CN105739142A - Display panel - Google Patents
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- CN105739142A CN105739142A CN201410753467.3A CN201410753467A CN105739142A CN 105739142 A CN105739142 A CN 105739142A CN 201410753467 A CN201410753467 A CN 201410753467A CN 105739142 A CN105739142 A CN 105739142A
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Abstract
The invention relates to a display panel. The display panel comprises a first base plate, a first optical alignment layer and a plurality of metal pads, wherein the first base plate is provided with a plurality of sub-pixels; the first optical alignment layer is positioned on the first base plate and is provided with at least two different alignment directions corresponding to the sub-pixels; the metal pads correspond to the sub-pixels respectively. When a ray of light passes through the sub-pixels, the display panel can display a dark grain pattern. The dark grain pattern comprises a first main dark grain and a metal pad pattern, wherein the first main dark grain is positioned at the junction of the alignment of the first optical alignment layer in different directions; the metal pad pattern corresponds to the metal pads and the first main dark grain; the distance between one side of the first main dark grain and the same side of the metal pad pattern is a first offset, the distance between the other side of the first mark dark grain and the same side of the metal pad pattern is a second offset, and the first offset is different from the second offset.
Description
Technical field
The invention provides a kind of display floater, it has special dark stricture of vagina pattern, and is minimized panel dark-state penetrance and promotes contrast.
Background technology
Along with display technology constantly improves, the trend developments such as all of device is all little towards volume, thickness is thin, lightweight, therefore the display equipment of main flow is developed into liquid crystal display by conventional cathode ray tube on the market at present.Particularly, the applicable field of liquid crystal display is quite a lot of, and the mobile phone that such as uses in daily life, notebook computer, camera, photographing unit, music player, action navigation device, the display device such as TV, great majority all use display panels.
With liquid crystal display common at present, mainly a liquid crystal layer is pressed from both sides as between two electrodes, and utilize toppling over of liquid crystal molecule between Control of Voltage liquid crystal layer, so that the light that the backlight module that liquid crystal panel is arranged below sends can penetrate or not penetrate through liquid crystal layer, and reach the purpose of display.Additionally, and through pixel definition, and reach to present the purpose of different colours.
In the evolution of display panels, along with the arriving of high-resolution display panel generation, the penetrance of panel is one of key factor of display quality of relation display floater.Therefore, Ge Jia manufacturer actively improves the penetrance of display floater invariably, and can promote its display quality.
In view of this, needing a kind of display floater of development at present badly, it has the penetrance of lifting, to meet the current requirement for high display quality.
Summary of the invention
It is an object of the invention to provide a kind of display floater, can be reached to promote the purpose of contrast by reducing dark-state penetrance.
For achieving the above object, a display floater provided by the invention includes: a first substrate, has a plurality of pixel cell, and wherein those pixel cells are respectively provided with a plurality of sub-pixel；One second substrate, is oppositely arranged with this first substrate；One first photo-alignment layer, is positioned on those pixel cells, and has the alignment direction of more than at least two different directions corresponding to this Scorpio pixel；One liquid crystal layer, is arranged between this first substrate and this second substrate；And plural number metal gasket, it is arranged on this first substrate and is respectively provided with a protuberance, and those metal gaskets are corresponding with those sub-pixels respectively.Wherein, when a light is through those sub-pixels, this display floater can show a dark stricture of vagina pattern, this dark stricture of vagina pattern includes: one first main dark stricture of vagina, it is arranged in the intersection of this first photo-alignment layer different directions orientation and extends towards a first direction, and the opposite sides limit of this first main dark stricture of vagina has one first main dark stricture of vagina boundary point and one second main dark stricture of vagina boundary point in the hatching line of a second direction, wherein this second direction is vertical with this first direction；And a metal gasket pattern, corresponding with this first main dark stricture of vagina, this metal gasket pattern has one first protrusion pattern and extends towards this first direction, this the first protrusion pattern is corresponding with this protuberance, this first opposite sides limit protruding pattern has one first metal gasket pattern dark stricture of vagina boundary point and the dark stricture of vagina boundary point of one second metal gasket pattern in another hatching line of this second direction, and this first main dark stricture of vagina boundary point of this first metal gasket pattern dark stricture of vagina boundary point relative proximity, and this second main dark stricture of vagina boundary point of this second metal gasket pattern dark stricture of vagina boundary point relative proximity.Wherein, it is one first side-play amount with this dark stricture of vagina boundary point of the first metal gasket pattern for benchmark along the distance difference of the extension line of this first direction with this first main dark stricture of vagina boundary point, being one second side-play amount with this dark stricture of vagina boundary point of the second metal gasket pattern for benchmark along the distance difference of the extension line of this first direction with this second main dark stricture of vagina boundary point, this first side-play amount is different from this second side-play amount.
