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CN113766686A - Safety glass, display device and electronic equipment - Google Patents

Safety glass, display device and electronic equipment Download PDF

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Publication number
CN113766686A
CN113766686A CN202110859075.5A CN202110859075A CN113766686A CN 113766686 A CN113766686 A CN 113766686A CN 202110859075 A CN202110859075 A CN 202110859075A CN 113766686 A CN113766686 A CN 113766686A
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CN
China
Prior art keywords
layer
glass
safety glass
pvb
exemplary embodiments
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110859075.5A
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Chinese (zh)
Inventor
魏照
樊荣江
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Truly Opto Electronics Ltd
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Truly Opto Electronics Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Truly Opto Electronics Ltd filed Critical Truly Opto Electronics Ltd
Priority to CN202110859075.5A priority Critical patent/CN113766686A/en
Publication of CN113766686A publication Critical patent/CN113766686A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • H05B3/86—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields the heating conductors being embedded in the transparent or reflecting material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/11—Anti-reflection coatings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/14—Glass
    • C09J2400/143—Glass in the substrate

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The embodiment of the invention discloses safety glass, which comprises: the glass comprises a first glass layer, a heating layer, an insulating layer, a PVB layer and a second glass layer; a heating layer is distributed on the upper surface of the first glass layer; an insulating layer is arranged on the upper surface of the heating layer; the PVB layer is arranged on the upper surface of the insulating layer, and the second glass layer is arranged on the upper surface of the PVB layer; or the PVB layer is arranged on the lower surface of the first glass layer, and the second glass layer is arranged on the lower surface of the PVB layer. The embodiment of the invention also provides electronic equipment which comprises the safety glass, so that the safety is improved, the use effect in a freezing environment is realized, the light transmittance is improved, and the imaging effect is enhanced.

