A heated glass structure

Abstract

The application discloses a kind of heating glass structure, including first glass substrate, second glass substrate and the heating function layer being arranged between first glass substrate and second glass substrate, heating function layer includes sequentially stacked first transparent conductive layer, insulating transparent dielectric layer and second transparent conductive layer along the thickness direction, first transparent conductive layer and second transparent conductive layer are graphene film layer, first transparent conductive layer is provided with first electrode, second transparent conductive layer is provided with second electrode, first electrode and second electrode are located at opposite two side edges of heating function layer respectively, polarity of first electrode and second electrode is opposite, insulating transparent dielectric layer is clamped between first transparent conductive layer and second transparent conductive layer, and insulating transparent dielectric layer is optical transparent adhesive layer, thereby solve the technical problems that the existing heating glass exists uneven heating, slow heating speed, light transmittance and heating efficiency are difficult to take into account, and reliability is insufficient.

Description

Technical Field

[0001] This invention relates to the technical field of glass heating, and more particularly to a glass heating structure. Background Technology

[0002] Heated glass, a functional glass product integrating heating and light transmission, is widely used in automotive window defrosting, building curtain wall anti-condensation, and refrigerated display windows. Existing technologies primarily include two types of heated glass: embedded heating wire and transparent conductive film. However, embedded heating wire glass suffers from poor light transmittance and visibility due to the opaque nature of the metal heating wire. Furthermore, the linear heating element can easily lead to localized overheating and thermal stress, increasing the risk of glass breakage. While transparent conductive film glass improves light transmittance, the commonly used ITO film has a high sheet resistance and slow heating under low voltage. Additionally, uneven current distribution at the edge electrode connections of a single-layer conductive film results in uneven surface heating, affecting defrosting performance and lifespan. Moreover, the conductive film, directly exposed within the interlayer, is susceptible to moisture corrosion and oxidation, and ITO material relies on the rare metal indium, making it expensive and resource-constrained. More critically, existing heated glass often uses a single heating layer; a localized failure can lead to complete functional loss, resulting in insufficient reliability.

[0003] Therefore, there is an urgent need to develop a heating glass structure that features uniform heating, rapid temperature rise, high light transmittance, and good reliability. Summary of the Invention

[0004] The present invention aims to at least partially solve one of the technical problems in the related art.

[0005] Therefore, the purpose of this invention is to propose a heated glass structure to solve the problems of uneven heating of heated glass, difficulty in balancing light transmittance and durability, and insufficient reliability of a single heating layer in the prior art.

[0006] To achieve the above objectives, the present invention proposes a heated glass structure, comprising a first glass substrate, a second glass substrate, and a heating functional layer disposed between the first glass substrate and the second glass substrate, characterized in that:

[0007] The heating functional layer includes a first transparent conductive layer, an insulating transparent dielectric layer, and a second transparent conductive layer, which are sequentially stacked along the thickness direction.

[0008] Both the first and second transparent conductive layers are graphene thin films, and their thicknesses are both between 10 nm and 100 nm.

[0009] A first electrode is disposed on the first transparent conductive layer, and a second electrode is disposed on the second transparent conductive layer. The first electrode and the second electrode are located at opposite edges of the heating functional layer, and the polarities of the first electrode and the second electrode are opposite.

[0010] The insulating transparent dielectric layer is sandwiched between the first transparent conductive layer and the second transparent conductive layer, and the insulating transparent dielectric layer is an optically transparent adhesive layer.

[0011] In addition, the heating glass structure proposed above according to the present invention may also have the following additional technical features:

[0012] Specifically, the first transparent conductive layer and the second transparent conductive layer are each provided with a plurality of parallel and spaced conductive sub-regions, and an insulating gap is provided between adjacent conductive sub-regions.

[0013] Specifically, the conductive regions on the first transparent conductive layer and the conductive regions on the second transparent conductive layer are staggered in the thickness projection direction.

[0014] Specifically, both the first electrode and the second electrode are screen-printed conductive silver paste electrodes, and the width of the conductive silver paste electrode is 3mm to 10mm.

[0015] Specifically, it also includes a temperature sensor, which is disposed on the surface of the first glass substrate or the second glass substrate, and is electrically connected to the first electrode and the second electrode.

[0016] Specifically, both the first glass substrate and the second glass substrate are tempered glass, and their thicknesses are both 2mm to 5mm.

