CN110908195A - Pixel electrode and liquid crystal display panel - Google Patents
Pixel electrode and liquid crystal display panel Download PDFInfo
- Publication number
- CN110908195A CN110908195A CN201911145376.0A CN201911145376A CN110908195A CN 110908195 A CN110908195 A CN 110908195A CN 201911145376 A CN201911145376 A CN 201911145376A CN 110908195 A CN110908195 A CN 110908195A
- Authority
- CN
- China
- Prior art keywords
- pixel electrode
- trunk
- display
- display domain
- branches
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
- G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a pixel electrode and a liquid crystal display panel, wherein the pixel electrode is divided into a plurality of display domains, the included angles of pixel electrode branches of at least two connected display domains and the same pixel electrode trunk are the same, and the included angles of the pixel electrode branches of other display domains and the same pixel electrode trunk are the same, so that inclined electric fields generated by different display domains can induce liquid crystal molecules in different display domains to fall to different directions to play a role in improving color cast, and the included angles of the pixel electrode branches in at least two display domains and the same pixel electrode trunk are different, so that inclined electric fields with different included angles can be provided, the diversity of liquid crystal rotation lodging is increased, the off-axis color cast is further improved, and the technical problem that the color cast can occur under a large visual angle of the current vertical alignment type liquid crystal display panel is solved.
Description
Technical Field
The invention relates to the field of display, in particular to a pixel electrode and a liquid crystal display panel.
Background
Active thin film transistor liquid crystal display panels have been rapidly developed and widely used in recent years, and as for display panels in the current mainstream market, they can be classified into three types, namely twisted nematic or super twisted nematic, planar switching, and vertical alignment; the vertical alignment liquid crystal display panel has extremely high contrast ratio compared with other liquid crystal display panels, is widely used in large-size display such as liquid crystal televisions, and has the problem of color cast under a large viewing angle.
Namely, the current vertical alignment liquid crystal display panel has the technical problem of color cast under a large viewing angle.
Disclosure of Invention
The invention provides a pixel electrode and a liquid crystal display panel, which are used for relieving the technical problem that the color cast can occur under a large visual angle of the current vertical alignment type liquid crystal display panel.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the present invention provides a pixel electrode, comprising:
the pixel electrode trunk divides one sub-pixel into a plurality of display domains;
the pixel electrode branches are arranged in the display domains and extend from the pixel electrode main body along different directions, and the pixel electrode branches of the display domains extend along the same direction;
the included angles between the pixel electrode branches of at least two connected display domains and the same pixel electrode trunk are the same, and the included angles between the pixel electrode branches of other display domains and the same pixel electrode trunk are different.
In the pixel electrode provided in the embodiment of the present invention, the pixel electrode stem includes:
a first pixel electrode stem;
the second pixel electrode trunk is intersected with the first pixel electrode trunk;
the second pixel electrode main body is matched with the first pixel electrode main body, and sub-pixels are divided into a first display domain, a second display domain, a third display domain and a fourth display domain which are distributed anticlockwise;
the value range of a first included angle between the pixel electrode branches in the first display domain and the first pixel electrode trunk is 35-45 degrees, and the value range of a third included angle between the pixel electrode branches in the third display domain and the first pixel electrode trunk is 45-55 degrees.
In the pixel electrode provided in the embodiment of the present invention, a second included angle between a pixel electrode branch in the second display domain and the first pixel electrode trunk is the same as the first included angle; and a fourth included angle between the pixel electrode branch in the fourth display domain and the first pixel electrode trunk is the same as the third included angle.
In the pixel electrode provided in the embodiment of the present invention, a second included angle between a pixel electrode branch in the second display domain and the first pixel electrode trunk is the same as the third included angle; and a fourth included angle between the pixel electrode branch in the fourth display domain and the first pixel electrode trunk is the same as the first included angle.
