CN211088279U

CN211088279U - Display panel and display terminal

Info

Publication number: CN211088279U
Application number: CN202020242966.7U
Authority: CN
Inventors: 许景欣
Original assignee: Kunshan Govisionox Optoelectronics Co Ltd
Current assignee: Kunshan Govisionox Optoelectronics Co Ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-07-24
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses among the technical scheme, display panel include the panel main part and set up in the heat dissipation protection architecture at the panel main part back, heat dissipation protection architecture include two-layer graphite alkene layer, it has the heat-conducting layer to fill between the two-layer graphite alkene layer. With the help of the radiation heat dissipation characteristic of the graphene, after the heat of the panel main body is volatilized to the middle heat conduction layer, the heat is volatilized to the outside of the display panel by utilizing the graphene metal layer on the other side, and the problem that the heat generated by the heating element is not easy to volatilize is solved.

Description

Display panel and display terminal

Technical Field

The utility model relates to a show technical field, especially relate to a display panel and display terminal.

Background

The O L ED Display device not only has excellent Display performance, but also has the characteristics of self-luminescence, simple structure, ultra-light and thinness, high response speed, wide viewing angle, low power consumption, realization of flexible Display and the like, is known as a dream Display, is favored by various Display manufacturers, and has become the dominant force in the Display technical field.

However, because the current display is highly integrated, the heat generated by the heating element is not easy to volatilize and dissipate, and the continuously accumulated heat affects the performance and the service life of the product.

Therefore, how to dissipate the heat generated by the display as soon as possible is a problem that needs to be solved.

Disclosure of Invention

The utility model provides a heat dissipation protection architecture and display panel to solve current display because highly integrated, the heat that heating element produced is difficult for volatilizing the problem of going.

In order to solve the technical problem, the utility model provides a display panel, this kind of display panel include the panel main part and set up in the heat dissipation protection architecture at the panel main part back, heat dissipation protection architecture includes two-layer graphite alkene layer, it has the heat-conducting layer to fill between the two-layer graphite alkene layer.

In another embodiment of the present invention, the heat conducting layer is foam, the foam is embedded with a metal spring, and the metal spring is oriented to the graphene layer.

In another embodiment of the present invention, the number of the metal springs is plural, and the plural metal springs are arranged in the heat conducting layer in a uniform array.

In another embodiment of the present invention, the metal spring is in contact with both of the two graphene metal layers.

In another embodiment of the present invention, the heat conducting layer is a foam, the foam is embedded with a spiral heat conducting pipe, the spiral heat conducting pipe is parallel to the graphene layer. In another embodiment of the present invention, the spiral heat pipe is internally provided with a heat dissipating liquid.

In another embodiment of the present invention, the thickness of the inner wall of the heat conducting pipe is within the range of 0.05-1 mm.

In another embodiment of the present invention, the heat dissipation protection structure further includes a thermal conductive adhesive layer, the thermal conductive adhesive layer is disposed on one of the graphene layers, which is away from one side of the thermal conductive layer and is in back contact with the panel main body.

In another embodiment of the present invention, the thickness of the thermal conductive adhesive layer is within the range of 0.01-0.05 mm.

In order to solve the technical problem, the utility model also provides a display terminal has above each item display panel.

Drawings

Fig. 1 is a schematic view of a heat dissipation protection structure according to an embodiment of the present invention.

Fig. 2 is a schematic view of a heat dissipation protection structure according to another embodiment of the present invention.

Fig. 3 is a sectional view of the heat dissipation protection structure shown in fig. 1 in a direction a-a.

Fig. 4 is a schematic structural diagram of a display panel according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a panel body in the display panel shown in fig. 4.

