CN113744645B - Display device - Google Patents
- ️Tue Jul 05 2022
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 panel100 and a
middle frame200, the
middle frame200 includes a supporting
portion210, the
display panel100 has a
light incident surface101 and a side surface, the side surface of the
display panel100 forms an included angle with the
light incident surface101, the supporting
portion210 is disposed opposite to the
light incident surface101 and is close to an edge of the
light incident surface101 for supporting the
display panel100; the
middle frame200 further includes a
retaining wall220 and a
main body portion230, the
retaining wall220 is disposed opposite to the side surface of the
display panel100 and connected to the supporting
portion210, and the
main body portion230 is connected to a side of the supporting
portion210 away from the
light incident surface101; the
retaining wall220 and/or the
main body230 are/is provided with an
injection channel203, and the
injection channel203 is communicated with a gap formed between the
retaining wall220 and the
display panel100; the display device further comprises a
reinforcement glue400, the
reinforcement glue400 filling the gap and the
injection channel203.
The
display panel100 is used for displaying information, such as text information, picture information, or video information. The
display panel100 is provided with a backlight module on a side thereof close to the
light incident surface101, the backlight module has a
backlight assembly300 and a
middle frame200, and the
middle frame200 is used for connecting the
display panel100 and the
backlight assembly300 together to form an integral display device. The
middle frame200 of the present invention includes a supporting
portion210, and one side of the supporting
portion210 is disposed opposite to the
light incident surface101 of the
display panel100 and is close to the edge of the
display panel100, so as to prevent the supporting
portion210 from blocking the display area of the
display panel100 and affecting the display effect of the
display panel100. In addition, the supporting
portion210 may be used to support the
display panel100 and to separate the
display panel100 from the
backlight assembly300. The
middle frame200 of the present invention further includes a
retaining wall220, and the
retaining wall220 is disposed opposite to the side surface of the
display panel100 and connected to the supporting
portion210, so it can be understood that a gap is formed between the
retaining wall220 and the
display panel100. The
middle frame200 further includes a
main body portion230, the
main body portion230 is disposed on a side of the supporting
portion210 away from the
light incident surface101, so that the
main body portion230 can further support the
display panel100 and the supporting
portion210, and can also be connected to the
backlight module300 through the
main body portion230. By forming the
injection channel203 communicated with the gap on the
retaining wall220 and/or the
main body230, a worker can inject glue into the gap formed between the
retaining wall220 and the
display panel100 through the
injection channel203, thereby reducing the occurrence of the situation that the injection head directly touches the
display panel100, and ensuring that the
display panel100 has better display effect and better integrity. It can be understood that when the worker injects the reinforcing
glue400 through the
injection channel203, the reinforcing
glue400 may only fill the gap formed between the
retaining wall220 and the
display panel100, and also fill the
injection channel203 at the same time, so that the outer surface of the
retaining wall220 is more flat, and more dust or impurities are prevented from entering the
injection channel203. Specifically, in order to facilitate injection of the reinforcing
adhesive400, the reinforcing
adhesive400 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 wall220 and/or the
main body230 is provided with an
injection channel203, which includes: the
retaining wall220 is provided with an
injection channel203, and the
main body230 is not provided with the
injection channel203; or the
main body230 is provided with the
injection channel203, while the
retaining wall220 is not provided with the
injection channel203, and when the
main body230 is provided with the
injection channel203, in order to enable the
injection channel203 to communicate with the gap between the
retaining wall220 and the
display panel100, the
injection channel203 needs to penetrate through the supporting
portion210; or the
retaining wall220 and the
main body230 are both provided with the
injection passage203. Note that the side surface of the
display panel100 forms an angle with the
light incident surface101 of the
display panel100, and means that the side surface of the
display panel100 forms an acute angle, a right angle, or an obtuse angle with the light incident surface of the
display panel100.