[0017] Specifically, the edge of the heated glass structure is provided with a sealing strip, which is provided along the circumferential edge of the first glass substrate and the second glass substrate to seal the heating functional layer between the first glass substrate and the second glass substrate.

[0018] Specifically, the width of the conductive area is 2mm to 8mm, and the width of the insulating gap is 0.2mm to 0.5mm.

[0019] Specifically, the sheet resistance of both the first transparent conductive layer and the second transparent conductive layer is 200Ω to 400Ω.

[0020] Specifically, it also includes a temperature controller, which is electrically connected to the first electrode, the second electrode and the temperature sensor respectively, and is used to control the voltage or current applied to the first electrode and the second electrode according to the temperature signal fed back by the temperature sensor.

[0021] Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects:

[0022] 1. By using a double-layer graphene film as a transparent conductive layer, and taking advantage of graphene's excellent electrical and thermal conductivity and extremely high light transmittance, rapid heating under low voltage drive is achieved while ensuring the high light transmittance of the glass. By setting an optically transparent adhesive layer between the two graphene films as an insulating transparent dielectric layer, not only is electrical isolation and optical coupling between the two conductive layers achieved, but the buffering effect of the adhesive layer is also used to eliminate interlayer stress and improve the overall stability of the structure.

[0023] 2. By dividing the two transparent conductive layers into multiple parallel and spaced conductive sub-regions, and staggering the conductive sub-regions of the upper and lower layers in the thickness projection direction, this interlaced and complementary conductive network structure effectively eliminates the heating blind zone caused by insulation gaps or local defects in a single conductive film, making the current path appear to be continuously and uniformly distributed macroscopically, significantly improving the heating uniformity of the glass surface, and avoiding the risk of thermal stress caused by local overheating.

[0024] 3. The dual protection design, which combines full-lamination with optically transparent adhesive layer and edge sealing strip, completely isolates the graphene conductive layer from the erosion of water vapor and oxygen, solving the problem of easy oxidation and failure of traditional conductive films and greatly extending the service life of the product; the two independent heating function layers form a redundant backup mechanism. When one layer fails partially, the other layer can still maintain the basic heating function, which significantly improves the operational reliability of the heated glass.

[0025] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0026] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, wherein:

[0027] Figure 1 This is a schematic diagram of the heating glass structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the internal structure of the first glass substrate in the heated glass structure of the present invention.

[0029] As shown in the figure: 1. First glass substrate; 2. Second glass substrate; 3. Heating functional layer; 4. First transparent conductive layer; 5. Insulating transparent dielectric layer; 6. Second transparent conductive layer; 7. First electrode; 8. Second electrode; 9. Conductor region; 10. Insulating gap; 11. Temperature sensor; 12. Sealing strip; 13. Temperature controller. Detailed Implementation

[0030] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the invention, and should not be construed as limiting the invention. Rather, embodiments of the invention include all variations, modifications, and equivalents falling within the spirit and scope of the appended claims.

[0031] Example 1

[0032] like Figure 1 As shown, this embodiment provides a heated glass structure, including a first glass substrate 1, a second glass substrate 2, and a heating functional layer 3 disposed between the first glass substrate 1 and the second glass substrate 2. Specifically, the first glass substrate 1 and the second glass substrate 2 serve as the supporting carrier and protective shell of the entire structure, and the heating functional layer 3 is encapsulated between the two to achieve the function of heating by electricity. The heating functional layer 3 includes a first transparent conductive layer 4, an insulating transparent dielectric layer 5, and a second transparent conductive layer 6, which are stacked sequentially along the thickness direction. This three-layer composite structure design constitutes the core basic architecture of this invention. Through the synergistic cooperation of the two conductive layers and the intermediate insulating layer, efficient electrothermal heating is achieved while ensuring the optical transparency and electrical safety of the structure.

[0033] In this embodiment, both the first transparent conductive layer 4 and the second transparent conductive layer 6 are graphene thin film layers, and the thickness of both the first transparent conductive layer 4 and the second transparent conductive layer 6 is 10nm to 100nm.