In the display floater of the present invention, it one is the first sub-pixel of red pixel that those pixel cells include, one be the 3rd sub-pixel that the second sub-pixel and is green pixel of blue pixel, and the first side-play amount of this red pixel or the second side-play amount bigger than the first side-play amount of this blue pixel or the second side-play amount.
In the display floater of the present invention, it one is the first sub-pixel of red pixel that those pixel cells include, one be the 3rd sub-pixel that the second sub-pixel and is green pixel of blue pixel, and the first side-play amount of this red pixel or the second side-play amount bigger than the first side-play amount of this green pixel or the second side-play amount.
In the display floater of the present invention, those pixel cells also include one for the 4th sub-pixel of yellow pixel, and the first side-play amount of this red pixel or the second side-play amount bigger than the first side-play amount of this yellow pixel or the second side-play amount.
In the display floater of the present invention, corresponding this metal gasket pattern respectively cruciform pattern of those sub-pixels, a T-shaped pattern (anuppercaseTshape) or a L-shaped pattern (anuppercaseLshape).
In the display floater of the present invention, this metal gasket pattern of corresponding at least one sub-pixel also has one second protrusion pattern, extends towards this second direction.
In the display floater of the present invention, this metal gasket pattern of those sub-pixels corresponding is also respectively provided with one second protrusion pattern, extends towards this second direction.
In the display floater of the present invention, in those sub-pixels, this metal gasket pattern accounts for this sub-pixel 5-15% area respectively.
The display floater of the present invention can also include one second photo-alignment layer, it is positioned on those pixel cells, wherein this first photo-alignment layer has an alignment direction that an alignment direction identical with this first direction and one and this first direction are contrary, and this second photo-alignment layer has the alignment direction that an alignment direction identical with this second direction and one and this second direction are contrary.
Additionally, display floater provided by the invention, also including: a first substrate, have a plurality of pixel cell, wherein those pixel cells are respectively provided with a plurality of sub-pixel；One second substrate, is oppositely arranged with this first substrate；One first photo-alignment layer, is positioned on those pixel cells, and has the alignment direction of more than at least two different directions corresponding to those sub-pixels；One liquid crystal layer, is arranged between this first substrate and this second substrate；And plural number metal gasket, it is arranged on this first substrate and is respectively provided with a protuberance, and those metal gaskets are corresponding with a little pixel of this son respectively.Wherein, when a light is through those sub-pixels, this display floater can show a dark stricture of vagina pattern, this dark stricture of vagina pattern includes: one first main dark stricture of vagina, it is arranged in the intersection of this first photo-alignment layer different directions orientation and extends towards a first direction, and this first main dark stricture of vagina has along the relative first side that this first direction extends and a second side；And a metal gasket pattern, corresponding with this first main dark stricture of vagina with this metal gasket, this metal gasket pattern has one first protrusion pattern and extends towards this first direction, this first protrudes pattern to should protuberance, and this first protrusion pattern has one the 3rd relative side and the four side extended along this first direction, wherein the 3rd this first side of side relative proximity, and this this second side of four side relative proximity, and this first side is different with the second distance in this second direction of this second side Yu this four side from first distance in a second direction of the 3rd side, and this second direction is vertical with this first direction.
In the display floater of the present invention, it one is the first sub-pixel of red pixel that those pixel cells include, one be the 3rd sub-pixel that the second sub-pixel and be green pixel of blue pixel, and the first of this red pixel apart from or second distance than the first of this blue pixel apart from or second distance big.
In the display floater of the present invention, it one is the first sub-pixel of red pixel that those pixel cells include, one be the 3rd sub-pixel that the second sub-pixel and be green pixel of blue pixel, and the first of this red pixel apart from or second distance than the first of this green pixel apart from or second distance big.
In the display floater of the present invention, those pixel cells also include one for the 4th sub-pixel of yellow pixel, and the first distance of this red pixel or second distance than the first of this yellow pixel apart from or second distance big.
In the display floater of the present invention, corresponding this metal gasket pattern respectively cruciform pattern of those sub-pixels, a T-shaped pattern or a L-shaped pattern.
In the display floater of the present invention, this metal gasket pattern of corresponding at least one sub-pixel also has one second protrusion pattern, extends towards this second direction.
In the display floater of the present invention, this metal gasket pattern of those sub-pixels corresponding is also respectively provided with one second protrusion pattern, extends towards this second direction.
In the display floater of the present invention, in those sub-pixels, this metal gasket pattern accounts for this sub-pixel 5-15% area respectively.
