CN220252353U - Display device - Google Patents
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- CN220252353U CN220252353U CN202320808681.9U CN202320808681U CN220252353U CN 220252353 U CN220252353 U CN 220252353U CN 202320808681 U CN202320808681 U CN 202320808681U CN 220252353 U CN220252353 U CN 220252353U
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Abstract
The embodiment of the utility model discloses a display device, which comprises: the electrochromic display device comprises an electrochromic module and a transparent display module connected with the electrochromic module, wherein the electrochromic module comprises a first conductive color-changing substrate, a second conductive color-changing substrate and an electrolyte layer clamped between the first conductive color-changing substrate and the second conductive color-changing substrate, which are sequentially overlapped, and the electrolyte layer comprises: lithium salts, organic solvents and polymers. The transparent display module includes: the LED lamp comprises a first transparent substrate and a second transparent substrate which is arranged opposite to the first transparent substrate, wherein a plurality of first light-emitting units are arranged on a first opposite surface of the first transparent substrate, which is opposite to the second transparent substrate, and a plurality of second light-emitting units are arranged on a second opposite surface of the second transparent substrate, which is opposite to the first transparent substrate. The display device disclosed by the utility model has the advantages of long cycle life, high stability, good display effect and diversified display.
Description
Technical Field
The utility model relates to the field of display, in particular to a display device.
Background
Electrochromic (EC) refers to a process in which the transmittance, reflectance or absorptivity of a material in the ultraviolet, visible or (and) near infrared regions changes steadily and reversibly under the action of an applied electric field, and visually represents a phenomenon in which the color and transparency of the material change reversibly. The glass structure with electrochromic property can selectively absorb or reflect external heat radiation by adjusting light absorption and transmission under the action of an electric field, prevent internal heat from diffusing outwards, and reduce a large amount of energy consumed by buildings such as office buildings, residential houses and the like in summer cooling and winter heating. Meanwhile, the effects of improving the natural illumination degree, preventing peeping, preventing glare and the like are also achieved.
However, there are a number of drawbacks to the glass structures currently using electrochromic technology. In the prior art, charged ions of a glass structure using an electrochromic technology are greatly attenuated in the repeated injection and extraction processes, the stability is not high, the display is single, and when the glass structure is used, the glass structure which changes color can be only seen from the outside or the inside, so that more contents can not be displayed.
Accordingly, it is an urgent need to provide a display device with long cycle life, high stability and display diversity.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provide the display device which is long in cycle life, high in stability and diversified in display.
In one aspect, an embodiment of the present utility model discloses a display apparatus including: an electrochromic module comprising: sequentially stacking a first substrate, a first conductive layer, a first electrode, a first color-changing layer, an electrolyte layer, a first color-changing layer, a second electrode, a second conductive layer and a second substrate;
wherein the electrochromic module further comprises: a first ion transition layer disposed between the first color-changing layer and the electrolyte layer, and a second ion transition layer disposed between the second color-changing layer and the electrolyte layer;
wherein the electrolyte layer comprises: lithium salt, organic solvent and polymer, wherein the lithium salt is LiAsF 6 、LiPF 6 、LiBF 4 、CF 3 SO 3 Li and LiClO 4 The organic solvent is one or more of PC, EC, DEC, DMC, EMC and the polymer is one or more of PEO, PAN, PPO, PVDF, PMMA and PVC;
the transparent display module is connected with the second conductive color-changing substrate and comprises:
a first transparent substrate;
the second transparent substrate is arranged opposite to the first transparent substrate;
the first opposite surface of the first transparent substrate opposite to the second transparent substrate is provided with a plurality of first light-emitting units, and the second opposite surface of the second transparent substrate opposite to the first transparent substrate is provided with a plurality of second light-emitting units;
the projections of the first light-emitting units and the second light-emitting units on the first opposite surfaces are staggered, and the light rays emitted by the first light-emitting units and the second light-emitting units face to one end far away from the electrochromic module and are emitted through the first transparent substrate; and one side of the second transparent substrate far away from the first transparent substrate is connected with the second conductive color-changing substrate.