Reference numerals:

1-graphene metal layer

2-heat conducting layer

21-metal spring

22-heat conducting pipe

3-heat-conducting glue layer

4-Panel body

41-array substrate

42-encapsulation layer

43-polarizer

44-chip circuit board

45-touch control circuit board

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

The directional terms such as "up", "down", "left" and "right" related to the embodiments of the present invention refer to relative positions in the coordinate axis, rather than absolute positions. The embodiments of the present invention relate to "upper" and "upper" which can be understood as contacting or not contacting each other, and can be set by those skilled in the art according to actual conditions, and can not be understood as limitations of the present invention.

As described in the background, the existing displays are in a wide variety and have excellent display characteristics, and the integration level of the displays is higher and higher while pursuing high resolution, high storage characteristics and other display characteristics, and if heat is generated in the display process of the highly integrated component display, the continuous accumulation of heat will affect the performance and the service life of the display if the heat is not dissipated. Based on this, the utility model provides a display panel, this display panel have good heat-sinking capability, can make the heat of panel main part dispel as early as possible, have avoided the adverse effect that continuous accumulation's heat brought for the panel main part, and then avoid heat influence display panel's performance and life. It is worth noting that the heat of the display panel solved by the present invention is not only generated by the heat generated by the highly integrated components, but also generated by other reasons, such as environmental factors. The utility model discloses only solve display panel's heat dissipation problem, as for the heat by what kind of reason arouses, the utility model discloses do not specifically limit.

The utility model discloses a display panel includes panel main part and heat dissipation protection architecture, and the panel main part is including walking line and luminescence unit, because there is the heat gathering in inside or the outside reason panel main part, and the temperature that the concrete appearance is the panel main part is higher than external environment temperature, perhaps, the temperature of operating condition's panel main part is higher than non-operating condition's panel main part temperature.

The heat dissipation protection structure can dissipate the heat accumulated on the panel main body as soon as possible, and adverse effects brought to the panel main body by continuous accumulation of the heat are avoided. The fact that the heat is dissipated as soon as possible means that the heat of the display panel with the heat dissipation protection structure is lost faster than the heat of the display panel without the heat dissipation protection structure.

The heat dissipation protection structure can be positioned on any surface of the panel main body, and the heat dissipation protection structure and the panel main body can be of an integrally formed structure or a two-part structure; can be disassembled and separated from each other or can not be disassembled and separated; when the display panels are shipped, the display panels can be connected or not connected together; in a display terminal (such as a mobile phone, a computer, etc.) having the display panel, the heat dissipation protection structure and the panel main body may be separated from each other, or may not be separated from each other.

The present invention provides a display panel, which comprises a panel body and a heat dissipation protection structure, wherein the panel body comprises a display surface and a back surface opposite to the display surface, and the heat dissipation protection structure is located on the back surface of the panel body. On one hand, the picture display of the panel main body is not influenced, on the other hand, the heat of the components of the panel main body is dissipated as soon as possible, and the influence on the performance and the service life of the display panel caused by overheating and overburning of the components and the wiring is avoided.

The heat dissipation protection structure may cover the entire back surface of the panel main body so as to uniformly dissipate heat of the entire panel main body. The heat dissipation protection structure can also only cover a part of the back surface of the panel main body, so that the part with higher heat of the panel main body can be dissipated in a targeted manner.

As shown in fig. 1, the heat dissipation protection structure includes two graphene layers 1, and a heat conduction layer 2 is filled between the two graphene layers 1. Graphene layer 1 has good radiation heat dissipation characteristics, can volatilize the heat of panel main part to middle heat-conducting layer 2 with the help of one of them layer graphene layer 1 to with the help of the radiation heat dissipation characteristics of another layer graphene layer 1, volatilize the heat in whole display panel's the exterior structure. The laminated heat dissipation protection structure in the embodiment prolongs the heat dissipation path of the panel main body, so that the heat of the panel main body is better volatilized to the outside, and the influence on the performance and the service life of the display panel caused by the accumulation of the heat in the panel main body is avoided.