The display floater of the present invention can also include one second photo-alignment layer, it is positioned on those pixel cells, wherein this first photo-alignment layer has an alignment direction that an alignment direction identical with this first direction and one and this first direction are contrary, and this second photo-alignment layer has the alignment direction that an alignment direction identical with this second direction and one and this second direction are contrary.
As mentioned above, the display floater of the present invention is owing to arranging the metal gasket with protuberance on first substrate, and can have the metal gasket pattern of the first protrusion pattern in light through the generation of sub-pixel correspondence, thus present dark-state when light is without sub-pixel, the brightness of display floater can reduce more, improve dark-state contrast with this, and promoted the contrast that display floater is overall.Meanwhile, by adjusting first/second side-play amount or first/second distance, also can change the colourity of sub-pixel, and make display floater can adjust towards cool colour system or warm colour system.
Accompanying drawing explanation
Figure 1A is the display device schematic diagram of a preferred embodiment of the present invention.
Figure 1B is the display floater schematic diagram of a preferred embodiment of the present invention.
The thin film transistor base plate schematic diagram of Fig. 2 A and the 2B respectively present invention two preferred embodiment.
Fig. 3 A and 3B is respectively along the thin film transistor base plate generalized section of the hatching A-A ' and B-B ' of Fig. 2 A and 2B.
First photo-alignment layer of Fig. 4 A and 4B respectively a preferred embodiment of the present invention and the second photo-alignment layer orientation schematic diagram.
Fig. 5 is the dark stricture of vagina pattern schematic diagram of a preferred embodiment of the present invention.
Fig. 6 is the dark stricture of vagina pattern enlarged drawing of a preferred embodiment of the present invention.
Fig. 7 A to 7D is the brightness measurement figure of the first main dark stricture of vagina and metal gasket pattern in the display floater redness of the embodiment of the present invention 1, green, blueness, yellow sub-pixel.
Fig. 8 A to 8D is the penetrance measurement figure of the first main dark stricture of vagina and metal gasket pattern in the display floater redness of the embodiment of the present invention 2, green, blueness, yellow sub-pixel.
Fig. 9 A to 9D is the brightness measurement figure of the first main dark stricture of vagina and metal gasket pattern in the display floater redness of the embodiment of the present invention 3, green, blueness, yellow sub-pixel.
Figure 10 is the thin film transistor base plate schematic diagram of comparative example of the present invention.
Figure 11 is the display floater reduced value measurement figure of the embodiment of the present invention 1 and comparative example.
The dark stricture of vagina pattern enlarged drawing of Figure 12 A and 12B other preferred embodiments of the present invention.
Symbol description in accompanying drawing
null1 first substrate，10 display floaters，111 scanning lines，112 data lines，113 film crystal pipe units，1131 grids，1132 insulating barriers，1133 semiconductor layers，1134 source electrodes，1135 drain electrodes，1136 protective layers，1137 contact holes，114 storage electrodes，114a metal gasket，1141 protuberances，115 pixel electrodes，12 first photo-alignment layer，2 second substrates，20 backlight modules，21 second photo-alignment layer，3 liquid crystal layers，5 frame glue，51 first main dark stricture of vaginas，51a first side，51b second side，511 first main dark stricture of vagina boundary points，512 second main dark stricture of vagina boundary points，52 metal gasket patterns，52a the 3rd side，52b four side，521 first protrude pattern，522 second protrude pattern，The 523 first dark stricture of vagina boundary points of metal gasket pattern，The 524 second dark stricture of vagina boundary points of metal gasket pattern，53 second main dark stricture of vaginas，D1 the first distance，D2 second distance，X second direction，Y first direction，P1,P2,P3,P4 sub-pixel.
Detailed description of the invention
The following is, by particular specific embodiment, embodiments of the present invention are described, those skilled in the art can be understood other advantages and effect of the present invention easily by content disclosed in the present specification.The present invention also can be implemented by other different specific embodiments or be applied, and the every details in this specification also for different viewpoints and application, can carry out various modification and change under without departing from the spirit.
Figure 1A is the generalized section of the display device of a preferred embodiment of the present invention.Wherein, the display device of the present embodiment includes: a display floater 10；And a backlight module 20, it is located at below display floater 10, to provide a light penetration this display floater 10.
As shown in Figure 1B, including of the display floater of the present embodiment a: first substrate 1, it is provided above one first photo-alignment layer 12；One second substrate 2, is oppositely arranged with first substrate 1 and it is provided above one second photo-alignment layer 21, and the second photo-alignment layer 21 and the first photo-alignment layer 12 are oppositely arranged；One frame glue 5, is located between first substrate 1 and second substrate 2 and is positioned at and be located at first substrate 1 and second substrate 2 outside；And a liquid crystal layer 3, it is located at first substrate 1 and in space that second substrate 2 is formed.In this embodiment, film crystal pipe unit (not shown) system is arranged on first substrate 1 chromatic filter layer (not shown) system and is arranged on second substrate 2, therefore first substrate 1 is a thin film transistor base plate, and second substrate 2 is a colored filter substrate；But in other embodiments, chromatic filter layer (not shown) also may be disposed on first substrate 1, therefore the thin film transistor base plate (colorfilteronarray, COA) that first substrate 1 is integral color filter array.It follows that by the structure on the first substrate 1 describing the present embodiment.
