CN203365866U - Liquid crystal display panel and display device - Google Patents

Abstract

The utility model provides a liquid crystal display panel and a display device. The liquid crystal display panel comprises an upper substrate and a lower substrate, wherein the upper substrate and the lower substrate are arranged oppositely. The lower substrate is provided with a plurality of first electrodes and a plurality of second electrodes, wherein the first electrodes and the second electrodes are arranged in an alternating mode. The upper substrate is provided with a plurality of third electrodes. According to the technical scheme, electric field distribution of a crystal liquid crystal layer of the liquid crystal display panel can be improved, transmittance of the liquid crystal display panel is improved, and the voltage value Vop corresponding to the maximum transmittance is lowered.

Description

A kind of liquid crystal panel and display device

technical field

The utility model relates to the field of display technology, in particular to a liquid crystal panel and a display device.

Background technique

Thin Film Transistor Liquid Crystal Display (TFT-LCD for short) is widely used because of its fast response time, low driving voltage, and good grayscale display. The TFT-LCD liquid crystal panel includes an array substrate, a color filter substrate, and a liquid crystal layer filled between the array substrate and the color filter substrate. According to the difference in the direction of the electric field driving the liquid crystal, the liquid crystal display device can be divided into a variety of modes, including twisted nematic (TN) mode, vertical alignment (VA) mode, in-plane switching (IPS) mode, boundary field switching (FFS) mode and Advanced hyperdimensional field switch (ADS) mode, etc. In the twisted nematic (TN) mode, the initial state of the liquid crystal is parallel to the array substrate, and the liquid crystal is twisted after the voltage is applied, and the degree of twisting of the liquid crystal is controlled by controlling the magnitude of the voltage, so as to achieve the purpose of modulating the transmittance (display gray scale) . Due to the optical anisotropy of liquid crystal molecules, there is a defect that the viewing angle of the screen is too narrow. Therefore, the existing technology proposes a new liquid crystal driving mode that can widen the viewing angle, that is, In-Plane Switching (IPS for short) mode, also It is called lateral electric field mode thin film transistor liquid crystal display (IPS type TFT-LCD for short).

The electrode structure in the traditional IPS type TFT-LCD panel is shown in Figure 1, the pixel electrode 1 and the common electrode 2 are formed on the same surface of the lower substrate (array substrate) 4 of the TFT-LCD substrate, and the upper substrate (color substrate) No electrode is fabricated on the membrane substrate) 3 . After the voltage is applied, since the pixel electrode 1 and the common electrode 2 are on the same plane, a horizontal electric field is formed between the pixel electrode 1 and the common electrode 2, and the area directly above the pixel electrode 1 and the common electrode 2 does not form an electric field, and the liquid crystal in this area Molecules cannot rotate, so that light cannot pass through this area, resulting in low transmittance of the liquid crystal panel.

Utility model content

The utility model provides a liquid crystal panel and a display device to improve the horizontal electric field of the liquid crystal display device, increase the transmittance, and reduce the corresponding pixel electrode voltage value V _op when the transmittance reaches the maximum value.

In order to achieve the above object, the utility model provides a liquid crystal panel, the liquid crystal panel includes: an upper substrate, a lower substrate, and a liquid crystal layer between the upper substrate and the lower substrate, the lower substrate is formed with a plurality of alternating The first electrode and the second electrode are arranged, and a plurality of third electrodes are formed on the upper substrate.

Optionally, the first electrode is set corresponding to the third electrode, the first electrode is a first common electrode, the third electrode is a second common electrode, and the second electrode is a pixel electrode.

Optionally, the second common electrode is vertically mirror-symmetrical to the first common electrode.

Optionally, the upper substrate is formed with a plurality of fourth electrodes, and the third electrodes are arranged alternately with the fourth electrodes.

Optionally, the first electrode is set corresponding to the third electrode, the second electrode is set corresponding to the fourth electrode, the first electrode is the first common electrode, and the third electrode is the first common electrode. Two common electrodes, the second electrode is the first pixel electrode, and the fourth electrode is the second pixel electrode.

Optionally, the second common electrode is vertically symmetrical to the first common electrode; the second pixel electrode is vertically symmetrical to the first pixel electrode.

Optionally, the areas of the first electrode, the second electrode, the third electrode and the fourth electrode are equal.