In the pixel electrode provided in the embodiment of the present invention, the pixel electrode stem includes:
a third pixel electrode stem;
the fourth pixel electrode trunk is intersected with the third pixel electrode trunk;
a fifth pixel electrode trunk, intersecting with the third pixel electrode trunk and the fourth pixel electrode trunk; and
a connection electrode intersecting with the third pixel electrode trunk and not intersecting with the fourth pixel electrode trunk and the fifth pixel electrode trunk;
the third pixel electrode trunk, the fourth pixel electrode trunk and the connecting electrode are matched, and sub-pixels are divided into a fifth display domain, a sixth display domain, a seventh display domain and an eighth display domain which are distributed anticlockwise;
the third pixel electrode trunk, the connecting electrode and the fifth pixel electrode trunk are matched to divide the sub-pixels into a ninth display domain, a tenth display domain, an eleventh display domain and a twelfth display domain which are distributed anticlockwise;
a value range of a fifth included angle between the pixel electrode branches in the fifth display domain and the third pixel electrode trunk is 35 to 45 degrees, and a value range of a ninth included angle between the pixel electrode branches in the ninth display domain and the third pixel electrode trunk is 45 to 55 degrees.
In the pixel electrode provided in the embodiment of the present invention, the pixel electrode branches in the seventh display domain, the eighth display domain, the ninth display domain, and the tenth display domain are all connected to the connection electrode.
In the pixel electrode provided in the embodiment of the present invention, a fifth included angle between the pixel electrode branch in the fifth display domain and the third pixel electrode trunk, a sixth included angle between the pixel electrode branch in the sixth display domain and the third pixel electrode trunk, a seventh included angle between the pixel electrode branch in the seventh display domain and the third pixel electrode trunk, and an eighth included angle between the pixel electrode branch in the eighth display domain and the third pixel electrode trunk are all the same.
In the pixel electrode provided in the embodiment of the present invention, a ninth angle between a pixel electrode branch in the ninth display domain and the third pixel electrode trunk, a tenth angle between a pixel electrode branch in the tenth display domain and the third pixel electrode trunk, an eleventh angle between a pixel electrode branch in the eleventh display domain and the third pixel electrode trunk, and a twelfth angle between a pixel electrode branch in the twelfth display domain and the third pixel electrode trunk are all the same.
The pixel electrode provided by the embodiment of the invention further comprises:
the first closed frame is connected with the tail ends of all the pixel electrode branches and the main part of the pixel electrode;
at least one second closed frame sleeved on the periphery of the first closed frame and connected with the pixel electrode trunk;
the first closed frame and the second closed frame are mutually spaced, and a new display domain is formed between the first closed frame and the second closed frame.
Meanwhile, an embodiment of the present invention further provides a liquid crystal display panel, including:
an upper substrate;
a lower substrate disposed opposite to the upper substrate;
the public electrode is arranged on one side of the upper substrate, which faces the lower substrate;
the pixel electrode is arranged on one side, facing the upper substrate, of the lower substrate; and
the liquid crystal layer is filled between the common electrode and the pixel electrode;
the pixel electrode comprises the pixel electrode.
Has the advantages that: the invention provides a pixel electrode and a liquid crystal display panel, wherein the pixel electrode is divided into a plurality of display domains, the included angles of pixel electrode branches of at least two connected display domains and the same pixel electrode trunk are the same, and the included angles of the pixel electrode branches of other display domains and the same pixel electrode trunk are different, so that inclined electric fields generated by different display domains can induce liquid crystal molecules in different display domains to fall to different directions to play a role in improving color cast, and the included angles of the pixel electrode branches in at least two display domains and the same pixel electrode trunk are different, so that inclined electric fields with different included angles can be provided, the diversity of rotation and lodging of liquid crystal is increased, off-axis color cast is further improved, and the technical problem that the color cast can occur under a large visual angle of the current vertical alignment type liquid crystal display panel is solved.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a liquid crystal display panel according to an embodiment of the invention;
fig. 2 is a schematic view of a first structure of a pixel electrode according to an embodiment of the invention;
fig. 3 is a schematic diagram illustrating a second structure of a pixel electrode according to an embodiment of the invention;
fig. 4 is a schematic diagram of a third structure of a pixel electrode according to an embodiment of the invention;
fig. 5 is a schematic diagram illustrating a fourth structure of a pixel electrode according to an embodiment of the invention;
fig. 6 is a schematic diagram of a fifth structure of a pixel electrode according to an embodiment of the invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
In the drawings of the present invention, the same filling pattern indicates the same film layer.
