CN214122637U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN214122637U CN214122637U CN202120116372.6U CN202120116372U CN214122637U CN 214122637 U CN214122637 U CN 214122637U CN 202120116372 U CN202120116372 U CN 202120116372U CN 214122637 U CN214122637 U CN 214122637U
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Abstract
The application provides a display panel and display device, wherein, display panel includes upper substrate, infrabasal plate, liquid crystal layer, sets gradually first electrode layer, insulating layer and the second electrode layer on the base plate down, and first electrode layer includes that the multiunit is used for the drive the first pixel electrode and the first common electrode that the liquid crystal layer deflected, the second electrode layer includes that the multiunit is used for the drive the second pixel electrode and the second common electrode that the liquid crystal layer deflected, the insulating layer is raised the electric field of second electrode layer, eliminates the dead zone, improves display panel's light penetration rate and display quality.
Description
Technical Field
The application belongs to the technical field of display panels, and particularly relates to a display panel and a display device.
Background
An in-plane switching mode liquid crystal display (IPS-LCD) includes an upper substrate, a lower substrate, and a plurality of liquid crystal layers filled between the upper and lower substrates. The electrodes are distributed along one substrate (e.g., the lower substrate) in an alternating comb-like fashion such that during operation, an electric field extends between corresponding pairs of electrodes.
Due to the convergence of the electric field lines at the electrodes, the region of liquid crystal material above the electrodes is called dead zone (dead zones), which is relatively uncontrolled, resulting in a relatively reduced light penetration rate.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a display panel, and aims to solve the problem that the traditional IPS display panel has an uncontrolled dead zone to reduce the light penetration rate.
A first aspect of an embodiment of the present application provides a display panel, including:
an upper substrate;
the lower substrate is arranged opposite to the upper substrate;
a liquid crystal layer disposed between the upper substrate and the lower substrate;
the first electrode layer, the insulating layer and the second electrode layer are sequentially stacked on the lower substrate, and the insulating layer is in a preset height;
the first electrode layer comprises a plurality of groups of first pixel electrodes and first common electrodes, the first pixel electrodes and the first common electrodes are used for driving the liquid crystal layer to deflect, and the first pixel electrodes and the first common electrodes are used for inputting first voltages corresponding to images to be displayed so as to generate a first electric field;
the second electrode layer comprises a plurality of groups of second pixel electrodes and second common electrodes, the second pixel electrodes and the second common electrodes are used for driving the liquid crystal layer to deflect, and the second pixel electrodes and the second common electrodes are used for inputting second voltages corresponding to images to be displayed so as to generate a second electric field.
In one embodiment, the first pixel electrode and the first common electrode are strip electrodes, and the first pixel electrode and the first common electrode are sequentially arranged at intervals;
the second pixel electrodes and the second common electrodes are strip electrodes, and the second pixel electrodes and the second common electrodes are sequentially arranged at intervals.
In one embodiment, the strip-shaped electrodes are N-type oxide semiconductor-indium tin oxide electrodes.
In one embodiment, the display panel further comprises an upper substrate and a lower substrate disposed oppositely;
the liquid crystal layer the first electrode layer the insulating layer with the second electrode set up in the upper substrate with between the infrabasal plate, the second electrode layer set up in on the infrabasal plate, the liquid crystal layer set up in the upper substrate with between the first electrode layer.
In one embodiment, the upper substrate further includes a first alignment layer, the lower substrate further includes a second alignment layer, and the alignment directions of the first alignment layer and the second alignment layer are the same.
In one embodiment, the display panel further includes a first polarizing plate and a second polarizing plate;
the first polaroid is arranged on one side, away from the upper substrate, of the lower substrate, and the second polaroid is arranged on one side, away from the lower substrate, of the upper substrate.
In one embodiment, the upper substrate is a color film substrate, and the lower substrate is an array substrate.
In one embodiment, the display panel further includes a thin film transistor, a gate line, and a data line, the thin film transistor respectively connecting the gate line, the data line, the first pixel electrode, and the second pixel electrode.
In one embodiment, a common electrode line is further disposed on the lower substrate, and the first common electrode and the second common electrode are respectively connected to the common electrode line.
In one embodiment, each of the first pixel electrodes faces one of the second pixel electrodes, and each of the first common electrodes faces one of the second common electrodes.
A second aspect of embodiments of the present application provides a display device including the display panel as described above.
Compared with the prior art, the embodiment of the application has the advantages that: the display panel is provided with the insulating layer and the two electrode layers, the insulating layer and the second electrode layer lift the electric field, dead zones are eliminated, and the light penetration rate and the display quality of the display panel are improved.
Drawings
Fig. 1 is a schematic view of a first structure of a display panel according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of an electric field distribution of the display panel shown in FIG. 1;
fig. 3 is a schematic view of a second structure of a display panel according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a third display panel according to an embodiment of the present application.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
A first aspect of an embodiment of the present application provides a display panel.