In another aspect, an embodiment of the present utility model discloses a display apparatus including:
an electrochromic module comprising:
a first conductive color change substrate;
a second conductive color change substrate;
an electrolyte layer sandwiched between the first conductive substrate and the second conductive color-changing substrate, wherein the electrolyte layer comprises: lithium salts, organic solvents and polymers;
wherein, a first electrode and a second electrode are respectively arranged in the first conductive color-changing substrate and the second conductive color-changing substrate;
the transparent display module is connected with the second conductive color-changing substrate and comprises:
a first transparent substrate;
the second transparent substrate is arranged opposite to the first transparent substrate;
the first opposite surface of the first transparent substrate opposite to the second transparent substrate is provided with a plurality of first light-emitting units, and the second opposite surface of the second transparent substrate opposite to the first transparent substrate is provided with a plurality of second light-emitting units;
the projections of the first light-emitting units and the second light-emitting units on the first opposite surfaces are staggered, and the light rays emitted by the first light-emitting units and the second light-emitting units face to one end far away from the electrochromic module and are emitted through the first transparent substrate; and one side of the second transparent substrate far away from the first transparent substrate is connected with the second conductive color-changing substrate.
In one embodiment of the present utility model, the first conductive color change substrate includes: the first substrate, the first conductive layer, the first electrode and the first color-changing layer are sequentially stacked;
the second conductive color-changing substrate includes: the second substrate, the second conductive layer, the second electrode and the second color-changing layer are sequentially stacked;
wherein the electrolyte layer is disposed between the first color-changing layer and the second color-changing layer;
the electrochromic module further comprises:
a first ion transition layer disposed between the first color-changing layer and the electrolyte layer;
and a second ion transition layer disposed between the second color-changing layer and the electrolyte layer.
In one embodiment of the present utility model, the first ion transition layer is an intermediate layer formed by a chemical reaction between the first color-changing layer and the electrolyte layer, and the second ion transition layer is another intermediate layer formed by a chemical reaction between the second color-changing layer and the electrolyte layer.
In one embodiment of the utility model, the lithium salt is LiAsF 6 、LiPF 6 、LiBF 4 、CF 3 SO 3 Li and LiClO 4 One or more of the following;
the organic solvent is one or more of PC, EC, DEC, DMC, EMC; and
the polymer is one or more of PEO, PAN, PPO, PVDF, PMMA and PVC;
wherein the electrolyte layer is in a liquid state.
In one embodiment of the present utility model, the electrolyte layer further includes: the curing agent is an ultraviolet curing agent;
wherein the electrolyte layer is in a solid state or a colloidal state.
In one embodiment of the utility model, the thicknesses of the first substrate, the first conductive layer, the first color-changing layer, the second conductive layer, the second substrate, the electrolyte layer, the first transparent substrate, and the second transparent substrate are at least partially the same; or alternatively
The thicknesses of the first substrate, the first conductive layer, the first color-changing layer, the second conductive layer, the second substrate, the electrolyte layer, the first transparent substrate and the second transparent substrate are all different.
In one embodiment of the present utility model, the first light emitting unit includes: a first light emitting display surface adjacent to the first opposing surface and a plurality of first electrode pins disposed on the first light emitting display surface; and
the second light emitting unit includes: a second light-emitting display surface adjacent to the first opposite surface and a first connection surface opposite to the second light-emitting display surface, wherein the first connection surface is provided with a plurality of second electrode pins;
the transparent display module further includes: a plurality of first transparent conductive lines and a plurality of second transparent conductive lines;
wherein the plurality of first transparent conductive wires are arranged along the first opposite surfaces and are connected with the plurality of first light emitting units;
the plurality of second transparent conductive wires are arranged along the second opposite surfaces and connected with the plurality of second light-emitting units.
In one embodiment of the present utility model, the plurality of first light emitting units includes: a first partial light emitting unit and a second partial light emitting unit;
wherein the first transparent conductive line connecting the first partial light emitting unit and the first transparent conductive line connecting the second partial light emitting unit are different in extending direction on the first opposite surface.
In one embodiment of the present utility model, the projection of the target second light emitting unit of the plurality of second light emitting units on the first opposite surface is equal in distance from the projections of the two first light emitting units located on both sides of the target second light emitting unit in the target direction on the first opposite surface, respectively.
