CN105118383A - Display substrate and display device - Google Patents
Display substrate and display device Download PDFInfo
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- CN105118383A CN105118383A CN201510613207.0A CN201510613207A CN105118383A CN 105118383 A CN105118383 A CN 105118383A CN 201510613207 A CN201510613207 A CN 201510613207A CN 105118383 A CN105118383 A CN 105118383A
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Abstract
The invention discloses a display substrate and a display device and relates to the technical field of display. The display substrate and the display device are used for improving the display effect of the display device. The display substrate comprises a display area and a non-display area shielded by a shading layer. A semi-light-transmitting layer is arranged on the intersection of the non-display area and the display area. Brightness contrast of the intersection of the display area and the non-display area is weakened through the semi-light-transmitting layer, so that the sawtooth-shaped intersection is fuzzy, part of light emitted by three sub-pixels in the same pixel corresponding to the intersection is allowed to pass, and accordingly the color error phenomenon of the intersection is weakened. The display substrate and the display device are used for forming a non-rectangular display area on the display substrate.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of display base plate and display device.
Background technology
At present, in order to meet the demand of user individual customization, the viewing area in display base plate is often designed to non-rectangle.For example, as depicted in figs. 1 and 2, pixel on display base plate 1 still arranges with the form of two-dimensional matrix, this two-dimensional matrix comprises multiple pixel column and pixel column, and wherein, each pixel comprises three sub-pixels, it is red, green and blue that three sub-pixels are respectively used to display, by arranging the mode of light shield layer 2 on display base plate 1, the pixel of non-display area is suitably blocked, to form the viewing area of non-rectangle.Particularly, the set-up mode of light shield layer 2 mainly contains following two kinds:
Set-up mode one as shown in Figure 1, is zigzag with the shape of the intersection of viewing area in light shield layer 2.But, present inventor finds, in this set-up mode, the light that pixel in non-display area sends can be blocked layer 2 and block, cause the intersection brightness contrast of viewing area and non-display area obvious, above-mentioned jagged boundary very clearly can be shown, cause the display effect of display device not good.
Set-up mode two as shown in Figure 2, is arcuation with the shape of the intersection of viewing area in light shield layer 2.But, present inventor finds, in this set-up mode, in same pixel corresponding to above-mentioned intersection, to be blocked the area that layer 2 covers different for three sub-pixels, redness, green and blue colour mixture ratio in same pixel is caused to be affected, thus make above-mentioned intersection there is color offset phenomenon, cause the display effect of display device not good.
Summary of the invention
The object of the present invention is to provide a kind of display base plate and display device, for improving the display effect of display device.
For achieving the above object, display base plate provided by the invention adopts following technical scheme:
A kind of display base plate, the non-display area that this display base plate comprises viewing area and blocked by light shield layer, is provided with semi-transparent photosphere at the intersection of described non-display area and described viewing area.
Owing to being provided with semi-transparent photosphere at the intersection of non-display area and viewing area, this semi-transparent photosphere allows its light portion of directive to pass through, therefore, when the shape of the intersection of non-display area and viewing area is zigzag, the light sent due to the pixel that this intersection is corresponding can partly by semi-transparent photosphere, thus the intersection brightness contrast of viewing area and non-display area is weakened, and then make above-mentioned jagged boundary obfuscation, the display effect of display device can be improved; When the shape of the intersection of non-display area and viewing area is arcuation, due in the same pixel that above-mentioned intersection is corresponding, the light that sends of three sub-pixels all can part by semi-transparent photosphere, thus make the colour mixture of this pixel comparatively even, and then reduce the color offset phenomenon of above-mentioned intersection, the display effect of display device can be improved.
Present invention also offers a kind of display device, this display device comprises display base plate as above.
Because display device provided by the present invention comprises display base plate as above, therefore, display device has the beneficial effect identical with display base plate, repeats no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the first display base plate of the prior art;
Fig. 2 is the structural representation of the second display base plate of the prior art;
Fig. 3 is the structural representation of the first display base plate in the embodiment of the present invention;
Fig. 4 is the structural representation of the second display base plate in the embodiment of the present invention;
Fig. 5 is light shield layer in the embodiment of the present invention and the set-up mode one of semi-transparent photosphere on display base plate;
Fig. 6 is light shield layer in the embodiment of the present invention and the set-up mode two of semi-transparent photosphere on display base plate;
Fig. 7 is light shield layer in the embodiment of the present invention and the set-up mode three of semi-transparent photosphere on display base plate;
Fig. 8 is the structural representation of the first the semi-transparent photosphere in the embodiment of the present invention;
Fig. 9 is the structural representation of the semi-transparent photosphere of the second in the embodiment of the present invention;
Figure 10 is the structural representation of the third the semi-transparent photosphere in the embodiment of the present invention;
Figure 11 is the structural representation of the third display base plate in the embodiment of the present invention;
Figure 12 is the structural representation of the 4th kind of display base plate in the embodiment of the present invention.
