CN110068969A - Pixel electrode structure and liquid crystal display panel - Google Patents
Pixel electrode structure and liquid crystal display panel Download PDFInfo
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- CN110068969A CN110068969A CN201910340684.2A CN201910340684A CN110068969A CN 110068969 A CN110068969 A CN 110068969A CN 201910340684 A CN201910340684 A CN 201910340684A CN 110068969 A CN110068969 A CN 110068969A
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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 present invention provides a kind of pixel electrode structure and liquid crystal display panel.The pixel electrode structure includes the first main electrode, the second main electrode and multiple branch electrodes；First main electrode and the second main electrode square crossing mark off first electrode area, the second electrode region, third electrode zone and the 4th electrode zone of matrix pattern distribution, and multiple branch electrodes of parallel interval arrangement are equipped in first to fourth electrode zone；And the branch electrodes being located in the second electrode region and first electrode area are symmetrical about the first main electrode, branch electrodes in the second electrode region and third electrode zone are symmetrical about the second main electrode, branch electrodes in the 4th electrode zone and third electrode zone are symmetrical about the first main electrode, and it is located at the branch electrodes in third electrode zone and is arranged with the branch electrodes dislocation being located in first electrode area, the size in dark line region can be effectively controlled, display quality is promoted.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of pixel electrode structures and liquid crystal display panel.
Background technique
Liquid crystal display (Liquid Crystal Display, LCD) has thin fuselage, power saving, radiationless etc. numerous excellent
Point, is widely used, such as: LCD TV, mobile phone, personal digital assistant (PDA), digital camera, computer screen
Curtain or laptop screen etc., occupy an leading position in flat display field.
Usual liquid crystal display device includes shell, the liquid crystal display panel being set in the housing and the backlight module being set in the housing
(Backlight module).Wherein, the structure of liquid crystal display panel is mainly by a thin-film transistor array base-plate (Thin Film
Transistor Array Substrate, TFT Array Substrate), a colored filter substrate (Color Filter
Substrate, CF Substrate) and it is configured at liquid crystal layer (Liquid Crystal Layer) institute's structure between two substrates
At, its working principle is that by pixel electrode from two panels to TFT substrate and CF substrate public electrode on apply driving voltage
Come control liquid crystal layer liquid crystal molecule rotation, by the light refraction of backlight module come out generate picture.
In order to which liquid crystal display panel obtains better wide viewing angle characteristic, improve colour cast problem, the prior art proposes one kind
One sub-pixel is divided into multiple regions by multidomain technology, and make the liquid crystal in each region lodge after application of a voltage to
Different direction, so that the effect for seeing all directions tends to average homogeneity.As shown in Figure 1, existing using multidomain technology
Pixel electrode structure includes branch's electricity of the first main electrode 100 of strip, the second main electrode 200 of strip and multiple strips
Pole 300；First main electrode 100 and 200 square crossing of the second main electrode mark off the first electrode of matrix pattern distribution
Region 101, the second electrode region 102, third electrode zone 103 and the 4th electrode zone 104, the first electrode area 101,
Multiple points of parallel interval arrangement are equipped in the second electrode region 102, third electrode zone 103 and the 4th electrode zone 104
Branch electrode 300, one end of each branch electrodes 300 with one in the first main electrode 100 and the second main electrode 200
It is connected, the other end extends to the direction far from first main electrode 100 and the crosspoint of the second main electrode 200；Position
In the branch electrodes 300 in the second electrode region 102 with the branch electrodes 300 in first electrode area 101 about first
Main electrode 100 is symmetrical, the branch electrodes 300 in the second electrode region 102 and point being located in third electrode zone 103
Branch electrode 300 is symmetrical about the second main electrode 200, the branch electrodes 300 in the 4th electrode zone 104 be located at third
Branch electrodes 300 in electrode zone 103 are symmetrical about the first main electrode 100；Each is located in third electrode zone 103
Branch electrodes 300 it is corresponding with the branch electrodes 300 that one is located in first electrode area 101, and should be positioned at third electrode
Branch electrodes 300 in region 103 are located in third electrode zone 103 close to a side of the second main electrode 200 with this
The corresponding branch electrodes 300 in first electrode area 101 of branch electrodes 300 are close to the side of the first main electrode 100
Side on the same line, namely branch electrodes 300 in third electrode zone 103 be located in first electrode area 101
Crosspoint central symmetry of the branch electrodes 300 about the first main electrode 100 and the second main electrode 200, be located at the second electricity
Branch electrodes 300 in polar region domain 102 are with the branch electrodes 300 in the 4th electrode zone 104 about the first main electrode
100 and second main electrode 200 crosspoint central symmetry, since liquid crystal molecule is non-individual body, multidomain technology is improving visual angle
While, also can the position of farmland boundary and the first main electrode 100 and the second main electrode 200 generate dark line, and
In pixel electrode structure shown in FIG. 1, in 200 intersection region of the first main electrode 100 and the second main electrode, due to deflecting liquid
The continuous state or local electric field of brilliant long molecular shaft influence, and the dark line of the dark line of farmland boundary, the region is difficult to control, and are easy to appear
Dark line is scurried out into open region, and the transmitance and display quality of panel are influenced.
