CN115359736A - Display module and display device - Google Patents

Display module and display device Download PDF

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Publication number
CN115359736A
CN115359736A CN202211164026.0A CN202211164026A CN115359736A CN 115359736 A CN115359736 A CN 115359736A CN 202211164026 A CN202211164026 A CN 202211164026A CN 115359736 A CN115359736 A CN 115359736A
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heat
heat collection
collection layer
display
layer
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CN202211164026.0A
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CN115359736B (en
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方旭阳
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Wuhan Tianma Microelectronics Co Ltd
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Wuhan Tianma Microelectronics Co Ltd
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/33Indicating 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 being semiconductor devices, e.g. diodes
    • G09F9/335Indicating 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 being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954Modifications to facilitate cooling, ventilating, or heating for display panels

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The application provides a display module and a display device, and relates to the technical field of display. The display assembly comprises a display panel; the driving chip is positioned on one side far away from the light-emitting surface of the display panel; the heat conduction battery is clamped between the driving chip and the display panel; the heat conduction battery comprises a first heat collection layer, a second heat collection layer, a first semiconductor layer and a second semiconductor layer, wherein the first semiconductor layer and the second semiconductor layer are positioned between the first heat collection layer and the second heat collection layer; the first heat collecting layer is in contact with the driving chip and is used for absorbing heat of the driving chip; the second heat collection layer is in contact with the display panel for absorbing heat of the display panel. Through heat conduction battery with driver chip and display panel collect and derive at the heat that the during operation produced to reduce driver chip and display panel at the heat that the during operation existed, be favorable to improving display device's life, also be favorable to ensureing that display device can have good display effect.

Description

Display module and display device
Technical Field
The invention relates to the technical field of display, in particular to a display assembly and a display device.
Background
In the prior art, a driving chip in a display device generates heat when working, and particularly, the heat of the driving chip is higher and difficult to dissipate when working in high-temperature weather; since the OLED (Organic light emitting semiconductor) material used in the Display device is fragile, the lifetime of the OLED is easily reduced in a high temperature environment, and thus, a significant problem of Display unevenness is caused.
Therefore, it is desirable to provide a display device capable of improving the heat dissipation effect of the driving chip.
Disclosure of Invention
In view of this, the present invention provides a display module and a display apparatus, so as to improve the heat dissipation effect of the driving chip.
In a first aspect, the present application provides a display assembly comprising:
a display panel;
the driving chip is positioned on one side far away from the light-emitting surface of the display panel;
the heat conduction battery is clamped between the driving chip and the display panel; the thermally conductive cell includes a first heat collection layer, a second heat collection layer, and first and second semiconductor layers between the first and second heat collection layers;
the first heat collecting layer is in contact with the driving chip and is used for absorbing heat of the driving chip; the second heat collection layer is in contact with the display panel for absorbing heat of the display panel.
In a second aspect, the present application provides a display device comprising the display assembly.
Compared with the prior art, the display assembly and the display device provided by the invention at least realize the following beneficial effects:
the application provides a display component and a display device.A heat conduction battery is arranged between a driving chip and a display panel, and the heat generated by the driving chip during working is collected and led out through the heat conduction battery, so that the heat existing in the driving chip during working is reduced; meanwhile, the heat generated by the display panel during working is collected and led out through the heat conduction battery, so that the heat existing in the display panel during working is reduced; the problem that the service life of an adjacent OLED material is shortened due to heat accumulation is avoided, so that the service life of the display device is prolonged, and the display device is ensured to have a good display effect.
Of course, it is not necessary for any product in which the present invention is practiced to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a top view structural diagram of a display module provided in an embodiment of the present application;
FIG. 2 is a cross-sectional view of AA' of FIG. 1 according to an embodiment of the present application;
fig. 3 is a schematic top view of a display module according to an embodiment of the present disclosure;
FIG. 4 is another cross-sectional view of BB' of FIG. 3 according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a display assembly including a plurality of thermally conductive cells according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram illustrating a detail of the area C in FIG. 5 according to an embodiment of the present disclosure;
FIG. 7 is a cross-sectional view of DD' of FIG. 6 according to an embodiment of the present application;
fig. 8 is a schematic view of a display device according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
In the prior art, a driving chip in a display device generates heat when working, and particularly, the heat of the driving chip is higher and difficult to dissipate when working in high-temperature weather; since the OLED (Organic light emitting semiconductor) material used in the Display device is fragile, the lifetime of the OLED is easily reduced in a high temperature environment, and thus, a significant Display unevenness problem is caused. Therefore, it is desirable to provide a display device capable of improving the heat dissipation effect of the driving chip.