Then, refer to Fig. 2 A and 3A, the schematic diagram of thin film transistor base plate of display floater and generalized section for a preferred embodiment of the present invention, wherein thin film transistor base plate includes: a first substrate 1, is provided above scanning line 111, data wire 112, film crystal pipe unit 113, pixel electrode 115 and storage electrode 114.At this, each pixel electrode 115 is located at becomes a sub-pixel between two adjacent scanning lines 111 and two adjacent data lines 112；In Fig. 2 A, indicate that a wherein pixel cell of display floater, including four sub-pixels；But, in other embodiments, a pixel cell is not limited only to only include four sub-pixels, and can be include such as the situation of three sub-pixels.In the present embodiment, sub-pixel includes film crystal pipe unit 113, pixel electrode 115 and a storage electrode 114, and pixel electrode 115 is electrically connected by contact hole 1137 and film crystal pipe unit 113.Additionally, in sub-pixel, storage electrode 114 is arranged on first substrate 1 and includes a metal gasket 114a with cross-shaped configuration, and this metal gasket 114a has a protuberance 1141.
As shown in Fig. 2 A and 3A, in the preparation process of the present embodiment thin film transistor base plate, first, on first substrate 1, it is initially formed a grid 1131 and scan line 111.Then, on substrate 11, grid 1131 and scanning line 111, form an insulating barrier 1132 (what also can claim is gate insulator), be formed over semi-conductor layer 1133 then at grid 1131.Then, on semiconductor layer 1133, form source electrode 1134 and a drain electrode 1135, and on insulating barrier 1132, form a data wire 112 simultaneously, then complete the preparation of the data wire 112 of the present embodiment, scanning line 111 and a film crystal pipe unit 113.Finally, form the protective layer 1136 with contact hole 1137, in protective layer 1136 and contact hole 1137, form pixel electrode 115, then complete the preparation of the thin film transistor base plate of the present embodiment.
At this, grid 1131, scanning line 111, source electrode 1134, drain electrode 1135 and data wire 112 can use the conductive material that the art is conventional, such as metal, alloy, metal-oxide, metal oxynitride or other electrode materials commonly used in the art；And be preferably metal material, but the present invention is not limited only to this.The gate line of the present invention, scanning line and electrode etc., be not restricted to as homogenous material layer, also can use the lamination layer structure of multiple material storehouse.Additionally, first substrate 1 and second substrate 2 can be commonly used in the art substrate material make, for instance glass, plastics, flexible materials etc.；Insulating barrier 1132 and protective layer 1136 can be commonly used in the art insulating layer material make；Semiconductor layer 1133 can be commonly used in the art semi-conducting material manufacturing；Pixel electrode 115 then can be commonly used in the art transparency conductive electrode material (such as ITO, IZO or ITZO) make.
In addition, refer to Fig. 2 B and 3B, the schematic diagram of thin film transistor base plate for the display floater of another preferred embodiment of the present invention, wherein substrate structure for thin-film transistor is identical with Fig. 2 A and 3A, except the drain electrode 1135 of the film crystal pipe unit 113 of the present embodiment is to extend towards storage electrode 114 so that contact hole 1137 is corresponding on storage electrode 114；Additionally, in the present embodiment, drain electrode 1135 also includes a metal gasket 114a with cross-shaped configuration, and this metal gasket 114a has a protuberance 1141.
As shown in Figure 1B, 3A and 3B, thin film transistor base plate is additionally provided with one first photo-alignment layer 12；And as shown in Figure 1B, second substrate 2 is then additionally provided with one second photo-alignment layer 21；Wherein in a sub-pixel, the schematic diagram of the alignment direction of the first photo-alignment layer 12 and the second photo-alignment layer 21 is respectively as shown in fig. 4 a and 4b.As shown in Figure 4 A, the first photo-alignment layer 12 has the alignment direction that an alignment direction identical with first direction Y and one and first direction Y are contrary；And as shown in Figure 4 B, the second photo-alignment layer 21 has the alignment direction that an alignment direction identical with second direction X and one and second direction Y are contrary.
