CN207937736U - A kind of display base plate, display panel and display device - Google Patents
A kind of display base plate, display panel and display device Download PDFInfo
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- CN207937736U CN207937736U CN201820411254.6U CN201820411254U CN207937736U CN 207937736 U CN207937736 U CN 207937736U CN 201820411254 U CN201820411254 U CN 201820411254U CN 207937736 U CN207937736 U CN 207937736U
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Abstract
The utility model discloses a kind of display base plate, display panel and display devices.Display base plate includes substrate, conductive film and special-shaped film, and conductive film is located at the side of substrate, and special-shaped film is located at surface of the conductive film far from substrate side, and conductive film is for exporting electrostatic；The first edge of special-shaped film is formed with an at least recess portion, and recess portion extends to the viewing area of display base plate, exposed portion conductive film, and recess portion is located at the region for point silver paste, conductive film on conductive film and is electrically connected to ground terminal by silver paste.The utility model can both solve the Edge Distance color membrane substrates of upper polaroid edge it is too close when, silver paste is accessible to the problem of upper surface of upper polaroid, when can improve the edge of the Edge Distance color membrane substrates of upper polaroid again too far, the problem of edge of upper polaroid is easy to happen light leakage, it realizes in the case where ensureing the contact area of silver paste and conductive film, not only the upper surface of upper polaroid can be reached to avoid silver paste, but also can improve the leakage problem of display panel.
Description
Technical field
The utility model embodiment is related to a kind of display technology field more particularly to display base plate, display panel and display
Device.
Background technology
During the making of liquid crystal display device and use, easy tos produce electrostatic and be gathered in color membrane substrates, work as electrostatic
Accumulation will generate electrostatic field to a certain extent, and this electrostatic field can interfere the electric field of LCD display intralamellar part liquid crystal molecule,
And then cause to show that picture is abnormal.In turn, it shields or elimination extraneous static is extremely important to liquid crystal display device.
In the prior art, it is equipped with conductive film in the upper surface of color membrane substrates, by silver paste by conductive film and array substrate
On ground terminal electrical connection, to achieve the effect that prevent electrostatic.In general, conductive film is attached at the upper polaroid of color membrane substrates
Lower surface, to the edge of color membrane substrates, there are certain distances at the edge of upper polaroid, to expose the area of underlying conductive film spot silver paste
Domain.But when the edge of the Edge Distance color membrane substrates of upper polaroid is too close, silver paste is accessible to the upper surface of upper polaroid, covers
It covers in upper polaroid, at this point, when the upper surface of upper polaroid attaches cover-plate glass, it may appear that cover-plate glass attaches out-of-flatness
The problem of；Moreover, silver paste and the contact area of conductive film are smaller, conductive effect is influenced, lead to conductive film and is grounded end in contact not
It is good.In addition, when the edge of the Edge Distance color membrane substrates of upper polaroid too far when, be easy to happen leakage at the edge of upper polaroid
Light influences display effect.
Utility model content
In view of this, the purpose of this utility model is a kind of display base plate of proposition, display panel and display device, to protect
In the case of demonstrate,proving silver paste and the contact area of conductive film, not only the upper surface of upper polaroid can be reached to avoid silver paste, but also can change
The leakage problem of kind display panel.
To achieve the above object, the utility model adopts the following technical solution：
In a first aspect, the utility model embodiment provides a kind of display base plate, including substrate, conductive film and special-shaped film,
Wherein, conductive film is located at the side of substrate, and special-shaped film is located at surface of the conductive film far from substrate side, and conductive film is quiet for exporting
Electricity；
The first edge of special-shaped film is formed with an at least recess portion, and recess portion extends to the viewing area of display base plate, exposed portion
Conductive film, recess portion are located at the region for silver paste, conductive film on conductive film and are electrically connected to ground terminal by silver paste.
Further, upright projection of the special-shaped film on conductive film is located in conductive film, and conductive film is with special-shaped film in conduction
The nonoverlapping part of upright projection on film is located at the non-display area of display base plate.
