CN113744645A - Display device - Google Patents
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- CN113744645A CN113744645A CN202111019367.4A CN202111019367A CN113744645A CN 113744645 A CN113744645 A CN 113744645A CN 202111019367 A CN202111019367 A CN 202111019367A CN 113744645 A CN113744645 A CN 113744645A
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- display panel
- retaining wall
- light incident
- display device
- middle frame
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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Abstract
The invention discloses a display device, which comprises a display panel and a middle frame, wherein the middle frame comprises a supporting part, the display panel is provided with a light incident surface and a side surface, the side surface of the display panel and the light incident surface of the display panel form an included angle, and the supporting part is arranged opposite to the light incident surface and close to the edge of the light incident surface and is used for supporting the display panel; the middle frame is characterized by also comprising a retaining wall and a main body part; the retaining wall is arranged opposite to the side face of the display panel and connected with the supporting part, and the main body part is connected with one side of the supporting part, which is far away from the light incident face; the retaining wall and/or the main body part are/is provided with an injection channel which is communicated with a gap formed between the retaining wall and the display panel; the display device further comprises a reinforcement glue filling the gap and the injection channel. According to the technical scheme, the injection channel is formed in the retaining wall and/or the main body part of the middle frame, so that workers can inject the reinforcing glue into a gap between the display panel and the retaining wall through the injection channel, and the display panel is prevented from being scratched by an injection head injecting the reinforcing glue.
Description
Technical Field
The invention relates to the technical field of displays, in particular to a display device.
Background
The display device generally includes a display panel, a middle frame, and a back board assembly, where the display panel and the back board assembly are disposed opposite to each other and connected through the middle frame. For larger-sized display devices and narrow-bezel display devices, a higher fixing strength is generally required for the display panel. When the display panel and the backlight assembly are connected by the middle frame, the display panel is usually bonded to the middle frame by a double-sided adhesive tape, and the strength is enhanced by injecting glue between the periphery of the display panel and the middle frame. However, the existing middle frame is provided with a retaining wall arranged opposite to the display panel, and the height of the retaining wall is higher, so that the glue injection head is easy to scratch the display panel.
Disclosure of Invention
The invention mainly aims to provide a display device, and aims to solve the problem that a glue injection head is easy to scratch a display panel in a glue injection process between a retaining wall of a middle frame and the display panel.
In order to achieve the above object, the display device provided by the present invention includes a display panel and a middle frame, wherein the middle frame includes a supporting portion, the display panel has a light incident surface and a side surface, the side surface of the display panel and the light incident surface of the display panel form an included angle, and the supporting portion is arranged opposite to the light incident surface and close to the edge of the light incident surface, so as to support the display panel; the middle frame further comprises a retaining wall and a main body part, the retaining wall is opposite to the side face of the display panel and is connected with the supporting part, and the main body part is connected with one side, away from the light incident face, of the supporting part; an injection channel is formed in the retaining wall and/or the main body part and communicated with a gap formed between the retaining wall and the display panel; the display device further includes a reinforcing glue filling the gap and the injection channel.
Optionally, the injection passage comprises a groove and a through hole which are communicated with each other, the groove is arranged on one side of the retaining wall, which is deviated from the supporting part, the groove wall of the groove is provided with the through hole, and the through hole is communicated with the gap.
Optionally, the groove is disposed in the main body, and the through hole penetrates through the support portion and communicates with the gap.
Optionally, the central axis of the through hole and the extending direction of the retaining wall are arranged at an acute angle.
Optionally, the through holes are provided with at least two, and the at least two through holes are uniformly arranged at intervals.
Optionally, the groove is U-shaped or V-shaped.
Optionally, the through hole is in a shape of a long strip or a circle.
Optionally, the display device further includes a bonding adhesive disposed between the support portion and the display panel, and two opposite sides of the bonding adhesive are bonded to the support portion and the light incident surface respectively.
Optionally, the bonding glue is connected with the reinforcing glue, and the edge of the bonding glue connected with the reinforcing glue is in a zigzag shape.
Optionally, the direction from the supporting portion to the display panel is defined as a low-to-high direction, the surface of the display panel departing from the light incident surface is a light emergent surface, and the retaining wall is lower than the surface of the display panel departing from the supporting portion.
