CN105739142B - Display panel - Google Patents
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- CN105739142B CN105739142B CN201410753467.3A CN201410753467A CN105739142B CN 105739142 B CN105739142 B CN 105739142B CN 201410753467 A CN201410753467 A CN 201410753467A CN 105739142 B CN105739142 B CN 105739142B
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Abstract
One display panel a, comprising: first substrate has a plurality of sub-pixels；One first photo-alignment layer is located on first substrate, and corresponds to the alignment direction that those sub-pixels have at least two different directions or more；And plural metal gasket, it is corresponding with sub-pixel respectively.Wherein, when a light passes through those sub-pixels, display panel can show a dark line pattern, comprising: one first main dark line, the intersection of different directions orientation in the first photo-alignment layer；And one metal gasket pattern and metal gasket it is corresponding with the first main dark line；Wherein, first main dark line a side and the ipsilateral side distance difference of metal gasket pattern are one first offset, and first main another side of dark line and the ipsilateral side distance difference of metal gasket pattern are one second offset, and the first offset is different from the second offset.
Description
Technical field
The present invention provides a kind of display panels, with special dark line pattern, and are minimized panel dark-state and penetrate
Rate and promotion contrast.
Background technique
As display technology is constantly progressive, all devices towards small in size, thickness is thin, the trend developments such as light-weight,
Therefore the display equipment of mainstream develops into liquid crystal display by previous cathode-ray tube on the market at present.In particular, liquid
The applicable field of crystal display device is quite a lot of, such as mobile phone used in daily life, laptop, video camera, photograph
Machine, music player, action navigation device, TV etc. show equipment, most of to use liquid crystal display panel.
With common liquid crystal display at present, mainly a liquid crystal layer is pressed from both sides as between two electrodes, and utilize voltage
Control liquid crystal interlayer liquid crystal molecule is toppled over, so that the light that the backlight module being arranged below liquid crystal display panel is issued can penetrate or not
Liquid crystal layer is penetrated, and achievees the purpose that display.In addition, and penetrate pixel definition, and achieve the purpose that present different colours.
In the development process of liquid crystal display panel, with the arriving of high-resolution display panel generation, panel is penetrated
One of an important factor for rate is the display quality of relationship display panel.Therefore, various manufacturers actively improve display panel invariably
Penetrance, and it can be promoted and show quality.
In view of this, needing to develop a kind of display panel at present, there is the penetrance promoted, to meet at present for height
Show the requirement of quality.
Summary of the invention
The object of the present invention is to provide a kind of display panel, the mesh for promoting contrast can reach by reduction dark-state penetrance
's.
To achieve the above object, a display panel provided by the invention includes: a first substrate, has a plurality of pixel lists
Member, wherein those pixel units are respectively provided with a plurality of sub-pixels；One the second substrate is oppositely arranged with the first substrate；One
One photo-alignment layer is located on those pixel units, and corresponds to the scorpion pixel with more than at least two different directions matching
To direction；One liquid crystal layer is set between the first substrate and the second substrate；And plural metal gasket, be set to this first
On substrate and it is respectively provided with a protrusion, and those metal gaskets are corresponding with those sub-pixels respectively.Wherein, when a light is by being somebody's turn to do
When a little pixel, which can show a dark line pattern, which includes: one first main dark line, be located at this first
In photo-alignment layer the intersection of different directions orientation and towards a first direction extend, and the opposite sides side of the first main dark line in
The hatching line of one second direction have one first main dark line boundary point and one second main dark line boundary point, wherein the second direction and this
First direction is vertical；And a metal gasket pattern, corresponding with the first main dark line, which has one first protrusion figure
Case towards the first direction extend, this first protrusion pattern it is corresponding with the protrusion, this first protrude pattern opposite sides side in
Another hatching line of the second direction has one first metal gasket pattern dark line boundary point and one second metal gasket pattern dark line boundary
Point, and the first metal gasket pattern dark line boundary point relative proximity first main dark line boundary point, and the second metal gasket pattern
The dark line boundary point relative proximity second main dark line boundary point.Wherein, with the first main dark line boundary point and first metal gasket
It along the distance difference of the extension line of the first direction is one first offset on the basis of pattern dark line boundary point, it is second main dark with this
Distance difference on the basis of line boundary point and the second metal gasket pattern dark line boundary point along the extension line of the first direction is one
Second offset, first offset are different from second offset.
In display panel of the invention, those pixel units include one be the first sub-pixel of red pixel, one be blue
Second sub-pixel of color pixel and one be green pixel third sub-pixel, and the first offset or second of the red pixel
Offset is bigger than the first offset of the blue pixel or the second offset.