The technical scheme has the following advantages or beneficial effects:
the electrochromic module in the display device provided by the embodiment of the utility model can realize the periodic injection and extraction of ions, does not have larger attenuation in the periodic injection and extraction process, and has the characteristic of high stability. Meanwhile, after the display device is connected with a power supply, the electrochromic module at the outer side can be reversibly changed through the color and the transparency of the material under the action of an electric field so as to adjust the absorption and the transmission of light to realize energy conservation. Meanwhile, the transparent display module on the inner side can also display pictures in the running process of the electrochromic module. And when the power supply is disconnected, the external landscape can be seen through the display device, so that the display effect is improved, and the selectivity of the display mode is increased. In addition, the electrochromic module has good ionic conductivity, high lithium ion migration rate, high response speed of the electrochromic module to the color change, long residence time of the color after the color change and more energy saving.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of an electrochromic module according to an embodiment of the present utility model;
FIG. 3 is a projection layout of a light emitting cell on a first opposite side of the first transparent substrate of FIG. 1;
FIG. 4 is another projection arrangement of light emitting cells on a first opposite side of the first transparent substrate of FIG. 1;
fig. 5 is a schematic structural diagram of a first light emitting unit according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a second light emitting unit according to an embodiment of the present utility model;
fig. 7 is a wiring diagram of transparent electrical conductors on a first opposing surface provided in an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings and detailed description, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, an embodiment of the present utility model discloses a display device 10 including: an electrochromic module 100 and a transparent display module 200.
The mentioned electrochromic module 100 comprises, for example: a first conductive color changing substrate 110, a second conductive color changing substrate 120, and an electrolyte layer 130 interposed between the first conductive color changing substrate 110 and the second conductive color changing substrate 120, wherein the electrolyte layer 130 includes: lithium salts, organic solvents and polymers. Wherein, the first and second conductive color-changing substrates 110 and 120 are respectively provided with a first electrode 114 and a second electrode 124 (not shown in fig. 1).
In particular, the lithium salt mentioned is LiAsF 6 、LiPF 6 、LiBF 4 、CF 3 SO 3 Li and LiClO 4 One or more of the following. The organic solvent mentioned is, for example, one or more of PC (Polypropylene Carbonate ), EC (Ethyl Carbonate), DEC (Diethyl Carbonate ), DMC (Dimethyl Carbonate, dimethyl Carbonate), EMC (Ethyl Methyl Carbonate, methylethyl Carbonate). Examples of polymers mentioned are one or more of PEO (Polyethylene Oxide ), PAN (polyandine, polyaniline), PPO (Polyphenylene Oxide ), PVDF (Poly (ethylene oxide), polyvinylidene fluoride), PMMA (Polymethyl Methacrylate ) and PVC (Polyvinyl Chloride, polyvinyl chloride).
The mentioned transparent display module 200 is connected to the second conductive color change substrate 120, for example, including: a first transparent substrate 210 and a second transparent substrate 220 disposed opposite to each other. The first opposite surface 211 of the first transparent substrate 210 opposite to the second transparent substrate 220 is provided with a plurality of first light emitting units 212, and the second opposite surface 221 of the second transparent substrate 220 opposite to the first transparent substrate 210 is provided with a plurality of second light emitting units 222.
The projections of the first light emitting units 212 and the second light emitting units 222 on the first opposite surface 211 are offset, and the light emitted by the first light emitting units 212 and the second light emitting units 222 faces to one end far away from the electrochromic module 100 and is emitted through the first transparent substrate 210, wherein one side of the second transparent substrate 220 far away from the first transparent substrate 210 is connected with the second electrochromic substrate 120.
After the power is connected, the outer electrochromic module 100 can be reversibly changed by the color and transparency of the material under the action of the electric field to adjust the absorption and transmission of light to achieve energy saving. Meanwhile, the inside transparent display module 200 can also perform picture display during the operation of the electrochromic module 100. And when the power is turned off, the external landscape can be seen through the display device 10, the display effect is improved, and the selectivity of the display mode is increased.