The support part of the middle frame is used for supporting the display panel, and can isolate the display panel from the part of the support part, which is far away from one side of the display panel, so that the normal working state of the display panel and other parts is ensured. In addition, the supporting portion is close to the edge of the light incident surface, and the supporting portion can support the display panel without affecting the normal display function of the display panel. The middle frame further comprises a retaining wall connected with the supporting portion, the retaining wall of the middle frame is connected with the supporting portion and arranged opposite to the side face of the display panel, and the retaining wall can have good supporting and protecting effects on the side face of the display panel. Through filling the reinforcement glue between barricade and display panel, the reinforcement glue is connected barricade and display panel to display panel's adhesion area has been increased, center and display panel's joint strength has been improved. Through setting up the main part, the main part is connected in the one side that the supporting part deviates from display panel, and then the main part can further strengthen the support intensity of supporting part. Through set up injection passage and intercommunication display panel and the clearance between the barricade on main part and/or barricade, then the workman will consolidate gluey injection to the clearance between display panel and the barricade through injection passage in of being convenient for to avoid injecting the injection head fish tail display panel that consolidates gluey, guaranteed display panel's integrality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a partial front structure of a display apparatus according to a first embodiment of the present invention without injecting a reinforcing adhesive;
FIG. 2 is a schematic side view of a portion of the first embodiment of the display apparatus of the present invention without injecting a reinforcing adhesive;
FIG. 3 is a schematic view of a partial front view of a first embodiment of a display apparatus according to the present invention with a reinforcing adhesive injected;
FIG. 4 is a schematic side view of a portion of a first embodiment of a display device injected with injected reinforcing glue according to the present invention;
FIG. 5 is a schematic view of a partial front structure of a second embodiment of a display apparatus according to the present invention without injecting a reinforcing adhesive;
FIG. 6 is a partial side view illustrating a second embodiment of a display apparatus according to the present invention without injecting a reinforcing adhesive;
FIG. 7 is a schematic view of a partial front view of a second embodiment of a display apparatus according to the present invention with a reinforcing adhesive injected;
FIG. 8 is a schematic side view of a second embodiment of a display device according to the present invention showing a partial side structure when a reinforcing adhesive is injected;
fig. 9 is a partial front view showing a structure of a third embodiment of a display apparatus according to the present invention when a reinforcing adhesive is injected;
FIG. 10 is a partial top view of FIG. 9 at A without the reinforcement glue applied;
fig. 11 is a partial front view illustrating a fourth embodiment of a display apparatus according to the present invention, in which a reinforcing adhesive is injected;
fig. 12 is a partial top view of fig. 11 without the reinforcement glue applied at B.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention proposes a display device, which may include but is not limited to: television, mobile phone, computer, tablet device, etc. are devices for playing text, pictures or video.
In an embodiment of the present invention, referring to fig. 1 to 8 in combination, the present invention provides the first embodiment shown in fig. 1 to 4 and the second embodiment shown in fig. 5 to 8, in which the display device includes a display panel 100 and a middle frame 200, the middle frame 200 includes a supporting portion 210, the display panel 100 has a light incident surface 101 and a side surface, the side surface of the display panel 100 forms an included angle with the light incident surface 101, the supporting portion 210 is disposed opposite to the light incident surface 101 and is close to an edge of the light incident surface 101 for supporting the display panel 100; the middle frame 200 further includes a retaining wall 220 and a main body portion 230, the retaining wall 220 is disposed opposite to the side surface of the display panel 100 and connected to the supporting portion 210, and the main body portion 230 is connected to a side of the supporting portion 210 away from the light incident surface 101; the retaining wall 220 and/or the main body 230 are/is provided with an injection channel 203, and the injection channel 203 is communicated with a gap formed between the retaining wall 220 and the display panel 100; the display device further comprises a reinforcement glue 400, the reinforcement glue 400 filling the gap and the injection channel 203.