In display panel of the invention, those pixel units include one be the first sub-pixel of red pixel, one be blue
Second sub-pixel of color pixel and one be green pixel third sub-pixel, and the first offset or second of the red pixel
Offset is bigger than the first offset of the green pixel or the second offset.
In display panel of the invention, those pixel units further include one be yellow pixel the 4th sub-pixel, and should
The first offset or the second offset of red pixel are bigger than the first offset of the yellow pixel or the second offset.
In display panel of the invention, the metal gasket pattern of those corresponding sub-pixels be respectively a cruciform pattern,
One T shape pattern (an uppercase T shape) or a L shape pattern (an uppercase L shape).
In display panel of the invention, the metal gasket pattern of a corresponding at least sub-pixel also has one second protrusion figure
Case extends towards the second direction.
In display panel of the invention, the metal gasket pattern of those corresponding sub-pixels is also respectively provided with one second protrusion
Pattern extends towards the second direction.
In display panel of the invention, in those sub-pixels, which accounts for sub-pixel 5-15% respectively
Area.
Display panel of the invention can further include one second photo-alignment layer, be located at those pixel units on, wherein this first
Photo-alignment layer has an alignment direction identical with the first direction and an alignment direction opposite with the first direction, and is somebody's turn to do
Second photo-alignment layer has an alignment direction identical with the second direction and an alignment direction opposite with the second direction.
In addition, display panel provided by the invention, further includes: a first substrate has a plurality of pixel units, wherein should
A little pixel units are respectively provided with a plurality of sub-pixels；One the second substrate is oppositely arranged with the first substrate；One first smooth orientation
Layer is located on those pixel units, and corresponds to the alignment direction that those sub-pixels have at least two different directions or more；One
Liquid crystal layer is set between the first substrate and the second substrate；And plural metal gasket, it is set on the first substrate and divides
Not Ju You a protrusion, and those metal gaskets are corresponding with a little pixels of the son respectively.Wherein, when a light passes through those sub-pixels
When, which can show a dark line pattern, which includes: one first main dark line, be located at first photo-alignment layer
The intersection of middle different directions orientation simultaneously extends towards a first direction, and the first main dark line has and extends along the first direction
An opposite first side and a second side；And one metal gasket pattern and the metal gasket it is corresponding with the first main dark line, should
There is metal gasket pattern one first protrusion pattern to extend towards the first direction, which corresponds to the protrusion, and should
First protrusion pattern has along the opposite third side and a four side that the first direction extends, wherein the third side
The relative proximity first side, and the four side relative proximity second side, and the first side and the third side
In in a second direction first distance and the second side and the four side in the second distance in the second direction not
Together, and the second direction is vertical with the first direction.
In display panel of the invention, those pixel units include one be the first sub-pixel of red pixel, one be blue
Second sub-pixel of color pixel and one be green pixel third sub-pixel, and the first distance of the red pixel or second away from
From than the blue pixel first distance or second distance it is big.
In display panel of the invention, those pixel units include one be the first sub-pixel of red pixel, one be blue
Second sub-pixel of color pixel and one be green pixel third sub-pixel, and the first distance of the red pixel or second away from
From than the green pixel first distance or second distance it is big.
In display panel of the invention, those pixel units further include one be yellow pixel the 4th sub-pixel, and should
The first distance or second distance of red pixel are bigger than the first distance of the yellow pixel or second distance.
In display panel of the invention, the metal gasket pattern of those corresponding sub-pixels be respectively a cruciform pattern,
One T shape pattern or a L shape pattern.
In display panel of the invention, the metal gasket pattern of a corresponding at least sub-pixel also has one second protrusion figure
Case extends towards the second direction.
In display panel of the invention, the metal gasket pattern of those corresponding sub-pixels is also respectively provided with one second protrusion
Pattern extends towards the second direction.
In display panel of the invention, in those sub-pixels, which accounts for sub-pixel 5-15% respectively
Area.
Display panel of the invention can further include one second photo-alignment layer, be located at those pixel units on, wherein this first
Photo-alignment layer has an alignment direction identical with the first direction and an alignment direction opposite with the first direction, and is somebody's turn to do
Second photo-alignment layer has an alignment direction identical with the second direction and an alignment direction opposite with the second direction.
As described above, display panel of the invention due on first substrate setting there is the metal gasket of protrusion, and can be in
Light is corresponding when passing through sub-pixel to generate the metal gasket pattern with the first protrusion pattern, thus when light is without sub-pixel
And dark-state is presented, the brightness of display panel can be reduced more, so as to improve dark-state contrast, and be able to promote display panel entirety
Contrast.Meanwhile by adjustment first/second offset or first/second distance, the coloration of also changeable sub-pixel, and make
Display panel can be adjusted towards cool colour or warm colour.