Summary of the invention
The purpose of the present invention is to provide a kind of pixel electrode structures, can effectively control the size in dark line region, are promoted
Display quality.
The object of the invention is also to provide a kind of liquid crystal display panels, can effectively control the size in dark line region, mention
Rise display quality.
To achieve the above object, the present invention provides a kind of pixel electrode structure, the first main electrodes including strip, item
Second main electrode of shape and the branch electrodes of multiple strips；
First main electrode and the second main electrode square crossing mark off matrix pattern distribution first electrode area,
The second electrode region, third electrode zone and the 4th electrode zone, the first electrode area, the second electrode region, third electricity
Multiple branch electrodes of parallel interval arrangement are equipped in polar region domain and the 4th electrode zone, one end of each branch electrodes is equal
It is connected with one in the first main electrode and the second main electrode, the other end is to far from first main electrode and second
The direction in the crosspoint of main electrode extends；
Branch electrodes in the second electrode region and the branch electrodes in first electrode area are main about first
Dry electrode is symmetrical, and the branch electrodes in the second electrode region are with the branch electrodes in third electrode zone about second
Main electrode is symmetrical, and the branch electrodes in the 4th electrode zone are with the branch electrodes that are located in third electrode zone about the
One main electrode is symmetrical；
It is electric that each is located at the branch that the branch electrodes in third electrode zone are located in first electrode area with one
It is extremely corresponding, and the branch electrodes that should be located in third electrode zone close to the straight line where a side of the second main electrode and are somebody's turn to do
The corresponding branch electrodes in first electrode area of branch electrodes in third electrode zone are close to the first trunk electricity
Straight line parallel interval where a side of pole.
The branch electrodes being located in third electrode zone mutual corresponding one and one are located at dividing in first electrode area
In branch electrode, with this be located at the branch electrodes in third electrode zone about the symmetrical branch electrodes of the second main electrode and with this
Branch electrodes in first electrode area are the same branch electrodes about the symmetrical branch electrodes of the first main electrode.
The width of each branch electrodes is L, each is located at the branch electrodes in third electrode zone close to second
Straight line where a side of main electrode is corresponding with the branch electrodes that should be located in third electrode zone positioned at first electrode
Branch electrodes in region are Shift, Shift≤L close to the distance between the straight line where a side of the first main electrode.
Optionally, Shift >=L/2.
Parallel and adjacent to two branch electrodes between spacing distance be S, S=L.
Optionally, 2 μm≤L≤4 μm.
Optionally, the corner dimension between each branch electrodes and the first main electrode is 30 ° to 60 °.
Optionally, the corner dimension between each branch electrodes and the first main electrode is 45 °.
Optionally, it is made of indium tin oxide material.
The present invention also provides a kind of liquid crystal display panels, including above-mentioned pixel electrode structure.
Beneficial effects of the present invention: the present invention provides a kind of pixel electrode structures, including the first main electrode, the second master
Dry electrode and multiple branch electrodes；First main electrode and the second main electrode square crossing mark off matrix pattern distribution
First electrode area, the second electrode region, third electrode zone and the 4th electrode zone, the first electrode area, the second electricity
Multiple branch electrodes of parallel interval arrangement are equipped in polar region domain, third electrode zone and the 4th electrode zone；Positioned at second
Branch electrodes in electrode zone and the branch electrodes being located in first electrode area are symmetrical about the first main electrode, are located at the
Branch electrodes in two electrode zones and the branch electrodes in third electrode zone are symmetrical about the second main electrode, are located at
Branch electrodes in 4th electrode zone and the branch electrodes in third electrode zone are symmetrical about the first main electrode, and
Branch electrodes in third electrode zone, which misplace with the branch electrodes being located in first electrode area, arranges, can be effective
The size in dark line region is controlled, display quality is promoted.The present invention also provides a kind of liquid crystal display panels, can effectively control dark line
The size in region promotes display quality.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the schematic diagram of existing pixel electrode structure；
Fig. 2 is the schematic diagram of pixel electrode structure of the invention.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 2, the present invention provides a kind of pixel electrode structure, of the first main electrode 1, strip including strip
The branch electrodes 3 of two main electrodes 2 and multiple strips；
First main electrode 1 and 2 square crossing of the second main electrode mark off the first region of matrix pattern distribution
Domain 11, the second electrode region 12, third electrode zone 13 and the 4th electrode zone 14.