The display panel 100 is used for displaying information, such as text information, picture information, or video information. The display panel 100 is provided with a backlight module on a side thereof close to the light incident surface 101, the backlight module has a backlight assembly 300 and a middle frame 200, and the middle frame 200 is used for connecting the display panel 100 and the backlight assembly 300 together to form an integral display device. The middle frame 200 of the present invention includes a supporting portion 210, and one side of the supporting portion 210 is disposed opposite to the light incident surface 101 of the display panel 100 and is close to the edge of the display panel 100, so as to prevent the supporting portion 210 from blocking the display area of the display panel 100 and affecting the display effect of the display panel 100. In addition, the supporting portion 210 may be used to support the display panel 100 and to separate the display panel 100 from the backlight assembly 300. The middle frame 200 of the present invention further includes a retaining wall 220, and the retaining wall 220 is disposed opposite to the side surface of the display panel 100 and connected to the supporting portion 210, so it can be understood that a gap is formed between the retaining wall 220 and the display panel 100. The middle frame 200 further includes a main body portion 230, the main body portion 230 is disposed on a side of the supporting portion 210 away from the light incident surface 101, so that the main body portion 230 can further support the display panel 100 and the supporting portion 210, and can also be connected to the backlight module 300 through the main body portion 230. By forming the injection channel 203 communicated with the gap on the retaining wall 220 and/or the main body 230, a worker can inject glue into the gap formed between the retaining wall 220 and the display panel 100 through the injection channel 203, thereby reducing the occurrence of the situation that the injection head directly touches the display panel 100, and ensuring that the display panel 100 has better display effect and better integrity. It can be understood that, when the worker injects the reinforcing glue 400 through the injection channel 203, the reinforcing glue 400 may only fill the gap formed between the retaining wall 220 and the display panel 100, and also fill the injection channel 203 at the same time, so that the outer surface of the retaining wall 220 is more flat, and more dust or impurities are prevented from entering the injection channel 203. Specifically, in order to facilitate injection of the reinforcing adhesive 400, the reinforcing adhesive 400 may be a structural adhesive such as a hot melt adhesive or an ultraviolet curing adhesive, and the structural adhesive has the advantages of high strength, aging resistance, corrosion resistance, good glass quality, impact resistance, simple construction process, stable performance and the like. It should be noted that, the retaining wall 220 and/or the main body 230 is provided with an injection channel 203, which includes: the retaining wall 220 is provided with an injection channel 203, and the main body 230 is not provided with the injection channel 203; or the main body 230 is provided with the injection channel 203, while the retaining wall 220 is not provided with the injection channel 203, and when the main body 230 is provided with the injection channel 203, in order to enable the injection channel 203 to communicate with the gap between the retaining wall 220 and the display panel 100, the injection channel 203 needs to penetrate through the supporting portion 210; or the retaining wall 220 and the main body 230 are both provided with injection channels 203. Note that the side surface of the display panel 100 forms an angle with the light incident surface 101 of the display panel 100, and means that the side surface of the display panel 100 forms an acute angle, a right angle, or an obtuse angle with the light incident surface of the display panel 100.
In the display panel 100 of the present invention, the upper polarizer 110, the color filter substrate 120, the tft array substrate 130, and the lower polarizer 140 may be stacked from a side away from the supporting portion 210 to a side close to the supporting portion 210, wherein the lower polarizer 140 has a size smaller than that of the tft array substrate 130 and is disposed in the middle of the tft array substrate 130 to expose the edge of the tft array substrate 130, so that the supporting portion 210 may be disposed corresponding to the edge of the tft array substrate 130 without affecting the normal display function of the display panel 100. The lower polarizing plate 140 may correspond to the middle portion of the tft array substrate 130, the supporting portion 210 is disposed around the periphery of the lower polarizing plate 140 and spaced apart from the lower polarizing plate 140, and in combination with the scheme that the display panel 100 has the light incident surface 101, the surface of the tft array substrate 130 facing the lower polarizing plate 140 may be the light incident surface 101 of the display panel 100. In addition, the backlight assembly 300 may be disposed on a side of the supporting portion 210 away from the display panel 100 to provide a backlight for the display panel 100. The backlight assembly 300 may further include a backlight bottom frame 310, wherein the backlight bottom frame 310 is used for accommodating the reflective sheet 320, the light guide plate 330 and the optical film 340, and the reflective sheet 320, the light guide plate 330 and the optical film 340 are respectively stacked from a side away from the supporting portion 210 to a side close to the supporting portion 210. The backlight bottom frame 310 is connected to the middle frame 200, and particularly, the backlight bottom frame 310 may be connected to the main body 230 of the middle frame 200, so that the effect of connecting the middle frame 200 to the backlight assembly 300 can be achieved. The backlight bottom frame 310 may be integrated with the middle frame 200, so as to ensure the stability of the connection between the middle frame 200 and the backlight assembly 300; or the backlight bottom frame 310 can be connected with the middle frame 200 in a buckling manner, so that the backlight bottom frame 310 and the middle frame 200 can be conveniently disassembled and assembled, and further, when the backlight bottom frame 310 or the middle frame 200 is damaged, the damaged parts can be disassembled and independently replaced, so that the replacement cost is saved. Specifically, the backlight bottom frame 310 includes a bottom plate 311 and side plates 312; the bottom plate 311 is disposed opposite to the display panel 100 and located on a side of the supporting portion 210 away from the display panel 100; the side plate 312 has one end connected to the bottom plate 311 and the other end connected to the main body 230 in an integrated structure or a snap-fit connection.