Detailed description of the invention
Figure 1A is the display equipment schematic diagram of a preferred embodiment of the present invention.
Figure 1B is the display panel schematic diagram of a preferred embodiment of the present invention.
Fig. 2A and 2B is respectively the thin film transistor base plate schematic diagram of two preferred embodiments of the invention.
Fig. 3 A and 3B are respectively along the thin film transistor base plate diagrammatic cross-section of the hatching A-A ' and B-B ' of Fig. 2A and 2B.
Fig. 4 A and 4B are a preferred embodiment of the present invention the first photo-alignment layer and the second photo-alignment layer orientation signal respectively
Figure.
Fig. 5 is the dark line pattern schematic diagram of a preferred embodiment of the present invention.
Fig. 6 is the dark line pattern enlarged drawing of a preferred embodiment of the present invention.
Fig. 7 A to 7D is that first master is dark in the display panel red, green, blue, yellow sub-pixel of the embodiment of the present invention 1
The brightness of line and metal gasket pattern measures result figure.
Fig. 8 A to 8D is that first master is dark in the display panel red, green, blue, yellow sub-pixel of the embodiment of the present invention 2
The penetrance measurement figure of line and metal gasket pattern.
Fig. 9 A to 9D is that first master is dark in the display panel red, green, blue, yellow sub-pixel of the embodiment of the present invention 3
The brightness of line and metal gasket pattern measures result figure.
Figure 10 is the thin film transistor base plate schematic diagram of comparative example of the present invention.
Figure 11 is the display panel reduced value measurement figure of the embodiment of the present invention 1 Yu comparative example.
The dark line pattern enlarged drawing of Figure 12 A and 12B other preferred embodiments of the invention.
Symbol description in attached drawing
1 first substrate, 10 display panels, 111 scan lines, 112 data lines, 113 film crystal pipe units, 1131 grids,
1132 insulating layers, 1133 semiconductor layers, 1134 source electrodes, 1135 drain electrodes, 1136 protective layers, 1137 contact holes, 114 storage electrodes,
114a metal gasket, 1141 protrusions, 115 pixel electrodes, 12 first photo-alignment layer, 2 the second substrates, 20 backlight modules, 21 second
Photo-alignment layer, 3 liquid crystal layers, 5 frame glues, 51 first main dark lines, the first side 51a, the second side 51b, 511 first main dark line boundaries
Point, 512 second main dark line boundary points, 52 metal gasket patterns, 52a third side, 52b four side, 521 first protrusion patterns,
522 second protrusion patterns, 523 first metal gasket pattern dark line boundary points, 524 second metal gasket pattern dark line boundary points, 53 the
Two main dark lines, D1 first distance, D2 second distance, X second direction, Y first direction, P1, P2, P3, P4 sub-pixel.
Specific embodiment
It is to illustrate embodiments of the present invention by particular specific embodiment below, those skilled in the art can be by this explanation
Other advantages and efficacy of the present invention can be easily understood for the revealed content of book.The present invention also can be by other different specific implementations
Example is implemented or is applied, and the various details in this specification also can be of the invention not departing from for different viewpoints and application
Spirit is lower to carry out various modifications and change.
Figure 1A is the diagrammatic cross-section of the display equipment of a preferred embodiment of the present invention.Wherein, the display of the present embodiment is set
Standby includes: a display panel 10；And a backlight module 20, it is set to 10 lower section of display panel, to penetrate this aobvious to provide a light
Show panel 10.
As shown in Figure 1B, the display panel of the present embodiment includes: a first substrate 1, and top is provided with one first light
Both alignment layers 12；One the second substrate 2, is oppositely arranged with first substrate 1 and its top is provided with one second photo-alignment layer 21, and second
Photo-alignment layer 21 is oppositely arranged with the first photo-alignment layer 12；One frame glue 5, between first substrate 1 and the second substrate 2 and be located at set
In 2 outside of first substrate 1 and the second substrate；And a liquid crystal layer 3, sky is formed by set on first substrate 1 and the second substrate 2
Between in.In this embodiment, film crystal pipe unit (not shown) system is set on first substrate 1 and chromatic filter layer (is schemed not
Showing) system is set in the second substrate 2, therefore first substrate 1 is a thin film transistor base plate, and the second substrate 2 is a colorized optical filtering
Plate base；But in other embodiments, chromatic filter layer (not shown) also be may be disposed on first substrate 1, therefore first substrate 1 is
The thin film transistor base plate (color filter on array, COA) of integral color filter array.Next, this will be described
Structure on the first substrate 1 of embodiment.