Description

Safety glass, display device and electronic equipment
Technical Field
The invention relates to the technical field of glass, in particular to safety glass, a display device and electronic equipment.
Background
The structure of glass apron + PVB glue + glass apron that traditional safety glass mostly adopted, its characteristics are that intensity is high and explosion-proof. Taking the safety glass used in the automobile as an example, the safety glass is mainly used in the central control and the instrument in the automobile. However, external radar and front/back imaging devices are rarely used. If a layer of safety glass is simply pasted on the radar or the camera, the reflection of the cover plate is high, the transmission is low, and the image of the cover plate is likely to be greatly influenced. In addition, if extreme weather, such as freezing weather, is met, a layer of ice condensed on the radar or the camera of the automobile is difficult to remove, and thus, a great potential safety hazard is caused to driving. Therefore, how to solve the above technical problems has become a technical problem to be solved.
Disclosure of Invention
In order to solve the above technical problems, an embodiment of the present invention provides a safety glass, which can improve safety performance and realize a heating function.
In order to achieve the above object, an embodiment of the present invention provides a safety glass, including:
the glass comprises a first glass layer, a heating layer, an insulating layer, a PVB layer and a second glass layer; a heating layer is distributed on the upper surface of the first glass layer; an insulating layer is arranged on the upper surface of the heating layer; the PVB layer is arranged on the upper surface of the insulating layer, and the second glass layer is arranged on the upper surface of the PVB layer; or the PVB layer is arranged on the lower surface of the first glass layer, and the second glass layer is arranged on the lower surface of the PVB layer.
In some exemplary embodiments, when the PVB layer is disposed on the upper surface of the insulating layer, the lower surface of the first glass layer is AR coated;
when the PVB layer is arranged on the lower surface of the first glass layer, the upper surface of the first glass layer is subjected to AR coating treatment.
In some exemplary embodiments, the side of the second glass layer opposite to the first glass layer is subjected to AR coating treatment and AF coating treatment.
In some exemplary embodiments, the side of the second glass layer facing the first glass layer is screen printed with ink.
In some exemplary embodiments, the heating layer includes a heating wire.
In some exemplary embodiments, the heating wire comprises screen printed silver paste, sputtered ITO, or sputtered MoAlMo.
In some exemplary embodiments, the heating layer is connected to an FPC via an electrode.
In some exemplary embodiments, the FPC is embedded in the safety glass or is externally connected to the safety glass.
In some exemplary embodiments, the safety glass further comprises an OCA layer;
when the PVB layer is arranged on the upper surface of the insulating layer, the OCA layer is arranged on the lower surface of the first glass layer;
when the PVB layer is arranged on the lower surface of the first glass layer, the OCA layer is arranged on the upper surface of the insulating layer
In some exemplary embodiments, a viewing zone is provided at the same location of the insulating layer, the second glass layer, and the OCA layer.
In some exemplary embodiments, the heating wire is disposed in a region of the corresponding viewing zone of the heating layer.
In order to achieve the above object, embodiments of the present invention further provide a display device, which uses the above safety glass.
In order to achieve the above object, an embodiment of the present invention further provides an electronic device, where the electronic device employs the safety glass or the display device.
The safety glass of the embodiment of the invention comprises: the glass comprises a first glass layer, a heating layer, an insulating layer, a PVB layer and a second glass layer; a heating layer is distributed on the upper surface of the first glass layer; an insulating layer is arranged on the upper surface of the heating layer; the PVB layer is arranged on the upper surface of the insulating layer, and the second glass layer is arranged on the upper surface of the PVB layer; or the PVB layer is arranged on the lower surface of the first glass layer, and the second glass layer is arranged on the lower surface of the PVB layer. The safety performance of the glass is improved, the glass heating function is realized, and the effect of the terminal in a frozen environment is improved; the light transmittance of the safety glass is improved, stains are not easy to leave on the surface of the safety glass, and the imaging effect is further improved; and then the use experience of the user is improved.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, reference will now be made briefly to the attached drawings, which are needed in the description of one or more embodiments or prior art, and it should be apparent that the drawings in the description below are only some of the embodiments described in the specification, and that other drawings may be obtained by those skilled in the art without inventive exercise.
FIG. 1 is a schematic view of a safety glass according to an embodiment of the present invention;
FIG. 2 is a schematic view of a safety glass according to another embodiment of the present invention;
fig. 3 is a schematic view of an electronic device using the safety glass according to the embodiment of the present invention.
Description of reference numerals:
101/201-first glass layer; 102/202-heating layer; 103/203-an insulating layer; 104/204-PVB layer; 105/205-second glass layer; 106/206-OCA layer; 107/207-FPC; 108/208-vision zone.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides safety glass, which comprises:
the glass comprises a first glass layer, a heating layer, an insulating layer, a PVB layer and a second glass layer; a heating layer is distributed on the upper surface of the first glass layer; an insulating layer is arranged on the upper surface of the heating layer; the PVB layer is arranged on the upper surface of the insulating layer, and the second glass layer is arranged on the upper surface of the PVB layer.
Example 1
