CN204557025U - Display panel - Google Patents
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- CN204557025U CN204557025U CN201520156474.5U CN201520156474U CN204557025U CN 204557025 U CN204557025 U CN 204557025U CN 201520156474 U CN201520156474 U CN 201520156474U CN 204557025 U CN204557025 U CN 204557025U
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Abstract
The utility model provides a kind of display panel, has a viewing area and is adjacent to a surrounding zone of viewing area, and comprise a first substrate, a second substrate, a light shield layer and a frame glue.Second substrate and first substrate are oppositely arranged.Light shield layer is arranged at first substrate, and has one first surface of contact contacted with first substrate, and the first surface of contact has one first edge away from viewing area.Frame glue arranges between first substrate and second substrate, and correspondingly with light shield layer to arrange, frame glue has two the second surface of contact respectively towards first substrate and second substrate, one of them of described second surface of contact has one second edge of contiguous viewing area, and the line edge roughness at the second edge is greater than the line edge roughness at the first edge.The display panel that the utility model provides can increase the adhesion of frame glue and substrate, and then reduces the chance that display medium leaks dew, also can reduce outside aqueous vapor and enter chance in display panel, and then improve the production reliability of display panel.
Description
Technical field
The utility model is about a kind of display panel, especially in regard to a kind of display panel had compared with high-reliability.
Background technology
Along with the progress of science and technology, two-d display panel is used in various field widely, because having that build is frivolous, low power consumption and the advantageous characteristic such as radiationless, gradually replace conventional cathode ray tube display device, and be applied in the electronic product of numerous species, such as mobile phone, portable multimedia device, notebook computer, LCD TV and LCD screen etc.
For liquid crystal indicator, liquid crystal indicator mainly comprises a display panel and a backlight module.Wherein, display panel mainly has a thin film transistor base plate (TFT substrate), a colored optical filtering substrates (CF substrate), and is located in the liquid crystal layer between two substrates.Wherein, in the manufacture process of known display panel, can such as in the surrounding coating frame glue of thin film transistor base plate, and liquid crystal is injected in frame glue, again under vacuum environment by after corresponding with colored optical filtering substrates for thin film transistor base plate bonding, frame glue is cured, to obtain a display panels.But, display panels produces liquid crystal molecule sometimes and to leak or the aqueous vapor of outside enters in display panel because the tackness between frame glue and substrate is not enough, thus cause the fiduciary level of product to decline.
Therefore, how to provide a kind of display panel, the tack strength of frame glue and substrate can be strengthened, and then improve the fiduciary level of product, become one of important topic.
Utility model content
Because above-mentioned problem, the purpose of this utility model for providing a kind of tack strength strengthening frame glue and substrate, and then improves the display panel of production reliability.
For reaching above-mentioned purpose, according to a kind of display panel of the present utility model, there is a viewing area and be located on a surrounding zone of periphery, viewing area, and comprising a first substrate, a second substrate, a light shield layer and a frame glue.Second substrate and first substrate are oppositely arranged.Light shield layer is arranged at first substrate, and correspondingly with surrounding zone arranges, and light shield layer has one first surface of contact contacted with first substrate, and the first surface of contact has one first edge away from viewing area.Frame glue arranges between first substrate and second substrate, and correspondingly with light shield layer to arrange, frame glue has two the second surface of contact respectively towards first substrate and second substrate, one of them of two described second surface of contact has one second edge of contiguous viewing area, and the line edge roughness at the second edge is greater than the line edge roughness at the first edge.
In one embodiment, display panel more comprises: a colored optical filtering substrates, and colored optical filtering substrates comprises first substrate and light shield layer.
In one embodiment, light shield layer has more the first side wall corresponding to non-display area, and frame glue has more one second sidewall of contiguous viewing area, and the surfaceness of the second sidewall is greater than the surfaceness of the first side wall.
In one embodiment, frame glue has more multiple accommodating bubble, and described multiple accommodating bubble is adjacent to the second sidewall.
In one embodiment, one of them of two described second surface of contact has more a pattern of indentations, and pattern of indentations presents latticed.
In one embodiment, the side of the contiguous viewing area of frame glue has multiple accommodating bubble.
In one embodiment, frame glue has more a sidewall of contiguous viewing area, and described multiple accommodating bubble is adjacent to sidewall.
In one embodiment, light shield layer has more a groove, and groove is corresponding with frame glue to be arranged.
In one embodiment, frame glue is located between first substrate and second substrate and forms a rectangle, and rectangle has at least one line part and at least one turning point, and the breadth extreme of turning point is greater than the breadth extreme of line part.