Description of reference numerals:
1-display base plate; 2-light shield layer; 3-semi-transparent photosphere;
301-Part I; 302-Part II; 4-array base palte;
5-color membrane substrates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of display base plate, as shown in Figure 3 and Figure 4, the non-display area that this display base plate 1 comprises viewing area and blocked by light shield layer 2, is provided with semi-transparent photosphere 3 at the intersection of non-display area and viewing area.
It should be noted that, above-mentioned viewing area refers to the region for display frame, and this viewing area not only comprises pixel, also comprises the lighttight region for dividing each pixel.In addition, above-mentioned semi-transparent photosphere 3 refers to the rete of light therethrough ability between full impregnated light and full shading.
Owing to being provided with semi-transparent photosphere 3 at the intersection of non-display area and viewing area, this semi-transparent photosphere 3 allows its light portion of directive to pass through, therefore, when the shape of the intersection of non-display area and viewing area is zigzag, the light sent due to the pixel that this intersection is corresponding can partly by semi-transparent photosphere 3, thus the intersection brightness contrast of viewing area and non-display area is weakened, and then make above-mentioned jagged boundary obfuscation, the display effect of display device can be improved; When the shape of the intersection of non-display area and viewing area is arcuation, due in the same pixel that above-mentioned intersection is corresponding, the light that sends of three sub-pixels all can part by semi-transparent photosphere 3, thus make the colour mixture of this pixel comparatively even, and then reduce the color offset phenomenon of above-mentioned intersection, the display effect of display device can be improved.
Particularly, light shield layer 2 and the set-up mode of semi-transparent photosphere 3 on display base plate 1 comprise following several:
Set-up mode one, as shown in Figure 5, display base plate 1 is array base palte, and light shield layer 2 and semi-transparent photosphere 3 are arranged at array base palte 4 towards on the face of color membrane substrates 5.Set-up mode two, as shown in Figure 6, display base plate 1 is color membrane substrates, and light shield layer 2 and semi-transparent photosphere 3 are arranged at color membrane substrates 5 towards on the face of array base palte 4; Set-up mode three, as shown in Figure 7, display base plate 1 is color membrane substrates, light shield layer 2 and semi-transparent photosphere 3 are arranged on the face of color membrane substrates 5 array base palte 4 dorsad, now, light shield layer 2 and semi-transparent photosphere 3 both can be located immediately on the underlay substrate of color membrane substrates 5, also can be positioned on the outermost rete of color membrane substrates 5.
In the above-described embodiments, the material of semi-transparent photosphere 3 can be identical with the material of light shield layer 2, also can be different, in order to simplify the preparation technology of display base plate, preferably, semi-transparent photosphere 3 is structure as a whole with light shield layer 2, and semi-transparent photosphere 3 and light shield layer 2 include light absorbent of the same race.Understand for the ease of those skilled in the art and implement, the embodiment of the present invention additionally provides the embodiment of following two kinds of semi-transparent photospheres 3:
Embodiment one, the content of the light absorbent in semi-transparent photosphere 3 is less than the content of the light absorbent in light shield layer 2, and the thickness of semi-transparent photosphere 3 is identical with the thickness of light shield layer 2.Due to when thickness is identical, the content of light absorbent is less, light-absorbing ability is more weak, therefore, the light-absorbing ability of semi-transparent photosphere 3 light-absorbing energy force rate light shield layer 2 is weak, thus make semi-transparent photosphere 3 that its light portion of directive can be allowed to pass through, realize the effect of partial light permeability.Further, because the light-absorbing ability of semi-transparent photosphere 3 becomes positively related relation with the content of light absorbent, namely in semi-transparent photosphere 3, the content of light absorbent is higher, the light-absorbing ability of semi-transparent photosphere 3 is stronger, therefore, by regulating the mode of the content of light absorbent in semi-transparent photosphere 3, the transmittance of semi-transparent photosphere 3 can also be regulated.In addition, light absorbent can be uniformly distributed in semi-transparent photosphere 3, also can non-uniform Distribution, such as, along non-display area to the direction of viewing area, the content of light absorbent in semi-transparent photosphere 3 can reduce gradually, increases gradually along non-display area to the direction of viewing area to make the transmittance of semi-transparent photosphere 3.Exemplarily, light shield layer 2 and semi-transparent photosphere 3 include resin material and in order to the carbon granule as light absorbent.