Further, the maximum normal distance of recess portion to crack line is greater than or equal to 0.25mm, crack line and display base plate
It is overlapped close to the side of first edge.
Further, the maximum normal distance of recess portion to crack line is equal to 0.3mm.
Further, the minimum perpendicular distance of the first edge part in addition to recess portion to crack line is greater than or equal to
0.1mm。
Further, the vertical range of part of the first edge in addition to recess portion to crack line is equal to 0.15mm.
Further, display base plate is color membrane substrates.
Further, special-shaped film includes upper polaroid, and upper polaroid fits in the surface of color membrane substrates.
Further, the shape of recess portion is rectangle, arc or triangle.
Second aspect, the utility model embodiment provide a kind of display panel, including aobvious described in above-mentioned first aspect
Show substrate.
Further, display panel includes the array substrate being oppositely arranged and color membrane substrates, and is filled in array substrate
Electrooptical material between color membrane substrates, wherein color membrane substrates are display base plate.
Further, color membrane substrates and array substrate are formed with step at crack line, to be formed not in array substrate
The stepped region covered by color membrane substrates；
The stepped region of array substrate is provided with connection gasket, and the conductive film on color membrane substrates is electrically connected to array by connection gasket
Ground terminal on substrate, wherein silver paste continuously covers the part for the recess portion that conductive film is located in the first edge of special-shaped film, color film
The part of the side corresponding recess of substrate and part or all of connection gasket.
Further, silver paste is located at thickness of the thickness less than or equal to special-shaped film of the part on conductive film.
Further, the upright projection of recess portion plane where connection gasket projects for recess portion, and recess portion is projected in color membrane substrates
Side upright projection and connection gasket in the perpendicular projection of the side of color membrane substrates or all Chong Die.
Further, display panel is that plane conversion IPS liquid crystal display panels or super fringe field convert AFFS liquid crystal
Display panel.
The third aspect, the utility model embodiment additionally provide a kind of display device, including described in above-mentioned second aspect
Display panel and the encapsulated layer for fitting in display panel light-emitting surface.
The utility model has the beneficial effects that：Display base plate, display panel and display device provided by the utility model are led to
The first edge crossed in special-shaped film forms an at least recess portion, and recess portion extends to the viewing area of display base plate, and exposed portion is conductive
Film can make the first edge of special-shaped film be only located at the edge of the partial distance display base plate of recess portion farther out, and the of special-shaped film
The edge of partial distance display base plate of one edge in addition to positioned at recess portion is closer；And recess portion is located on the conductive film and is used for
The region of point silver paste, therefore, the region for putting silver paste can be sufficiently large, ensure that silver paste and the contact area of conductive film, and is convenient for
Point silver paste can effectively prevent silver paste to diffuse to the upper surface (i.e. surface of the special-shaped film far from substrate side) of special-shaped film；In addition, different
The edge of partial distance display base plate of the first edge of shape film in addition to positioned at recess portion is closer, and display base plate can be completely covered
Viewing area or light-emitting zone, and then the leakage problem of display panel can be improved.
Description of the drawings
The exemplary embodiment of the utility model will be described in detail by referring to accompanying drawing below, make the ordinary skill of this field
Personnel become apparent from the above-mentioned and other feature and advantage of the utility model, in attached drawing：
Fig. 1 is a kind of dimensional structure diagram of existing display panel；
Fig. 2 is the cross-sectional view in the directions A1-A2 along Fig. 1；
Fig. 3 is the dimensional structure diagram of existing another display panel；
Fig. 4 is the dimensional structure diagram for the display base plate that the utility model embodiment provides；
Fig. 5 is the planar structure schematic diagram for the display base plate that the utility model embodiment provides；
Fig. 6 is the planar structure schematic diagram for the special-shaped film of another kind that the utility model embodiment provides；
Fig. 7 is the planar structure schematic diagram for another special-shaped film that the utility model embodiment provides；
Fig. 8 is the dimensional structure diagram for the display panel that the utility model embodiment provides；
Fig. 9 is the cross-sectional view in the directions B1-B2 along Fig. 8.
