CN107037642B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN107037642B CN107037642B CN201710390706.7A CN201710390706A CN107037642B CN 107037642 B CN107037642 B CN 107037642B CN 201710390706 A CN201710390706 A CN 201710390706A CN 107037642 B CN107037642 B CN 107037642B
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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Abstract
The embodiment of the invention provides a display panel and a display device. In one aspect, the display panel includes: and the first sub-pixel unit is arranged around the main supporting column, wherein a first included angle formed by the extending direction of the first electrode branch in the first sub-pixel unit and the alignment direction of the liquid crystal is smaller than a second included angle formed by the extending direction of the second electrode branch in the second pixel unit and the alignment direction of the liquid crystal. After the design is adopted, the brightness difference between the main support column and the brightness of the other positions where the main support column is not arranged can be reduced, so that the regular dark spot phenomenon of the display panel can be improved, and the influence of the regular dark spot on the display effect is reduced.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of display, in particular to a display panel and a display device.
[ background of the invention ]
In order to prevent light leakage due to extrusion (when a color film substrate in a display panel is subjected to extrusion deformation, a main support column is driven to move together, when the main support column moves, rubbing may be performed on an alignment film in the display panel, so that the alignment film is damaged, and when the alignment film is damaged, arrangement of liquid crystals in a liquid crystal layer may change, which results in light leakage), it is necessary to increase a coverage area of a black matrix at the main support column.
[ summary of the invention ]
In view of this, embodiments of the present invention provide a display panel and a display apparatus, so as to solve the problem in the prior art that the display effect of the display panel is affected by the formation of obvious regular dark spots on the display panel due to the fact that the difference between the brightness at the main supporting pillar and the brightness at other positions where the main supporting pillar is not disposed is large.
In one aspect, an embodiment of the present invention provides a display panel, where the display panel includes:
the array substrate comprises a substrate, and a plurality of data lines and a plurality of scanning lines which are arranged on the substrate, wherein the data lines and the scanning lines are insulated and crossed to define a plurality of sub-pixel units;
the color film substrate is arranged opposite to the array substrate;
the liquid crystal layer is positioned between the array substrate and the color film substrate and comprises liquid crystal;
the main supporting columns are arranged between the color film substrate and the array substrate;
the plurality of sub-pixel units comprise a plurality of first sub-pixel units and a plurality of second sub-pixel units, and at least two first sub-pixel units are arranged around one main supporting column;
the first sub-pixel unit comprises first electrodes, each first electrode is provided with at least one first electrode branch, and the extending direction of each first electrode branch and the alignment direction of the liquid crystal form a first included angle; the second sub-pixel unit comprises second electrodes, each second electrode is provided with at least one second electrode branch, and the extending direction of each second electrode branch and the alignment direction of the liquid crystal form a second included angle; wherein the second included angle is greater than the first included angle.
Optionally, each first electrode further includes at least one third electrode branch, the third electrode branch is connected to the first electrode branch, and a third included angle is formed between the extending direction of each third electrode branch and the alignment direction of the liquid crystal; each second electrode further comprises at least one fourth electrode branch, the fourth electrode branch is connected with the second electrode branch, and a fourth included angle is formed between the extending direction of each fourth electrode branch and the alignment direction of the liquid crystal; wherein the third included angle is smaller than the fourth included angle.
Optionally, each first electrode further includes at least one third electrode branch, the third electrode branch is connected to the first electrode branch, and a third included angle is formed between the extending direction of each third electrode branch and the alignment direction of the liquid crystal; each second electrode further comprises at least one fourth electrode branch, the fourth electrode branch is connected with the second electrode branch, and a fourth included angle is formed between the extending direction of each fourth electrode branch and the alignment direction of the liquid crystal; wherein the third included angle is equal to the fourth included angle.
Optionally, every fourth of the first sub-pixel units is disposed around one of the main support pillars.
Alternatively, when the liquid crystal is a negative liquid crystal, the first included angle has an angle θ 1, wherein 70 ° ≦ θ 1 ≦ 84 °, and the second included angle has an angle θ 2, wherein 70 ° ≦ θ 2 ≦ 84 °.
Alternatively, when the liquid crystal is a positive liquid crystal, the angle of the first included angle is θ 3, wherein 3 ° ≦ θ 1 ≦ 10 °, and the angle of the second included angle is θ 2, wherein 3 ° ≦ θ 2 ≦ 10 °.
Optionally, a fifth included angle is formed between the first electrode branch and the third electrode branch, a sixth included angle is formed between the second electrode branch and the fourth electrode branch, and the fifth included angle is greater than the sixth included angle.