In the
display panel100 of the present invention, the
upper polarizer110, the
color filter substrate120, the
tft array substrate130, and the
lower polarizer140 may be stacked from a side away from the supporting
portion210 to a side close to the supporting
portion210, wherein the
lower polarizer140 has a size smaller than that of the
tft array substrate130 and is disposed in the middle of the
tft array substrate130 to expose the edge of the
tft array substrate130, so that the supporting
portion210 may be disposed corresponding to the edge of the
tft array substrate130 without affecting the normal display function of the
display panel100. The
lower polarizer140 may correspond to the middle portion of the
tft array substrate130, the supporting
portion210 is disposed around the periphery of the
lower polarizer140 and spaced apart from the
lower polarizer140, and in combination with the scheme that the
display panel100 has the
light incident surface101, the surface of the
tft array substrate130 facing the
lower polarizer140 may be the
light incident surface101 of the
display panel100. In addition, the
backlight assembly300 may be disposed on a side of the supporting
portion210 away from the
display panel100 to provide a backlight for the
display panel100. The
backlight assembly300 may further include a
backlight bottom frame310, wherein the
backlight bottom frame310 is used for accommodating the
reflective sheet320, the
light guide plate330 and the
optical film340, and the
reflective sheet320, the
light guide plate330 and the
optical film340 are respectively stacked from a side away from the supporting
portion210 to a side close to the supporting
portion210. The
backlight bottom frame310 is connected to the
middle frame200, and particularly, the
backlight bottom frame310 may be connected to the
main body230 of the
middle frame200, so that the effect of connecting the
middle frame200 to the
backlight assembly300 can be achieved. The
backlight bottom frame310 may be integrated with the
middle frame200, so as to ensure the stability of the connection between the
middle frame200 and the
backlight assembly300; or the
backlight bottom frame310 can be connected with the
middle frame200 in a buckling manner, so that the
backlight bottom frame310 and the
middle frame200 can be conveniently disassembled and assembled, and further, when the
backlight bottom frame310 or the
middle frame200 is damaged, the damaged parts can be disassembled and independently replaced, so that the replacement cost is saved. Specifically, the
backlight bottom frame310 includes a
bottom plate311 and
side plates312; the
bottom plate311 is disposed opposite to the
display panel100 and located on a side of the supporting
portion210 away from the
display panel100; the
side plate312 has one end connected to the
bottom plate311 and the other end connected to the
main body230 in an integrated structure or a snap-fit connection.
The supporting
portion210 of the
middle frame200 of the present invention is used to support the
display panel100, and can isolate the
display panel100 from the components of the supporting
portion210 away from the side of the
display panel100, so as to ensure the normal working state of the
display panel100 and other components. In addition, the supporting
portion210 is close to the edge of the
light incident surface101, so that the supporting
portion210 does not affect the function of the
display panel100 for normally displaying the image on the
display panel100 on the premise that the
display panel100 can be supported. Further, the
middle frame200 further includes a
retaining wall220 connected to the
support portion210, the retaining
wall220 is disposed opposite to the side of the
display panel100, and the
retaining wall220 of the
middle frame200 is connected to the
support portion210 and disposed opposite to the side of the
display panel100, so that the
retaining wall220 can have a better supporting and protecting effect on the side of the
display panel100. The reinforcing
glue400 is filled between the retaining
wall220 and the
display panel100, and the reinforcing
glue400 connects the
retaining wall220 and the
display panel100, so that the adhesion area of the
display panel100 is increased, and the connection strength of the
middle frame200 and the
display panel100 is improved. By providing the
main body230, the
main body230 is connected to a side of the supporting
portion210 away from the
display panel100, and the
main body230 can further enhance the supporting strength of the supporting
portion210. By forming the
injection channel203 on the
main body230 and/or the
retaining wall220 and communicating the gap between the
display panel100 and the
retaining wall220, it is convenient for a worker to inject the reinforcing adhesive 400 into the gap between the
display panel100 and the
retaining wall220 through the
injection channel203, so as to prevent an injection head injecting the reinforcing adhesive 400 from scratching the
display panel100, and ensure the integrity of the
display panel100.
Further, referring to fig. 1 to 8, in the first embodiment or the second embodiment, the
injection channel203 includes a
groove201 and a through
hole202 that are communicated with each other, the
groove201 is opened on a side of the
retaining wall220 away from the supporting
portion210, the groove wall of the
groove201 is opened with the through
hole202, and the through
hole202 is communicated with the gap.
By the
injection channel203 comprising the
groove201 and the through
hole202 which are communicated with each other, the
groove201 is opened at the side of the
retaining wall220 away from the supporting
portion210, and the through
hole202 is opened at the groove wall of the
groove201, it can be understood that the opening of the
groove201 can be larger than the opening of the through
hole202, 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
holes202 may be provided, and when at least two through
holes202 are provided, the at least two through
holes202 are uniformly spaced.
So set up, make the workman stretch into the back in the
recess201 with the injection head,
reinforcement glue400 can enter into the clearance between
barricade220 and
display panel100 through two or more through-
holes202 simultaneously, improved injecting glue efficiency on the one hand, on the other hand makes to barricade 220 and
display panel100 in the clearance inject the volume of
reinforcement glue400 everywhere more even,
guarantee display panel100 the side everywhere can realize comparatively even firm connection effect with
barricade220.
Further, in the first embodiment or the second embodiment, the
groove201 is provided in the
body portion230, and the through
hole202 penetrates the
support portion210 to communicate with the gap.