Specifically, the first electrode area 11 is located at the left side of the second electrode region 12, the third electrode zone 13
Positioned at the downside of the second electrode region 12, the 4th electrode zone 14 is located at the left side of the third electrode zone 13 and is located at first
The downside of electrode zone 11.
In detail, the first electrode area 11, the second electrode region 12, third electrode zone 13 and the 4th electrode zone
Be equipped in 14 parallel interval arrangement multiple branch electrodes 3, one end of each branch electrodes 3 with the first main electrode 1
It is connected with one in the second main electrode 2, the other end is to far from first main electrode 1 and the second main electrode 2
The direction in crosspoint extends.
Further, each branch electrodes 3 tilts certain angle with respect to the first main electrode 1, it is preferable that this is every
The range of angle between one branch electrodes 3 and the first main electrode 1 is 30 ° to 60 °, it is highly preferred that each branch is electric
45 ° of the range of angle between pole 3 and the first main electrode 1.
Further, the branch electrodes 3 in the second electrode region 12 and the branch being located in first electrode area 11
Electrode 3 is symmetrical about the first main electrode 1, the branch electrodes 3 in the second electrode region 12 be located at third electrode zone
Branch electrodes 3 in 13 are symmetrical about the second main electrode 2, the branch electrodes 3 in the 4th electrode zone 14 be located at the
Branch electrodes 3 in three electrode zones 13 are symmetrical about the first main electrode 1, that is to say, that are located at 1 left side of the first main electrode
Branch electrodes 3 and 3 mirror symmetry of branch electrodes that is located at the right side of the first main electrode 1, positioned at 2 upside of the second main electrode
Branch electrodes and 3 mirror symmetry of branch electrodes for being located at 2 downside of the second main electrode.
It is emphasized that in the present invention each be located at the branch electrodes 3 in third electrode zone 13 with one
Branch electrodes 3 in first electrode area 11 are corresponding, and the branch electrodes 3 that should be located in third electrode zone 13 are close to the
Straight line where a side of two main electrodes 2 is corresponding with the branch electrodes 3 that should be located in third electrode zone 13 to be located at the
Branch electrodes 3 in one electrode zone 11 close to the straight line parallel interval where a side of the first main electrode 1, that is,
It says, the branch electrodes 3 in third electrode zone 13 are shifted to install with the branch electrodes 3 being located in first electrode area 11,
Branch electrodes 3 in the second electrode region 12 are shifted to install with the branch electrodes 3 being located in the second electrode region 11, that is, are located at the
Branch electrodes 3 in three electrode zones 13 are with the branch electrodes 3 in first electrode area 11 not about the first trunk electricity
The crosspoint central symmetry of pole 1 and the second main electrode 2, branch electrodes 3 in the second electrode region 12 be located at the 4th
Branch electrodes 3 in electrode zone 14 are not the crosspoint central symmetry about the first main electrode 1 and the second main electrode yet.
It should be noted that in the mutual corresponding branch electrodes 3 in third electrode zone 13 and being located at the first electricity
In branch electrodes 3 in polar region domain 11, it is located at the branch electrodes 3 in third electrode zone 13 about the second main electrode 2 with this
Symmetrical branch electrodes 3 and one to be located at branch electrodes 3 in first electrode area 11 symmetrical about the first main electrode 1 with this
Branch electrodes 3 are the same branch electrodes 3.
Preferably, the pixel electrode structure is made of indium tin oxide material.
Specifically, the width of each branch electrodes 3 is L, each is located at the electricity of the branch in third electrode zone 13
Pole 3 is corresponding with the branch electrodes 3 that should be located in third electrode zone 13 close to the straight line where a side of the second main electrode 2
Be located at first electrode area 11 in branch electrodes 3 between the straight line where a side of the first main electrode 1 away from
From for Shift, Shift≤L.
Further, in order to guarantee that the control effect to dark line size, the present invention also set up Shift >=L/2.
Specifically, parallel and adjacent to two branch electrodes 3 between interval distance be S, S=L.