As shown in fig. 2, the mentioned first conductive color change substrate 110 includes, for example: the first substrate 111, the first conductive layer 112, the first electrode 114, and the first color change layer 113 are stacked in this order. The second conductive color change substrate 120 mentioned includes, for example: a second substrate 121, a second conductive layer 122, a second electrode 124, and a second color change layer 123 stacked in this order. The electrochromic module 100 further includes, for example: a first ion transition layer 140 and a second ion transition layer 150. A first ion-transition layer 140 is disposed between the first color-changing layer 113 and the electrolyte layer 130, and a second ion-transition layer 150 is disposed between the second color-changing layer 123 and the electrolyte layer 130.
The first ion transition layer 140 is an intermediate layer formed by a chemical reaction between the first color-changing layer 113 and the electrolyte layer 130, and the second ion transition layer 150 is another intermediate layer formed by a chemical reaction between the second color-changing layer 123 and the electrolyte layer 130.
Specifically, the first substrate 111 mentioned and the second substrate 121 mentioned are, for example, ordinary white glass. Of course, the present utility model is not limited thereto, and the first substrate 111 and the second substrate 121 may be, for example, substrates made of colored glass (e.g., gray glass, green glass, lake blue glass, etc.), acrylic plate, PET (Polyethylene terephthalate ) film material, or the like. The thicknesses of the first substrate 111 and the second substrate 121 are the same, for example, greater than 0.02mm and less than or equal to 25mm, although the present embodiment is not limited thereto, and the thicknesses of the first substrate 111 and the second substrate 121 may be different, for example, a first value of greater than 0.02mm and less than or equal to 25mm, and a second value of greater than 0.02mm and less than or equal to 25mm, which is different from the first value, for example.
Specifically, the first conductive layer 112 and the second conductive layer 122 are each, for example, one or more of a semiconductor oxide, a metal, and an organic conductive polymer. Among them, the mentioned semiconductor Oxides are for example one or more of ITO (Indium Tin Oxides, indium Tin oxide), FTO (F-doped Tin Oxides, fluorine doped Tin oxide), IGZO (Indium Gallium ZincOxides, indium gallium zinc oxide), AZO (Aluminum ZincOxides, aluminum zinc oxide), GZO (Gallium ZincOxides, gallium zinc oxide), TCO (Transparent Conductive Oxide, conductive oxide), the mentioned metals are for example one or more of Ag, au, cu, al, and the mentioned organic conductive polymers are for example one or more of polyacetylene, polypyrrole, polyaniline, polythiophene. The thicknesses of the first conductive layer 112 and the second conductive layer 122 are the same, for example, greater than 30nm and less than or equal to 300nm, although the embodiment is not limited thereto, and the thicknesses of the first conductive layer 112 and the second conductive layer 122 may be different, for example, the thickness of the first conductive layer 112 is a first value of greater than 30nm and less than or equal to 300nm, and the thickness of the second conductive layer 122 is a second value of greater than 30nm and less than or equal to 300 nm.
Specifically, the first electrode 114 and the second electrode 124 are used as conductive media, for example, graphite is used as an electrode material, but the utility model is not limited thereto, and a metal such as copper may be used as an electrode material. The first electrode 114 is, for example, a cathode, which is a pole that emits current; the second electrode 124 is, for example, a pole of the input current, i.e., an anode.
Specifically, the first color-changing layer 113 mentioned includes, for example: w, mo, nb, ti, ta, i.e. WO 3 WMoOx, WNoOx, wmoix, WNbTaOx, etc., wherein x represents the oxygen element metering value. The stoichiometric ratio of the oxide may be either oxygen sufficient or oxygen insufficient. The mentioned second color-changing layer 123 comprises, for example: ni, V, co, ir, fe, mn, namely NiVOx, niCoOx, niIrOx, niFeOx or a combination of three or even more. Wherein x represents the oxygen element metering value. The stoichiometric ratio of the oxide may be either oxygen sufficient or oxygen insufficient.
The first color-changing layer 113 is, for example, a solar spectrum adjusting functional layer, and the second color-changing layer 123 is, for example, an auxiliary color-changing functional layer. The thicknesses of the first color-changing layer 113 and the second color-changing layer 123 are the same, for example, greater than 30nm and less than or equal to 500nm, although the embodiment is not limited thereto, and the thicknesses of the first color-changing layer 113 and the second color-changing layer 123 may be different, for example, the thickness of the first color-changing layer 113 is a first value of greater than 30nm and less than or equal to 500nm, and the thickness of the second color-changing layer 123 is a second value of greater than 30nm and less than or equal to 500 nm.