Fig. 1 is a schematic structural view of a safety glass according to an embodiment of the present invention, and the safety glass according to an embodiment of the present invention will be described in detail with reference to fig. 1.
The safety glass of embodiment 1 of the present invention includes: a first glass layer 101, a heating layer 102, an insulating layer 103, a PVB layer 104, and a second glass layer 105; a heating layer 102 is arranged on the upper surface of the first glass layer 101; an insulating layer 103 is arranged on the upper surface of the heating layer 102; a PVB layer 104 is disposed on the upper surface of the insulating layer 103 and a second glass layer 105 is disposed on the upper surface of the PVB layer 104.
In some exemplary embodiments, the provision of a PVB (polyvinyl butyral) layer 104 is intended to take advantage of the following advantages of PVB resin:
firstly, the optical definition is excellent, the refractive index of the laminated glass is similar to that of glass, and the clear sight can be ensured because the image detected through the laminated glass does not have optical distortion and double phases;
secondly, the coating has good weather resistance, and can keep deformation in a large temperature range: has stiffness combined with flexibility and excellent impact resistance; excellent bonding efficiency with various glass surfaces;
and thirdly, when the outer glass is broken. Only one irregular crack is formed (radial when the gun is shot), the fragments are still firmly adhered to the intermediate film and do not scatter and scatter, so that the fragments are hurt by people, and the fragments can be continuously used within a certain time (under the condition of not influencing the sight), and the safety performance is good.
In some exemplary embodiments, the lower surface of the first glass layer 101 is AR (Anti-Reflection film/transmission increasing film) coated.
In some exemplary embodiments, the side of the second glass layer 105 opposite to the first glass layer 101 is subjected to AR (Anti-Reflection antireflection/transmission enhancement film) coating treatment and AF (Anti-fingerprint film) coating treatment.
In some exemplary embodiments, the AR coating process is a method of eliminating incident light and reflected light by using interference effects generated by different optical material film layers to improve transmittance, and the glass produced by using destructive interference of light is referred to as AR glass.
In some exemplary embodiments, the safety glass treated by the AR coating has a highest peak value of 99% of visible light transmittance and an average visible light transmittance of more than 95%, so that the original brightness of the safety glass is greatly improved. For example, the transmittance of visible light at 400-700nm is more than 97%; the transmittance of infrared light of 850nm and 940nm and ultraviolet light of 340nm reaches more than 97 percent.
In some exemplary embodiments, the AR-coated safety glass has an average reflectivity of less than 4% and a minimum valley of 0.5% effectively reduces the defect of white image caused by backlight, and enjoys clearer image quality.
In some exemplary embodiments, the safety glass treated by the AR coating has more bright colors and stronger contrast, so that the image has stronger color contrast and the scenery is clearer.
In some exemplary embodiments, the safety glass treated by the AR coating is resistant to ultraviolet rays, effectively protects eyes from greatly reducing transmittance in the ultraviolet spectral region, and can effectively prevent the eyes from being damaged by ultraviolet rays.
In some exemplary embodiments, the safety glass treated by the AR coating has good heat conductivity, and overcomes the disadvantage that the currently used coating acrylic is not easy to conduct heat, so as to prevent the pane from overheating and prolong the service life of the safety glass.
In some exemplary embodiments, the AR-coated safety glass has strong film adhesion, and the transmittance of the glass is improved by the principle of optical refraction.
In some exemplary embodiments, the AR coated safety glass has an optimum AR glass film hardness, which is comparable to glass and is greater than 7H (typical PC board hardness is about 2H to about 3H).
In some exemplary embodiments, the safety glass treated by the AR coating can resist various cleaning agents and can resist wiping of acid and alkali cleaning agents, and the film layer is not damaged.
In some exemplary embodiments, the AR-coated safety glass has an impact resistance greater than that of 3mm thick glass, which is equivalent to 6mm acryl.
In some exemplary embodiments, the safety glass treated by the AR coating maintains a viewing angle, and the viewing angle is reduced after the general acrylic is installed; and the viewing angle does not become smaller after the AR glass is installed.
In some exemplary embodiments, the AR coated safety glass has almost negligible cold and hot deformation, and is suitable for various environments; meanwhile, the AR glass has a colored glaze feeling and is more beautiful in appearance.
In some exemplary embodiments, the safety glass treated with the AF coating has antifouling property and has remarkable removability from oil, water and other stains. That is, it is possible to prevent fingerprints and oil stains from being easily adhered and easily erased.
In some exemplary embodiments, the safety glass treated by the AF coating has the advantages of scratch resistance, smooth surface, comfortable hand feeling and difficulty in scratching.
In some exemplary embodiments, the safety glass treated by the AF coating has the characteristic of thin film layer, excellent optical performance and no change of original texture.
In some exemplary embodiments, the safety glass treated with the AF coating has abrasion resistance.
In some exemplary embodiments, the safety glass after being processed by the AF coating does not need to be attached with a protective film by an end user, so that the service life is prolonged, and the use cost of the user is further saved.
In some exemplary embodiments, the second glass layer 105 is screen printed with ink on the side opposite the first glass layer 101.
In some exemplary embodiments, heating layer 102 includes a linear heating wire.
In some exemplary embodiments, the linear heating wires of heating layer 102 include silk-screened silver paste, sputtered ITO (Indium Tin Oxide), or sputtered MoAlMo (molybdenum aluminum molybdenum).
In some exemplary embodiments, the heating layer 102 is connected to an FPC (Flexible Printed Circuit) via an electrode.