Preferably, 2 μm≤L≤4 μm.
For example, in some embodiments of the invention, the width L of each branch electrodes 3 is 3 μm, it is parallel and
The distance S at the interval between two adjacent branch electrodes 3 is also 3 μm, each is located at the branch in third electrode zone 13
Electrode 3 close to where a side of the second main electrode 2 straight line with should be located at third electrode zone 13 in branch electrodes 3 it is right
The branch electrodes 3 being located in first electrode area 11 answered are between the straight line where a side of the first main electrode 1
Distance shift is also 3 μm, so that each is located at the branch electrodes 3 in third electrode zone 13 in first electrode area 11
Extended line be respectively positioned on the interval region between two adjacent branch electrodes 3, compared with the prior art, the present invention is by being located at
Branch electrodes in third electrode zone are electric with the dislocation for the branch electrodes being located in first electrode area arrangement and second
The dislocation of the branch electrodes in branch electrodes and the 4th electrode zone in polar region domain is arranged, by suitably destroying branch electrodes
Symmetry, so that the practical electric field of 2 infall of the first main electrode 1 and the second main electrode is easier to liquid crystal molecule deflected state mistake
It crosses, so that dark line convergence namely the present invention can effectively restrain the size in dark line region, especially the first main electrode 1
It with the size in the dark line region of 2 infall of the second main electrode, prevents dark line region from scurrying into open region, guarantees wearing for display panel
Saturating rate and display effect.
Based on above-mentioned pixel electrode structure, the present invention also provides a kind of liquid crystal display panels, including above-mentioned pixel electricity
Pole structure.
In conclusion the present invention provides a kind of pixel electrode structure, including the first main electrode, the second main electrode and
Multiple branch electrodes；First main electrode and the second main electrode square crossing mark off the first electrode of matrix pattern distribution
Region, the second electrode region, third electrode zone and the 4th electrode zone, the first electrode area, the second electrode region,
Multiple branch electrodes of parallel interval arrangement are equipped in three electrode zones and the 4th electrode zone；In the second electrode region
Branch electrodes and be located at first electrode area in branch electrodes it is symmetrical about the first main electrode, be located at the second electrode region
Interior branch electrodes and the branch electrodes being located in third electrode zone are symmetrical about the second main electrode, are located at the 4th electrode district
Branch electrodes in domain and the branch electrodes in third electrode zone are symmetrical about the first main electrode, and each is located at
Branch electrodes in third electrode zone are corresponding with the branch electrodes that one is located in first electrode area, and should be located at third
Branch electrodes in electrode zone close to the straight line where a side of the second main electrode and should be located in third electrode zone
The corresponding branch electrodes in the first electrode area of branch electrodes close to straight where a side of the first main electrode
Line parallel interval can effectively control the size in dark line region, promote display quality.The present invention also provides a kind of LCD display
Plate can effectively control the size in dark line region, promote display quality.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (10)
1. a kind of pixel electrode structure, which is characterized in that the second trunk electricity of the first main electrode (1), strip including strip
The branch electrodes (3) of pole (2) and multiple strips；
First main electrode (1) and the second main electrode (2) square crossing mark off the first region of matrix pattern distribution
Domain (11), the second electrode region (12), third electrode zone (13) and the 4th electrode zone (14), the first electrode area
(11), parallel interval arrangement is equipped in the second electrode region (12), third electrode zone (13) and the 4th electrode zone (14)
Multiple branch electrodes (3), one end of each branch electrodes (3) with the first main electrode (1) and the second main electrode (2)
In one be connected, the other end is to the direction in the crosspoint far from first main electrode (1) and the second main electrode (2)
Extend；
Branch electrodes (3) in the second electrode region (12) and the branch electrodes (3) in first electrode area (11)
Symmetrically about the first main electrode (1), it is located at the branch electrodes (3) in the second electrode region (12) and is located at third electrode zone
(13) branch electrodes (3) in about the second main electrode (2) symmetrically, be located at the 4th electrode zone (14) in branch electrodes
(3) symmetrical about the first main electrode (1) with the branch electrodes (3) in third electrode zone (13)；
Each is located at the branch electrodes (3) in third electrode zone (13) and is located in first electrode area (11) with one
Branch electrodes (3) are corresponding, and the branch electrodes (3) that should be located in third electrode zone (13) are close to the second main electrode (2)
Straight line where a side is corresponding with branch electrodes (3) that should be located in third electrode zone (13) positioned at first electrode area
(11) branch electrodes (3) in are close to the straight line parallel interval where a side of the first main electrode (1).