Therefore, as shown in Figures 1 and 5, by control grant the voltage of pixel electrode (not shown) and make panel present bright dark-state, under on state of, when by the backlight module 20 such as Fig. 1 send a light through sub-pixel P1, P2, when P3, P4, because of the alignment direction reciprocal action of the first photo-alignment layer 12 and the second photo-alignment layer 21, and can affect and be positioned at liquid crystal direction of rotation between the two so that display floater can show the dark stricture of vagina pattern of font as shown in Figure 5.As shown in Fig. 4 A and Fig. 5, this dark stricture of vagina pattern includes: one first main dark stricture of vagina 51, is arranged in the intersection of the first photo-alignment layer 12 different directions orientation and extends towards a first direction Y；And a metal gasket pattern 52, and the main dark stricture of vagina 51 of metal gasket 114a and the first of Fig. 2 A and 2B is corresponding, and metal gasket pattern 52 has one first protrusion pattern 521 and extends towards first direction Y, and first to protrude pattern 521 corresponding with the protuberance 1141 of metal gasket 114a.Additionally, metal gasket pattern 52 can also have one second protrusion pattern 522, extend towards second direction X.At this, in those sub-pixels P1, 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, and wherein the first main dark stricture of vagina 51 has the relative first side 51a and a second side 51b that Y extends in the first direction；Wherein the relative first side 51a and second side 51b of the first main dark stricture of vagina 51 has one first main dark stricture of vagina boundary point 511 and one second main dark stricture of vagina boundary point 512 in the hatching line of second direction X, and wherein second direction X is vertical with first direction Y.Additionally, and the first of metal gasket pattern 52 protrudes pattern 521 and has one a 3rd relative side 52a and four side 52b, wherein a 3rd side 52a relative proximity first side 51a extended of Y in the first direction, and four side 52b relative proximity second side 51b；Wherein the first relative 3rd side 52a and four side 52b protruding pattern 521 has one first metal gasket pattern dark stricture of vagina boundary point 523 and the dark stricture of vagina boundary point 524 of one second metal gasket pattern in another hatching line of second direction X, and the main dark stricture of vagina boundary point 511 of the second metal gasket pattern dark stricture of vagina boundary point 524 relative proximity first, and the main dark stricture of vagina boundary point 512 of the second metal gasket pattern dark stricture of vagina boundary point 524 relative proximity second.
Wherein, the first distance D1 on second direction X of the extension line of first side 51a and the three side 52a is different from the second distance D2 on second direction X of second side 51b and four side 52b.In other words, with the first main dark stricture of vagina boundary point 511 and the dark stricture of vagina boundary point 523 of the first metal gasket pattern be the extension line of benchmark Y in the first direction distance difference be one first side-play amount (namely, shown in first distance D1), with the second main dark stricture of vagina boundary point 512 and the dark stricture of vagina boundary point 524 of the second metal gasket pattern be the extension line of benchmark Y in the first direction distance difference be one second side-play amount (namely, shown in second distance D2), and the first side-play amount is different from the second side-play amount.In other words, if the relative first side 51a and second side 51b that lead dark stricture of vagina 51 by first coincide in another hatching line of second direction X in hatching line and the first relative 3rd side 52a and four side 52b protruding pattern 521 of second direction X, then between the first main dark stricture of vagina boundary point 511 and the dark stricture of vagina boundary point 523 of the first metal gasket pattern, distance after coinciding is then the first side-play amount, between the second main dark stricture of vagina boundary point 512 and the dark stricture of vagina boundary point 524 of the second metal gasket pattern, the distance after coinciding is then the second side-play amount, and the first side-play amount is different from the second side-play amount.
To more explication the first side-play amount and the second side-play amount, then can define by the first halfwidth leading dark stricture of vagina 51 and metal gasket pattern 52.So-called " halfwidth " is to deduct, with first peak value near An Wen center trough, the width obtained corresponding to the half place of valley value, and dark ripple shape then can produce relative two boundary points under this width；With this, to define the so-called first main dark main dark stricture of vagina boundary point the 512, the first metal gasket pattern dark stricture of vagina boundary point 523 of stricture of vagina boundary point 511, second and dark stricture of vagina boundary point 524 of the second metal gasket pattern.Wherein, the measurement of dark ripple shape, make display floater display white picture, and under high-high brightness, CCD is used to intercept image frame instantly, and then read analyze this dark stricture of vagina in image frame center gray scale variation quantize and make oscillogram, and if GTG numerical value have noise can the method such as Fourier transform or rolling average by noise filtering.