It is understood that the
main body part230 may be provided as a strong portion since the
main body part230 is not provided to face the side surface of the
display panel100. In this embodiment, the
groove201 is disposed on the
main body230, the through
hole202 penetrates through the supporting
portion210, on the one hand, the overall strength of the
middle frame200 is convenient to ensure, on the other hand, in the glue injection process of a worker, the
display panel100 is defined to be located above the supporting
portion210, and the
groove201 is located below the supporting
portion210, so that when the worker injects glue through the
groove201, the glue injection head used in the glue injection process touches the
retaining wall220 and the
display panel100, and thus, the retaining
wall220 and the
display panel100 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
hole202 and the extending direction of the
retaining wall220 form an acute angle.
Through the arrangement that the central axis of the through
hole202 and the extending direction of the
retaining wall220 form an acute angle, on one hand, the through
hole202 is ensured to be capable of penetrating through the supporting
portion210, on the other hand, the glue injection process is also convenient for workers, and in the glue injection process of the workers, the reinforcing
glue400 can be ensured to enter the gap between the retaining
wall220 and the
display panel100 along the through
hole202 as soon as possible.
Specifically, referring to fig. 1 to 8, in the first embodiment or the second embodiment, the
groove201 is U-shaped or V-shaped.
By arranging the
groove201 in a U shape, the space of the injection head arranged in the
groove201 can be larger, and the injection head is further prevented from scratching the
middle frame200. By arranging the
groove201 in a V shape, the V-shaped
groove201 space is made smaller than the
U-shaped groove201 space, so that the strength of the
middle frame200 is higher.
Of course, in other embodiments, the
groove201 may have other shapes, for example, the
groove201 may also have a semicircular shape or other shapes.
Further, in the first embodiment or the second embodiment, the through
hole202 has a long bar shape or a circular shape.
Through setting up through-
hole202 into long strip, then the size of through-
hole202 is great to make the injection head be convenient for more to annotate the glue in the through-
hole202, and then realize being convenient for to the effect of injecting the glue in the clearance that forms between
barricade220 and
display panel100. By providing the through
hole202 in a circular shape, the manufacturing process is simplified, and the
middle frame200 can be easily molded.
Of course, in other embodiments, the through-
hole202 may have other shapes, such as rectangular, diamond, or other shapes.
It should be noted that the shape of the
groove201 and the shape of the through
hole202 may be combined arbitrarily, for example, when the shape of the
groove201 is U-shaped, the through
hole202 is formed in a long strip shape; or when the
groove201 is U-shaped, the through
hole202 is formed in a circular shape; or when the
groove201 is in a V shape, the through
hole202 is formed in a long strip shape; or when the
groove201 is V-shaped, the through
hole202 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
portion210 and the
display panel100, and two opposite sides of the adhesive 500 are respectively adhered to the supporting
portion210 and the
light incident surface101.
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 portion210 and the
light incident surface101 of the
display panel100, and two opposite sides of the adhesive 500 are respectively bonded to the
support portion210 and the
light incident surface101 of the
display panel100, so that on one hand, the adhesive 500 can bond the
support portion210 and the
display panel100 together, and the connection stability between the
support portion210 and the
display panel100 is ensured, thereby avoiding the risk of the
display panel100 coming off; on the other hand, the adhesive 500 also provides a buffering effect for the
display panel100, and prevents the
display panel100 from being damaged due to the impact on the supporting
portion210.
In addition, in the installation process, the double-sided adhesive tape may be firstly adhered to the supporting
portion210, then the
display panel100 is placed on the double-sided adhesive tape, and finally the structural adhesive is filled in the gap between the retaining
wall220 and the
display panel100, it can be understood that, when the flowing structural adhesive is filled, the side of the double-sided adhesive tape facing the retaining
wall220 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 panel100.
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 surface101 of the
display panel100 is located on the side of the edge of the
light incident surface101 away from the retaining
wall220, and the reinforcing adhesive 400 extends between the
display panel100 and the supporting
portion210 and is connected to the adhesive 500.
The projection of the adhesive 500 on the
light incident surface101 of the
display panel100 is located on one side of the edge of the
light incident surface101, which is far away from the retaining
wall220, so that a gap is left between the edge of the
light incident surface101 and the supporting
portion210, and the reinforcing adhesive 400 can extend to a position between the
display panel100 and the supporting
portion210, so that the adhesion area between the reinforcing adhesive 400 and the
display panel100 is increased, the installation strength of the
display panel100 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
glue400 may be connected to the
bonding glue500, so that the reinforcing
glue400 and the
bonding glue500 are integrated, and the bonding strength of the reinforcing
glue400 and the
bonding glue500 is enhanced, thereby improving the bonding strength of the
display panel100.
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 panel100 and a
middle frame200, the
middle frame200 is disposed opposite to the
display panel100 and wraps the edge of the
display panel100; the display device further comprises adhesive 500 and reinforcing adhesive 400, wherein the adhesive 500 is sandwiched between the
display panel100 and the
middle frame200, the edge of the adhesive 500 is zigzag, and the reinforcing adhesive 400 covers the edge of the
display panel100 and connects the edge of the adhesive 500 and one side of the
middle frame200 facing the
display panel100; the
middle frame200 is disposed lower than a surface of the
display panel100 facing away from the supporting
portion210.