The supporting portion 210 of the middle frame 200 of the present invention is used to support the display panel 100, and can isolate the display panel 100 from the components of the supporting portion 210 away from the side of the display panel 100, so as to ensure the normal working state of the display panel 100 and other components. In addition, the supporting portion 210 is close to the edge of the light incident surface 101, so that the supporting portion 210 does not affect the function of the display panel 100 for normally displaying the image on the display panel 100 on the premise that the display panel 100 can be supported. Further, the middle frame 200 further includes a retaining wall 220 connected to the support portion 210, the retaining wall 220 is disposed opposite to the side of the display panel 100, and the retaining wall 220 of the middle frame 200 is connected to the support portion 210 and disposed opposite to the side of the display panel 100, so that the retaining wall 220 can have a better supporting and protecting effect on the side of the display panel 100. The reinforcing glue 400 is filled between the retaining wall 220 and the display panel 100, and the reinforcing glue 400 connects the retaining wall 220 and the display panel 100, so that the adhesion area of the display panel 100 is increased, and the connection strength of the middle frame 200 and the display panel 100 is improved. By providing the main body 230, the main body 230 is connected to a side of the supporting portion 210 away from the display panel 100, and the main body 230 can further enhance the supporting strength of the supporting portion 210. By forming the injection channel 203 on the main body 230 and/or the retaining wall 220 and communicating the gap between the display panel 100 and the retaining wall 220, it is convenient for a worker to inject the reinforcing adhesive 400 into the gap between the display panel 100 and the retaining wall 220 through the injection channel 203, so as to prevent an injection head injecting the reinforcing adhesive 400 from scratching the display panel 100, and ensure the integrity of the display panel 100.
Further, referring to fig. 1 to 8, in the first embodiment or the second embodiment, the injection channel 203 includes a groove 201 and a through hole 202 that are communicated with each other, the groove 201 is opened on a side of the retaining wall 220 away from the supporting portion 210, the groove wall of the groove 201 is opened with the through hole 202, and the through hole 202 is communicated with the gap.
By the injection channel 203 comprising the groove 201 and the through hole 202 which are communicated with each other, the groove 201 is opened at the side of the retaining wall 220 away from the supporting portion 210, and the through hole 202 is opened at the groove wall of the groove 201, it can be understood that the opening of the groove 201 can be larger than the opening of the through hole 202, thereby further providing a wider space for the glue injection process of workers,
further, referring to fig. 1 to 8, in the first embodiment or the second embodiment, at least two through holes 202 may be provided, and when at least two through holes 202 are provided, the at least two through holes 202 are uniformly spaced.
So set up, make in the workman stretches into recess 201 with the injection head back, reinforcement glue 400 can enter into the clearance between barricade 220 and display panel 100 through two or more through-holes 202 simultaneously in, improved injecting glue efficiency on the one hand, on the other hand makes to fill into the volume of reinforcement glue 400 more evenly everywhere in the clearance of barricade 220 and display panel 100, guarantees everywhere of display panel 100's side and can realize comparatively even firm connection effect with barricade 220.
Further, in the first embodiment or the second embodiment, the groove 201 is provided in the body portion 230, and the through hole 202 penetrates the support portion 210 to communicate with the gap.
It is understood that the main body part 230 may be provided as a strong portion since the main body part 230 is not provided to face the side surface of the display panel 100. In this embodiment, the groove 201 is disposed on the main body 230, the through hole 202 penetrates through the supporting portion 210, on the one hand, the overall strength of the middle frame 200 is convenient to ensure, on the other hand, in the glue injection process of a worker, the display panel 100 is defined to be located above the supporting portion 210, and the groove 201 is located below the supporting portion 210, so that when the worker injects glue through the groove 201, the glue injection head used in the glue injection process touches the retaining wall 220 and the display panel 100, and thus, the retaining wall 220 and the display panel 100 are ensured to have good integrity.