Optionally, the first electrode, the second electrode, the third electrode and the fourth electrode are all strip-shaped electrodes.

Optionally, the width of the first electrode, the second electrode, the third electrode and the fourth electrode is 4.6-5.2 μm, the distance between the first electrode and the second electrode is 1.8-3.4 μm, and the The distance between the third electrode and the fourth electrode is 1.8-3.4 μm.

To achieve the above object, the utility model provides a display device, which is characterized in that it includes the above-mentioned liquid crystal panel.

The utility model provides a liquid crystal panel and a display device. The liquid crystal panel comprises: an upper substrate and a lower substrate oppositely arranged, and a plurality of alternately arranged first electrodes and second electrodes are formed on the lower substrate. A plurality of third electrodes are formed on the upper substrate. By adding electrodes on the upper substrate, it can improve the electric field distribution of the liquid crystal layer of the liquid crystal panel, increase the transmittance of the liquid crystal panel, and reduce the corresponding voltage value V when the maximum transmittance is reached. _op .

Description of drawings

FIG. 1 is a structural schematic diagram of an IPS liquid crystal panel in the prior art;

Fig. 2 is a schematic structural diagram of a liquid crystal panel provided by Embodiment 1 of the present invention;

Fig. 3 is a schematic structural diagram of a liquid crystal panel provided by Embodiment 2 of the present invention;

FIG. 4 is a schematic structural diagram of a liquid crystal panel provided by Embodiment 3 of the present invention.

Detailed ways

In order for those skilled in the art to better understand the technical solution of the utility model, a liquid crystal panel and a display device provided by the utility model will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1 , the first electrode (pixel electrode) 1 and the second electrode (common electrode) 2 of the existing IPS mode liquid crystal panel are both formed on the lower substrate (array substrate), and the upper substrate has no electrode structure. After the voltage is applied, a horizontal electric field will be formed between the first electrode 1 and the second electrode 2, however, no electric field will be formed in the area directly above the first electrode 1 and the second electrode 2, and the liquid crystal molecules in this area cannot rotate, so that Light cannot pass through this area, resulting in low transmittance of the liquid crystal panel. Generally speaking, the transmittance of the existing IPS mode liquid crystal display device is only about 78% compared with that of the TN mode liquid crystal display device.

In order to solve the above-mentioned technical problems, an embodiment of the present invention provides a liquid crystal panel, including an upper substrate and a lower substrate, a first electrode and a second electrode are formed on the lower substrate, a third electrode is formed on the upper substrate, or a third electrode and fourth electrode. After the voltage is applied, a horizontal electric field can be formed between the first electrode and the second electrode on the lower substrate, and a horizontal auxiliary electric field can also be formed between the third electrode on the upper substrate, or the third electrode and the fourth electrode on the upper substrate A horizontal electric field can also be formed between them. The transmittance of the liquid crystal panel with this electrode structure is greatly improved, and the corresponding voltage value V _op at which the transmittance reaches the maximum value is significantly reduced.

Fig. 2 is a structural schematic diagram of a liquid crystal panel provided by Embodiment 1 of the present utility model. As shown in Fig. 2, the liquid crystal panel includes: an upper substrate 3 and a lower substrate 4 which are oppositely arranged, and the lower substrate 4 faces one side of the upper substrate 3 A plurality of alternately arranged first electrodes 5 and second electrodes 6 are formed on the side of the upper substrate 3 , and a plurality of third electrodes 7 are formed on the side of the upper substrate 3 facing the lower substrate 4 .

Wherein, the upper substrate 3 and the lower substrate 4 are arranged opposite to each other, the first electrodes 5 and the second electrodes 6 are alternately arranged on the lower substrate 4 , and the third electrodes 7 are formed on the upper substrate 3 . Preferably, the first electrodes 5 and the third electrodes 7 are arranged correspondingly, specifically, a plurality of third electrodes 7 and a plurality of first electrodes 5 are arranged in one-to-one correspondence, and the third electrodes 7 correspond to the first electrodes 5 and have the same area . The third electrode 7 is disposed at the position of the orthographic projection of the first electrode 5 on the lower substrate 4 on the upper substrate 3 , and the third electrode 7 has the same shape and the same area as the first electrode 5 . The width of the first electrode, the second electrode and the third electrode may be 4.6-5.2 μm, and the distance between the first electrode and the second electrode may be 1.8-3.4 μm. In this embodiment, the first electrode 5 is a first common electrode, the second electrode 6 is a pixel electrode, and the third electrode 7 is a second common electrode, and the polarities of adjacent first common electrodes are opposite. Preferably, the first electrode 5 and the third electrode 7 are vertically mirror-symmetrical, and the voltage value of the second common electrode is the same as that of the mirror-symmetrical first common electrode. The first common electrode, the second common electrode and the pixel electrode are strip-shaped and have the same area.

