WO2017219537A1

WO2017219537A1 - Self-generating display panel for generating electricity based on temperature difference, and electronic device

Info

Publication number: WO2017219537A1
Application number: PCT/CN2016/101007
Authority: WO
Inventors: 杨越强
Original assignee: 意力(广州)电子科技有限公司
Priority date: 2016-06-20
Filing date: 2016-09-30
Publication date: 2017-12-28
Also published as: CN205680380U

Abstract

A self-generating display panel for generating electricity based on a temperature difference, and an electronic device. The display panel successively comprises a glass layer (1), a touch control layer (3) and a liquid crystal layer (4), wherein an electricity generation layer (2) is arranged between the glass layer (1) and the touch control layer (3); the electricity generation layer (2) comprises a first electrode layer (21) and a second electrode layer (22); one end of the first electrode layer (21) is connected to the glass layer (1); one end of the second electrode layer (22) is connected to the touch control layer (3); the first electrode layer (21) is partially overlapped with the second electrode layer (22), and the first electrode layer (21) is located above the second electrode layer (22); and the electrode material of the first electrode layer (21) and the second electrode layer (22) is a thermal-sensitivity transparent conductive material. The self-generating display panel for generating electricity based on a temperature difference can realize self-generation of the display panel by means of a temperature difference and charges a battery of an electronic device. The problem of battery life is effectively solved.

Description

Self-generating display panel and electronic device based on temperature difference power generation

Technical field

The invention relates to the technical field of display panels, in particular to a self-generating display panel and an electronic device based on temperature difference power generation.

Background technique

With the rapid development of communication technology, electronic devices such as smart mobile terminals (such as smart phones and tablet computers) have become an indispensable tool in people's lives. Although these intelligent electronic devices can provide users with rich audio-visual entertainment functions and beautiful operation interfaces, they have to face the problem of insufficient battery life of the devices. The batteries used in electronic devices on the market are basically lithium-ion polymer batteries. Compared with the early battery materials, such battery materials have fully utilized their work efficiency in the process of technological reform, and they can provide The amount of electricity is also approaching the limit of the power that lithium-ion polymers can provide. Therefore, it is difficult to make a breakthrough for the improvement of lithium-ion polymer batteries to improve battery life. Based on the above analysis, it is necessary to develop other technologies to solve the battery life problem.

Summary of the invention

In view of the deficiencies of the prior art, an object of the present invention is to provide a self-generating display panel and an electronic device based on temperature difference power generation, which provide charging of a battery through independent power generation of the display panel.

In order to solve the above technical problems, the technical solution adopted by the present invention is:

In a first aspect, the present invention provides a self-generating display panel based on temperature difference power generation, which in turn comprises a glass layer, a touch layer and a liquid crystal layer, and a power generation layer is disposed between the glass layer and the touch layer. The power generation layer includes a first electrode layer and a second electrode layer, one end of the first electrode layer is connected to the glass layer, and one end of the second electrode layer is connected to the touch layer, the first The electrode layer partially overlaps the second electrode layer, and the first electrode layer is located above the second electrode layer, and the electrode materials of the first electrode layer and the second electrode layer are heat-sensitive transparent conductive materials .

Further, the first electrode layer is formed by connecting a plurality of first electrodes in series, and the second electrode layer is formed by connecting a plurality of second electrodes in series; a left end of any of the first electrodes is adjacent to the first electrode The left end of the second electrode overlaps, and the right end of any of the first electrodes overlaps with the right end of the other of the second electrodes adjacent to the first electrode.

Further, the first electrode layer and the second electrode layer are formed by a photolithography process.

Further, the heat-sensitive transparent conductive material is one of an ITO material or a transparent silver paste.

Preferably, the electrode material of the first electrode is a transparent silver paste, and the electrode material of the second electrode is an ITO material.

Among them, ITO (Indium Tin Oxides) is indium tin oxide.

In a second aspect, the present invention further provides an electronic device including the above self-generated display panel and a battery based on temperature difference power generation, wherein the power generation layer of the self-generated display panel is respectively provided with a third electrode and The fourth electrode is connected to the battery as a positive electrode, and the fourth electrode is connected to the battery as a negative electrode to charge the self-generated display panel to the battery.