In one embodiment, first substrate has more away from edge, viewing area 1 the 3rd, and the first edge is between Second Edge edge and the 3rd edge.
In one embodiment, display panel, more comprises a display dielectric layer, and frame rubber seal is closed the periphery of first substrate and second substrate and forms an accommodation space, and display dielectric layer is arranged in accommodation space.
From the above, because of in display panel of the present utility model, light shield layer has the first surface of contact contacted with first substrate, and the first surface of contact has one first edge away from viewing area.In addition, frame glue is corresponding with light shield layer to be arranged, and frame glue has two the second surface of contact respectively towards first substrate and second substrate, one of them of two described second surface of contact has one second edge of contiguous viewing area, and the line edge roughness at the second edge is greater than the line edge roughness at the first edge.Line edge roughness by the second edge of frame glue is larger, relatively make the contact length of frame glue and substrate also longer, the adhesion of frame glue and substrate can be increased by this, and then reduce the chance that display medium leaks dew, also can reduce outside aqueous vapor and enter chance in display panel, and then improve the production reliability of display panel.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of a kind of display panel of the utility model preferred embodiment;
Fig. 2 is in Fig. 1, linearly the cross-sectional schematic of A-A;
Fig. 3 is in the display panel of Fig. 1, the enlarged diagram of region A;
Fig. 4 is the cross-sectional schematic of the display panel of another enforcement aspect of the utility model;
Fig. 5 is the schematic diagram of a kind of display device of the utility model preferred embodiment.
Embodiment
Hereinafter with reference to correlative type, the display panel according to the utility model preferred embodiment is described, wherein identical element is illustrated with identical reference marks.
Please refer to shown in Fig. 1 to Fig. 3, wherein, Fig. 1 is the schematic top plan view of a kind of display panel 1 of the utility model preferred embodiment, and Fig. 2 is in Fig. 1, linearly the cross-sectional schematic of A-A, and Fig. 3 is in the display panel 1 of Fig. 1, the enlarged diagram of region A.
As shown in Figure 1, display panel 1 has a viewing area AA (Active area) and is located on a surrounding zone BB of AA periphery, viewing area.In this, when namely viewing area AA overlooks display panel 1, light can through the region of display panel 1, and with show image picture, and surrounding zone BB is located on the region that AA peripheral and light in viewing area cannot penetrate.
As shown in Figure 2, display panel 1 comprises first substrate 11, second substrate 12 and a display dielectric layer 15.In addition, display panel 1 more comprises light shield layer 13 and a frame glue 14.
First substrate 11 is relative with second substrate 12 and establish, and display dielectric layer 15 is then folded between first substrate 11 and second substrate 12.Wherein, display panel 1 can be a display panels or an organic LED display panel.In this, display panel 1 is for display panels, therefore display dielectric layer 15 is a liquid crystal layer.But; if when display panel 1 is an organic LED display panel; then display dielectric layer 15 can be an Organic Light Emitting Diode layer, and first substrate 11 can be a protective substrate (Cover plate), with the pollution protecting Organic Light Emitting Diode layer not to be subject to extraneous aqueous vapor or foreign matter.
First substrate 11 or second substrate 12 can be made by light-permeable material, and its material is such as glass, quartz or analog, plastic cement, rubber, glass fibre or other macromolecular materials; Or first substrate 11 or second substrate 12 also can be made by light tight material, and be such as metal-glass fiber composite plate, metal-ceramic composite plate, or printed circuit board (PCB), or other material.In the present embodiment, first substrate 11 and the material of second substrate 12 are all for the glass of light-permeable.
Light shield layer 13 is arranged on first substrate 11, and correspondingly with surrounding zone BB arranges.In the present embodiment, by when overlooking display panel 1 above first substrate 11, light shield layer 13 at least covers most surrounding zone BB (Fig. 1 does not show light shield layer 13, and Fig. 3 shows the edge of each element and the relative position of viewing area AA, but does not show second substrate 12).Light shield layer 13 can be a black matrix" (black matrix), and makes for light tight material, such as, be metal or resin, and metal such as can be chromium, chromium oxide or nitrogen oxygen chromium compound.Because light shield layer 13 is light tight material, therefore can form lighttight region (i.e. surrounding zone BB) on first substrate 11, and then define the region (i.e. viewing area AA) of light-permeable.
