6 is a schematic top view of a display panel 10B according to another embodiment of the invention. 6 omits the counter substrate 200 and the first pixel electrode 161 and the second pixel electrode 162.

The display panel 10B of FIG. 6 is similar to the display panel 10 of FIG. 1, and the main difference between the two is that: in the embodiment of FIG. 1, each pixel PX is provided with a second pixel electrically connected to the pixel PX. A common line CL1 and the first conductive element 163 of the second common line CL2 of the pixel PX, and a plurality of first conductive elements 163 on the same pixel row R are directly connected; in the embodiment of FIG. 6, not Each pixel PX is provided with a first conductive element 163 electrically connecting the first common line CL1 of the pixel PX and the second common line CL2 of the pixel PX, and a part of the pixels of all the pixels PX Only the first conductive element 163 is provided on the PX; in addition, in the embodiment of FIG. 6, in addition to the first conductive element 163, the display panel 10B further includes a second conductive element 164 and a third conductive element 165.

Referring to FIG. 6, in this embodiment, the plurality of pixels PX includes a first pixel PX1, a second pixel PX2, a third pixel PX3, and a fourth pixel PX4. The first pixel PX1 and the second pixel PX2 are arranged in the first direction x. The second pixel PX2 and the third pixel PX3 are arranged in the second direction y. The third pixel PX3 and the fourth pixel PX4 are arranged in the first direction x, and the first pixel PX1 and the fourth pixel PX4 are located on opposite sides of the second pixel PX2 and the third pixel PX3, respectively.

In this embodiment, the first pixel PX1 is used to display the first color, the second pixel PX2 and the third pixel PX3 are used to display the second color, and the fourth pixel PX4 is used to display the third color. For example, in this embodiment, the first color, the second color, and the third color can be selected from red, green, and blue, but the invention is not limited thereto.

The third pixel PX3 has a first contact window 131. The first electrode 142 of the second capacitor C2 of the third pixel PX3, the first electrode 143 of the third capacitor C3 of the third pixel PX3, and the first contact window 131 of the third pixel PX3 are formed on the first substrate 110 The multiple vertical projections are arranged in the first direction x.

The display panel 10B further includes a second conductive element 164. The second conductive element 164 is electrically connected to the second electrode 123 of the third capacitor C3 of the third pixel PX3 and the second electrode 123 of the second capacitor C2 of the third pixel PX3 through the first contact window 131 of the third pixel PX3 Electrodes 122. In this embodiment, the second conductive element 164 can also be electrically connected to the second electrode 121 of the first capacitor C1 of the second pixel PX2 through the second contact window 132 of the second pixel PX2. In short, the second conductive element 164 is electrically connected to the first common line CL1 of the second pixel PX2 and the second common line CL2 of the third pixel PX3.

The fourth pixel PX4 has a first contact window 131. The first electrode 142 of the second capacitor C2 of the fourth pixel PX4, the first electrode 143 of the third capacitor C3 of the fourth pixel PX4, and the first contact window 131 of the fourth pixel PX4 are formed on the first substrate 110 The multiple vertical projections are arranged in the first direction x.

The display panel 10B further includes a third conductive element 165. The third conductive element 165 is electrically connected to the second electrode 123 of the third capacitor C3 of the fourth pixel PX4 and the second electrode 123 of the second capacitor C2 of the fourth pixel PX4 through the first contact window 131 of the fourth pixel PX4 Electrodes 122. In this embodiment, the third conductive element 165 can also be electrically connected to the second electrode 121 of the first capacitor C1 of the fourth pixel PX4 through the second contact window 132 of the fourth pixel PX4. In short, the third conductive element 165 is electrically connected to the second common line CL2 of the fourth pixel PX4 and the first common line CL1 of the fourth pixel PX4.

In this embodiment, the plurality of first common lines CL1 and the plurality of second common lines CL2, which are adjacent to each other and alternately arranged, utilize the first conductive element 163, the second conductive element 164, and the third conductive element 165 to be electrically connected to each other. connection.

