CN209215789U - Display panel and display device - Google Patents

Abstract

The utility model discloses a kind of display panel and display device, which includes: display screen, and the side of display screen is equipped with the first pin, and the first pin has mating surface, and the first recess and/or the first protrusion are formed in mating surface；Flip chip component, including flip chip substrate, the side of flip chip substrate is equipped with second pin, and second pin has the mounting surface to install with mating surface, and the second protrusion cooperated with the first recess is formed on mounting surface and/or is formed with the second recess with the first male cooperation.The utility model display panel can increase the contact area of the first pin and second pin, to increase the bonding strength of the first pin and second pin, avoiding the first pin from separating with second pin causes flip chip component and display screen to connect exception, improves the stability of display panel work.

Description

Display panel and display device

Technical field

The utility model relates to field of liquid crystal display, in particular to a kind of display panel and display device.

Background technique

In the manufacturing process of liquid crystal display panel, COF technology is that driving chip is fixed in flexible circuit board, then incites somebody to action Flexible circuit board bonding is usually by flexible wires in the source side and gate electrode side of display screen, the connection of flexible circuit board and display screen The pin on pin and display screen on the plate of road is attached, then fixed with anisotropy conductiving glue (ACF glue), in practical application In, this fixed form it is possible that conducting resinl be flexible circuit board pin and display screen the binding force that provides of pin not Foot, causes pin to separate, and causes driving chip to connect with display screen abnormal, to cause display abnormal, reduces display panel The stability of work.

Utility model content

The main purpose of the utility model is to propose a kind of display panel and display device, it is intended to solve how to improve display The technical issues of panel job stability.

To achieve the above object, the utility model proposes display panel, comprising:

Display screen, the side of the display screen are equipped with the first pin, and first pin has mating surface, the mating surface On be formed with the first recess and/or first protrusion；

Flip chip component, including flip chip substrate, the side of the flip chip substrate is equipped with second pin, described Second pin has the mounting surface to install with the mating surface, is formed on the mounting surface and cooperates with first recess The second protrusion and/or be formed with and the second of first male cooperation the recess.

Optionally, first recess and/or the second recess include bottom wall and are located on the inner sidewall of the bottom wall, described The longitudinal section of bottom wall and inner sidewall is made of the one or more in straight line, curve or wave；First protrusion and/or the Two protrusions include roof and are located on the lateral wall of the roof, the longitudinal section of the roof and lateral wall by straight line, curve or One or more compositions in wave.

Optionally, the longitudinal section of first recess and/or the second recess is set in rectangle, isosceles trapezoid or isosceles triangle It sets, the shape of first protrusion and/or the second protrusion is recessed identical with first recess and/or second.

Optionally, the quantity of first recess and/or the first protrusion is multiple, and between the side of first pin Every setting；The quantity of second recess and/or the second protrusion is multiple, and is arranged along the side interval of the second pin.

Optionally, the width of first recess is greater than or equal to the depth of first recess, and is less than or equal to two The depth of first recess again；And/or the width of second recess is greater than or equal to the depth of second recess, and The depth of second recess described less than or equal to twice.

Optionally, the depth of first recess is less than or equal to the half of first pin thickness；And/or The depth of second recess is less than or equal to the half of the second pin thickness.

Optionally, the sum of width of multiple first recess be less than or equal to first pin length two/ One；And/or the sum of the width of multiple second recess is less than or equal to the half of the second pin length.

Optionally, the junction of first pin and second pin is coated with conducting resinl.

The utility model also proposes a kind of display panel, comprising: display screen, the side of the display screen are equipped with first and draw Foot, first pin have mating surface, and the first recess and/or the first protrusion are formed in the mating surface；Flip chip group Part, including flip chip substrate and the driving chip being installed on the flip chip substrate, the side of the flip chip substrate Side is equipped with second pin, and the second pin has the mounting surface to install with the mating surface, formed on the mounting surface There is the second protrusion cooperated with first recess and/or is formed with the second recess with first male cooperation.

