CN103926739A - Display panel and display device - Google Patents
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- CN103926739A CN103926739A CN201310754050.4A CN201310754050A CN103926739A CN 103926739 A CN103926739 A CN 103926739A CN 201310754050 A CN201310754050 A CN 201310754050A CN 103926739 A CN103926739 A CN 103926739A
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Abstract
The invention provides a display panel and a display device. The display panel comprises a first substrate and a second substrate which are arranged oppositely. A first black matrix and a second black matrix are formed on one face, facing the second substrate, of the first substrate, the first black matrix is positioned in a display area, the second black matrix is positioned in a non-display area, the first black matrix and the second black matrix are enabled to be disconnected by arranging a first slit between the same, a light shading layer and a light absorbing layer are sequentially arranged on one face, facing the first substrate, of the second substrate in a manner of being from far to near relatively to the first substrate, and shadows, of the light absorbing layer and the light shading layer, on the first substrate along a direction perpendicular to the first substrate cover the first slit. By the display panel and the display device, display picture quality can be improved.
Description
Technical field
The present invention relates to display technique field, relate in particular to a kind of display panel and display device.
Background technology
At present, flat-panel monitor, as liquid crystal display (Liquid Crystal Display, LCD) and organic light emitting display (OLED) etc., because it has that volume is little, lightweight, thin thickness, the feature such as low in energy consumption, radiationless, in current flat panel display market, occupied leading position.
But, in actual use, find that flat-panel monitor exists electrostatic problem, cause the Quality Down of display frame, and also there is light leak problem in flat-panel monitor; Light leak and static have all affected display frame quality.
Summary of the invention
In view of this, the invention provides a kind of display panel and display device.
The invention provides a kind of display panel, the non-display area that comprises viewing area and the described viewing area of encirclement, described display panel also comprises: the first substrate being oppositely arranged and second substrate, described first substrate comprises the first black matrix and the second black matrix in the one side of described second substrate, described the first black matrix is positioned at described viewing area, described the second black matrix is positioned at described non-display area, between described the first black matrix and the second black matrix, comprise the first slit, described the first black matrix and the second black matrix are disconnected; Described second substrate relative first substrate in the one side of described first substrate, by as far as closely, comprises light shield layer and light absorbing zone successively; Wherein, described light absorbing zone and light shield layer along the direction perpendicular to described first substrate the projection on described first substrate all contain described the first slit.
Further, the present invention also provides a kind of display device, comprises display panel as above.
The technical scheme that the embodiment of the present invention provides at least has one of following advantage:
The display panel that the embodiment of the present invention provides and display device, first substrate comprises the first black matrix and the second black matrix in the one side of described second substrate, described the first black matrix is positioned at described viewing area, described the second black matrix is positioned at described non-display area, by the first slit being set between described the first black matrix and the second black matrix, described the first black matrix and the second black matrix are disconnected, thereby make static cannot enter from the first black matrix of non-display area the second black matrix of viewing area, this has also just been avoided static on being formed at the impact of the colored color blocking on the first black matrix, display frame can not be turned white or greening, thereby improved significantly the quality of display frame.Simultaneously, described second substrate in the one side of described first substrate relative first substrate by as far as closely, comprise successively light shield layer and light absorbing zone, light shield layer is for blocking the light from second substrate outside, and light absorbing zone is for absorbing the light from first substrate outside; Wherein, described light absorbing zone and light shield layer along the direction perpendicular to described first substrate the projection on described first substrate all contain described the first slit, so, avoided the light leak problem at the first slit place.Therefore display panel and display device that, the embodiment of the present invention provides can improve display frame quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The first substrate of display panel and the sectional view of second substrate that Fig. 1 provides for the embodiment of the present invention one;
The vertical view of the first substrate of the display panel that Fig. 2 provides for the embodiment of the present invention one;
The sectional view of the first substrate of the display panel that Fig. 3 provides for the embodiment of the present invention two;
The vertical view of the first substrate of the display panel that Fig. 4 provides for the embodiment of the present invention two.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
A lot of details have been set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that, so the present invention is not subject to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with schematic diagram, when the embodiment of the present invention is described in detail in detail; for ease of explanation; the sectional view that represents device architecture can be disobeyed general ratio and be done local amplification, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.