Further, referring to fig. 1 to 8, in the first embodiment or the second embodiment, the central axis of the through hole 202 and the extending direction of the retaining wall 220 form an acute angle.
Through the arrangement that the central axis of the through hole 202 and the extending direction of the retaining wall 220 form an acute angle, on one hand, the through hole 202 is ensured to be capable of penetrating through the supporting portion 210, on the other hand, the glue injection process is also convenient for workers, and in the glue injection process of the workers, the reinforcing glue 400 can be ensured to enter the gap between the retaining wall 220 and the display panel 100 along the through hole 202 as soon as possible.
Specifically, referring to fig. 1 to 8, in the first embodiment or the second embodiment, the groove 201 is U-shaped or V-shaped.
By arranging the groove 201 in a U shape, the space of the injection head arranged in the groove 201 can be larger, and the injection head is further prevented from scratching the middle frame 200. By arranging the groove 201 in a V shape, the V-shaped groove 201 space is made smaller than the U-shaped groove 201 space, so that the strength of the middle frame 200 is higher.
Of course, in other embodiments, the groove 201 may have other shapes, for example, the groove 201 may also have a semicircular shape or other shapes.
Further, in the first embodiment or the second embodiment, the through hole 202 has a long bar shape or a circular shape.
Through setting up through-hole 202 into long strip, then the size of through-hole 202 is great to make the injection head be convenient for more annotate the glue in to through-hole 202, and then realize being convenient for to the effect of injecting the glue in the clearance that forms between barricade 220 and display panel 100. By providing the through hole 202 in a circular shape, the manufacturing process is simplified, and the middle frame 200 can be easily molded.
Of course, in other embodiments, the through-hole 202 may have other shapes, such as rectangular, diamond, or other shapes.
It should be noted that the shape of the groove 201 and the shape of the through hole 202 may be combined arbitrarily, for example, when the shape of the groove 201 is U-shaped, the through hole 202 is formed in a long strip shape; or when the groove 201 is U-shaped, the through hole 202 is formed in a circular shape; or when the groove 201 is in a V shape, the through hole 202 is formed in a long strip shape; or when the groove 201 is V-shaped, the through hole 202 is formed in a circular shape, etc.
Further, referring to fig. 1 to 12, in the first embodiment, the second embodiment, the third embodiment and the fourth embodiment, the display device further includes an adhesive 500 disposed between the supporting portion 210 and the display panel 100, and two opposite sides of the adhesive 500 are respectively adhered to the supporting portion 210 and the light incident surface 101.
The adhesive 500 in this embodiment may be a double-sided tape, and further, the double-sided tape may be a foam double-sided tape. With such an arrangement, the adhesive 500 is disposed between the support portion 210 and the light incident surface 101 of the display panel 100, and two opposite sides of the adhesive 500 are respectively bonded to the support portion 210 and the light incident surface 101 of the display panel 100, so that on one hand, the adhesive 500 can bond the support portion 210 and the display panel 100 together, and the connection stability between the support portion 210 and the display panel 100 is ensured, thereby avoiding the risk of the display panel 100 coming off; on the other hand, the adhesive 500 also provides a buffering effect for the display panel 100, and prevents the display panel 100 from being damaged due to the impact on the supporting portion 210.
In addition, in the installation process, the double-sided adhesive tape may be firstly adhered to the supporting portion 210, then the display panel 100 is placed on the double-sided adhesive tape, and finally the structural adhesive is filled in the gap between the retaining wall 220 and the display panel 100, it can be understood that, when the flowing structural adhesive is filled, the side of the double-sided adhesive tape facing the retaining wall 220 also has a better limiting effect on the structural adhesive, so as to prevent the structural adhesive from flowing to the display area of the display panel 100.
Further, referring to fig. 1 to fig. 12, in the first, second, third and fourth embodiments, the projection of the adhesive 500 on the light incident surface 101 of the display panel 100 is located on the side of the edge of the light incident surface 101 away from the retaining wall 220, and the reinforcing adhesive 400 extends between the display panel 100 and the supporting portion 210 and is connected to the adhesive 500.