Then, Fig. 2A and 3A is please referred to, the thin film transistor base plate of display panel is a preferred embodiment of the present invention
Schematic diagram and diagrammatic cross-section, wherein thin film transistor base plate includes: a first substrate 1, and top is provided with scan line 111, number
According to line 112, film crystal pipe unit 113, pixel electrode 115 and storage electrode 114.Here, each pixel electrode 115 is set to two
Become a sub-pixel between adjacent scan line 111 and two adjacent data lines 112；In Fig. 2A, display panel is indicated
A wherein pixel unit, including four sub-pixels；However, a pixel unit is not limited only to only include four in other embodiments
A sub-pixel, and can be includes situation such as three sub-pixels.In this present embodiment, sub-pixel includes a film crystal pipe unit
113, a pixel electrode 115 and a storage electrode 114, and pixel electrode 115 passes through contact hole 1137 and film crystal pipe unit
113 are electrically connected.In addition, storage electrode 114 is set on first substrate 1 and has cross knot including one in sub-pixel
The metal gasket 114a of structure, metal gasket 114a have a protrusion 1141.
As shown in Fig. 2A and 3A, in the preparation process of the present embodiment thin film transistor base plate, firstly, in first substrate 1
On be initially formed a grid 1131 and scan line 111.Then, in one insulation of formation in substrate 11, grid 1131 and scan line 111
1132 (can also claim to be gate insulating layer) of layer, form semi-conductor layer 1133 above grid 1131.Then, in semiconductor
A source electrode 1134 and a drain electrode 1135 are formed on layer 1133, and are then completed in forming a data line 112 on insulating layer 1132 simultaneously
The preparation of the data line 112 of the present embodiment, scan line 111 and a film crystal pipe unit 113.Finally, being formed has contact hole
1137 protective layer 1136 forms pixel electrode 115 in protective layer 1136 and contact hole 1137, then completes the present embodiment
The preparation of thin film transistor base plate.
Here, the art can be used in grid 1131, scan line 111, source electrode 1134, drain electrode 1135 and data line 112
Common conductive material, such as metal, alloy, metal oxide, metal oxynitride or other electrode materials commonly used in the art
Material；And preferably metal material, but the present invention is not limited only to this.Grid line, scan line and electrode of the invention etc., are not limited to
For homogenous material layer, the lamination layer structure of multiple material storehouse also can be used.In addition, first substrate 1 and the second substrate 2 can this
The common substrate material production in field, such as glass, plastics, flexible materials etc.；Insulating layer 1132 and protective layer 1136 can be with
Insulating layer material production commonly used in the art；Semiconductor layer 1133 can be commonly used in the art semi-conducting material manufacturing；And pixel
Electrode 115 then can be commonly used in the art transparent conductive electrode material (such as: ITO, IZO or ITZO) production.
It is the thin film transistor base plate of the display panel of another preferred embodiment of the present invention in addition, please referring to Fig. 2 B and 3B
Schematic diagram, wherein substrate structure for thin-film transistor is identical as Fig. 2A and 3A, in addition to the film crystal pipe unit 113 of the present embodiment
Drain electrode 1135 be towards storage electrode 114 extend so that contact hole 1137 correspond to storage electrode 114 on；In addition, in this implementation
In example, drain electrode 1135 further includes a metal gasket 114a with cross-shaped configuration, and metal gasket 114a has a protrusion 1141.
One first photo-alignment layer 12 is additionally provided with as shown in Figure 1B, 3A and 3B, on thin film transistor base plate；And such as Figure 1B institute
Show, one second photo-alignment layer 21 is then additionally provided in the second substrate 2；Wherein in a sub-pixel, the first photo-alignment layer 12 and second
The schematic diagram difference of the alignment direction of photo-alignment layer 21 is as shown in fig. 4 a and 4b.As shown in Figure 4 A, the first photo-alignment layer 12 has
One alignment direction identical with first direction Y and an alignment direction opposite with first direction Y；And as shown in Figure 4 B, second
Photo-alignment layer 21 has an alignment direction identical with second direction X and an alignment direction opposite with second direction Y.