In the embodiment of the present invention, the size of the included angle between the pixel electrode branches and the pixel electrode trunk refers to the size of the acute angle formed between the pixel electrode branches and the pixel electrode trunk.
In the embodiment of the invention, the pixel electrode branches located in the same display domain are parallel, that is, the pixel electrode branches of the display domain extend along the same direction.
In the embodiment of the present invention, the at least two connected display domains means that the at least two display domains are adjacent to each other in physical position and are electrically connected to each other through the same pixel electrode trunk.
The invention aims at the technical problem that the color cast can occur under a large visual angle of the current vertical alignment type liquid crystal display panel, and the embodiment of the invention can relieve the problem.
As shown in fig. 1, the embodiment of the invention provides a liquid crystal display panel including an upper substrate 10, a lower substrate 20 disposed opposite to the upper substrate 10, a liquid crystal layer 50 sandwiched between the upper substrate 10 and the lower substrate 20, a pixel electrode 70 disposed on the lower substrate 20, and a common electrode 80 filled on the upper substrate 10 and opposite to the pixel electrode 70.
As shown in fig. 2 to 6, the pixel electrode 70 includes:
a pixel electrode stem 71 dividing one sub-pixel into a plurality of display domains (e.g., display domains D1-D12, etc.);
the included angles between the pixel electrode branches 72 of at least two connected display domains and the same pixel electrode trunk 71 are the same, and the included angles between the pixel electrode branches of other display domains and the same pixel electrode trunk are different.
The present embodiment provides a liquid crystal display panel, a pixel electrode of the liquid crystal display panel is divided into a plurality of display domains, and at least two pixel electrode branches connected to the display domains have the same included angle with a main pixel electrode, and the included angles with the pixel electrode branches of other display domains and the main pixel electrode are different, so that the oblique electric fields generated by different display domains can induce liquid crystal molecules in different display domains to fall to different directions, thereby improving color shift, and the included angles between the pixel electrode branches in at least two display domains and the main pixel electrode are different, thereby providing oblique electric fields with different included angles, increasing the diversity of liquid crystal rotation lodging, further improving off-axis color shift, and alleviating the technical problem that color shift can occur under a large viewing angle of the current vertical alignment type liquid crystal display panel.
In an embodiment of the present invention, as shown in fig. 2 to 6, only one driving TFT (thin film transistor) 90 and one pixel electrode 70 are included in one sub-pixel structure, so that compared with the conventional 3T8D (i.e. 4 display domains of the main display area and the auxiliary display area are respectively controlled by 2 TFTs, and the voltage difference between the main display area and the auxiliary display area at the same time is different by performing a certain degree of leakage processing on the auxiliary display area by a third TFT), the arrangement area of the TFTs can be reduced, and the aperture ratio can be increased.
In an embodiment of the invention, the pixel electrode is made of a transparent conductive material such as indium tin oxide.
In one embodiment of the present invention, the plurality of pixel electrode branches 72 in one display domain are parallel to and spaced apart from each other, and the extending directions of the pixel electrode branches 72 in two adjacent display domains are different.
The pixel electrode provided by the present invention will now be explained with reference to the drawings.
In an embodiment of the present invention, as shown in fig. 2, the pixel electrode stem 71 of the pixel electrode 70 includes:
a first pixel electrode stem 711;
a second pixel electrode stem 712 intersecting with the first pixel electrode stem 711;
the second pixel electrode trunk 712 cooperates with the first pixel electrode trunk 711 to divide the sub-pixel into a first display domain D1, a second display domain D2, a third display domain D3 and a fourth display domain D4 which are distributed counterclockwise;
a value range of a first included angle a1 between the pixel electrode branch 72 in the first display domain D1 and the first pixel electrode trunk 711 is 35 to 45 degrees, and a value range of a third included angle a3 between the pixel electrode branch 72 in the third display domain D3 and the first pixel electrode trunk 711 is 45 to 55 degrees.