In this embodiment, the first conductive element 163, the second conductive element 164, and the third conductive element 165 are not aligned in the first direction x and the second direction y.

The first conductive element 163, the second conductive element 164, and the third conductive element 165 for connecting the adjacent first common lines CL1 and the second common lines CL2 are dispersedly arranged in the display of different colors. Multiple pixels on PX. In this way, the load of the first signal line SL1 that can display a plurality of pixels PX of different colors is evenly distributed, which helps to improve the performance of the display panel 10B.

FIG. 7 is a schematic top view of a display panel 10C according to still another embodiment of the invention. FIG. 7 omits the counter substrate 200 and the first pixel electrode 161 and the second pixel electrode 162.

The display panel 10C of FIG. 7 is similar to the display panel 10B of FIG. 6, and the main differences between the two are as follows.

Please refer to FIG. 7, in this embodiment, each pixel PX has a first side (for example, the right side) and a second side (for example: the left side) opposite to each other, and multiple pixels PX except for the first pixel PX1 In addition to the second pixel PX2, the third pixel PX3, and the fourth pixel PX4, the multiple pixels PX also include the fifth pixel PX5, the sixth pixel PX6, the seventh pixel PX7, and the eighth pixel PX8 . The fifth pixel PX5, the sixth pixel PX6, the seventh pixel PX7, and the eighth pixel PX8 are respectively located on the first side of the first pixel PX1, the first side of the second pixel PX2, and the third pixel PX3 And the first side of the fourth pixel PX4, and the fifth pixel PX5, the sixth pixel PX6, the seventh pixel PX7, and the eighth pixel PX8 are respectively the same as the first pixel PX1 and the second pixel The pixel PX2, the third pixel PX3, and the fourth pixel PX4 are aligned in the first direction x.

The first conductive element 163 overlaps the first signal line SL1 of the fifth pixel PX5. The second conductive element 164 overlaps the first signal line SL1 of the sixth pixel PX6 and the first signal line SL1 of the seventh pixel PX7. The third conductive element 165 overlaps the first signal line SL1 of the eighth pixel PX8.

In particular, in this embodiment, the fifth pixel PX5, the sixth pixel PX6, the seventh pixel PX7, and the eighth pixel PX8 are used to display blue. That is to say, the first conductive element 163, the second conductive element 164, and the third conductive element 165 for connecting a plurality of adjacent first and second common lines CL1 and CL2 are arranged in the plurality of lines for displaying blue. On the multiple first signal lines SL1 of the pixel PX.

In this embodiment, not only the load of the first signal line SL1 of the entire display panel 10C is low, the first conductive element 163, the second conductive element 164, and the third conductive element 165 can be more dispersed and have a dot-like appearance. The distribution helps to improve the visual effect of the display panel 10C.

FIG. 8 is a schematic top view of a display panel 10D according to an embodiment of the invention. For clarity of illustration, the counter substrate 200 and the first pixel electrode 161 and the second pixel electrode 162 are omitted in FIG. 8.

Figure 9 is a schematic top view of a pixel PX' according to an embodiment of the present invention.

10 is a schematic cross-sectional view of a display panel 10D according to an embodiment of the invention. Fig. 10 corresponds to the section line A-A’, the section line B-B’ and the section line C-C’ of Fig. 9.

The display panel 10D in FIG. 8 is similar to the display panel 10 in FIG. 1. The main difference between the two is: the pixel PX' in FIG. 8 is slightly different from the pixel PX in FIG. 1.

8 and 9, specifically, in the present embodiment, the insulating layer 130 of the pixel PX' does not have the aforementioned second contact window 132, and the insulating layer 130 of the pixel PX' has different positions The third contact window 133.