2. pixel electrode structure as described in claim 1, which is characterized in that be located at third electrode zone mutual corresponding one
(13) branch electrodes (3) and one in are located in the branch electrodes (3) in first electrode area (11), are located at third electrode with this
Branch electrodes (3) in region (13) are located at first electrode about the symmetrical branch electrodes (3) of the second main electrode (2) and with this
About the first main electrode (1), symmetrically branch electrodes (3) are the same branch electrodes to branch electrodes (3) in region (11).
3. pixel electrode structure as described in claim 1, which is characterized in that the width of each branch electrodes (3) is L,
Each is located at the branch electrodes (3) in third electrode zone (13) close to straight where a side of the second main electrode (2)
Line branch's electricity in first electrode area (11) corresponding with branch electrodes (3) that should be located in third electrode zone (13)
Pole (3) is Shift, Shift≤L close to the distance between the straight line where a side of the first main electrode (1).
4. pixel electrode structure as claimed in claim 3, which is characterized in that Shift >=L/2.
5. pixel electrode structure as claimed in claim 3, which is characterized in that parallel and adjacent to two branch electrodes (3) it
Between spacing distance be S, S=L.
6. pixel electrode structure as claimed in claim 3, which is characterized in that 2 μm≤L≤4 μm.
7. pixel electrode structure as described in claim 1, which is characterized in that each branch electrodes (3) and the first trunk electricity
Corner dimension between pole (1) is 30 ° to 60 °.
8. pixel electrode structure as described in claim 1, which is characterized in that each branch electrodes (3) and the first trunk electricity
Corner dimension between pole (1) is 45 °.
9. pixel electrode structure as described in claim 1, which is characterized in that made of indium tin oxide material.
10. a kind of liquid crystal display panel, which is characterized in that including pixel electrode knot as described in any one of claim 1 to 9
Structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340684.2A CN110068969A (en) | 2019-04-25 | 2019-04-25 | Pixel electrode structure and liquid crystal display panel |
| PCT/CN2019/102481 WO2020215556A1 (en) | 2019-04-25 | 2019-08-26 | Pixel electrode structure and liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340684.2A CN110068969A (en) | 2019-04-25 | 2019-04-25 | Pixel electrode structure and liquid crystal display panel |
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| CN110068969A true CN110068969A (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910340684.2A Pending CN110068969A (en) | 2019-04-25 | 2019-04-25 | Pixel electrode structure and liquid crystal display panel |
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| Country | Link |
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| CN (1) | CN110068969A (en) |
| WO (1) | WO2020215556A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020215556A1 (en) * | 2019-04-25 | 2020-10-29 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode structure and liquid crystal display panel |
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| US20160342055A1 (en) * | 2014-12-08 | 2016-11-24 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel |
| US20180210292A1 (en) * | 2016-04-21 | 2018-07-26 | Boe Technology Group Co., Ltd. | Array substrate, manufacturing method thereof and display device |
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| TWI338183B (en) * | 2006-07-06 | 2011-03-01 | Au Optronics Corp | Thin film transistor substrate and liquid crystal display device using the same |
| CN107037645A (en) * | 2017-06-19 | 2017-08-11 | 深圳市华星光电技术有限公司 | Main pixel electrode, pixel cell and liquid crystal display panel |
| CN107329334B (en) * | 2017-08-03 | 2019-03-12 | 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 |
| CN110068969A (en) * | 2019-04-25 | 2019-07-30 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode structure and liquid crystal display panel |
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- 2019-04-25 CN CN201910340684.2A patent/CN110068969A/en active Pending
- 2019-08-26 WO PCT/CN2019/102481 patent/WO2020215556A1/en active Application Filing
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| CN105319783A (en) * | 2014-07-08 | 2016-02-10 | 群创光电股份有限公司 | Display panel and display device |
| CN104297992A (en) * | 2014-10-30 | 2015-01-21 | 深圳市华星光电技术有限公司 | Curved surface display panel and curved surface display device |
| US20160342055A1 (en) * | 2014-12-08 | 2016-11-24 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel |
| CN105988246A (en) * | 2015-03-03 | 2016-10-05 | 群创光电股份有限公司 | Display panel |
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| WO2020215556A1 (en) * | 2019-04-25 | 2020-10-29 | 深圳市华星光电半导体显示技术有限公司 | Pixel electrode structure and liquid crystal display panel |
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| WO2020215556A1 (en) | 2020-10-29 |
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Application publication date: 20190730 |