Optionally, the angle of the fifth included angle is θ 5, wherein 7 ° ≦ θ 5 ≦ 45 °, and the angle of the sixth included angle is θ 6, wherein 7 ° ≦ θ 6 ≦ 45 °.
Optionally, an orthographic projection of the multiple main support pillars on the substrate base plate is adjacent to an orthographic projection of the first sub-pixel unit on the substrate base plate.
Optionally, the first sub-pixel unit comprises a red pixel unit and a blue pixel unit;
the orthographic projection of the multiple main support columns on the substrate base plate is adjacent to the orthographic projection of the red pixel units on the substrate base plate, or the orthographic projection of the multiple main support columns on the substrate base plate is adjacent to the orthographic projection of the blue pixel units on the substrate base plate.
In another aspect, an embodiment of the present invention provides a display device, including the display panel described above.
Any one of the above technical solutions has the following beneficial effects:
in the embodiment of the present invention, the display panel includes a plurality of sub-pixel units and a plurality of main support pillars disposed between the color film substrate and the array substrate, the plurality of sub-pixel units includes a first sub-pixel electrode and a second sub-pixel electrode, wherein at least two first sub-pixel units are disposed around one main support pillar, the first sub-pixel unit includes a first electrode, each first electrode includes at least one first electrode branch, the second sub-pixel unit includes a second electrode, each second electrode has at least one second electrode branch, wherein a second included angle formed by an extending direction of each second electrode branch and an alignment direction of the liquid crystal is larger than a first included angle formed by an extending direction of each first electrode branch and the alignment direction of the liquid crystal, and for the liquid crystal, under the condition that an electric field is the same, an electric field component in a direction perpendicular to a long axis of the liquid crystal is larger, the larger the force applied to the liquid crystal is, the closer the deflection angle of the liquid crystal is to the specified angle after the liquid crystal is deflected, the closer the liquid crystal is to the specified angle, the higher the brightness of the light penetrating through the liquid crystal after the light penetrates out of the display panel, that is, the larger the electric field component in the direction perpendicular to the long axis of the liquid crystal is, the higher the brightness of the light penetrating through the liquid crystal after the light penetrates out of the display panel, when the second included angle is larger than the first included angle, the larger the electric field component in the direction perpendicular to the long axis of the liquid crystal of the first electrode branch is than the electric field component in the direction perpendicular to the long axis of the liquid crystal of the second electrode branch, so that the brightness of the light after the light penetrates through the liquid crystal corresponding to the first electrode branch and penetrates out of the display panel is larger than the brightness of the light after the light penetrates out of the display panel, because the first electrode branch, therefore, the brightness difference between the main support column and the brightness of the other positions where the main support column is not arranged can be reduced, the regular dark spot phenomenon of the display panel is improved, and the influence of the regular dark spot on the display effect is reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a top view of a display panel according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along direction AA' in FIG. 1;
FIG. 3 is a schematic diagram showing the positional relationship between the first electrode branches and the positive liquid crystal in FIG. 1;
FIG. 4 is a schematic diagram showing the positional relationship between the second electrode branches and the positive liquid crystal in FIG. 1;
FIG. 5 is a schematic diagram showing the positional relationship between the first electrode branch and the negative liquid crystal in FIG. 1;
FIG. 6 is a schematic diagram showing the positional relationship between the second electrode branch and the negative liquid crystal in FIG. 1;
FIG. 7 is a top view of another display panel according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view taken along direction BB' in FIG. 7;
FIG. 9 is a schematic diagram showing the positional relationship between the third electrode branch and the positive liquid crystal in FIG. 7;
FIG. 10 is a schematic diagram showing the positional relationship between the fourth electrode branch and the positive liquid crystal in FIG. 7;
FIG. 11 is a schematic diagram showing the positional relationship between the third electrode branch and the negative liquid crystal in FIG. 7;
FIG. 12 is a schematic diagram showing the positional relationship between the fourth electrode branch and the negative liquid crystal in FIG. 7;
FIG. 13 is a top view of another display panel according to an embodiment of the present invention;
FIG. 14 is a schematic diagram showing the positional relationship between the third electrode branch and the positive liquid crystal in FIG. 13;
FIG. 15 is a schematic diagram showing the positional relationship between the fourth electrode branch and the positive liquid crystal in FIG. 13;
FIG. 16 is a schematic diagram showing the positional relationship between the third electrode branch and the negative liquid crystal in FIG. 13;
FIG. 17 is a schematic diagram showing the positional relationship between the fourth electrode branch and the negative liquid crystal in FIG. 13;
FIG. 18 is a schematic diagram illustrating a positional relationship between electrode branches according to an embodiment of the present invention;
FIG. 19 is a top view of a display panel according to an embodiment of the present invention;
fig. 20 is a display device according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the description of the embodiments of the present invention are used in the angle shown in the drawings, and should not be construed as limiting the embodiments of the present invention. In addition, in this context, it is also to be understood that when an element is referred to as being "on" or "under" another element, it can be directly formed on "or" under "the other element or be indirectly formed on" or "under" the other element through an intermediate element.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a top view of a display panel according to an embodiment of the present invention, fig. 2 is a cross-sectional view along direction AA' in fig. 1, fig. 3 is a schematic diagram of a positional relationship between a first electrode branch and a positive liquid crystal in fig. 1, fig. 4 is a schematic diagram of a positional relationship between a second electrode branch and a positive liquid crystal in fig. 1, fig. 5 is a schematic diagram of a positional relationship between a first electrode branch and a negative liquid crystal in fig. 1, fig. 6 is a schematic diagram of a positional relationship between a second electrode branch and a negative liquid crystal in fig. 1, and fig. 6 is a schematic diagram of a positional relationship between a second electrode branch and a negative liquid crystal in fig. 1.