In one embodiment of the present invention, as shown in fig. 2, the first pixel electrode stem 711 is perpendicular to the scan line 31 and parallel to the data line 32.
In one embodiment of the present invention, as shown in fig. 2, the second pixel electrode stem 712 is perpendicular to the data line 32 and parallel to the scan line 31, i.e. the second pixel electrode stem 712 is perpendicular to the first pixel electrode stem 711.
In one embodiment of the present invention, as shown in fig. 2, the first pixel electrode stem 711 passes through the midpoint of the second pixel electrode stem 712.
In one embodiment of the present invention, as shown in fig. 2, the second pixel electrode stem 712 passes through the midpoint of the first pixel electrode stem 711.
In an embodiment of the present invention, as shown in fig. 2, a second included angle a2 between the pixel electrode branch 72 and the first pixel electrode stem 711 in the second display domain D2 is the same as the first included angle a 1; a fourth included angle a4 between the pixel electrode branch in the fourth display domain D4 and the first pixel electrode trunk is the same as the third included angle a 3.
In one embodiment of the present invention, the first included angle a1 is 45 degrees, and the third included angle a3 is 55 degrees.
In an embodiment of the present invention, as shown in fig. 3, a second included angle a2 between the pixel electrode branch 72 and the first pixel electrode stem 711 in the second display domain D2 is the same as the third included angle a 3; a fourth included angle a4 between the pixel electrode branch in the fourth display domain D4 and the first pixel electrode trunk is the same as the first included angle a 1.
In an embodiment of the present invention, as shown in fig. 4, the pixel electrode 70 further includes:
a first closed frame 73 connecting the ends of all the pixel electrode branches 72 and the pixel electrode trunk 71;
at least one second sealing frame 74 sleeved on the periphery of the first sealing frame 73 and connected with the pixel electrode trunk 71;
the first closed frame 73 and the second closed frame 74 are spaced from each other, and a new display domain D13 is formed between the first closed frame and the second closed frame; the liquid crystal molecules in the new display domain can form an orientation polar angle different from that of the liquid crystal molecules in other domains, so that the visual angle of the liquid crystal display panel under the medium and low gray scales can be further improved.
The pixel electrode provided by the embodiment is provided with a first closed frame which is connected with the tail ends of all pixel electrode branches and a pixel electrode main body, and at least one second closed frame which is sleeved on the periphery of the first closed frame and is connected with the main body, and the edge electric field of the pixel electrode is regular through the first closed frame and the second closed frame, so that the orientations of liquid crystal molecules positioned at the edges of sub-pixels are uniform, dark stripes at the peripheral edges of the sub-pixels can be eliminated, and the optical transmittance of the liquid crystal display panel is improved; in addition, a new display domain is formed between the first closed frame and the second closed frame, so that the visual angle of the liquid crystal display panel under the medium and low gray scales can be further improved.
In an embodiment of the present invention, as shown in fig. 4, the first sealing frame 73 and the second sealing frame 74 are both rectangular, and both form a "square-back" structure.
In an embodiment of the present invention, as shown in fig. 5, the pixel electrode stem 71 of the pixel electrode 70 includes:
a third pixel electrode stem 713;
a fourth pixel electrode stem 714 intersecting with the third pixel electrode stem 713;
a fifth pixel electrode stem 715, intersecting the third pixel electrode stem 713, and not intersecting the fourth pixel electrode stem 714; and
a connection electrode 716 intersecting the third pixel electrode stem 713 and the fourth pixel electrode stem 714 and the fifth pixel electrode stem 715;
the third pixel electrode stem 713, the fourth pixel electrode stem 714 and the connection electrode 716 cooperate to divide the sub-pixel into a fifth display domain D5, a sixth display domain D6, a seventh display domain D7 and an eighth display domain D8 which are distributed counterclockwise;
the third pixel electrode stem 713, the connection electrode 716 and the fifth pixel electrode stem 715 cooperate to divide the sub-pixel into a ninth display domain D9, a tenth display domain D10, an eleventh display domain D11 and a twelfth display domain D12 which are distributed counterclockwise;
a value range of a fifth included angle a5 between the pixel electrode branch 72 in the fifth display domain D5 and the third pixel electrode stem 713 is 35 to 45 degrees, and a value range of a ninth included angle a9 between the pixel electrode branch 72 in the ninth display domain D9 and the third pixel electrode stem 713 is 45 to 55 degrees.