Specific implementation mode
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It can manage
Solution, specific embodiment described herein are used only for explaining the utility model, rather than the restriction to the utility model.Separately
It is outer it should also be noted that, illustrating only for ease of description, in attached drawing and the relevant part of the utility model and not all knot
Structure.
Fig. 1 is a kind of dimensional structure diagram of existing display panel；Fig. 2 is the section knot in the directions A1-A2 along Fig. 1
Structure schematic diagram；Fig. 3 is the dimensional structure diagram of existing another display panel.As shown in Figure 1, the display panel includes phase
To the color membrane substrates 1 and array substrate 2 of setting, conductive film that surface of the color membrane substrates 1 far from 2 side of array substrate is stacked
3 and upper polaroid 41, and be set in array substrate 2 not by the connection gasket 5 of 1 covering part of color membrane substrates, conductive film 3 passes through
Connection gasket 5 is electrically connected to ground terminal, to eliminate the electrostatic of 1 surface of color membrane substrates generation.In general, upper polaroid 41 is rectangle, on
Polaroid 41 has certain distance close to the edge of connection gasket 5 to the edge of color membrane substrates 1, exposes 41 lower surface of upper polaroid
Conductive film 3, to put silver paste on conductive film 3.It is upper inclined in structure shown in FIG. 1 in view of the effective display area of display panel
Distance d1 of the mating plate 41 close to the edge of connection gasket 5 to the edge of color membrane substrates 1 is closer, at this point, with reference to figure 2, in the portion of exposing
When dividing on conductive film 3 and putting silver paste 6 on connection gasket 5, silver paste 6 is easy to be diffused into the upper surface of upper polaroid 41, adheres to
The upper surface of polaroid 41, in the subsequently technique of patch cover-plate glass, it may appear that cover-plate glass attaches the problem of out-of-flatness.For
The problem, distance of the prior art to upper polaroid close to the edge at the edge of connection gasket to color membrane substrates are adjusted.Such as
Shown in Fig. 3, upper polaroid 41 close to the edge of connection gasket 5 to the edge of color membrane substrates 1 distance d2 (d2 be more than d1) farther out, this
When silver paste can be prevented to be diffused into the upper surface of upper polaroid 41 there are the region of sufficiently large point silver paste；But the situation
Under, light leakage can all occur close to the entire edge of connection gasket in upper polaroid, seriously affect the display effect of display panel.Needle
To the above problem, the utility model embodiment provides a kind of display base plate, display panel and display device.
Fig. 4 is the dimensional structure diagram for the display base plate that the utility model embodiment provides；Fig. 5 is the utility model reality
The planar structure schematic diagram of the display base plate of example offer is provided.The display base plate can be eliminated and especially show base inside display base plate
The electrostatic that plate surface generates.With reference to figure 4 and Fig. 5, the display base plate of the present embodiment includes substrate 10, conductive film 3 and special-shaped film 4,
Wherein, conductive film 3 is located at the side of substrate 10, and special-shaped film 4 is located at surface of the conductive film 3 far from 10 side of substrate, and conductive film 3 is used
In export electrostatic；
The first edge 401 of special-shaped film 4 is formed with an at least recess portion 11, and recess portion 11 extends to the viewing area of display base plate,
Exposed portion conductive film 3, recess portion 11 are located at the region for silver paste on conductive film 3, and conductive film 3 is electrically connected to by silver paste to be connect
Ground terminal.
In the present embodiment, special-shaped film 4 is any film layer that can lead to edge light leakage in display base plate, as long as point need to be used
Conductive film 3 is electrically connected to ground terminal by the technique of silver paste；The ground terminal can be set on the display base plate, can also be set
It is placed on other substrates for being subsequently formed display panel, the present embodiment is not restricted this.The material of conductive film 3 can be oxidation
Indium tin can reduce the loss of light because tin indium oxide is transparent material, be influenced on display brightness smaller.