Embodiment mono-
The present embodiment provides a kind of display panel, as depicted in figs. 1 and 2, comprises the non-display area of viewing area and encirclement viewing area, and this display panel also comprises: the first substrate 31 being oppositely arranged and second substrate 32.
Wherein, first substrate 31 comprises in the one side of second substrate 32: the first black matrix 311 that is positioned at viewing area; Be positioned at the second black matrix 312 of non-display area; The first slit 313 between the first black matrix 311 and the second black matrix 312, this first slit 313 disconnects the first black matrix 311 and the second black matrix 312, and the first slit 313 makes the first black matrix 311 and the second black matrix 312 mutually insulateds.
Second substrate 32 in the one side of first substrate 31 relative first substrate 31 by as far as closely, comprise successively: light shield layer 321 and light absorbing zone 323, light shield layer 321 and light absorbing zone 323 along the direction perpendicular to first substrate 31 projection on first substrate 31 all contain the first slit 313.
In the present embodiment, between the first black matrix 311 in viewing area and the second black matrix 312 at non-display area, form the first slit 313, its edge can be as shown in Figure 2 perpendicular to the vertical view of first substrate 31, shown in Fig. 1 and Fig. 2, the second black matrix 312 is around described the first black matrix 311, described the second black matrix 312 covers the edge of first substrate 31, described the first slit 313 is around described the first black matrix 311, the first slit 313 is between the first black matrix 311 and the second black matrix 312, so that the first black matrix 311 and the second black matrix 312 are disconnected, thereby the first black matrix 311 and the second black matrix 312 mutually insulateds, make display panel produce or the process used in the static that produces from face plate edge, be transmitted to the second black matrix 312 after, cannot conduct to again in the first black matrix 311, so, static just cannot (not indicate the opening of the first black matrix 311, conventionally, the first black matrix 311 comprises a plurality of openings, be used for exposing colored color blocking, to carry out colored demonstration) in the colored color blocking (not shown) of filling cause harmful effect, also just there will not be the display frame greening causing due to the colored color blocking of electrostatic influence or the problem of the display quality decline that waits of turning white, that is, the present embodiment is by disconnecting the first black matrix 311 of viewing area and the second black matrix 312 of non-display area by the first slit 313, and make the second black matrix 312 mutually insulateds of the first black matrix 311 and non-display area, can improve the display frame quality of display panel.
Wherein, display panel also comprises conductive gold spacer (not shown), between described first substrate 31 and second substrate 32, described conductive gold spacer is electrically connected on described the second black matrix 312, static in described the second black matrix 312 exports to described second substrate 32 by described conductive gold spacer, to carry out static release.
Preferably, the first slit 313 can be positioned at the non-display area of display panel, in the first slit 313 scopes, insulating material 314 can be set, further, insulating material 314 can be colored color blocking, wherein, colored color blocking can be the color blocking (as: red color resistance, blue color blocking or green color blocking) of solid color, also can be the formed rhythmo structure of color blocking (as: rhythmo structure of at least two kinds of formation in red color resistance, blue color blocking or green color blocking) of multiple color.
In addition, also can be arranged in the first slit 313 scopes sept (photo spacer) (not shown) as insulating material 314.
Further, because the first slit 314 places can cause light leak, therefore in the present embodiment, second substrate 32 in the one side of described first substrate 31 relative first substrate 31 by as far as closely, comprise successively light shield layer 321 and light absorbing zone 323, light shield layer 321 is for blocking the light from second substrate 32 outsides, and light absorbing zone 323 is for absorbing the light from first substrate 31 outsides; Wherein, described light absorbing zone 323 and light shield layer 321 along the direction perpendicular to described first substrate 31 projection on described first substrate 31 all contain described the first slit 313.