In the embodiment, the pixel electrodes are set to be the combination of two display domains in a shape of Chinese character mi 4 which are connected in an equipotential manner, so that a partition effect of 8 display domains is formed; meanwhile, the slit angle (the included angle between the pixel electrode branch 72 and the third pixel electrode main body 713) of the other 4 display domains (the 4 display domains far away from the TFT and electrically connected with the 4 display domains near the TFT) is increased to 50 to 60 degrees by setting the slit angle (the included angle between the pixel electrode branch 72 and the third pixel electrode main body 713) of the main 4 display domains (the 4 display domains near the TFT) to 45 degrees so as to ensure the penetration rate, and the diversity of the rotation and lodging of the liquid crystal is increased so as to improve the off-axis color cast.
In one embodiment of the present invention, as shown in fig. 5, the third pixel electrode stem 713 is perpendicular to the scan line 31 and parallel to the data line 32.
In an embodiment of the invention, as shown in fig. 5, the fourth pixel electrode stem 714 is perpendicular to the data line 32 and parallel to the scan line 31, i.e. the fourth pixel electrode stem 714 is perpendicular to the third pixel electrode stem 713.
In an embodiment of the invention, as shown in fig. 5, the fifth pixel electrode stem 715 is perpendicular to the data line 32 and parallel to the scan line 31, i.e. the fifth pixel electrode stem 715 is perpendicular to the third pixel electrode stem 713.
In one embodiment of the present invention, as shown in fig. 5, the connection electrode 716 is perpendicular to the data line 32 and parallel to the scan line 31, i.e., the connection electrode 716 is perpendicular to the third stem 713 of the pixel electrode.
In an embodiment of the invention, as shown in fig. 5, the third pixel electrode stem 713 sequentially passes through the middle points of the fourth pixel electrode stem 714, the fifth pixel electrode stem 715 and the connecting electrode 716.
In one embodiment of the present invention, as shown in fig. 5, the fourth pixel electrode stem 714 passes through a quarter-bisector of the third pixel electrode stem 713, the connecting electrode 716 passes through a middle point of the third pixel electrode stem 713, and the fifth pixel electrode stem 715 passes through a three-quarters-bisector of the third pixel electrode stem 713.
In one embodiment of the present invention, as shown in fig. 5, the pixel electrode branches 72 in the seventh display domain D7, the eighth display domain D8, the ninth display domain D9, and the tenth display domain D10 are all connected to the connection electrode 716.
In an embodiment of the invention, as shown in fig. 5, a fifth angle a5 between the pixel electrode branch 72 in the fifth display domain D5 and the third pixel electrode stem 713, a sixth angle a6 between the pixel electrode branch 72 in the sixth display domain D6 and the third pixel electrode stem 713, a seventh angle a7 between the pixel electrode branch in the seventh display domain D and the third pixel electrode stem, and an eighth angle a8 between the pixel electrode branch in the eighth display domain D and the third pixel electrode stem are the same.
In one embodiment of the present invention, the fifth angle a5, the sixth angle a6, the seventh angle a7 and the eighth angle a8 are all 45 degrees.
In an embodiment of the invention, as shown in fig. 5, a ninth angle a9 between the pixel electrode branch 72 in the ninth display domain D9 and the third pixel electrode stem 713, a tenth angle a10 between the pixel electrode branch 72 in the tenth display domain D10 and the third pixel electrode stem 713, an eleventh angle a11 between the pixel electrode branch 72 in the eleventh display domain D11 and the third pixel electrode stem 713, and a twelfth angle a12 between the pixel electrode branch 72 in the twelfth display domain D12 and the third pixel electrode stem 713 are all the same.