In some exemplary embodiments, the FPC107 may be embedded inside the safety glass or externally connected to the safety glass.
In some exemplary embodiments, the heating wire may be caused to generate heat by energizing the heating wire.
In some exemplary embodiments, the temperature can be controlled by changing the voltage applied to the heating wire.
In some exemplary embodiments, the safety glass further includes an OCA layer 106.
In some exemplary embodiments, OCA layer 106 is disposed on a lower surface of first glass layer 101.
In some exemplary embodiments, the OCA (Optical Clear Adhesive, solid Optical Adhesive) is a special double-sided Adhesive without substrate and Optical transparency, and the OCA layer is provided because safety glass needs to be adhered to the surface of the photosensitive device, which is based on the advantages of OCA, such as high clarity, high light transmittance (total light transmittance > 99%), high adhesion, high weather resistance, water resistance, high temperature resistance, ultraviolet resistance, and controlled thickness, providing uniform spacing, and not generating yellowing (yellowing), peeling and deterioration after long-term use.
In some exemplary embodiments, a viewing zone 108 is provided at the same location of the insulating layer 103, the second glass layer 105 and the OCA layer 106.
In some exemplary embodiments, when the heating layer 102 is provided with a linear heating wire, no heating wire is provided in the corresponding region of the heating layer 102 in the viewing zone 108. That is, when the heating wire is arranged, the area corresponding to the heating layer 102 is bypassed around the vision region 108.
In some exemplary embodiments, the heating wire is straight or curved around the viewing zone 108 in the region corresponding to the heating layer 102.
In some exemplary embodiments, the insulating layer 103 comprises a layer of insulating oil, and the insulating layer 103 is disposed to add a layer of safety protection to the surface of the heating layer 102.
The embodiment of the invention provides safety glass, which comprises:
the glass comprises a first glass layer, a heating layer, an insulating layer, a PVB layer and a second glass layer; a heating layer is distributed on the upper surface of the first glass layer; an insulating layer is arranged on the upper surface of the heating layer; the lower surface on first glass layer is located to the PVB layer, and the lower surface on PVB layer is located to the second glass layer.
Example 2
Fig. 2 is a schematic structural view of another safety glass according to an embodiment of the present invention, and the safety glass according to an embodiment of the present invention will be described in detail with reference to fig. 2.
The safety glass of embodiment 2 of the present invention includes: a first glass layer 201, a heating layer 202, an insulating layer 203, a PVB layer 204, and a second glass layer 205; a heating layer 202 is arranged on the upper surface of the first glass layer 201; an insulating layer 203 is arranged on the upper surface of the heating layer 202; a PVB layer 204 is disposed on the lower surface of the first glass layer 201 and a second glass layer 205 is disposed on the lower surface of the PVB layer 204.
In some exemplary embodiments, the provision of a PVB (polyvinyl butyral) layer 204 is intended to take advantage of the following advantages of PVB resin:
firstly, the optical definition is excellent, the refractive index of the laminated glass is similar to that of glass, and the clear sight can be ensured because the image detected through the laminated glass does not have optical distortion and double phases;
secondly, the coating has good weather resistance, and can keep deformation in a large temperature range: has stiffness combined with flexibility and excellent impact resistance; excellent bonding efficiency with various glass surfaces;
and thirdly, when the outer glass is broken. Only one irregular crack is formed (radial when the gun is shot), the fragments are still firmly adhered to the intermediate film and do not scatter and scatter, so that the fragments are hurt by people, and the fragments can be continuously used within a certain time (under the condition of not influencing the sight), and the safety performance is good.
In some exemplary embodiments, the upper surface of the first glass layer 201 is AR (Anti-Reflection film/transmission increasing film) coated.
In some exemplary embodiments, a side of the second glass layer 205 opposite to the first glass layer 201 is subjected to AR (Anti-Reflection antireflection/transmission enhancement film) coating treatment and AF (Anti-fingerprint film) coating treatment.
In some exemplary embodiments, the AR coating process is a method of eliminating incident light and reflected light by using interference effects generated by different optical material film layers to improve transmittance, and the glass produced by using destructive interference of light is referred to as AR glass.
In some exemplary embodiments, the safety glass treated by the AR coating has a highest peak value of 99% of visible light transmittance and an average visible light transmittance of more than 95%, so that the original brightness of the safety glass is greatly improved. For example, the transmittance of visible light at 400-700nm is more than 97%; the transmittance of infrared light of 850nm and 940nm and ultraviolet light of 340nm reaches more than 97 percent.
In some exemplary embodiments, the AR-coated safety glass has an average reflectivity of less than 4% and a minimum valley of 0.5% effectively reduces the defect of white image caused by backlight, and enjoys clearer image quality.
In some exemplary embodiments, the safety glass treated by the AR coating has more bright colors and stronger contrast, so that the image has stronger color contrast and the scenery is clearer.
In some exemplary embodiments, the safety glass treated by the AR coating is resistant to ultraviolet rays, effectively protects eyes from greatly reducing transmittance in the ultraviolet spectral region, and can effectively prevent the eyes from being damaged by ultraviolet rays.
In some exemplary embodiments, the safety glass treated by the AR coating has good heat conductivity, and overcomes the disadvantage that the currently used coating acrylic is not easy to conduct heat, so as to prevent the pane from overheating and prolong the service life of the safety glass.