In addition, the display panel 1 of the present embodiment more can comprise a filter layer 16, and filter layer 16 is arranged on first substrate 11, and correspondingly with viewing area AA arranges.Filter layer 16 such as can comprise a red filter portion, a green filter portion and a blue filter portion, and its material is light-permeable material, and such as can be pigment or dyestuff.In the present embodiment, light shield layer 13 and filter layer 16 can be contained in a colour filter array and be arranged on first substrate 11, make the first substrate 11 comprising colour filter array become a colored optical filtering substrates.In addition, a thin film transistor (TFT) array (figure does not show) is arranged on second substrate 12, makes the second substrate 12 comprising thin film transistor (TFT) array become a thin film transistor base plate.But, in other examples, light shield layer 13 and filter layer 16 also can be arranged on second substrate 12 respectively, become a BOA (BM on array) substrate, or become a COA (color filter on array) substrate, do not limited.
Frame glue 14 is arranged between first substrate 11 and second substrate 12, and closes the periphery between first substrate 11 and second substrate 12.In this, frame glue 14 is corresponding with light shield layer 13 to be arranged, and frame glue 14 is between second substrate 12 and light shield layer 13, therefore when overlooking the display panel 1 of the present embodiment, frame glue 14 is blocked layer 13 covered.Frame glue 14 can be heat-curable glue, optic-solidified adhesive or its combination.With frame glue 14 for optic-solidified adhesive (such as UV glue) in the present embodiment, and such as but not limited to being located on the periphery of first substrate 11 and second substrate 12 in air for coating method.In addition, frame glue 14 can form an accommodation space (scheming not indicate) with first substrate 11 and second substrate 12, and display dielectric layer 15 can be arranged in this accommodation space.In this, such as but not limited to inserting with the formula injection method that drips (One Drop Filling, ODF) in accommodation space that liquid crystal molecule encloses to frame glue 14.
In addition, at least one sept (spacer) 17 is arranged between first substrate 11 and second substrate 12, and correspondence is positioned at surrounding zone BB (Fig. 1 and Fig. 3 does not show).Wherein, the material of sept 17 can be the photonasty photoresists such as resene, silicates or glass fibre class, does not limit.The gap between first substrate 11 and second substrate 12 can be maintained by sept 17, liquid crystal molecule can be filled in accommodation space.In addition, display panel 1 more can comprise multiple sweep trace and multiple data line (scheming not show), and described sweep trace and described data line are crisscross arranged and define multiple pixel.Therefore, the described thin film transistor (TFT) conducting that each sweep trace can be made respectively corresponding when the described sweep trace of display panel 1 receives one scan signal, and a data-signal of every for correspondence one-row pixels is sent to corresponding described pixel by described data line, make display panel 1 picture capable of displaying image.
Shown in Fig. 2 and Fig. 3, the light shield layer 13 that correspondence is arranged at surrounding zone BB has one first surface of contact 131 contacted with first substrate 11, and the first surface of contact 131 has the one first edge L1 away from viewing area AA.In addition, frame glue 14 has two the second surface of contact 141,142 respectively towards first substrate 11 and second substrate 12, and one of them of described second surface of contact 141,142 has the one second edge L2 of contiguous viewing area AA.In this, second edge L2 is the line edge that frame glue 14 contacts the second surface of contact 141 of light shield layer 13, and the straight line that the second edge L2 is not level and smooth, the line edge roughness (Lineedge roughness, LER) of the second edge L2 of the second surface of contact 141 is made to be greater than the line edge roughness of the first edge L1 of the first surface of contact 131.Wherein, the larger expression of line edge roughness described line edge is more unsmooth and have bending lines.Preferably, the line edge roughness at second edge (sign) of the second edge L2 towards the second surface of contact 141 of first substrate 11 and the second surface of contact 142 towards second substrate 12 is all greater than the line edge roughness of the first edge L1 of the first surface of contact 131.Because the line edge roughness of the second edge L2 of frame glue 14 is larger, relatively make frame glue 14 also longer with the contact length of substrate, the adhesion of frame glue 14 and first substrate 11 and second substrate 12 can be increased by this, and then improve the sealing of display panel 1, and frame glue 14 is comparatively strong with the adhesion of two substrates, also can reduces outside aqueous vapor and enter chance in display panel 1.
Except the feature of above-mentioned " line edge roughness of the second edge L2 is greater than the line edge roughness of the first edge L1 ", the display panel 1 of the present embodiment more can have following feature: first substrate 11 has more away from viewing area AA 1 the 3rd edge L3, and the first edge L1 of light shield layer 13 is between the second edge L2 and the 3rd edge L3.But, in various embodiments, the first edge L1 of light shield layer 13 also can trim with the 3rd edge L3.In addition, frame glue 14 more can have the 4th edge L4 away from viewing area AA, and preferably, the line edge roughness of the 4th edge L4 is greater than the line edge roughness of the first edge L1 of the first surface of contact 131 too, by this, more can improve the contact length of frame glue 14 and first substrate 11 (and second substrate 12) and improve its adhesion.