Please refer to FIGS. 8, 9 and 10. Specifically, in this embodiment, the display panel 10D further includes a spacer 230 disposed between the first substrate 110 and the second substrate 210. For example, in this embodiment, the spacer 230 can be selectively disposed on the second substrate 210. However, the present invention is not limited to this. According to other embodiments, the spacer 230 may also be disposed on the first substrate 110.

The insulating layer 130 of the pixel PX' further includes a third contact window 133. In this embodiment, the first conductive element 163 is electrically connected to the second electrode 121 of the first capacitor C1 of the pixel PX' through the third contact window 133 of the insulating layer 130 and the third contact window 133 of the insulating layer 150. In particular, the third contact window 133 overlaps the spacer 230. In other words, in this embodiment, the third contact window 133 is disposed in the original opaque area of the display panel 10D, and the arrangement of the third contact window 133 does not easily affect the transmittance of the display panel 10D.

FIG. 11 is a schematic top view of a display panel 10E according to another embodiment of the invention. For the sake of clarity, the counter substrate 200 and the first pixel electrode 161 and the second pixel electrode 162 are omitted in FIG. 11.

The display panel 10E of FIG. 11 is similar to the display panel 10D of FIG. 8. The main difference between the two is: in the embodiment of FIG. 8, each pixel PX of the (1+3n)-th pixel row R is provided with electrical properties. The first conductive element 163 connecting the first common line CL1 of the pixel PX and the second common line CL2 of the pixel PX, and the plurality of pixels PX of the (1+3n)th pixel row R The first conductive element 163 is directly connected, where n=0 or a positive integer; in the embodiment of FIG. 11, not all the first conductive elements 163 are provided on each pixel PX of the (1+3n)-th pixel row R. And the plurality of first conductive elements 163 on the same (1+3n)th pixel row R are structurally separated; in addition, in the embodiment of FIG. 11, the display panel 10E includes an electrical connection for electrically connecting the first pixel PX1 In addition to the first conductive element 163 of the first common line CL1 and the second common line CL2 of the first pixel PX1, the display panel 10E further includes a second conductive element 164 and a third conductive element 165.

Please refer to FIG. 11. Specifically, in this embodiment, the display panel 10E further includes a second conductive element 164. The second conductive element 164 is electrically connected to the second electrode 123 of the third capacitor C3 of the third pixel PX3 and the second electrode 123 of the second capacitor C2 of the third pixel PX3 through the first contact window 131 of the third pixel PX3 Electrodes 122. In this embodiment, the second conductive element 164 can also be electrically connected to the second electrode 121 of the first capacitor C1 of the second pixel PX2 through the third contact window 133 of the second pixel PX2.

The display panel 10E further includes a third conductive element 165. The third conductive element 165 is electrically connected to the second electrode 123 of the third capacitor C3 of the fourth pixel PX4 and the second electrode 123 of the second capacitor C2 of the fourth pixel PX4 through the first contact window 131 of the fourth pixel PX4 Electrodes 122. In this embodiment, the third conductive element 165 can also be electrically connected to the second electrode 121 of the first capacitor C1 of the fourth pixel PX4 through the third contact window 133 of the fourth pixel PX4.

FIG. 12 is a schematic top view of a display panel 10F according to another embodiment of the invention. FIG. 12 omits the counter substrate 200 and the first pixel electrode 161 and the second pixel electrode 162.

The display panel 10F of FIG. 12 is similar to the display panel 10E of FIG. 11, and the main differences between the two are as follows.