The utility model also proposes that a kind of display device, including a kind of display panel, the display panel include: display screen, The side of the display screen is equipped with the first pin, and first pin has mating surface, and it is recessed to be formed with first in the mating surface It falls into and/or first is raised；The side of flip chip component, including flip chip substrate, the flip chip substrate is equipped with second Pin, the second pin have to the mounting surface installed with the mating surface, are formed on the mounting surface and described the It second protrusion of one recess cooperation and/or is formed with and the second of first male cooperation the recess.

Display panel provided by the utility model on the first pin of display screen by being arranged the first recess and/or first Protrusion, and the second recess of setting and/or the second protrusion in the second pin of flip chip substrate, pass through the first recess and second Protrusion is worked in coordination, and/or, the second recess increases connecing for the first pin and second pin with the first raised work in coordination Contacting surface product avoids the first pin from separating with second pin and causes to cover to increase the bonding strength of the first pin and second pin Brilliant film assembly connects exception with display screen, improves the stability of display panel work.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of the utility model display panel；

Fig. 2 is the partial enlarged view of the first pin and one embodiment of second pin in the utility model；

Fig. 3 is the partial enlarged view of the first pin and the another embodiment of second pin in the utility model；

Fig. 4 is the partial enlarged view of the first pin and second pin another embodiment in the utility model；

Fig. 5 is the partial enlarged view of the first pin and another embodiment of second pin in the utility model；

Fig. 6 is the structural schematic diagram of the another embodiment of the utility model display device.

Drawing reference numeral explanation:

Label	Title	Label	Title	Label	Title
						10	Display screen	11	Viewing area	12	Non-display area
20	Flip chip component	21	Flip chip substrate	22	Driving chip
						13	First pin	23	Second pin	131	First recess
231	Second protrusion	100	Display device	130	Mating surface
						230	Mounting surface	132	First protrusion	232	Second recess

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture) Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.

In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one A this feature.In addition, the meaning of the "and/or" occurred in full text is, including three schemes arranged side by side, by " A and/or B for ", The scheme met simultaneously including A scheme or B scheme or A and B.In addition, the technical solution between each embodiment can be mutual In conjunction with, but must be based on can be realized by those of ordinary skill in the art, when mutual lance occurs in the combination of technical solution Shield or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection scope of the requires of the utility model Within.

The utility model proposes a kind of display panels.

In the utility model embodiment, as shown in Figures 1 to 5, which includes:

Display screen 10, the side of the display screen 10 are equipped with the first pin 13, and first pin 13 has mating surface 130, the first recess 131 and/or the first protrusion 132 are formed in the mating surface 130；

Flip chip component 20, including flip chip substrate 21, the side of the flip chip substrate 21 are equipped with second and draw Foot 23, the second pin 23 have the mounting surface 230 to install with the mating surface 130, are formed on the mounting surface 230 Have and the second protrusion 231 of 131 cooperation of the first recess and/or is formed with second recessed with 132 cooperation of the first protrusion Fall into 232.

In this example it is shown that screen 10 has viewing area 11 and non-display area 12, flip chip component 20 is connected to non- Viewing area 12.Flip chip component 20 is COF (flip chip, Chip on Film), and driving chip 22 is fixed on flexible wires Crystal grain mantle structure fills technology on the plate of road, is to make encapsulation chip carrier with soft additional circuit boards for chip and flexible base plate circuit The technology of engagement.The driving that flip chip component 20 generally includes flip chip substrate 21 and is fixed on flip chip substrate 21 Chip 22, driving chip 22 include source electrode film driving chip 22 and grid film driving chip 22, and installation source film drives The flip chip component 20 of dynamic chip 22 is connected to the source side of display screen 10, is equipped with the flip of grid film driving chip 22 Film assembly 20 is connected to the gate electrode side of display screen 10.In practical applications, display panel further includes and flip chip substrate 21 The circuit board of connection and the sequence controller being installed on circuit board, for providing display power supply and display letter for display screen 10 Number.