In some exemplary embodiments, the AR-coated safety glass has strong film adhesion, and the transmittance of the glass is improved by the principle of optical refraction.
In some exemplary embodiments, the AR coated safety glass has an optimum AR glass film hardness, which is comparable to glass and is greater than 7H (typical PC board hardness is about 2H to about 3H).
In some exemplary embodiments, the safety glass treated by the AR coating can resist various cleaning agents and can resist wiping of acid and alkali cleaning agents, and the film layer is not damaged.
In some exemplary embodiments, the AR-coated safety glass has an impact resistance greater than that of 3mm thick glass, which is equivalent to 6mm acryl.
In some exemplary embodiments, the safety glass treated by the AR coating maintains a viewing angle, and the viewing angle is reduced after the general acrylic is installed; and the viewing angle does not become smaller after the AR glass is installed.
In some exemplary embodiments, the AR coated safety glass has almost negligible cold and hot deformation, and is suitable for various environments; meanwhile, the AR glass has a colored glaze feeling and is more beautiful in appearance.
In some exemplary embodiments, the safety glass treated with the AF coating has antifouling property and has remarkable removability from oil, water and other stains. That is, it is possible to prevent fingerprints and oil stains from being easily adhered and easily erased.
In some exemplary embodiments, the safety glass treated by the AF coating has the advantages of scratch resistance, smooth surface, comfortable hand feeling and difficulty in scratching.
In some exemplary embodiments, the safety glass treated by the AF coating has the characteristic of thin film layer, excellent optical performance and no change of original texture.
In some exemplary embodiments, the safety glass treated with the AF coating has abrasion resistance.
In some exemplary embodiments, the safety glass after being processed by the AF coating does not need to be attached with a protective film by an end user, so that the service life is prolonged, and the use cost of the user is further saved.
In some exemplary embodiments, the side of second glass layer 205 facing first glass layer 201 is screen printed with ink.
In some exemplary embodiments, heating layer 202 includes a linear heating wire.
In some exemplary embodiments, the linear heating wires of heating layer 202 include silk-screened silver paste, sputtered ITO (Indium Tin Oxide), or sputtered MoAlMo (molybdenum aluminum molybdenum).
In some exemplary embodiments, the heating layer 202 is connected to an FPC (Flexible Printed Circuit) via an electrode.
In some exemplary embodiments, the FPC207 may be embedded inside the safety glass or externally connected to the safety glass.
In some exemplary embodiments, the heating wire may be caused to generate heat by energizing the heating wire.
In some exemplary embodiments, the temperature can be controlled by changing the voltage applied to the heating wire.
In some exemplary embodiments, the safety glass further includes an OCA layer 206.
In some exemplary embodiments, the OCA layer 206 is provided on the upper surface of the insulating layer 203.
In some exemplary embodiments, the OCA (Optical Clear Adhesive, solid Optical Adhesive) is a special double-sided Adhesive without substrate and Optical transparency, and the OCA layer is provided because safety glass needs to be adhered to the surface of the photosensitive device, which is based on the advantages of OCA, such as high clarity, high light transmittance (total light transmittance > 99%), high adhesion, high weather resistance, water resistance, high temperature resistance, ultraviolet resistance, and controlled thickness, providing uniform spacing, and not generating yellowing (yellowing), peeling and deterioration after long-term use.
In some exemplary embodiments, a viewing zone 208 is provided at the same location of the insulating layer 203, the second glass layer 205, and the OCA layer 206.
In some exemplary embodiments, when the heating layer 202 is provided with a linear heating wire, no heating wire is provided in the corresponding region of the heating layer 202 in the viewing zone 208. That is, the heating wire is laid out so as to bypass the region corresponding to the heating layer 202 in the above-mentioned vision region 208.
In some exemplary embodiments, the heating wire is straight or curved in a corresponding region of the heating layer 202 around the optic zone 208.
In some exemplary embodiments, insulating layer 203 includes a layer of insulating oil disposed, and insulating layer 203 is disposed to add a layer of safety protection to the surface of heating layer 202.
In some exemplary embodiments, as required, in combination with the first embodiment, heating layers 202/102 may be simultaneously disposed on both upper and lower sides of the first glass layer 201/101; and according to the adjustment of the heating layer, an insulating layer is synchronously added.
Example 3
Embodiment 3 is a display device including the safety glass of the above embodiment.
In some exemplary embodiments, the display device using the safety glass can bring better perspective and improve the use effect in a freezing environment.
Example 4
Fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 3, the electronic device includes, on a hardware level, a processor, and optionally an internal bus, a network interface, and a memory. The Memory may include a Memory, such as a Random-Access Memory (RAM), and may further include a non-volatile Memory, such as at least 1 disk Memory. Of course, the electronic device may also include hardware required for other services.
The processor, the network interface, and the memory may be connected to each other via an internal bus, which may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one double-headed arrow is shown in FIG. 3, but this does not indicate only one bus or one type of bus.
And the memory is used for storing programs. In particular, the program may include program code including computer operating instructions.
In some exemplary embodiments, the electronic device includes the safety glass described above.
In some exemplary embodiments, a display device is mounted on an electronic device, and the display device employs the safety glass of the embodiments of the present invention.
Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments described above. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (12)