Specifically, among the plurality of first common electrodes 5 on the lower substrate 4, the voltages of adjacent first common electrodes are different, the voltage value of the first common electrode 5a is V ₁ , and the voltage value of the adjacent first common electrode 5b is V1. The value is V ₂ . The polarities of the adjacent first common electrodes 5 are opposite (that is, the polarities of the voltages applied to the adjacent first common electrodes 5 are opposite), if the voltage value of the first common electrode 5a is +V, the first common The voltage value of the electrode 5b is -V. Among the plurality of second common electrodes 7 on the upper substrate 3, the adjacent second common electrodes have different voltages, the voltage value of the second common electrode 7a is V ₃ , and the voltage value of the adjacent second common electrode 7b is V ₄ . The polarities of adjacent first common electrodes 7 are opposite, for example, the voltage value applied to the second common electrode 7a is +V, and the voltage value applied to the second common electrode 7b is -V. An auxiliary horizontal electric field can be formed between the adjacent first common electrodes 5a and 5b on the lower substrate 4, and an auxiliary horizontal electric field can be formed between the adjacent second common electrodes 7a and 7b on the upper substrate 3, which improves the liquid crystal in the liquid crystal panel. The electric field distribution of the layer improves the transmittance and reduces the pixel electrode voltage value V _op corresponding to the maximum transmittance.

The lower substrate 4 is formed with a plurality of alternately arranged first common electrodes 5 and first pixel electrodes 6 , and the upper substrate is formed with a plurality of second common electrodes 7 . In the manner described above, since the first common electrodes 5 and the first pixel electrodes 6 on the lower substrate 4 are alternately arranged, a horizontal electric field can be formed between adjacent electrodes on the lower substrate 4 when power is applied, and at the same time, the upper substrate 3 A plurality of second common electrodes 7 are arranged on it, and the voltages applied to the adjacent second common electrodes 7a and 7b are different, for example, the polarities of the voltages applied to the adjacent second common electrodes 7a and 7b are opposite, so when applying When electrified, a horizontal auxiliary electric field can be formed between adjacent electrodes on the upper substrate 3, and a horizontal auxiliary electric field can be formed between adjacent electrodes on the lower substrate 4, so that the electrode structure of the present invention has the advantages of the existing IPS mode. A parallel electric field can be generated between the electrodes on the same plane, so that the aligned liquid crystal molecules between the electrodes and directly above the electrodes can rotate in a plane direction parallel to the substrate, thereby improving the light transmittance of the liquid crystal layer. The maximum transmittance of the liquid crystal panel adopting the traditional IPS mode is 78%, and the corresponding voltage value V _op is 8.5V when the maximum transmittance of the liquid crystal panel is reached. In this embodiment, the maximum transmittance of the liquid crystal panel is 83.18%, and the corresponding voltage value V _op when reaching the maximum transmittance of the liquid crystal panel is 7V, which is better than that of the liquid crystal panel using the traditional IPS mode.

The liquid crystal panel structure in this embodiment also includes: the second common electrode 7a connection line 8 and the second common electrode 7b connection line 10 arranged on the upper substrate 3, the first common electrode 5a connection line 9 and the first common electrode 5a arranged on the lower substrate 4 The first common electrode 5b is connected to the connecting line 11, the second common electrode 7a is connected to the connecting line 8, the second common electrode 7b is connected to the connecting line 10, the first common electrode 5a is connected to the connecting line 9, and the first common electrode 5b is connected to the connecting line 11 connections.

In this embodiment, other structures of the liquid crystal panel are the same as the existing liquid crystal panel, specifically including an upper substrate, a lower substrate, and a liquid crystal layer disposed between the upper and lower substrates. A liquid crystal panel includes a plurality of gate lines, a plurality of data lines, and a plurality of common electrode lines. The gate lines and data lines are divided into a plurality of pixel units, and each pixel unit includes a thin film transistor, a pixel electrode and a common electrode. The thin film transistor includes Gate, source, and drain. The drain of the TFT is connected to the pixel electrode, the gate is connected to the gate line, the source is connected to the data line, and the common electrode line is connected to the common electrode.