[0034] Specifically, graphene film is chosen as the conductive heating element because of its extremely high carrier mobility and excellent thermal conductivity. Compared to traditional ITO films, it exhibits lower sheet resistance and better flexibility at the same thickness. Limiting the thickness to the range of 10nm to 100nm is based on a balance between light transmittance and conductivity: when the thickness is less than 10nm, the graphene film is difficult to form a continuous and complete conductive network, easily resulting in island-like fractures that lead to a sharp increase in sheet resistance or even open circuits; while when the thickness exceeds 100nm, although conductivity is further improved, visible light transmittance will decrease significantly, affecting the optical clarity of the glass.

[0035] The insulating transparent dielectric layer 5 is sandwiched between the first transparent conductive layer 4 and the second transparent conductive layer 6, and the insulating transparent dielectric layer 5 is an optically transparent adhesive layer.

[0036] Specifically, optically transparent adhesive (OCA) was chosen instead of traditional rigid insulating materials for two main reasons. First, the OCA adhesive layer possesses excellent viscoelasticity and stress-buffering capabilities, effectively absorbing interlayer thermal stress caused by the difference in thermal expansion coefficients between the two graphene films. This prevents film peeling or micro-cracks during repeated temperature cycles, thereby improving the long-term reliability of the product. Second, the OCA adhesive layer enables full-bonding encapsulation, completely filling the tiny gaps between layers and blocking the penetration paths of moisture and oxygen into the graphene conductive layer. This fundamentally solves the problem of graphene materials being susceptible to environmental corrosion and oxidation failure.

[0037] A first electrode 7 is disposed on the first transparent conductive layer 4, and a second electrode 8 is disposed on the second transparent conductive layer 6. The first electrode 7 and the second electrode 8 are located at opposite edges of the heating functional layer 3, and their polarities are opposite. Specifically, placing the two electrodes at opposite edges of the heating functional layer is to establish a uniform lateral electric field distribution within the plane of the conductive layer. When a voltage is applied between the first electrode 7 and the second electrode 8, current flows through the graphene film in a direction parallel to the glass surface, causing Joule heating to be generated uniformly throughout the visible area, avoiding localized overheating caused by point or line electrodes. This edge wiring method also helps to maximize the effective heating area and reduce the impact of electrode obstruction on the field of view.

[0038] Example 2

[0039] Based on the heated glass structure described in Example 1, this embodiment further optimizes the microstructure of the transparent conductive layer. Specifically, the first transparent conductive layer 4 and the second transparent conductive layer 6 are each provided with a plurality of parallel-spaced conductive sub-regions 9, and adjacent conductive sub-regions 9 are separated by insulating gaps 10. In a specific manufacturing process, the conductive sub-regions 9 and the insulating gaps 10 can be formed by laser etching technology.

[0040] Furthermore, the conductive sub-regions 9 on the first transparent conductive layer 4 and the second transparent conductive layer 6 are staggered in the thickness projection direction. This staggered arrangement means that the conductive sub-regions 9 on the two conductive layers are not completely overlapping in a direction perpendicular to the plane of the glass substrate.

[0041] Specifically, this staggered arrangement can take several forms: In a preferred embodiment, the projection of the insulating gap 10 on the first transparent conductive layer 4 in the thickness direction falls entirely within the conductive area 9 on the second transparent conductive layer 6, and vice versa, that is, the conductive strips of the upper and lower layers present a complementary staggered coverage; In another optional embodiment, the conductive areas 9 of the upper and lower layers may also partially overlap, as long as the insulating gap 10 of any layer is covered by the conductive area 9 at the corresponding position of the other layer.

[0042] Furthermore, this partitioned and staggered structure also endows the heated glass with excellent redundancy backup capabilities. Since each layer is divided into multiple independent conductive sub-regions 9, even if one or more conductive sub-regions 9 in one layer fail due to external impact, aging, or other reasons, the current can still continue to flow and generate heat through the corresponding conductive sub-region 9 in another layer, without causing the loss of the entire heating function.

[0043] Example 3

[0044] Based on the heated glass structures described in Examples 1 and 2, this embodiment further optimizes and limits the key process parameters and dimensional ranges. Specifically, the first electrode 7 and the second electrode 8 are both screen-printed conductive silver paste electrodes, and the width of the conductive silver paste electrodes is 3mm to 10mm. Meanwhile, the width of the conductive sub-region 9 is 2mm to 8mm, and the width of the insulating gap 10 is 0.2mm to 0.5mm.