As shown in fig. 1, 2, 3, 4, 5 and 6, the display panel includes: the array substrate 11 comprises a substrate, and a plurality of data lines 12 and a plurality of scanning lines 13 which are positioned on the substrate, wherein the plurality of data lines 12 and the plurality of scanning lines 13 are insulated and crossed to define a plurality of sub-pixel units 14; the color film substrate 15, the color film substrate 15 and the array substrate 11 are oppositely arranged; the liquid crystal layer 16 is positioned between the array substrate 11 and the color film substrate 15, and the liquid crystal layer 16 comprises liquid crystals 161; the main supporting pillars 17, the main supporting pillars 17 are arranged between the color film substrate 15 and the array substrate 11; the plurality of sub-pixel units 14 include a plurality of first sub-pixel units 141 and a plurality of second sub-pixel units 142, at least two first sub-pixel units 141 being disposed around one main support column 17; the first sub-pixel unit 141 includes first electrodes 1411, each first electrode 1411 has at least one first electrode branch 1411A, and an extending direction of each first electrode branch 1411A forms a first included angle T1 with an alignment direction of the liquid crystal 161; the second sub-pixel unit 142 includes second electrodes 1421, each of the second electrodes 1421 has at least one second electrode branch 1421A, and an extending direction of each of the second electrode branches 1421A forms a second included angle T2 with an alignment direction of the liquid crystal 161; the second included angle T2 is greater than the first included angle T1.
Specifically, when no voltage is applied to the electrodes, the alignment direction of the liquid crystal is the same as the extending direction of the long axis of the liquid crystal, as shown in fig. 1 and 2, the scan line 13 extends in the X direction, and is aligned in the Y direction, and the data line 12 extends in the Y direction, and is aligned in the X direction, as shown in fig. 3 and 4, when no voltage is applied to the electrodes, the long axis of the liquid crystal 161 extends substantially in the Y direction, that is, the alignment direction of the liquid crystal 161 is substantially parallel to the data line 12, that is, the first included angle T1 may be the included angle between the extending direction of the first electrode branch 1411A and the extending direction of the data line 12, and the second included angle T2 may be the included angle between the extending direction of the second electrode branch 1421A and the direction of the data line 12, and since the electric field direction E formed by the electrode branches is perpendicular to the extending direction of the electrode branches, the field strength corresponding to the first electrode branch 1411A is the same as the field strength corresponding to the second electrode branch 1421, when the second included angle T2 is greater than the first included angle T1, that is, the included angle between the extending direction of the first electrode branch 1411A and the data line 12 is smaller than the included angle between the extending direction of the second electrode branch 1421A and the data line 12, the component of the electric field formed by the first electrode branch 1411A in the X direction is greater than the component of the electric field formed by the second electrode branch 1421A in the X direction, for positive liquid crystal, the greater the component in the X direction, the greater the force applied to the liquid crystal 161, and the greater the deflection angle of the liquid crystal 161, and when the liquid crystal 161 deflects, the greater the deflection angle in a certain range, the greater the brightness after the light passes through the liquid crystal 161 and exits the display panel, so the deflection angle of the liquid crystal 161 corresponding to the first electrode branch 1411A is greater than the deflection angle of the liquid crystal 161 corresponding to the second electrode branch 1421A, and therefore the brightness corresponding to the area where the first electrode branch 1411A is located is higher than the brightness corresponding to the area where the second electrode branch 1421A, since the first electrode branch 1411A is disposed on the first electrode 1411 and the first electrode 1411 is disposed around the main supporting pillar 17, the brightness difference between the main supporting pillar and the brightness of the other regions where the main supporting pillar is not disposed can be reduced, the regular dark spot phenomenon of the display panel can be improved, and the influence of the regular dark spot on the display effect can be reduced.