Therefore, as shown in Figures 1 and 5, the voltage of pixel electrode (not shown) is granted by control and makes panel presentation bright
Dark-state, under illuminated state, when passing through sub-pixel P1, P2, P3 by the light that issues of backlight module 20 such as Fig. 1, when P4, because of first
The alignment direction reciprocation of photo-alignment layer 12 and the second photo-alignment layer 21, and will affect and be located at liquid crystal direction of rotation between the two,
So that display panel can show the dark line pattern such as 5 Shi Swastika fonts of figure.As shown in Fig. 4 A and Fig. 5, which includes: one
First main dark line 51, in the first photo-alignment layer 12 intersection of different directions orientation and towards a first direction Y extend；And
The metal gasket 114a of one metal gasket pattern 52 and Fig. 2A and 2B are corresponding with the first main dark line 51, and metal gasket pattern 52 has one the
One protrusion pattern 521 extends towards first direction Y, and the first protrusion pattern 521 is corresponding with the protrusion 1141 of metal gasket 114a.This
Outside, metal gasket pattern 52 can also have one second protrusion pattern 522, extend towards second direction X.Here, in those sub-pixels P1,
In P2, P3, P4, metal gasket pattern 52 accounts for sub-pixel 5-15% area respectively.
Fig. 6 is the enlarged drawing of the single sub-pixel of the present embodiment, is extended wherein the first main dark line 51 has along first direction Y
An opposite first side 51a and a second side 51b；The wherein opposite first side 51a and second of the first main dark line 51
Side 51b has one first main dark line boundary point 511 and one second main dark line boundary point 512 in the hatching line of second direction X, wherein
Second direction X and first direction Y are vertical.In addition, and the first of metal gasket pattern 52 the protrusion pattern 521 has along first direction Y
The opposite third side 52a and a four side 52b extended, wherein third side 52a relative proximity first side 51a,
And four side 52b relative proximity second side 51b；The wherein opposite third side 52a of the first protrusion pattern 521 and the 4th side
Side 52b has one first metal gasket pattern dark line boundary point 523 and one second metal gasket pattern in another hatching line of second direction X
Dark line boundary point 524, and 524 the first main dark line boundary point 511 of relative proximity of the second metal gasket pattern dark line boundary point, and second
524 the second main dark line boundary point 512 of relative proximity of metal gasket pattern dark line boundary point.
Wherein, the extension line of first side 51a and third side 52a in the first distance D1 on second direction X be with
Second side 51b is different in the second distance D2 on second direction X from four side 52b's.In other words, with the first main dark line side
It along the distance difference of the extension line of first direction Y is one the on the basis of boundary's point 511 and the first metal gasket pattern dark line boundary point 523
One offset (that is, shown in first distance D1), with the second main dark line boundary point 512 and the second metal gasket pattern dark line boundary point
It along the distance difference of the extension line of first direction Y is one second offset (that is, shown in second distance D2) on the basis of 524, and the
One offset is different from the second offset.In other words, if by the opposite first side 51a of the first main dark line 51 and second side
51b is in opposite third the side 52a and four side 52b of the hatching line of second direction X and the first protrusion pattern 521 in second direction
Another hatching line of X coincides, then between the first main dark line boundary point 511 and the first metal gasket pattern dark line boundary point 523 after coinciding
Distance be then the first offset, and between the second main dark line boundary point 512 and the second metal gasket pattern dark line boundary point 524 in repeatedly
Distance after conjunction is then the second offset, and the first offset is different from the second offset.
It, then can be with the first main dark line 51 and metal gasket pattern 52 to more the first offset of explication and the second offset
Halfwidth define.So-called " halfwidth " is to subtract the one of valley value with first peak value near dark line center trough
The corresponding obtained width in half place, and dark line waveform can then generate opposite two boundary points under this width；With this, to define
The first main dark line boundary point 511, the second main dark line boundary point 512, the first metal gasket pattern dark line boundary point 523 and second of meaning
Metal gasket pattern dark line boundary point 524.Wherein, the measurement of dark line waveform enables display panel be displayed in white picture, and in most light
Under degree, image frame instantly is intercepted using CCD, and then reading analyzes the gray scale variation numeralization of the image frame center dark line simultaneously
Waveform diagram is made, and if grayscale numerical value have noise can be with the methods of Fourier transform or rolling average by noise filtering.