In addition, shown in Fig. 2, light shield layer 13 has more the first side wall S1 corresponding to non-display area BB, and frame glue 14 has more the one second sidewall S2 of contiguous viewing area AA, and the surfaceness of the second sidewall S2 is greater than the surfaceness of the first side wall S1.In other words, in fig. 2, the line edge roughness of the second edge L2 of frame glue 14 is greater than the line edge roughness of the first edge L1 of light shield layer 13, and the surfaceness of the second sidewall S2 is also greater than the surfaceness of the first side wall S1 of light shield layer 13.In addition, in the frame glue 14 of Fig. 2, another sidewall (i.e. the lateral wall of frame glue 14) relative with the second sidewall S2 also has coarse surface, and the surfaceness of another sidewall above-mentioned is also greater than the surfaceness of the first side wall S1 of light shield layer 13.
In addition, one of them of described second surface of contact 141,142 has more a pattern of indentations P, and pattern of indentations P presents latticed.As shown in Figure 3, the pattern of indentations P of the present embodiment is positioned at the side of the second surface of contact 141 away from viewing area AA.In this, pattern of indentations P is deliberately formed, and it can be the fan-out that frame glue 14 is pressed in circuit and formed, and preferably is latticed, more can increase the adhesion of frame glue 14 and substrate by latticed pattern of indentations P.
In addition, the side of the contiguous viewing area AA of frame glue 14 can have multiple accommodating bubble B (as shown in Figure 3, Fig. 2 does not show accommodating bubble B), and described multiple accommodating bubble B is adjacent to the second sidewall S2 of frame glue 14.Material accommodating in accommodating bubble B is not identical with frame glue 14.In this, in accommodating bubble B, accommodating material such as can be liquid crystal molecule.The Crack cause of accommodating bubble B can be: when inserting in the accommodation space that liquid crystal molecule encloses to frame glue 14, the liquid crystal molecule of few part will infiltrate in frame glue 14, to form described multiple accommodating bubble B, the second edge L2 of frame glue 14 and the second sidewall S2 is made to form coarse surface by this.
In addition, shown in Fig. 1, frame glue 14 is located in the shape (i.e. the accommodation space of rectangle) forming a similar rectangle between first substrate 11 and second substrate 12, and this rectangle has at least one line part 143 and at least one turning point 144.In this, there are four line parts 143 and four turning points 144, and the breadth extreme d1 of turning point 144 is greater than the breadth extreme d2 (d1 > d2) of line part 143.Breadth extreme d1 due to turning point 144 is greater than the breadth extreme d2 of line part 143, makes under equal length, and the area of turning point 144 is comparatively large, can increase turning point 144 and the contact area of two substrates by this and can increase the adhesion of turning point.
Please refer to shown in Fig. 4, it is the cross-sectional schematic of the display panel 1a of another enforcement aspect of the utility model.
Be from main different of the display panel 1 of Fig. 2, the light shield layer 13 of display panel 1a has more a groove U, and groove U is corresponding with frame glue 14 to be arranged.In this, to have two groove U.Preferably, groove U corresponds to surrounding zone BB and is located on the periphery of viewing area AA, and frame glue 14 is inserted in described groove U.In other words, the groove U on the light shield layer 13 of display panel 1a may correspond in frame glue 14 that ring establishes a circle, blocks aqueous vapor by this and enters in the AA of viewing area by the outside of light shield layer 13, increases the tack strength of frame glue 14 and light shield layer 13 simultaneously.In addition, when the setting of groove U is for assembling first substrate 11 and second substrate 12, if also have the effect of blocking-up when the outside of the past substrate of frame glue 14 is moved.
In addition, the technical characteristic of other element of display panel 1a can refer to the similar elements of display panel 1, repeats no more.
In addition, please refer to shown in Fig. 5, it is the schematic diagram of a kind of display device 2 of the utility model preferred embodiment.
Display device 2 comprises display panel 3 and a backlight module 4 (Backlight Module), and display panel 3 and backlight module 4 are oppositely arranged.The display device 2 of the present embodiment is a liquid crystal indicator, and display panel 3 comprises above-mentioned display panel 1 or one of them of 1a, or its change aspect, and much more no longer concrete technology contents can refer to above-mentioned, to explain.When the light E that backlight module 4 sends is through display panel 3, can pass through each pixel display color of display panel 3 and form image.