This display panel also can comprise: source electrode 327; The drain electrode 324 being connected with pixel electrode 326; Cover the insulation course 329 on protective seam 325, source electrode 327, drain electrode 324 and pixel electrode 326; Be formed at the public electrode 330 on insulation course 329.
Preferably, light shield layer 321 and light absorbing zone 323 are all positioned at the non-display area of display panel.
Concrete, the material of light shield layer 321 can be metal, as: aluminium, molybdenum, aluminium neodymium alloy or molybdenum neodymium alloy etc.More preferably, light shield layer 321 can with grid 322 or public electrode wire (not shown) same layer, or, light shield layer 321 can be positioned at same layer with source electrode 327, drain electrode 328 and data line (not shown), or, if display panel has GND line, light shield layer 321 can be identical with the material of GND line and be positioned at same layer; Certainly, this is only that and non-limiting, in actual production, those skilled in the art also can rationally adapt to setting according to actual conditions for example.
In addition, due to the part meeting penetrating light absorption layer 323 light from first substrate 31 outsides, arrive light shield layer 321, and by light shield layer 321 reflection (especially when the metal that the material of light shield layer 321 is high reflectance, reflection case is more serious), now, light absorbing zone 323 is also for absorbing from the light of light shield layer 321 reflections.
The material of light absorbing zone 323 can be selected the material into high-absorbility, as: amorphous silicon, black matrix material etc.When the material of light absorbing zone 323 is amorphous silicon, its preferably can with second substrate 32 on semiconductor layer 324 under same step, form, the two is also positioned at same layer; Certainly, this is only the preferred version proposing for the consideration of simplifying manufacturing process, in actual production, also can, according to actual conditions, adopt other high-absorbility material to form separately this light absorbing zone 323.
Between light absorbing zone 323 and light shield layer 321, can comprise gate insulator 331, light absorbing zone 323 also can directly contact with light shield layer 321.
It is to be noted; after light absorbing zone 323 forms in step with semiconductor layer 324; because subsequent step can carry out etching to semiconductor layer 324; to form raceway groove; in etching process, may cause damage (especially when light absorbing zone 323 adopts amorphous silicon material to light absorbing zone 323; etching is larger to the injury of amorphous silicon material); therefore; preferably; can on the surface of light absorbing zone 323, deposit protective seam 325, to avoid light absorbing zone 323 to be damaged or to remove when the channel etching.Concrete, protective seam 325 can be positioned at light absorbing zone 323 towards a side of first substrate 31, and protective seam 325 can cover light absorbing zone 323 completely.
For guaranteeing that light absorbing zone 323 can bring into play the effect that it absorbs the light that first substrate 31 reflects back, the material of this protective seam 325 can be transparent material, preferably can select transparent material firm, that be difficult for being etched.Due to after semiconductor layer 324 and light absorbing zone 232 formation; before etching raceway groove; can form pixel electrode 326; therefore the consideration based on simplifying manufacturing process; can be when forming pixel electrode 326; at the surface deposition pixel electrode material of light absorbing zone 323, as protective seam 325, the material of protective seam 325 preferably can be identical with the material of pixel electrode, as: can be tin indium oxide, indium zinc oxide etc.
The display panel that the present embodiment provides, first substrate comprises the first black matrix and the second black matrix in the one side of described second substrate, described the first black matrix is positioned at described viewing area, described the second black matrix is positioned at described non-display area, by the first slit being set between described the first black matrix and the second black matrix, described the first black matrix and the second black matrix are disconnected, thereby make static cannot enter from the first black matrix of non-display area the second black matrix of viewing area, this has also just been avoided static on being formed at the impact of the colored color blocking on the first black matrix, display frame can not be turned white or greening, thereby improved significantly the quality of display frame.Simultaneously, described second substrate in the one side of described first substrate relative first substrate by as far as closely, comprise successively light shield layer and light absorbing zone, light shield layer is for blocking the light from second substrate outside, and light absorbing zone is for absorbing the light from first substrate outside; Wherein, described light absorbing zone and light shield layer along the direction perpendicular to described first substrate the projection on described first substrate all contain described the first slit, so, avoided the light leak problem at the first slit place.Therefore the display panel that, the present embodiment provides can improve display frame quality.