Flip chip substrate 21 and display screen 10 are realized by the first pin 13 and second pin 23 to be connected, it is possible to understand that Be, between the first pin 13 and second pin 23 be not only be mechanically connected, and be electrical connection so that electric signal be transferred to it is aobvious Display screen 10.First recess 131 and/or the first protrusion 132 are preferably wholely set with the first pin 13, the second recess 232 and/or the Two protrusions 231 are preferably wholely set with second pin 23.First protrusion 132 and/or the first recess 131 and the second protrusion 231 And/or second recess 232 can by cutting, radium-shine, physical grinding, the modes such as chemical etching formed, to reduce difficulty of processing, mention High efficiency.

It should be noted that in the present embodiment, the first protrusion 132 and/or the first recess 131 be using mating surface 130 as Reference, the top of the first protrusion 132 protrude from mating surface 130, the bottom of the first recess 131 then 130 indent of relative engagement face.Such as Shown in Fig. 2, if only one first protrusion 132, i.e. only one position protrude from reference plane on the first pin 13, then second draws Only one second recess 232 on foot 23, i.e., only one position is with respect to 230 indent of mounting surface.

In another embodiment, there was only the first protrusion 132 on the first pin 13, the quantity of the first protrusion 132 be it is multiple simultaneously Interval setting；Since there are cross-referenced relationships with mating surface 130 for the first protrusion 132, at this time it is believed that the face of opposite protrusion The as top surface of the first protrusion 132, between adjacent two first protrusion 132 is then mating surface 130.

Likewise, in another embodiment, as shown in figure 3, there was only the first recess 131 on the first pin 13, the first recess 131 quantity is multiple and is spaced setting；Since the first recess 131 and mating surface 130 are there are cross-referenced relationship, at this time may be used The face for thinking opposite indent is the bottom surface of the first recess 131, and between adjacent two first recess 131 is then mating surface 130.

It is appreciated that in another embodiment, as shown in figure 4, existing first recess 131 has first on the first pin 13 again Protrusion 132, then there are three cross-referenced faces altogether on the first pin 13, on the thickness direction of the first pin 13, mating surface 130 Between the top surface of the first protrusion 132 and the bottom surface of the first recess 131, the top surface relative engagement face 130 of the first protrusion 132 is convex Out, 130 indent of bottom surface relative engagement face of the first recess 131.

The second protrusion 231 and/or the second recess 232 and the relationship of mounting surface 230 in second pin 23 can refer to first Pin 13, details are not described herein.It should be noted that in the first protrusion 132 and/or the first recess 131, with the second protrusion 231 And/or second recess 232 corresponding relationship in, explicitly pointed out in the present embodiment, second protrusion 231 be used for and first recess 131 cooperations, to cooperate with the first protrusion 132, those skilled in the art describe to be readily appreciated that accordingly the second recess 232, if Without the first protrusion 132, then to the second recess 232 of 132 cooperation of the first protrusion is also corresponding is not present, if without the first recess 131, then the second protrusion 231 of 131 cooperations that are recessed to first is also corresponding to be not present.

In following embodiments, the first protrusion 132 and/or the first recess 131, with the second protrusion 231 and/or the second recess The explanation of 232 corresponding relationship can refer to above-described embodiment, and details are not described herein.

By taking the first recess 131 on the first pin 13 and the second protrusion 231 in second pin 23 as an example.First recess 131 side wall and the side wall of the second protrusion 231 overlap, and the bottom wall of the first recess 131 and the roof of the second protrusion 231 overlap.It can With understanding, perhaps the mating surface 130 of the first pin 13 cooperates with the mounting surface 230 of second pin 23 is overlapped, to realize the One pin 13 is effectively increased with 23 contact area of second pin.

The utility model display panel on the first pin 13 of display screen 10 by being arranged the first recess 131 and/or the One protrusion 132, and the second recess 232 of setting and/or the second protrusion 231 in the second pin of flip chip substrate 21 23, lead to The first recess 131 is crossed work in coordination with the second protrusion 231, and/or, second is recessed 232 works in coordination with first protrusion 132 Increase the contact area of the first pin 13 with second pin 23, to increase by the first pin 13 and the connection of second pin 23 is strong Degree, avoids the first pin 13 from separating with second pin 23 and flip chip component 20 and display screen 10 is caused to connect exception, improve The stability of display panel work.