In said program, since the region of the actual point silver paste on conductive film 3 is smaller, recess portion 11 is in first edge 401
On length it is also shorter, even if therefore very little if influence of the light leakage to display effect, and then the one of recess portion 11 occur at recess portion 11
Part may extend to viewing area, to further increase the contact area of silver paste and conductive film 3, reduce contact impedance, improve conductive
Effect avoids conductive film 3 and ground terminal poor contact.
It should be noted that the shape of above-mentioned recess portion 11 can be regular shape or irregular shape, optionally, recess portion 11
Shape can be rectangle (with reference to figure 5), arc (with reference to figure 6) or triangle (with reference to figure 7).Obviously, in the present embodiment, recessed
Portion 11 arrives the maximum normal distance L1 of crack line 301, is more than part of the first edge 401 in addition to recess portion 11 to crack line 301
Minimum perpendicular distance L2 (for global shape be rectangle special-shaped film, herein minimum perpendicular distance be vertical range), wherein
Crack line 301 is overlapped with display base plate close to the side of first edge 401.In actual process, can farthest it compress
Part of the first edge 401 in addition to recess portion 11 to avoid light leakage completely, and increases display to the vertical range of crack line 301
The effective display area of substrate.
Display base plate provided in this embodiment, by special-shaped film first edge formed an at least recess portion, and recess portion to
The viewing area of display base plate extends, exposed portion conductive film, can make the first edge of special-shaped film be only located at the part of recess portion away from
Edge from display base plate farther out, and the edge of partial distance display base plate of the first edge of special-shaped film in addition to positioned at recess portion
It is relatively close；And recess portion is located at the region on the conductive film for point silver paste, and therefore, the region for putting silver paste can be sufficiently large, protects
Silver paste and the contact area of conductive film have been demonstrate,proved, and convenient for a silver paste, silver paste can have been effectively prevent to diffuse to the upper surface of special-shaped film；Separately
Outside, the edge of partial distance display base plate of the first edge of special-shaped film in addition to positioned at recess portion is closer, can be completely covered aobvious
Show viewing area or the light-emitting zone of substrate, and then the leakage problem of display panel can be improved.
It in actual process, is limited by technique, upright projection of the special-shaped film 4 on conductive film 3 is located in conductive film 3 (ginseng
Examine Fig. 5), one section of conductive film 3 is being reserved close to the region of crack line 301 at this point, being equivalent to, moreover, conductive film 3 and special-shaped film
The nonoverlapping part of 4 upright projection on conductive film 3 is located at the non-display area of display base plate, therefore, can avoid display base
In the case that light leakage occurs for plate, increase the contact area of conductive film 3 and silver paste.
Optionally, it can be based on above-described embodiment with continued reference to Fig. 5, recess portion 11 arrives the maximum normal distance L1 of crack line 301
More than or equal to 0.25mm, illustratively, the maximum normal distance of recess portion 11 to crack line is equal to 0.3mm.
Optionally, the minimum perpendicular distance of first edge 401 part in addition to recess portion 11 to crack line 301 is more than or waits
In 0.1mm.Illustratively, when the global shape of special-shaped film 4 is rectangle, part of the first edge 401 in addition to recess portion 11 is to cutting
The vertical range for splitting line 301 is equal to 0.15mm.
For liquid crystal display panel, it is contemplated that LCD display intralamellar part can be interfered by being gathered in the electrostatic on color membrane substrates surface
The electric field of liquid crystal molecule causes to show that picture is abnormal.Therefore, the display base plate in the various embodiments described above can be color membrane substrates.
Correspondingly, to eliminate the electrostatic on color membrane substrates surface, special-shaped film includes upper polaroid, and upper polaroid fits in color membrane substrates
Surface.
The utility model embodiment additionally provides the display base plate in a kind of display panel, including any of the above-described embodiment.