1. A safety glass, comprising: the glass comprises a first glass layer, a heating layer, an insulating layer, a PVB layer and a second glass layer; a heating layer is distributed on the upper surface of the first glass layer; an insulating layer is arranged on the upper surface of the heating layer; the PVB layer is arranged on the upper surface of the insulating layer, and the second glass layer is arranged on the upper surface of the PVB layer; or, the PVB layer is arranged on the lower surface of the first glass layer, and the second glass layer is arranged on the lower surface of the PVB layer.
2. The safety glass according to claim 1, wherein when the PVB layer is disposed on the upper surface of the insulating layer, the lower surface of the first glass layer is AR-coated;
when the PVB layer is arranged on the lower surface of the first glass layer, the upper surface of the first glass layer is subjected to AR coating treatment.
3. The safety glass according to claim 1, wherein the side of the second glass layer opposite to the first glass layer is subjected to AR coating treatment and AF coating treatment.
4. The safety glass according to claim 1, wherein the side of the second glass layer facing the first glass layer is screen printed with ink.
5. The safety glass according to claim 1, wherein the heating layer comprises a heating wire comprising silk-screened silver paste, sputtered ITO, or sputtered MoAlMo.
6. The safety glass according to claim 5, wherein the heating layer is connected to an FPC via an electrode.
7. The safety glass according to claim 6, wherein the FPC comprises a conductive layer embedded in the safety glass or externally connected to the safety glass.
8. The safety glass according to claim 5, further comprising an OCA layer;
when the PVB layer is arranged on the upper surface of the insulating layer, the OCA layer is arranged on the lower surface of the first glass layer;
when the PVB layer is arranged on the lower surface of the first glass layer, the OCA layer is arranged on the upper surface of the insulating layer.
9. The safety glass according to claim 8, wherein a viewing zone is provided at the same position of the insulating layer, the second glass layer and the OCA layer.
10. The safety glass according to claim 9, wherein the heating wire is arranged in a zone in the viewing zone corresponding to the heating layer.
11. A display device comprising the safety glass according to any one of claims 1 to 10.
12. An electronic device characterized by comprising the safety glass of any one of claims 1 to 10 or the display device of claim 11.
CN202110859075.5A 2021-07-28 2021-07-28 Safety glass, display device and electronic equipment Pending CN113766686A (en)