[0045] Specifically, the width of the conductive silver paste electrode is set between 3mm and 10mm primarily to balance the relationship between contact resistance and effective light-transmitting area. When the electrode width is less than 3mm, the effective contact area between the silver paste and the graphene film is too small, leading to a significant increase in interfacial contact resistance. Under high-current operating conditions, this easily results in localized Joule heat accumulation at the electrode connection, causing energy waste and potentially leading to adhesive layer aging or glass cracking due to overheating. Conversely, when the electrode width exceeds 10mm, although the contact resistance is further reduced, the electrode's obstruction of the field of view is too large, severely affecting the basic function of the heated glass as a transparent window and increasing the material cost of the precious metal silver paste.

[0046] Regarding the dimensional fit between the conductive area 9 and the insulation gap 10, this embodiment limits them to the ranges of 2mm to 8mm and 0.2mm to 0.5mm, respectively. This is crucial for eliminating visual defects and ensuring electrical safety. If the width of the insulation gap 10 is greater than 0.5mm, the human eye will clearly perceive alternating light and dark stripes at normal viewing distances. Especially in a double-layer staggered arrangement structure, an excessively wide gap will weaken the complementary effect, resulting in a visible grid-like texture on a macroscopic scale, which seriously affects visual comfort. Conversely, if the width of the insulation gap 10 is less than 0.2mm, due to limitations in the processing precision and heat-affected zone control capabilities of the laser etching equipment, incomplete etching or residual slag at the edges is very likely to occur, leading to micro-short circuits or insulation breakdowns between adjacent conductive areas 9. Especially in high humidity and high temperature environments, the electric field concentration effect within the narrow gap will accelerate the aging and failure of the dielectric layer.

[0047] The setting of the sheet resistance range of the first transparent conductive layer 4 and the second transparent conductive layer 6 to 200Ω to 400Ω is a compromise between low voltage driving scenarios and high light transmittance requirements.

[0048] Example 4

[0049] Based on the heated glass structures described in Examples 1 to 3, this embodiment further introduces an active temperature management mechanism. Specifically, it also includes a temperature sensor 11, which is disposed on the surface of the first glass substrate 1 or the second glass substrate 2, and is electrically connected to the first electrode 7 and the second electrode 8. The "surface" referred to here can be either the outer surface facing the external environment or the inner surface facing the heating functional layer 3. However, considering the balance between temperature measurement response speed and installation protection, it is preferable to attach the temperature sensor 11 to the non-visible area of ​​the edge of the first glass substrate 1 or the second glass substrate 2 facing the heating functional layer 3, or embed it in a groove inside the sealing strip. This arrangement allows the temperature sensor 11 to directly sense the actual temperature conducted from the heating functional layer 3 to the glass substrate, avoiding interference from ambient temperature airflow on the temperature measurement results, while also not occupying the effective light-transmitting area.

[0050] Furthermore, to achieve intelligent constant temperature control and safety protection, the present invention also includes a temperature controller 13, which is electrically connected to the first electrode 7, the second electrode 8, and the temperature sensor 11, respectively, and is used to control the voltage or current applied to the first electrode 7 and the second electrode 8 according to the temperature signal fed back by the temperature sensor 11. It should be noted that, to avoid confusion with the reference numerals of the sealing strip 12 mentioned above, the reference numeral for the temperature controller in this embodiment is specifically designated as 13. The temperature controller 13 internally stores a target temperature threshold and a safety protection threshold. During operation, the temperature controller 13 continuously receives real-time temperature signals from the temperature sensor 11 and compares them with the preset target temperature threshold. When the detected temperature is lower than the target lower limit, the temperature controller 13 drives the power output stage to apply the rated voltage to the first electrode 7 and the second electrode 8 or increases the current output, causing the heating functional layer 3 to heat up rapidly; when the detected temperature approaches or reaches the target upper limit, the output power is dynamically reduced or the power supply is cut off to prevent overshoot.

[0051] In terms of specific regulation strategies, the temperature controller 13 can employ various modulation methods to precisely manage the heating power. In a preferred embodiment, the temperature controller 13 employs pulse width modulation (PWM) technology.