Further, first recess 131 and/or the second recess 232 including bottom wall and are located on the interior of the bottom wall The longitudinal section of side wall, the bottom wall and inner sidewall is made of the one or more in straight line, curve or wave；Described first is convex Rise 132 and/or second protrusion 231 include roof and be located on the lateral wall of the roof, the roof and the vertical of lateral wall cut Face is made of the one or more in straight line, curve or wave.

In the present embodiment, the longitudinal section of the first recess 131 can be arranged in arcuation, and the longitudinal section of the second protrusion 231 can be in Corresponding arcuation setting, can effectively reduce the dog-ear of the first recess 131 and the second protrusion 231 as a result, increase by the first recess 131 It is improved aobvious with the contact area of the second protrusion 231 to further increase the bonding strength of the first pin 13 and second pin 23 Show the stability of panel work.

Further, as shown in Figure 4 and Figure 5, the longitudinal section of first recess 131 and/or the second recess 232 is in square The shape of shape, isosceles trapezoid or isosceles triangle setting, first protrusion 132 and/or the second protrusion 231 and described first recessed Fall into 131 and/or second recess 232 it is identical.In the present embodiment, the notching dimension of the first recess 131 is preferably smaller than its bottom Size so that the second protrusion 231 more smoothly enters the first recess 131.First recess 131 preferably has certain depth, So that the first recess 131 and the second protrusion 231 have enough cooperation intensity.Square is set by the longitudinal section of the first recess 131 Shape, isosceles trapezoid or isosceles triangle can both make the first recess 131 long-pending with combined mating surface 130 with the second protrusion 231, The structure of the first recess 131 and the second protrusion 231 can be simplified, reduce difficulty of processing；It can also make the side wall of the first recess 131 simultaneously Certain frictional force, the bonding strength of the first pin of enhancing 13 and second pin 23 are generated with the side wall of the second protrusion 231.

Further, as shown in Figure 4 and Figure 5, the quantity of first recess 131 and/or the first protrusion 132 is multiple, And it is arranged along the side interval of first pin 13；It is described second recess 232 and/or second protrusion 231 quantity be it is multiple, And it is arranged along the side interval of the second pin 23.In the present embodiment, length of multiple first recess 131 along the first pin 13 The setting of direction interval is spent, multiple second protrusions 231 are arranged along the length direction interval of second pin 23, adjacent two first recess 131 spacing is suitable with the width of the first recess 131, to reduce difficulty of processing and improve the convenience of cooperation.By the first recess 131 are set as multiple with the quantity of the second protrusion 231, to further increase the mating surface of the first pin 13 and second pin 23 130 products improve the bonding strength of the first pin 13 and second pin 23, to further increase the stabilization of display panel entirety Property.

Further, the width of first recess 131 is greater than or equal to the depth of first recess 131, and is less than Or the depth equal to twice of first recess 131；And/or the width of second recess 232 is greater than or equal to described second The depth of recess 232, and it is less than or equal to the depth of twice of second recess 232.In the present embodiment, the first recess 131 Depth be less than or equal to first recess 131 width, can make the second protrusion 231 more easily with first recess 131 inner wall It is fully mated, cooperation difficulty is reduced, the width of the first recess 131 can also make first recessed less than the depth of twice first recess 131 Sunken 131 global shape is more reasonable, to reduce the difficulty of processing and cooperation difficulty of the first recess 131 and the second protrusion 231.

Further, the depth of first recess 131 is less than or equal to the half of 13 thickness of the first pin； And/or the depth of second recess 232 is less than or equal to the half of 23 thickness of second pin.In the present embodiment In, the depth of the first recess 131 is less than or equal to the half of 13 thickness of the first pin, may make the depth of the first recess 131 It is more reasonable to spend size, guarantees that the first pin 13 is still able to maintain enough structural strengths after opening up the first recess 131, to mention The whole stability of high first pin 13.In practical applications, the first pin 13 with a thickness of 8 μm, then first recess 131 depth Preferably 4 μm of degree, in conjunction with above-described embodiment, the width of the first recess 131 is greater than or equal to 4 μm, and is less than or equal to 8 μm.