Fig. 7 A to 7D is first in the display panel red, green, blue, yellow sub-pixel of the embodiment of the present invention 1 respectively
The brightness of main dark line and metal gasket pattern measures result figure, and wherein substrate structure for thin-film transistor is as shown in Figure 2 B, is with aforementioned
Dark line wave survey method measures.Wherein, the relative position of X-axis meaning refers to the first protrusion pattern of metal gasket pattern 52
521 and first position of the main dark line 51 in Fig. 6 on second direction X；More specifically, by taking Fig. 7 A as an example, metal gasket figure in Fig. 6
Relative position 1 of the hatching line Far Left beginning of first protrusion pattern 521 of case 52 corresponding to X-axis in Fig. 7 A, and the first master in Fig. 6
The hatching line Far Left beginning of dark line 51 also corresponds to the relative position 1 of X-axis in Fig. 7 A, and the first protrusion pattern 521 cuts open in Fig. 6
Line Far Left beginning and both hatching line Far Left beginnings of the first main dark line 51 are online parallel with first direction Y.
In Fig. 7 A, R1 is the first protrusion pattern 521 of metal gasket pattern 52 in Fig. 6 of red first sub-pixel in second
The waveform of the hatching line of direction X, and R2 is the first main dark line 51 in the waveform of another hatching line of second direction X；In Fig. 7 B, G1 is
The waveform of first hatching line of the protrusion pattern 521 in second direction X in green third sub-pixel, and G2 is the first main dark line 51 in the
The waveform of another hatching line of two direction X；In Fig. 7 C, B1 is the first protrusion pattern 521 in blue second sub-pixel in second party
To the waveform of the hatching line of X, and B2 is the first main dark line 51 in the waveform of another hatching line of second direction X；And in Fig. 7 D, Y1 is Huang
The first protrusion pattern 521 is in the waveform of the hatching line of second direction X in the 4th sub-pixel of color, and Y2 is the first main dark line 51 in second
The waveform of another hatching line of direction X.As shown in Fig. 7 A to 7D, either red, green, blue or yellow sub-pixel, first partially
Shifting amount is different from the second offset.In addition, as shown in Fig. 7 A and 7C, the first offset of red pixel or the second offset BELAND
The first offset or the second offset of color pixel are big, in other words, the first distance or second distance BELAND colour of red pixel
The first distance or second distance of element are big；As shown in Fig. 7 A and 7B, the first offset or the second offset of red pixel are than green
The first offset or the second offset of color pixel are big, and in other words, the first distance or second distance of red pixel are than green picture
The first distance or second distance of element are big；And as shown in Fig. 7 A and 7D, the first offset or the second offset ratio of red pixel
The first offset or the second offset of yellow pixel are big, and in other words, the first distance or second distance of red pixel compare yellow
The first distance or second distance of pixel are big.
Fig. 8 A to 8D is first in the display panel red, green, blue, yellow sub-pixel of the embodiment of the present invention 2 respectively
The brightness of main dark line and metal gasket pattern measures result figure, and wherein substrate structure for thin-film transistor is as shown in Figure 2 B, is with aforementioned
Dark line wave survey method measures.Likewise, the first offset of each color sub-pixels in 2 display panel of embodiment
(first distance) and the second offset (second distance) relationship are identical as described in embodiment 1.
Fig. 9 A to 9D is first in the display panel red, green, blue, yellow sub-pixel of the embodiment of the present invention 3 respectively
The brightness of main dark line and metal gasket pattern measures result figure, and wherein substrate structure for thin-film transistor is as shown in Figure 2 B, is with aforementioned
Dark line wave survey method measures.Likewise, the first offset of each color sub-pixels in 3 display panel of embodiment
(first distance) and the second offset (second distance) relationship are identical as described in embodiment 1.
Aforementioned is opposite offset between the first main dark line and the first protrusion pattern of metal gasket pattern in comparing embodiment 1 to 3
Amount；Likewise, as shown in Fig. 4 B, 5 and 6, dark line pattern further include: one second main dark line 53 is located in the second photo-alignment layer 21
The intersection of different directions orientation simultaneously extends towards second direction X；And as illustrated in figures 5 and 6, metal gasket pattern 52 is a cross figure
Case, and there is the second protrusion pattern 522, extend towards second direction X.Here, between the second main dark line 53 and the second protrusion pattern 522
Deviating magnitude relation, offset magnitude relation is identical preferably between aforementioned first main dark line 51 and the first protrusion pattern 521；Therefore herein no longer
It repeats.
Figure 10 is the thin film transistor base plate schematic diagram of comparative example of the present invention, and structure is thin with embodiment shown in Fig. 2A
Film transistor board structure is identical, in addition to the thin film transistor base plate of comparative example does not include metal gasket.