Wherein, graphite alkene layer 1 can be directly attached to heat-conducting layer 2, also can deposit and contact with the heat-conducting layer again on the carrier, and the carrier can be glass or metal, and the skilled person in the art can freely select according to actual conditions, for example when the carrier is the metal, can guarantee heat conductivility and also can compromise structural stability, can make the quick transmission between two layers of graphite alkene of heat, further accelerate thermal volatilization.

It should be noted that, in this embodiment, only one laminated structure of the graphene layer 1, the heat conduction layer 2, and the graphene layer 1 is listed, and actually, the heat dissipation protection structure may further include a plurality of laminated structures, and each of two adjacent graphene layers includes one heat conduction layer therebetween. The number of the laminated structures and the thicknesses of the graphene layers and the heat conducting layers can be set by a person skilled in the art according to actual conditions, and are determined by comprehensive consideration of influence factors such as heat dissipation speed, display panel thickness and cost.

The heat conducting layer 2 may include a material with good heat conducting property, such as metal, which enables heat to be rapidly transferred between two graphene layers, and further accelerates the volatilization of heat. As shown in fig. 2, in another embodiment of the present invention, the heat conducting layer is foam (not shown), and the foam is embedded with metal springs 21, which extend toward the graphene layer. The foam of heat-conducting layer can make the heat transfer between adjacent two-layer graphite alkene layer 1, can play the buffering guard action to panel main part and graphite alkene layer 1 simultaneously. The metal spring 21 further plays a role of transferring heat, and simultaneously, the elasticity of the spring is utilized to support the panel main body, so that the damage of stress to the panel main body is prevented. Under the cooperative action of foam and metal spring, the heat transfer with the panel main part that can be quick is outside to the device, gives panel main part buffering guard action simultaneously, and overall structure is also more stable, and the two is lacked one by one.

Metal spring 21 can be a plurality of, and a plurality of metal spring 21 all extend along 1 orientation on graphite alkene layer to even array is arranged in heat-conducting layer 2, the heat of each position of conduction panel main part that can be even, and protects the panel main part, avoids the injury that the stress in use or production process caused the panel main part. Of course, the metal springs 21 may be unevenly distributed in the heat conduction layer 2, and a larger number of metal spring structures may be disposed at the panel body portion that is easily heated or the panel body portion that is easily damaged by stress. And a small number of metal spring structures are arranged at the panel main body part which is not easy to generate heat or the panel main body part which is not easy to be damaged by stress. The panel body portion that is likely to generate heat may refer to a portion where the number of components is large or a panel body portion having a high temperature, and the panel body portion that is likely to be damaged by stress may refer to a corner portion, an edge portion, or the like of the panel body.

As shown in fig. 2, the heat conductive layer includes a metal spring 21, and the metal spring 21 may be a plurality of springs, and the metal spring 21 is embedded in the foam and extends toward the graphene layer 1. Wherein, two flexible ends of the metal spring 21 are respectively contacted with two adjacent graphene layers 1. On the one hand, metal spring 21 can make better the conducting of heat with the 1 contact on graphite alkene layer at both ends, and on the other hand, it is more stable with the metal spring structure 21 of the 1 contact on graphite alkene layer at both ends, is difficult for taking place the dystopy in the bubble is cotton, gives the better holding power of panel main part simultaneously, protects the panel main part and can not receive the injury because of stress. Of course, the two telescopic ends of the metal spring may not contact with the adjacent graphene layers, or one telescopic end of the metal spring may contact with the graphene layer, and the other telescopic end does not contact with the graphene layer. The technical personnel in the field can set up according to the actual needs.

The quantity of metal spring 21 in this embodiment, position, material, spring aperture, thickness of arranging, the cotton thickness of bubble, material can be selected according to actual conditions, the utility model discloses do not do specific restriction to this.