The liquid crystal panel in this embodiment includes: an upper substrate, a lower substrate arranged oppositely, and a liquid crystal layer between the upper substrate and the lower substrate, a plurality of alternately arranged first electrodes and second electrodes are formed on the lower substrate, and the upper substrate A plurality of third electrodes are formed on the upper substrate. By setting the third electrodes on the upper substrate and applying a fixed voltage to the third electrodes at the same time, the polarities of adjacent third electrodes are opposite, which can improve the electric field distribution of the liquid crystal layer of the liquid crystal panel and improve The transmittance of the liquid crystal panel, and at the same time reduce the corresponding voltage value V _op when the maximum transmittance is reached.

Fig. 3 is a schematic structural diagram of a liquid crystal panel provided by Embodiment 2 of the present invention. As shown in Fig. 3, the liquid crystal panel includes: an upper substrate 3 and a lower substrate 4 which are oppositely arranged, and the lower substrate 4 faces one side of the upper substrate 3 A plurality of alternately arranged first electrodes 5 and second electrodes 6 are formed on one side of the upper substrate 3 , and a plurality of alternately arranged third electrodes 13 and fourth electrodes 12 are formed on the side of the upper substrate 3 facing the lower substrate 4 .

Wherein, the upper substrate 3 and the lower substrate 4 are arranged opposite to each other, the first electrodes 5 and the second electrodes 6 are alternately arranged on the lower substrate 4, the third electrodes 13 and the fourth electrodes 12 are alternately arranged on the upper substrate 3, The first electrode 5 and the third electrode 13 are arranged oppositely, and the second electrode 6 and the fourth electrode 12 are arranged oppositely. Specifically, the first electrodes 5 and the third electrodes 13 are arranged in a one-to-one correspondence, and the second electrodes 6 and the fourth electrodes 12 are arranged in a one-to-one correspondence. A plurality of third electrodes 13 and a plurality of fourth electrodes 12 are formed on the upper substrate 3 , and a plurality of first electrodes 5 and a plurality of second electrodes 6 are formed on the lower substrate 4 . The plurality of third electrodes 13 corresponds to the plurality of first electrodes 5 one by one, and the plurality of fourth electrodes 12 corresponds to the plurality of second electrodes 6 one to one. The third electrode 13 on the upper substrate 3 corresponds to the first electrode 5 on the lower substrate 4 and has the same area, and the fourth electrode 12 on the upper substrate 3 corresponds to the second electrode on the lower substrate 4 and has the same area. The third electrode 13 is disposed at the position of the orthographic projection of the first electrode 5 on the lower substrate on the upper substrate, and the third electrode 13 is the same shape and the same area as the first electrode 5 . The fourth electrode 12 is disposed on the orthographic projection position of the second electrode 6 on the lower substrate on the upper substrate, and the fourth electrode 13 and the second electrode 6 have the same shape and the same area. Preferably, the first electrode 5 is a first common electrode, the second electrode 6 is a first pixel electrode, the third electrode 13 is a second common electrode, and the fourth electrode 12 is a second pixel electrode. Preferably, in this embodiment, the first pixel electrode, the first common electrode, the second pixel electrode and the second common electrode are strip-shaped and have the same area. The second common electrode is vertically symmetrical to the first common electrode; the second pixel electrode is vertically symmetrical to the first pixel electrode. The width of the first electrode, the second electrode, the third electrode and the fourth electrode is 4.6-5.2 μm, the distance between the first electrode and the second electrode is 1.8-3.4 μm, and the distance between the third electrode and the fourth electrode is 1.8～3.4μm.