In one embodiment of the present invention, the ninth angle a9, the tenth angle a10, the eleventh angle a11 and the twelfth angle a12 are all 55 degrees.
In an embodiment of the present invention, as shown in fig. 6, the pixel electrode 70 further includes:
a first closed frame 73 connecting the ends of all the pixel electrode branches 72 and the pixel electrode trunk 71;
at least one second sealing frame 74 sleeved on the periphery of the first sealing frame 73 and connected with the pixel electrode trunk 71;
the first closed frame 73 and the second closed frame 74 are spaced from each other, and a new display domain D13 is formed between the first closed frame and the second closed frame; the liquid crystal molecules in the new display domain can form an orientation polar angle different from that of the liquid crystal molecules in other domains, so that the visual angle of the liquid crystal display panel under the medium and low gray scales can be further improved.
According to the above embodiment:
the embodiment of the invention provides a pixel electrode and a liquid crystal display panel, wherein the pixel electrode is divided into a plurality of display domains, the included angles between the pixel electrode branches of at least two connected display domains and the same pixel electrode trunk are the same, and the included angles between the pixel electrode branches of other display domains and the same pixel electrode trunk are different, so that inclined electric fields generated by different display domains can induce liquid crystal molecules in different display domains to fall to different directions to play a role in improving color cast, and the included angles between the pixel electrode branches of at least two display domains and the same pixel electrode trunk are different, so that inclined electric fields with different included angles can be provided, the diversity of rotation and lodging of liquid crystal is increased, off-axis color cast is further improved, and the technical problem that the color cast can occur under a large visual angle of the current vertical alignment type liquid crystal display panel is solved.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A pixel electrode, comprising:
the pixel electrode trunk divides one sub-pixel into a plurality of display domains;
the pixel electrode branches are arranged in the display domains and extend from the pixel electrode main body along different directions, and the pixel electrode branches of the display domains extend along the same direction;
the included angles between the pixel electrode branches of at least two connected display domains and the same pixel electrode trunk are the same, and the included angles between the pixel electrode branches of other display domains and the same pixel electrode trunk are different.
2. The pixel electrode according to claim 1, wherein the pixel electrode stem comprises:
a first pixel electrode stem;
the second pixel electrode trunk is intersected with the first pixel electrode trunk;
the second pixel electrode main body is matched with the first pixel electrode main body, and sub-pixels are divided into a first display domain, a second display domain, a third display domain and a fourth display domain which are distributed anticlockwise;
the value range of a first included angle between the pixel electrode branches in the first display domain and the first pixel electrode trunk is 35-45 degrees, and the value range of a third included angle between the pixel electrode branches in the third display domain and the first pixel electrode trunk is 45-55 degrees.
3. The pixel electrode according to claim 2, wherein a second angle between the pixel electrode branches in the second display domain and the first pixel electrode trunk is the same as the first angle; and a fourth included angle between the pixel electrode branch in the fourth display domain and the first pixel electrode trunk is the same as the third included angle.
4. The pixel electrode according to claim 2, wherein a second angle between the pixel electrode branches in the second display domain and the first pixel electrode trunk is the same as the third angle; and a fourth included angle between the pixel electrode branch in the fourth display domain and the first pixel electrode trunk is the same as the first included angle.
5. The pixel electrode according to claim 1, wherein the pixel electrode stem comprises:
a third pixel electrode stem;
the fourth pixel electrode trunk is intersected with the third pixel electrode trunk;
a fifth pixel electrode trunk, intersecting with the third pixel electrode trunk and the fourth pixel electrode trunk; and
a connection electrode intersecting with the third pixel electrode trunk and not intersecting with the fourth pixel electrode trunk and the fifth pixel electrode trunk;
the third pixel electrode trunk, the fourth pixel electrode trunk and the connecting electrode are matched, and sub-pixels are divided into a fifth display domain, a sixth display domain, a seventh display domain and an eighth display domain which are distributed anticlockwise;
the third pixel electrode trunk, the connecting electrode and the fifth pixel electrode trunk are matched to divide the sub-pixels into a ninth display domain, a tenth display domain, an eleventh display domain and a twelfth display domain which are distributed anticlockwise;
a value range of a fifth included angle between the pixel electrode branches in the fifth display domain and the third pixel electrode trunk is 35 to 45 degrees, and a value range of a ninth included angle between the pixel electrode branches in the ninth display domain and the third pixel electrode trunk is 45 to 55 degrees.