As shown in fig. 1, fig. 1 is a first schematic structural diagram of a display panel provided in the embodiment of the present application, in the embodiment, the display panel includes:
an upper substrate 10;
a lower substrate 20, the lower substrate 20 and the upper substrate 10 being disposed opposite to each other;
a liquid crystal layer 30, the liquid crystal layer 30 being disposed between the upper substrate 10 and the lower substrate 20;
a first electrode layer 40, an insulating layer 50 and a second electrode layer 60 sequentially stacked on the lower substrate 20, the insulating layer 50 having a predetermined height;
the first electrode layer 40 includes a plurality of sets of first pixel electrodes 41 and first common electrodes 42 for driving the liquid crystal layer 30 to deflect, and the first pixel electrodes 41 and the first common electrodes 42 are used for inputting a first voltage corresponding to an image to be displayed to generate a first electric field;
the second electrode layer 60 includes a plurality of sets of second pixel electrodes 61 and second common electrodes 62 for driving the liquid crystal layer 30 to deflect, and the second pixel electrodes 61 and the second common electrodes 62 are used for inputting a second voltage corresponding to an image to be displayed to generate a second electric field.
In this embodiment, the lower substrate 20, the first electrode layer 40, the insulating layer 50, the second electrode layer 60, the liquid crystal layer 30 and the upper substrate 10 are sequentially disposed, liquid crystal molecules in the liquid crystal layer 30 are deflected under the action of the first electric field and the second electric field, as shown in fig. 2, the liquid crystal molecules are deflected in different directions according to the polarity of the liquid crystal molecules, when the liquid crystal molecules are positive liquid crystal molecules, the long axes of the liquid crystal molecules are deflected in a direction parallel to the electric lines of force under the action of an applied electric field, when the liquid crystal molecules are negative liquid crystal molecules, the long axes of the liquid crystal molecules are deflected in a direction perpendicular to the electric lines of force under the action of an applied electric field, and meanwhile, the deflection degree of the liquid crystal molecules is related to the electric field strength.
The insulating layer 50 is used for raising the second electrode layer 60 to a position with a preset height, a first electric field is generated after a first voltage is input to the first pixel electrode 41 and the first common electrode 42 of the first electrode layer 40, and a second electric field is generated after a second voltage is input to the adjacent second pixel electrode 61 and the second common electrode 62 of the second electrode layer 60, and the electric field intensity of the current display panel is increased after the first electric field and the second electric field are superposed, so that the capability of driving liquid crystal molecules in the liquid crystal layer 30 is increased.
The liquid crystal layer 30 includes a plurality of sub-pixel regions, each group of the pixel electrodes and the common electrodes for driving the liquid crystal layer 30 to deflect corresponds to one sub-pixel region, the display panel can display an image to be displayed by a first voltage and a second voltage input by the plurality of groups of the pixel electrodes and the common electrodes, the first voltage and the second voltage correspond to the image to be displayed, the first voltage and the second voltage may be equal or unequal, and the specific size may be set correspondingly according to requirements.
The electrodes of the first electrode layer 40 and the second electrode layer 60 can be correspondingly aligned or staggered to generate total electric fields with different electric field intensities, and in one embodiment, each second pixel electrode 61 is aligned with one first pixel electrode 41, and each second common electrode 62 is aligned with one first common electrode 42, so that the two electric fields are superposed and act on the liquid crystal layer 30.
The upper substrate 10 and the lower substrate 20 may be transparent substrates, such as glass substrates, and in one embodiment, the upper substrate 10 is a color filter substrate and the lower substrate 20 is an array substrate.
Each of the first electrode layer 40 and the second electrode layer 60 may be made of a light-opaque metal structure, and in one embodiment, each electrode is an N-type oxide semiconductor-Indium Tin Oxide (ITO) electrode.
In one embodiment, as shown in fig. 2 and 4, the first pixel electrode 41 and the first common electrode 42 are stripe electrodes, and the first pixel electrode 41 and the first common electrode 42 are sequentially arranged at intervals;
the second pixel electrodes 61 and the second common electrodes 62 are strip-shaped electrodes, and the second pixel electrodes 61 and the second common electrodes 62 are alternately arranged in sequence.
In this embodiment, the pixel electrodes and the common electrodes of the electrode layers are arranged on the same layer in a stripe structure and are insulated from each other, the first pixel electrode 41 and the first common electrode 42 adjacent to each other generate a plurality of first electric fields, the second pixel electrode 61 and the second common electrode 62 adjacent to each other generate a plurality of second electric fields, and the first electric fields and the second electric fields are superposed and then act on the liquid crystal molecules of the liquid crystal layer 30 together, so as to drive the liquid crystal molecules to deflect.
As shown in fig. 3, in one embodiment, the upper substrate 10 further includes a first alignment layer 71, the lower substrate 20 further includes a second alignment layer 72, and the alignment directions of the first alignment layer 71 and the second alignment layer 72 are the same.
The alignment layer is directly contacted with the liquid crystal layer 30 to control the liquid crystal molecules to be arranged in a certain direction and angle, and the material of the alignment layer can be polyimide (abbreviated as PI).