A first common electrode 5 and a first pixel electrode 6 are formed on the lower substrate 4 , and a second common electrode 13 and a second pixel electrode 12 are formed on the upper substrate 3 . The voltages applied to adjacent first pixel electrodes 6 have the same polarity, and the voltages applied to adjacent second pixel electrodes 12 have the same polarity. With the above method, since the second pixel electrodes 12 and the second common electrodes 13 on the upper substrate 3 are arranged alternately, the first pixel electrodes 5 and the first common electrodes 6 on the lower substrate 4 are arranged alternately. When power is applied, a horizontal electric field can be formed between the adjacent electrodes on the upper substrate 3 and the lower substrate 4, that is, a horizontal electric field can be formed between the first pixel electrode 5 and the first common electrode 6, and the second pixel electrode 12 and the first common electrode 6 can form a horizontal electric field. A horizontal electric field can be formed between the second common electrodes 13, and a horizontal auxiliary electric field can be formed between adjacent electrodes on the upper substrate 3, and a horizontal auxiliary electric field can be formed between adjacent electrodes on the lower substrate 4, so that the electrode structure of the present utility model On the premise of possessing the advantages of the existing IPS mode, the aligned liquid crystal molecules between the electrodes can be rotated in a direction parallel to the plane of the substrate, thereby improving the light transmittance of the liquid crystal layer. The maximum transmittance of the liquid crystal panel adopting the traditional IPS mode is 78%, and the corresponding voltage value V _op is 8.5V when the maximum transmittance of the liquid crystal panel is reached. In this embodiment, the maximum transmittance of the liquid crystal panel is 78.59%, and the voltage value V _op corresponding to the maximum transmittance of the liquid crystal panel is 6.2V, which is better than that of the liquid crystal panel using the traditional IPS mode.

The structure of the liquid crystal panel in this embodiment further includes: a second common electrode connection line 8 provided on the upper substrate 3 , and a first common electrode connection line 9 provided on the lower substrate 4 . The second common electrode 5 is connected to the connection line 8 , and the first common electrode 13 is connected to the connection line 9 .

The liquid crystal panel in this embodiment includes: an upper substrate, a lower substrate arranged oppositely, and a liquid crystal layer between the upper substrate and the lower substrate, the first electrodes and the second electrodes arranged alternately are formed on the lower substrate, and the upper substrate is formed on the upper substrate. There are third electrodes and fourth electrodes arranged alternately. By setting the third electrodes and the fourth electrodes on the upper substrate and applying a voltage to the third electrodes and the fourth electrodes at the same time, it can improve the electric field distribution of the liquid crystal layer of the liquid crystal panel and improve the performance of the liquid crystal. The transmittance of the panel is increased, and the voltage value V _op corresponding to the maximum transmittance is reduced at the same time.

Fig. 4 is a schematic structural diagram of a liquid crystal panel provided by Embodiment 3 of the present invention. As shown in Fig. 4, the liquid crystal panel includes: an upper substrate 3 and a lower substrate 4 which are oppositely arranged, and the lower substrate 4 faces one side of the upper substrate 3 A plurality of alternately arranged first electrodes 5 and second electrodes 6 are formed on one side of the upper substrate 3 , and a plurality of alternately arranged third electrodes 15 and fourth electrodes 14 are formed on the side of the upper substrate 3 facing the lower substrate 4 .

The upper substrate 3 and the lower substrate 4 are arranged in parallel, and there is a liquid crystal layer between the upper substrate 3 and the lower substrate 4 . The lower substrate 4 is provided with alternately arranged first electrodes 5 and second electrodes 6 , and the upper substrate is provided with alternately arranged third electrodes 15 and fourth electrodes 14 . Wherein, the first electrode 5 and the third electrode 15 are arranged oppositely, and the second electrode 6 and the fourth electrode 14 are arranged oppositely. Specifically, the first electrodes 5 and the third electrodes 15 are arranged in a one-to-one correspondence, and the second electrodes 6 and the fourth electrodes 14 are arranged in a one-to-one correspondence. A plurality of third electrodes 15 and a plurality of fourth electrodes 14 are disposed on the upper substrate 3 , and a plurality of first electrodes 5 and a plurality of second electrodes 6 are disposed on the lower substrate 4 . The plurality of third electrodes 15 corresponds to the plurality of first electrodes 5 one by one, and the plurality of fourth electrodes 14 corresponds to the plurality of second electrodes 4 one to one. The third electrode 15 on the upper substrate 3 corresponds to the first electrode 5 on the lower substrate 4 and has the same area, and the fourth electrode 14 on the upper substrate 3 corresponds to the second electrode 6 on the lower substrate 4 and has the same area. The third electrode 15 is disposed on the orthographic projection position of the first electrode 5 on the lower substrate on the upper substrate, and the third electrode 15 and the first electrode 5 have the same shape and the same area. The fourth electrode 14 is disposed on the orthographic projection position of the second electrode 6 on the lower substrate on the upper substrate, and the shape and area of the fourth electrode 14 and the second electrode 6 are the same. In this embodiment, the first electrode 5 is a first common electrode, the second electrode 6 is a first pixel electrode, the third electrode 15 is a second common electrode, and the fourth electrode 14 is a second pixel electrode. Preferably, in the present invention, the first pixel electrode 6 , the first common electrode 5 , the second pixel electrode 14 and the second common electrode 15 are strip-shaped and have the same area. Further preferably, the second common electrode is vertically symmetrical to the first common electrode; the second pixel electrode is vertically symmetrical to the first pixel electrode. More preferably, the width of the first electrode, the second electrode, the third electrode and the fourth electrode is 4.6-5.2 μm, the distance between the first electrode and the second electrode is 1.8-3.4 μm, and the distance between the third electrode and the fourth electrode The distance is 1.8 ~ 3.4μm.