The projection of the adhesive 500 on the light incident surface 101 of the display panel 100 is located on one side of the edge of the light incident surface 101, which is far away from the retaining wall 220, so that a gap is left between the edge of the light incident surface 101 and the supporting portion 210, and the reinforcing adhesive 400 can extend to a position between the display panel 100 and the supporting portion 210, so that the adhesion area between the reinforcing adhesive 400 and the display panel 100 is increased, the installation strength of the display panel 100 is further improved, and the display device can be allowed to be manufactured into a narrow-frame structure to a certain extent. In addition, the reinforcing glue 400 may be connected to the bonding glue 500, so that the reinforcing glue 400 and the bonding glue 500 are integrated, and the bonding strength of the reinforcing glue 400 and the bonding glue 500 is enhanced, thereby improving the bonding strength of the display panel 100.
The present invention further provides a third embodiment and a fourth embodiment, please refer to fig. 9 to 12 in combination, in the third embodiment and the fourth embodiment, the display device includes a display panel 100 and a middle frame 200, the middle frame 200 is disposed opposite to the display panel 100 and wraps the edge of the display panel 100; the display device further comprises adhesive 500 and reinforcing adhesive 400, wherein the adhesive 500 is sandwiched between the display panel 100 and the middle frame 200, the edge of the adhesive 500 is zigzag, and the reinforcing adhesive 400 covers the edge of the display panel 100 and connects the edge of the adhesive 500 and one side of the middle frame 200 facing the display panel 100; the middle frame 200 is disposed lower than a surface of the display panel 100 facing away from the supporting portion 210.
It should be noted that, in the present invention, it is defined that the position of the display panel 100 is higher than the position of the supporting portion 210, that is, the direction from the display panel 100 to the supporting portion 210 is from high to low. The surface of the display panel 100 away from the supporting portion 210 is defined as a light emitting surface 102, the surface of the display panel 100 facing the supporting portion 210 is defined as a light incident surface 101, the light emitting surface 102 and the light incident surface 101 are arranged opposite to each other, and the middle frame 200 is arranged lower than the light emitting surface 102, so that the part above the middle frame 200 is a suspension space, and a worker can operate an injection head at the space to inject the reinforcement adhesive 400 between the middle frame 200 and the display panel 100, so that the operation space of the injection head is large, and the injection head is prevented from scratching the display panel 100 or the middle frame 200.
In addition, in the present invention, the adhesive 500 is disposed between the middle frame 200 and the display panel 100, so that the connection area between the display panel 100 and the middle frame 200 is increased, and the installation stability of the display panel 100 is further improved. Further, the reinforcing glue 400 covers the edge of the display panel 100 and connects the adhesive glue 500 and the side of the middle frame 200 facing the display panel 100, so that the reinforcing glue 400 further increases the connection area of the display panel 100 and the middle frame 200, thereby improving the installation stability of the display panel 100. In the invention, the edge of the bonding glue 500 is zigzag, so that when the reinforcing glue 400 is connected with the bonding glue 500, the connection area of the reinforcing glue 400 and the bonding glue 500 is increased, so that one edge of the reinforcing glue 400 connected with the bonding glue 500 is longer, and the connection area of the reinforcing glue 400 and the display panel 100 is increased; when the bonding force of the reinforcement adhesive 400 is stronger than that of the bonding adhesive 500, the connection area between the reinforcement adhesive 400 and the display panel 100 is increased, so that the display panel 100 is more stably mounted.
Specifically, in the fourth embodiment, please refer to fig. 11 and 12 in combination, the middle frame 200 may have a supporting portion 210, the supporting portion 210 is disposed opposite to the light incident surface 101 of the display panel 100 and is close to the edge of the light incident surface 101; the adhesive 500 is adhered between the support portion 210 and the display panel 100. The middle frame 200 does not have the retaining wall 220 arranged opposite to the side wall of the display panel 100, that is, the top surface of the supporting part 210 of the middle frame 200 is the top surface of the middle frame 200, and at this time, the effect that the middle frame 200 is lower than the surface of the display panel 100 away from the supporting part 210 can be ensured, so that a worker can conveniently perform a glue injection process on the part of the injection head arranged on the supporting part 210 and positioned outside the display panel 100, the operation space is large, and the occurrence of the situation that the injection head scratches the display panel 100 is reduced; and the side walls of the display panel 100 are also covered by the reinforcement adhesive 400, which also provides a good buffering effect for the display panel 100.