Specifically, the OLED material is fragile, and particularly at high temperature, the driving chip side generates heat during operation, and after the problem of color non-uniformity occurs, the problem that the material life is reduced more than that of the non-driving chip area is easily caused, and obvious display color difference is formed between the material and other areas. In the prior art, heat dissipation is usually added by attaching a conductive tape to an IC, the tape itself is an insulating material, and heat dissipation itself is difficult, that is, the heat dissipation effect of the conductive tape is poor when the conductive tape is used for heat dissipation.
In view of the above, the present invention provides a display module and a display apparatus, so as to improve the heat dissipation effect of the driving chip.
Fig. 1 is a top view structural diagram of a display module according to an embodiment of the present application, and fig. 2 is a cross-sectional diagram of AA' in fig. 1 according to an embodiment of the present application, please refer to fig. 1-2, which provide a display module 100 comprising:
a display panel 10;
the driving chip 20 is located at a side far away from the light emitting surface of the display panel 10;
a heat conductive battery 30 sandwiched between the driving chip 20 and the display panel 10; the thermally conductive cell 30 includes a first heat collection layer 31, a second heat collection layer 32, and first and second semiconductor layers 33, 34, the first and second semiconductor layers 33, 34 being located between the first and second heat collection layers 31, 32;
the first heat collecting layer 31 is in contact with the driving chip 20 and is used for absorbing heat of the driving chip 20; the second heat collection layer 32 is in contact with the display panel 10 for absorbing heat of the display panel 10.
Specifically, the present application provides a display assembly 100, the display assembly 100 includes a display panel 10, a driving chip 20 and a heat conducting battery 30, the heat conducting battery 30 may be disposed between the driving chip 20 and the display panel 10 for absorbing and guiding heat generated by the driving chip 20 and the display panel 10 during operation; the heat-conducting battery 30 is disposed on the non-light-emitting surface side of the display panel 10, so as to avoid the influence on the normal display image of the display panel 10 and reduce the screen occupation ratio of the display image.
The present application provides a thermally conductive battery 30, the thermally conductive battery 30 comprising a first heat collection layer 31, a second heat collection layer 32, a first semiconductor layer 33, a second semiconductor layer 34, wherein the first heat collection layer 31 and the second heat collection layer 32 sandwich the first semiconductor layer 33 and the second semiconductor layer 34; and then set up first heat collection layer 31 and driver chip 20 direct contact, second heat collection layer 32 and display panel 10 direct contact, absorb the heat that driver chip 20 produced at the during operation through the first heat collection layer 31 of heat conduction battery 30, realize the absorption to the heat that driver chip 20 produced, derive, absorb the heat that display panel 10 produced at the during operation through the second heat collection layer 32 of heat conduction battery 30, realize the absorption to the heat that display panel 10 produced, derive, thereby display panel 10 has been reduced, driver chip 20 is at the temperature of during operation, be favorable to avoiding the heat to gather and lead to the problem that the life reduces takes place for the adjacent OLED material, avoid driver chip 20, the problem that the part that devices such as display panel 10 lead to because of the heat takes place to damage, thereby be favorable to improving the life of display module 100, also be favorable to guaranteeing that display panel 10 can have good display effect, avoid appearing showing inhomogeneous problem, promote user experience.
With continued reference to fig. 1 and 2, optionally, the second semiconductor layer 34 is located between the first semiconductor layer 33 and the first heat collection layer 31;
the first semiconductor layer 33 is a P-type semiconductor layer, and the second semiconductor layer 34 is an N-type semiconductor layer.
Specifically, the present application provides an alternative embodiment that the first semiconductor layer 33 and the second semiconductor layer 34 in the thermal conductive cell 30 are specifically a P-type semiconductor layer and an N-type semiconductor layer, and when the display module 100 operates, the amount of heat generated by the display panel 10 is generally lower than that generated by the driving chip 20, so that the N-type semiconductor layer can be disposed closer to the first heat collecting layer 31; that is, the second semiconductor layer 34 (N-type semiconductor layer) is disposed between the first semiconductor layer 33 (P-type semiconductor layer) and the first heat collection layer 31. With such an arrangement, the first heat collecting layer 31 disposed in contact with the N-type semiconductor layer is closer to the driver chip 20 with higher heat, so as to excite hot carriers, thereby improving the heat conduction effect of the heat conduction battery 30, and being beneficial to improving the service life and the yield of the display module 100.