Fig. 7 A to 7D is the brightness measurement figure of the first main dark stricture of vagina and metal gasket pattern in the display floater redness of the embodiment of the present invention 1, green, blueness, yellow sub-pixel respectively, wherein substrate structure for thin-film transistor is as shown in Figure 2 B, is measure with aforementioned dark ripple shape method for measurement.Wherein, the relative position of X-axis indication refers to that the first of metal gasket pattern 52 protrudes the position on pattern 521 and the first main dark stricture of vagina 51 second direction X in figure 6；More specifically, for Fig. 7 A, in Fig. 6, the first of metal gasket pattern 52 protrudes the hatching line Far Left beginning of pattern 521 corresponding to the relative position 1 of X-axis in Fig. 7 A, and in Fig. 6 the hatching line Far Left beginning of the first main dark stricture of vagina 51 also correspond to the relative position 1 of X-axis in Fig. 7 A, and Fig. 6 first protrudes the hatching line Far Left beginning of pattern 521 lead hatching line Far Left beginning of dark stricture of vagina 51 with first online parallel with first direction Y.
In Fig. 7 A, R1 be red first sub-pixel Fig. 6 in metal gasket pattern 52 first protrude pattern 521 in the waveform of the hatching line of second direction X, and R2 is that the first main dark stricture of vagina 51 is in the waveform of another hatching line of second direction X；In Fig. 7 B, G1 first protrudes pattern 521 in the waveform of the hatching line of second direction X in green 3rd sub-pixel, and G2 is that the first main dark stricture of vagina 51 is in the waveform of another hatching line of second direction X；In Fig. 7 C, B1 first protrudes pattern 521 in the waveform of the hatching line of second direction X in blue second sub-pixel, and B2 is that the first main dark stricture of vagina 51 is in the waveform of another hatching line of second direction X；And in Fig. 7 D, Y1 first protrudes pattern 521 in the waveform of the hatching line of second direction X in yellow the 4th sub-pixel, and Y2 is that the first main dark stricture of vagina 51 is in the waveform of another hatching line of second direction X.As shown in Fig. 7 A to 7D, no matter being red, green, blue or yellow sub-pixel, the first side-play amount is different from the second side-play amount.Additionally, as shown in Fig. 7 A and 7C, the first side-play amount of red pixel or the second side-play amount are bigger than the first side-play amount of blue pixel or the second side-play amount, in other words, the first distance of red pixel or second distance are bigger than the first of blue pixel the distance or second distance；As shown in Fig. 7 A and 7B, the first side-play amount of red pixel or the second side-play amount are bigger than the first side-play amount of green pixel or the second side-play amount, and in other words, the first distance of red pixel or second distance are bigger than the first of green pixel the distance or second distance；And as shown in Fig. 7 A and 7D, the first side-play amount of red pixel or the second side-play amount are bigger than the first side-play amount of yellow pixel or the second side-play amount, in other words, the first distance of red pixel or second distance are bigger than the first of yellow pixel the distance or second distance.
Fig. 8 A to 8D is the brightness measurement figure of the first main dark stricture of vagina and metal gasket pattern in the display floater redness of the embodiment of the present invention 2, green, blueness, yellow sub-pixel respectively, wherein substrate structure for thin-film transistor is as shown in Figure 2 B, is measure with aforementioned dark ripple shape method for measurement.Same, first side-play amount (the first distance) of each color sub-pixels in embodiment 2 display floater and the second side-play amount (second distance) relation are identical with described in embodiment 1.
Fig. 9 A to 9D is the brightness measurement figure of the first main dark stricture of vagina and metal gasket pattern in the display floater redness of the embodiment of the present invention 3, green, blueness, yellow sub-pixel respectively, wherein substrate structure for thin-film transistor is as shown in Figure 2 B, is measure with aforementioned dark ripple shape method for measurement.Same, first side-play amount (the first distance) of each color sub-pixels in embodiment 3 display floater and the second side-play amount (second distance) relation are identical with described in embodiment 1.
Aforementioned is the first of the first main dark stricture of vagina and metal gasket pattern protrude relative displacement between pattern in comparing embodiment 1 to 3；Same, such as Fig. 4 B, shown in 5 and 6, dark stricture of vagina pattern also includes: one second main dark stricture of vagina 53, is arranged in the intersection of the second photo-alignment layer 21 different directions orientation and extends towards second direction X；And as illustrated in figures 5 and 6, metal gasket pattern 52 is a cruciform pattern, and has the second protrusion pattern 522, extend towards second direction X.At this, the second main dark stricture of vagina 53 protrude with second 522 side-play amount relations of pattern preferably and the aforementioned first main dark stricture of vagina 51 and first to protrude side-play amount relation between pattern 521 identical；Therefore do not repeat them here.
Figure 10 is the thin film transistor base plate schematic diagram of comparative example of the present invention, and its structure is identical with the substrate structure for thin-film transistor of the embodiment shown in Fig. 2 A, except comparative example thin film transistor base plate do not include metal gasket.