Compared with the prior art, the beneficial effects are as follows:

The display panel and the electronic device of the present invention mainly utilize self-generation by thermoelectric power generation technology. Thermoelectric power generation technology is a technology that utilizes the temperature difference between high and low temperature heat sources to generate electricity.

When the display panel or the electronic device of the present invention is in contact with the human body (for example, the electronic device is placed in a pocket or held in the hand), the temperature of the glass layer on the surface of the display panel is increased due to being closer to the human body, resulting in A temperature difference occurs between the touch layer under the glass layer and the glass layer. Since the first electrode layer and the second electrode layer of the power generation layer are respectively connected to the glass layer and the touch layer, and the electrode materials in the power generation layer are heat-sensitive transparent conductive materials, these materials can convert thermal energy into electrical energy, thereby generating electricity. The layer can generate current using the temperature difference to realize the function of generating electricity. At the same time, after the third electrode and the fourth electrode of the power generation layer are connected to the battery, the purpose of charging the battery by the temperature difference power generation of the display panel can be achieved.

In addition, in the present invention, in order to improve power generation efficiency, the power generation layer can be formed into a tens of thousands of pairs of first electrodes and second electrodes through a clever circuit layout design, through a large number of first electrodes and second electrodes The thermoelectric power generation can collect more electric energy and provide sufficient charging power for the battery.

DRAWINGS

1 is a schematic cross-sectional structural view of a self-generating display panel based on temperature difference power generation in an embodiment.

2 is a schematic structural view of a power generation layer in a self-generating display panel based on temperature difference power generation in an embodiment.

3 is an embodiment of a first electrode and a second power in a self-generating display panel based on thermoelectric generation A schematic diagram of the structure of the pole.

Figure 4 is an enlarged schematic view showing the structure of A in Figure 2.

detailed description

In the present invention, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "medium", The orientation or positional relationship of the indications such as "vertical", "horizontal", "transverse", "longitudinal" and the like is based on the orientation or positional relationship shown in the drawings, and is only used to explain the relative positional relationship between components or components. The specific mounting orientation of each component or component is not particularly limited.

Moreover, the above partial terms may be used to indicate other meanings in addition to the orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meaning of these terms in the present invention can be understood on a case-by-case basis.

In addition, the terms "installation", "setting", "providing", "connecting", and "connecting" should be understood broadly. For example, it may be a fixed connection, a detachable connection, or a one-piece construction; it may be a mechanical connection, or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, or it may be two devices, components or components. Internal communication. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In addition, the terms "first", "second", etc. are used primarily to distinguish different components or components, and are not intended to indicate or imply the relative importance and quantity of the indicated components or components. Unless otherwise stated, "multiple" means two or more.

In addition, the structures, the proportions, the sizes, and the like, which are drawn in the drawings of the present invention, are only used to cope with the contents disclosed in the specification for understanding and reading by those skilled in the art, and are not intended to limit the implementation of the present invention. Qualified, so it does not have technical significance, any structural modification, proportional change or size adjustment, should not fall under the effect of the invention and the purpose that can be achieved The scope of the technical disclosure disclosed by the invention is within the scope of the invention.

The technical solution of the present invention will be further described below with reference to the embodiments and the accompanying drawings.

The present embodiment provides a self-generating display panel based on temperature difference power generation. As shown in FIG. 1 , the self-generating display panel includes a glass layer 1 , a power generation layer 2 , a touch layer 3 , and a liquid crystal layer 4 in order from top to bottom.

Wherein, as shown in FIG. 2, the power generation layer 2 includes a transparent silver paste as an electrode material. An electrode layer 21 and a second electrode layer 22 using an ITO material as an electrode material. The first electrode layer 21 is formed by connecting a plurality of first electrodes 211 in series (not shown), and the end of the first electrode layer 21 is connected to the glass layer 1; the second electrode layer 22 is connected in series by the plurality of second electrodes 221 Formed (not shown), and the end of the second electrode layer 22 is connected to the touch layer 3.