Fig. 3 is another top view structural diagram of a display device according to an embodiment of the present disclosure, and fig. 4 is another cross-sectional diagram of BB' in fig. 3 according to an embodiment of the present disclosure, referring to fig. 1 to fig. 4, optionally, the driving chip 20 includes a power end 40, and the power end 40 is electrically connected to the first heat collecting layer 31 through a first trace 41 and electrically connected to the second heat collecting layer 32 through a second trace 42.
Specifically, the heat conductive battery 30 provided by the present application includes four layers of the second heat collecting layer 32, the P-type semiconductor layer (first semiconductor layer 33), the N-type semiconductor layer (second semiconductor layer 34), and the first heat collecting layer 31, which are sequentially stacked along the side of the display panel 10 directed to the driving chip 20, and the driving chip 20 in contact with the first heat collecting layer 31 has a relatively high temperature during operation, and the display panel 10 in contact with the second heat collecting layer 32 has a lower temperature than the driving chip 20 during operation, so that the heat conductive battery 30 provided by the present application can be used for thermoelectric power generation. Based on this, an optional configuration is provided in the present application, in which the driving chip 20 includes a power end 40 for receiving an electrical signal, and the power end 40 is electrically connected to the first heat collecting layer 31 through the first wire 41 and electrically connected to the second heat collecting layer 32 through the second wire 42, so that the electrical energy generated by the heat conductive battery 30 is transmitted to the driving chip 20 through the first wire 41 and the second wire 42, thereby driving the driving chip 20 to operate.
That is, the heat conduction battery 30 that this application provided not only can be used for deriving driver chip 20 and/or display panel 10 and at the produced heat of during operation, can also be multiplexed simultaneously and use for thermoelectric cell, through converting heat energy into electric energy, realized the utilization to the produced unnecessary heat of display module 100 in the course of the work, reduce driver chip 20, the actual power consumption of display panel 10 in the use, thereby realize economic benefits's promotion.
Fig. 5 is a schematic diagram illustrating a display module including a plurality of heat conducting batteries according to an embodiment of the present disclosure, and referring to fig. 1 to 5, optionally, at least 2 heat conducting batteries 30 are included, and at least 2 heat conducting batteries 30 are connected in series.
Specifically, the present application provides an alternative arrangement in which, as shown in fig. 1-4, only one thermally conductive battery 30 is provided in one display assembly 100; in addition, an alternative arrangement may be provided, as shown in fig. 5, in which 2 or more thermally conductive batteries 30 are provided in one display assembly 100; when 2 or more heat conductive batteries 30 are disposed in one display assembly 100, the present application provides an alternative arrangement in which all the heat conductive batteries 30 included in the display assembly 100 are disposed in series, so as to increase the electromotive force of the heat conductive batteries 30, and the electromotive force generated by the series connection of all the heat conductive batteries 30 is utilized as a power source for the driving chip 20.
It should be noted that fig. 5 illustrates the electrical connection relationship between the plurality of heat conducting batteries 30 disposed adjacently by lines, and does not represent the actual detailed structural arrangement in the display assembly 100.
It should be noted that, in addition to the electromotive force generated by the heat transfer batteries 30 connected in series being used as the power source for driving the chip 20, the electromotive force generated by the heat transfer batteries 30 connected in series may be used as the power source for the display panel 10.
That is, the heat conduction battery 30 that this application provided not only can be used for deriving driver chip 20 and/or display panel 10 and at the produced heat of during operation, can also be multiplexed simultaneously and be used for thermoelectric cell, through converting heat energy into electric energy, realized the utilization to the produced unnecessary heat of display module 100 in the course of the work, reduce driver chip 20, the actual power consumption of display panel 10 in the use, thereby realize economic benefits's promotion.
Fig. 6 is a detailed schematic view of a region C in fig. 5 according to an embodiment of the present disclosure, and fig. 7 is a cross-sectional view of DD' in fig. 6 according to an embodiment of the present disclosure, and referring to fig. 1 to fig. 7, optionally, a first isolation pillar 51 and a second isolation pillar 52 are included between two adjacent heat conductive cells 30 along a direction perpendicular to a thickness direction of the display assembly 100;
a first connection member 53 is included between the first and second spacers 51 and 52 in a direction perpendicular to the thickness direction of the display assembly 100, and the first connection member 53 is used to electrically connect the first heat collection layer 31 of one heat conductive cell 30 with the second heat collection layer 32 of another heat conductive cell 30 adjacently disposed.