Embodiment two, as shown in Figure 8, the content of the light absorbent in semi-transparent photosphere 3 is identical with the light absorbent content in light shield layer 2, and the thickness of semi-transparent photosphere 3 is less than the thickness of light shield layer 2.When the content of light absorbent is identical, the thickness of semi-transparent photosphere 3 is less than the thickness of light shield layer 2, thus make the propagation distance of light in semi-transparent photosphere 3 be shorter than the propagation distance of light in light shield layer 2, and then make semi-transparent photosphere 3 light-absorbing can force rate light shield layer 2 light-absorbing ability weak, cause semi-transparent photosphere 3 to allow its light portion of directive to pass through.Further, because the thickness of semi-transparent photosphere 3 is larger, the propagation distance of light in semi-transparent photosphere 3 is longer, and the energy loss of light is larger, therefore, by regulating the mode of the thickness of semi-transparent photosphere 3, can also regulate the transmittance of semi-transparent photosphere 3.
Exemplarily, the thickness of semi-transparent photosphere 3 comprises following two kinds of situations: situation one, and as shown in Figure 8, along non-display area to the direction of viewing area, the thickness of semi-transparent photosphere 3 is identical; Situation two, as shown in Figure 9, along non-display area to the direction of viewing area, the thickness of semi-transparent photosphere 3 is thinning gradually.Wherein, when the thickness of semi-transparent photosphere 3 is situation two, exemplarily, the mode that the thickness of semi-transparent photosphere 3 is thinning gradually comprises following two kinds: mode one, as shown in Figure 9, semi-transparent photosphere 3 comprises the Part I 301 be connected with light shield layer 2 and the Part II 302 be connected with Part I 301, wherein, along non-display area to the direction of viewing area, the thickness of Part I 301 is decremented to the first thickness gradually from the thickness of light shield layer 2, along non-display area to the direction of viewing area, the thickness of Part II 302 is identical, and is the first thickness; Mode two, as shown in Figure 10, along non-display area to the direction of viewing area, the thickness of semi-transparent photosphere 3 is thinned to zero gradually from the thickness of light shield layer 2.Wherein, in Fig. 8, Fig. 9 and Figure 10, in the boundary line of light shield layer 2 and semi-transparent photosphere 3, semi-transparent photosphere 3, Part I 301 and the boundary line of Part II 302 are features of various piece for convenience of explanation, and in fact, above-mentioned various piece is all structure as a whole.
It should be noted that, the embodiment of semi-transparent photosphere 3 is not limited to above-mentioned several, and those skilled in the art can select as required, and the embodiment of the present invention is listed no longer one by one.
In order to improve the display effect of the intersection of non-display area and viewing area further, preferably, when the shape of the intersection of non-display area and viewing area is zigzag, in the same pixel that semi-transparent photosphere 3 blocks, the area that is blocked of three sub-pixels is identical.Exemplarily, as shown in Figure 3, in the same pixel that semi-transparent photosphere 3 blocks, the area of half that all has of three sub-pixels blocked by semi-transparent photosphere 3; Or as shown in figure 11, in the same pixel that semi-transparent photosphere 3 blocks, the entire area of three sub-pixels blocked by semi-transparent photosphere 3.Due in the same pixel that semi-transparent photosphere 3 blocks, the area that is blocked of three sub-pixels is identical, therefore, the intersection of non-display area and viewing area there will not be color offset phenomenon.
It should be noted that, when the shape of the intersection of non-display area and viewing area is zigzag, semi-transparent photosphere 3 can block a pixel in same pixel column, also can block the multiple pixels in same pixel column.When semi-transparent photosphere 3 blocks the multiple pixel in same pixel column, the transmittance of semi-transparent photosphere 3 can become large along non-display area to the direction of viewing area, thus make the brightness of semi-transparent photosphere 3 there is the process of a gradual change, and then the luminance transition between viewing area and non-display area can be made more natural, and then light shield layer 2 can be made better with the zigzag boundary blurring effect of viewing area, effectively can improve the display effect of display device.
Exemplarily, the design of the transmittance of the semi-transparent photosphere 3 near non-display area can be become 10%, the transmittance of the semi-transparent photosphere 3 near viewing area is designed to 70%, and the euphotic transmittance between above-mentioned two parts is between 10% ~ 70%.Wherein, the transmittance of semi-transparent photosphere 3 can become large gradually, also can stepwise become large, and such as, the transmittance of semi-transparent photosphere 3 can be increased to 40% from 10%, is then increased to 70% from 40%.It should be noted that, can being controlled by the thickness of the content or semi-transparent photosphere 3 that adjust the light absorbent in semi-transparent photosphere 3 of the transmittance of semi-transparent photosphere 3, carry out associated description before control method due to the transmittance of these two kinds semi-transparent photospheres 3, repeat no more herein.