In sum, because of in display panel of the present utility model, light shield layer has the first surface of contact contacted with first substrate, and the first surface of contact has one first edge away from viewing area.In addition, frame glue is corresponding with light shield layer to be arranged, and frame glue has two the second surface of contact respectively towards first substrate and second substrate, one of them of described second surface of contact has one second edge of contiguous viewing area, and the line edge roughness at the second edge is greater than the line edge roughness at the first edge.Line edge roughness by the second edge of frame glue is larger, relatively make the contact length of frame glue and substrate also longer, the adhesion of frame glue and substrate can be increased by this, and then reduce the chance that display medium leaks dew, also can reduce outside aqueous vapor and enter chance in display panel, and then improve the production reliability of display panel.
The foregoing is only illustrative, but not be restricted.Anyly do not depart from spirit of the present utility model and category, and to its equivalent modifications of carrying out or change, all should be included in claim.
Claims (10)
1. a display panel, is characterized in that, described display panel has a viewing area and is located on a surrounding zone of periphery, described viewing area, and comprises:
One first substrate;
One second substrate, is oppositely arranged with described first substrate;
One light shield layer, is arranged at described first substrate, and correspondingly with described surrounding zone arranges, and described light shield layer has one first surface of contact contacted with described first substrate, and described first surface of contact has one first edge away from described viewing area; And
One frame glue, arrange between described first substrate and described second substrate, and correspondingly with described light shield layer to arrange, described frame glue has two the second surface of contact respectively towards described first substrate and described second substrate, one of them of two described second surface of contact has one second edge being close to described viewing area, and the line edge roughness at described second edge is greater than the line edge roughness at described first edge.
2. display panel according to claim 1, is characterized in that, described display panel more comprises:
One colored optical filtering substrates, described colored optical filtering substrates comprises described first substrate and described light shield layer.
3. display panel according to claim 1, it is characterized in that, described light shield layer has more the first side wall corresponding to non-display area, described frame glue has more one second sidewall of contiguous described viewing area, and the surfaceness of described second sidewall is greater than the surfaceness of described the first side wall.
4. display panel according to claim 3, is characterized in that, described frame glue has more multiple accommodating bubble, and described multiple accommodating bubble is adjacent to described second sidewall.
5. display panel according to claim 1, is characterized in that, one of them of two described second surface of contact has more a pattern of indentations, and described pattern of indentations presents latticed.
6. display panel according to claim 1, is characterized in that, the side of the contiguous described viewing area of described frame glue has multiple accommodating bubble.
7. display panel according to claim 1, is characterized in that, described light shield layer has more a groove, and described groove is corresponding with described frame glue to be arranged.
8. display panel according to claim 1, it is characterized in that, described frame glue is located between described first substrate and described second substrate and forms a rectangle, described rectangle has at least one line part and at least one turning point, and the breadth extreme of described turning point is greater than the breadth extreme of described line part.
9. display panel according to claim 1, is characterized in that, described first substrate has more away from edge, described viewing area 1 the 3rd, and described first edge is between described second edge and described 3rd edge.
10. display panel according to claim 1, is characterized in that, described display panel more comprises:
One display dielectric layer, described frame rubber seal is closed the periphery of described first substrate and described second substrate and forms an accommodation space, and described display dielectric layer is arranged in described accommodation space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520156474.5U CN204557025U (en) | 2015-03-19 | 2015-03-19 | Display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520156474.5U CN204557025U (en) | 2015-03-19 | 2015-03-19 | Display panel |
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| CN204557025U true CN204557025U (en) | 2015-08-12 |
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| CN201520156474.5U Active CN204557025U (en) | 2015-03-19 | 2015-03-19 | Display panel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033163A (en) * | 2015-03-19 | 2016-10-19 | 群创光电股份有限公司 | Display panel |
| CN109285452A (en) * | 2017-07-19 | 2019-01-29 | 群创光电股份有限公司 | Show equipment with and preparation method thereof |
| WO2020107679A1 (en) * | 2018-11-29 | 2020-06-04 | 武汉华星光电技术有限公司 | Display panel and display apparatus |
-
2015
- 2015-03-19 CN CN201520156474.5U patent/CN204557025U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033163A (en) * | 2015-03-19 | 2016-10-19 | 群创光电股份有限公司 | Display panel |
| CN106033163B (en) * | 2015-03-19 | 2024-02-09 | 群创光电股份有限公司 | Display panel |
| CN109285452A (en) * | 2017-07-19 | 2019-01-29 | 群创光电股份有限公司 | Show equipment with and preparation method thereof |
| WO2020107679A1 (en) * | 2018-11-29 | 2020-06-04 | 武汉华星光电技术有限公司 | Display panel and display apparatus |
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