Specifically, when 2 or more heat-conducting batteries 30 are connected in series in the display assembly 100, the present application provides a manner of arranging the series connection between the heat-conducting batteries 30, in which a first isolation pillar 51 and a second isolation pillar 52 are included between two adjacent heat-conducting batteries 30, a first connection member 53 is included between the first isolation pillar 51 and the second isolation pillar 52, the first connection member 53 is used to electrically connect the first heat collection layer 31 of one heat-conducting battery 30 and the second heat collection layer 32 of another adjacent heat-conducting battery 30, that is, the first connection member 53 is used to realize the series connection between two adjacent heat-conducting batteries 30, and the first isolation pillar 51 and the second isolation pillar 52 prevent the crosstalk of electrical signals between the adjacent heat-conducting batteries 30. The series connection of all the heat conductive batteries 30 included in the display module 100 is realized through the first connection member 53, so that the electromotive force of the heat conductive batteries 30 is increased, and the electromotive force generated by the series connection of all the heat conductive batteries 30 is utilized as the power source of the driving chip 20 or the power source of the display panel 10; that is, the heat conductive battery 30 is reused as a thermoelectric battery, and the excess heat generated by the display module 100 in the working process is utilized by converting the heat energy into the electric energy, thereby improving the economic benefit.
With continued reference to fig. 1-7, optionally, along the thickness direction of the display assembly 100, the height H1 of the first isolation pillar 51 is equal to the distance between the surface of the first heat collection layer 31 of the heat conduction cell 30 away from the second heat collection layer 32 and the surface of the second heat collection layer 32 close to the first heat collection layer 31;
the height H2 of the second spacers 52 is equal to the distance between the surface of the second heat collection layer 32 of the thermal conductive cell 30 on the side away from the first heat collection layer 31 and the surface of the first heat collection layer 31 on the side close to the second heat collection layer 32 in the thickness direction of the display assembly 100.
Specifically, when 2 or more heat-conducting batteries 30 are connected in series in the display assembly 100, the present application provides a manner of arranging the series connection between the heat-conducting batteries 30, wherein a first isolation pillar 51 and a second isolation pillar 52 are included between two adjacent heat-conducting batteries 30, and a height H1 of the first isolation pillar 51 is equal to a distance between a side surface of the first heat collection layer 31 of the heat-conducting battery 30, which is far away from the second heat collection layer 32, and a side surface of the second heat collection layer 32, which is near to the first heat collection layer 31, in a thickness direction of the display assembly 100; the height H2 of the second separation column 52 is equal to the distance between the surface of the second heat collection layer 32 of the heat conductive cell 30 on the side away from the first heat collection layer 31 and the surface of the first heat collection layer 31 on the side close to the second heat collection layer 32 in the thickness direction of the display assembly 100; with such an arrangement, the arrangement of the first isolation column 51 and the second isolation column 52 can be realized, the crosstalk of electrical signals between the adjacent heat conduction batteries 30 can be avoided, and the plurality of heat conduction batteries 30 connected in series can be ensured to be in a planar structure, so that the display panel 10 and the driving chip 20 arranged on two sides of the plurality of heat conduction batteries 30 connected in series can be conveniently manufactured in a standardized manner, and the production yield of the display module 100 can be ensured.
Referring to fig. 1 and fig. 3, optionally, the width of the display panel 10 is W1, the length of the second heat collecting layer 32 is W2, and W2 is less than or equal to W1 along the direction perpendicular to the thickness direction of the display module 100 and along the length direction of the driving chip 20.
Specifically, the present application also provides an alternative embodiment, in which the second heat collection layer 32 is configured to have a larger size, specifically, taking the display module 100 as a rectangle as an example, the driving chip 20 is located at the lower side of the rectangular display module 100, and the width W2 of the second heat collection layer 32 in the left-right direction is configured to be as equal to the width W1 of the display panel 10 in the left-right direction as possible; increase the size of second heat collecting layer 32, through setting up the second heat collecting layer 32 of large tracts of land so that heat conduction battery 30 is bigger with display panel 10's area of contact, thereby make the produced heat of display panel 10 can be derived by heat conduction battery 30 more fast, make heat conduction battery 30 to the produced quick dissipation of heat of display module 100 during operation, avoid devices such as display panel 10 to lead to the problem of local emergence damage because the heat gathers, thereby be favorable to improving display module 100's life, also be favorable to guaranteeing that display panel 10 can have good display effect, avoid appearing showing uneven problem, promote user experience.