Please refer to FIG. 12, in this embodiment, each pixel PX' has a first side (for example: the right side) and a second side (for example: the left side) opposite to each other, and a plurality of pixels PX' except for the first picture In addition to the pixel PX1, the second pixel PX2, the third pixel PX3, and the fourth pixel PX4, the multiple pixels PX' also include the fifth pixel PX5, the sixth pixel PX6, the seventh pixel PX7, and the eighth pixel. Pixel PX8. The fifth pixel PX5, the sixth pixel PX6, the seventh pixel PX7, and the eighth pixel PX8 are respectively located on the first side of the first pixel PX1, the first side of the second pixel PX2, and the third pixel PX3 And the first side of the fourth pixel PX4, and the fifth pixel PX5, the sixth pixel PX6, the seventh pixel PX7, and the eighth pixel PX8 are respectively the same as the first pixel PX1 and the second pixel The pixel PX2, the third pixel PX3, and the fourth pixel PX4 are aligned in the first direction x.

The first conductive element 163 overlaps the first signal line SL1 of the fifth pixel PX5. The second conductive element 164 overlaps the first signal line SL1 of the sixth pixel PX6 and the first signal line SL1 of the seventh pixel PX7. The third conductive element 165 overlaps the first signal line SL1 of the eighth pixel PX8.

In particular, in this embodiment, the fifth pixel PX5, the sixth pixel PX6, the seventh pixel PX7, and the eighth pixel PX8 are used to display blue. That is to say, the first conductive element 163, the second conductive element 164, and the third conductive element 165 for connecting a plurality of adjacent first and second common lines CL1 and CL2 are arranged in the plurality of lines for displaying blue. On the multiple first signal lines SL1 of the pixel PX'.

In this embodiment, not only the load of the first signal line SL1 of the entire display panel 10F is low, the first conductive element 163, the second conductive element 164, and the third conductive element 165 can be more dispersed and have a dot-shaped macroscopic view. The distribution helps to improve the visual effect of the display panel 10F.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to those defined by the attached patent scope.

10, 10A, 10B, 10C, 10D, 10E, 10F: display panel 100: Pixel array substrate 110: The first substrate 121, 122, 123: second electrode 130, 150: insulating layer 131, 151: the first contact window 132, 152: second contact window 133: The third contact window 141, 142, 143: first electrode 161: The first pixel electrode 161a, 161b, 162a, 162b: main staff 161c, 162c: branch 162: The second pixel electrode 163: The first conductive element 164: second conductive element 165: The third conductive element 200: Opposite substrate 210: Second substrate 220: Common electrode 230: Spacer 300: display medium A-A’, B-B’, C-C’: cut line C1: The first capacitor C2: Second capacitor C3: The third capacitor Clc1: The first display medium capacitance Clc2: The second display medium capacitance CL1: The first common line CL2: The second common line DM: Orientation area d1, d2, d3, d4: direction k1, k2: edge PX, PX’: pixel PX1: the first pixel PX2: second pixel PX3: The third pixel PX4: Fourth pixel PX5: The fifth pixel PX6: The sixth pixel PX7: seventh pixel PX8: Eighth pixel R: pixel row R1: the first pixel row R2: second pixel row R3: The third pixel row SL1: the first signal line SL2: The second signal line SL3: The third signal line T1: First switch T2: second switch T3: third switch T1a, T2a, T3a: the first end T1b, T2b, T3b: second end T1c, T2c, T3c: control terminal T1d, T2d, T3d: semiconductor pattern x: first direction y: second direction

FIG. 1 is a schematic top view of a display panel 10 according to an embodiment of the invention. 2 is an enlarged schematic diagram of a pixel PX according to an embodiment of the invention. FIG. 3 is a schematic diagram of an equivalent circuit of a pixel PX according to an embodiment of the present invention. 4 is a schematic cross-sectional view of a display panel according to an embodiment of the invention. Fig. 4 corresponds to the section line A-A’, the section line B-B’ and the section line C-C’ of Fig. 2. FIG. 5 is a schematic top view of a display panel 10A according to another embodiment of the invention. FIG. 6 is a schematic top view of a display panel 10B according to another embodiment of the invention. FIG. 7 is a schematic top view of a display panel 10C according to still another embodiment of the invention. FIG. 8 is a schematic top view of a display panel 10D according to an embodiment of the invention. Figure 9 is a schematic top view of a pixel PX' according to an embodiment of the present invention. 10 is a schematic cross-sectional view of a display panel 10D according to an embodiment of the invention. FIG. 11 is a schematic top view of a display panel 10E according to another embodiment of the invention. FIG. 12 is a schematic top view of a display panel 10F according to another embodiment of the invention.