In this embodiment, the first electrode layer and the second electrode layer partially overlap, and the first electrode layer is located above the second electrode layer. In order to clarify the structure of the electrode layer in the power generation layer, the structure of the partial repeating unit of the first electrode layer and the second electrode layer is shown in FIGS. 3 and 4. As shown in FIG. 3 and FIG. 4, the two ends of the first electrode 211 are respectively a first downward protruding portion 212 at the left end and a first upward protruding portion 213 at the right end, and the two ends of the second electrode 221 are respectively A second upward projection 222 at the left end and a second downward projection 223 at the right end. The left end first downward protrusion 212 of the first electrode 211 and the second end second protrusion 213 of the second electrode 221 adjacent thereto overlap each other, and the right end of the first electrode 211 is firstly convex upward. The outlet portion 213 and the right end second downward projection portion 223 of the other second electrode 221 adjacent thereto overlap each other. In this embodiment, a plurality of the first overlapping electrodes and the second electrodes are formed by a photolithography process, and a first electrode layer is formed by series connection of the first electrodes, and a second electrode is formed by series connection of the second electrodes. The layer, thereby achieving efficient power generation of the power generation layer.

In the present invention, since the glass layer is located on the surface layer of the self-generating display panel, the glass layer often contacts the human body during use by the user (for example, holding the hand or the user's pocket), and the temperature of the glass layer is raised by contacting the human body. The temperature of the touch layer under the glass layer does not rise, resulting in a temperature difference between the glass layer and the touch layer. Since the first electrode layer and the second electrode layer of the power generation layer are respectively connected to the glass layer and the touch layer, and the electrode materials in the power generation layer are heat-sensitive transparent conductive materials, these materials can convert thermal energy into electrical energy, thereby generating electricity. The layer can generate current using the temperature difference to realize the function of generating electricity.

The embodiment further provides an electronic device including a battery and the above self-generated display panel based on temperature difference power generation. The third electrode and the fourth electrode are respectively disposed in the self-generating display panel. The third electrode is connected to the battery as a positive electrode, and the fourth electrode is connected to the battery as a negative electrode to charge the self-generated display panel to the battery.

It is to be understood that the glass layer, the touch layer, and the liquid crystal layer in this embodiment may be those commonly used in the prior art, and thus will not be described again.

Claims

A self-generating display panel based on temperature difference power generation, which in turn comprises a glass layer, a touch layer and a liquid crystal layer, wherein a power generation layer is disposed between the glass layer and the touch layer, and the power generation layer includes a first electrode layer and a second electrode layer, one end of the first electrode layer is connected to the glass layer, and one end of the second electrode layer is connected to the touch layer, the first electrode layer and the The second electrode layer partially overlaps, and the first electrode layer is located above the second electrode layer, and the electrode materials of the first electrode layer and the second electrode layer are heat-sensitive transparent conductive materials.
The self-generating display panel based on temperature difference power generation according to claim 1, wherein the first electrode layer is formed by connecting a plurality of first electrodes in series, and the second electrode layer is formed by connecting a plurality of second electrodes in series; The left end of any one of the first electrodes overlaps the left end of the second electrode adjacent to the first electrode, and the other end of any of the first electrodes is adjacent to the first electrode The right ends of the two electrodes overlap.
The self-generating display panel based on thermoelectric power generation according to claim 1, wherein the first electrode layer and the second electrode layer are formed by a photolithography process.
The self-generating display panel based on thermoelectric power generation according to any one of claims 1 to 3, wherein the heat-sensitive transparent conductive material is one or a combination of ITO materials or transparent silver paste.
The self-generating display panel based on thermoelectric power generation according to any one of claims 1 to 3, wherein the electrode material of the first electrode is transparent silver paste, and the electrode material of the second electrode is ITO material.
An electronic device comprising the thermoelectric power generation-based self-generating display panel and the battery according to any one of claims 1 to 5, wherein the power generation of the self-generating display panel based on temperature difference power generation a third electrode and a fourth electrode are respectively disposed in the layer, the third electrode is connected to the battery as a positive electrode, and the fourth electrode is connected as a negative electrode to the battery, so that the self-generated display panel is The battery is charged.