When the display panel that will use the thin film transistor base plate of embodiment shown in Fig. 2A and comparative example shown in Fig. 10
It compares, the result figure as shown in the following table 1 and Figure 11 can be obtained, be different metal in embodiment and comparative example display panel
The relational graph of size and reduced value is padded, wherein reduced value is defined with following equation:
CR (reduced value)=W (illuminated state brightness)/D (dark-state brightness)
Table 1
Such as Figure 11 and table 1 the results show that when display panel setting has the metal gasket of protrusion, and can be in light by son
It is corresponding when pixel to generate the metal gasket pattern with protrusion pattern, dark-state is presented when light is without sub-pixel with this, is shown
Show that the brightness of panel can be reduced more, reduce dark-state penetrance, so as to improve dark-state contrast, and it is whole to be able to promotion display panel
The contrast of body, and then promote the display quality of display panel.Meanwhile by adjustment first/second offset or first/second away from
From the coloration of also changeable sub-pixel adjust display panel can towards cool colour or warm colour.
In addition to this, the metal gasket shape on first substrate can be more adjusted, and can produce different metal gasket patterns.
Such as: metal gasket pattern is at T-shaped in the dark line pattern of other preferred embodiments of the invention as illustrated in fig. 12；And such as Figure 12 B institute
Show that metal gasket pattern is at L-shaped in the dark line pattern of other preferred embodiments of the invention.However, that the present invention is not limited to this is a little
Pattern, as long as aforementioned reduction dark-state penetrance and the pass with aforementioned first/second offset or first/second distance can be reached
System.
Furthermore display equipment obtained by present invention can be applied to known in the art any required aobvious
On the electronic device of display screen curtain, such as display, mobile phone, laptop, video camera, camera, music player, action navigation
Device, TV etc..
Claims (18)
1. a kind of display panel, comprising:
One first substrate has a plurality of pixel units, and wherein those pixel units are respectively provided with a plurality of sub-pixels, those pictures
Plain unit include one be the first sub-pixel of red pixel, one be the second sub-pixel of blue pixel and one be green pixel
Third sub-pixel；
One the second substrate is oppositely arranged with the first substrate；
One first photo-alignment layer is located on those pixel units, and corresponds to those sub-pixels at least two different directions
Alignment direction；
One liquid crystal layer is set between the first substrate and the second substrate；And
Plural metal gasket is set on the first substrate and is respectively provided with a protrusion, and those metal gaskets are a little with this respectively
Pixel is corresponding；
Wherein, when a light passes through those sub-pixels, which can show a dark line pattern, which includes:
One first main dark line, in first photo-alignment layer intersection of different directions orientation and towards a first direction extend,
And a hatching line of the opposite sides Bian Yuyi second direction of the first main dark line has one first main dark line boundary point and one second
Main dark line boundary point, wherein the second direction is vertical with the first direction；And
One metal gasket pattern, corresponding with the first main dark line, which has one first protrusion pattern towards the first party
To extension, the first protrusion pattern is corresponding with the protrusion, and the opposite sides side of the first protrusion pattern is in the second direction
Another hatching line has one first metal gasket pattern dark line boundary point and one second metal gasket pattern dark line boundary point, and first gold medal
Belong to pad pattern dark line boundary point relative proximity first main dark line boundary point, and the second metal gasket pattern dark line boundary point is opposite
The neighbouring second main dark line boundary point；
Wherein, along the first direction on the basis of the first main dark line boundary point and the first metal gasket pattern dark line boundary point
The distance difference of extension line is one first offset, with the second main dark line boundary point and the second metal gasket pattern dark line boundary
Point on the basis of along the first direction extension line distance difference be one second offset, the first offset of the red pixel or
Second offset is bigger than the first offset of the green pixel or the second offset.
2. display panel as described in claim 1, wherein the first offset or the second offset of the red pixel are than the indigo plant
The first offset or the second offset of color pixel are big.
3. display panel as claimed in claim 2, wherein those pixel units include one be yellow pixel the 4th sub- picture
Element, and the first offset of the red pixel or the second offset are than the first offset or the second offset of the yellow pixel
Greatly.
4. display panel as described in claim 1, wherein those pixel units include one be yellow pixel the 4th sub- picture
Element, and the first offset of the red pixel or the second offset are than the first offset or the second offset of the yellow pixel
Greatly.
5. display panel as described in claim 1, wherein the metal gasket pattern of those corresponding sub-pixels is respectively a cross
Shape pattern, a T shape pattern or a L shape pattern.
6. display panel as described in claim 1, wherein the metal gasket pattern of a corresponding at least sub-pixel has one second
Pattern is protruded, is extended towards the second direction.
7. display panel as claimed in claim 6, wherein the metal gasket pattern of those corresponding sub-pixels is respectively provided with one the
Two protrusion patterns, extend towards the second direction.