[0052] More importantly, this closed-loop control system works in deep synergy with the aforementioned double-layer graphene heating structure to jointly construct a system-level safety protection system. Because graphene films have extremely low heat capacity and extremely fast thermal response, without precise closed-loop control, temperature overshoot can easily occur at the moment of power-on, leading to localized thermal stress concentration and even glass shattering. The temperature controller 13 in this invention, in conjunction with the highly sensitive temperature sensor 11, can control temperature fluctuations within ±2℃, effectively suppressing the risk of thermal shock. Simultaneously, combined with the double-layer staggered redundancy structure described in Example 2, even if a local hot spot unexpectedly appears in a conductive area of ​​one layer, the temperature sensor 11 can promptly detect the abnormal temperature rise signal, and the temperature controller 13 will immediately trigger power reduction or power-off protection, while the other intact conductive layer can still maintain basic defogging functionality.

[0053] Example 5

[0054] Based on the heated glass structure described in Examples 1 to 4, this example further optimizes the selection of the substrate and the edge sealing protection structure.

[0055] Specifically, both the first glass substrate 1 and the second glass substrate 2 are tempered glass, and their thicknesses are both 2mm to 5mm.

[0056] Tempered glass was chosen as the substrate primarily because heated glass undergoes cyclical thermal expansion and contraction during operation and may be subject to external mechanical impacts or wind pressure loads. Tempered glass undergoes physical or chemical strengthening treatment, forming a compressive stress layer on its surface and a tensile stress layer internally. This prestressed state significantly enhances its bending strength and thermal shock resistance compared to ordinary float glass, effectively resisting thermal stress damage caused by localized temperature differences and ensuring safe use. Limiting the thickness to between 2mm and 5mm is based on a comprehensive balance between mechanical safety, thermal conductivity, and lightweight requirements. While a thickness less than 2mm offers better light transmission and lightweighting, insufficient rigidity makes it prone to deformation or even breakage under wind pressure or installation stress. Furthermore, an excessively thin substrate weakens the buffering protection of the internal heating functional layer 3. Conversely, a thickness exceeding 5mm significantly increases the glass's heat capacity, resulting in a slower heating response after power-on, reduced defrosting and defogging efficiency, and increased overall component weight, making it unsuitable for applications in weight-sensitive environments such as automobiles.

[0057] In a preferred embodiment, the thickness of both the first glass substrate 1 and the second glass substrate 2 is set to 3mm to 4mm. This thickness range can meet the safety strength standards of automotive or building grade, and also ensure that heat is quickly conducted to the surface, achieving the best match between energy efficiency and reliability.

[0058] Furthermore, a sealing strip 12 is provided along the edge of the heated glass structure. The sealing strip 12 is disposed along the circumferential edge of the first glass substrate 1 and the second glass substrate 2, sealing the heating functional layer 3 between the first glass substrate 1 and the second glass substrate 2. Specifically, the sealing strip 12 is a key barrier to ensure the long-term durability of the heated glass. Since graphene materials are sensitive to moisture and oxygen in the environment, if the sealing is not tight, moisture intrusion will cause the graphene film to oxidize and fail, resulting in a sharp increase in sheet resistance or even a circuit break. Therefore, the sealing strip 12 in this embodiment preferably adopts a double-seal structure: the inner first seal uses butyl rubber, which utilizes its extremely low water vapor permeability and excellent adhesion to serve as the main line of defense against water vapor penetration; the outer second seal uses polysulfide rubber or silicone structural adhesive, which utilizes its high strength, aging resistance, and UV resistance to provide mechanical protection and resist external environmental corrosion.

[0059] Specifically, because the upper and lower conductive electronic regions 9 overlap each other in the thickness projection direction, the insulating gaps 10 formed by laser etching in a single layer are filled by the conductive regions of the other layer. This prevents light from encountering continuous blocking bands when passing through, thus forming a uniform and transparent heating surface in a macroscopic view. At the same time, the graphene film itself is only nanometer-thick, and its absorption and scattering of light are far lower than those of micrometer-scale metal heating wires or thick-film ITO, further ensuring the clarity of the driver's field of vision.

[0060] Regarding long-term reliability, the heated glass sample underwent rigorous high-temperature and high-humidity aging and thermal shock cycling tests. After being placed continuously at 85℃ / 85%RH for 1000 hours, the sheet resistance change rate of the sample was less than 3%, and no delamination, blistering, or electrode corrosion was observed. This fully demonstrates the effectiveness of the dual protection system consisting of the OCA adhesive layer full-lamination encapsulation described in Example 1 and the butyl rubber / polysulfide double-edge seal described in Example 5. The OCA adhesive layer eliminates internal micropores, blocking the lateral diffusion path of moisture between layers; while the edge sealing strip 12 constructs a robust barrier against the intrusion of external moisture. The synergistic effect of both ensures that the graphene conductive layer remains in a dry and stable microenvironment, fundamentally overcoming the industry problem of easy oxidation and failure of carbon-based materials. Furthermore, in 1000 thermal shock cycles from -40℃ to 85℃, the sample maintained its functionality without glass breakage or heating failure, thanks to the high thermal shock resistance of the tempered glass substrate and the effective buffering and absorption of interlayer thermal stress by the OCA adhesive layer.