121, 122, 123: second electrode 131: The first contact window 132: The second contact window 141, 142, 143: first electrode 161: The first pixel electrode 161a, 161b, 162a, 162b: main staff 161c, 162c: branch 162: The second pixel electrode 163: The first conductive element A-A’, B-B’, C-C’: cut line C1: The first capacitor C2: Second capacitor C3: The third capacitor CL1: The first common line CL2: The second common line DM: Orientation area d1, d2, d3, d4: direction k1, k2: edge PX: pixel PX1: the first pixel SL1: the first signal line SL2: The second signal line SL3: The third signal line T1: First switch T2: second switch T3: third switch T1a, T2a, T3a: the first end T1b, T2b, T3b: second end T1c, T2c, T3c: control terminal T1d, T2d, T3d: semiconductor pattern x: first direction y: second direction

Claims (17)

A display panel including: A first substrate; A plurality of pixels are arranged on the first substrate, wherein each of the pixels includes: A first signal line; A second signal line; A third signal line; A first switch, a second switch, and a third switch, wherein each of the first switch, the second switch, and the third switch has a first end, a control end, and a second end; A first pixel electrode and a second pixel electrode; A first capacitor, a second capacitor, and a third capacitor, wherein each of the first capacitor, the second capacitor, and the third capacitor has a first electrode and a second electrode; the first switch The first terminal is electrically connected to the first signal line, the control terminal of the first switch is electrically connected to the second signal line, and the second terminal of the first switch is electrically connected to the first pixel electrode And the first electrode of the first capacitor; the first end of the second switch is electrically connected to the first signal line, the control end of the second switch is electrically connected to the second signal line, the first The second terminal of the two switches is electrically connected to the second pixel electrode and the first electrode of the second capacitor; the first terminal of the third switch is electrically connected to the first electrode of the second capacitor , The control terminal of the third switch is electrically connected to the third signal line, and the second terminal of the third switch is electrically connected to the first electrode of the third capacitor; and An insulating layer disposed on the second electrode of the second capacitor and the second electrode of the third capacitor; and At least one first conductive element, wherein the plurality of first signal lines of the pixels are arranged in a first direction, the pixels include a first pixel, and the insulating layer of the first pixel has a first pixel A contact window, the first electrode of the second capacitor of the first pixel, the first electrode of the third capacitor of the first pixel, and the first contact of the insulating layer of the first pixel A plurality of vertical projections of windows on the first substrate are arranged in the first direction, and the at least one first conductive element is disposed on the insulating layer and is electrically connected to the first contact window through the first pixel The second electrode of the third capacitor of the first pixel and the second electrode of the second capacitor of the first pixel, and the second electrode of the first capacitor of the first pixel is electrical Connected to the at least one first conductive element. The display panel according to claim 1, wherein the second pixel electrode of the first pixel includes: A main cadre; and A plurality of branch parts are respectively arranged on opposite sides of the main part and electrically connected to the main part, wherein the main part extends in the first direction, and the second capacitor of the first pixel At least one of the first electrode and the first electrode of the third capacitor of the first pixel overlaps the trunk portion. The display panel according to claim 1, wherein the insulating layer of the first pixel further includes a second contact window, and the at least one first conductive element is electrically connected to the first contact window through the second contact window. The second electrode of the first capacitor of a pixel, and the first electrode of the first capacitor of the first pixel and the second contact window of the insulating layer of the first pixel are on the first pixel The multiple vertical projections on the substrate are arranged in the first direction. The display panel according to claim 3, wherein the first pixel electrode of the first pixel includes: A main cadre; and A plurality of branch parts are respectively arranged on opposite sides of the main part and electrically connected to the main part, wherein the main part extends in the first direction, and the first capacitor of the first pixel The first electrode overlaps the trunk part. The display panel according to item 3 of the scope of patent application, wherein the first pixel electrode and