As shown in fig. 5 and 6, when no voltage is applied to the electrodes, for a negative liquid crystal, the long axis of the liquid crystal 161 extends along the X direction, i.e. the alignment direction of the liquid crystal 161 is substantially parallel to the scan line 13, i.e. the first included angle T1 may be the included angle between the extending direction of the first electrode branch 1411A and the extending direction of the scan line 13, the second included angle T2 may be the included angle between the extending direction of the second electrode branch 1421A and the scan line 13, and since the electric field direction E formed by the electrode branches is substantially perpendicular to the extending direction of the electrode branches, when the field strength corresponding to the first electrode branch 1411A is the same as the field strength corresponding to the second electrode branch 1421A, when the second included angle T2 is greater than the first included angle T1, i.e. the included angle between the extending direction of the first electrode branch 1411A and the scan line 13 is smaller than the included angle between the extending direction of the second electrode branch 1421A and the scan line 13, the component of the electric field formed by the first electrode branch 1411A in the Y direction is greater than the component For a negative liquid crystal, the larger the component in the Y direction is, the larger the force applied to the liquid crystal 161 is, the larger the deflection angle of the liquid crystal 161 is, and when the liquid crystal 161 deflects, the larger the deflection angle is, the larger the brightness of the light after passing through the liquid crystal 161 and exiting the display panel is, so that the deflection angle of the liquid crystal 161 corresponding to the first electrode branch 1411A is larger than the deflection angle of the liquid crystal 161 corresponding to the second electrode branch 1421A, so that the brightness corresponding to the area where the first electrode branch 1411A is located is higher than the brightness corresponding to the area where the second electrode branch 1421A is located, and since the first electrode branch 1411A is disposed on the first electrode 1411 and the first electrode 1411 is disposed around the main support pillar 17, the brightness difference at the main support pillar and the brightness at other positions where the main support pillar is not disposed can be reduced, and the regular dark spot phenomenon of the display panel can be improved, the influence of the regular dark points on the display effect is reduced.
Fig. 7 is a schematic diagram of fig. 7, fig. 7 is a top view of another display panel according to an embodiment of the present invention, fig. 8 is a schematic diagram of fig. 8, fig. 8 is a cross-sectional view along direction BB' in fig. 7, fig. 9 is a schematic diagram of a positional relationship between the third electrode branch and the positive liquid crystal in fig. 7, fig. 10 is a schematic diagram of a positional relationship between the fourth electrode branch and the positive liquid crystal in fig. 7, fig. 11 is a schematic diagram of a positional relationship between the third electrode branch and the negative liquid crystal in fig. 7, fig. 12 is a schematic diagram of a positional relationship between the fourth electrode branch and the negative liquid crystal in fig. 7.
As shown in fig. 7 to 12, each first electrode 1411 further includes at least one third electrode branch 1411B, the third electrode branch 1411B is connected to the first electrode branch 1411A, and an extending direction of each third electrode branch 1411B and an alignment direction of the liquid crystal 1611 form a third included angle T3; each second electrode 1421 further includes at least one fourth electrode branch 1421B, the fourth electrode branch 1421B is connected to the second electrode branch 1421A, and a fourth included angle T4 is formed between the extending direction of each fourth electrode branch 1421B and the alignment direction of the liquid crystal 161; wherein the third included angle T3 is smaller than the fourth included angle T4.