[0061] In summary, the heated glass structure provided by this invention successfully achieves multiple technical goals in automotive window defogging and defrosting applications, including rapid and uniform heating under low voltage drive, high light transmittance without visual distortion, and long-term environmental tolerance. Compared to existing heating wire embedded type and single-layer ITO film type solutions, this invention not only has significant advantages in heating rate and optical quality, but also greatly improves the operational reliability and service life of the product through a double-layer redundant structure and dual protection design, providing a safer, more efficient, and durable transparent heating solution for the development of new energy vehicles and intelligent cockpits.

[0062] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0063] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0064] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A heated glass structure, comprising a first glass substrate (1), a second glass substrate (2), and a heating functional layer (3) disposed between the first glass substrate (1) and the second glass substrate (2), characterized in that... : The heating functional layer (3) includes a first transparent conductive layer (4), an insulating transparent dielectric layer (5), and a second transparent conductive layer (6) stacked sequentially along the thickness direction; Both the first transparent conductive layer (4) and the second transparent conductive layer (6) are graphene thin film layers, and the thickness of both the first transparent conductive layer (4) and the second transparent conductive layer (6) is 10 nm to 100 nm; A first electrode (7) is disposed on the first transparent conductive layer (4), and a second electrode (8) is disposed on the second transparent conductive layer (6). The first electrode (7) and the second electrode (8) are respectively located on opposite sides of the heating functional layer (3), and the polarities of the first electrode (7) and the second electrode (8) are opposite. The insulating transparent dielectric layer (5) is sandwiched between the first transparent conductive layer (4) and the second transparent conductive layer (6), and the insulating transparent dielectric layer (5) is an optically transparent adhesive layer.

2. The heated glass structure according to claim 1, characterized in that, The first transparent conductive layer (4) and the second transparent conductive layer (6) are respectively provided with a plurality of parallel and spaced conductive sub-regions (9), and an insulating gap (10) is provided between adjacent conductive sub-regions (9).

3. The heated glass structure according to claim 2, characterized in that, The conductive sub-regions (9) on the first transparent conductive layer (4) and the conductive sub-regions (9) on the second transparent conductive layer (6) are staggered in the thickness projection direction.

4. The heated glass structure according to claim 1, characterized in that, The first electrode (7) and the second electrode (8) are both screen-printed conductive silver paste electrodes, and the width of the conductive silver paste electrodes is 3 mm to 10 mm.

5. The heated glass structure according to claim 1, characterized in that, It also includes a temperature sensor (11), which is disposed on the surface of the first glass substrate (1) or the second glass substrate (2), and the temperature sensor (11) is electrically connected to the first electrode (7) and the second electrode (8).

6. The heated glass structure according to claim 1, characterized in that, Both the first glass substrate (1) and the second glass substrate (2) are tempered glass with a thickness of 2 mm to 5 mm.

7. The heated glass structure according to claim 1, characterized in that, The edge of the heated glass structure is provided with a sealing strip (12), which is provided along the circumferential edge of the first glass substrate (1) and the second glass substrate (2) to seal the heating functional layer (3) between the first glass substrate (1) and the second glass substrate (2).

8. The heated glass structure according to claim 1, characterized in that, The width of the conductive area (9) is 2 mm to 8 mm, and the width of the insulating gap (10) is 0.2 mm to 0.5 mm.

9. The heated glass structure according to claim 1, characterized in that, The sheet resistance of both the first transparent conductive layer (4) and the second transparent conductive layer (6) is 200Ω to 400Ω.

10. The heated glass structure according to claim 1, characterized in that, It also includes a temperature controller (13), which is electrically connected to the first electrode (7), the second electrode (8) and the temperature sensor (11) respectively, and is used to control the voltage or current applied to the first electrode (7) and the second electrode (8) according to the temperature signal fed back by the temperature sensor (11).

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