6. The pixel electrode according to claim 5, wherein the pixel electrode branches in the seventh, eighth, ninth, and tenth display domains are connected to the connection electrode.
7. The pixel electrode according to claim 5, wherein a fifth angle between the pixel electrode branches in the fifth display domain and the third pixel electrode trunk, a sixth angle between the pixel electrode branches in the sixth display domain and the third pixel electrode trunk, a seventh angle between the pixel electrode branches in the seventh display domain and the third pixel electrode trunk, and an eighth angle between the pixel electrode branches in the eighth display domain and the third pixel electrode trunk are the same.
8. The pixel electrode according to claim 5, wherein a ninth angle between the pixel electrode branches in the ninth display domain and the third pixel electrode trunk, a tenth angle between the pixel electrode branches in the tenth display domain and the third pixel electrode trunk, an eleventh angle between the pixel electrode branches in the eleventh display domain and the third pixel electrode trunk, and a twelfth angle between the pixel electrode branches in the twelfth display domain and the third pixel electrode trunk are the same.
9. The pixel electrode according to any one of claims 1 to 8, further comprising:
the first closed frame is connected with the tail ends of all the pixel electrode branches and the main part of the pixel electrode;
at least one second closed frame sleeved on the periphery of the first closed frame and connected with the pixel electrode trunk;
the first closed frame and the second closed frame are mutually spaced, and a new display domain is formed between the first closed frame and the second closed frame.
10. A liquid crystal display panel, comprising:
an upper substrate;
a lower substrate disposed opposite to the upper substrate;
the public electrode is arranged on one side of the upper substrate, which faces the lower substrate;
the pixel electrode is arranged on one side, facing the upper substrate, of the lower substrate; and
the liquid crystal layer is filled between the common electrode and the pixel electrode;
wherein the pixel electrode comprises a pixel electrode according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145376.0A CN110908195A (en) | 2019-11-21 | 2019-11-21 | Pixel electrode and liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145376.0A CN110908195A (en) | 2019-11-21 | 2019-11-21 | Pixel electrode and liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110908195A true CN110908195A (en) | 2020-03-24 |
Family
ID=69818288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911145376.0A Pending CN110908195A (en) | 2019-11-21 | 2019-11-21 | Pixel electrode and liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110908195A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308808A (en) * | 2020-04-01 | 2020-06-19 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode and liquid crystal display panel |
| CN111474779A (en) * | 2020-05-13 | 2020-07-31 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and liquid crystal display panel |
| CN112526790A (en) * | 2020-04-30 | 2021-03-19 | 友达光电股份有限公司 | Display panel |
| CN112596309A (en) * | 2020-12-14 | 2021-04-02 | Tcl华星光电技术有限公司 | Display panel and display device |
| CN114815408A (en) * | 2022-04-14 | 2022-07-29 | Tcl华星光电技术有限公司 | Display panel and display device |
| US11520188B2 (en) | 2020-12-14 | 2022-12-06 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display panel and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667595A (en) * | 2009-11-13 | 2012-09-12 | 夏普株式会社 | Liquid crystal display device |
| CN103885256A (en) * | 2012-12-21 | 2014-06-25 | 上海天马微电子有限公司 | Pixel unit and array substrate of edge-switching mode liquid crystal display device |
| CN105242461A (en) * | 2015-08-24 | 2016-01-13 | 友达光电股份有限公司 | Pixel structure and curved display |
| CN107329334A (en) * | 2017-08-03 | 2017-11-07 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode and liquid crystal display panel |