Embodiment bis-
The present invention also provides another kind of embodiment, no longer repeat in the place that the present embodiment is identical with embodiment mono-, be with the difference of embodiment mono-, as shown in Figure 3, first substrate 31 comprises the first black matrix 311 and the second black matrix 312 towards a side of second substrate (not shown), wherein, the first black matrix 311 is positioned at viewing area, the second black matrix 312 is positioned at non-display area, the second black matrix 312 comprises at least two the 3rd black matrixes 511, adjacent two the 3rd 511, black matrixes comprise the second slit 512, adjacent two the 3rd black matrixes 511 are insulated from each other by the second slit 512, and the 3rd black matrix 511 all insulate with the first black matrix 311.
First substrate 31 edges as shown in Figure 3 can be as shown in Figure 4 perpendicular to the vertical view of himself direction, as shown in Figure 3 and Figure 4, arbitrary the 3rd black matrix 511 is around described the first black matrix 311, outermost the 3rd black matrix 511 covers the edge of first substrate 31, arbitrary the second slit 512 is around the first black matrix 311, owing to having increased the quantity of the slit for insulating, so display panel of this structure, insulation effect between the first black matrix 311 of its viewing area and the 3rd black matrix 511 of non-display area is better, static is difficult for entering viewing area by non-display area more, thereby further improved display frame.
Further, can in the second slit 512 scopes, insulating material 513 be set, insulating material 513 can be colored color blocking, wherein, colored color blocking can be one or more rhythmo structure that form in red photoresistance, blue light resistance and green photoresistance, in addition, also can be arranged in the second slit 512 scopes sept (photo spacer) as insulating material 513.
Further, in the present embodiment, preferably can, at the region division light absorbing zone (not shown) of each the second slit 512 correspondence on second substrate 32, to absorb light, avoid the second slit place light leak.Set light absorbing zone can be interruption in this case, and light absorbing zone exists only in each second slit 512 correspondences region on second substrate (not shown), light absorbing zone also can be continuous, be that it does not exist only in each second slit 512 correspondences region on second substrate, also be present in the 3rd region of black matrix 511 correspondences on second substrate between adjacent two the second slits 512, in a word, light absorbing zone along perpendicular to the direction of first substrate 31 projection on first substrate 31 all contain all the second slits 512, and, in each second slit 512 correspondences region on second substrate 32, light shield layer (not shown) also can be set, the position relationship of light shield layer and light absorbing zone is with embodiment mono-, the present embodiment two no longer repeats at this.
It should be noted that, in the embodiment of the present invention one and embodiment bis-, display panel can be display panels, first substrate can be color membrane substrates, second substrate can be tft array substrate, based on core concept of the present invention, the technical scheme proposing in the present embodiment is applicable to FFS(Fringe Field Switching, fringe field switching) type display panel, IPS(In-Plane Switching, plane conversion) type display panel, MVA(Multi-Domain Vertical Alignment, multi-domain vertical alignment) type display panel, TN(Twisted Nematic, twisted-nematic) type display panel etc., at light absorbing zone, be positioned at light shield layer under the prerequisite of this position relationship of side of first substrate, light shield layer and the light absorbing zone particular location in each layer can have according to different display panel types different designs.As: when display panel is FFS type or IPS type display panel, light shield layer can be positioned at same layer with gate line, public electrode wire or the GND line of display panel, light absorbing zone can be positioned at same layer with structures such as the gate insulator of display panel, data line, flatness layer, public electrode, pixel electrodes, and light absorption layer material is selected the material of high-absorbility; Or light shield layer can be with the data line bit of display panel in same layer, light absorbing zone can be positioned at same layer with structures such as the flatness layer of display panel, public electrode, pixel electrodes, and light absorption layer material is selected the material of high-absorbility.
Display panel can also be OLED display panel, and first substrate can be color membrane substrates or encapsulation cover plate, and second substrate can be the tft array substrate of evaporation luminous organic material.