the second pixel electrode are arranged in a second direction, the first direction and the second direction are staggered, and the pixels Comprising a first pixel row, a plurality of pixels of the first pixel row are arranged in the second direction, and the at least one first conductive element is electrically connected to a plurality of the pixels of the first pixel row The plurality of second electrodes of the third capacitor, the plurality of second electrodes of the plurality of second capacitors, and the plurality of second electrodes of the plurality of first capacitors. As for the display panel described in claim 5, the pixels further include a second pixel row arranged beside the first pixel row, and the pixels of the second pixel row are in the second direction In the upper arrangement, the at least one first conductive element overlaps with the first signal lines of the pixels of the second pixel row, and the pixels of the second pixel row are used to display blue. The display panel according to claim 3, wherein the pixels further include a second pixel and a third pixel, and the first pixel and the second pixel are arranged in the first direction , The second pixel and the third pixel are arranged in a second direction, the first direction is staggered with the second direction, and the display panel further includes: A second conductive element, wherein the insulating layer of the third pixel has a first contact window, the first electrode of the second capacitor of the third pixel, and the third capacitor of the third pixel A plurality of vertical projections of the first contact window of the insulating layer of the first electrode and the third pixel on the first substrate are arranged in the first direction, and the second conductive element is arranged on the third picture On the insulating layer of the third pixel and electrically connected to the second electrode of the third capacitor of the third pixel and the second capacitor of the third capacitor through the first contact window of the third pixel The second electrode and the second electrode of the first capacitor of the second pixel are electrically connected to the second conductive element. As for the display panel of claim 7, wherein the pixels further include a fourth pixel, the third pixel and the fourth pixel are arranged in the first direction, and the first pixel And the fourth pixel are respectively located on opposite sides of the second pixel and the third pixel, and the display panel further includes: A third conductive element, wherein the insulating layer of the fourth pixel has a first contact window, the first electrode of the second capacitor of the fourth pixel, and the third capacitor of the fourth pixel A plurality of vertical projections of the first contact window of the insulating layer of the first electrode and the fourth pixel on the first substrate are arranged in the first direction, and the third conductive element is arranged on the fourth picture On the insulating layer of the fourth pixel and electrically connected to the second electrode of the third capacitor of the fourth pixel and the second capacitor of the fourth pixel through the first contact window of the fourth pixel The second electrode and the second electrode of the first capacitor of the fourth pixel are electrically connected to the third conductive element. For the display panel described in claim 8, wherein the first pixel is used to display a first color, the second pixel and the third pixel are used to display a second color, and the fourth pixel The pixel is used to display a third color. As for the display panel described in claim 8, wherein each of the pixels has a first side and a second side opposite to each other, and the pixels further include a fifth pixel and a sixth picture. Pixel, a seventh pixel and an eighth pixel, the fifth pixel, the sixth pixel, the seventh pixel, and the eighth pixel are respectively located on the first side of the first pixel, The first side of the second pixel, the first side of the third pixel, and the first side of the fourth pixel, and the fifth pixel, the sixth pixel, and the seventh pixel Pixel and the eighth pixel are respectively aligned with the first pixel, the second pixel, the third pixel, and the fourth pixel in the first direction, wherein the at least one first conductive element overlaps The first signal line of the fifth pixel, the second conductive element overlaps the first signal line of the sixth pixel and the first signal line of the seventh pixel, and the third conductive element overlaps The first signal line of the eighth pixel, and the fifth pixel, the sixth pixel, the seventh pixel, and the eighth pixel are used to display blue. The display panel according to claim 1, wherein the insulating layer of the first pixel further includes a third contact window, and the at least one first conductive element is electrically connected to the first contact window through the third contact window. The second electrode of the first capacitor of one pixel, and the display panel further includes: A second substrate disposed opposite to the first substrate; and A spacer is arranged between the first substrate and the second substrate and overlaps the third contact window of the insulating layer of the first pixel. The display panel according to claim 11, wherein the first pixel electrode and the second pixel electrode are arranged in a second direction, the first direction and the second direction are staggered, and the pixels Comprising a first pixel row, a plurality of pixels of the first pixel row are arranged in the second direction, and the at least one first conductive element is electrically connected to a plurality of the pixels of the first pixel row The plurality of second electrodes of the third capacitor, the plurality of second electrodes of the plurality of second capacitors, and the plurality of second electrodes of the plurality of first capacitors. The display panel according to claim 12, wherein the pixels further include a second pixel row arranged beside the first pixel row, and the pixels of the second pixel row are in the second direction In the upper arrangement, the at least one first conductive element overlaps with the first signal lines of the pixels of the second pixel row, and the pixels of the second pixel row are used to display blue. The display panel according to claim 11, wherein the pixels further include a second pixel and a third pixel, and the first pixel and the second pixel are arranged in the first direction , The second pixel and the third pixel are arranged in a second direction, the first direction is staggered with the second direction, and the display panel further includes: A second conductive element, wherein the insulating layer of the third pixel has a first contact window, the first electrode of the second capacitor of the third pixel, and the third capacitor of the third pixel A plurality of vertical projections of the first contact window of the insulating layer of the first electrode and the third pixel on the first substrate are arranged in the first direction, and the second conductive element is arranged on the third picture On the insulating layer of the third pixel and electrically connected to the second electrode of the third capacitor of the third pixel and the second capacitor of the third capacitor through the first contact window of the third pixel The second electrode and the second electrode of the first capacitor of the second pixel are electrically connected to the second conductive element. For the display panel of claim 14, wherein the pixels further include a fourth pixel, the third pixel and the fourth pixel are arranged in the second direction, and the first pixel And the fourth pixel are respectively located on opposite sides of the second pixel and the third pixel, and the display panel further includes: A third conductive element, wherein the insulating layer of the fourth pixel has a first contact window, the first electrode of the second capacitor of the fourth pixel, and the third capacitor of the fourth pixel A plurality of vertical projections of the first contact window of the insulating layer of the first electrode and the fourth pixel on the first substrate are arranged in the first direction, and the third conductive element is arranged on the fourth picture On the insulating layer of the fourth pixel and electrically connected to the second electrode of the third capacitor of the fourth pixel and the second capacitor of the fourth pixel through the first contact window of the fourth pixel The second electrode and the second electrode of the first capacitor of the fourth pixel are electrically connected to the third conductive element. For the display panel described in claim 15, wherein the first pixel is used to display a first color, the second pixel and the third pixel are used to display a second color, and the fourth pixel The pixel is used to display a third color. As for the display panel described in claim 15, wherein each of the pixels has a first side and a second side opposite to each other, and the pixels further include a fifth pixel and a sixth picture. Pixel, a seventh pixel and an eighth pixel, the fifth pixel, the sixth pixel, the seventh pixel, and the eighth pixel are respectively located on the first side of the first pixel, The first side of the second pixel, the first side of the third pixel, and the first side of the fourth pixel, and the fifth pixel, the sixth pixel, and the seventh pixel Pixel and the eighth pixel are respectively aligned with the first pixel, the second pixel, the third pixel, and the fourth pixel in the first direction, wherein the at least one first conductive element overlaps The first signal line of the fifth pixel, the second conductive element overlaps the first signal line of the sixth pixel and the first signal line of the seventh pixel, and the third conductive element overlaps The first signal line of the eighth pixel, and the fifth pixel, the sixth pixel, the seventh pixel, and the eighth pixel are used to display blue.

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