8. display panel as described in claim 1, wherein in those sub-pixels, which accounts for the sub- picture respectively
Plain 5-15% area.
9. display panel as described in claim 1, wherein including one second photo-alignment layer, it is located on those pixel units,
In first photo-alignment layer have an alignment direction identical with the first direction and an orientation opposite with the first direction
Direction, and second photo-alignment layer is opposite with the second direction with an alignment direction identical with the second direction and one
Alignment direction.
10. a kind of display panel, comprising:
One first substrate has a plurality of pixel units, and wherein those pixel units are respectively provided with a plurality of sub-pixels, those pictures
Plain unit include one be the first sub-pixel of red pixel, one be the second sub-pixel of blue pixel and one be green pixel
Third sub-pixel；
One film crystal pipe unit, is set on the first substrate；
One the second substrate is oppositely arranged with the first substrate；
One first photo-alignment layer is located on those pixel units, and corresponds to those sub-pixels at least two different directions
Alignment direction；
One liquid crystal layer is set between the first substrate and the second substrate；And
Plural metal gasket is set on the first substrate and is respectively provided with a protrusion, and those metal gaskets are a little with this respectively
Pixel is corresponding；
Wherein, when a light passes through those sub-pixels, which can show a dark line pattern, which includes:
One first main dark line, in first photo-alignment layer intersection of different directions orientation and towards a first direction extend,
And the first main dark line has along the opposite first side and a second side that the first direction extends；And
One metal gasket pattern, and corresponding with the first main dark line, the metal gasket pattern have one first protrusion pattern towards this first
Direction extends, which corresponds to the protrusion, and the first protrusion pattern has the phase extended along the first direction
Pair a third side and a four side, wherein the third side relative proximity first side, and the four side is opposite
The neighbouring second side, and the first side and the third side in a second direction first distance and the second side
It is different in the second distance in the second direction from the four side, and the second direction is vertical with the first direction, this is red
The first distance or second distance of color pixel are bigger than the first distance of the green pixel or second distance.
11. display panel as claimed in claim 10, wherein the first distance or second distance of the red pixel are than the blue
The first distance or second distance of pixel are big.
12. display panel as claimed in claim 11, wherein those pixel units include one be yellow pixel the 4th sub- picture
Element, and the first distance of the red pixel or second distance are bigger than the first distance of the yellow pixel or second distance.
13. display panel as claimed in claim 10, wherein those pixel units include one be yellow pixel the 4th sub- picture
Element, and the first distance of the red pixel or second distance are bigger than the first distance of the yellow pixel or second distance.
14. display panel as claimed in claim 10, wherein the metal gasket pattern of those corresponding sub-pixels is respectively 10
Herringbone pattern, a T shape pattern or a L shape pattern.
15. display panel as claimed in claim 10, wherein the metal gasket pattern of a corresponding at least sub-pixel has one the
Two protrusion patterns, extend towards the second direction.
16. display panel as claimed in claim 15, wherein the metal gasket pattern of those corresponding sub-pixels is respectively provided with one
Second protrusion pattern, extends towards the second direction.
17. display panel as claimed in claim 10, wherein in those sub-pixels, which accounts for the son respectively
Pixel 5-15% area.
18. display panel as claimed in claim 10, wherein including one second photo-alignment layer, it is located on those pixel units,
Wherein first photo-alignment layer has an alignment direction identical with the first direction and one opposite with the first direction matches
To direction, and second photo-alignment layer is opposite with the second direction with an alignment direction identical with the second direction and one
Alignment direction.
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| CN201410753467.3A CN105739142B (en) | 2014-12-10 | 2014-12-10 | Display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410753467.3A CN105739142B (en) | 2014-12-10 | 2014-12-10 | Display panel |
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| CN105739142B true CN105739142B (en) | 2019-07-05 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918883A (en) * | 2007-12-13 | 2010-12-15 | 夏普株式会社 | Liquid crystal display device |
| CN102016704A (en) * | 2008-04-25 | 2011-04-13 | 夏普株式会社 | Liquid crystal display device |
| CN204479875U (en) * | 2014-12-10 | 2015-07-15 | 群创光电股份有限公司 | Display panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009109767A (en) * | 2007-10-30 | 2009-05-21 | Sharp Corp | Liquid crystal display device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918883A (en) * | 2007-12-13 | 2010-12-15 | 夏普株式会社 | Liquid crystal display device |
| CN102016704A (en) * | 2008-04-25 | 2011-04-13 | 夏普株式会社 | Liquid crystal display device |
| CN204479875U (en) * | 2014-12-10 | 2015-07-15 | 群创光电股份有限公司 | Display panel |
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