Embodiment tri-
Based on above-described embodiment one, two, the embodiment of the present invention provides a kind of display device (not shown), comprises display panel, and this display panel adopts the display panel described in embodiment mono-, two.
The display device that the present embodiment provides is not limited to liquid crystal indicator, under the constant prerequisite of core concept of the present invention, technical scheme provided by the present invention is equally applicable to OLED(Organic Light-Emitting Diode, Organic Light Emitting Diode) display device or Electronic Paper etc.
To sum up, the display panel that the embodiment of the present invention provides and display device, first substrate comprises the first black matrix and the second black matrix in the one side of described second substrate, described the first black matrix is positioned at described viewing area, described the second black matrix is positioned at described non-display area, by the first slit being set between described the first black matrix and the second black matrix, described the first black matrix and the second black matrix are disconnected, thereby make static cannot enter from the first black matrix of non-display area the second black matrix of viewing area, this has also just been avoided static on being formed at the impact of the colored color blocking on the first black matrix, display frame can not be turned white or greening, thereby improved significantly the quality of display frame.Simultaneously, described second substrate in the one side of described first substrate relative first substrate by as far as closely, comprise successively light shield layer and light absorbing zone, light shield layer is for blocking the light from second substrate outside, and light absorbing zone is for absorbing the light from first substrate outside; Wherein, described light absorbing zone and light shield layer along the direction perpendicular to described first substrate the projection on described first substrate all contain described the first slit, so, avoided the light leak problem at the first slit place.Therefore display panel and display device that, the embodiment of the present invention provides can improve display frame quality.
Although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention.Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible changes and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (12)
1. a display panel, comprises viewing area and the non-display area that surrounds described viewing area, and described display panel also comprises:
The first substrate being oppositely arranged and second substrate, described first substrate comprises the first black matrix and the second black matrix in the one side of described second substrate, described the first black matrix is positioned at described viewing area, described the second black matrix is positioned at described non-display area, between described the first black matrix and the second black matrix, comprise the first slit, described the first black matrix and the second black matrix are disconnected;
Described second substrate relative first substrate in the one side of described first substrate, by as far as closely, comprises light shield layer and light absorbing zone successively;
Wherein, described light absorbing zone and light shield layer along the direction perpendicular to described first substrate the projection on described first substrate all contain described the first slit.
2. display panel according to claim 1, is characterized in that, described the first slit is positioned at described non-display area.
3. display panel according to claim 1, is characterized in that, described the second black matrix ring is around described the first black matrix, the edge of described the second black Matrix cover first substrate, and described the first slit rings is around described the first black matrix.
4. display panel according to claim 1, is characterized in that, the material of described light absorbing zone is amorphous silicon, and the material of described light shield layer is metal.
5. display panel according to claim 1, is characterized in that, within the scope of described the first slit, insulating material is set.
6. display panel according to claim 5, is characterized in that, described insulating material is colored color blocking or sept.
7. display panel according to claim 1, it is characterized in that, described the second black matrix comprises at least two the 3rd black matrixes, between adjacent two described the 3rd black matrixes, comprise the second slit, adjacent two described the 3rd black matrixes are insulated from each other by described the second slit, and described the 3rd black matrix all insulate with described the first black matrix.
8. display panel according to claim 7, is characterized in that, described light absorbing zone and light shield layer along the direction perpendicular to described first substrate the projection on first substrate all contain all described the second slits.
9. display panel according to claim 1, is characterized in that, also comprises: protective seam, be positioned at described light absorbing zone towards a side of described first substrate, and described protective seam covers described light absorbing zone completely.
10. display panel according to claim 9, is characterized in that, the material of described protective seam is transparent material.
11. display panels according to claim 1, it is characterized in that, also comprise conductive gold spacer, between described first substrate and second substrate, described conductive gold spacer is electrically connected on described the second black matrix, and the static in described the second black matrix exports to described second substrate by described conductive gold spacer.
12. 1 kinds of display device, comprise the display panel described in any one in claim 1-11.
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