When the display floater of the thin film transistor base plate by using the embodiment shown in Fig. 2 A and the comparative example shown in Figure 10 is compared, the result figure as shown in table 1 below and Figure 11 can be obtained, it is in embodiment and comparative example display floater, the graph of a relation of different metal pad size and reduced value, wherein reduced value is to define with following equation:
CR (reduced value)=W (on state of brightness)/D (dark-state brightness)
Table 1
As Figure 11 and table 1 result show, when display floater arranges the metal gasket with protuberance, and can produce that there is the metal gasket pattern protruding pattern in light through sub-pixel correspondence, dark-state is presented when light is without sub-pixel with this, the brightness of display floater can reduce more, reduces dark-state penetrance, improves dark-state contrast with this, and promoted the contrast that display floater is overall, and then promote the display quality of display floater.Meanwhile, by adjusting first/second side-play amount or first/second distance, the colourity that also can change sub-pixel makes display floater can adjust towards cool colour system or warm colour system.
In addition, the metal gasket shape on first substrate more can be adjusted, and can produce different metal gasket patterns.Such as: in the dark stricture of vagina pattern of other preferred embodiments of the present invention, metal gasket pattern is T-shaped as illustrated in fig. 12；And metal gasket pattern is L-shaped in the dark stricture of vagina pattern of other preferred embodiments of the present invention as shown in Figure 12 B.But, the present invention is not limited to this little patterns, as long as reaching aforementioned reduction dark-state penetrance and having the relation of aforementioned first/second side-play amount or first/second distance.
Furthermore, display device obtained by present invention, can be applicable on any electronic installation needing display screen known in the art, such as display, mobile phone, notebook computer, camera, photographing unit, music player, action navigation device, TV etc..
Claims (20)
1. a display floater, including:
One first substrate, has a plurality of pixel cell, and wherein those pixel cells are respectively provided with a plurality of sub-pixel；
One second substrate, is oppositely arranged with this first substrate；
One first photo-alignment layer, is positioned on those pixel cells, and has the alignment direction of more than at least two different directions corresponding to those sub-pixels；
One liquid crystal layer, is arranged between this first substrate and this second substrate；And
Plural number metal gasket, is arranged on this first substrate and is respectively provided with a protuberance, and those metal gaskets are corresponding with those sub-pixels respectively；
Wherein, when a light is through those sub-pixels, this display floater can show a dark stricture of vagina pattern, and this dark stricture of vagina pattern includes:
One first main dark stricture of vagina, it is arranged in the intersection of this first photo-alignment layer different directions orientation and extends towards a first direction, and the opposite sides limit of this first main dark stricture of vagina has one first main dark stricture of vagina boundary point and one second main dark stricture of vagina boundary point in a hatching line of a second direction, wherein this second direction is vertical with this first direction；And
One metal gasket pattern, corresponding with this first main dark stricture of vagina, this metal gasket pattern has one first protrusion pattern and extends towards this first direction, this the first protrusion pattern is corresponding with this protuberance, this first opposite sides limit protruding pattern has one first metal gasket pattern dark stricture of vagina boundary point and the dark stricture of vagina boundary point of one second metal gasket pattern in another hatching line of this second direction, and this first main dark stricture of vagina boundary point of this first metal gasket pattern dark stricture of vagina boundary point relative proximity, and this second main dark stricture of vagina boundary point of this second metal gasket pattern dark stricture of vagina boundary point relative proximity；
Wherein, it is one first side-play amount with this dark stricture of vagina boundary point of the first metal gasket pattern for benchmark along the distance difference of the extension line of this first direction with this first main dark stricture of vagina boundary point, being one second side-play amount with this dark stricture of vagina boundary point of the second metal gasket pattern for benchmark along the distance difference of the extension line of this first direction with this second main dark stricture of vagina boundary point, this first side-play amount is different from this second side-play amount.
2. display floater as claimed in claim 1, wherein, it one is the first sub-pixel of red pixel that those pixel cells include, one be the 3rd sub-pixel that the second sub-pixel and is green pixel of blue pixel, and the first side-play amount of this red pixel or the second side-play amount bigger than the first side-play amount of this blue pixel or the second side-play amount.
3. display floater as claimed in claim 1, wherein, it one is the first sub-pixel of red pixel that those pixel cells include, one be the 3rd sub-pixel that the second sub-pixel and is green pixel of blue pixel, and the first side-play amount of this red pixel or the second side-play amount bigger than the first side-play amount of this green pixel or the second side-play amount.
4. display floater as claimed in claim 2, wherein, those pixel cells include one be yellow pixel the 4th sub-pixel, and the first side-play amount of this red pixel or the second side-play amount bigger than the first side-play amount of this yellow pixel or the second side-play amount.
5. display floater as claimed in claim 3, wherein, those pixel cells include one be yellow pixel the 4th sub-pixel, and the first side-play amount of this red pixel or the second side-play amount bigger than the first side-play amount of this yellow pixel or the second side-play amount.