Specifically, when no voltage is applied to the electrodes, the alignment direction of the liquid crystal is the same as the extending direction of the long axis of the liquid crystal, as shown in fig. 1, when the second angle T2 is greater than the first angle T2, as shown in fig. 7, the scan lines 13 extend in the X direction, and the data lines 12 extend in the Y direction, and are aligned in the X direction, as shown in fig. 9 and 10, when no voltage is applied to the electrodes, for positive liquid crystal, the long axis of the liquid crystal 161 extends in the Y direction, i.e., the alignment direction of the liquid crystal 161 is substantially parallel to the data lines 12, i.e., the third angle T3 may be the angle between the extending direction of the third electrode branch 1411B and the extending direction of the data lines 12, the fourth angle T4 may be the angle between the extending direction of the fourth electrode branch 1421B and the direction of the data lines 12, since the electric field direction E formed by the electrode branches is substantially perpendicular to the extending direction of the electrode branches, therefore, when the field intensity corresponding to the third electrode branch 1411B is the same as the field intensity corresponding to the fourth electrode branch 1421B, and when the third included angle T3 is smaller than the fourth included angle T4, that is, the included angle between the extending direction of the third electrode branch 1411B and the data line 12 is smaller than the included angle between the extending direction of the fourth electrode branch 1421B and the data line 12, the component of the electric field formed by the third electrode branch 1411B in the X direction is larger than the component of the electric field formed by the fourth electrode branch 1421B in the X direction, for positive liquid crystal, the larger the component in the X direction is, the larger the force applied to the liquid crystal 161 is, the larger the deflection angle of the liquid crystal 161 is, and when the liquid crystal 161 is deflected, the larger the deflection angle is, the larger the brightness of the light after passing through the liquid crystal 161 and exiting the display panel is larger, so the deflection angle of the liquid crystal 161 corresponding to the third electrode branch 1411B is larger than the deflection angle of the liquid crystal 161 corresponding to the fourth electrode branch 142, the brightness corresponding to the area where the third electrode branch 1411B is located is higher than the brightness corresponding to the area where the fourth electrode branch 1421B is located, and since the third electrode branch 1411B is disposed on the first electrode 1411 and the first electrode 1411 is disposed around the main support pillar 17, the brightness difference between the brightness at the main support pillar and the brightness at the other positions where the main support pillar is not disposed can be reduced, the regular dark spot phenomenon of the display panel is improved, and the influence of the regular dark spot on the display effect is reduced.
As shown in fig. 11 and 12, when no voltage is applied to the electrodes, for negative liquid crystal, the long axis of the liquid crystal 161 extends along the X direction, i.e. the alignment direction of the liquid crystal 161 is substantially parallel to the scan line 13, i.e. the third included angle T3 may be the included angle between the extending direction of the third electrode branch 1411B and the extending direction of the scan line 13, the fourth included angle T4 may be the included angle between the extending direction of the fourth electrode branch 1421B and the scan line 13, and since the electric field direction E formed by the electrode branches is perpendicular to the extending direction of the electrode branches, when the field strength corresponding to the third electrode branch 1411B is the same as the field strength corresponding to the fourth electrode branch 1421B, when the third included angle T3 is greater than the first included angle T1, i.e. the included angle between the extending direction of the third electrode branch 1411B and the scan line 13 is smaller than the included angle between the extending direction of the fourth electrode branch 1421B and the scan line 13, the component of the electric field of the third electrode branch 1411B in the Y direction is greater than For negative liquid crystal, the larger the component in the Y direction is, the larger the force applied to the liquid crystal 161 is, the larger the deflection angle of the liquid crystal 161 is, and when the liquid crystal 161 deflects, the larger the deflection angle is, the larger the brightness of the light after passing through the liquid crystal 161 and exiting the display panel is, so the deflection angle of the liquid crystal 161 corresponding to the third electrode branch 1411B is greater than the deflection angle of the liquid crystal 161 corresponding to the fourth electrode branch, so the brightness corresponding to the area where the third electrode branch 1411B is located is higher than the brightness corresponding to the area where the fourth electrode branch 1421B is located, and since the third electrode branch 1411B is located on the first electrode 1411 and the first electrode 1411 is disposed around the main support column 17, the difference between the brightness at the main support column and the brightness at other positions where the main support column 17 is not disposed can be reduced, and the regular dark spot phenomenon of the display panel can be improved, the influence of the regular dark points on the display effect is reduced.
It should be noted that, in fig. 7 to 12, only the case where the first electrode branch is located between two third electrode branches is illustrated, and it is also possible that the third electrode branch is located between two first electrode branches, and only the case where the second electrode branch is located between two fourth electrode branches is illustrated, and it is also possible that the fourth electrode branch is located between two second electrode branches.
Fig. 13 is a schematic diagram of a top view of another display panel provided in an embodiment of the present invention, fig. 14 is a schematic diagram of a positional relationship between a third electrode branch and positive liquid crystal in fig. 13, fig. 15 is a schematic diagram of a positional relationship between a fourth electrode branch and positive liquid crystal in fig. 13, fig. 16 is a schematic diagram of a positional relationship between a third electrode branch and negative liquid crystal in fig. 13, fig. 17 is a schematic diagram of a positional relationship between a fourth electrode branch and negative liquid crystal in fig. 13, and fig. 17 is a schematic diagram of a positional relationship between a third electrode branch and negative liquid crystal in fig. 13.