-
2019
- 2019-11-21 CN CN201911145376.0A patent/CN110908195A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667595A (en) * | 2009-11-13 | 2012-09-12 | 夏普株式会社 | Liquid crystal display device |
| CN103885256A (en) * | 2012-12-21 | 2014-06-25 | 上海天马微电子有限公司 | Pixel unit and array substrate of edge-switching mode liquid crystal display device |
| CN105242461A (en) * | 2015-08-24 | 2016-01-13 | 友达光电股份有限公司 | Pixel structure and curved display |
| CN107329334A (en) * | 2017-08-03 | 2017-11-07 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode and liquid crystal display panel |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111308808A (en) * | 2020-04-01 | 2020-06-19 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode and liquid crystal display panel |
| US11822188B2 (en) | 2020-04-01 | 2023-11-21 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Pixel electrode and liquid crystal display panel |
| CN112526790A (en) * | 2020-04-30 | 2021-03-19 | 友达光电股份有限公司 | Display panel |
| TWI743765B (en) * | 2020-04-30 | 2021-10-21 | 友達光電股份有限公司 | Display panel |
| CN111474779A (en) * | 2020-05-13 | 2020-07-31 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and liquid crystal display panel |
| WO2021227157A1 (en) * | 2020-05-13 | 2021-11-18 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and liquid crystal display panel |
| CN112596309A (en) * | 2020-12-14 | 2021-04-02 | Tcl华星光电技术有限公司 | Display panel and display device |
| WO2022126704A1 (en) * | 2020-12-14 | 2022-06-23 | Tcl华星光电技术有限公司 | Display panel and display device |
| US11520188B2 (en) | 2020-12-14 | 2022-12-06 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display panel and display device |
| CN114815408A (en) * | 2022-04-14 | 2022-07-29 | Tcl华星光电技术有限公司 | Display panel and display device |
| CN114815408B (en) * | 2022-04-14 | 2023-09-26 | Tcl华星光电技术有限公司 | Display panel and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110908195A (en) | Pixel electrode and liquid crystal display panel | |
| US10520781B2 (en) | Liquid crystal display | |
| US7894031B2 (en) | Pixel structure of horizontal field liquid crystal display | |
| US20200089063A1 (en) | Liquid crystal display comprising a pixel electrode having a transverse stem, a longitudinal stem, and a plurality of minute branches | |
| US9046713B2 (en) | Liquid crystal display | |
| US8537317B2 (en) | Multi-domain vertical alignment liquid crystal display comprising slanting slits extending along diagonals of a plurality of pixel electrodes wherein the slanting slits have a length of ⅓ the total length of the diagonals of the pixel electrodes | |
| US8427617B2 (en) | Transverse electric field mode liquid crystal display panel capable of preventing bright regions of the circumferences of slit-shaped openings of an upper electrode | |
| US9400408B2 (en) | Liquid crystal display | |
| US8643813B2 (en) | Liquid crystal display | |
| EP3663844A1 (en) | Pixel electrode and liquid crystal display panel | |
| US8836900B2 (en) | Array substrate and liquid crystal display device | |
| US20020163604A1 (en) | In plane fringe field switching mode LCD realizing high screen quality | |
| US8605242B2 (en) | Liquid crystal display | |
| US6839117B1 (en) | Compensating electrode structure of a display device | |
| JP2000356786A (en) | Liquid crystal display device | |
| CN102667595A (en) | Liquid crystal display device | |
| US9817281B2 (en) | Liquid crystal display | |
| US6317182B1 (en) | Liquid crystal display apparatus | |
| KR102269082B1 (en) | Display device | |
| WO2019080596A1 (en) | Array substrate and display device | |
| KR101258218B1 (en) | Liquid crystal display | |
| US9829752B2 (en) | Liquid crystal display device | |
| CN108957875B (en) | Pixel structure and liquid crystal display device | |
| CN112327544A (en) | Pixel unit, display panel and display device | |
| CN108388039B (en) | Curved surface display panel and curved surface display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200324 |