6. display floater as claimed in claim 1, wherein, corresponding this metal gasket pattern respectively cruciform pattern of those sub-pixels, a T-shaped pattern or a L-shaped pattern.
7. display floater as claimed in claim 1, wherein, this metal gasket pattern of corresponding at least one sub-pixel has one second protrusion pattern, extends towards this second direction.
8. display floater as claimed in claim 7, wherein, this metal gasket pattern of those sub-pixels corresponding is respectively provided with one second protrusion pattern, extends towards this second direction.
9. display floater as claimed in claim 1, wherein, in those sub-pixels, this metal gasket pattern accounts for this sub-pixel 5-15% area respectively.
10. display floater as claimed in claim 1, wherein, including one second photo-alignment layer, it is positioned on those pixel cells, wherein this first photo-alignment layer has an alignment direction that an alignment direction identical with this first direction and one and this first direction are contrary, and this second photo-alignment layer has the alignment direction that an alignment direction identical with this second direction and one and this second direction are contrary.
11. a display floater, including:
One first substrate, has a plurality of pixel cell, and wherein those pixel cells are respectively provided with a plurality of sub-pixel；
One second substrate, is oppositely arranged with this first substrate；
One first photo-alignment layer, is positioned on those pixel cells, and has the alignment direction of more than at least two different directions corresponding to those sub-pixels；
One liquid crystal layer, is arranged between this first substrate and this second substrate；And
Plural number metal gasket, is arranged on this first substrate and is respectively provided with a protuberance, and those metal gaskets are corresponding with a little pixel of this son respectively；
Wherein, when a light is through those sub-pixels, this display floater can show a dark stricture of vagina pattern, and this dark stricture of vagina pattern includes:
One first main dark stricture of vagina, is arranged in the intersection of this first photo-alignment layer different directions orientation and extends towards a first direction, and this first main dark stricture of vagina has along the relative first side that this first direction extends and a second side；And
One metal gasket pattern, and it is corresponding with this first main dark stricture of vagina, this metal gasket pattern has one first protrusion pattern and extends towards this first direction, this first protrudes pattern to should protuberance, and this first protrusion pattern has one the 3rd relative side and the four side extended along this first direction, wherein the 3rd this first side of side relative proximity, and this this second side of four side relative proximity, and this first side is different with the second distance in this second direction of this second side Yu this four side from first distance in a second direction of the 3rd side, and this second direction is vertical with this first direction.
12. display floater as claimed in claim 11, wherein, it one is the first sub-pixel of red pixel that those pixel cells include, one be the 3rd sub-pixel that the second sub-pixel and be green pixel of blue pixel, and the first of this red pixel apart from or second distance than the first of this blue pixel apart from or second distance big.
13. display floater as claimed in claim 11, wherein, it one is the first sub-pixel of red pixel that those pixel cells include, one be the 3rd sub-pixel that the second sub-pixel and be green pixel of blue pixel, and the first of this red pixel apart from or second distance than the first of this green pixel apart from or second distance big.
14. display floater as claimed in claim 12, wherein, those pixel cells include one be yellow pixel the 4th sub-pixel, and the first distance of this red pixel or second distance than the first of this yellow pixel apart from or second distance big.
15. display floater as claimed in claim 13, wherein, those pixel cells include one be yellow pixel the 4th sub-pixel, and the first distance of this red pixel or second distance than the first of this yellow pixel apart from or second distance big.
16. display floater as claimed in claim 11, wherein, corresponding this metal gasket pattern respectively cruciform pattern of those sub-pixels, a T-shaped pattern or a L-shaped pattern.
17. display floater as claimed in claim 11, wherein, this metal gasket pattern of corresponding at least one sub-pixel has one second protrusion pattern, extends towards this second direction.
18. display floater as claimed in claim 17, wherein, this metal gasket pattern of those sub-pixels corresponding is respectively provided with one second protrusion pattern, extends towards this second direction.
19. display floater as claimed in claim 11, wherein, in those sub-pixels, this metal gasket pattern accounts for this sub-pixel 5-15% area respectively.
20. display floater as claimed in claim 11, wherein, including one second photo-alignment layer, it is positioned on those pixel cells, wherein this first photo-alignment layer has an alignment direction that an alignment direction identical with this first direction and one and this first direction are contrary, and this second photo-alignment layer has the alignment direction that an alignment direction identical with this second direction and one and this second direction are contrary.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009109767A (en) * | 2007-10-30 | 2009-05-21 | Sharp Corp | Liquid crystal display device |
| 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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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009109767A (en) * | 2007-10-30 | 2009-05-21 | Sharp Corp | Liquid crystal display device |
| 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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