Optionally, as shown in fig. 13 to 17, each first electrode 1411 further includes at least one third electrode branch 1411B, the third electrode branch 1411B is connected to the first electrode branch 1411A, and an extending direction of each third electrode branch 1411B and an alignment direction of the liquid crystal 1611 form a third included angle T3; each second electrode 1421 further includes at least one fourth electrode branch 1421B, the fourth electrode branch 1421B is connected to the second electrode branch 1421A, and a fourth included angle T4 is formed between the extending direction of each fourth electrode branch 1421B and the alignment direction of the liquid crystal 161; wherein the third included angle T3 is equal to the fourth included angle T4.
Specifically, when the third included angle T3 is equal to the fourth included angle T4, that is, the inclination angles of the first electrode branch 1411A and the second electrode branch 1421A are the same, and the second included angle T2 is greater than the first included angle T1, the detailed reason why the second included angle T2 is greater than the first included angle T1 can refer to fig. 1 to 6 and the text descriptions in the description part, which are not repeated herein.
It should be noted that when the second included angle T2 is greater than the first included angle T1 and the third included angle T3 is smaller than the fourth included angle T4, the effect of improving the regular dark spot is more obvious, specifically, the regular dark spot is improved by using a mode that the second included angle T2 is greater than the first included angle T1, or the regular dark spot is improved by using a mode that the third included angle T3 is smaller than the fourth included angle T4, or the regular dark spot is improved by using a mode that the second included angle T2 is greater than the first included angle T1 and the third included angle T3 is smaller than the fourth included angle T4, which can be set according to actual needs.
Alternatively, as shown in fig. 1, 7 and 13, every fourth first sub-pixel unit 141 is disposed around one main support post 17.
Specifically, in order to avoid squeezing light leakage, the coverage area of the black matrix needs to be increased, and in order to not have a serious influence on the aperture ratio corresponding to a certain pixel unit, the aperture ratio corresponding to the pixel unit and the pixel units around the pixel unit is made to be different greatly, the black matrix with the increased coverage area can be arranged among four pixel units, since the main support pillar can display the transmittance of the panel, and in order to reduce the response of the main support pillar to the transmittance of the display panel, the main support pillar can be arranged at the black matrix with the increased coverage area, therefore, when the black matrix with the increased coverage area is arranged among four first sub-pixel units, as shown in fig. 1, the main support pillar 17 can be arranged among the four adjacent first sub-pixel units 141, and since the first sub-pixel units 141 adopt the above design, the brightness of the area corresponding to the first sub-pixel units 141 is improved, the brightness difference between the corresponding area of the first sub-pixel unit 141 and the corresponding area of the second sub-pixel unit 142 is reduced, the regular dark spot phenomenon of the display panel is improved, and the influence of the regular dark spot on the display effect is reduced.
Alternatively, as shown in FIGS. 5 and 6, when the liquid crystal is a negative liquid crystal, the first included angle T1 has an angle θ 1, wherein 70 ≦ θ 1 ≦ 84, and the second included angle T2 has an angle θ 2, wherein 70 ≦ θ 2 ≦ 84.
Specifically, when the liquid crystal is a negative liquid crystal, the extending direction of the long axis of the liquid crystal is the same as the extending direction of the scan line, when the extending direction of the pixel electrode branch is parallel to the scan line, the electric field direction E corresponding to the pixel electrode branch is perpendicular to the long axis direction of the liquid crystal, at this time, the force applied to the liquid crystal is the largest, but the forces applied to the liquid crystal along the left and right sides in the X direction are balanced, so that the liquid crystal cannot rotate, in order to avoid the above situation, it is necessary to make the extending direction of the pixel electrode branch and the extending direction of the long axis of the liquid crystal have a smaller included angle, at this time, the extending direction of the long axis of the liquid crystal is no longer perpendicular to the electric field direction E corresponding to the pixel electrode branch, so that the liquid crystal can rotate in the designated direction under the electric field corresponding to the pixel electrode branch and can rotate to the designated angle, the first included angle T1 has an angle theta 1, wherein theta 2 is greater than or equal to 70 degrees and less than or equal to 84 degrees, the second included angle T2 has an angle theta 2, wherein theta 2 is greater than or equal to 70 degrees and less than or equal to 84 degrees, and it should be noted that the angles of the first included angle T1 and the second included angle T2 can be set according to actual conditions.
Alternatively, as shown in FIGS. 3 and 4, when the liquid crystal is a positive liquid crystal, the first included angle T1 has an angle θ 1, wherein 3 ° ≦ θ 1 ≦ 10 °, and the second included angle T2 has an angle θ 2, wherein 3 ° ≦ θ 2 ≦ 10 °.