Referring to fig. 3, in an embodiment, the display panel further includes a first polarizer 81 and a second polarizer 82;
the first polarizer 81 is disposed on one side of the lower substrate 20 away from the upper substrate 10, the second polarizer 82 is disposed on one side of the upper substrate 10 away from the lower substrate 20, the two polarizers form an optical system of polarized light, which has a modulation effect on light entering the liquid crystal from the backlight source, the polarizers and the liquid crystal layer form a liquid crystal cell, and polarization axes of the first polarizer 81 and the second polarizer 82 are perpendicular to each other, or the polarization axes of the first polarizer 81 and the second polarizer 82 are parallel to each other.
The upper substrate 10 and the lower substrate 20 may further be provided with a color filter photoresist to realize a color filter function.
As shown in fig. 4, in order to implement the power-on control of the first electrode layer 40 and the second electrode layer 60, in an embodiment, the display panel further includes a thin film transistor 11, a gate line 12 and a data line 13, the thin film transistor 11 is respectively and correspondingly connected to the gate line 12, the data line 13, the first pixel electrode 41 and the second pixel electrode 61, wherein the gate line 12 is used for connecting to a gate driving module and accessing a row scanning signal, the data line 13 is used for connecting to a source driving module and accessing a data signal, each thin film transistor 11 is turned on or off under the control of the scanning signal and correspondingly accesses the data signal to the first pixel electrode 41 and the second pixel electrode 61, the second pixel electrode 61 and the first pixel electrode 41 can be connected to the same or different thin film transistors 11, in an embodiment, a common electrode line 14 is further disposed on the lower substrate 20, and the second common electrode 62 and the first common electrode 42 are respectively connected to the common electrode line 14, and the same common electrode voltage is switched in.
The application also provides a display device, the display device comprises a display panel, the specific structure of the display panel refers to the above embodiments, and the display device adopts all technical schemes of all the above embodiments, so that all the beneficial effects brought by the technical schemes of the above embodiments are at least achieved, and are not repeated one by one.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A display panel, comprising:
an upper substrate;
the lower substrate is arranged opposite to the upper substrate;
a liquid crystal layer disposed between the upper substrate and the lower substrate;
the first electrode layer, the insulating layer and the second electrode layer are sequentially stacked on the lower substrate, and the insulating layer is in a preset height;
the first electrode layer comprises a plurality of groups of first pixel electrodes and first common electrodes, the first pixel electrodes and the first common electrodes are used for driving the liquid crystal layer to deflect, and the first pixel electrodes and the first common electrodes are used for inputting first voltages corresponding to images to be displayed so as to generate a first electric field;
the second electrode layer comprises a plurality of groups of second pixel electrodes and second common electrodes, the second pixel electrodes and the second common electrodes are used for driving the liquid crystal layer to deflect, and the second pixel electrodes and the second common electrodes are used for inputting second voltages corresponding to images to be displayed so as to generate a second electric field.
2. The display panel according to claim 1, wherein the first pixel electrode and the first common electrode are stripe electrodes, and the first pixel electrode and the first common electrode are sequentially arranged at intervals;
the second pixel electrodes and the second common electrodes are strip electrodes, and the second pixel electrodes and the second common electrodes are sequentially arranged at intervals.
3. The display panel according to claim 2, wherein the stripe electrodes are N-type oxide semiconductor-indium tin oxide electrodes.
4. The display panel of claim 1, wherein the upper substrate further comprises a first alignment layer, the lower substrate further comprises a second alignment layer, and the alignment directions of the first alignment layer and the second alignment layer are the same.
5. The display panel of claim 4, wherein the display panel further comprises a first polarizer and a second polarizer;
the first polaroid is arranged on one side, away from the upper substrate, of the lower substrate, and the second polaroid is arranged on one side, away from the lower substrate, of the upper substrate.
6. The display panel of claim 1, wherein the upper substrate is a color film substrate and the lower substrate is an array substrate.
7. The display panel according to claim 1, wherein the display panel further comprises a thin film transistor, a gate line, and a data line, the thin film transistor being connected to the gate line, the data line, the first pixel electrode, and the second pixel electrode, respectively.
8. The display panel according to claim 7, wherein a common electrode line is further disposed on the lower substrate, and the first common electrode and the second common electrode are respectively connected to the common electrode line.
9. The display panel according to any one of claims 1 to 8, wherein each of the first pixel electrodes faces one of the second pixel electrodes, and each of the first common electrodes faces one of the second common electrodes.
10. A display device comprising the display panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120116372.6U CN214122637U (en) | 2021-01-15 | 2021-01-15 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120116372.6U CN214122637U (en) | 2021-01-15 | 2021-01-15 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214122637U true CN214122637U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120116372.6U Active CN214122637U (en) | 2021-01-15 | 2021-01-15 | Display panel and display device |
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| CN (1) | CN214122637U (en) |
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- 2021-01-15 CN CN202120116372.6U patent/CN214122637U/en active Active
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