Specifically, the metal spring 21 can be processed by silver or copper with high heat conductivity coefficient, the thickness of the heat conduction layer 2 is 0.05-1.0 mm, and the design can provide support protection for the panel main body under the condition that the thickness of the display panel is not obviously increased, and meanwhile, the heat dissipation speed of the panel main body is accelerated.

The heat conduction layer in this embodiment includes that metal spring 21 and bubble are cotton, and metal spring 21 plays the effect that supports the protection panel main part and heat conduction, and the bubble is cotton to play the effect of stress buffering, effectively alleviates the adverse effect that stress brought panel main part, graphite alkene layer 1 or spiral heat pipe 22. Under mutually supporting of metal spring 21 and bubble cotton structure, the heat that can make the panel main part on the one hand dispels as early as possible, and on the other hand also plays the effect of supporting the protection and relieving stress to the panel main part, has effectively alleviated the heat accumulation of panel main part and the adverse effect that brings display panel's performance and life.

As shown in fig. 3, in another embodiment of the present invention, the heat conduction layer 2 is made of foam, the foam is embedded with a spiral heat conduction pipe 22, and the spiral heat conduction pipe 22 is parallel to the graphene layer 1. The spiral heat conducting pipe 22 can conduct the heat of one graphene layer 1 to another graphene layer 1, and further volatilize to the outside of the display panel. The foam can play a role in buffering, and damage to the panel body, the graphene layer 1 or the spiral heat-conducting pipe 22 caused by stress is avoided. The fact that the spiral heat pipe 22 is disposed in parallel with the graphene layer 1 means that a plane where the spiral heat pipe 22 is disposed and a plane where the graphene layer 1 is disposed are disposed in parallel with each other. The shape of the spiral heat conducting pipe 22 may be a square spiral shape as shown in fig. 3, in which the side length of the spiral heat conducting pipe gradually increases and extends to the periphery, or may be other spiral shapes, such as a circular spiral shape, in which the radius of the spiral heat conducting pipe gradually increases and extends to the periphery, or may be an irregular spiral shape, and those skilled in the art may specifically set the shape according to the actual situation.

The spiral heat conduction pipes 22 can be uniformly arranged on the heat conduction layer 2, that is, the pitch of the spiral heat conduction pipes 22 is kept constant, so that the heat of the panel body can be uniformly conducted. The spiral heat pipes 22 may also be unevenly distributed in the heat conducting layer 2, for example, the density of the spiral heat pipes 22 at the position where the panel body collects more heat is greater than that at the position where the panel body collects less heat, and the position where the panel body collects more heat may refer to the position with higher temperature.

The spiral heat pipe 22 may be made of a metallic material, such as silver or copper, which has a high thermal conductivity.

The spiral heat pipe 22 is hollow, and a heat dissipating liquid is provided inside, and the heat dissipating liquid may be a liquid having good thermal conductivity, such as water or alcohol. Of course, the heat dissipating liquid may be other liquids, and those skilled in the art may set the heat dissipating liquid according to actual situations.

The inner diameter, inner wall thickness and foam thickness of the spiral heat conducting pipe 22 can be set according to actual conditions to achieve good heat dissipation effect. For example, the thickness of the inner wall of the spiral heat conducting pipe 22 can be 0.05-1 mm, and the thickness of the heat conducting layer 2 can be 0.05-1.0 mm, so that the heat dissipation speed of the panel main body can be increased under the condition that the thickness of the display panel is not obviously increased.

The heat-conducting layer in this embodiment is the bubble cotton, and the bubble cotton is embedded to have the spiral heat pipe, and spiral heat pipe 22 can conduct another graphite alkene layer 1 with the heat of a graphite alkene layer 1, and then volatilizees to the display panel outside. The foam can play a role in buffering, and damage to the panel body, the graphene layer 1 or the spiral heat-conducting pipe 22 caused by stress is avoided. Under the mutually supporting of spiral heat pipe 22 and bubble cotton structure, the heat that can make the panel main part on the one hand dispels as early as possible, and on the other hand also plays the effect of alleviating stress to panel main part, graphite alkene layer 1 or spiral heat pipe 22, has effectively alleviated the heat accumulation of panel main part and the adverse effect that brings display panel's performance and life.