Specifically, the same principle as that described above when the liquid crystal is a positive liquid crystal, specifically as shown in fig. 3 and 4, when the liquid crystal is a positive liquid crystal, the angle of the first included angle T1 is θ 1, wherein 3 ° ≦ θ 1 ≦ 10 °, the angle of the second included angle T2 is θ 2, wherein 3 ° ≦ θ 2 ≦ 10 °, it should be noted that the angle of the first included angle T1 and the angle of the second included angle T2 may be set according to actual circumstances.
Optionally, as shown in fig. 18, fig. 18 is a schematic diagram of a position relationship between the electrode branches, a fifth included angle T5 is formed between the first electrode branch 1411A and the third electrode branch 1411B, a sixth included angle T6 is formed between the second electrode branch 1421A and the fourth electrode branch 1421B, and the fifth included angle T5 is greater than the sixth included angle T6.
Specifically, since the component of the field intensity component formed by the two electrode branches in the vertical direction of the long axis of the liquid crystal is larger when the included angle between the two electrode branches is larger, as shown in fig. 18, when the fifth included angle T5 is larger than the sixth included angle T6, the brightness difference between the main support column and the brightness difference between the main support column where the main support column is not disposed can be reduced, the regular dark spot phenomenon of the display panel can be improved, and the influence of the regular dark spot on the display effect can be reduced.
Alternatively, as shown in FIG. 18, FIG. 18 is a schematic diagram of the positional relationship between the electrode branches provided by the embodiment of the present invention, the angle of the fifth included angle T5 is θ 5, wherein 7 ° ≦ θ 5 ≦ 45 °, and the angle of the sixth included angle T6 is θ 6, wherein 7 ° ≦ θ 6 ≦ 45 °.
Specifically, since the larger the included angle between the two electrode branches is, the larger the component of the field intensity component formed by the two electrode branches in the vertical direction of the long axis of the liquid crystal is, that is, the larger the included angle between the two electrode branches is, the larger the force applied to the corresponding liquid crystal is, in order to rotate the liquid crystal in the corresponding region of the electrode branches in a specific direction and to be able to rotate to a specific angle, the angle θ 5 of the fifth included angle T5 may be set to 7 ° or more and θ 5 or less and 45 °, the angle θ 6 of the sixth included angle T6 may be set to 7 ° or more and θ 6 or less and 45 °, it should be noted that the angle of the fifth included angle T5 and the angle of the sixth included angle T6 may be set according to actual situations.
Alternatively, as shown in fig. 1, 7 and 13, the orthographic projection of the multiple main support pillars 17 on the substrate base is adjacent to the orthographic projection of the first sub-pixel unit 141 on the substrate base.
Specifically, since the coverage area of the main supporting pillars is large, and in order not to seriously affect the aperture ratio corresponding to a certain pixel unit, the aperture ratio corresponding to the pixel unit and the pixel units around the pixel unit are relatively different, as shown in fig. 1 and 7, the orthographic projection of the main supporting pillars 17 on the substrate base plate can be adjacent to the orthographic projection of the first sub-pixel unit 141 on the substrate base plate, so as to avoid the phenomenon of regular dark spots caused by the relatively large influence of the main supporting pillars 17 on a certain pixel unit and the relatively large aperture ratio difference between the pixel unit and the pixel units around the pixel unit.
Alternatively, as shown in fig. 19, fig. 19 is a top view of a display panel according to an embodiment of the present invention, where the first sub-pixel unit 141 includes a red pixel unit 141R and a blue pixel unit 141B; the orthographic projection of the multiple main support columns 17 on the substrate base is adjacent to the orthographic projection of the red pixel unit 141R on the substrate base, or the orthographic projection of the multiple main support columns 17 on the substrate base is adjacent to the orthographic projection of the blue pixel unit 141B on the substrate base.
Specifically, since the transmittance of the region corresponding to the red pixel unit 141R and the blue pixel unit 141B is low and the luminance of a certain region is proportional to the transmittance of the region, the luminance of the region corresponding to the red pixel unit 141R and the blue pixel unit 141B is low, and since the luminance of a certain region is smaller, the influence on the luminance of the region after changing the luminance of the region is smaller, as shown in fig. 19, when the orthographic projection of the main support columns 17 on the substrate is adjacent to the orthographic projection of the red pixel unit 141R on the substrate, or the orthographic projection of the main support columns 17 on the substrate is adjacent to the orthographic projection of the blue pixel unit 141B on the substrate, the luminance of the region corresponding to the red pixel unit 141R or the blue pixel unit 141B is reduced, the influence on the luminance of the corresponding region is smaller, and the resolution of the dark spot formed on the region corresponding to the first sub-pixel unit 14 can be reduced, further improve the regular dark spot phenomenon of the display panel, reduce the influence of the regular dark spot on the display effect.