The lower substrate 4 forms the first common electrode 5 and the first pixel electrode 6 , and the upper substrate 3 forms the second common electrode 15 and the second pixel electrode 14 . Preferably, the polarities of adjacent first pixel electrodes 6 are opposite, and the polarities of adjacent second pixel electrodes 14 are opposite. With the above method, since the second pixel electrodes 15 and the second common electrodes 14 on the upper substrate 3 are arranged alternately, the first pixel electrodes 6 and the first common electrodes 5 on the lower substrate 4 are arranged alternately. Wherein, the polarities of the adjacent first pixel electrodes 6a and 6b on the lower substrate are opposite (the polarity of the voltage applied to the first pixel electrode 6a is opposite to the polarity of the voltage applied to the first pixel electrode 6b), such as the first The voltage applied to the pixel electrode 6 a is +V _a , and the voltage applied to the first pixel electrode 6 b is −V _b . Correspondingly, the polarities of the adjacent second pixel electrodes 14 a and 14 b on the upper substrate 3 are opposite, for example, the voltage applied to the second pixel electrode 14 a is +V _a , and the voltage applied to the second pixel electrode 14 b is −V _b . In the above manner, when power is applied, a horizontal auxiliary electric field can be formed between adjacent electrodes on the upper substrate 3, and a horizontal auxiliary electric field can be formed between adjacent electrodes on the lower substrate 4, so that the electrode structure of the present utility model has an existing IPS Under the premise of the advantage of the mode, a parallel electric field can be generated between the electrodes on the same plane, so that the aligned liquid crystal molecules between the electrodes and directly above the electrodes can rotate in the direction parallel to the plane of the substrate, thereby improving the light transmittance of the liquid crystal layer . The maximum transmittance of the liquid crystal panel adopting the traditional IPS mode is 78%, and the corresponding voltage value V _op is 8.5V when the maximum transmittance of the liquid crystal panel is reached. In this embodiment, the maximum transmittance of the liquid crystal panel is 81.26%, and the corresponding voltage value V _op is 5.6V when the maximum transmittance of the liquid crystal panel is reached, which is better than that of the liquid crystal panel using the traditional IPS mode.

The difference between the third embodiment and the second embodiment is that in the third embodiment, the first pixel electrode is divided into positive and negative electrodes, and the second pixel electrode is divided into positive and negative electrodes, so that horizontal auxiliary electrodes can also be generated between the pixel electrodes. The electric field further expands the horizontal electric field area, and the transmittance is further improved.

The liquid crystal panel structure in this embodiment also includes: the second common electrode 14b connecting line 8 and the second common electrode 14a connecting line 16 arranged on the upper substrate 3, the first common electrode 6b connecting line 9 and the second common electrode 6b arranged on the lower substrate 4 A common electrode 6a is connected to the wire 17 . The second common electrode 14 b is connected to the connection line 8 , the second common electrode 14 a is connected to the connection line 16 , the first common electrode 6 b is connected to the connection line 9 , and the first common electrode 6 a is connected to the connection line 17 .