Optionally, as shown in Figure 8 and Figure 9, display panel includes the array substrate 2 being oppositely arranged and color membrane substrates 1, and
The electrooptical material (not shown) being filled between array substrate 2 and color membrane substrates 1, wherein color membrane substrates 1 are above-mentioned implementation
Display base plate in example, i.e. color membrane substrates 1 include substrate 10, conductive film 3 and special-shaped film 4, wherein conductive film 3 is located at substrate 10
Side, special-shaped film 4 is located at surface of the conductive film 3 far from 10 side of substrate, and optionally, special-shaped film 4 is upper polaroid, is attached at
The upper surface of color membrane substrates 1.
Optionally, step is formed at crack line with continued reference to Fig. 8 and Fig. 9, color membrane substrates 1 and array substrate 2, with
The stepped region 100 not covered by color membrane substrates 1 is formed in array substrate 2；The stepped region 100 of array substrate 2 is provided with connection gasket
5, the conductive film 3 on color membrane substrates 1 is electrically connected to the ground terminal in array substrate by connection gasket 5, wherein silver paste 6 is continuously covered
Lid conductive film 3 be located at the part of the recess portion 11 in the first edge of special-shaped film 4, color membrane substrates 1 side corresponding recess 11 portion
Point and part or all of connection gasket 5.
Optionally, with reference to figure 9, silver paste 6 is located at thickness of the thickness less than or equal to special-shaped film of the part on conductive film 3.
After the completion of putting silver paste technique, the thickness that final cured silver paste 6 is located at the part on conductive film 3 is less than or equal to special-shaped film 4
Thickness, and then reflect the recess portion being arranged on the first edge and can ensure the contact area of silver paste 6 and conductive film 3, avoid
Silver paste 6 diffuses to the upper surface of special-shaped film 4；And silver paste 6 is located at the thickness of the part on conductive film 3 less than or equal to special-shaped film
Thickness, further improve cover-plate glass fitting planarization.
Optionally, the upright projection of recess portion plane where connection gasket projects for recess portion, and recess portion is projected in color membrane substrates
The upright projection of side is Chong Die in the perpendicular projection of the side of color membrane substrates or whole with connection gasket.It can reduce as a result, a little
The amount of silver paste shortens electrostatic and conducts distance, reduces transfer impedance, electrostatic is made well to discharge.Optionally, recess portion is projected in color film base
The upright projection of the side of plate is located at connection gasket in the upright projection of the side of color membrane substrates or connection gasket is in color membrane substrates
The upright projection of side is located in the upright projection for the side that recess portion is projected in color membrane substrates or recess portion is projected in color membrane substrates
Upright projection of the upright projection of side with connection gasket in the side of color membrane substrates is completely superposed.
Optionally, it is contemplated that plane conversion (In-Plane Switching, IPS) liquid crystal display panel and super edge electricity
Field conversion (Advanced Fringe Field Switching, AFFS) liquid crystal display panel is by color membrane substrates surface electrostatic
It is affected, therefore above-mentioned display panel can be IPS liquid crystal display panels or AFFS liquid crystal display panels.
The display panel that the utility model embodiment is provided, including display base that the utility model embodiment is provided
Plate has corresponding function and advantageous effect.
In addition, the utility model embodiment additionally provides a kind of display device, which includes in above-described embodiment
Display panel.
Illustratively, display device may include the display devices such as mobile phone, computer and intelligent wearable device, this practicality
New embodiment is not particularly limited this.
The display device that the utility model embodiment is provided, including display surface that the utility model embodiment is provided
Plate has corresponding function and advantageous effect.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright
Aobvious variation is readjusted, be combined with each other and is substituted without departing from the scope of protection of the utility model.Therefore, although passing through
Above example is described in further detail the utility model, but the utility model is not limited only to the above implementation
Example can also include other more equivalent embodiments in the case where not departing from the utility model design, and the utility model
Range is determined by scope of the appended claims.