Specifically, the first ion-transition layer 140 is an intermediate layer obtained by chemically reacting the first color-changing layer 113 and the electrolyte layer 130, and the intermediate layer referred to herein may be understood as a layer structure located between the first color-changing layer 113 and the electrolyte layer 130. The second ion-transition layer 150 is another intermediate layer obtained by chemically reacting the second color-changing layer 123 and the electrolyte layer 130, and the other intermediate layer mentioned herein may be understood as a layer structure located between the second color-changing layer 123 and the electrolyte layer 130. The material of the first ion-transition layer 140, which is an intermediate layer, is, for example, a lithium transition metal salt obtained by heating one or a combination of at least two of the oxides of W, mo, nb, ti, ta in the first color-changing layer 113 and the lithium salt in the electrolyte layer 130. The material of the other intermediate layer, i.e., the second ion transition layer 150, mentioned is, for example, a lithium transition metal acid salt obtained by combining one or a combination of at least two of the oxides of Ni, V, co, ir, fe, mn in the second color-changing layer 123 with a lithium salt in the electrolyte layer 130 under heating.
Wherein, the first ion transition layer 140 and the second ion transition layer 150 can promote the ion movement of lithium ions under the action of the electric field to increase the migration rate of lithium ions, thereby increasing the response speed of the electrochromic module 100.
Specifically, the first transparent substrate 210 and the second transparent substrate 220 are, for example, glass commonly used in the prior art, and may be, for example, single-sheet glass or glass formed by combining multiple sheets of glass. The thicknesses of the first transparent substrate 210 and the second transparent substrate 220 are, for example, the same, but not limited to, greater than 0.02mm and less than or equal to 25mm, and of course, the thicknesses of the first transparent substrate 210 and the second transparent substrate 220 may be different, for example, a first value of greater than 0.02mm and less than or equal to 25mm, and a second value of greater than 0.02mm and less than or equal to 25mm, which is different from the first value.
The first transparent substrate 210 faces the internal environment, the second transparent substrate 220 faces the external environment, and the second opposite surface 221 of the second transparent substrate 220 is connected to the second conductive color-changing substrate 120 of the electrochromic module 100.
Specifically, the first light emitting unit 212 and the second light emitting unit 222 are LED lamps or other lamps, for example, may be disposed on the first transparent substrate 210 and the second transparent substrate 220 by reflow soldering, dispensing process or other processes, and the light emitted by the first light emitting unit 212 and the second light emitting unit 222 is emitted through the first opposite surface 211 and the first transparent substrate 210. The first light emitting unit 212 and the second light emitting unit 222 can be arranged in a manner to realize high-definition display with high lattice density, so that the density of the light emitting units on the transparent substrate is improved, the display pixels of the transparent display module 200 are improved, and high-lattice density display of the light emitting units is realized.
It should be noted that, the projections of the first light emitting units 212 and the second light emitting units 222 on the first opposite surface 211 are offset, and the projection arrangement manner includes, for example: the interlaced arrangement and the alternate arrangement of the alternate points.
As shown in fig. 3, the projections of the first light emitting units 212 and the second light emitting units 222 on the first opposite surface 211 are arranged alternately in an interlaced (or column) manner. In fig. 3, projections 212a (for convenience of explanation, projections 212a are shown as squares) of the plurality of first light emitting units 212 on the first opposite surface 211 and projections 222a (for convenience of explanation, projections 222a are shown as circles) of the plurality of second light emitting units 222 on the second opposite surface 221 on the first opposite surface 211 are offset from each other. Specifically, in the horizontal direction in fig. 3, the left and right sides of any one projection 222a are immediately adjacent to the two projections 212a, and the left and right sides of any one projection 212a are immediately adjacent to the two projections 222a.