The liquid crystal panel in this embodiment includes: an upper substrate and a lower substrate arranged oppositely, first electrodes and second electrodes arranged alternately are formed on the lower substrate, third electrodes and fourth electrodes arranged alternately are formed on the upper substrate, By setting the third electrode and the fourth electrode on the upper substrate, wherein the second electrode and the fourth electrode are pixel electrodes, and the polarities of adjacent pixel electrodes are opposite, the electric field distribution of the liquid crystal layer of the liquid crystal panel can be improved, and the transparency of the liquid crystal panel can be improved. Transmittance, while reducing the corresponding voltage value V _op when the maximum transmittance is reached.

The liquid crystal panel in this embodiment includes: an upper substrate, a lower substrate arranged oppositely, and a liquid crystal layer between the upper substrate and the lower substrate, the first electrodes and the second electrodes arranged alternately are formed on the lower substrate, and the upper substrate is formed on the upper substrate. There are third electrodes and fourth electrodes arranged alternately, the first electrodes and the third electrodes are arranged oppositely, the second electrodes and the fourth electrodes are arranged oppositely, the adjacent fourth electrodes on the upper substrate have opposite polarities, and the opposite polarities of the adjacent fourth electrodes on the lower substrate The polarity of the adjacent second electrode is opposite, by setting the third electrode and the fourth electrode on the upper substrate, and applying voltage to the third electrode and the fourth electrode at the same time, the electric field distribution of the liquid crystal layer of the liquid crystal panel can be improved, and the transmission of the liquid crystal panel can be improved. rate, and at the same time reduce the corresponding voltage value V _op when the maximum transmittance is reached. Embodiment 4 of the present utility model provides a display device, including a liquid crystal panel. The liquid crystal panel adopts the liquid crystal panel in the above-mentioned embodiment 1 or embodiment 2 or embodiment 3. For the specific implementation method, please refer to the above-mentioned embodiment 1 or embodiment Two or embodiment three.

The display device provided in this embodiment includes a liquid crystal panel, and the liquid crystal panel includes: an upper substrate and a lower substrate oppositely arranged, the lower substrate is formed with alternately arranged first electrodes and second electrodes, and the upper substrate is formed with a third electrode , the first electrode and the third electrode are arranged oppositely, by adding electrodes on the upper substrate, the horizontal electric field of the liquid crystal panel is improved, the transmittance is increased, and the corresponding voltage value V _op is reduced when the maximum transmittance is reached.

It can be understood that, the above embodiments are only exemplary embodiments adopted to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present utility model, and these variations and improvements are also regarded as the protection scope of the present utility model.

Claims (10)

1. A liquid crystal panel, characterized in that it comprises: an upper substrate, a lower substrate arranged oppositely, and a liquid crystal layer between the upper substrate and the lower substrate, and a plurality of alternately arranged first electrodes and For the second electrode, a plurality of third electrodes are formed on the upper substrate. 2. The liquid crystal panel according to claim 1, wherein the first electrode is arranged correspondingly to the third electrode, the first electrode is a first common electrode, and the third electrode is a second common electrode An electrode, the second electrode is a pixel electrode. 3 . The liquid crystal panel according to claim 2 , wherein the second common electrode is vertically mirror-symmetrical to the first common electrode. 4 . 4. The liquid crystal panel according to claim 1, wherein a plurality of fourth electrodes are formed on the upper substrate, and the third electrodes and the fourth electrodes are arranged alternately. 5. The liquid crystal panel according to claim 4, wherein the first electrode is arranged correspondingly to the third electrode, the second electrode is arranged correspondingly to the fourth electrode, and the first electrode is The first common electrode, the third electrode is the second common electrode, the second electrode is the first pixel electrode, and the fourth electrode is the second pixel electrode. 6. The liquid crystal panel according to claim 5, wherein the second common electrode is vertically symmetrical to the first common electrode; the second pixel electrode is vertically symmetrical to the first pixel electrode. 7. The liquid crystal panel according to claim 4, wherein the areas of the first electrode, the second electrode, the third electrode and the fourth electrode are equal. 8 . The liquid crystal panel according to claim 4 , wherein the first electrode, the second electrode, the third electrode and the fourth electrode are all strip electrodes. 9. The liquid crystal panel according to claim 4, wherein the width of the first electrode, the second electrode, the third electrode, and the fourth electrode is 4.6-5.2 μm, and the width of the first electrode and the second electrode The distance between the two electrodes is 1.8-3.4 μm, and the distance between the third electrode and the fourth electrode is 1.8-3.4 μm. 10. A display device, comprising the liquid crystal panel according to any one of claims 1-9.

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