Further, when light shield layer 2 and semi-transparent photosphere 3, the set-up mode on display base plate 1 is above-mentioned set-up mode two, semi-transparent photosphere 3 is structure as a whole with light shield layer 2, when semi-transparent photosphere 3 includes the light absorbent of the same race of same amount with light shield layer 2, light shield layer 2 can be prepared with semi-transparent photosphere 3 together with the black matrix on color membrane substrates 5, thus decrease the complicacy of technique, exemplarily, color membrane substrates 5 applies one deck black color photosensitive resin, semi-transparent mask plate is used to hide, wherein, with black matrix and light shield layer 2 corresponding position complete shading in semi-transparent mask plate, semi-transparent with semi-transparent photosphere 3 corresponding position, the complete printing opacity in other positions, black color photosensitive resin is exposed, after development, the black color photosensitive resin of black matrix and light shield layer 2 corresponding position retains completely, the black color photosensitive resin part of semi-transparent photosphere 3 corresponding position retains, the black color photosensitive resin of other positions is removed completely, and then define the light shield layer 2 of complete shading and the semi-transparent photosphere 3 that some light can be allowed to pass through.Therefore, in the embodiment of the present invention preferably, light shield layer 2 and semi-transparent photosphere 3 are above-mentioned set-up mode two at the set-up mode of display base plate 1, are arranged at color membrane substrates 5 towards on the face of array base palte 4 by light shield layer 2 and semi-transparent photosphere 3.
The embodiment of the present invention additionally provides a kind of display device, and this display device comprises above-described display base plate 1.The display device provided due to the embodiment of the present invention comprises display base plate 1 as above, and therefore, display device has the beneficial effect identical with display base plate 1, repeats no more herein.
As shown in figure 12, when the shape of the intersection of non-display area and viewing area is arc, in the pixel that semi-transparent photosphere 3 blocks, color filter layer is not set, thus the light making the pixel that semi-transparent photosphere 3 blocks send is uniform white light, and then light shield layer 2 and the color offset phenomenon of the intersection of viewing area can be eliminated, the display effect of display device can be improved.
It should be noted that, in prior art, when the shape of the intersection of non-display area and viewing area is arc, also can directly the color filter layer in pixel corresponding for above-mentioned intersection be removed, to solve the color offset phenomenon of above-mentioned intersection.But this solution can cause display device when display pure color picture (such as, red), shows white light, cause display effect not good in the pixel that above-mentioned intersection is corresponding owing to not having color filter layer.And the display device provided in the embodiment of the present invention, owing to being provided with semi-transparent photosphere 3 at the intersection of non-display area and viewing area, the brightness contrast of the white light of above-mentioned intersection can be weakened, improve the display effect of display device.In addition, when three sub-pixels in the same pixel that semi-transparent photosphere 3 blocks the area that blocks by semi-transparent photosphere 3 be more or less the same time, existence due to semi-transparent photosphere 3 can weaken the color offset phenomenon of the intersection of light shield layer 2 and viewing area largely, therefore, in this case, above-mentioned color filter layer also can retain.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a display base plate, the non-display area comprising viewing area and blocked by light shield layer, is characterized in that, is provided with semi-transparent photosphere at the intersection of described non-display area and described viewing area.
2. display base plate according to claim 1, is characterized in that, described semi-transparent photosphere and described light shield layer are structure as a whole, and described semi-transparent photosphere and described light shield layer include light absorbent of the same race.
3. display base plate according to claim 2, is characterized in that, the content of the light absorbent in described semi-transparent photosphere is identical with the light absorbent content in described light shield layer, and the thickness of described semi-transparent photosphere is less than the thickness of described light shield layer.
4. display base plate according to claim 3, is characterized in that, along described non-display area to the direction of described viewing area, the thickness of described semi-transparent photosphere is identical.
5. display base plate according to claim 3, is characterized in that, along described non-display area to the direction of described viewing area, the thickness of described semi-transparent photosphere is thinning gradually.
6. display base plate according to claim 2, is characterized in that, the content of the light absorbent in described semi-transparent photosphere is less than the content of the light absorbent in described light shield layer, and the thickness of described semi-transparent photosphere is identical with the thickness of described light shield layer.
7. display base plate according to claim 1, is characterized in that, the shape of the intersection of described non-display area and described viewing area is zigzag, and in the same pixel that described semi-transparent photosphere blocks, the area that is blocked of three sub-pixels is identical.
8. display base plate according to claim 1, is characterized in that, described display base plate is array base palte, and described light shield layer and described semi-transparent photosphere are arranged at described array base palte towards on the face of color membrane substrates; Or described display base plate is color membrane substrates, described light shield layer and described semi-transparent photosphere are arranged at described color membrane substrates towards on the face of array base palte; Or described light shield layer and described semi-transparent photosphere are arranged in the one side of described color membrane substrates array base palte dorsad.
9. a display device, is characterized in that, comprises the display base plate as described in any one of claim 1 ~ 9.
10. display device according to claim 9, is characterized in that, the shape of the intersection of described non-display area and described viewing area is arc, does not arrange color filter layer in the pixel that described semi-transparent photosphere blocks.
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