As shown in fig. 4, the projections of the plurality of first light emitting units 212 and the plurality of second light emitting units 222 on the first opposite surface 211 are arranged at intervals. Specifically, in the horizontal direction in fig. 4, the left and right sides of any one projection 222a are immediately adjacent to the two projections 212a, and the left and right sides of any one projection 212a are immediately adjacent to the two projections 222a; meanwhile, in the vertical direction in fig. 4, the upper side and the lower side of any one projection 222a are immediately adjacent to the two projections 212a, and the upper side and the lower side of any one projection 212a are immediately adjacent to the two projections 222a.
Further, the mentioned electrolyte layer 130 is, for example, in a liquid state, and includes, for example: lithium salts, organic solvents, and polymers. Wherein, liquid electrolyte is adopted as the electrolyte layer, which not only ensures higher ion mobility and chemical stability and thermal stability of the electrolyte. And the liquid electrolyte is used as the electrolyte layer, so that the production process is simple, no additional curing agent is needed, and the production cost is reduced.
In other embodiments of the present utility model, the electrolyte layer 130 may also be in a solid state, for example, including: lithium salt, organic solvent, polymer and curing agent. In particular, the lithium salt mentioned is LiAsF 6 、LiPF 6 、LiBF 4 、CF 3 SO 3 Li and LiClO 4 One or more of the following. The organic solvent mentioned is one or more of PC, EC, DEC, DMC, EMC. The polymers mentioned are one or more of PEO, PAN, PPO, PVDF, PMMA and PVC. The curing agent mentioned is an ultraviolet curing agent. In addition, the addition of an insulating spacer to the electrolyte layer 130 enables the first conductive color change plate 110 and theThe second conductive color-changing plates 120 are uniformly spaced. The solid electrolyte is adopted as the electrolyte layer 130, so that the electrochromic glass assembling process is simplified, the industrialization of the electrochromic glass is further promoted, and the processing feasibility and the product stability are improved.
In other embodiments of the utility model, the electrolyte layer 130 is also colloidal, for example, including: lithium salt, organic solvent, polymer and curing agent. In particular, the lithium salt mentioned is LiAsF 6 、LiPF 6 、LiBF 4 、CF 3 SO 3 Li and LiClO 4 One or more of the following. The organic solvent mentioned is one or more of PC, EC, DEC, DMC, EMC. The polymers mentioned are one or more of PEO, PAN, PPO, PVDF, PMMA and PVC. The curing agent mentioned is an ultraviolet curing agent. In addition, the insulating spacers are added to the electrolyte layer 130, so that the first and second electrochromic substrates 110 and 120 can be uniformly spaced. By adopting the film structure of the electrolyte layer 130 formed by the gel electrolyte, the uniformity and stability of the electrochromic glass for color change are further improved.
Referring to fig. 5 and 6, the first light emitting unit 212 includes, for example: a first light emitting display surface 2121 adjacent to the first opposing surface 211 and a plurality of first electrode pins 2122 disposed on the first light emitting display surface 2121. The second light emitting unit 222 includes: a second light emitting display surface 2221 adjacent to the first opposite surface 211 and a first connection surface 2223 opposite to the second light emitting display surface 2221, and the first connection surface 2223 is provided with a plurality of second electrode pins 2222.
Specifically, the structures of the first light emitting unit 212 and the second light emitting unit 222 are, for example, hexahedral shapes, although the present utility model is not limited to the specific shape of the light emitting units, and may be, for example, cylindrical shapes. Each light emitting unit is, for example, an LED light point, and for example, includes three light beads of red (R), green (G) and blue (B), and light emitted by the three light beads of red (R), green (G) and blue (B) is emitted through a light emitting region of the light emitting display surface.
Further, the transparent display module 200 further includes, for example: a plurality of first transparent conductive lines and a plurality of second transparent conductive lines. The first transparent conductive wires are arranged along the first opposite surfaces and connected with the first light-emitting units. The plurality of second transparent conductive wires are arranged along the second opposite surfaces and are connected with the plurality of second light emitting units.
Further, the plurality of first light emitting units 212 includes: a first partial light emitting unit a and a second partial light emitting unit B. Wherein the first transparent conductive line 213 connecting the first partial light emitting unit a is different from the first transparent conductive line 213 connecting the second partial light emitting unit B in the extending direction on the first opposite surface 211.