With continued reference to fig. 1 and 3, the second heat collecting layer 32 may be made of metal.
Specifically, the present application further provides an alternative embodiment that, the second heat collecting layer 32 is made of a metal material, the metal material has good thermal conductivity, the second heat collecting layer 32 of the heat conducting battery 30 attached to the display panel 10 is made of a metal material, which is beneficial to improving the efficiency of guiding out heat generated by the heat conducting battery 30 to the display panel 10 during operation, so that the heat generated by the heat conducting battery 30 to the display assembly 100 during operation is quickly dissipated, and the problem of local damage caused by heat accumulation of devices such as the display panel 10 is avoided, thereby being beneficial to improving the service life of the display assembly 100, and also being beneficial to ensuring that the display panel 10 can have a good display effect, avoiding the problem of uneven display, and improving user experience.
Referring to fig. 1 and 2, optionally, the first heat collection layer 31 is grounded, and/or the second heat collection layer 32 is grounded.
Specifically, in the embodiments provided herein, the heat-conducting battery 30 can be used as a heat sink for the display assembly 100, and can be reused as a thermoelectric battery when necessary; when the heat conduction battery 30 is only used for heat dissipation, the present application provides an alternative setting mode, in which the first heat collection layer 31 is directly grounded (not shown) and/or the second heat collection layer 32 is directly grounded (not shown), so as to directly derive the electromotive force generated by the heat conduction battery 30, thereby directly deriving the heat generated in the working process of the display module 100, and avoiding the problem that the driving chip 20 and the display panel 10 are locally damaged due to heat accumulation, thereby being beneficial to improving the service life of the display module 100, and also being beneficial to ensuring that the display panel 10 can have a good display effect, avoiding the problem of display unevenness, and improving user experience.
Referring to fig. 1-7, optionally, the heat conducting battery 30 is a thin film thermoelectric battery;
the first heat collection layer 31 is a positive electrode of a thin film thermoelectric device, and the second heat collection layer 32 is a negative electrode of the thin film thermoelectric device.
Specifically, the present application provides an alternative arrangement manner that the heat conducting battery 30 is a thin film thermoelectric battery, and includes four layers of a second heat collecting layer 32, a P-type semiconductor layer (a first semiconductor layer 33), an N-type semiconductor layer (a second semiconductor layer 34), and a first heat collecting layer 31, which are stacked in sequence along a side of the display panel 10 directed to the driving chip 20, where the arrangement may be specifically such that the first heat collecting layer 31 is a positive electrode of thin film thermoelectric power, and the second heat collecting layer 32 is a negative electrode of thin film thermoelectric power.
The thin-film thermoelectric cell is a PN node (a P-type semiconductor layer and an N-type semiconductor layer) cell, and more thermally-excited carriers are generated on one side with higher temperature by utilizing the inconsistent temperature difference at two ends of the PN node to form electromotive force; meanwhile, the temperature excitation carrier converts the energy on the high-temperature side into excitation energy, so that the temperature on the high-temperature side is reduced, and the effect of cooling the driving chip 20 is achieved. Furthermore, the arrangement mode that a plurality of thermoelectric cells are connected in series provided by the application can accumulate electromotive force to obtain ideal electromotive force, and the ideal electromotive force is used for providing more electric energy for the display component 100 by utilizing the thermoelectric cells.
Referring to fig. 3, it is further added that the orthographic projection of the driving chip 20 on the plane of the display panel 10 is located in the orthographic projection of the first heat collecting layer 31 on the plane of the display panel 10, the area of the first heat collecting layer 31 where the thermoelectric cell contacts the driving chip 20 is larger than that of the driving chip 20, and the first heat collecting layer 31 with a large area is arranged to increase the contact area between the heat conducting battery 30 and the driving chip 20, so that the heat generated by the driving chip 20 can be quickly conducted out by the heat conducting battery 30, the problem that the driving chip 20 is locally damaged due to heat accumulation is avoided, thereby being beneficial to improving the service life of the display assembly 100 and improving user experience.
It should be added that the orthographic projection of the first heat collection layer 31 on the plane of the display panel 10 is located in the orthographic projection of the second heat collection layer 32 on the plane of the display panel 10, that is, the area of the second heat collection layer 32 in contact with the display panel 10 in the heat conduction battery 30 can be selectively set to be larger than the area of the first heat collection layer 31 in contact with the driving chip 20, so as to further increase the heat dissipation of the back of the display panel 10. Of course, this is only an alternative arrangement provided by the present application, and the user may also set the size relationship between the areas of the first heat collecting layer 31 and the second heat collecting layer 32 according to the requirement.