As shown in fig. 4, in another embodiment of the present invention, the heat dissipation protection structure further includes a thermal conductive adhesive layer 3, wherein the thermal conductive adhesive layer 3 is disposed on one side of the graphene layer 1 away from the thermal conductive layer 2 and in back contact with the panel main body 4. The heat-conducting glue layer 3 can enable the heat dissipation protection structure and the panel main body to be tightly connected together, and meanwhile, the heat-conducting glue layer can also play an antistatic role. The heat conductive adhesive layer 3 may be formed by compounding metal oxide with excellent thermal conductivity and organosiloxane, and of course, the heat conductive adhesive layer 3 may also be formed by preparing other materials with excellent thermal conductivity, and those skilled in the art may set the heat conductive adhesive layer according to actual conditions. The thickness of the layer 3 should also be adapted to the thickness of the entire display panel, and is set by the person skilled in the art according to the actual circumstances. Specifically, 3 thickness of heat-conducting adhesive layer are in 0.01 ~ 0.05mm within range, both can effectually be in the same place the inseparable company of heat dissipation protection architecture and panel main part, do not influence the radiating effect of panel main part again.

In this embodiment, the heat dissipation structure further includes a heat conductive adhesive layer 3, and the heat conductive adhesive layer 3 is disposed on one of the graphene layers 1 away from one side of the heat conductive layer 2 and in back contact with the panel main body 4, so that the heat dissipation protection structure and the panel main body are effectively connected together in a tight manner, and the heat dissipation effect of the panel main body is not affected.

As shown in fig. 5, in another embodiment of the present invention, the panel main body 4 further includes an array substrate 41, an encapsulation layer 42 and a polarizer 43, which are stacked, and the thermal conductive adhesive layer 3 of the heat dissipation protection structure is connected to the back surface of the panel main body 4. The end of the array substrate 41 is further provided with a chip circuit board 44 for bonding the circuit board to perform signal control on the whole display panel, and the end of the encapsulation layer 42 is further provided with a touch circuit board 45 for performing touch control on the display panel.

In another embodiment of the present invention, the present invention further includes a display terminal, such as a mobile phone, a tablet, a computer, etc., and the display terminal includes the display panel in each of the above embodiments.

It should be noted that the above description is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a display panel, its characterized in that, including the panel main part and set up in the heat dissipation protection architecture at the panel main part back, heat dissipation protection architecture includes two-layer graphite alkene layer, it has the heat-conducting layer to fill between the two-layer graphite alkene layer.

2. The display panel of claim 1, wherein the thermally conductive layer is foam having metal springs embedded therein, the metal springs extending toward the graphene layer.

3. The display panel of claim 2, wherein the number of the metal springs is plural, and the plural metal springs are arranged in the heat conductive layer in a uniform array.

4. The display panel of claim 2, wherein the metal spring is in contact with both of the two layers of graphene.

5. The display panel of claim 1, wherein the heat conducting layer is foam, and a spiral heat conducting pipe is embedded in the foam and is arranged in parallel with the graphene layer.

6. The display panel of claim 5, wherein the spiral heat pipe is provided with a heat sink.

7. The display panel according to claim 6, wherein the thickness of the inner wall of the spiral heat pipe is in the range of 0.05 to 1 mm.

8. The display panel of claim 1, wherein the heat dissipation protection structure further comprises a thermal conductive adhesive layer disposed on a side of one of the graphene layers away from the thermal conductive layer and in contact with the back surface of the panel body.

9. The display panel according to claim 8, wherein the thickness of the thermal conductive adhesive layer is in a range of 0.01 to 0.05 mm.

10. A display terminal comprising the display panel according to any one of claims 1 to 9.