Alternatively, in the third embodiment, please refer to fig. 9 and 10 in combination, the middle frame 200 may further have a retaining wall 220 disposed opposite to the side of the display panel 100, the retaining wall 220 is connected to the supporting portion 210, the retaining wall 220 is lower than the surface of the display panel 100 away from the supporting portion 210, and the reinforcing glue 400 extends between the retaining wall 220 and the display panel 100. By providing the retaining wall 220 opposite to the sidewall of the display panel 100, the retaining wall 220 has a certain supporting and protecting effect on the sidewall of the display panel 100. Further, the reinforcing glue 400 extends to a position between the retaining wall 220 and the display panel 100, so that the retaining wall 220 can be fixed to the display panel 100 by the reinforcing glue 400, the installation strength of the display panel 100 is further improved, and the installation stability of the display panel 100 is ensured. In addition, the direction from the supporting portion 210 to the display panel 100 is defined as a low-to-high direction, and the retaining wall 220 is lower than the surface of the display panel 100 away from the supporting portion 210, so that the position above the retaining wall 220 is in a suspended state, and further, a worker can operate the injection head at the space to inject the reinforcing glue 400 between the middle frame 200 and the display panel 100, so that the operating space of the injection head is large, and the injection head is prevented from scratching the display panel 100 or the middle frame 200.
It should be noted that, on the basis of the scheme that the bonding adhesive 500 is connected to the reinforcing adhesive 400, the edge of the bonding adhesive 500 connected to the reinforcing adhesive 400 is zigzag, and the middle frame 200 is disposed lower than the light emitting surface 102, the scheme of this embodiment may be combined with the schemes of all the embodiments to form a new embodiment, and has all the technical effects of the corresponding embodiments, and details are not repeated herein.
It should be noted that the middle frame 200 further includes the above-mentioned main body 230, and the main body 230 is used for connecting with the backlight bottom frame 310, which can be seen in the above description related to the main body 230, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A display device comprises a display panel and a middle frame, wherein the middle frame comprises a supporting part, the display panel is provided with a light incident surface and a side surface, the side surface of the display panel is connected with the light incident surface of the display panel at an included angle, and the supporting part is arranged opposite to the light incident surface and close to the edge of the light incident surface and is used for supporting the display panel; it is characterized in that the preparation method is characterized in that,
the middle frame also comprises a retaining wall and a main body part; the retaining wall is opposite to the side face of the display panel and is connected with the supporting part, and the main body part is connected with one side of the supporting part, which is far away from the light incident surface;
an injection channel is formed in the retaining wall and/or the main body part and communicated with a gap formed between the retaining wall and the display panel; the display device further includes a reinforcing glue filling the gap and the injection channel.
2. The display device as claimed in claim 1, wherein the injection passage comprises a groove and a through hole which are communicated with each other, the groove is opened at a side of the retaining wall facing away from the supporting portion, a through hole is opened at a groove wall of the groove, and the through hole is communicated with the gap.
3. The display device according to claim 2, wherein the groove is provided in the main body portion, and the through hole penetrates the support portion and communicates with the gap.
4. The display device according to claim 2, wherein a central axis of the through-hole is disposed at an acute angle to an extending direction of the dam.
5. The display device of claim 2, wherein the through holes are provided in at least two, at least two of the through holes being evenly spaced.
6. The display device of claim 5, wherein the groove is U-shaped or V-shaped.
7. The display device of claim 6, wherein the through-hole has a bar shape or a circular shape.
8. The display device according to any one of claims 1 to 7, further comprising an adhesive disposed between the support portion and the display panel, wherein opposite sides of the adhesive respectively adhere the support portion and the light incident surface.
9. The display device of claim 8, wherein the adhesive glue connects the reinforcing glue, and edges of the adhesive glue connecting the reinforcing glue are serrated.
10. The display device according to any one of claims 1 to 7, wherein a direction from the supporting portion to the display panel is defined as a low-to-high direction, a surface of the display panel facing away from the light incident surface is a light emitting surface, and the retaining wall is disposed lower than the light emitting surface.
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| CN114859606A (en) * | 2022-07-05 | 2022-08-05 | 惠科股份有限公司 | Backlight module and display device |
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| CN113744645B (en) | 2022-07-05 |
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