As shown in fig. 7, the first transparent conductive line 213 connecting the first partial light emitting unit a extends to one boundary, for example, the left boundary, of the first opposite surface 211 in the E1 direction of the first opposite surface 211. The first transparent conductive line 213 connecting the second partial light emitting unit B extends to one boundary, for example, the right boundary, of the first opposite surface 211 in the direction E2 opposite to the direction E1 of the first opposite surface 211. Of course, the E1 direction and the E2 direction may also be in a vertical relationship, i.e., the E1 direction of the first transparent conductive line 213 connecting the first portion of the light emitting units a extends to the left boundary of the first opposite surface 211, for example, and the E2 direction of the first transparent conductive line 213 connecting the second portion of the light emitting units B extends to the opposite direction E2 of the first opposite surface 211 to the E1 direction, for example, to the upper or lower boundary of the first opposite surface 211. Preferably, the number of first partial light emitting units a connected to the first transparent conductive line 213 extending in the E1 direction is, for example, equal to the number of second partial light emitting units B connected to the first transparent conductive line 213 extending in the E2 direction. The number of the first transparent conductive lines 213 connecting the plurality of first light emitting units 212 to the two boundary lines of the first opposite surface 211 is the same, so that the total width of all the transparent conductive lines arranged in the pitch of the light emitting units is reduced to half of that of the single-side lines, that is, the pixel density of the display glass is increased.
Specifically, the first opposite surface 211 is coated with a transparent conductive film, for example, which is formed by a process in the prior art, and will not be described herein. The material of the transparent conductive film includes, for example, ITO, although the present utility model is not limited thereto, and the material of the transparent conductive film may be, for example, one or a combination of a plurality of kinds in FTO, IGZO, AZO, GZO. The transparent conductive film is processed into transparent conductive lines, for example, by laser etching.
Further, the projection 222a of the target second light emitting unit of the plurality of second light emitting units 222 on the first opposite surface 211 is equidistant from the projections 212a of the two first light emitting units 212 located on both sides of the target second light emitting unit in the target direction on the first opposite surface 211, respectively.
It should be noted that when the same number of light emitting units are arranged, the total width of all transparent conductive wires connected with the light emitting units is reduced, and the specification of the transparent display module can be adjusted and reduced accordingly, so that the specification freedom of the display device is realized, and the display device is more beneficial to being suitable for various environments such as wall surfaces and the like. In addition, on the glass of same specification, under the condition that the width of a single conducting wire is unchanged, the total width of all transparent conducting wires connected with the light-emitting units in the gaps of the light-emitting units is reduced, more light-emitting units can be distributed in the gaps among the light-emitting units, and the lattice density of the light-emitting units is improved.
The working principle of the display device 10 provided in the embodiment of the utility model is as follows: when the first electrode 114 and the second electrode 124 are powered on, lithium ions in the electrochromic module 100 migrate under the driving action of the electric field, so that the color-changing layer performs a cyclic reaction from oxidation to reduction to oxidation, and the color change is realized. The colors before and after the color change can be: the color change is a change of various colors such as colorless-light blue-dark blue, colorless-light blue green-dark blue, light green-dark blue, yellow green-dark blue, light yellow-cyan, green-dark brown, gray-green-yellow, and the like. The light emitting units in the transparent display module 200 emit light under the action of the electric field to perform image display, and at this time, only the display image of the transparent display module 200 can be seen at one side of the transparent display module 200. When the power is turned off, the electrochromic module 100 does not perform color change, and the transparent display module 200 does not perform picture display, at this time, an external landscape can be seen through the electrochromic module 100 at one side of the transparent display module 200.