It should be noted that, in the present invention, it is defined that the position of the
display panel100 is higher than the position of the supporting
portion210, that is, the direction from the
display panel100 to the supporting
portion210 is from high to low. The surface of the
display panel100 away from the supporting
portion210 is defined as a
light emitting surface102, the surface of the
display panel100 facing the supporting
portion210 is defined as a
light incident surface101, the
light emitting surface102 and the
light incident surface101 are arranged opposite to each other, and the
middle frame200 is arranged lower than the
light emitting surface102, so that the part above the
middle frame200 is a suspension space, and a worker can operate an injection head at the space to inject the reinforcement adhesive 400 between the
middle frame200 and the
display panel100, so that the operation space of the injection head is large, and the injection head is prevented from scratching the
display panel100 or the
middle frame200.
In addition, in the present invention, the adhesive 500 is disposed between the
middle frame200 and the
display panel100, so that the connection area between the
display panel100 and the
middle frame200 is increased, and the installation stability of the
display panel100 is further improved. Further, the reinforcing
glue400 covers the edge of the
display panel100 and connects the
bonding glue500 and the side of the
middle frame200 facing the
display panel100, so that the reinforcing
glue400 further increases the connection area between the
display panel100 and the
middle frame200, thereby improving the installation stability of the
display panel100. In the invention, the edge of the
bonding glue500 is zigzag, so that when the reinforcing
glue400 is connected with the
bonding glue500, the connection area of the reinforcing
glue400 and the
bonding glue500 is increased, so that one edge of the reinforcing
glue400 connected with the
bonding glue500 is longer, and the connection area of the reinforcing
glue400 and the
display panel100 is increased; when the bonding force of the
reinforcement adhesive400 is stronger than that of the
bonding adhesive500, the connection area between the
reinforcement adhesive400 and the
display panel100 is increased, so that the
display panel100 is more stably mounted.
Specifically, in the fourth embodiment, please refer to fig. 11 and 12 in combination, the
middle frame200 may have a supporting
portion210, the supporting
portion210 is disposed opposite to the
light incident surface101 of the
display panel100 and is close to the edge of the
light incident surface101; the adhesive 500 is adhered between the
support portion210 and the
display panel100. The
middle frame200 does not have the
retaining wall220 arranged opposite to the side wall of the
display panel100, that is, the top surface of the supporting
part210 of the
middle frame200 is the top surface of the
middle frame200, and at this time, the effect that the
middle frame200 is lower than the surface of the
display panel100 away from the supporting
part210 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
part210 and positioned outside the
display panel100, the operation space is large, and the occurrence of the situation that the injection head scratches the
display panel100 is reduced; and the side walls of the
display panel100 are also covered by the
reinforcement adhesive400, which also provides a good buffering effect for the
display panel100.
Alternatively, in the third embodiment, please refer to fig. 9 and 10 in combination, the
middle frame200 may further have a
retaining wall220 disposed opposite to the side of the
display panel100, the retaining
wall220 is connected to the supporting
portion210, the retaining
wall220 is lower than the surface of the
display panel100 away from the supporting
portion210, and the reinforcing
glue400 extends between the retaining
wall220 and the
display panel100. By providing the
retaining wall220 opposite to the sidewall of the
display panel100, the retaining
wall220 has a certain supporting and protecting effect on the sidewall of the
display panel100. Further, the reinforcing
glue400 extends to a position between the retaining
wall220 and the
display panel100, so that the
retaining wall220 can be fixed to the
display panel100 by the reinforcing
glue400, the installation strength of the
display panel100 is further improved, and the installation stability of the
display panel100 is ensured. In addition, the direction from the supporting
portion210 to the
display panel100 is defined as a low-to-high direction, and the
retaining wall220 is lower than the surface of the
display panel100 away from the supporting
portion210, so that the position above the retaining
wall220 is in a suspended state, and a worker can operate the injection head at the space to inject the reinforcing
glue400 between the
middle frame200 and the
display panel100, so that the operation space of the injection head is large, and the injection head is prevented from scratching the
display panel100 or the
middle frame200.
It should be noted that, on the basis of the scheme that the
bonding adhesive500 is connected to the reinforcing adhesive 400, the edge of the
bonding adhesive500 connected to the reinforcing adhesive 400 is zigzag, and the
middle frame200 is disposed lower than the
light emitting surface102, 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 frame200 further includes the above-mentioned
main body230, and the
main body230 is used for connecting with the
backlight bottom frame310, which can be seen in the above description related to the
main body230, 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.