Fig. 8 is a schematic diagram of a display device according to an embodiment of the present application, please refer to fig. 8 in combination with fig. 1 to 7, and based on the same inventive concept, the present application further provides a display device 200, where the display device 200 includes a display module 100, and the display module 100 is any one of the display modules 100 provided in the present application.
It should be noted that, for the embodiments of the display apparatus 200 provided in the embodiments of the present application, reference may be made to the embodiments of the display assembly 100 described above, and repeated descriptions are omitted. The display device 200 provided in the present application may be: the touch control system comprises any products and components with a touch control function, such as a mobile phone, a tablet computer, a television, a touch controller, a notebook computer, a navigator and the like.
By the embodiment, the display assembly and the display device provided by the invention at least realize the following beneficial effects:
the application provides a display component and a display device.A heat conduction battery is arranged between a driving chip and a display panel, and the heat generated by the driving chip during working is collected and led out through the heat conduction battery, so that the heat existing in the driving chip during working is reduced; meanwhile, the heat generated by the display panel during working is collected and led out through the heat conduction battery, so that the heat existing in the display panel during working is reduced; the problem that the service life of an adjacent OLED material is shortened due to heat accumulation is avoided, so that the service life of the display device is prolonged, and the display device is ensured to have a good display effect. In addition, the electric potential energy generated by the temperature difference in the heat-conducting battery can be used as a power driving signal of a driving chip or a display screen in the display device, so that the power consumption of the display device is reduced.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (11)

1. A display assembly, comprising:
a display panel;
the driving chip is positioned on one side far away from the light-emitting surface of the display panel;
the heat conduction battery is clamped between the driving chip and the display panel; the heat conducting cell comprises a first heat collection layer, a second heat collection layer, a first semiconductor layer and a second semiconductor layer, wherein the first semiconductor layer and the second semiconductor layer are positioned between the first heat collection layer and the second heat collection layer;
the first heat collecting layer is in contact with the driving chip and is used for absorbing heat of the driving chip; the second heat collection layer is in contact with the display panel and is used for absorbing heat of the display panel.
2. The display assembly of claim 1, wherein the second semiconductor layer is between the first semiconductor layer and the first heat collection layer;
the first semiconductor layer is a P-type semiconductor layer, and the second semiconductor layer is an N-type semiconductor layer.
3. The display module according to claim 1, wherein the driving chip comprises a power terminal electrically connected to the first heat collection layer through a first trace and electrically connected to the second heat collection layer through a second trace.
4. The display assembly of claim 1, comprising at least 2 thermally conductive batteries, at least 2 of the thermally conductive batteries being connected in series.
5. The display assembly according to claim 4, wherein a first isolation column and a second isolation column are included between two adjacent heat-conducting batteries along a direction perpendicular to the thickness direction of the display assembly;
and a first connecting piece is arranged between the first isolation column and the second isolation column along the thickness direction perpendicular to the display assembly, and the first connecting piece is used for electrically connecting the first heat collection layer of one heat conduction battery with the second heat collection layer of another adjacent heat conduction battery.
6. The display assembly of claim 5,
the height of the first isolation column is equal to the distance between one side surface, away from the second heat collection layer, of the first heat collection layer of the heat conduction battery and one side surface, close to the first heat collection layer, of the second heat collection layer, of the first heat collection layer in the thickness direction of the display assembly;
in the thickness direction of the display assembly, the height of the second isolation column is equal to the distance between one side surface of the second heat collection layer of the heat conduction battery, which is far away from the first heat collection layer, and one side surface of the first heat collection layer, which is close to the second heat collection layer.
7. The display module according to claim 1, wherein the width of the display panel is W1, the length of the second heat collecting layer is W2, and W2 ≦ W1 along a thickness direction perpendicular to the display module and along a length direction of the driving chip.
8. The display assembly of claim 1, wherein the second heat collection layer is made of a metal.
9. The display assembly of claim 1, wherein the first heat collection layer is grounded, and/or the second heat collection layer is grounded.
10. The display assembly of claim 1, wherein the thermally conductive cell is a thin film thermoelectric cell;
the first heat collection layer is the anode of the film thermoelectric, and the second heat collection layer is the cathode of the film thermoelectric.
11. A display device comprising a display element as claimed in any one of claims 1 to 10.
CN202211164026.0A 2022-09-23 2022-09-23 Display assembly and display device Active CN115359736B (en)

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