As shown in fig. 20, fig. 20 is a display device according to an embodiment of the present invention, which includes the display panel 18.
Specifically, the display panel 18 is described in detail above, and will not be described in detail herein.
It should be noted that the display device according to the embodiment of the present invention may include, but is not limited to, a Personal Computer (PC), a Personal Digital Assistant (PDA), a wireless handheld device, a Tablet Computer (Tablet Computer), a mobile phone, an MP3 player, an MP4 player, and the like.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A display panel, comprising:
the array substrate comprises a substrate, and a plurality of data lines and a plurality of scanning lines which are arranged on the substrate, wherein the data lines and the scanning lines are insulated and crossed to define a plurality of sub-pixel units;
the color film substrate is arranged opposite to the array substrate;
the liquid crystal layer is positioned between the array substrate and the color film substrate and comprises liquid crystal;
the main supporting columns are arranged between the color film substrate and the array substrate;
the plurality of sub-pixel units comprise a plurality of first sub-pixel units and a plurality of second sub-pixel units, and at least two first sub-pixel units are arranged around one main supporting column;
the first sub-pixel unit comprises first electrodes, each first electrode is provided with two first electrode branches, and the extending direction of each first electrode branch and the alignment direction of the liquid crystal form a first included angle; the second sub-pixel unit comprises second electrodes, each second electrode is provided with two second electrode branches, and the extending direction of each second electrode branch and the alignment direction of the liquid crystal form a second included angle; wherein the second included angle is greater than the first included angle;
each first electrode further comprises a third electrode branch, the third electrode branch is connected between the two first electrode branches, and a third included angle is formed between the extending direction of each third electrode branch and the alignment direction of the liquid crystal; each second electrode also comprises a fourth electrode branch, the fourth electrode branch is connected between the two second electrode branches, and the extending direction of each fourth electrode branch and the alignment direction of the liquid crystal form a fourth included angle; wherein the third included angle is equal to the fourth included angle.
2. The display panel of claim 1, wherein every fourth of the first sub-pixel units is disposed around one of the main support pillars.
3. The display panel of claim 1, wherein when the liquid crystal is a negative liquid crystal, the first included angle has an angle θ 1, wherein 70 ° ≦ θ 1 ≦ 84 °, and the second included angle has an angle θ 2, wherein 70 ° ≦ θ 2 ≦ 84 °.
4. The display panel of claim 1, wherein when the liquid crystal is a positive liquid crystal, the first included angle has an angle θ 1, wherein 3 ° ≦ θ 1 ≦ 10 °, and the second included angle has an angle θ 2, wherein 3 ° ≦ θ 2 ≦ 10 °.
5. The display panel of claim 1, wherein a fifth included angle is formed between the first electrode branch and the third electrode branch, a sixth included angle is formed between the second electrode branch and the fourth electrode branch, and the fifth included angle is greater than the sixth included angle.
6. The display panel of claim 5, wherein the fifth included angle has an angle θ 5, wherein 7 ° ≦ θ 5 ≦ 45 °, and the sixth included angle has an angle θ 6, wherein 7 ° ≦ θ 6 ≦ 45 °.
7. The display panel of claim 1, wherein an orthographic projection of the plurality of main support pillars on the substrate base plate is adjacent to an orthographic projection of the first sub-pixel unit on the substrate base plate.
8. The display panel of claim 7,
the first sub-pixel unit comprises a red pixel unit and a blue pixel unit;
the orthographic projection of the multiple main support columns on the substrate base plate is adjacent to the orthographic projection of the red pixel units on the substrate base plate, and/or the orthographic projection of the multiple main support columns on the substrate base plate is adjacent to the orthographic projection of the blue pixel units on the substrate base plate.
9. A display device characterized by comprising the display panel according to any one of claims 1 to 8.
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| CN109471281B (en) * | 2018-07-02 | 2022-12-23 | 惠科股份有限公司 | Display panel and method for manufacturing liquid crystal display panel |
| CN116339020B (en) * | 2023-05-30 | 2023-10-17 | 武汉华星光电技术有限公司 | Display panel and display device |
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| TWI522704B (en) * | 2014-02-26 | 2016-02-21 | 友達光電股份有限公司 | Display panel |
| TWI518423B (en) * | 2014-10-21 | 2016-01-21 | 友達光電股份有限公司 | Display panel |
| CN104483781B (en) * | 2014-12-30 | 2018-05-04 | 厦门天马微电子有限公司 | A kind of liquid crystal display and preparation method thereof and electronic equipment |
| CN105093723A (en) * | 2015-09-08 | 2015-11-25 | 深圳市华星光电技术有限公司 | Liquid crystal display panel capable of improving color error |
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