In summary, the electrochromic module in the display device provided by the embodiment of the utility model can realize periodic injection and extraction of ions, and no larger attenuation occurs in the periodic injection and extraction process, so that the display device has the characteristic of high stability. Meanwhile, after the display device is connected with a power supply, the electrochromic module at the outer side can be reversibly changed through the color and the transparency of the material under the action of an electric field so as to adjust the absorption and the transmission of light to realize energy conservation. Meanwhile, the transparent display module on the inner side can also display pictures in the running process of the electrochromic module. And when the power supply is disconnected, the external landscape can be seen through the display device, so that the display effect is improved, and the selectivity of the display mode is increased. In addition, the electrochromic module has good ionic conductivity, high lithium ion migration rate, high response speed of the electrochromic module to the color change, long residence time of the color after the color change and more energy saving.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present utility model, and the technical solutions of the embodiments may be arbitrarily combined and matched without conflict in technical features, contradiction in structure, and departure from the purpose of the present utility model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (9)
1. A display device, comprising:
an electrochromic module comprising:
a first conductive color change substrate;
a second conductive color change substrate;
an electrolyte layer sandwiched between the first and second electrochromic substrates;
wherein, a first electrode and a second electrode are respectively arranged in the first conductive color-changing substrate and the second conductive color-changing substrate;
the transparent display module is connected with the second conductive color-changing substrate and comprises:
a first transparent substrate;
the second transparent substrate is arranged opposite to the first transparent substrate;
the first opposite surface of the first transparent substrate opposite to the second transparent substrate is provided with a plurality of first light-emitting units, and the second opposite surface of the second transparent substrate opposite to the first transparent substrate is provided with a plurality of second light-emitting units;
the projections of the first light-emitting units and the second light-emitting units on the first opposite surfaces are staggered, and the light rays emitted by the first light-emitting units and the second light-emitting units face to one end far away from the electrochromic module and are emitted through the first transparent substrate; and one side of the second transparent substrate far away from the first transparent substrate is connected with the second conductive color-changing substrate.
2. The display device of claim 1, wherein the first conductive color change substrate comprises: the first substrate, the first conductive layer, the first electrode and the first color-changing layer are sequentially stacked;
the second conductive color-changing substrate includes: the second substrate, the second conductive layer, the second electrode and the second color-changing layer are sequentially stacked;
wherein the electrolyte layer is disposed between the first color-changing layer and the second color-changing layer;
the electrochromic module further comprises:
a first ion transition layer disposed between the first color-changing layer and the electrolyte layer;
and a second ion transition layer disposed between the second color-changing layer and the electrolyte layer.
3. The display device according to claim 2, wherein the first ion transition layer is an intermediate layer formed by a chemical reaction between the first color-changing layer and the electrolyte layer, and the second ion transition layer is another intermediate layer formed by a chemical reaction between the second color-changing layer and the electrolyte layer.
4. The display device according to claim 1, wherein the electrolyte layer is in a liquid state.
5. The display device according to claim 1, wherein the electrolyte layer is in a solid state or a colloidal state.
6. The display device according to claim 2, wherein thicknesses of the first substrate, the first conductive layer, the first color-changing layer, the second conductive layer, the second substrate, the electrolyte layer, the first transparent substrate, and the second transparent substrate are at least partially the same; or alternatively
The thicknesses of the first substrate, the first conductive layer, the first color-changing layer, the second conductive layer, the second substrate, the electrolyte layer, the first transparent substrate and the second transparent substrate are all different.
7. The display device according to claim 1, wherein the first light emitting unit includes: a first light emitting display surface adjacent to the first opposing surface and a plurality of first electrode pins disposed on the first light emitting display surface; and
the second light emitting unit includes: a second light-emitting display surface adjacent to the first opposite surface and a first connection surface opposite to the second light-emitting display surface, wherein the first connection surface is provided with a plurality of second electrode pins;
the transparent display module further includes: a plurality of first transparent conductive lines and a plurality of second transparent conductive lines;
wherein the plurality of first transparent conductive wires are arranged along the first opposite surfaces and are connected with the plurality of first light emitting units;
the plurality of second transparent conductive wires are arranged along the second opposite surfaces and connected with the plurality of second light-emitting units.
8. The display device according to claim 7, wherein the plurality of first light emitting units include: a first partial light emitting unit and a second partial light emitting unit;
wherein the first transparent conductive line connecting the first partial light emitting unit and the first transparent conductive line connecting the second partial light emitting unit are different in extending direction on the first opposite surface.
9. The display device according to claim 1, wherein projections of a target second light emitting unit of the plurality of second light emitting units onto the first opposing surface are equal in distance from projections of two first light emitting units located on both sides of the target second light emitting unit in a target direction onto the first opposing surface, respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320808681.9U CN220252353U (en) | 2023-04-04 | 2023-04-04 | Display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320808681.9U CN220252353U (en) | 2023-04-04 | 2023-04-04 | Display device |
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