Claims (16)
1. a kind of display base plate, which is characterized in that including substrate, conductive film and special-shaped film, wherein the conductive film is located at described
The side of substrate, the abnormity film are located at surface of the conductive film far from the substrate side, and the conductive film is for exporting
Electrostatic；
The first edge of the abnormity film is formed with an at least recess portion, and the recess portion extends to the viewing area of the display base plate,
Conductive film described in exposed portion, the recess portion are located at the region for silver paste, the conductive film on the conductive film and pass through institute
It states silver paste and is electrically connected to ground terminal.
2. display base plate according to claim 1, which is characterized in that vertical throwing of the abnormity film on the conductive film
Shadow is located in the conductive film, upright projection nonoverlapping part of the conductive film with the special-shaped film on the conductive film
Positioned at the non-display area of the display base plate.
3. display base plate according to claim 2, which is characterized in that the maximum normal distance of the recess portion to crack line is big
In or be equal to 0.25mm, the crack line overlaps with the display base plate close to the side of the first edge.
4. display base plate according to claim 3, which is characterized in that the maximum perpendicular of the recess portion to the crack line away from
From equal to 0.3mm.
5. display base plate according to claim 3, which is characterized in that part of the first edge in addition to the recess portion
Minimum perpendicular distance to the crack line is greater than or equal to 0.1mm.
6. display base plate according to claim 5, which is characterized in that part of the first edge in addition to the recess portion
Vertical range to the crack line is equal to 0.15mm.
7. according to claim 1-6 any one of them display base plates, which is characterized in that the display base plate is color membrane substrates.
8. display base plate according to claim 7, which is characterized in that the abnormity film includes upper polaroid, described inclined
Mating plate fits in the surface of the color membrane substrates.
9. according to claim 1-6 any one of them display base plates, which is characterized in that the shape of the recess portion is rectangle, arc
Shape or triangle.
10. a kind of display panel, which is characterized in that including such as claim 1-9 any one of them display base plate.
11. display panel according to claim 10, which is characterized in that the display panel includes the array being oppositely arranged
Substrate and color membrane substrates, and the electrooptical material that is filled between the array substrate and the color membrane substrates, wherein the coloured silk
Ilm substrate is the display base plate.
12. display panel according to claim 11, which is characterized in that the color membrane substrates and the array substrate are being cut
It splits and is formed with step at line, to form the stepped region not covered by the color membrane substrates in the array substrate；
The stepped region of the array substrate is provided with connection gasket, and the conductive film on the color membrane substrates passes through the connection gasket
The ground terminal being electrically connected in the array substrate, wherein silver paste continuously covers the first side that the conductive film is located at special-shaped film
The part of recess portion on edge, the color membrane substrates side correspond to the recess portion part and partly or entirely the connection
Pad.
13. display panel according to claim 12, which is characterized in that silver paste is located at the part on the conductive film
Thickness be less than or equal to the thickness of the special-shaped film.
14. display panel according to claim 12, which is characterized in that the recess portion is in plane where the connection gasket
Upright projection is recess portion projection, and the recess portion is projected in the upright projection of the side of the color membrane substrates with the connection gasket in institute
The perpendicular projection for stating the side of color membrane substrates or all overlappings.
15. display panel according to claim 11, which is characterized in that the display panel is plane conversion IPS liquid crystal
Display panel or super fringe field convert AFFS liquid crystal display panels.
16. a kind of display device, which is characterized in that including such as claim 10-15 any one of them display panel and fitting
In the encapsulated layer of the display panel light-emitting surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820411254.6U CN207937736U (en) | 2018-03-26 | 2018-03-26 | A kind of display base plate, display panel and display device |
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| CN201820411254.6U CN207937736U (en) | 2018-03-26 | 2018-03-26 | A kind of display base plate, display panel and display device |
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| CN109061928A (en) * | 2018-10-30 | 2018-12-21 | 厦门天马微电子有限公司 | Display panel and display device |
| CN110262141A (en) * | 2019-04-08 | 2019-09-20 | 厦门天马微电子有限公司 | A kind of display panel and display device |
| CN110517584A (en) * | 2019-09-02 | 2019-11-29 | 京东方科技集团股份有限公司 | The preparation method of display module, display device and display module |
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