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Application Number Priority Date Filing Date Title
CN202110859075.5A CN113766686A (en) 2021-07-28 2021-07-28 Safety glass, display device and electronic equipment

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Application Number Priority Date Filing Date Title
CN202110859075.5A CN113766686A (en) 2021-07-28 2021-07-28 Safety glass, display device and electronic equipment

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Publication Number Publication Date
CN113766686A true CN113766686A (en) 2021-12-07

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Citations (7)

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CN108928066A (en) * 2018-06-29 2018-12-04 信利光电股份有限公司 A kind of 3D glass and preparation method thereof
CN109693519A (en) * 2018-09-30 2019-04-30 江苏三乔智能科技有限公司 A kind of automotive rear windshields structure covering heater wire

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Publication number Priority date Publication date Assignee Title
CN201639919U (en) * 2010-03-03 2010-11-17 秦皇岛波盾电子有限公司 Electromagnetic shielding glass of electric heating antireflection sandwich net coating film
CN203399325U (en) * 2013-07-12 2014-01-15 梁中奎 High-strength frost-free and mist-free automobile windshield
CN203543251U (en) * 2013-09-17 2014-04-16 福建恒成玻璃有限公司 Safety interlayer glass
WO2015158461A1 (en) * 2014-04-17 2015-10-22 Saint-Gobain Glass France Transparent panel with heatable coating
CN107368225A (en) * 2017-09-15 2017-11-21 信利光电股份有限公司 A kind of screen cover plate and touch-screen
CN108928066A (en) * 2018-06-29 2018-12-04 信利光电股份有限公司 A kind of 3D glass and preparation method thereof
CN109693519A (en) * 2018-09-30 2019-04-30 江苏三乔智能科技有限公司 A kind of automotive rear windshields structure covering heater wire

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