Further, the sum of the width of multiple first recess 131 is less than or equal to 13 length of the first pin Half；And/or the sum of the width of multiple second recess 232 is less than or equal to the two of 23 length of second pin / mono-.In the present embodiment, the sum of width of multiple first recess 131 be less than or equal to 13 length of the first pin two/ One, the quantity of the first recess 131 can be made more reasonable, and the first pin 13 is made to keep enough structural strengths, to improve the The whole stability of one pin 13.

Further, first pin 13 and the junction of second pin 23 are coated with conducting resinl.In the present embodiment, Conducting resinl is a kind of adhesive solidified or have certain electric conductivity after dry, a variety of conductive materials can be connected to one It rises, makes to be connected the access that storeroom forms electricity.Conductive glue is in the contact surface of the first pin 13 and second pin 23, with reality Existing first pin 13 is electrically connected with second pin 23.Conducting resinl is preferably anisotropy conductiving glue, with the first pin of specification 13 With the conducting direction between second pin 23, the stability of display panel work is improved.

As shown in fig. 6, the utility model also proposes a kind of display device 100, which includes a kind of display surface Plate, the specific structure of the display panel is referring to above-described embodiment, since this display device 100 uses above-mentioned all embodiments Whole technical solutions, therefore at least all technical effects brought by the technical solution with above-described embodiment, it is not another herein One repeats.

The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of display panel characterized by comprising

Display screen, the side of the display screen are equipped with the first pin, and first pin has mating surface, shape in the mating surface At have the first recess and/or first protrusion；

Flip chip component, including flip chip substrate, the side of the flip chip substrate are equipped with second pin, and described second Pin has to mounting surface install with the mating surface, and the cooperated with first recess is formed on the mounting surface It two protrusions and/or is formed with and the second of first male cooperation the recess.

2. display panel as described in claim 1, which is characterized in that first recess and/or the second recess include bottom wall And it is located on the inner sidewall of the bottom wall, the longitudinal section of the bottom wall and inner sidewall is by one in straight line, curve or wave Or multiple compositions；First protrusion and/or the second protrusion include roof and the lateral wall for being located on the roof, the roof And the longitudinal section of lateral wall is made of the one or more in straight line, curve or wave.

3. display panel as claimed in claim 2, which is characterized in that the longitudinal section of first recess and/or the second recess It is arranged in rectangle, isosceles trapezoid or isosceles triangle, the shape and first recess of first protrusion and/or the second protrusion And/or second recess it is identical.

4. display panel as claimed in claim 2, which is characterized in that first recess and/or the first raised quantity are It is multiple, and be arranged along the side interval of first pin；The quantity of second recess and/or the second protrusion is multiple, and It is arranged along the side interval of the second pin.

5. display panel as claimed in claim 4, which is characterized in that the width of first recess is greater than or equal to described the The depth of one recess, and it is less than or equal to the depth of twice of first recess；And/or the width of second recess is greater than Or the depth equal to second recess, and it is less than or equal to the depth of twice of second recess.

6. display panel as claimed in claim 4, which is characterized in that the depth of first recess is less than or equal to described the The half of one pin thickness；And/or the depth of second recess is less than or equal to two points of the second pin thickness One of.

7. display panel as claimed in claim 4, which is characterized in that the sum of the width of multiple first recess is less than or waits In the half of first pin length；And/or the sum of width of multiple second recess is less than or equal to described the The half of two pin lengths.

8. display panel as described in any one of claim 1 to 7, which is characterized in that first pin draws with described second The junction of foot is coated with conducting resinl.

9. a kind of display panel characterized by comprising

Display screen, the side of the display screen are equipped with the first pin, and first pin has mating surface, shape in the mating surface At have the first recess and/or first protrusion；

Flip chip component, it is described to cover including flip chip substrate and the driving chip being installed on the flip chip substrate The side of brilliant film substrate is equipped with second pin, and the second pin has the mounting surface to install with the mating surface, institute State be formed on mounting surface with the second protrusion of the first recess cooperation and/or be formed with first male cooperation the Two recess.

10. a kind of display device, which is characterized in that including the display panel as described in any one of claim 1 to 9.